CN113908971B - Seed screening equipment for pumpkin breeding - Google Patents
Seed screening equipment for pumpkin breeding Download PDFInfo
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- CN113908971B CN113908971B CN202111127059.3A CN202111127059A CN113908971B CN 113908971 B CN113908971 B CN 113908971B CN 202111127059 A CN202111127059 A CN 202111127059A CN 113908971 B CN113908971 B CN 113908971B
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- 238000012216 screening Methods 0.000 title claims abstract description 104
- 235000000832 Ayote Nutrition 0.000 title claims abstract description 14
- 235000009854 Cucurbita moschata Nutrition 0.000 title claims abstract description 14
- 240000001980 Cucurbita pepo Species 0.000 title claims abstract description 14
- 235000009804 Cucurbita pepo subsp pepo Nutrition 0.000 title claims abstract description 14
- 235000015136 pumpkin Nutrition 0.000 title claims abstract description 14
- 238000009395 breeding Methods 0.000 title claims abstract description 13
- 230000001488 breeding effect Effects 0.000 title claims abstract description 13
- 241000408747 Lepomis gibbosus Species 0.000 claims abstract description 96
- 235000020236 pumpkin seed Nutrition 0.000 claims abstract description 96
- 238000004140 cleaning Methods 0.000 claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 239000000428 dust Substances 0.000 claims abstract description 27
- 238000007664 blowing Methods 0.000 claims abstract description 16
- 238000000926 separation method Methods 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 28
- 238000001035 drying Methods 0.000 claims description 22
- 238000005192 partition Methods 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000009423 ventilation Methods 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 description 10
- 239000002699 waste material Substances 0.000 description 9
- 230000036544 posture Effects 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000219122 Cucurbita Species 0.000 description 1
- 241000219104 Cucurbitaceae Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007599 discharging Methods 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
- 239000007789 gas Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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
-
- 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
Landscapes
- 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 one side of the front screening mechanism is provided with a grading screening mechanism, the grading screening mechanism comprises a sorting groove, the bottom of the sorting groove is provided with an adjusting piece for adjusting the posture of the sorted seeds, a receiving plate is arranged below the adjusting piece, a wind force screening pipe is arranged between the receiving plate and the adjusting piece, and the blowing direction of the wind force screening pipe is vertical to the falling direction of the seeds; one side of the grading screening mechanism is provided with a dust removing and cleaning mechanism for cleaning graded seeds; according to the invention, the pumpkin seeds after sorting are collected by arranging the receiving groove, the pumpkin seeds enter the narrow slits through the guide of the receiving groove, the posture of the pumpkin seeds is adjusted, and then the pumpkin seeds are vertically blown in the falling direction of the seeds through the wind power screening pipe, and as the pumpkin seeds fall in the vertical posture, the wind power effect is relatively uniform, so that the screening accuracy is higher.
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, cucurbita, annual vines, and is widely planted in various places. The pumpkin seeds are generally flat elliptic, have slightly pointed ends, have a yellow-white appearance, have slightly prismatic edges, are about 1.2-2 cm long and about 0.7-1.2 cm wide. Because pumpkin seeds are different in quality, people are required to screen out useful pumpkin seeds by themselves when pumpkin breeding is carried out.
Because the mature and full high-quality seeds have larger overall density and higher quality compared with the hollow low-quality seeds, the existing pumpkin seed screening mode usually enables the seeds to be screened to fall freely, and then the low-quality seeds, dust impurities and the like are separated from the high-quality seeds by utilizing a lateral blowing mode, but the screening mode has larger difference in windward area due to inconsistent orientation postures of the seeds when falling, and is easy to cause the conditions that the high-quality seeds are blown out due to overlarge stress of the windward surface or the low stress of the low-quality seeds is reserved due to small windward stress of the low-quality seeds, so that the screening accuracy is not high; meanwhile, the existing pumpkin seed screening method also has the problems that impurity dust generated during screening naturally flies to cause a certain effect on the environment and the content of the screened seed dust is higher.
Disclosure of Invention
The invention aims to provide seed screening equipment for pumpkin breeding, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a seed screening equipment for pumpkin breeding, includes leading screening mechanism, leading screening mechanism includes the 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 closure 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 is with the output fixed connection that external negative pressure was taken out and is set up.
The middle part of the inner wall of the screening box is rotationally provided with two material turning pieces, each material turning piece comprises a central vent pipe, the middle part of each central vent pipe is provided with a plurality of air outlets, the outer wall of each central vent pipe is sleeved with an outer sleeve, each central vent pipe is fixedly connected with the outer sleeve through a plurality of limiting posts, the outer wall of each outer sleeve is provided with a plurality of air blowing holes, a gap part between the plurality of air blowing holes is fixedly connected with a material turning rod, the end parts of each material turning rod are fixedly connected with spherical rubber pads, the inner wall of the screening box is embedded with two material turning motors, the output ends of the two material turning motors are respectively fixedly connected with one ends of the two central vent pipes, the other ends of the two central vent pipes are rotationally connected with air inlet pipes, and one ends of the two air inlet pipes are communicated with the output ends of an external air pump; the vibrating screen is fixedly connected with the bottom of the inner wall of the screening box and is obliquely arranged.
One side of the front screening mechanism is provided with a grading screening mechanism, the grading screening mechanism comprises a sorting groove which is obliquely arranged, and the higher end of the sorting groove is correspondingly arranged with the lower end of the vibrating screen; the inner wall of the separation groove is fixedly connected with a plurality of separation plates, one sides of the separation plates with higher heights are arc-shaped surfaces, one sides of the separation plates with lower heights are inclined surfaces, the separation plates are different in size, and the cross sections of the separation plates with higher positions are smaller; the inner cavity of the separation groove is divided into a plurality of partitions by a plurality of partition plates, a plurality of separation openings are formed in the bottoms of the partitions, and the inner diameter of the separation opening in the partition with the higher height is smaller;
the bottom of the sorting tank is provided with an adjusting piece for adjusting the gesture of the sorted seeds, the adjusting piece comprises a receiving plate, the top of the receiving plate is provided with a receiving tank, the inner cavity of the receiving tank is divided into a plurality of receiving areas by a plurality of receiving plates, and the plurality of receiving areas are respectively and correspondingly arranged with 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, the inside of the narrow slit is provided with strip-shaped sheets, and the bottoms of the strip-shaped sheets are respectively and fixedly connected with the bottoms of the material receiving plates;
a bearing plate is arranged below the adjusting piece, a wind force screening pipe is arranged between the bearing plate and the adjusting piece, and the blowing direction of the wind force screening pipe is vertical to the falling direction of seeds; an air outlet is formed in one side, close to the receiving plate, of the separation screening pipe, the wind screening pipe is horizontally arranged, and air is fed through a port, close to the lower end of the separation groove, of the wind screening pipe; a waste plate is fixedly connected to one side, far away from the wind power screening pipe, of the receiving plate;
the classifying screen mechanism is arranged in the protective cover plate, one side of the protective cover plate is fixedly connected with the screening box, a waste port is formed in one end of the protective cover plate, and one end of the waste plate is fixedly connected with the waste port.
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, an 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 pushing plates in a sliding manner, any two adjacent pushing plates 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 pushing plates positioned on the side edges are fixedly connected with a pushing frame, and the pushing frame is fixedly connected with the output end of the pushing cylinder; the tops of the pushing plates are respectively arranged in a step shape; the cleaning device is characterized in that one side of the cleaning top is connected with a net rack in a clamping mode, the bottom of the net rack is fixedly connected with a net, and the bottom of the net rack is fixedly connected with a balancing weight;
one end of each of the plurality of cleaning grooves is connected with a lifting plate in a sliding manner; the top parts of the lifting plates are obliquely arranged, the top surfaces of the lifting plates and one side of the lifting plates are provided with water permeable openings, and the inner walls of the water permeable openings are fixedly connected with a water permeable net; the bottoms of the lifting plates are fixedly connected with pushing plates, and lifting cylinders are fixedly arranged at the bottoms of the pushing plates.
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 board, the top of the draining board 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 board 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 aligned 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 invention, the separated pumpkin seeds are collected through the material receiving groove, the pumpkin seeds are guided into the narrow slits, the posture of the pumpkin seeds is regulated, and then the pumpkin seeds are vertically blown along the falling direction of the seeds through the wind power screening pipe, and as the pumpkin seeds fall in the vertical posture, the wind power action is relatively uniform, so that the screening accuracy is higher;
the sorting groove is divided into a plurality of different partitions, sorting openings with different sizes are formed in the different partitions, pumpkin seeds are screened step by step according to the sizes, and the separation plates in the sorting groove are set to be different in size, so that echelon blocking of the pumpkin seeds with different sizes is realized, the pumpkin seeds are reserved in the partitions matched with the pumpkin seeds in size, and screening efficiency is improved;
the overturning motor drives the overturning piece to integrally rotate so as to overturn the pumpkin seeds, so that 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 overturning operation of the pumpkin seeds, so that the pumpkin seeds are rubbed with each other, and dust attached to the surfaces of the pumpkin seeds is easier to remove; the central vent pipe is arranged to blow air into the outer sleeve, and the air blowing port is arranged on the outer sleeve, so that dust impurities mixed in pumpkin seeds are blown and guided to the direction of the air suction pipe, and the dust removal efficiency is improved;
utilize the buoyancy of clean pond interior water to carry out further screening to the pumpkin seed, promote through pushing away material cylinder and push away work or material rest and a plurality of pushing away flitch reciprocating motion, concentrate the push of pumpkin seed to lifting board place direction, 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 a pre-screening mechanism of the present invention;
FIG. 3 is a cross-sectional view of a hierarchical screening mechanism of the present invention;
FIG. 4 is a second cross-sectional view of the hierarchical screening 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 cross-sectional view of the drying mechanism of the present invention.
In the figure: 1. a screening box; 2. a closing plate; 3. an air suction pipe; 4. a central vent pipe; 5. an outer sleeve; 6. a blow hole; 7. a turning rod; 8. a vibrating screen; 9. a sorting tank; 10. a partition plate; 11. a sorting port; 12. a receiving plate; 13. an adjusting plate; 14. a receiving plate; 15. a wind force screening pipe; 16. a protective cover plate; 17. a waste port; 18. a cleaning pool; 19. a pushing plate; 20. a pushing frame; 21. a pushing cylinder; 22. a net rack; 23. a lifting plate; 24. lifting a cylinder; 25. a drying box; 26. a draining plate; 27. a grid box; 28. an air heater; 29. an upper cover plate; 30. screening a discharge hole; 32. a water draining port; 33. a water permeable port; 35. an air outlet; 36. and a limit column.
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.
Referring to fig. 1-6, in an embodiment of the invention, a seed screening device for pumpkin breeding includes a pre-screening mechanism, the pre-screening mechanism includes a screening box 1, a feed inlet is provided at the top of the screening box 1, two sides of the inner wall of the feed inlet are all connected with a sealing plate 2 through torsion springs in a rotating manner, tops of the screening two sides are all fixedly connected with air suction pipes 3, one ends of the two air suction pipes 3 are fixedly connected with an output end of an external dust collection device, and impurities such as dust of flue gas in the feeding and screening processes of pumpkin seeds are sucked and discharged through the air suction pipes 3, and ports of the two air suction pipes 3 in the screening box 1 are all arranged obliquely downwards so as to reduce probability that the pumpkin seeds fall into the air suction pipes 3.
The middle part of the inner wall of the screening box 1 is rotationally provided with two material turning pieces, each material turning piece comprises a central vent pipe 4, a plurality of air 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 limit posts 36, a plurality of air blowing holes 6 are formed in the outer wall of the outer sleeve 5, gap parts among the plurality of air blowing holes 6 are fixedly connected with material turning rods 7, the end parts of the plurality of material turning rods 7 are fixedly connected with spherical rubber pads, 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 rotationally connected with air inlet pipes, and one ends of the two air inlet pipes are communicated with the output ends of an external air pump; the bottom of the inner wall of the screening box 1 is fixedly connected with a vibrating screen 8 which is obliquely arranged; the rotation directions of the two overturning motors are opposite, the condition that the rotation of the two overturning motors can drive pumpkin seeds to move upwards is met, the overturning piece is driven to integrally rotate by the overturning motors, the pumpkin seeds are overturned, the jam and the siltation of the pumpkin seeds are avoided, the screening operation of the vibrating screen 8 is facilitated, meanwhile, the pumpkin seeds are driven to move by the overturning operation of the pumpkin seeds, so that the pumpkin seeds are rubbed with each other, and dust attached to the surfaces of the pumpkin seeds is removed more easily; through setting up the mode that the air-vent pipe 4 lets in the air to outer sleeve pipe 5 to offer the gas blowing mouth on outer sleeve pipe 5, blow the guide to the direction that the breathing pipe is located with the dust impurity that mixes in the pumpkin seed, improve the removal efficiency of dust.
One side of the front screening mechanism is provided with a grading screening mechanism, the grading screening mechanism comprises a sorting groove 9 which is obliquely arranged, and the higher end of the sorting groove 9 is correspondingly arranged with the lower end of the vibrating screen 8; the inner wall of the separation groove 9 is fixedly connected with a plurality of separation plates 10, one side of the top surface of the plurality of separation plates 10, which is higher, is provided with an arc surface, one side of the top surface of the plurality of separation plates 10, which is lower, is provided with an inclined surface, the sizes of the plurality of separation plates 10 are different, and the section area of the separation plate 10, which is higher, is smaller; the inner cavity of the separation groove 9 is divided into a plurality of partitions by a plurality of partition plates 10, a plurality of separation openings 11 are formed in the bottoms of the partitions, and the inner diameter of each partition opening 11 in the partition with higher height is smaller; through dividing the sorting groove 9 into a plurality of different subareas to set up the sorting mouth 11 of equidimension in different subareas, carry out gradual screening to the pumpkin seed according to the size, the baffle 10 that the cross-sectional area is less is weaker to the barrier of the pumpkin seed of great volume, with this echelon that realizes the pumpkin seed of equidimension not blocking, makes the pumpkin seed stay in with self size assorted subarea, improves screening efficiency.
The bottom of the sorting tank 9 is provided with an adjusting piece for adjusting the gesture of the sorted seeds, the adjusting piece comprises a receiving plate 12, a receiving tank is arranged at the top of the receiving plate 12, the inner cavity of the receiving tank is divided into a plurality of receiving areas by a plurality of receiving plates 12, and the plurality of receiving areas are respectively and correspondingly arranged with the bottoms of the plurality of subareas; the bottom of the 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, the inside of the narrow slit is provided with strip-shaped sheets, and the bottoms of the strip-shaped sheets are fixedly connected with the bottoms of the receiving plates 12 respectively; the pumpkin seeds after sorting are collected through the arrangement of the receiving groove, and enter the narrow slits through the guide of the receiving groove, and as the pumpkin seeds are flat, the thickness of the pumpkin seeds is far smaller than the length and the width of the pumpkin seeds, so that the pumpkin seeds can pass through the narrow slits in a vertical posture, the posture of the pumpkin seeds is adjusted, a receiving plate 14 is arranged below the adjusting piece, a wind force screening pipe 15 is arranged between the receiving plate 14 and the adjusting piece, and the blowing direction of the wind force 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 sieve divides the pipe to be close to receiving flitch 12, and the pumpkin seed that drops is bloied through wind-force sieve divides pipe 15, and the impurity dust that will be in the pumpkin seed carries out further clear away, because the pumpkin seed all falls with vertical gesture, the wind-force effect that receives is relatively even, and the accuracy of screening is higher.
The wind power screening pipe 15 is horizontally arranged, and the port of the wind power screening pipe, which is close to the lower end of the height of the sorting tank 9, is used for air intake; a waste plate is fixedly connected to one side of the receiving plate 14 away from the wind power screening pipe 15;
the classifying screen mechanism is arranged in the protective cover plate 16, one side of the protective cover plate 16 is fixedly connected with the screening box 1, a waste port 17 is formed in one end of the protective cover plate 16, and one end of the waste plate is fixedly connected with the waste port 17.
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 pushing plates 19 in a sliding manner, any two adjacent pushing plates 19 are all fixedly connected through a short shaft, through grooves for the short shaft to move are formed in the middle parts of the cleaning plates, a sliding cavity is formed in the middle part of the inner wall of the through groove, a sealing plate is fixedly connected in the middle part of the short shaft, and the sealing plate is connected in the sliding cavity in a sliding manner; two pushing plates 19 positioned on the side edges are fixedly connected with a pushing frame 20, and the pushing frame 20 is fixedly connected with the output end of a pushing cylinder 21; the tops of the pushing plates 19 are arranged in a step shape; the pumpkin seeds are further screened by utilizing the buoyancy of the water in the cleaning pool 18, the pushing frame 20 and the pushing plates 19 are pushed to reciprocate by the pushing cylinder 21, the pumpkin seeds are pushed and concentrated in the direction of the lifting plates 23, and the pumpkin seeds in the cleaning pool 18 are discharged conveniently; the pumpkin seeds can be stirred through the reciprocating motion of the plurality of pushing plates 19, so that the cleaning effect of the pumpkin seeds is improved; one side of the cleaning top is connected with a net rack 22 in a clamping way, the bottom of the net rack 22 is fixedly connected with a net, and the bottom of the net rack is fixedly connected with a balancing weight; because the poor pumpkin seeds generally have lower quality and are easy to float on the water surface, the pumpkin seeds floating on the water surface are blocked by arranging a bailing net, and are screened and removed.
One end of each of the plurality of cleaning grooves is connected with a lifting plate 23 in a sliding manner; the tops of the lifting plates 23 are obliquely arranged, the lower 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 on one side of the lifting plates 23, and the inner walls of the water permeable openings 33 are fixedly connected with a water permeable net; the bottoms of the lifting plates 23 are fixedly connected with pushing plates, and lifting cylinders 24 are fixedly arranged at the bottoms of the pushing plates; the lifting air 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 utilizing the inclined plane at the top of the lifting plate 23, so that the pumpkin seeds fall into the drying box 25 under the action of gravity, and 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 and a Gao Xiang box, one side of the drying box facing the cleaning pool 18 is provided with a plurality of material receiving openings, the material receiving openings are respectively aligned with one sides of a plurality of lifting plates 23, and when the lifting plates 23 are subjected to the action of a lifting cylinder 24 and are subjected to the review to the highest position, the top surface of each lifting plate 23 is higher than the bottom of the inner wall of each material receiving opening so as to ensure the stable bearing of the pumpkin seeds by the material receiving openings;
one side of the inner wall of the drying box 25 is fixedly connected with a draining board 26, the top of the draining board 26 is inclined and provided with a draining port 32, the inner wall of the draining port 32 is fixedly connected with a draining separation net, a plurality of partition boards are correspondingly arranged above the draining board 26 to prevent pumpkin seeds on the draining board 26 from being mixed with each other, one side of the draining board 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 of one side of a plurality of screening discharge gate 30, one side of a plurality of screening discharge gate 30 is aligned 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 blocking and silting of the pumpkin seeds, the above-mentioned sorting groove 9, receiving plate 12, receiving groove, draining plate, 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 in from a material receiving port, and after the pumpkin seeds are fed in, a sealing plate 2 seals the material feeding port under the action of a torsion spring, so that the pumpkin seeds or dust, sundries and the like are prevented from being sprayed out from the material feeding port in the screening process; then the vibrating screen 8 starts to work to screen out dust impurities and the like mixed with small volumes in the pumpkin seeds; meanwhile, the overturning motor is started to drive the overturning piece to integrally rotate, and the pumpkin seeds are overturned by utilizing the rotation of the overturning rod 7; the external air pump is used for introducing air into the outer sleeve 5 through the air inlet pipe to the central air pipe 4, then blowing out the air through the air blowing port formed in the outer sleeve 5, blowing and guiding dust impurities mixed in pumpkin seeds to the direction of the air suction pipe, starting external dust collection equipment, and sucking and discharging the dust impurities floating in the screening box 1 through air suction of the air suction pipe;
the pumpkin seeds subjected to screening are sent into the sorting groove 9 through vibration of the vibration screen 8, the pumpkin seeds fall along the sorting groove 9, in the falling process, the smaller pumpkin seeds firstly fall into the smaller sorting groove 9, then the pumpkin seeds gradually fall into different subareas, the generation pins of the sorting groove 9 in the subareas are gradually increased until all the pumpkin seeds fall from the sorting groove 9, the fallen pumpkin seeds enter the receiving groove, fall into the narrow slit through the guide of the receiving groove in a vertical posture, then pass through the narrow slit and fall to the receiving plate 14, and the fallen pumpkin seeds are blown through the wind power screening pipe 15, so that impurity dust in the pumpkin seeds is further removed;
the bearing plate 14 bears the pumpkin seeds falling in a plurality of subareas through a plurality of bearing cavities which are internally separated, 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 pushing cylinder 21 starts to push the pushing frame 20 and the pushing plates 19 to reciprocate, the pumpkin seeds are pushed and concentrated in the direction where the lifting plates 23 are located, the pumpkin seeds floating on the water surface are blocked by the fishing net, when the pumpkin seeds are pushed to the positions where the lifting plates 23 are located, the lifting cylinder 24 starts to drive the lifting plates 23 to reciprocate, the pumpkin seeds at the bottom of the cleaning groove are lifted out of the water surface by utilizing the inclined plane at the top of the lifting plates 23, the pumpkin seeds fall into the drying box 25 under the action of gravity, redundant water on the pumpkin seeds is drained through the draining plate 26, the pumpkin seeds fall into the grid box 27, the pumpkin seeds are dried by the hot air output by the hot air blower 28 and the irradiation of the drying lamp, and the dried pumpkin seeds are sent out by the screening discharge port.
The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.
Claims (5)
1. The seed screening device for pumpkin breeding is characterized by comprising a front screening mechanism, wherein one side of the front screening mechanism is provided with a grading screening mechanism;
the front screening mechanism comprises a screening box (1), and air suction pipes (3) are fixedly connected to two sides of the screening box (1); two material turning pieces are rotatably arranged in the middle of the inner wall of the screening box (1), and a vibrating screen (8) is fixedly connected to the bottom of the inner wall of the screening box (1);
the grading screening mechanism comprises a sorting groove (9), wherein the higher end of the height of the sorting groove (9) is correspondingly arranged with the lower end of the height of the vibrating screen (8), the bottom of the sorting groove (9) is provided with an adjusting piece for adjusting the posture of the sorted seeds, the lower part of the adjusting piece is provided with a bearing plate (14), a wind force screening pipe (15) is arranged between the bearing plate (14) and the adjusting piece, and the blowing direction of the wind force screening pipe (15) is vertical to the falling direction of the seeds; one side of the grading screening mechanism is provided with a dust removing and cleaning mechanism for cleaning graded seeds;
the separation tank (9) is obliquely arranged, a plurality of separation plates (10) are fixedly connected to the inner wall of the separation tank (9), the separation plates (10) divide the inner cavity of the separation tank (9) into a plurality of partitions, a plurality of separation openings (11) are formed in the bottoms of the partitions, and the inner diameter of each partition with higher height is smaller than that of each separation opening (11) in the partition;
the adjusting piece comprises a receiving plate (12), a receiving groove is formed in the top of the receiving plate (12), the 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 and correspondingly arranged at the bottoms of the plurality of areas; the bottom of the receiving plate (12) is fixedly connected with an adjusting plate (13), a triangular groove is formed in the top of the adjusting plate (13), and a narrow slit is formed in the middle of the adjusting plate (13);
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 through a plurality of cleaning plates, a carrying plate (14) carries pumpkin seeds falling in a plurality of subareas through a plurality of carrying cavities of internal separation and correspondingly carries the pumpkin seeds into the plurality of cleaning grooves, the bottoms of the plurality of cleaning grooves are all connected with a pushing plate (19) in a sliding manner, any two adjacent pushing plates (19) are all fixedly connected through a short shaft, two pushing plates (19) located on the side edges are all fixedly connected with a pushing frame (20), the pushing frame (20) is fixedly connected with the output end of a pushing cylinder (21), and a plurality of lifting plates (23) are slidably connected to one ends of the cleaning grooves.
2. The seed screening apparatus for pumpkin breeding according to claim 1, wherein one side of the top surfaces of the plurality of partition plates (10) is provided with an arc 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) positioned higher is smaller.
3. The seed screening device for pumpkin breeding according to claim 1, wherein the tops of the lifting plates (23) are obliquely arranged, water permeable openings (33) are formed in the top surface of the lifting plate (23) and on one side of the lifting plate (23), and a water permeable net is fixedly connected to the inner wall of each water permeable opening (33); the bottoms of the lifting plates (23) are fixedly connected with pushing plates, and lifting cylinders (24) are fixedly arranged at the bottoms of the pushing plates.
4. The seed screening device for pumpkin breeding according to claim 1, wherein one end of the cleaning tank (18) is fixedly connected with a drying mechanism, the drying mechanism comprises a drying box (25), one side of the inner wall of the drying box (25) is fixedly connected with a draining plate (26), 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).
5. The seed screening device for pumpkin breeding according to claim 1, wherein the material turning piece comprises a central ventilation pipe (4), a plurality of air outlets are formed in the middle of the central ventilation pipe (4), an outer sleeve (5) is sleeved on the outer wall of the central ventilation pipe (4), a plurality of air blowing holes (6) are formed in the outer wall of the outer sleeve (5), material turning rods (7) are fixedly connected to gap portions among the plurality of air blowing holes (6), a material turning motor is fixedly connected to one end of the central ventilation pipe (4), and the other end of the central ventilation pipe (4) is communicated with an output end of an external air pump through an air 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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| CN114669478B (en) * | 2022-04-02 | 2023-09-19 | 河南科技大学 | Wind screen roller combined 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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