CN116569741B - Double-roller rice threshing device - Google Patents
Double-roller rice threshing device Download PDFInfo
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- CN116569741B CN116569741B CN202310864318.3A CN202310864318A CN116569741B CN 116569741 B CN116569741 B CN 116569741B CN 202310864318 A CN202310864318 A CN 202310864318A CN 116569741 B CN116569741 B CN 116569741B
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- fixedly connected
- threshing
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- screen
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F7/00—Threshing apparatus
- A01F7/02—Threshing apparatus with rotating tools
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/44—Grain cleaners; Grain separators
- A01F12/446—Sieving means
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
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- Environmental Sciences (AREA)
- Threshing Machine Elements (AREA)
Abstract
The invention belongs to the technical field of agricultural equipment, in particular to a double-roller rice threshing device which comprises a threshing machine; the threshing machine is rotationally connected with a pair of hollow threshing rollers, the inner wall of each threshing roller is fixedly connected with a magnetic block, one side of the threshing machine is provided with a pair of motors for driving the threshing rollers, and the inner wall of the threshing machine is rotationally connected with a rotating shaft; through threshing the stalk that has rice grain with the help of threshing roller, the grain that is threshed this moment and some stalk broken stalk impurity can fall on first screen cloth, and the first screen cloth of shake can shake the screening with the grain this moment for the impurity that is bigger than the grain is stayed on the screen cloth, thereby reaches the effect of sieving grain and impurity, conveniently carries out subsequent processing to the grain, and the condition that the mesh was blockked up can be reduced to first screen cloth of shake simultaneously.
Description
Technical Field
The invention belongs to the technical field of agricultural equipment, and particularly relates to a double-roller rice threshing device.
Background
After harvesting, the rice needs to be separated from the stalks by using a rice threshing device, and the rice threshing device can finish threshing by adopting a threshing roller with double rollers, so that the threshing efficiency of the double rollers is obviously improved compared with that of a single roller.
One patent of Chinese patent application number CN201922174967.2 discloses an automatic threshing device for rice, and the technical scheme is as follows: the conveying device is characterized by comprising a frame, a travelling wheel is arranged at the bottom of the frame, the upper end of the frame is fixedly connected with a support plate, a first conveying device is arranged on the frame on one side of the support plate, and a second conveying device is arranged on the frame on one side of the support plate away from the first conveying device.
With respect to the above and related art, there are the following drawbacks: when the rice grains and the stalks are separated, threshing is firstly carried out by utilizing the threshing cylinder, then the grains and the stalks are screened by utilizing the screen, and then the separated stalks are thoroughly crushed by utilizing the crushing device, but the rice grains are easy to remain above the stalks along with the accumulation of the stalks on the screen, and then the rice grains are crushed together with the rice grains when the rice grains are crushed by the crushing device, and meanwhile, the rice grains are easy to be blocked by the accumulation of the rice grains on the screen, so that the screening effect of the rice grains is poor.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a double-roller rice threshing device, which comprises a threshing machine; the threshing machine is rotationally connected with a pair of hollow threshing rollers, the inner wall of each threshing roller is fixedly connected with a magnetic block, one side of the threshing machine is provided with a pair of motors for driving the threshing rollers, the inner wall of each threshing machine is rotationally connected with a rotating shaft, one end of the rotating shaft, which is far away from the inner wall of the threshing machine, is fixedly connected with a first connecting frame, the inner wall of the first connecting frame is fixedly connected with a first screen, the bottom surface of one side, which is far away from the rotating shaft, of the first connecting frame is fixedly connected with a group of springs, the bottom end of each spring is fixedly connected with a connecting plate, one side, which is far away from the rotating shaft, of each connecting plate is fixedly connected with a pair of magnetic strips which repel the magnetic blocks, and the threshing machine is provided with a discharging mechanism; through rotating with the help of motor drive threshing roller, the magnetic path can repel with the magnetic stripe intermittent type this moment, thereby make first connecting frame shake with the help of magnetic stripe and spring, and then make first screen cloth shake, then the workman puts the stem stalk that has rice grain on the threshing roller, can thresh rice grain from the stem stalk this moment with the help of threshing roller, the grain that is threshed this moment and some stem stalk garrulous pole impurity can fall on first screen cloth, the first screen cloth of shake can shake the screening with the grain this moment, make the impurity that is bigger than the grain stay on the screen cloth, thereby reach the effect of sieving grain and impurity, the convenience carries out subsequent processing to the grain, the condition that the mesh was blockked can be reduced to the first screen cloth of shake simultaneously, when the impurity that gathers on the first screen cloth is great, can be with the help of discharge mechanism with impurity discharge on the first screen cloth, then smash again, can let grain and impurity carry out the separation processing through above-mentioned mechanism, residual grain in the garrulous pole impurity of stem stalk can be reduced effectively, thereby the waste of reduction.
Preferably, the discharging mechanism comprises an electric telescopic rod, the electric telescopic rod is fixedly connected with the inner wall of one side, close to the connecting plate, of the thresher by virtue of a bracket, the output end of the electric telescopic rod is fixedly connected with a connecting wire, the other end of the connecting wire is fixedly connected with the bottom surface of a first connecting frame, one side, close to the electric telescopic rod, of the thresher is communicated with a discharging frame, the top surface of the discharging frame is provided with an opening, the top surface of the first connecting frame is provided with a pair of sliding grooves, the inner wall of each sliding groove is slidably connected with a sliding block, one side, close to each other, of each sliding block is fixedly connected with a scraping plate, and when the first connecting frame is in an initial state, the free end of the first connecting frame is inclined upwards by 7-10 degrees; when the impurity on the first connecting frame needs to be discharged, start the electric telescopic handle for the output pulling connecting wire of electric telescopic handle (connecting wire normal condition is in the state of loosening and can not influence first connecting frame and shake), the free end that the connecting wire can stimulate first connecting frame at this moment rotates downwards to be contacted with the ejection of compact frame, this moment first connecting frame can be in the state of downward sloping, the slider can slide down in the spout this moment, make the scraper blade scrape the impurity on the first screen frame into the ejection of compact frame, through can making the impurity on the first screen frame discharge better with the help of the scraper blade, after the impurity is discharged on the first screen frame, start the electric telescopic handle, make the output upward movement of electric telescopic handle, this moment connecting wire can become the state of loosening and collapsing, this moment the first connecting frame can reset with the help of the spring, make the free end of first connecting frame upwards slope, this moment the slider can slide in the spout and drive the scraper blade and reset, the effect that the scraper blade was reset has been played automatically.
Preferably, the inner wall of one side of the threshing machine, which is close to the rotating shaft, is rotationally connected with an arc-shaped limiting piece through a torsion spring, and one side of the inner wall of the threshing machine, which is close to the rotating shaft, is fixedly connected with a positioning piece for positioning the limiting piece; because the first connecting frame shakes, the slider slides at will in the spout easily, lead to the position of scraper blade to take place to remove easily, if the position of scraper blade moves the mid portion of first connecting frame, when discharging impurity, the impurity that the scraper blade scraped is limited, thereby influence the effect that the scraper blade scraped impurity on the first screen cloth, can carry out spacingly to the slider with the help of spacing piece through above-mentioned mechanism, prevent the random gliding condition of slider when carrying out shake of first screen cloth, when first connecting frame rotates downwards, the slider can keep away from spacing piece, spacing piece no longer contacts with the slider this moment, at this moment the slider can normally slide, after first connecting frame resets, the slider can promote the outer arc face of spacing piece, make spacing piece anticlockwise rotate, after the slider passes through spacing piece, spacing piece can reset under the effect of torsional spring and make spacing piece contact, thereby make spacing piece can carry out spacingly to the slider.
Preferably, the bottom surface of the first connecting frame is fixedly connected with a plurality of groups of elastic ropes, the other end of each elastic rope is fixedly connected with a second connecting frame, the inner wall of each second connecting frame is fixedly connected with a plurality of groups of fixing strips, the top surfaces of the fixing strips are fixedly connected with dredging cones, and the number and the positions of the dredging cones correspond to the net openings of the first screen; when the first connecting frame shakes, the second connecting frame can be driven to shake synchronously, at the moment, the dredging cone on the second connecting frame can be pricked into the mesh of the first screen under the action of self inertia in the process of upward movement, so that the effect of dredging the mesh of the first screen is achieved, meanwhile, the dredging cone can also push impurities on the first screen, so that the impurities can be turned, grains on the impurities can be screened on the first screen, and the screening effect on the grains is improved.
Preferably, the inner wall of the threshing machine is fixedly connected with a plurality of groups of positioning plates, the positioning plates are positioned below the second connecting frame, and the dredging cone is made of flexible materials; when first connecting frame carries out pivoted in-process, the second connecting frame can contact with the locating plate, after second connecting frame and the locating plate contact, when first connecting frame continued to rotate, the mediation awl can insert in the mesh of first screen cloth, the mediation awl can be with impurity top move this moment to be favorable to impurity to discharge from first screen cloth, because the mediation awl is on inserting the net gape lateral wall of first screen cloth in-process in the mesh of first screen cloth, thereby lead to first connecting frame unable rotation, can extrusion deformation after the mediation awl that flexible material made pricks on the net gape lateral wall at this moment, then prick again in the mesh, reduce the condition that the mediation awl takes place to interfere with first screen cloth.
Preferably, the bottom end of the inner wall of the threshing machine is fixedly connected with a second screen, one side of the threshing machine is provided with a discharge chute, the inner wall of the discharge chute is fixedly connected with a third screen, the mesh inner diameters of the second screen and the third screen are smaller than the grain, one side of the threshing machine far away from the discharge frame is fixedly connected with two groups of connecting sleeves, the connecting sleeves are connected with blowers (not shown in the figure), and the two groups of connecting sleeves are respectively positioned on the upper side and the lower side of the first connecting frame; through starting the hair-dryer that is located in the adapter sleeve of first linking frame below, the grain can be mingled with some broken straw that is less than grain diameter and falls into the second screen cloth together on this moment after first screen cloth sieves, this moment the second screen cloth can sieve less impurity, simultaneously under the effect that the hair-dryer was bloied, the in-process that the grain fell, impurity can be blown out by blown out groove department (because the screen mouth of second screen cloth and third screen cloth is less than the grain, so the grain can not be blown out), and the wind of blowing out can dry the grain, the hair-dryer that is located the adapter sleeve of first linking frame top can rotate at first linking frame and arrange impurity in the time of starting, be convenient for blow into the discharging frame with impurity on the first screen cloth.
Preferably, a group of heating wires (not shown in the figure) are arranged in the connecting sleeve at the bottom of the first connecting frame; through starting the heater strip for the air current temperature of jet in the adapter sleeve of first connecting frame bottom is higher, and the gas of intensification can dry the corn that drops on the first screen cloth this moment, thereby improves the effect of drying the corn.
Preferably, the inner wall bottom surface of the threshing machine is rotationally connected with an auger, the bottom surface of the threshing machine is provided with a motor for driving the auger, the inner wall bottom surface of the threshing machine is fixedly connected with a round sleeve sleeved on the auger, a gap between the round sleeve and the outer edge of the side wall of the auger is smaller than grains, the second screen is sleeved on the round sleeve, and a group of feeding grooves are formed in the position, above the second screen, of the round sleeve; through rotating with the help of motor drive auger, the grain of bottom can enter into the circle cover from the feed chute this moment on the second screen cloth, then last upward transport by the auger again, later the grain of bottom can fall in piled up grain top from the auger top, go out the fan and can evenly air-dry by piled up bottom grain this moment to improve the drying effect to the grain, simultaneously with the impurity that grain mixes also can be carried by the auger, then blow from the blown down tank by the hair-dryer and discharge, thereby improve the effect of blowing away impurity.
Preferably, the inner wall of the threshing machine is fixedly connected with a plurality of groups of connecting rods, the surfaces of the connecting rods are uniformly and fixedly connected with round balls, and the connecting rods are positioned above the first connecting frame; because the grain on the stalk is easy to be impacted and broken when being threshed by the threshing roller, the grain is easy to be remained on the impacted and broken stalk and enters the first screen, and the stalk on the first screen can be impacted with the ball when the first connecting frame shakes by means of the mechanism, so that the grain which is not threshed on the stalk is threshed again, and the threshing effect on the grain on the stalk is improved.
Preferably, the top surface of one of the connecting plates is fixedly connected with a pressure sensor, and the top surface of the pressure sensor is fixedly connected with a spring; when the impurity piles up too much on first screen cloth, first screen cloth can become heavy, and the pressure value that the spring applyed pressure sensor this moment can be increasingly big, and when the pressure value that pressure sensor sensed reached the numerical value of settlement, can start electric telescopic handle's output downwardly moving through the controller to make output pulling first connection frame rotate, then let the impurity on the first screen cloth discharge, later electric telescopic handle's output can carry out reset motion, realized carrying out the outletting effect to the impurity on the first screen cloth automatically through above-mentioned mechanism.
The beneficial effects of the invention are as follows:
1. through rotating with the help of motor drive threshing roller, the magnetic path can repel with the magnetic stripe intermittent type this moment, thereby make first connecting frame shake with the help of magnetic stripe and spring, and then make first screen cloth shake, then the workman puts the stem stalk that has rice grain on the threshing roller, can thresh rice grain from the stem stalk this moment with the help of threshing roller, the grain that is threshed this moment and some stem stalk garrulous pole impurity can fall on first screen cloth, the first screen cloth of shake can shake the screening with the grain this moment, make the impurity that is bigger than the grain stay on the screen cloth, thereby reach the effect of sieving grain and impurity, the convenience carries out subsequent processing to the grain, the condition that the mesh was blockked can be reduced to the first screen cloth of shake simultaneously, when the impurity that gathers on the first screen cloth is great, can be with the help of discharge mechanism with impurity discharge on the first screen cloth, then smash again, can let grain and impurity carry out the separation processing through above-mentioned mechanism, residual grain in the garrulous pole impurity of stem stalk can be reduced effectively, thereby the waste of reduction.
2. When the impurity on the first connecting frame needs to be discharged, start the electric telescopic handle for the output pulling connecting wire of electric telescopic handle (connecting wire normal condition is in the state of loosening and can not influence first connecting frame and shake), the free end that the connecting wire can stimulate first connecting frame at this moment rotates downwards to be contacted with the ejection of compact frame, this moment first connecting frame can be in the state of downward sloping, the slider can slide down in the spout this moment, make the scraper blade scrape the impurity on the first screen frame into the ejection of compact frame, through can making the impurity on the first screen frame discharge better with the help of the scraper blade, after the impurity is discharged on the first screen frame, start the electric telescopic handle, make the output upward movement of electric telescopic handle, this moment connecting wire can become the state of loosening and collapsing, this moment the first connecting frame can reset with the help of the spring, make the free end of first connecting frame upwards slope, this moment the slider can slide in the spout and drive the scraper blade and reset, the effect that the scraper blade was reset has been played automatically.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the threshing machine of the invention;
FIG. 3 is an enlarged view at A of FIG. 2;
FIG. 4 is a partial sectional view of the threshing machine of the invention;
FIG. 5 is an enlarged view of B of FIG. 4;
FIG. 6 is a schematic view of the structure of the first connection frame, the second connection frame and the electric telescopic rod according to the present invention;
fig. 7 is a schematic structural diagram of a second embodiment of the present invention.
In the figure: 1. a threshing machine; 2. threshing roller; 3. a magnetic block; 4. a connecting plate; 5. a spring; 6. a first connection frame; 7. a first screen; 8. an electric telescopic rod; 9. a connecting wire; 10. a discharging frame; 11. a chute; 12. a slide block; 13. a scraper; 14. a rotating shaft; 15. a positioning sheet; 16. a limiting piece; 17. a second connection frame; 18. an elastic rope; 19. dredging the cone; 20. a magnetic stripe; 21. a positioning plate; 22. a fixing strip; 23. a second screen; 24. connecting sleeves; 26. a discharge chute; 27. a third screen; 29. a round sleeve; 30. an auger; 31. a motor; 32. a ball; 33. a connecting rod; 34. a pressure sensor.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Embodiment one: as shown in fig. 1 to 6, a double-drum rice threshing device according to an embodiment of the invention comprises a threshing machine 1; the threshing machine is characterized in that a pair of hollow threshing rollers 2 are rotationally connected to the threshing machine 1, a magnetic block 3 is fixedly connected to the inner wall of the threshing rollers 2, a pair of motors for driving the threshing rollers 2 are arranged on one side of the threshing machine 1, a rotating shaft 14 is rotationally connected to the inner wall of the threshing machine 1, a first connecting frame 6 is fixedly connected to one end of the rotating shaft 14, which is far away from the inner wall of the threshing machine 1, a first screen 7 is fixedly connected to the inner wall of the first connecting frame 6, a group of springs 5 is fixedly connected to the bottom surface of one side, which is far away from the rotating shaft 14, of the first connecting frame 6, a connecting plate 4 is fixedly connected to the inner wall of the threshing machine 1, a pair of magnetic strips 20 which repel the magnetic block 3 are fixedly connected to the bottom surface of the first connecting frame 6, and a discharging mechanism is arranged on the threshing machine 1; through rotating with the help of motor drive threshing roller 2, the magnetic path 3 can repel with magnetic stripe 20 intermittently this moment, thereby make first connecting frame 6 shake with the help of magnetic stripe 20 and spring 5, and then make first screen cloth 7 shake, then the workman puts the stalk that has rice grain on threshing roller 2, can thresh rice grain from the stalk with the help of threshing roller 2 this moment, the garrulous pole impurity of grain and some stalks that are threshed can fall on first screen cloth 7 this moment, the first screen cloth 7 of shake can shake the grain screening, make the impurity that is bigger than the grain stay on the screen cloth, thereby reach the effect of sieving grain and impurity, the convenience carries out subsequent processing to the grain, simultaneously the condition that the mesh is stopped up can be reduced to first screen cloth 7 of shake, when the impurity that gathers up on the first screen cloth 7 is more, can be discharged with the help of impurity on the first screen cloth 7, then smash again, can let grain and impurity carry out separate processing through above-mentioned mechanism, residual grain in the garrulous pole of grain and impurity in the garrulous pole can reduce effectively, thereby reduce the extravagant grain.
The discharging mechanism comprises an electric telescopic rod 8, the electric telescopic rod 8 is fixedly connected with the inner wall of one side, close to the connecting plate 4, of the threshing machine 1 by means of a support, a connecting wire 9 is fixedly connected to the output end of the electric telescopic rod 8, the other end of the connecting wire 9 is fixedly connected with the bottom surface of a first connecting frame 6, one side, close to the electric telescopic rod 8, of the threshing machine 1 is communicated with a discharging frame 10, the top surface of the discharging frame 10 is provided with an opening, the top surface of the first connecting frame 6 is provided with a pair of sliding grooves 11, the inner wall of the sliding grooves 11 is slidably connected with a sliding block 12, scraping plates 13 are fixedly connected to one side, close to the sliding blocks 12, of the sliding blocks, and when the first connecting frame 6 is in an initial state, the free ends of the sliding blocks incline upwards by 7-10 degrees; when the impurity on the first connecting frame 6 needs to be discharged, start the electric telescopic rod 8, make the output of electric telescopic rod 8 pull connecting wire 9 (connecting wire 9 is in the state of being loose under the normal state and can not influence first connecting frame 6 and shake), connecting wire 9 can pull the free end of first connecting frame 6 and rotate down to contact with ejection of compact frame 10 this moment, first connecting frame 6 can be in the state of downward sloping this moment, slider 12 can slide down in spout 11 this moment, make scraper blade 13 scrape the impurity on the first screen cloth 7 into ejection of compact frame 10 in, can make the impurity on the first screen cloth 7 discharge better through being in the help of scraper blade 13, start electric telescopic rod 8 after the impurity is discharged from first screen cloth 7, make the output of electric telescopic rod 8 upwards move this moment, connecting wire 9 can become the state of being loose, this moment first connecting frame 6 can reset by means of spring 5, make the free end of first connecting frame 6 upwards slope this moment, slider 12 can slide in spout 11 and drive scraper blade 13 and reset, automatic effect that lets scraper blade 13 reset has been played.
An arc-shaped limiting piece 16 is rotatably connected to the inner wall of one side, close to the rotating shaft 14, of the threshing machine 1, and a positioning piece 15 for positioning the limiting piece 16 is fixedly connected to one side, close to the rotating shaft 14, of the threshing machine 1; since the first connecting frame 6 is easy to slide in the chute 11 when shaking, the position of the scraping plate 13 is easy to move, if the position of the scraping plate 13 moves to the middle part of the first connecting frame 6, the scraping plate 13 scrapes the impurities limited when discharging the impurities, thereby affecting the scraping effect of the scraping plate 13 on the first screen 7, the sliding block 12 can be limited by the limiting piece 16 through the mechanism, the situation that the sliding block 12 slides randomly when shaking the first screen 7 is prevented, the sliding block 12 can be far away from the limiting piece 16 when the first connecting frame 6 rotates downwards, the limiting piece 16 is not contacted with the sliding block 12 any more, the sliding block 12 can slide normally at this moment, after the first connecting frame 6 resets, the sliding block 12 can push the outer arc-shaped surface of the limiting piece 16, the limiting piece 16 rotates anticlockwise, and after the sliding block 12 passes through the limiting piece 16, the limiting piece 16 can reset under the action of the torsion spring and contact with the positioning piece 15, thereby limiting the limiting piece 16 can limit the sliding block 12.
The bottom surface of the first connecting frame 6 is fixedly connected with a plurality of groups of elastic ropes 18, the other end of each elastic rope 18 is fixedly connected with a second connecting frame 17, the inner wall of each second connecting frame 17 is fixedly connected with a plurality of groups of fixing strips 22, the top surfaces of the fixing strips 22 are fixedly connected with dredging cones 19, and the number and the positions of the dredging cones 19 correspond to the net openings of the first screen 7; when the first connecting frame 6 shakes, the second connecting frame 17 is driven to shake synchronously, at this moment, the dredging cone 19 on the second connecting frame 17 can be pricked into the mesh of the first screen 7 under the action of self inertia in the process of upward movement, so that the effect of dredging the mesh of the first screen 7 is achieved, meanwhile, the dredging cone 19 can also push impurities on the first screen 7, so that the impurities are turned, grains on the impurities can be turned to the first screen 7 for screening, and the screening effect of the grains is improved.
The inner wall of the threshing machine 1 is fixedly connected with a plurality of groups of positioning plates 21, the positioning plates 21 are positioned below the second connecting frame 17, and the dredging cone 19 is made of flexible materials; when first connecting frame 6 carries out pivoted in-process, second connecting frame 17 can contact with locating plate 21, second connecting frame 17 and locating plate 21 contact back, when first connecting frame 6 continues to rotate, dredging cone 19 can insert in the mesh of first screen cloth 7, dredging cone 19 can move impurity top this moment to be favorable to impurity to discharge on the first screen cloth 7, because dredging cone 19 is inserting the in-process in the mesh of first screen cloth 7, prick easily on the screen mouth lateral wall of first screen cloth 7, thereby lead to first connecting frame 6 unable rotation, at this moment dredging cone 19 that flexible material made pricks can extrusion deformation after on the screen mouth lateral wall, then prick again in the mesh, reduce the condition that dredging cone 19 and first screen cloth 7 take place to interfere.
The bottom end of the inner wall of the threshing machine 1 is fixedly connected with a second screen 23, one side of the threshing machine 1 is provided with a discharge chute 26, the inner wall of the discharge chute 26 is fixedly connected with a third screen 27, the mesh inner diameters of the second screen 23 and the third screen 27 are smaller than grains, one side of the threshing machine 1 far away from the discharge frame 10 is fixedly connected with two groups of connecting sleeves 24, the connecting sleeves 24 are connected with blowers (not shown in the figure), and the two groups of connecting sleeves 24 are respectively positioned on the upper side and the lower side of the first connecting frame 6; through the start-up is located the hair-dryer in the adapter sleeve 24 of first linking frame 6 below, the grain is sieved the back through first screen cloth 7 at this moment, can be mingled with some broken straw that is less than grain diameter and fall down together on second screen cloth 23, this moment second screen cloth 23 can sieve less impurity, simultaneously under the effect that the hair-dryer was bloied, the in-process that the grain falls, impurity can be blown out to blown out blown-out groove 26 department (because the screen mouth of second screen cloth 23 and third screen cloth 27 is less than the grain, the grain can not be blown out), and the wind of blowing out can dry the grain, the hair-dryer that is located the adapter sleeve 24 of first linking frame 6 top can start when first linking frame 6 rotates the row impurity, be convenient for blow in the impurity on the first screen cloth 7 into the discharge frame 10.
A group of heating wires (not shown in the figure) are arranged in the connecting sleeve 24 positioned at the bottom of the first connecting frame 6; through starting the heater strip for the air current temperature of jet in the adapter sleeve 24 of first connecting frame 6 bottom is higher, and the gas of intensification can dry the corn that drops on the first screen cloth 7 this moment to improve the effect of drying the corn.
The inner wall bottom surface of the threshing machine 1 is rotationally connected with an auger 30, the bottom surface of the threshing machine 1 is provided with a motor 31 for driving the auger 30, the inner wall bottom surface of the threshing machine 1 is fixedly connected with a round sleeve 29 sleeved on the auger 30, a gap between the round sleeve 29 and the outer edge of the side wall of the auger 30 is smaller than grains, the second screen 23 is sleeved on the round sleeve 29, and a group of feed grooves are formed in the position, above the second screen 23, of the round sleeve 29; through rotating with the help of motor 31 drive auger 30, the grain of this moment bottom can be followed the feed chute and is got into circle cover 29 in, then by auger 30 continuously upwards carry again on second screen cloth 23, the grain of later bottom can fall in piled up grain top from auger 30 top, the play fan can evenly air-dry the bottom grain of being piled up this moment to improve the drying effect to the grain, simultaneously with the impurity that grain mixes also can be carried by auger 30, then blow and follow the blown-down tank 26 and discharge, thereby improve the effect of blowing away to the impurity.
The inner wall of the threshing machine 1 is fixedly connected with a plurality of groups of connecting rods 33, the surfaces of the connecting rods 33 are uniformly and fixedly connected with round balls 32, and the connecting rods 33 are positioned above the first connecting frame 6; since the grains on the stalks are easy to be broken by impact when being threshed by the threshing roller 2, grains are easy to remain on the broken stalks and enter the first screen 7, and the stalks on the first screen 7 can be impacted with the round balls 32 by means of the mechanism when the first connecting frame 6 shakes, so that the grains which are not threshed on the stalks are threshed again, and the threshing effect on the grains on the stalks is improved.
Embodiment two: as shown in fig. 7, in comparative example one, another embodiment of the present invention is: the top surface of one connecting plate 4 is fixedly connected with a pressure sensor 34, and the top surface of the pressure sensor 34 is fixedly connected with a spring 5; when the impurity piles up too much on first screen cloth 7, first screen cloth 7 can become heavy, the pressure value that spring 5 applyed pressure sensor 34 this moment can be increasingly big, when the pressure value that pressure sensor 34 sensed reaches the numerical value of settlement, can start electric telescopic handle 8's output through the controller and move downwards to make output pulling first connection frame 6 rotate, then let the impurity on the first screen cloth 7 discharge, later electric telescopic handle 8's output can carry out reset motion, realized carrying out the effect of discharging to the impurity on the first screen cloth 7 automatically through above-mentioned mechanism.
Working principle: the threshing roller 2 is driven by a motor to rotate, the magnetic blocks 3 are repeatedly and intermittently repelled with the magnetic stripes 20, so that the first connecting frame 6 is vibrated by the magnetic stripes 20 and the springs 5, the first screen 7 is vibrated, then, the stalks with rice grains are put on the threshing roller 2 by workers, the rice grains can be threshed from the stalks by the threshing roller 2, the threshed grains and some stalk broken-up impurities can fall on the first screen 7, the vibrating first screen 7 can shake and screen the grains, impurities larger than the grains are left on the screen, the effect of screening the grains and the impurities is achieved, subsequent processing of the grains is facilitated, meanwhile, the vibrating first screen 7 can reduce the condition of mesh blockage, when the accumulated impurities on the first screen 7 are more, the impurities on the first screen 7 can be discharged by a discharging mechanism, then, the grains and the impurities can be separately processed by the mechanism, the residual grains and the impurities in the broken-up stalks can be effectively reduced, and the waste grains can be reduced; when the impurities on the first connecting frame 6 need to be discharged, the electric telescopic rod 8 is started, so that the output end of the electric telescopic rod 8 pulls the connecting wire 9 (the connecting wire 9 is in a loose state under the normal state and does not influence the first connecting frame 6 to shake), at the moment, the free end of the first connecting frame 6 can be pulled to rotate downwards to be in contact with the discharging frame 10, at the moment, the first connecting frame 6 can be in a downwards inclined state, at the moment, the sliding block 12 can slide downwards in the sliding groove 11, the scraping plate 13 scrapes the impurities on the first screen 7 into the discharging frame 10, the impurities on the first screen 7 can be better discharged through the scraping plate 13, after the impurities are discharged from the first screen 7, the electric telescopic rod 8 is started, so that the output end of the electric telescopic rod 8 moves upwards, at the moment, the connecting wire 9 can become in a loose state, at the moment, the first connecting frame 6 can reset by means of the spring 5, the free end of the first connecting frame 6 can tilt upwards, at the moment, the sliding block 12 can slide in the sliding groove 11 to drive the scraping plate 13 to reset, and the scraping plate 13 to reset automatically, and the scraping plate 13 can reset; since the slide block 12 slides in the sliding groove 11 at will easily when the first connecting frame 6 shakes, the position of the scraping plate 13 is easy to move, if the position of the scraping plate 13 moves to the middle part of the first connecting frame 6, the scraping plate 13 scrapes the impurities only to a limited extent when the impurities are discharged, so that the effect of scraping the impurities on the first screen 7 by the scraping plate 13 is affected, the slide block 12 can be limited by the aid of the limiting piece 16, the slide block 12 is prevented from sliding randomly when the first screen 7 shakes, the slide block 12 can be far away from the limiting piece 16 when the first connecting frame 6 rotates downwards, the limiting piece 16 is not contacted with the slide block 12 any more, the slide block 12 can slide normally at this time, the slide block 12 can push the outer arc-shaped surface of the limiting piece 16 after the first connecting frame 6 resets, the limiting piece 16 rotates anticlockwise, and the limiting piece 16 can reset under the action of the torsion spring to contact with the positioning piece 15 after the slide block 12 passes through the limiting piece 16, so that the limiting piece 16 can limit the slide block 12; when the first connecting frame 6 shakes, the second connecting frame 17 is driven to shake synchronously, at the moment, the dredging cone 19 on the second connecting frame 17 is pricked into the mesh of the first screen 7 under the action of self inertia in the process of upward movement, so that the effect of dredging the mesh of the first screen 7 is achieved, and meanwhile, the dredging cone 19 can also push impurities on the first screen 7, so that the impurities are turned over, grains on the impurities can be turned over to the first screen 7 for screening, and the screening effect of the grains is improved; when the first connecting frame 6 rotates, the second connecting frame 17 contacts with the positioning plate 21, after the second connecting frame 17 contacts with the positioning plate 21, when the first connecting frame 6 continues to rotate, the dredging cone 19 can be inserted into the mesh of the first screen 7, at the moment, the dredging cone 19 can push impurities to move, so that impurities can be discharged from the first screen 7, and as the dredging cone 19 is easily stuck to the side wall of the mesh opening of the first screen 7 in the process of being inserted into the mesh opening of the first screen 7, the first connecting frame 6 cannot rotate, at the moment, the dredging cone 19 made of flexible materials is extruded and deformed after being stuck to the side wall of the mesh opening and then is stuck into the mesh opening, so that the interference of the dredging cone 19 and the first screen 7 is reduced; by starting the blower in the connecting sleeve 24 below the first connecting frame 6, the grains are screened by the first screen 7 and then fall onto the second screen 23 together with crushed straws with smaller diameters than the grains, the second screen 23 can screen smaller impurities, meanwhile, under the action of blowing by the blower, the impurities can be blown to the discharge chute 26 for discharge (the grains cannot be blown out because the openings of the second screen 23 and the third screen 27 are smaller than the grains), and the blown air can dry the grains, and the blower in the connecting sleeve 24 above the first connecting frame 6 can be started when the first connecting frame 6 rotates to discharge the impurities, so that the impurities on the first screen 7 can be blown into the discharge frame 10 conveniently; the auger 30 is driven to rotate by the motor 31, grains at the bottom of the second screen 23 enter the round sleeve 29 from the feed chute and are continuously conveyed upwards by the auger 30, the grains at the bottom of the auger fall above the piled grains from the top of the auger 30, the piled grains at the bottom of the auger can be uniformly air-dried by the air outlet fan, so that the drying effect on the grains is improved, meanwhile, impurities mixed with the grains are conveyed by the auger 30 and are discharged from the discharge chute 26 by blowing of the air blower, and the blowing effect on the impurities is improved; since the grains on the stalks are easy to be broken by impact when being threshed by the threshing roller 2, grains are easy to remain on the broken stalks and enter the first screen 7, and the stalks on the first screen 7 can be impacted with the round balls 32 by means of the mechanism when the first connecting frame 6 shakes, so that the grains which are not threshed on the stalks are threshed again, and the threshing effect on the grains on the stalks is improved.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A double-roller rice threshing device is characterized in that: comprises a threshing machine (1); the novel threshing machine is characterized in that a pair of hollow threshing rollers (2) are rotationally connected to the threshing machine (1), a magnetic block (3) is fixedly connected to the inner wall of the threshing rollers (2), a pair of motors for driving the threshing rollers (2) are arranged on one side of the threshing machine (1), a rotating shaft (14) is rotationally connected to the inner wall of the threshing machine (1), a first connecting frame (6) is fixedly connected to one end, far away from the inner wall of the threshing machine (1), of the rotating shaft (14), a first screen (7) is fixedly connected to the inner wall of the first connecting frame (6), a group of springs (5) is fixedly connected to the bottom surface, far away from the rotating shaft (14), of the first connecting frame (6), a connecting plate (4) is fixedly connected with the inner wall of the threshing machine (1), a pair of magnetic strips (20) which are repulsed by the magnetic block (3) are fixedly connected to the bottom surface of the first connecting frame (6), and a discharging mechanism is arranged on the threshing machine (1);
the discharging mechanism comprises an electric telescopic rod (8), the electric telescopic rod (8) is fixedly connected with the inner wall of one side, close to the connecting plate (4), of the thresher (1) by means of a support, the output end of the electric telescopic rod (8) is fixedly connected with a connecting wire (9), the other end of the connecting wire (9) is fixedly connected with the bottom surface of a first connecting frame (6), one side, close to the electric telescopic rod (8), of the thresher (1) is communicated with a discharging frame (10), the top surface of the discharging frame (10) is provided with an opening, the top surface of the first connecting frame (6) is provided with a pair of sliding grooves (11), the inner wall of the sliding grooves (11) is slidably connected with a sliding block (12), one side, close to each other, of the sliding blocks (12) is fixedly connected with a scraping plate (13), and the free end of the first connecting frame (6) is inclined upwards by 7-10 degrees when the first connecting frame (6) is in an initial state.
The threshing machine is characterized in that a second screen (23) is fixedly connected to the bottom end of the inner wall of the threshing machine (1), a discharge chute (26) is formed in one side of the threshing machine (1), a third screen (27) is fixedly connected to the inner wall of the discharge chute (26), the mesh inner diameters of the second screen (23) and the third screen (27) are smaller than those of grains, two groups of connecting sleeves (24) are fixedly connected to one side, away from the discharge frame (10), of the threshing machine (1), a blower is connected to the connecting sleeves (24), and the two groups of connecting sleeves (24) are respectively located on the upper side and the lower side of the first connecting frame (6);
a group of heating wires are arranged in the connecting sleeve (24) positioned at the bottom of the first connecting frame (6);
the inner wall bottom surface of thresher (1) rotates and is connected with auger (30), the bottom surface of thresher (1) is provided with motor (31) that carry out drive to auger (30), the inner wall bottom surface fixedly connected with of thresher (1) overlaps circle cover (29) on auger (30), gap between circle cover (29) and auger (30) lateral wall outward flange is less than the grain, second screen cloth (23) cover is on circle cover (29), and a set of feed chute has been seted up to the position department that circle cover (29) are located second screen cloth (23) top.
2. A twin drum rice threshing device as defined in claim 1, wherein: the inner wall of one side of the threshing machine (1) close to the rotating shaft (14) is rotationally connected with an arc-shaped limiting piece (16) through a torsion spring, and one side of the inner wall of the threshing machine (1) close to the rotating shaft (14) is fixedly connected with a positioning piece (15) for positioning the limiting piece (16).
3. A twin drum rice threshing device as defined in claim 2, wherein: the bottom surface fixedly connected with multiunit elastic rope (18) of first connection frame (6), the other end fixedly connected with second connection frame (17) of elastic rope (18), the inner wall fixedly connected with multiunit fixed strip (22) of second connection frame (17), the top surface fixedly connected with mediation awl (19) of fixed strip (22).
4. A twin drum rice threshing device as defined in claim 3, wherein: the inner wall of the threshing machine (1) is fixedly connected with a plurality of groups of positioning plates (21), the positioning plates (21) are positioned below the second connecting frame (17), and the dredging cone (19) is made of flexible materials.
5. A twin drum rice threshing device as defined in claim 1, wherein: the inner wall fixedly connected with multiunit connecting rod (33) of thresher (1), the even fixedly connected with ball (32) in surface of connecting rod (33), connecting rod (33) are located first connecting frame (6) top.
6. A twin drum rice threshing device as defined in claim 1, wherein: the top surface of one connecting plate (4) is fixedly connected with a pressure sensor (34), and the top surface of the pressure sensor (34) is fixedly connected with a spring (5).
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| CN202310864318.3A CN116569741B (en) | 2023-07-14 | 2023-07-14 | Double-roller rice threshing device |
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| CN202310864318.3A CN116569741B (en) | 2023-07-14 | 2023-07-14 | Double-roller rice threshing device |
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| CN116569741B true CN116569741B (en) | 2023-10-13 |
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