CN109348874B - Corn district thresher - Google Patents
Corn district thresher Download PDFInfo
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- CN109348874B CN109348874B CN201811364050.2A CN201811364050A CN109348874B CN 109348874 B CN109348874 B CN 109348874B CN 201811364050 A CN201811364050 A CN 201811364050A CN 109348874 B CN109348874 B CN 109348874B
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- Prior art keywords
- threshing
- screen
- corn
- screening
- frame
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- 240000008042 Zea mays Species 0.000 title claims abstract description 81
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 81
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 title claims abstract description 80
- 235000005822 corn Nutrition 0.000 title claims abstract description 80
- 241000251169 Alopias vulpinus Species 0.000 title claims description 15
- 238000012216 screening Methods 0.000 claims abstract description 100
- 239000012535 impurity Substances 0.000 claims abstract description 22
- 238000007599 discharging Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 64
- 239000000428 dust Substances 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000007873 sieving Methods 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims 2
- 230000002441 reversible effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 10
- 235000013339 cereals Nutrition 0.000 description 9
- 230000032258 transport Effects 0.000 description 8
- 239000004744 fabric Substances 0.000 description 7
- 239000008187 granular material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 208000003643 Callosities Diseases 0.000 description 1
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 235000009973 maize Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- A01F11/00—Threshing apparatus specially adapted for maize; Threshing apparatus specially adapted for particular crops other than cereals
- A01F11/06—Threshing apparatus specially adapted for maize; Threshing apparatus specially adapted for particular crops other than cereals for maize, e.g. removing kernels from cobs
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Threshing Machine Elements (AREA)
Abstract
The invention provides a corn district threshing machine, relates to the technical field of crop equipment, and solves the technical problem that a screening device of the corn threshing machine in the prior art is poor in screening effect, and the corn district threshing machine comprises a frame, a screening device and a driving device, wherein the screening device is arranged on the frame and connected with the driving device, and the screening device comprises the following components: the screening device comprises a screening device frame, a first screen and a second screen are sequentially arranged in the screening device frame from top to bottom, the caliber of a net mouth of the first screen is larger than that of a net mouth of the second screen, an impurity discharging channel is arranged on the first screen, a corn grain outlet is arranged on the second screen, and the screening device frame is connected with the driving device and can do reciprocating motion under the driving of the driving device; the screening device disclosed by the invention can effectively separate and discharge the mixed impurities in the threshed corn kernels, and has a simple structure and an obvious screening effect.
Description
Technical Field
The invention relates to the technical field of crop equipment, in particular to a corn district threshing machine.
Background
Corn is widely planted as a common grain crop, and after the corn is ripe, corn needs to be threshed, screened and purified, most of corn threshers with screening functions, which are present in the market, thresh the corn through screens, and the screening process of the existing screens is rough, so that the screening effect of corn kernels is seriously affected.
The utility model discloses a corn thresher with screening function, including feeder hopper, thresher, discharge gate and motor, feed inlet and discharge gate and thresher intercommunication, sieving mechanism includes screening case, screen cloth and the vibration transmission shaft who is connected with the screen cloth, and the device is threshed the maize through thresher, later screens the kernel of corn through sieving mechanism.
The applicant has found, in comparison with the prior art, that at least the following technical problems exist:
although the screen cloth in the screening box can filter the debris of granule less in the kernel of corn, the debris of granule great still mixes with the kernel of corn on the screen cloth mutually, and the screening effect is relatively poor.
Disclosure of Invention
The invention aims to provide a corn district threshing machine, which solves the technical problem that a screening device of the corn threshing machine in the prior art has poor screening effect; according to the technical scheme, the corn threshing device comprises a first screen and a second screen which are obliquely arranged, impurity discharge and corn kernel transportation can be effectively improved during screening, the bottom of a threshing bin is arranged to be net-shaped and located above the screening device, corn can be primarily screened and fall onto the screening device after threshing, a screening transmission device comprises a driving connecting rod and a driven connecting rod, a screening device frame can do reciprocating motion under the action of a power device, a first threshing roller and a second threshing roller are matched for corn threshing, corn threshing efficiency is improved, a conveying transmission device can transmit power on the second threshing roller to a conveying device, so that corn cobs can be conveniently discharged, the bottom of a conveying channel is net-shaped, corn cobs can be recovered, the conveying device comprises a conveying pipeline and a first fan, so that corn cobs can be transported more quickly, the dust discharging device comprises an air duct and a second fan, the mixed impurities in the corn cobs can be removed again, the screening effect is further improved, the power of the first threshing roller can be transmitted to the second fan through the transmission device, and the power of the second fan can be transmitted to the power transmission device through the power transmission device; details are set forth below.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The invention provides a corn district threshing machine, which comprises a frame, a screening device and a driving device, wherein the screening device is arranged on the frame and is connected with the driving device, and the screening device comprises: the screening device comprises a screening device frame, a first screen and a second screen are sequentially arranged in the screening device frame from top to bottom, the mesh opening caliber of the first screen is larger than that of the second screen, an impurity discharging channel is arranged on the first screen, a corn grain outlet is arranged on the second screen, and the screening device frame is connected with the driving device and can make reciprocating motion under the driving of the driving device.
Preferably, the second screen is obliquely arranged, and the heights of the second screen are sequentially increased along the direction away from the corn grain outlet; the first screen cloth for the second screen cloth parallel arrangement, the second screen cloth is close to the one end of kernel of corn export is provided with the baffle, impurity discharge passage follows the baffle sets up.
Preferably, a threshing bin is arranged above the screening device on the frame, the bottom of the threshing bin is arranged in a net shape, and a threshing device is arranged in the threshing bin; the driving device comprises a power device and a power transmission device, and the threshing device is connected with the power device through the power transmission device.
Preferably, the drive device further comprises a screening transmission comprising a driving link and a driven link, wherein: the two ends of the driven connecting rod are respectively and rotatably connected with the stand and the screening device frame, one end of the driving connecting rod is rotatably connected with the stand to form a fixed end, the other end of the driving connecting rod is connected with the screening device frame to form a movable end, and the movable end can rotate back and forth around the fixed end under the driving of the power device so as to enable the screening device frame to reciprocate.
Preferably, the driving device further comprises a threshing transmission device, the threshing device comprises a first threshing roller and a second threshing roller, wherein: the first threshing roller and the second threshing roller are arranged in parallel, and one end of the first threshing roller is connected with the power device through the power transmission device; the other end of the first threshing roller is connected with the input end of the second threshing roller through the threshing transmission device.
Preferably, the threshing bin is provided with a corn cob outlet, a conveying device is arranged at the position of the corn cob outlet, and the driving device further comprises a conveying transmission device, wherein: the conveying device comprises a conveying channel, the bottom of the conveying channel is arranged into a net shape, a guide channel is arranged below the bottom of the conveying channel, and the guide channel is communicated with the threshing bin; the output end of the second threshing roller is connected with the conveying channel through the conveying transmission device, and the conveying channel moves back and forth under the drive of the output end of the second threshing roller.
Preferably, the corn cell thresher further comprises a transporting device comprising a transporting pipeline and a first fan, wherein: the starting end of the conveying pipeline is connected with the corn grain outlet, and the ending end of the conveying pipeline is provided with a discharge port; the first fan is connected to the transportation pipeline and provides transportation power for the transportation pipeline.
Preferably, the corn district thresher further comprises a dust discharging device, the dust discharging device comprises an air duct and a second fan, wherein: the exhaust port of the air duct is arranged on the transportation pipeline, and the dust exhaust port of the air duct is arranged on the frame; the first fan is connected to the air duct and provides dust removal power for the air duct.
Preferably, the drive device further comprises a transport transmission, wherein: one end of a rotating shaft of the second fan is connected with the first threshing roller through the threshing transmission device; the other end of the rotating shaft of the second fan is connected with the rotating shaft of the first fan through the conveying transmission device.
Preferably, the threshing bin is provided with a feeding hopper, the feeding hopper comprises a fixed part and a movable part, the fixed part is fixedly arranged on the threshing bin, and the movable part can be installed on the fixed part in a turnover manner.
The corn district threshing machine provided by the invention has at least the following technical effects:
The screening device is arranged on the frame and connected with the driving device, the power of the driving device is sufficient, and the frame is stably supported; the first screen and the second screen are sequentially arranged in the screening device frame from top to bottom, the caliber of the net mouth of the first screen is smaller than that of the net mouth of the second screen, and the first screen and the second screen simultaneously, so that the screening effect of corn kernels is improved; the first screen is provided with an impurity discharging channel, the second screen is provided with a corn grain outlet, and corn grains can be effectively separated from impurities mixed in the corn grains and discharged during screening; the screening device frame is connected with the driving device and can do reciprocating motion under the driving of the driving device, and the screening device frame and the driving device are matched to provide screening and transportation power for the first screen mesh and the second screen mesh, so that the screening effect is more remarkable.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the screening apparatus and screening actuator of the present invention;
FIG. 3 is a schematic view of the power transmission arrangement of the present invention;
FIG. 4 is a schematic view of the threshing device and threshing transmission of the invention;
FIG. 5 is a schematic view of the dust removing device and the transporting device of the present invention;
FIG. 6 is a schematic view of the structure of the conveying device of the present invention;
FIG. 7 is a schematic view of the conveyor drive arrangement of the present invention;
FIG. 8 is a schematic view of the structure of the feed hopper of the present invention.
Reference numerals
1-A frame; 2-screening device; 21-a screening device frame; 22-a first screen; 221-an impurity discharge passage; 23-a second screen; 231-kernel outlet; 3-a driving device; 31-a power plant; 32-threshing transmission device; 321-a first sprocket; 322-drive chain; 323-a second sprocket; 324-third sprocket; 33-a transport transmission; 34-screening gear; 341-a driven link; 342-an active link; 35-a power transmission; 351—a first drive belt; 352-second drive belt; 353-output wheel; 354-threshing wheel; 355-screening wheel; 356-first connecting rod; 357—a second connecting rod; 36-eccentric shaft; 4-an electric cabinet; 5, threshing bin; 51-threshing device; 511-a first threshing roller; 512-a second threshing roller; 52-feeding hopper; 521-a movable part; 522-a fixing portion; 6-a dust removing device; 61-air duct; 611-an exhaust port; 612—a dust exhaust port; 62-a second fan; 7-a transportation device; 71-a transport line; 72-a first fan; 8-a conveying device; 81-a conveying channel; 811-limiting blocks; 82-guide channels.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
The invention provides a corn district threshing machine, which is shown in the structural schematic diagram of the invention in figure 1 and the structural schematic diagram of a screening device and a screening transmission device in figure 2, and comprises a frame 1, a screening device 2 and a driving device 3, wherein the screening device 2 is arranged on the frame 1 and is connected with the driving device 3, and the screening device comprises a main body, a main body and a main body, wherein the main body is provided with a main body, and the main body is provided with a main body, and the main body is provided with a screening device and a driving device. The screening device 2 comprises a screening device frame 21, a first screen 22 and a second screen 23 are sequentially arranged in the screening device frame 21 from top to bottom, the mesh opening caliber of the first screen 22 is larger than that of the second screen 23, an impurity discharging channel 221 is arranged on the first screen 22, a corn grain outlet 231 is arranged on the second screen 23, and the screening device frame 21 is connected with the driving device 3 and can do reciprocating motion under the driving of the driving device 3.
When corn threshing, the driving device 3 drives the screening device frame 2 to make reciprocating motion, the first screen 22 and the second screen 23 make reciprocating motion along with the screening device frame 2, at this time, corn kernels and smaller particles which are primarily screened by the first screen 22 can drop onto the second screen 23 through the mesh opening of the first screen 22 for secondary screening, larger impurities which are retained on the first screen 22 are discharged from the impurity discharging channel 221 along with the reciprocating motion of the first screen 22, smaller impurities of particles are discharged from the mesh opening of the second screen 23 in secondary screening, and corn kernels which are retained on the second screen 23 after primary screening and secondary screening are transported out from the corn kernel outlet 231 along with the reciprocating motion of the second screen 23; the screening device can complete primary screening and secondary screening simultaneously, can effectively separate and discharge the threshed corn kernels and impurities, and has remarkable screening effect.
As an alternative embodiment, as shown in fig. 2, the second screen 23 is disposed obliquely, and the heights of the second screen 23 increase in sequence in a direction away from the kernel outlet 231; the first screen 22 is arranged in parallel relative to the second screen 23, and the first screen 22 and the second screen 23 which are obliquely arranged can facilitate the output of corn kernels and the discharge of impurities; the second screen 23 is provided with a baffle at one end thereof adjacent to the kernel outlet 231, which can effectively prevent impurities from falling onto the first screen 22, and the impurity discharging passage 221 is provided along the baffle, preferably, the position of the impurity discharging passage 221 away from the discharging opening is higher than the position of the discharging opening, which is advantageous for discharging impurities.
As an alternative embodiment, as shown in the schematic structural diagrams of the power transmission device of the invention in fig. 1,2 and 3 and the schematic structural diagrams of the threshing device and the threshing transmission device of the invention in fig. 4, a threshing bin 5 is arranged on the frame 1 above the screening device 2, the bottom of the threshing bin 5 is arranged in a net shape, and a threshing device 51 is arranged in the threshing bin 5; the driving device 3 comprises a power device 31 and a power transmission device 35, the threshing device 51 is connected with the power device 31 through the power transmission device 35, and the threshing bin 5 with the bottom being in a net shape is used for isolating the threshed corn cobs from the threshed corn kernels, so that the threshed corn kernels can be coarsely selected for the first time.
As an alternative embodiment, as shown in fig. 2, the drive device 3 further comprises a screening transmission 34, the screening transmission 34 comprising a driving link 342 and a driven link 341, wherein: both ends of the driven connecting rod 341 are rotatably connected with the stand 1 and the screening device frame 21 respectively, one end of the driving connecting rod 342 is rotatably connected with the stand 1 to form a fixed end, the other end of the driving connecting rod 342 is connected with the screening device frame 21 to form a movable end, and the movable end can reciprocate around the fixed end under the drive of the power device 31 to make the screening device frame 21 reciprocate; the screening transmission device 34 adopts a connecting rod mechanism, has simple structure and large load and is not easy to wear.
As an alternative embodiment, the drive means 3 further comprises a threshing transmission 32, the threshing device 51 comprising a first threshing roller 511 and a second threshing roller 512, wherein: the first threshing roller 511 and the second threshing roller 512 are arranged in parallel, and one end of the first threshing roller 511 is connected with the power device 31 through the power transmission device 35; the other end of the first threshing roller 511 is connected with the input end of the second threshing roller 512 through a threshing transmission device 32; preferably, the threshing transmission 32 comprises a first sprocket 321, a second sprocket 323 and a transmission chain 322, one end of the first threshing roller 511 is connected with the power device 31 through the power transmission 35, the other end of the first threshing roller 511 is connected with the first sprocket 321, the input end of the second threshing roller 512 is connected with the second sprocket 323, and the first sprocket 321 is connected with the second sprocket 323 through the transmission chain 322.
As an alternative embodiment, as shown in fig. 4, the power transmission device 35 includes a screening wheel 355, a threshing wheel 354 and an output wheel 353, the output wheel 353 is connected with the power device 31, the threshing wheel 354 is connected with the first threshing roller 511, the threshing wheel 354 is provided with a first belt wheel and a second belt wheel which are arranged in a layered manner, the diameter of the first belt wheel is larger than that of the second belt wheel, the first belt wheel is connected with the output wheel 353 through a second belt 352, the second belt wheel is connected with the screening wheel 355 through the first belt 351, the screening wheel 355 is rotatably arranged on the frame 1 through a bearing, the eccentric position of the screening wheel 355 is rotatably connected with the upper end of the first connecting rod 356, the middle section of the driving connecting rod 342 extends outwards to form a connecting part, the second connecting rod 357 is vertically fixed on the connecting part, and the lower end of the first connecting rod 356 is rotatably connected with the second connecting rod 357.
When the corn district threshing machine works, the power provided by the power device 31 is transmitted to the first belt wheel through the second transmission belt 352, and is transmitted to the first threshing roller 511 after being decelerated by the first belt wheel and the second belt wheel, and at the moment, the threshing device 51 starts threshing work; when the second belt wheel rotates, power is transmitted to the screening wheel 355 through the first transmission belt 351, and the screening wheel 355 and the first connecting rod 356 form a cam mechanism, so that the rotation of the screening wheel 355 is converted into the up-and-down reciprocating motion of the lower end of the first connecting rod 356, and further, the second connecting rod 356 and the driving connecting rod 342 drive the screening device frame 21 to make reciprocating motion, and the screening work is started; the power transmission device 35 adopts the combination of a belt transmission mechanism and a cam transmission mechanism, realizes simultaneous screening and threshing, and has simple structure and remarkable effect.
As an alternative embodiment, as shown in the schematic structural diagram of the conveying device of the present invention in fig. 6 and the schematic structural diagram of the conveying transmission device of the present invention in fig. 7, a corn cob outlet is arranged on the threshing bin 5, a conveying device 8 is arranged at the position of the corn cob outlet, and the driving device 3 further comprises a conveying transmission device 36, wherein: the conveying device 8 comprises a conveying channel 81, the bottom of the conveying channel 81 is arranged into a net shape, a guide channel 82 is arranged below the bottom of the conveying channel 81, and the guide channel 82 is communicated with the threshing bin 5; the output end of the second threshing roller 512 is connected with a conveying channel 81 through a conveying transmission device 36, and the conveying channel 81 moves back and forth under the drive of the output end of the second threshing roller 512; preferably, two limiting blocks are arranged at the lower end of the bottom of the conveying channel 81, the conveying transmission device 36 comprises an eccentric shaft arranged at the output end of the second threshing roller 512, two sides of the eccentric shaft are respectively propped against the two limiting blocks, when the second threshing roller 512 rotates, the eccentric shaft eccentrically rotates, so that the conveying channel 81 is driven to do approximate reciprocating motion, further preferably, a limiting device is arranged in the vertical direction of the conveying channel 81, the top of the limiting block is always separated from the bottom of the conveying channel 81, and at the moment, the conveying channel 81 is driven by the eccentric shaft to do reciprocating motion in the horizontal direction.
As an alternative embodiment, as shown in the schematic structural diagram of the dust removing device and the transporting device of the present invention in fig. 5, the corn district threshing machine further comprises a transporting device 7, wherein the transporting device 7 comprises a transporting pipeline 71 and a first fan 72, and the following components are provided: the starting end of the conveying pipeline 71 is connected with the corn grain outlet 231, the terminating end of the conveying pipeline 71 is provided with a discharge port, the position of the terminating end of the conveying pipeline 71 is provided with a discharge hopper, and the discharge port is arranged below the discharge hopper; the first fan 72 is connected to the transport pipeline 71 and provides transport power for the transport pipeline 71; the transporting device 7 transports corn kernels through wind pressure, and the transporting efficiency is high.
As an alternative embodiment, as shown in fig. 5, the corn district threshing machine further comprises a dust discharging device 6, the dust discharging device 6 comprises an air duct 61 and a second fan 62, wherein: the exhaust port 611 of the air duct 61 is arranged on the conveying pipeline 71, the exhaust port 611 is arranged at the top of the discharge hopper, when corn kernels enter the discharge hopper and are discharged to the discharge port, the exhaust port 611 can effectively extract impurities mixed in the corn kernels, and further, the corn kernels are screened, so that the screening of the corn kernels is more thorough, and the effect is more remarkable; the dust discharge port 612 of the air duct 61 is arranged on the frame 1; the first fan 72 is connected to the air duct 61 and provides dust discharging power for the air duct 61.
As an alternative embodiment, as shown in fig. 4 and 5, the drive device 3 further comprises a transport transmission 33, wherein: one end of the rotating shaft of the second fan 62 is connected with the first threshing roller 511 through the threshing transmission 32; the other end of the rotating shaft of the second fan 62 is connected with the rotating shaft of the first fan 72 through a conveying transmission device 33; the threshing transmission 32 further comprises a third sprocket 324, and the third sprocket 324 is connected with the first threshing roller 511 through a transmission chain 322, so that the power of the first threshing roller 511 can be transmitted to the rotating shaft of the first fan 72.
As an alternative embodiment, as shown in the schematic structural diagram of the feed hopper of the invention in fig. 8, a feed hopper 52 is arranged on the threshing bin 5, the feed hopper 52 comprises a fixed part 522 and a movable part 521, the fixed part 522 is fixedly arranged on the threshing bin 5, and the movable part 521 is installed on the fixed part 522 in a turnover manner; the feed hopper 52 can be used for simultaneously placing a large amount of corns, so that the threshing efficiency of the corn district threshing machine is greatly improved.
As an alternative embodiment, the power device 31 is provided with a motor, the electric cabinet 4 is arranged on the frame 1, an electric control switch is arranged in the electric cabinet 4, the electric control switch is electrically connected with the power device 31, and the electric control switch is used for opening or closing the power device 31.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a corn district thresher, its characterized in that includes frame (1), sieving mechanism (2) and drive arrangement (3), sieving mechanism (2) set up in frame (1) and with drive arrangement (3) link to each other, wherein:
The screening device (2) comprises a screening device frame (21), a first screen (22) and a second screen (23) are sequentially arranged in the screening device frame (21) from top to bottom, the mesh opening caliber of the first screen (22) is larger than that of the second screen (23), an impurity discharging channel (221) is arranged on the first screen (22), a corn grain outlet (231) is arranged on the second screen (23), and the screening device frame (21) is connected with the driving device (3) and can do reciprocating motion under the driving of the driving device (3);
a threshing bin (5) is arranged above the screening device (2) on the frame (1), the bottom of the threshing bin (5) is arranged into a net shape, and a threshing device (51) is arranged in the threshing bin (5); the driving device (3) comprises a power device (31) and a power transmission device (35), and the threshing device (51) is connected with the power device (31) through the power transmission device (35);
The driving device (3) comprises a threshing transmission device (32), the threshing device (51) comprises a first threshing roller (511) and a second threshing roller (512), wherein: the first threshing roller (511) and the second threshing roller (512) are arranged in parallel, and one end of the first threshing roller (511) is connected with the power device (31) through the power transmission device (35); the other end of the first threshing roller (511) is connected with the input end of the second threshing roller (512) through the threshing transmission device (32);
The threshing bin (5) is provided with a corn cob outlet, the position of the corn cob outlet is provided with a conveying device (8), and the driving device (3) further comprises a conveying transmission device (36), wherein: the conveying device (8) comprises a conveying channel (81), the bottom of the conveying channel (81) is arranged into a net shape, a guide channel (82) is arranged below the bottom of the conveying channel (81), and the guide channel (82) is communicated with the threshing bin (5); the output end of the second threshing roller (512) is connected with the conveying channel (81) through the conveying transmission device (36), and the conveying channel (81) moves back and forth under the drive of the output end of the second threshing roller (512);
The corn district thresher further comprises a conveying device (7), the conveying device (7) comprises a conveying pipeline (71) and a first fan (72), wherein: the starting end of the conveying pipeline (71) is connected with the corn grain outlet (231), and the terminating end of the conveying pipeline (71) is provided with a discharge port; the first fan (72) is connected to the transport pipeline (71) and provides transport power for the transport pipeline (71).
2. The corn cell thresher of claim 1, characterized in that the second screen (23) is inclined and the second screen (23) increases in height in sequence in a direction away from the corn kernel outlet (231);
the first screen (22) is arranged in parallel relative to the second screen (23), a baffle is arranged at one end of the second screen (23) close to the corn kernel outlet (231), and the impurity discharging channel (221) is arranged along the baffle.
3. The corn cell thresher of claim 1, wherein the drive (3) further comprises a screening transmission (34), the screening transmission (34) comprising a drive link (342) and a driven link (341), wherein:
The two ends of the driven connecting rod (341) are respectively and rotatably connected with the frame (1) and the screening device frame (21), one end of the driving connecting rod (342) is rotatably connected with the frame (1) to form a fixed end, the other end of the driving connecting rod (342) is connected with the screening device frame (21) to form a movable end, and the movable end can rotate back and forth around the fixed end under the driving of the power device (31) to enable the screening device frame (21) to reciprocate.
4. The corn cell thresher of claim 1, further comprising a dust extraction device (6), the dust extraction device (6) comprising an air duct (61) and a second fan (62), wherein:
An exhaust port (611) of the air duct (61) is arranged on the transportation pipeline (71), and a dust exhaust port (612) of the air duct (61) is arranged on the frame (1);
The first fan (72) is connected to the air duct (61) and provides dust removal power for the air duct (61).
5. The corn cell thresher of claim 4, wherein the drive means (3) further comprises a transport transmission (33), wherein:
One end of a rotating shaft of the second fan (62) is connected with the first threshing roller (511) through the threshing transmission device (32);
the other end of the rotating shaft of the second fan (62) is connected with the rotating shaft of the first fan (72) through the conveying transmission device (33).
6. The corn community threshing machine according to claim 1, characterized in that a feed hopper (52) is arranged on the threshing bin (5), the feed hopper (52) comprises a fixed part (522) and a movable part (521), the fixed part (522) is fixedly arranged on the threshing bin (5), and the movable part (521) is installed on the fixed part (522) in a reversible manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811364050.2A CN109348874B (en) | 2018-11-16 | 2018-11-16 | Corn district thresher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811364050.2A CN109348874B (en) | 2018-11-16 | 2018-11-16 | Corn district thresher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| CN209403081U (en) * | 2018-11-16 | 2019-09-20 | 铁岭旭日农业技术开发有限公司 | A kind of corn cell thresing machine |
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| CN102783318A (en) * | 2012-09-07 | 2012-11-21 | 武威鹏凯机械有限公司 | Threshing, cleaning and sorting machine |
| CN203416642U (en) * | 2013-08-02 | 2014-02-05 | 山东润源实业有限公司 | Wind-type nondestructive grain transportation device for harvester |
| CN204047251U (en) * | 2014-07-04 | 2014-12-31 | 张铁刚 | Husker sheller intersection snow removing sorting screen |
| CN204466303U (en) * | 2014-08-20 | 2015-07-15 | 刘宝利 | Sorting screen of corn thresher double-drive device |
| CN105432260A (en) * | 2014-09-10 | 2016-03-30 | 河南沃德机械制造有限公司 | Screening mechanism on corn thresher |
| JP2017035015A (en) * | 2015-08-07 | 2017-02-16 | 株式会社クボタ | combine |
| CN108271540A (en) * | 2018-01-16 | 2018-07-13 | 深圳润丰投资咨询有限公司 | A kind of corn continuous sheller unit of the agricultural based on actuated by cams |
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