CN108496577B - Corn thresher - Google Patents
Corn thresher Download PDFInfo
- Publication number
- CN108496577B CN108496577B CN201810162204.3A CN201810162204A CN108496577B CN 108496577 B CN108496577 B CN 108496577B CN 201810162204 A CN201810162204 A CN 201810162204A CN 108496577 B CN108496577 B CN 108496577B
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- Prior art keywords
- shaft
- threshing
- fixedly connected
- crank
- double
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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
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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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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Threshing Machine Elements (AREA)
Abstract
The invention discloses a corn thresher, which comprises a base, wherein a rotary disc shaft is rotatably arranged on the base, a horizontal rotary disc is coaxially and fixedly connected above the rotary disc shaft, a plurality of threshing cylinders are uniformly arranged on the rotary disc at intervals along the circumferential direction, a horizontal double-shaft stretching motor is also fixedly arranged on the base, one output shaft of the double-shaft stretching motor drives the rotary disc shaft to rotate through a spatial geneva mechanism, the other output shaft of the double-shaft stretching motor is connected with a crank connecting rod mechanism positioned above the threshing cylinders through a synchronous cog belt mechanism, and the bottom of the crank connecting rod mechanism is fixedly connected with threshing cones corresponding to the threshing cylinders. The corn thresher has low price, small volume, high efficiency and labor saving, and is suitable for common farmers to use in daily life.
Description
Technical Field
The invention belongs to the technical field of agricultural mechanical equipment, and particularly relates to a corn thresher.
Background
Corn threshing is a process which is necessary to be finished by farmers after autumn harvesting, and a corn thresher is an agricultural machine used for a short time. Most of the existing corn threshing machines are large-scale automatic equipment suitable for a factory to perform a large amount of threshing, the structure is complex, the size is large, the cost is high, the field required during working is large, the corn threshing machine is suitable for a large-scale farm for corn planting, and for general farmers, the price, the storage after use and the like of the corn threshing machine are important factors for farmers to select the corn threshing machine, so that the design of the corn threshing machine which is low in price, small in size, efficient and labor-saving is necessary.
Disclosure of Invention
The invention aims to provide a corn thresher which is low in price, small in size, efficient and labor-saving, and suitable for daily use of ordinary farmers.
The technical scheme adopted by the invention is as follows: the utility model provides a corn thresher, which comprises a base, it is provided with the carousel axle to rotate on the base, the coaxial fixed connection in top of carousel axle has the horizontally carousel, be provided with a plurality of sections of threshing along circumference even interval on the carousel, it stretches the motor still to fixedly be provided with the horizontally biax on the base, the biax is stretched an output shaft of motor and is passed through space geneva mechanism drive carousel axle rotation, another output shaft that the biax stretched the motor is connected with the crank link mechanism who is located the section of threshing cylinder top through synchronous cog belt mechanism, crank link mechanism's bottom fixedly connected with and the threshing cone that the section of threshing cylinder corresponds.
The present invention is also characterized in that,
the space geneva mechanism comprises a drive plate which is coaxially and fixedly connected with an output shaft of the double-shaft extension motor close to the turntable shaft, and a space indexing geneva wheel which is matched with the drive plate and fixedly sleeved on the turntable shaft.
The synchronous cog belt mechanism comprises a vertical shell fixedly connected with the double-shaft stretching motor, the upper end and the lower end in the shell are rotatably connected with cog belt wheels, the two cog belt wheels are connected through a synchronous belt, and the cog belt wheels at the lower end are fixedly sleeved on an output shaft of the double-shaft stretching motor, which is far away from the drive plate.
The crank connecting rod mechanism comprises an axially horizontal accommodating disc fixedly connected with the upper end of the shell, an axially vertical track cylinder is fixedly connected below the bottom of the accommodating disc, a track groove is axially formed in the side wall of the track cylinder, and the lower part of the track groove inclines along the circumferential direction of the track cylinder; the threshing mechanism is characterized by further comprising a crankshaft fixedly sleeved in the toothed belt wheel at the upper end, the other end of the crankshaft extends into the containing disc and is fixedly connected with a crank along the radial direction, the other end of the crank is rotatably connected with a connecting rod located in the same plane, the other end of the connecting rod is rotatably connected with a guide rod located in the track cylinder, the outer wall of the guide rod is fixedly connected with a guide pin located in the track groove, and the bottom end of the guide rod is fixedly connected with the threshing cone.
The turntable shaft is hollow and is communicated with the joints of the upper end and the lower end, an inclined baffle with a central hole is fixed below the bottom end of the track cylinder, the axis of the baffle faces the upper end opening of the turntable shaft, and the bottom of the guide rod penetrates through the center of the baffle.
One end of the connecting rod, which is far away from the crank, is connected with a spherical hinge, and the top end of the guide rod is connected with a sliding block which is matched with the spherical hinge.
The threshing cylinder comprises a threshing cylinder body, and a plurality of threshing teeth are uniformly and fixedly arranged on the inner wall of the threshing cylinder body at intervals along the circumferential direction.
The cross section of the threshing cone is star-shaped.
The invention has the beneficial effects that: according to the corn thresher, the spatial geneva mechanism and the synchronous cog belt mechanism are respectively connected to the two ends of the double-shaft extension motor, and the crank link mechanism is driven by the synchronous cog belt mechanism, so that the spatial geneva mechanism and the crank link mechanism are ensured to move synchronously, namely the crank link mechanism reciprocates once, and the spatial geneva mechanism rotates for one station; the structure of the crank connecting rod mechanism can lead the guide rod to drive the threshing cone to rotate in the threshing cylinder while generating vertical linear motion, and the threshing is realized by combining the function of the threshing teeth.
Drawings
FIG. 1 is a schematic view of a corn thresher according to the present invention;
FIG. 2 is a schematic view of the bottom of the rail barrel of the corn thresher according to the present invention;
FIG. 3 is a schematic view of the inside of a rail cylinder of a corn thresher according to the present invention;
FIG. 4 is a schematic structural view of a threshing cone in the corn thresher according to the present invention;
FIG. 5 is a schematic view of the structure of a threshing cylinder in the corn thresher according to the present invention.
In the figure, 1, a base, 2, a rotating disc shaft, 3, a rotating disc, 4, a threshing cylinder, 5, a double-shaft extension motor, 6, a threshing cone, 7, a driving plate, 8, a space dividing grooved wheel, 9, a shell, 10, a toothed belt wheel, 11, a synchronous belt, 12, a containing disc, 13, a track cylinder, 14, a track groove, 15, a crank shaft, 16, a crank, 17, a connecting rod, 18, a guide rod, 19, a guide pin, 20, a baffle, 21, a ball hinge, 22, a sliding block, 23, a threshing cylinder body and 24, threshing teeth are arranged.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention provides a corn thresher, as shown in figures 1 to 5, which comprises a base 1, wherein a rotary disc shaft 2 is rotatably arranged on the base 1, a horizontal rotary disc 3 is coaxially and fixedly connected above the rotary disc shaft 2, a plurality of threshing cylinders 4 are uniformly arranged on the rotary disc 3 at intervals along the circumferential direction, each threshing cylinder 4 comprises a threshing cylinder body 23, a plurality of threshing teeth 24 are uniformly arranged on the inner wall of each threshing cylinder body 23 at intervals along the circumferential direction, a horizontal double-shaft extension motor 5 is also fixedly arranged on the base 1, one output shaft of the double-shaft extension motor 5 drives the rotary disc shaft 2 to rotate through a spatial geneva mechanism, the other output shaft of the double-shaft extension motor 5 is connected with a crank link mechanism positioned above the threshing cylinder 4 through a synchronous cog belt mechanism, and the bottom of the crank link mechanism is fixedly connected with a cone 6 with a threshing cylinder 4 and with a star-shaped cross section.
The spatial grooved pulley mechanism adopts the conventional structure of the prior art, namely comprises a drive plate 7 which is coaxially and fixedly connected with an output shaft of the double-shaft extension motor 5 close to the turntable shaft 2, and a spatial indexing grooved pulley 8 which is fixedly sleeved on the turntable shaft 2 and is arranged in a matching way with the drive plate 7.
The synchronous cog belt mechanism comprises a vertical shell 9 fixedly connected with the double-shaft stretching motor 5, the upper end and the lower end in the shell 9 are respectively rotatably connected with a cog belt wheel 10, the two cog belt wheels 10 are connected through a synchronous belt 11, and the cog belt wheel 10 at the lower end is fixedly sleeved on an output shaft of the double-shaft stretching motor 5 far away from the drive plate 7.
The crank connecting rod mechanism comprises an axial horizontal containing disc 12 fixedly connected with the upper end of the shell 9, an axial vertical track cylinder 13 is fixedly connected below the bottom of the containing disc 12, a track groove 14 is axially formed in the side wall of the track cylinder 13, and the lower part of the track groove 14 inclines along the circumferential direction of the track cylinder 13; the threshing device further comprises a crank shaft 15 fixedly sleeved in the toothed belt wheel 10 at the upper end, the other end of the crank shaft 15 extends into the containing disc 12 and is fixedly connected with a crank 16 along the radial direction, the other end of the crank 16 is rotatably connected with a connecting rod 17 located in the same plane, one end, far away from the crank 16, of the connecting rod 17 is connected with a spherical hinge 21, the top end of the guide rod 18 is connected with a sliding block 22 matched with the spherical hinge 21 so that the connecting rod 17 and the guide rod 18 are rotatably connected, the outer wall of the guide rod 18 is fixedly connected with a guide pin 19 located in the track groove 14, and the bottom end of the guide rod 18 is fixedly connected with.
When the corn threshing machine works, corn to be threshed is placed in the threshing cylinder 4, the double-shaft stretching motor 5 is started, one end of the double-shaft stretching motor is connected with the spatial grooved pulley mechanism, namely the driving plate 7 and the spatial indexing grooved pulley 8 which are matched mutually convert the continuous rotation of the motor into intermittent motion, the rotating disc shaft 2 and the rotating disc 3 are driven to rotate, the other end of the double-shaft stretching motor is connected with the synchronous toothed belt mechanism to transmit the motion to the crank connecting rod mechanism, namely the motor drives the lower end toothed belt pulley 10 to rotate, and the upper end toothed belt pulley 10 is driven to rotate through the synchronous belt 11. When the crank-link mechanism works, under the drive of the toothed belt wheel 10 at the upper end, the crank shaft 15 rotates to drive the crank 16 in the accommodating disc 12 to rotate, the crank 16 drives the guide rod 18 to do vertical linear motion in the track cylinder 13 through the connecting rod 17, in addition, the guide pin 19 enables the guide rod 18 to also do rotary motion under the limit of the track groove 14, when the threshing cone 6 stabs downwards into the corn cob, the threshing cone 6 continues to move downwards, and when the guide pin 19 enters the lower part of the track groove 14, the threshing cone 6 drives the corn to rotate to peel off the corn cob from the corn cob through the threshing teeth 24. The cooperation of the spherical hinge 21 and the slide block 22 further ensures that the threshing cone 6 can reciprocate up and down and rotate around the axis thereof; the star-shaped threshing cone 6 is ensured to have no relative rotation after being pricked into the corn and can provide the torque required by threshing.
The turntable shaft 2 is hollow and is communicated with the connection part of the upper end and the lower end, an inclined baffle plate 20 with a central hole is fixed below the bottom end of the track cylinder 13, the axis of the baffle plate 20 faces the upper end opening of the turntable shaft 2, and the bottom of the guide rod 18 penetrates through the center of the baffle plate 20. The threshing awl 6 moves upwards to make the corncobs touch the baffle 20 to be separated from the threshing awl 6, and the corncobs fall down towards the axis direction of the rotating disc shaft 2 and fall out from the bottom of the rotating disc shaft 2.
Through the mode, the spatial geneva mechanism and the synchronous cog belt mechanism are respectively connected to the two ends of the double-shaft extension motor 5, and the crank connecting rod mechanism is driven through the synchronous cog belt mechanism, so that the spatial geneva mechanism and the crank connecting rod mechanism are ensured to move synchronously, namely the crank connecting rod mechanism reciprocates once, and the spatial geneva mechanism rotates for one station; the structure of the crank-link mechanism can lead the guide rod 18 to drive the threshing cone 6 to rotate in the threshing cylinder 4 while generating vertical linear motion, and the threshing is realized by combining the function of the threshing teeth 24.
Claims (4)
1. A corn thresher is characterized by comprising a base (1), wherein a rotary disc shaft (2) is rotatably arranged on the base (1), a horizontal rotary disc (3) is coaxially and fixedly connected above the rotary disc shaft (2), a plurality of threshing cylinders (4) are uniformly arranged on the rotary disc (3) at intervals along the circumferential direction, a horizontal double-shaft extension motor (5) is further fixedly arranged on the base (1), one output shaft of the double-shaft extension motor (5) drives the rotary disc shaft (2) to rotate through a spatial geneva mechanism, the other output shaft of the double-shaft extension motor (5) is connected with a crank link mechanism positioned above the threshing cylinders (4) through a synchronous cog belt mechanism, and the bottom of the crank link mechanism is fixedly connected with threshing cones (6) corresponding to the threshing cylinders (4);
the spatial grooved pulley mechanism comprises a driving plate (7) coaxially and fixedly connected with an output shaft of the double-shaft extension motor (5) close to the turntable shaft (2), and a spatial indexing grooved pulley (8) fixedly sleeved on the turntable shaft (2) is arranged in a matching way with the driving plate (7);
the synchronous toothed belt mechanism comprises a vertical shell (9) fixedly connected with the double-shaft stretching motor (5), the upper end and the lower end in the shell (9) are respectively and rotatably connected with a toothed belt wheel (10), the two toothed belt wheels (10) are connected through a synchronous belt (11), and the toothed belt wheel (10) at the lower end is fixedly sleeved on an output shaft of the double-shaft stretching motor (5) far away from the drive plate (7);
the crank connecting rod mechanism comprises an axial horizontal containing disc (12) fixedly connected with the upper end of the shell (9), an axial vertical track cylinder (13) is fixedly connected below the bottom of the containing disc (12), a track groove (14) is formed in the side wall of the track cylinder (13) along the axial direction, and the lower part of the track groove (14) inclines along the circumferential direction of the track cylinder (13); the threshing device is characterized by further comprising a crank shaft (15) fixedly sleeved in the toothed belt wheel (10) at the upper end, the other end of the crank shaft (15) extends into the accommodating disc (12) and is fixedly connected with a crank (16) along the radial direction, the other end of the crank (16) is rotatably connected with a connecting rod (17) located in the same plane, the other end of the connecting rod (17) is rotatably connected with a guide rod (18) located in the track cylinder (13), the outer wall of the guide rod (18) is fixedly connected with a guide pin (19) located in the track groove (14), and the bottom end of the guide rod (18) is fixedly connected with the threshing cone (6);
the threshing cylinder (4) comprises a threshing cylinder body (23), and a plurality of threshing teeth (24) are fixedly arranged on the inner wall of the threshing cylinder body (23) at uniform intervals along the circumferential direction.
2. The corn thresher according to claim 1, wherein the turntable shaft (2) is hollow and is communicated with the connection part of the upper end and the lower end, an inclined baffle (20) with a central hole is fixed below the bottom end of the track cylinder (13), the axis of the baffle (20) faces the upper end opening of the turntable shaft (2), and the bottom of the guide rod (18) passes through the center of the baffle (20).
3. The corn thresher according to claim 1, characterized in that the end of the connecting rod (17) away from the crank (16) is connected with a ball joint (21), and the top end of the guide rod (18) is connected with a slide block (22) which is matched with the ball joint (21).
4. A corn thresher according to claim 1, characterized in that the cross-section of the threshing cone (6) is star-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810162204.3A CN108496577B (en) | 2018-02-26 | 2018-02-26 | Corn thresher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810162204.3A CN108496577B (en) | 2018-02-26 | 2018-02-26 | Corn thresher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108496577A CN108496577A (en) | 2018-09-07 |
| CN108496577B true CN108496577B (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810162204.3A Expired - Fee Related CN108496577B (en) | 2018-02-26 | 2018-02-26 | Corn thresher |
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| Country | Link |
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| CN (1) | CN108496577B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109997524B (en) * | 2019-05-24 | 2022-09-09 | 江西创嘉智能技术有限公司 | Corn threshing device with high automation degree |
| CN111512795B (en) * | 2020-05-22 | 2022-05-24 | 泉州市象影机械科技有限公司 | Knocking type sunflower threshing device |
| CN112189452A (en) * | 2020-09-09 | 2021-01-08 | 陈美� | Quick thresher of maize |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5192245A (en) * | 1991-09-09 | 1993-03-09 | Case Corporation | Thresher elements for a combine |
| CN2355521Y (en) * | 1998-11-30 | 1999-12-29 | 浙江省新昌中学 | Household corn thresher |
| CN102301868A (en) * | 2011-06-27 | 2012-01-04 | 湖南省劲松机械有限公司 | Corn threshing method and corn threshing machine |
| CN105027854A (en) * | 2015-08-28 | 2015-11-11 | 梁卓 | Corn threshing device |
-
2018
- 2018-02-26 CN CN201810162204.3A patent/CN108496577B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5192245A (en) * | 1991-09-09 | 1993-03-09 | Case Corporation | Thresher elements for a combine |
| CN2355521Y (en) * | 1998-11-30 | 1999-12-29 | 浙江省新昌中学 | Household corn thresher |
| CN102301868A (en) * | 2011-06-27 | 2012-01-04 | 湖南省劲松机械有限公司 | Corn threshing method and corn threshing machine |
| CN105027854A (en) * | 2015-08-28 | 2015-11-11 | 梁卓 | Corn threshing device |
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| Publication number | Publication date |
|---|---|
| CN108496577A (en) | 2018-09-07 |
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Granted publication date: 20201027 |