CN110786150B

CN110786150B - Corn thresher

Info

Publication number: CN110786150B
Application number: CN201911242480.1A
Authority: CN
Inventors: 邱增海
Original assignee: Anhui Dayuan Grain And Oil Co ltd
Current assignee: ANHUI DAYUAN GRAIN AND OIL Co.,Ltd.
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2021-07-16
Anticipated expiration: 2039-12-06
Also published as: CN110786150A

Abstract

The invention discloses a corn thresher, which comprises a thresher body, wherein a feeding hole for mounting a feeding device is formed in the upper part of the thresher body, two horizontal threshing rollers are respectively arranged in the thresher body, and a first separation filtering mechanism and a second separation filtering mechanism are sequentially arranged below the threshing rollers along the height direction. Set up the feed inlet that supplies feed arrangement to install through setting up thresher organism top, can pour into to the thresher internal time from feed arrangement when the corn-on-cob that will wait to thresh, the horizontal hunting through second feeding guide frame makes the corn-on-duty board of waiting to thresh, and the layering drops the feed inlet gradually on the high-low dislocation sets up the component board, blocks up the feed inlet when avoiding waiting to thresh the corn-on-duty when pouring into once.

Description

Corn thresher

Technical Field

The invention relates to the technical field of threshing machines, in particular to a corn threshing machine.

Background

The corn thresher is used for threshing the dried corn ears, wherein most of the corn ears are axial-flow drum type corn thresher and vertical threshing disc type corn thresher. The threshing machine has the characteristics of high production efficiency, good threshing quality, simple and convenient operation, simple structure, firmness, durability, reliable work, convenient use and maintenance and the like, so the threshing machine is always popular with farmers for many years.

However, the existing corn thresher still suffers from the following problems in the actual use process, affects the operation and operation process of corn threshing and causes inconvenience to the actual production and use:

1. the feeding hopper of the existing corn thresher is easily blocked when a large amount of corn cobs are poured into the feeding hopper, and the corn cobs can enter the thresher body only by manual assistance.

2. When the corn kernels are separated from the corn cobs in the threshing process, partial impurities are still mixed in the corn kernels, so that the threshing degree is not complete.

3. When the threshed corn cob slides out of the thresher body, the outlet position is easy to cause blockage.

Therefore, the existing corn thresher needs to be further designed to solve the problems, and the operating and using requirements of the existing corn thresher are met.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a corn thresher, aiming at solving the problems in the background technology.

In order to achieve the purpose, the invention adopts the following technical scheme:

a corn thresher is characterized in that a feed inlet for mounting a feeding device is arranged above a thresher body, the feeding device comprises a first feeding guide frame fixedly connected with the feed inlet, the inner side of the first feeding guide frame is rotatably connected with a second feeding guide frame, the inner side wall of the second feeding guide frame is fixedly provided with a component plate, the component plates are arranged in a staggered manner from left to right, C-shaped support plates which are rotationally connected with the second feeding guide frame are arranged on the front side and the rear side of the second feeding guide frame, both ends of the C-shaped supporting plate are fixedly connected with a threshing machine body, a placing table for placing a first motor is fixedly arranged on the threshing machine body, a first rotating shaft is fixedly connected on the first motor, a rotating top plate is fixedly arranged on the first rotating shaft, and a sliding groove matched with the rotating top plate is arranged on the outer side of the second feeding guide frame;

two horizontally arranged threshing rollers are respectively arranged in the threshing machine body, a first separation and filtration mechanism and a second separation and filtration mechanism are sequentially arranged below the threshing rollers along the height direction, first discharge ports for corn cob to slide out are respectively formed in the front side and the rear side of the threshing machine body, the position of each first discharge port is located above the corresponding first separation and filtration mechanism, a second discharge port for corn kernels to slide out is formed in the lower right side of the threshing machine body, and a driving mechanism for driving the threshing rollers to rotate is arranged on the left side of the threshing machine body;

the driving mechanism comprises a second motor fixedly arranged at the bottom of the threshing machine body, a second rotating shaft is fixedly connected on the second motor, and the second rotating shaft is fixedly provided with a driving gear disc, the threshing machine body is respectively provided with connecting holes for rotatably connecting the third rotating shaft, the fourth rotating shaft and the fifth rotating shaft, one end of the third rotating shaft, one end of the fourth rotating shaft and one end of the fifth rotating shaft extend into the threshing machine body and are rotationally connected with the inner wall of the threshing machine body, the end surfaces of the other ends of the third rotating shaft and the fifth rotating shaft are fixedly provided with driven gear discs, the driving gear disc and the driven gear disc are in transmission connection through chains, the surfaces of the third rotating shaft and the fourth rotating shaft are respectively fixedly sleeved with a first transmission gear and a second transmission gear, and the first transmission gear is meshed with the second transmission gear, and the two threshing rollers are fixedly sleeved on the third rotating shaft and the fourth rotating shaft respectively.

Preferably, the first separating and filtering mechanism comprises a pressing plate which is horizontally and fixedly arranged between the first discharge ports on the front side and the rear side of the threshing machine body, a first separating plate which is matched with the inner wall of the threshing machine body is fixedly connected onto the pressing plate through a spring, one end of the first separating plate is hinged with the inner wall of the threshing machine body, and the first separating plate is obliquely arranged towards the first discharge port end.

Preferably, the second separating and filtering mechanism comprises a second separating plate fixedly connected with the inner wall of the thresher body, a moving groove for the moving rod to move left and right is formed in the second separating plate, a shifting device for shifting corn kernels and impurities is arranged at one end of the moving rod, a connecting groove matched with the moving rod is formed in the fifth rotating shaft, the connecting groove is formed in the surface circumference of the fifth rotating shaft, and the cross section of the connecting groove is inclined.

Preferably, the shifting device comprises a connecting rod fixedly connected with one end of the moving rod, the connecting rod is fixedly connected with a plurality of installation rods in a crossed mode, and the installation rods are provided with rake rods in contact with the upper surface of the second separation plate.

Preferably, the length of the rotating top plate is greater than the height between the first rotating shaft and the sliding groove.

The invention has the beneficial effects that:

1. set up the feed inlet that supplies feed arrangement to install through setting up thresher organism top, can pour into to the thresher internal time from feed arrangement when the corn-on-cob that will wait to thresh, the horizontal hunting through second feeding guide frame makes the corn-on-duty board of waiting to thresh, and the layering drops the feed inlet gradually on the high-low dislocation sets up the component board, blocks up the feed inlet when avoiding waiting to thresh the corn-on-duty when pouring into once.

2. Offer the spread groove with carriage release lever complex in setting up the fifth pivot, the spread groove is seted up along fifth pivot surface circumference, and the cross section of spread groove is the slope form, and the rotation that utilizes the fifth pivot drives the carriage release lever and removes about moving spread groove swivelling movement orbit to drive agitating unit and stir kernel of corn and impurity on to the second separation filter mechanism, the help kernel of corn continues to drop downwards from the second separation filter mechanism, finally from the roll-off of second discharge gate, and impurity stops on the second separation filter mechanism, promote the quality of threshing.

3. Through setting up the first stripper plate of spring fixedly connected with and threshing machine body inner wall matched with on the clamp plate, can thresh the back when threshing roller is to the corn-on-cob in the use, corn cob and kernel of corn drop downwards to first stripper plate on, exert a decurrent pressure to first stripper plate at the action of gravity, make the spring take place elastic deformation, the effort after the elastic deformation is reapplied and is made first stripper plate produce vibrations for first stripper plate, and then make things convenient for corn cob from first discharge gate roll-off.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the structure of the threshing machine body according to the invention;

FIG. 3 is a left side view of the structure of the threshing machine body according to the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 1 at A according to the present invention;

FIG. 5 is a schematic structural view of a second feeding guide frame according to the present invention;

FIG. 6 is a schematic view of a connecting groove structure according to the present invention.

The attached drawings are marked as follows: 1: a thresher body, 2: feed arrangement, 201: first feed guide frame, 202: second feed guide frame, 203: component plate, 204: c-shaped support plate, 205: first motor, 206: first rotation shaft, 207: rotating the top plate, 208: chute, 3: threshing roller, 4: first separation filter mechanism, 401: a pressing plate, 402: spring, 403: first separation plate, 5: second separation and filtration mechanism, 501: second separation plate, 502: moving bar, 503: toggle device, 5031: connecting rod, 5032: mounting rod, 5033: rake lever, 504: connecting groove, 6: first discharge gate, 7: second discharge gate, 8: drive mechanism, 801: second motor, 802: second rotation shaft, 803: driving gear plate, 804: third rotation shaft, 805: fourth rotation shaft, 806: fifth rotation shaft, 807: driven gear plate, 808: chain, 809: first transmission gear, 810: a second transmission gear.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "first", "second", "third", etc. are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

The terms "upper", "lower", "left", "right", "front", "back", "inner", "outer", and the like, refer to an orientation or positional relationship based on that shown in the drawings, or that which is conventionally used to place the product of the invention, merely to facilitate the description of the invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the invention.

Referring to fig. 1-6, a corn thresher, wherein a feed inlet for installing a feeding device 2 is arranged above a threshing machine body 1, corn cobs to be threshed are poured into the threshing machine body 1 from a feed inlet, two horizontal threshing rollers 3 are respectively arranged in the threshing machine body 1, the corn cobs entering the threshing machine body 1 are threshed by utilizing the threshing rollers 3 rotating at high speed, a first separation filtering mechanism 4 and a second separation filtering mechanism 5 are sequentially arranged below the threshing rollers 3 along the height direction, the corn kernels on the corn cobs are separated from corn cobs under the action of the first separation filtering mechanism 4, the corn kernels falling from the first separation filtering mechanism 4 to the second separation filtering mechanism 5 under the action of the second separation filtering mechanism 5 are separated from other impurities under the action of the second separation filtering mechanism 5, the threshing quality of the corn cobs is improved, and first discharge outlets 6 for the corn cobs to slide out are respectively arranged at the front side and the rear side of the threshing machine body, the first discharge port 6 is positioned above the first separation and filtration mechanism 4, so that the corncob above the first separation and filtration mechanism 4 can conveniently slide out of the first discharge port 6, the right lower side of the threshing machine body 1 is provided with a second discharge port 7 for the corn kernels to slide out, and the left side of the threshing machine body 1 is provided with a driving mechanism 8 for driving the threshing roller 3 to rotate;

the driving mechanism 8 comprises a second motor 801 fixedly arranged at the bottom of the threshing machine body 1, a second rotating shaft 802 is fixedly connected to the second motor 801, a driving gear disc 803 is fixedly arranged on the second rotating shaft 802, connecting holes for rotatably connecting a third rotating shaft 804, a fourth rotating shaft 805 and a fifth rotating shaft 806 are respectively arranged on the threshing machine body 1, one ends of the third rotating shaft 804, the fourth rotating shaft 805 and the fifth rotating shaft 806 extend into the threshing machine body 1 and are rotatably connected with the inner wall of the threshing machine body 1, driven gear discs 807 are respectively fixedly arranged on the end surfaces of the other ends of the third rotating shaft 804 and the fifth rotating shaft 806, the driving gear disc 803 and the driven gear discs are in transmission connection through a chain 808, a first transmission gear 809 and a second transmission gear 810 are respectively fixedly arranged on the surfaces of the third rotating shaft 804 and the fourth rotating shaft 805, and the first transmission gear 809 is meshed with the second transmission gear 810, the two threshing rollers 3 are respectively fixedly sleeved on the third rotating shaft 804 and the fourth rotating shaft 805.

Wherein the feeding device 2 comprises a first feeding guide frame 201 fixedly connected with the feeding hole, the inner side of the first feeding guide frame 201 is rotatably connected with a second feeding guide frame 202, the inner side wall of the second feeding guide frame 202 is fixedly provided with a component plate 203, the component plate 203 is arranged in a staggered manner in the left and right directions, the front and back sides of the second feeding guide frame 202 are respectively provided with a C-shaped support plate 204 rotatably connected with the second feeding guide frame 202, both ends of the C-shaped support plate 204 are fixedly connected with the threshing machine body 1, the threshing machine body 1 is fixedly provided with a placing platform for placing a first motor 205, the first motor 205 is fixedly connected with a first rotating shaft 206, the first rotating shaft 206 is fixedly provided with a rotating top plate 207, the outer side of the second feeding guide frame 202 is provided with a chute 208 matched with the rotating top plate 207, the first separating and filtering mechanism 4 comprises a pressing plate 401 horizontally and fixedly arranged between the first discharging holes 6 at the front and back sides of the threshing machine body, a first separation plate 403 matched with the inner wall of the threshing machine body 1 is fixedly connected on the pressure plate 401 through a spring 402, one end of the first separation plate 403 is hinged with the inner wall of the threshing machine body 1, the first separation plate 403 is obliquely arranged towards the end of the first discharge hole 6, the second separation and filtration mechanism 5 comprises a second separation plate 501 fixedly connected with the inner wall of the threshing machine body 1, the surfaces of the first separation plate 403 and the second separation plate 501 are both provided with separation and filtration holes, the second separation plate 501 is provided with a moving groove for the moving rod 502 to move left and right, one end of the moving rod 502 is provided with a shifting device 503 for shifting corn kernels and impurities, a connecting groove 504 matched with the moving rod 502 is arranged on the fifth rotating shaft 806, the connecting groove 504 is arranged along the surface circumference of the fifth rotating shaft 806, the cross section of the connecting groove 504 is oblique, the shifting device 503 comprises a connecting rod 5031 fixedly connected with one end of the moving rod 502, a plurality of mounting rods 5032 are fixedly connected on, and the installation rod 5032 is provided with a rake rod 5033 which contacts with the upper surface of the second separation plate 501, one end of the rotating top plate 207 is fixedly connected with the first rotating shaft 206, the length of the rotating top plate 207 is greater than the height between the first rotating shaft 206 and the chute 208, when the first rotating shaft 206 drives the rotating top plate 207 to rotate until the rotating top plate 207 is in an upward vertical state, the contact with the second feeding guide frame 202 lifts the second feeding guide frame 202 side up, so that the second feeding guide frame 202 is inclined, the corn cobs on the right side component plate 203 in the second feeding guide frame 202 roll to the left side and fall into the left side component plate 203 under the action of inertia force, since the component plates 203 are arranged in a staggered manner, the components will fall from the second feeding guide frame 202 to the first feeding guide frame 201, then through the feed inlet, drop to breaking away from in the organism 1 to the condition that the feed inlet was blockked up to the corn-on-cob has appeared when having avoided pouring into the corn-on-cob.

When in use, firstly, the power supply of the first motor 205 and the second motor 801 is respectively connected, then corn cobs to be threshed are poured into the threshing machine body 1 from the feeding device 2, the second motor 801 operates to drive the second rotating shaft 802 to rotate, the rotation of the second rotating shaft 802 drives the driving gear disc 803 to rotate, the rotation of the driving gear disc 803 utilizes the chain 808 to respectively drive the third rotating shaft 804 and the fifth rotating shaft 806, one end of which is fixedly connected with the driven gear disc 807, to rotate, the rotation of the third rotating shaft 804 drives the first transmission gear 809 fixedly connected with the third rotating shaft 804 to synchronously rotate, the first transmission gear 809 rotates to drive the second transmission gear 810 meshed with the first transmission gear to rotate, thereby driving the fourth rotating shaft 805 fixedly connected with the second transmission gear 810 to rotate, so that the third rotating shaft 804 and the fourth rotating shaft 805 drive the threshing roller 3 fixedly connected with the surface to rotate, and the threshing of the corn cobs is realized through the rotation of the threshing roller 3, meanwhile, when the fifth rotating shaft 806 rotates, the moving rod 502 is driven by the connecting groove 504 on the fifth rotating shaft 806 to move back and forth along with the moving track of the connecting groove 504 during rotation, at the moment, the moving rod 502 moves to drive the shifting device 503 to shift the corn kernels and impurities on the second separating and filtering mechanism 5 to drop from the first separating and filtering mechanism 4 on the upper surface of the second separating plate 501, so that the corn kernels are helped to continuously drop downwards from the second separating and filtering mechanism 5 and finally slide out from the second discharging port 7, and the impurities are stopped on the second separating and filtering mechanism 5, and the threshing quality is improved.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "provided", "connected" and "connected" are to be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features related to the different embodiments of the present invention described above may be combined with each other as long as they do not conflict with each other.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A corn thresher is characterized in that: a feed inlet for installing the feeding device (2) is formed above the threshing machine body (1), the feeding device (2) comprises a first feeding guide frame (201) fixedly connected with the feed inlet, the inner side of the first feeding guide frame (201) is rotatably connected with a second feeding guide frame (202), a component plate (203) is fixedly installed on the inner side wall of the second feeding guide frame (202), the component plate (203) is arranged in a left-right staggered mode, C-shaped supporting plates (204) rotatably connected with the second feeding guide frame (202) are arranged on the front side and the rear side of the second feeding guide frame (202), two ends of each C-shaped supporting plate (204) are fixedly connected with the threshing machine body (1), a placing platform for placing a first motor (205) is fixedly installed on the threshing machine body (1), and a first rotating shaft (206) is fixedly connected with the first motor (205), a rotating top plate (207) is fixedly installed on the first rotating shaft (206), and a sliding groove (208) matched with the rotating top plate (207) is formed in the outer side of the second feeding guide frame (202);

two horizontally arranged threshing rollers (3) are respectively arranged in a threshing machine body (1), a first separation and filtration mechanism (4) and a second separation and filtration mechanism (5) are sequentially arranged below the threshing rollers (3) along the height direction, first discharge ports (6) for corn cob to slide out are respectively formed in the front side and the rear side of the threshing machine body (1), the position of each first discharge port (6) is located above the corresponding first separation and filtration mechanism (4), a second discharge port (7) for corn kernels to slide out is formed in the lower right side of the threshing machine body (1), and a driving mechanism (8) for driving the threshing rollers (3) to rotate is arranged on the left side of the threshing machine body (1);

the driving mechanism (8) comprises a second motor (801) fixedly installed at the bottom of the threshing machine body (1), a second rotating shaft (802) is fixedly connected onto the second motor (801), a driving gear disc (803) is fixedly installed onto the second rotating shaft (802), connecting holes for rotatably connecting a third rotating shaft (804), a fourth rotating shaft (805) and a fifth rotating shaft (806) are respectively formed in the threshing machine body (1), one ends of the third rotating shaft (804), the fourth rotating shaft (805) and the fifth rotating shaft (806) extend into the threshing machine body (1) and are rotatably connected with the inner wall of the threshing machine body (1), driven gear discs (807) are fixedly installed on the end faces of the other ends of the third rotating shaft (804) and the fifth rotating shaft (806), and the driving gear disc (803) and the driven gear discs (807) are in transmission connection through chains (808), the surfaces of the third rotating shaft (804) and the fourth rotating shaft (805) are respectively and fixedly sleeved with a first transmission gear (809) and a second transmission gear (810), the first transmission gear (809) is meshed with the second transmission gear (810), and the two threshing rollers (3) are respectively and fixedly sleeved on the third rotating shaft (804) and the fourth rotating shaft (805).

2. The corn thresher of claim 1, wherein: first separation filter mechanism (4) include clamp plate (401) between first discharge gate (6) of horizontal fixed mounting both sides around threshing machine body (1), through spring (402) fixedly connected with and threshing machine body (1) inner wall matched with first separator plate (403) on clamp plate (401), the one end of first separator plate (403) is articulated with the inner wall of threshing machine body (1), and first separator plate (403) are to first discharge gate (6) end slope installation.

3. The corn thresher of claim 1, wherein: second separation and filtration mechanism (5) include with thresher body (1) inner wall fixed connection's second separation board (501), offer on second separation board (501) and supply carriage release lever (502) to remove the shifting chute about, the one end of carriage release lever (502) is equipped with toggle device (503) of stirring kernel of corn and impurity, offer on fifth pivot (806) with carriage release lever (502) complex spread groove (504), spread groove (504) are seted up along fifth pivot (806) surface circumference, and spread groove (504) transversal slope form of personally submitting.

4. A corn thresher according to claim 3, wherein: the toggle device (503) comprises a connecting rod (5031) fixedly connected with one end of the moving rod (502), a plurality of mounting rods (5032) are fixedly connected to the connecting rod (5031) in a crossed manner, and a rake rod (5033) in contact with the upper surface of the second separating plate (501) is arranged on the mounting rod (5032).

5. The corn thresher of claim 1, wherein: the length of the rotating top plate (207) is greater than the height between the first rotating shaft (206) and the sliding groove (208).