CN212812872U - Small-sized rice thresher - Google Patents

Abstract

The utility model discloses a small rice thresher, which comprises a base, wherein a box body is arranged above the base, the top of the box body is hinged with a hood, the side surface of the hood is provided with a feed inlet, the inside of the box body is fixedly provided with a first screen and a second screen from top to bottom, the box body is divided into a first threshing chamber, a second threshing chamber and a collecting chamber from top to bottom by the first screen and the second screen, a first threshing mechanism is arranged in the first threshing chamber, a second threshing mechanism is arranged in the second threshing chamber, the side surface of the first threshing chamber is provided with a first discharge port, the first discharge port is positioned below the first threshing mechanism in an inclined manner, the side surface of the first threshing chamber is also provided with a crushing chamber, a crushing mechanism is arranged in the crushing chamber, and the first discharge port is communicated with; the utility model discloses a rice threshing, the rice straw that does not thresh under the combined action of first threshing chamber, second threshing chamber, obtained with the clean rice of millet hair, empty millet grain and other thin garrulous impurity complete segregation.

Description

Small-sized rice thresher

Technical Field

The utility model belongs to the technical field of agricultural machine, concretely relates to small-size rice thresher.

Background

At present, the most manual work that needs of harvesting at the rice separates corn and straw, manual separation inefficiency, and take trouble and difficultly, make user's burden big, some rice thresher have also appeared at present, however, common rice thresher often can only once thresh on the market, threshing effect is not good, often after threshing, can't carry out effective separation with the millet hair in the corn, empty millet grain or other fine crushing impurity, the purity of corn is not high, still need the manpower to carry out secondary separation, great work load that aggravates the work people, very big inconvenience has been brought for the user.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a small-size rice thresher, which can carry out secondary threshing and has good threshing effect.

The utility model discloses the technical scheme who adopts is, a small-size rice thresher, the on-line screen storage device comprises a base, the top of base is provided with the box, the articulated aircraft bonnet that is provided with in top of box, the side of aircraft bonnet is provided with the feed inlet, the inside of box is from last to fixed being provided with first screen cloth down, the second screen cloth, first screen cloth and second screen cloth divide into first threshing teeth from last to down with the box, second threshing teeth and collecting chamber, be provided with first threshing mechanism in the first threshing teeth, be provided with second threshing teeth in the second threshing teeth, the side of first threshing teeth is provided with first discharge gate, first discharge gate is located first threshing teeth's oblique below, the side of first threshing teeth still is provided with crushing chamber, the inside crushing mechanism that is provided with of crushing chamber, first discharge gate and crushing chamber are linked together.

First threshing mechanism includes the relative first bearing frame that sets up on first threshing chamber inner wall, be provided with first screw rod between two first bearing frames, the lateral wall of first threshing chamber still fixed mounting has first motor, the output shaft of first motor passes through behind the lateral wall of first threshing chamber and the first bearing frame and is connected with first screw rod through the shaft coupling, first carousel is all installed to two terminal surfaces of first screw rod, be provided with two first pivots between two first carousels, two first pivots are located the upper and lower both sides of first screw rod respectively, first pivot passes through the second bearing frame and is connected with first carousel, evenly be provided with first beating tooth in the first pivot.

The second threshing mechanism comprises third bearing seats which are oppositely arranged on the inner side wall of the second threshing chamber, a second screw rod is arranged between the two third bearing seats, a second motor is fixedly arranged on the outer side wall of the second threshing chamber, an output shaft of the second motor penetrates through the side wall of the second threshing chamber and the third bearing seats and then is connected with the second screw rod through a coupler, second turnplates are arranged on two end faces of the second screw rod, two second rotating shafts are arranged between the two second turnplates and are respectively located on the upper side and the lower side of the second screw rod, the second rotating shafts are connected with the second turnplates through fourth bearing seats, and second threshing teeth are evenly arranged on the second rotating shafts.

Preferably, the cross-sectional shapes of the first and second screens are arcs.

Preferably, the diameter of the leaking hole of the first screen is larger than that of the leaking hole of the second screen.

Preferably, the bottom of the collection chamber is provided with a collection drawer, a guide rail is arranged between the collection drawer and the collection chamber, and the outer side surface of the collection drawer is further provided with a handle.

Preferably, an inclined material guide plate is arranged between the first screen and the first discharge port, material leaking holes are also formed in the material guide plate, and an air blower is arranged at the top of the first threshing chamber.

The crushing mechanism comprises a third motor fixedly arranged on the outer side wall of the crushing chamber, a third screw rod is arranged on the inner side of the crushing chamber, two ends of the third screw rod are connected with the side wall of the crushing chamber through a fifth bearing seat, an output shaft of the third motor penetrates through the side wall of the crushing chamber and the fifth bearing seat and then is connected with the third screw rod through a coupler, crushing blades are evenly arranged on the third screw rod, a second discharge port is formed in the bottom of the side face of the crushing chamber, and a guide plate inclining downwards is arranged on the second discharge port.

The position that is close to the feed inlet on the box still is provided with controller and power respectively, and controller and power are equallyd divide and are connected with first motor, second motor, third motor and air-blower respectively.

The utility model has the advantages that:

the utility model discloses a rice thresher, the rice pole that does not thresh gets into the thresher after from the feed inlet, at first through first threshing chamber, under the effect of first threshing mechanism, the rice falls from the straw, and the rice gets into the secondary of first threshing chamber after through first screen cloth and threshes, passes through the second screen cloth at last, and finally, the parcel thing on the rice, for example if the millet hair, empty millet or other impurity in small, broken bits are whole to be separated with the rice, and final clean rice is collected.

The utility model discloses a rice thresher, clean rice is collected after full at the indoor rice of collection at last, can pull out the collection drawer through the handle, conveniently takes out the rice.

The utility model discloses a rice thresher, rice straw are after first threshing teeth, and the rice granule of the higher authority is beaten down, and under the effect of air-blower, the straw gets into after passing through the stock guide and smashes the room, under the drive of third motor, the third screw rod also begins to rotate, and the straw gets into after smashing the room, under the effect of smashing the blade, is smashed into the garrulous end of straw, and the garrulous end of straw of collection can be regarded as fertilizer.

Drawings

FIG. 1 is a schematic view of a small rice thresher according to the present invention.

In the figure, 1, a base, 2, a box body, 3, a hood, 4, a feeding hole, 5, a first screen, 6, a second screen, 7, a first threshing chamber, 8, a second threshing chamber, 9, a collecting chamber, 10, a crushing chamber, 11, a first bearing seat, 12, a first screw, 13, a first motor, 14, a first rotating shaft, 15, a second bearing seat, 16, a first beating tooth, 17, a third bearing seat, 18, a second screw, 19, a second motor, 20, a second rotating disc, 21, a second rotating shaft, 22, a fourth bearing seat, 23, a second beating tooth, 24, a collecting drawer, 25, a guide rail, 26, a guide plate, 27, 28, a third motor, 29, a third screw, 30, a fifth bearing seat, 31, a crushing blade, a 32 controller, 33, a power supply, 34, a first discharging hole, 35, a second discharging hole, 36 and a guide plate.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and the protection solutions of the present invention are not limited thereto.

The utility model provides a small-size rice thresher, as shown in figure 1, includes base 1, and the top of base 1 is provided with box 2, and the top of box 2 articulates and is provided with aircraft bonnet 3, and the side of aircraft bonnet 3 is provided with feed inlet 4, and the inside of box 2 is from last to fixedly being provided with first screen cloth 5, second screen cloth 6 down, and first screen cloth 5 and second screen cloth 6 divide into first threshing chamber 7, second threshing chamber 8 and collecting chamber 9 with box 2 from last to down, are provided with first threshing mechanism in the first threshing chamber 7, be provided with second threshing mechanism in the second threshing chamber 8, the side of first threshing chamber 7 is provided with first discharge gate 34, and first discharge gate 34 is located the oblique below of first threshing mechanism, and the side of first threshing chamber 7 still is provided with crushing chamber 10, and crushing mechanism is provided with in the crushing chamber 10, and first discharge gate 34 is linked together with crushing chamber 10.

First threshing mechanism includes relative first bearing frame 11 that sets up on first threshing teeth 7 inside wall, be provided with first screw rod 12 between two first bearing frame 11, the lateral wall of first threshing teeth 7 still fixed mounting has first motor 13, the output shaft of first motor 13 passes behind lateral wall and the first bearing frame 11 of first threshing teeth 7 and is connected with first screw rod 12 through the shaft coupling, first carousel is all installed to two terminal surfaces of first screw rod 12, be provided with two first pivots 14 between two first carousels, two first pivots 14 are located the upper and lower both sides of first screw rod 12 respectively, first pivot 14 passes through second bearing frame 15 and is connected with first carousel, evenly be provided with first beating material tooth 16 on the first pivot 14.

The second threshing mechanism comprises third bearing seats 17 which are oppositely arranged on the inner side wall of the second threshing chamber 8, a second screw 18 is arranged between the two third bearing seats 17, a second motor 19 is fixedly arranged on the outer side wall of the second threshing chamber 8, an output shaft of the second motor 19 penetrates through the side wall of the second threshing chamber 8 and the third bearing seats 17 and then is connected with the second screw 18 through a coupler, second rotating discs 20 are fixedly arranged on two end faces of the second screw 18, two second rotating shafts 21 are arranged between the two second rotating discs 20 and are respectively located on the upper side and the lower side of the second screw 18, the second rotating shafts 21 are connected with the second rotating discs 20 through fourth bearing seats 22, and second beating teeth 23 are uniformly arranged on the second rotating shafts 21.

The cross-sectional shapes of the first screen 5 and the second screen 6 are arc-shaped, and the arc-shaped screens can better enable the knocked-down rice to be gathered in the first screen or the second screen 6.

The diameter of the material leaking holes of the first screen 5 is larger than that of the material leaking holes of the second screen 6, rice passing through the first threshing chamber 7 is wrapped by grain hair, empty grains or other fine-crushed impurities, the grains enter the second threshing chamber 8 after passing through the first screen 5 which is larger than the first threshing chamber, and finally, the grains enter the collection chamber 9 through secondary filtration of the second screen 6 when passing through the second screen 6.

The bottom of collecting chamber 9 is provided with collects drawer 24, collects and is provided with guide rail 25 between drawer 24 and the collecting chamber 9, collects drawer 24 and can collect chamber 9 along guide rail 25 roll-off, still is provided with the handle on collecting drawer 24's the lateral surface, after the rice in collecting chamber 9 is collected to be full, can pull out conveniently taking out the rice through the handle with collecting drawer 24.

An inclined material guide plate 26 is arranged between the first screen 5 and the first discharge hole 34, material leaking holes are also formed in the material guide plate 26, the material leaking holes in the material guide plate 26 are used for enabling a small amount of rice particles to directly fall down and not to be brought into the crushing chamber 10, an air blower 27 is arranged at the top of the first threshing chamber 7, the air blower 27 can blow straws when working, and enables the straws to smoothly enter the crushing chamber 10, and the material guide plate 26 is also arranged for enabling the straws to more easily enter the crushing chamber 10.

The crushing mechanism is including fixed setting at the third motor 28 of crushing room 10 lateral wall, it is provided with third screw 29 to smash room 10 inboard, and the both ends of third screw 29 are connected with the lateral wall of smashing room 10 through fifth bearing seat 30, and the output shaft of third motor 28 passes and is connected with third screw 29 through the shaft coupling after smashing room 10's lateral wall and fifth bearing seat 30, evenly is provided with crushing blade 31 on the third screw 29, still include smash the side bottom of room 10 and set up second discharge gate 35, be provided with the deflector 36 of downward sloping on the second discharge gate 35, treat that the straw is smashed after, can directly overlap the sack on deflector 36, conveniently pack into the garrulous end sack of straw in.

The box body 2 is also provided with a controller 32 and a power supply 33 at positions close to the feed inlet 4, the power supply 33 is a 68V or 72V direct current power supply, the controller 32 and the power supply 33 are respectively connected with the first motor 13, the second motor 19, the third motor 28 and the blower 27, the power supply 33 supplies power for the whole device, the controller 32 controls the start and stop of the whole device, and the controller 32 is arranged at a position close to the feed inlet 4 for convenient operation.

The working principle is as follows: the utility model discloses a rice thresher during operation, at first switch on 33, let first motor 13, second motor 19, third motor 28 and air-blower 27 work respectively through controller 32 subsequently, later the manual work is put into from feed inlet 4 the rice that will arrange in order, under the drive of first motor 13, first screw rod 12 begins to rotate, then the first carousel that is connected with first screw rod 12 also begins to rotate, first carousel drives two first pivots 14 and begins to rotate when rotating, when first pivot 14 rotates, drive the rice that gets into from feed inlet 4 and rotate, and under the effect of first threshing teeth 16, rice granule is beaten down, the rice that is beaten down falls from the straw and gets into second threshing chamber 8 after passing through first screen cloth 5, after the same step in second threshing chamber 8, pass through second screen cloth 6 once more, through the combined action of the second threshing chamber 8 and the second screen 6, all the wrappage on the rice grains, such as grain hair, empty grains or other fine-grained impurities, are separated, clean rice grains enter the collection chamber 9 to be collected, and after the rice in the collection chamber 9 is fully collected, the collection drawer 24 can be pulled out through the handle 25 to conveniently take out the rice; after the rice straws pass through the first threshing chamber, rice grains on the rice straws are beaten down, under the action of the air blower 27, the straws pass through the material guide plate 26 and then enter the crushing chamber 10, under the drive of the third motor 28, the third screw 29 also starts to rotate, and after the straws enter the crushing chamber 10, the straws are crushed into straw powder under the action of the crushing blade 31.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereto, and any person skilled in the art can obviously obtain simple changes or equivalent replacements of the technical solutions within the technical scope of the present invention.

Claims (9)

1. The small rice threshing machine is characterized by comprising a base (1), wherein a box body (2) is arranged above the base (1), a hood (3) is hinged to the top of the box body (2), a feeding hole (4) is formed in the side face of the hood (3), a first screen (5) and a second screen (6) are fixedly arranged in the box body (2) from top to bottom, the box body (2) is divided into a first threshing chamber (7), a second threshing chamber (8) and a collecting chamber (9) from top to bottom through the first screen (5) and the second screen (6), a first threshing mechanism is arranged in the first threshing chamber (7), a second threshing mechanism is arranged in the second threshing chamber (8), a first discharging hole (34) is formed in the side face of the first threshing chamber (7), and the first discharging hole (34) is located below the first threshing mechanism in an inclined mode, the side of the first threshing chamber (7) is also provided with a crushing chamber (10), a crushing mechanism is arranged in the crushing chamber (10), and the first discharge hole (34) is communicated with the crushing chamber (10).

2. The small-sized rice threshing machine according to claim 1, wherein the first threshing mechanism comprises first bearing seats (11) oppositely arranged on the inner side wall of the first threshing chamber (7), a first screw (12) is arranged between the two first bearing seats (11), the outer side wall of the first threshing chamber (7) is further fixedly provided with a first motor (13), an output shaft of the first motor (13) penetrates through the side wall of the first threshing chamber (7) and the first bearing seats (11) and then is connected with the first screw (12) through a coupler, first rotating discs are respectively arranged on two end faces of the first screw (12), two first rotating shafts (14) are arranged between the two first rotating discs, the two first rotating shafts (14) are respectively arranged on the upper side and the lower side of the first screw (12), and the first rotating shafts (14) are connected with the first rotating discs through second bearing seats (15), the first rotating shaft (14) is uniformly provided with first material beating teeth (16).

3. The small-sized rice threshing machine according to claim 2, wherein the second threshing mechanism comprises third bearing seats (17) oppositely arranged on the inner side wall of the second threshing chamber (8), a second screw (18) is arranged between the two third bearing seats (17), the outer side wall of the second threshing chamber (8) is further fixedly provided with a second motor (19), an output shaft of the second motor (19) penetrates through the side wall of the second threshing chamber (8) and the third bearing seats (17) and then is connected with the second screw (18) through a coupler, the two end faces of the second screw (18) are respectively provided with a second turntable (20), two second rotating shafts (21) are arranged between the two second turntables (20), and the two second rotating shafts (21) are respectively positioned at the upper side and the lower side of the second screw (18), the second rotating shaft (21) is connected with the second rotating disc (20) through a fourth bearing seat (22), and second material beating teeth (23) are uniformly arranged on the second rotating shaft (21).

4. A small rice thresher according to claim 1 wherein said first screen (5) and said second screen (6) are arcuate in cross-sectional shape.

5. A small rice thresher according to claim 1 wherein the diameter of the discharge openings of said first screen (5) is greater than the diameter of the discharge openings of said second screen (6).

6. A small rice thresher according to claim 1 wherein a collection drawer (24) is provided at the bottom of said collection chamber (9), a guide (25) is provided between said collection drawer (24) and said collection chamber (9), and a handle is provided on the outer side of said collection drawer (24).

7. A small size rice thresher according to claim 3 wherein an inclined material guiding plate (26) is provided between said first screen (5) and said first outlet (34), said material guiding plate (26) is also provided with material leaking holes, and said first threshing chamber (7) is provided at its top with a blower (27).

8. The small rice thresher according to claim 7, wherein the crushing mechanism comprises a third motor (28) fixedly arranged on the outer side wall of the crushing chamber (10), a third screw (29) is arranged on the inner side of the crushing chamber (10), two ends of the third screw (29) are connected with the side wall of the crushing chamber (10) through a fifth bearing seat (30), an output shaft of the third motor (28) penetrates through the side wall of the crushing chamber (10) and the fifth bearing seat (30) and then is connected with the third screw (29) through a coupler, crushing blades (31) are uniformly arranged on the third screw (29), a second discharge hole (35) is formed in the bottom of the side surface of the crushing chamber (10), and a guide plate (36) which inclines downwards is arranged on the second discharge hole (35).

9. The small rice thresher according to claim 8, wherein a controller (32) and a power source (33) are respectively arranged on the box body (2) near the feeding port (4), and the controller (32) and the power source (33) are respectively connected with the first motor (13), the second motor (19), the third motor (28) and the blower (27).

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