Threshing machine for rice breeding

Abstract

The utility model relates to the field of threshers, and discloses a thresher for rice breeding, which comprises a screening box and a threshing box, the threshing box is fixedly arranged on the top of the screening box, the top of the threshing box is provided with a feed port, and the bottom of the threshing box is provided with a discharge port communicated with the screening box. The same driving shaft is rotationally installed on the inner walls of the two sides of the threshing box, a threshing roller is installed on the driving shaft, threshing blocks used for rice threshing are installed on the inner walls of the threshing roller and the threshing box, a first impurity discharging hole is formed in the inner wall of one side of the screening box, and a rotating shaft is rotationally installed on the inner wall of the other side of the screening box; and one end of the rotating shaft is fixedly provided with blowing fan blades, and the same rotating shaft is rotationally installed on the inner walls of the front side and the rear side of the screening box. The rice threshing and screening device has the advantages that the threshing roller and the blowing fan blades can be driven to rotate through the driving motor, meanwhile, the screening plate can be driven to vibrate in a reciprocating mode, and therefore the purpose of threshing and screening rice can be achieved.

Description

Technical Field

[0001] This utility model relates to the field of threshing machine technology, and in particular to a threshing machine for rice breeding. Background Technology

[0002] Rice is a cereal crop belonging to the genus Oryza. The grain produced by rice is called paddy. After removing the husk, paddy is called brown rice. After milling away the bran layer, white rice is obtained. Nearly half of the world's population relies on rice as their staple food. In addition to being edible, rice can also be used for brewing, sugar production, and as an industrial raw material. Rice husks and straw can be used as livestock feed. Patent document CN219893901U discloses a rice threshing machine, including a threshing box. A collection component is located on the right side of the threshing box and communicates with the right side of its inner wall. The collection component includes a collection box. The collection box is located on the right side of the threshing box. A connecting pipe is located on the left side of the inner wall of the collection box and communicates with the right side of the inner wall of the threshing box. A filter plate is located above the connecting pipe inside the collection box. A suction fan with its output end attached to the top of the filter plate is located on the top wall of the collection box.

[0003] In practical use, it was found that while rice husks and small particles can be removed during rice threshing, larger particles mixed in with the rice grains, making it difficult to screen out the larger particles during threshing. Therefore, we proposed a rice threshing machine for breeding to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a rice threshing machine for rice breeding, which can drive the threshing roller and the blower blades to rotate via a drive motor, and at the same time drive the screening plate to reciprocate and vibrate, thereby achieving the purpose of threshing and screening rice.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a rice thresher for breeding, comprising a screening box and a threshing box, wherein the threshing box is fixedly installed on the top of the screening box, the top of the threshing box is provided with a feed inlet, the bottom of the threshing box is provided with a discharge port connected to the screening box, the same drive shaft is rotatably installed on the inner walls of both sides of the threshing box, a threshing roller is installed on the drive shaft, and threshing blocks for rice threshing are installed on both the threshing roller and the inner wall of the threshing box;

[0006] A first discharge hole is provided on one inner wall of the screening box, and a rotating shaft is rotatably installed on the other inner wall of the screening box. A blower fan blade is fixedly installed at one end of the rotating shaft. The same rotating shaft is rotatably installed on the front and rear inner walls of the screening box. A screening plate is fixedly installed on the rotating shaft. A second discharge hole is provided on the other inner wall of the screening box, and one end of the screening plate extends into the second discharge hole.

[0007] Through the above technical scheme, the driving motor can drive the threshing roller and the air blowing fan blade to rotate, and can drive the screening plate to reciprocating vibrate, so that the purpose of threshing and screening rice can be achieved.

[0008] The further setting of the utility model is that the other side inner wall of the screening box is fixedly installed with a fixed plate, the top of the fixed plate is fixedly installed with a plurality of return springs, the top of the return spring is fixedly installed on the screening plate, the top of the screening plate is fixedly installed with a U-shaped frame, an eccentric wheel is fixedly installed on the rotating shaft, and the eccentric wheel is in contact with the U-shaped frame.

[0009] Through the above technical scheme, the cooperation of the eccentric wheel and the return spring can realize the reciprocating vibration of the screening plate.

[0010] The further setting of the utility model is that one side of the screening box is fixedly installed with a mesh frame with an open bottom, one side of the screening box is fixedly installed with a supporting seat, and the supporting seat is placed with a collecting box at the top, and the collecting box is below the mesh frame.

[0011] Through the above technical scheme, the supporting seat can be placed with the collecting box, the mesh frame can block the blown chaff, and the blocked chaff can fall into the collecting box.

[0012] The further setting of the utility model is that the other side of the screening box is fixedly installed with a control box, the top of the control box is fixedly installed with a driving motor, the top and bottom inner walls of the control box are rotatably installed with a transmission shaft, the output shaft of the driving motor is fixedly connected with the transmission shaft, a driving mechanism is arranged between the transmission shaft and the driving shaft, and a transmission mechanism is arranged between the transmission shaft and the rotating shaft.

[0013] Through the above technical scheme, the driving motor can drive the threshing roller and the transmission shaft to rotate.

[0014] The further setting of the utility model is that the driving mechanism comprises a driving bevel gear and a driven bevel gear, the driving bevel gear is fixedly installed on the transmission shaft, the driven bevel gear is fixedly installed on the driving shaft, and the driving bevel gear is engaged with the driven bevel gear.

[0015] Through the above technical scheme, the rotation of the transmission shaft can drive the driving shaft, the threshing roller and the threshing block to rotate through the cooperation of the driving bevel gear and the driven bevel gear, the rotation of the threshing roller and the threshing block can shell the rice grains, the chaff and the rice are separated, and the purpose of threshing is achieved.

[0016] The further setting of the utility model is that the transmission mechanism includes a main bevel gear and a secondary bevel gear, the main bevel gear is fixedly installed on the transmission shaft, the secondary bevel gear is fixedly installed on the rotating shaft, and the main bevel gear is engaged with the secondary bevel gear.

[0017] Through the cooperation of the main bevel gear and the secondary bevel gear, the transmission shaft can drive the rotating shaft and the blowing fan blade to rotate, the blowing fan blade can blow the discharged chaff to the direction of the impurity discharging hole one, and the chaff can enter the collecting box for collection.

[0018] The further setting of the utility model is that the front side of the screening box is provided with a placing hole, the bottom of the screening box is provided with a collecting shell, the collecting shell is matched with the placing hole, rotating holes are formed in the inner walls of the two sides of the threshing box, and the driving shaft is rotationally connected with the rotating holes.

[0019] Through the cooperation of the main bevel gear and the secondary bevel gear, the transmission shaft can drive the rotating shaft and the blowing fan blade to rotate, the blowing fan blade can blow the discharged chaff to the direction of the impurity discharging hole one, and the chaff can enter the collecting box for collection.

[0020] The utility model discloses the beneficial effect is:

[0021] (1), the rice particle is added to the threshing box through the feed inlet, the driving motor is started, the driving motor can drive the transmission shaft to rotate, the transmission shaft can drive the driving shaft and the threshing roller and the threshing block to rotate through the cooperation of the driving bevel gear and the driven bevel gear, the threshing roller and the threshing block can be shelled to the rice particle, realize chaff and rice separation, thereby realize the purpose of threshing;

[0022] (2), when the threshed rice and chaff enter the screening box through the discharge port, the transmission shaft can drive the rotating shaft and the blowing fan blade to rotate through the cooperation of the main bevel gear and the secondary bevel gear, the blowing fan blade can blow the discharged chaff to the direction of the impurity discharging hole one, and the chaff can enter the collecting box for collection;

[0023] (3), when the rotating shaft rotates, the rotating shaft can drive the eccentric wheel to rotate, the rotation of the eccentric wheel can extrude the U-shaped frame and the screening plate downwards, the screening plate can rotate around the rotating shaft, the screening plate can compress the return spring, when the eccentric wheel rotates a circle, the return spring can reset the screening plate, when the eccentric wheel rotates continuously, the screening plate can vibrate, and the large particle impurities in the rice can be screened, and the qualified rice can penetrate the screening plate and enter the collecting shell for collection. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present application shall fall within the scope of the present application.

[0025] Figure 1 is a three-dimensional structure schematic diagram of a rice breeding threshing machine according to the present application;

[0026] Figure 2 is a sectional three-dimensional structure schematic diagram of a rice breeding threshing machine according to the present application;

[0027] Figure 3 is an A structure schematic diagram of a rice breeding threshing machine according to the present application;

[0028] Figure 4 is a B structure schematic diagram of a rice breeding threshing machine according to the present application.

[0029] In the drawings, 1 is a screening box; 2 is a threshing box; 3 is a feeding port; 4 is a discharging port; 5 is a first impurity discharge hole; 6 is a net frame; 7 is a supporting seat; 8 is a collecting box; 9 is a second impurity discharge hole; 10 is a rotating shaft; 11 is a screening plate; 12 is a fixed plate; 13 is a return spring; 14 is a control box; 15 is a driving shaft; 16 is a threshing roller; 17 is a threshing block; 18 is a driving motor; 19 is a transmission shaft; 20 is a driving mechanism; 21 is a rotating shaft; 22 is a blowing fan blade; 23 is a transmission mechanism; 24 is an eccentric wheel; and 25 is a U-shaped frame. DETAILED DESCRIPTION

[0030] The technical scheme of the present application will be described clearly and completely in combination with specific embodiments. Obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the scope of the present application.

[0031] When a component is referred to as "provided on" another component, it can be directly on the other component or there can be a middle component, and "provided" means an existing mode, which can be a connection, installation, fixed connection, active connection, etc. When a component is referred to as "connected" to another component, it can be directly connected to the other component or there can be a middle component.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0033] Referring to Figures 1-4 The utility model provides a kind of threshing machine for rice breeding, including screening box 1 and threshing box 2, threshing box 2 is fixedly installed on the top of screening box 1, the top of threshing box 2 is equipped with feed inlet 3, the bottom of threshing box 2 is equipped with with the blanking port 4 being linked with screening box 1, same drive shaft 15 is rotatably installed on the two side inner walls of threshing box 2, drive shaft 15 is installed with threshing roller 16, threshing roller 16 and the inner wall of threshing box 2 are all installed with threshing block 17 for rice threshing, screening box 1 one side inner wall is equipped with with the hole one 5, the other side inner wall of screening box 1 is rotatably installed with rotating shaft 21, one end of rotating shaft 21 is fixedly installed with air-blast fan blade 22, the front side and rear side inner wall of screening box 1 are rotatably installed with same rotating shaft 10, rotating shaft 10 is fixedly installed with screening plate 11, the other side inner wall of screening box 1 is equipped with with the hole two 9, and one end of screening plate 11 extends into the hole two 9.

[0034] Specifically, the other side inner wall of screening box 1 is fixedly installed with fixed plate 12, the top of fixed plate 12 is fixedly installed with multiple return springs 13, the top end of return spring 13 is fixedly installed on screening plate 11, the top of screening plate 11 is fixedly installed with U-shaped frame 25, eccentric wheel 24 is fixedly installed on rotating shaft 21, and eccentric wheel 24 is in contact with U-shaped frame 25.

[0035] Specifically, the one side of screening box 1 is fixedly installed with the net frame 6 with open bottom, the one side of screening box 1 is fixedly installed with support seat 7, support seat 7 is placed with collection box 8 on the top, and collection box 8 is below net frame 6.

[0036] Specifically, the other side of screening box 1 is fixedly installed with control box 14, the top of control box 14 is fixedly installed with driving motor 18, the top and bottom inner wall of control box 14 is rotatably installed with transmission shaft 19, the output shaft of driving motor 18 is fixedly connected with transmission shaft 19, driving mechanism 20 is arranged between transmission shaft 19 and drive shaft 15, and transmission mechanism 23 is arranged between transmission shaft 19 and rotating shaft 21.

[0037] Specifically, driving mechanism 20 includes driving bevel gear and driven bevel gear, driving bevel gear is fixedly installed on transmission shaft 19, driven bevel gear is fixedly installed on drive shaft 15, and driving bevel gear is engaged with driven bevel gear.

[0038] Specifically, the transmission mechanism 23 comprises a main bevel gear and a secondary bevel gear, the main bevel gear is fixedly installed on the transmission shaft 19, the secondary bevel gear is fixedly installed on the rotating shaft 21, and the main bevel gear is engaged with the secondary bevel gear.

[0039] Specifically, the front side of the screening box 1 is provided with a placing hole, and the bottom of the screening box 1 is provided with a collecting shell which is matched with the placing hole; the inner walls of the two sides of the threshing box 2 are both provided with rotating holes, and the driving shaft 15 is rotatably connected with the rotating holes.

[0040] Working principle: the rice particles are added into the threshing box 2 through the feeding port 3, the driving motor 18 is started, the driving motor 18 can drive the transmission shaft 19 to rotate, the driving of the transmission shaft 19 can drive the driving shaft 15, the threshing roller 16 and the threshing block 17 to rotate through the cooperation of the driving bevel gear and the driven bevel gear, the rotation of the threshing roller 16 and the threshing block 17 can thresh the rice particles, realize the separation of the chaff and the rice, and thus realize the threshing purpose; when the threshed rice and chaff enter the screening box 1 through the discharge port 4, the transmission shaft 19 can drive the rotating shaft 21 and the air-blowing fan blade 22 to rotate through the cooperation of the main bevel gear and the secondary bevel gear, the air-blowing fan blade 22 can blow the discharged chaff to the direction of the impurity discharging hole 5, so that the chaff can be collected in the collecting box 8; when the rotating shaft 21 rotates, the rotating shaft 21 can drive the eccentric wheel 24 to rotate, the rotation of the eccentric wheel 24 can extrude the U-shaped frame 25 and the screening plate 11 downward, so that the screening plate 11 can rotate around the rotating shaft 10 as the center, and the screening plate 11 can compress the return spring 13; when the eccentric wheel 24 rotates one circle, the return spring 13 can push the screening plate 11 to reset; when the eccentric wheel 24 continuously rotates, the screening plate 11 can be vibrated to screen the large-particle impurities in the rice, and the qualified rice can penetrate the screening plate 11 and enter the collecting shell for collection.

[0041] The rice breeding threshing machine provided by the utility model is described in detail. The principle and implementation mode of the utility model are described by applying specific examples. The above description of the examples is only used to help understand the method and core idea of the utility model. It should be pointed out that the ordinary skilled in the art can make some improvements and modifications to the utility model without departing from the principle of the utility model, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. A rice breeding dehuller characterized by comprising: Including screening box (1) and thresher box (2), the thresher box (2) is fixedly installed on the top of screening box (1), the top of thresher box (2) is provided with feed inlet (3), the bottom of thresher box (2) is provided with discharge port (4) communicated with screening box (1), the both sides of thresher box (2) are rotatably provided with the same drive shaft (15), the drive shaft (15) is provided with threshing roller (16), and the threshing roller (16) and the inner wall of thresher box (2) are provided with threshing block (17) for rice threshing; The one side of screening box (1) is provided with impurity discharge hole one (5), the other side of screening box (1) is rotatably provided with rotary shaft (21), one end of rotary shaft (21) is fixedly provided with air fan blade (22), the front and rear sides of screening box (1) are rotatably provided with the same rotating shaft (10), the rotating shaft (10) is fixedly provided with screening plate (11), the other side of screening box (1) is provided with impurity discharge hole two (9), and one end of screening plate (11) extends into impurity discharge hole two (9).

2. A rice breeding dehuller as claimed in claim 1, wherein: The other side of screening box (1) is fixedly provided with fixed plate (12), the top of fixed plate (12) is fixedly provided with multiple return springs (13), and the top of return spring (13) is fixedly installed on screening plate (11).

3. The rice breeding dehuller as claimed in claim 1, wherein: The top of screening plate (11) is fixedly provided with U-shaped frame (25), the rotary shaft (21) is fixedly provided with eccentric wheel (24), and the eccentric wheel (24) is in contact with U-shaped frame (25).

4. The rice breeding threshing machine according to claim 1, wherein: The one side of screening box (1) is fixedly provided with mesh frame (6) with open bottom, the one side of screening box (1) is fixedly provided with support seat (7), the top of support seat (7) is placed with collecting box (8), and collecting box (8) is below mesh frame (6).

5. The rice breeding dehuller as claimed in claim 1, wherein: The other side of screening box (1) is fixedly provided with control box (14), the top of control box (14) is fixedly provided with driving motor (18), the top and bottom inner walls of control box (14) are rotatably provided with transmission shaft (19), and the output shaft of driving motor (18) is fixedly connected with transmission shaft (19).

6. A rice breeding de-husker as claimed in claim 5 wherein: The driving mechanism (20) is arranged between transmission shaft (19) and drive shaft (15), and the transmission mechanism (23) is arranged between transmission shaft (19) and rotary shaft (21).

7. The rice breeding threshing machine according to claim 6, wherein: The driving mechanism (20) comprises driving bevel gear and driven bevel gear, the driving bevel gear is fixedly installed on transmission shaft (19), the driven bevel gear is fixedly installed on drive shaft (15), and the driving bevel gear is engaged with the driven bevel gear.

8. The rice breeding threshing machine according to claim 6, wherein: The transmission mechanism (23) comprises main bevel gear and auxiliary bevel gear, the main bevel gear is fixedly installed on transmission shaft (19), the auxiliary bevel gear is fixedly installed on rotary shaft (21), and the main bevel gear is engaged with the auxiliary bevel gear.

9. The rice breeding threshing machine according to claim 1, wherein: The front side of screening box (1) is provided with placing hole, and the bottom of screening box (1) is placed with collecting shell, and the collecting shell is matched with the placing hole.

10. The de-husk machine for rice breeding according to claim 1, wherein: The both sides of thresher box (2) are provided with rotating holes, and the drive shaft (15) is rotatably connected with the rotating holes.

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