Rice and wheat threshing and selecting machine

Abstract

The present invention discloses a rice and wheat threshing and selecting machine, comprising: a selecting machine body, the selecting machine body is placed on the ground, and a driving gear is provided inside the lower end of the selecting machine body; a connecting rod, the connecting rod is located at the lower left end of the selecting machine body, and the rear side of the connecting rod is welded and fixedly connected to a limited block; a hollow rod, the hollow rod is arranged at the upper oblique side of the connecting rod, and the inner ends of the connecting rod and the hollow rod are both fixedly connected with flanges; a transfer box, the transfer box is located above the hollow rod; the rear lower side of the driving gear is meshed and connected with a first bevel gear rotatably connected to the selecting machine body. The selecting machine is convenient for conveying a mixture of peeled grains and chopped straw, and can block the straw, separate and collect the grains and straw, and is convenient for disassembling the parts of the selecting machine, so as to facilitate its replacement and maintenance.

Description

Technical Field

[0001] The invention relates to the technical field of separators, in particular to a rice and wheat threshing and separator. Background Art

[0002] A thresher is an agricultural machine that can separate rice grains from rice leaves. It is very popular among people because it can improve the efficiency of stripping grains and chopping straw, reduce labor, and save time.

[0003] During use, the existing thresher is generally not convenient for conveying and separating the mixture of peeled grains and chopped straw, and it is not convenient to disassemble the internal parts, making it inconvenient to replace and repair them. Therefore, we propose a rice and wheat threshing and selecting machine to solve the above problems. Summary of the invention

[0004] The object of the present invention is to provide a rice and wheat threshing and selecting machine to solve the problem mentioned in the above background technology that the existing threshers are generally not convenient for conveying and separating the mixture of peeled grains and chopped straw during use, and are not convenient for disassembling the internal parts, making it inconvenient for replacement and maintenance.

[0005] To achieve the above object, the present invention provides the following technical solution: a rice and wheat threshing and selecting machine, comprising:

[0006] A concentrator body, the concentrator body is placed on the ground, and a driving gear is provided through the lower end of the concentrator body;

[0007] A connecting rod, the connecting rod is located at the lower left end of the concentrator body, and the rear side of the connecting rod is welded and fixedly connected to the limiting block;

[0008] A hollow rod, wherein the hollow rod is arranged on the oblique upper side of the connecting rod, and the inner sides of the inner ends of the connecting rod and the hollow rod are fixedly connected with flanges;

[0009] A transfer box is located above the hollow rod.

[0010] Preferably, the rear lower side of the driving gear is meshingly connected with a first bevel gear rotatably connected to the selector body, and a limit block is penetrated through the outer side of the lower left end of the selector body and is engaged with it, and the connecting rod forms a connecting structure with the selector body through the limit block, and a through hole for blocking function is opened inside the lower end of the connecting rod.

[0011] Preferably, the front end lower side of the first bevel gear is meshedly connected with the second bevel gear, and the middle upper side of the second bevel gear is integrally connected with a spiral conveying rod for conveying, and the outer side of the spiral conveying rod is fittedly connected with the connecting rod and the hollow rod;

[0012] The hollow rod and the connecting rod are detachably fixedly connected via a flange, and the inclined hollow rod is snap-connected to the selection machine body.

[0013] Preferably, the outer diameter of the lower end of the transfer box is the same as the outer diameter of the hollow rod, and the transfer box and the hollow rod are detachably fixedly connected by symmetrically arranged clamps, and the transfer box and the connecting cover are respectively welded and fixedly connected with a lower material bin and a discharge pipe, and the transfer box and the lower material bin as well as the connecting cover and the discharge pipe all form a connecting structure.

[0014] Preferably, a screen penetrating through the outside of the spiral conveying rod is arranged between the transfer box and the connecting cover, and the connecting cover is nested on the outer side of the upper end of the transfer box, and the connecting cover is fixedly connected to the transfer box by screws, and a plurality of groups of blades that are closely connected to the connecting cover are symmetrically fixed to the center of the outer side of the upper end of the spiral conveying rod.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the concentrator is convenient for conveying the mixture of the stripped grains and the chopped straws, and can block the straws to separate and collect the grains and straws, and is convenient for disassembling the parts of the concentrator, thereby facilitating the replacement and maintenance thereof;

[0016] 1. A selector body, a driving gear, a first bevel gear and a second bevel gear are provided. The driving gear on the selector body is rotated, so that the spiral conveying rod is rotated under the transmission of the first bevel gear and the second bevel gear, and the mixture of the grains and chopped straws peeled from the selector body is pushed upward, so that it is convenient to screen through the screen provided between the transfer box and the connecting cover, so as to block the straws, make the grains fall from the lower bin connected to the transfer box through the rotation of the blades, and make the straws flow out from the discharge pipe on the connecting cover;

[0017] 2. A connecting rod, a through hole, a through hole and a hollow rod are provided. The through hole opened in the connecting rod can prevent the connecting rod from being blocked. The connecting rod and the hollow rod are fixed by a flange and screws, the transfer box and the hollow rod are fixed by a clamp and screws, and the connecting cover and the transfer box are fixed by screws. Therefore, it is convenient to disassemble the connection, thereby facilitating replacement and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the left structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the rear structure of the limit block of the present invention connected to the concentrator body;

[0020] Figure 3This is a schematic diagram of the three-dimensional structure of the spiral conveying rod and the connecting rod connected to each other in the present invention;

[0021] Figure 4 It is a schematic diagram of the explosion structure of the transfer box and the connection cover of the present invention;

[0022] Figure 5 It is a schematic diagram of the cross-sectional structure of the connection cover and the blades of the present invention when viewed from above.

[0023] In the figure: 1. the concentrator body; 2. the driving gear; 3. the connecting rod; 4. the limit block; 5. the first bevel gear; 6. the second bevel gear; 7. the spiral conveying rod; 8. the through hole; 9. the hollow rod; 10. the flange; 11. the transfer box; 12. the clamp; 13. the lower bin; 14. the screen; 15. the connecting cover; 16. the discharge pipe; 17. the blade. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figure 1-5 The present invention provides a technical solution: a rice and wheat threshing and selecting machine, comprising a selecting machine body 1, a connecting rod 3, a hollow rod 9 and a transfer box 11. When the selecting machine is used, Figure 1 , Figure 2 and Figure 3 First, place the rice on the inner side of the selector body 1, and then control the driving gear 2 to rotate to peel the rice and make it into a mixture of grains and chopped straw. Since the selector body 1 is connected to the connecting rod 3 limited by the limit block 4, the driving gear 2 is meshed with the first bevel gear 5 under the limit of the selector body 1, and the first bevel gear 5 is meshed with the second bevel gear 6. Therefore, in the process of peeling the rice, the driving gear 2 will drive the second bevel gear 6 to rotate through the first bevel gear 5, so as to facilitate the rotation of the spiral conveying rod 7 fitted in the connecting rod 3, so as to achieve the purpose of pushing the mixture of grains and chopped straw peeled in the selector body 1 upward;

[0026] like Figure 1 , Figure 4 and Figure 5Since the connecting rod 3 is fixedly connected to the hollow rod 9 by the flange 10 and screws, the transfer box 11 is fixedly connected to the hollow rod 9 by the clamp 12 and screws, and the screen 14 is arranged between the transfer box 11 and the connecting cover 15, and the connecting cover 15 and the transfer box 11 are fixed by screws, the screen 14 is arranged to facilitate the screening of the mixture of the peeled grains and the chopped straw, so as to block the straw and make the grains fall from the lower bin 13 connected to the transfer box 11, and make the spiral conveying rod 7 drive the blades 17 fixedly connected thereto to make the straw flow out from the discharge pipe 16 on the connecting cover 15, as shown in FIG. Figure 1 , Figure 3 and Figure 4 In this process, the through hole 8 opened in the connecting rod 3 is convenient for preventing blockage. After the use of the selector, the connection between the connecting rod 3 and the transfer box 11 and the hollow rod 9 can be disconnected, and the connection cover 15 and the transfer box 11 can be disconnected, so as to facilitate the disassembly of the parts of the selector and facilitate replacement and maintenance. The above completes a series of operations of the selector. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0027] Compared with the prior art, the beneficial effects of the present invention are as follows: the concentrator is convenient for conveying the mixture of the stripped grains and the chopped straws, and can block the straws to separate and collect the grains and straws, and is convenient for disassembling the parts of the concentrator, thereby facilitating the replacement and maintenance thereof;

[0028] 1. A selector body, a driving gear, a first bevel gear and a second bevel gear are provided. The driving gear on the selector body is rotated, so that the spiral conveying rod is rotated under the transmission of the first bevel gear and the second bevel gear, and the mixture of the grains and chopped straws peeled from the selector body is pushed upward, so that it is convenient to screen through the screen provided between the transfer box and the connecting cover, so as to block the straws, make the grains fall from the lower bin connected to the transfer box, and make the straws flow out from the discharge pipe on the connecting cover;

[0029] 2. A connecting rod, a through hole, a through hole and a hollow rod are provided. The through hole opened in the connecting rod can prevent the connecting rod from being blocked. The connecting rod and the hollow rod are fixed by a flange and screws, the transfer box and the hollow rod are fixed by a clamp and screws, and the connecting cover and the transfer box are fixed by screws. Therefore, it is convenient to disassemble the connection, thereby facilitating replacement and maintenance.

[0030] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rice and wheat threshing and selecting machine, characterized in that: include: A concentrator body (1), the concentrator body (1) being placed on the ground, and a driving gear (2) being provided through the lower end of the concentrator body (1); A connecting rod (3), the connecting rod (3) being located at the lower left end of the concentrator body (1), and the rear side of the connecting rod (3) being welded and fixedly connected to a limiting block (4); A hollow rod (9), wherein the hollow rod (9) is arranged on the oblique upper side of the connecting rod (3), and the inner sides of the inner ends of the connecting rod (3) and the hollow rod (9) are both fixedly connected with flanges (10); A transfer box (11), wherein the transfer box (11) is located above the hollow rod (9); The rear lower side of the driving gear (2) is meshingly connected with a first bevel gear (5) rotatably connected to the sieve body (1), and a limit block (4) is provided through the outer side of the lower left end of the sieve body (1) and is engaged with the limit block, and the connecting rod (3) forms a communication structure with the sieve body (1) through the limit block (4), and a through hole (8) for preventing blocking is provided inside the lower end of the connecting rod (3); The lower side of the front end of the first bevel gear (5) is meshingly connected with the second bevel gear (6), and the upper side of the middle portion of the second bevel gear (6) is integrally connected with a spiral conveying rod (7) for conveying, and the outer side of the spiral conveying rod (7) is fittedly connected to the connecting rod (3) and the hollow rod (9); The hollow rod (9) and the connecting rod (3) are detachably fixedly connected via a flange (10), and the inclined hollow rod (9) is snap-fitted to the concentrator body (1); The outer diameter of the lower end of the transfer box (11) is the same as the outer diameter of the hollow rod (9), and the transfer box (11) and the hollow rod (9) are detachably fixedly connected by symmetrically arranged clamps (12), and the transfer box (11) and the connecting cover (15) are respectively welded and fixedly connected with a lower bin (13) and a discharge pipe (16), and the transfer box (11) and the lower bin (13) as well as the connecting cover (15) and the discharge pipe (16) all form a communication structure; A screen (14) penetrating the outside of the spiral conveying rod (7) is arranged between the transfer box (11) and the connecting cover (15), and the connecting cover (15) is nested on the outer side of the upper end of the transfer box (11), and the connecting cover (15) is fixedly connected to the transfer box (11) by screws, and a plurality of groups of blades (17) that are closely connected to the connecting cover (15) are fixedly fixed to the outer side of the upper end of the spiral conveying rod (7) in a symmetrical manner.

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