Corn seed threshing device

Abstract

The utility model relates to the technical field of corn threshing, in particular to a corn seed threshing device which comprises a bottom plate and a box body, a screen drum is fixedly connected in the box body, a rotating roller is arranged in the screen drum, connecting shafts are fixedly connected to the left end face and the right end face of the rotating roller, and the two connecting shafts are rotationally connected with the screen drum. The rotating roller is of a hollow structure, a plurality of supporting plates are arranged in the rotating roller, a lead screw is rotationally connected to the interior of the rotating roller, threaded sleeves are in threaded connection with the two ends of the outer wall of the lead screw, a plurality of circumferentially-distributed first hinged supports are fixedly connected to the outer walls of the two threaded sleeves, and connecting rods are hinged to the outer walls of the first hinged supports; the outer walls, close to the lead screws, of the multiple supporting plates are fixedly connected with two symmetrically-distributed second hinged supports, the rotary knobs, the lead screws, the threaded rods, the first hinged supports, the connecting rods, the second hinged supports, the supporting rods and the threshing rods are matched, the two threaded sleeves can be driven to move oppositely or oppositely, and therefore the length of the portions, extending out of the rotary rollers, of the threshing rods is adjusted; therefore, the device is suitable for corn cobs of different batches and specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of corn threshing, and specifically discloses a corn seed threshing device. Background Art

[0002] With the development of agriculture, the replacement of manual labor by machinery is an essential part. Improving the processing efficiency of products, saving production costs, and enhancing processing quality have always been the directions for manufacturers to improve machinery. A corn thresher refers to a mechanical device for threshing corn ears. Due to its characteristics such as high production efficiency, good threshing quality, simple operation, simple structure, durability, reliable work, and convenient use and maintenance, it has been deeply welcomed by farmers for many years.

[0003] However, the internal cavity of the existing corn seed threshing device cannot be adjusted. Therefore, different threshing effects will be produced for corn cob raw materials of different batches and specifications. For small-sized corn cob raw materials, it is easy to cause incomplete threshing. For large-sized corn cob raw materials, it is easy to get stuck and the broken rate of corn kernels is high. Summary of the Utility Model

[0004] The utility model aims at the above problems and proposes a corn seed threshing device to solve the above problems.

[0005] The utility model is realized as follows. A corn seed threshing device includes a bottom plate and a box body. A sieve cylinder is fixedly connected inside the box body. A rotating roller is arranged inside the sieve cylinder. Both left and right end faces of the rotating roller are fixedly connected with connecting shafts. Both of the connecting shafts are rotationally connected with the sieve cylinder. The rotating roller is of a hollow structure and multiple circumferentially distributed support plates are arranged inside. A lead screw is rotationally connected inside the rotating roller. Threaded sleeves are threadedly connected to both ends of the outer wall of the lead screw. Multiple circumferentially distributed first hinge seats are fixedly connected to the outer walls of both of the threaded sleeves. Connecting rods are hinged to the outer walls of multiple first hinge seats. Two symmetrically distributed second hinge seats are fixedly connected to the outer walls of multiple support plates close to the lead screw. The other ends of multiple connecting rods are respectively hinged to multiple second hinge seats. Multiple uniformly distributed threshing rods are fixedly connected to the outer walls of multiple support plates far from the lead screw. Through holes matching the threshing rods are formed in the outer wall of the rotating roller. The threshing rods are slidably connected with the rotating roller through the through holes.

[0006] To facilitate driving the rotating roller to rotate, as a preferred embodiment of the corn seed threshing device of the utility model, an installation plate is fixedly connected to the right end face of the box body. A driving motor is installed on the upper end face of the installation plate. The output end of the driving motor is fixedly connected with the connecting shaft on the right side.

[0007] To facilitate the rotation of the lead screw, as an optimization of the corn seed threshing device of the present utility model, the left end of the lead screw extends to the outside of the left coupling shaft and is fixedly connected with a knob.

[0008] To facilitate the lead screw to drive the two threaded sleeves to move relatively or away from each other, as an optimization of the corn seed threshing device of the present utility model, the thread directions on the left and right sides of the lead screw are opposite.

[0009] To facilitate the movement of the corn cob in the sieve cylinder, as an optimization of the corn seed threshing device of the present utility model, the sieve cylinder is inclined.

[0010] To facilitate feeding and discharging, as an optimization of the corn seed threshing device of the present utility model, a feed inlet is provided on the upper end surface of the box body, the feed inlet is communicated with the sieve cylinder, a corn cob core outlet is opened on the left end surface of the box body, the corn cob core outlet is communicated with the sieve cylinder, and a corn kernel outlet is provided at the lower end of the box body.

[0011] To facilitate controlling the equipment, as an optimization of the corn seed threshing device of the present utility model, a controller is provided on the front end surface of the box body, and the driving motor is electrically connected to the controller.

[0012] Compared with the prior art, the beneficial effects of the present utility model are:

[0013] For this kind of corn seed threshing device, through the cooperation of the knob, lead screw, threaded rod, first hinge seat, connecting rod, second hinge seat, support rod and threshing rod, the two threaded sleeves can be driven to move relatively or away from each other, so as to adjust the length of the threshing rod extending out of the roller, so as to be applicable to corn cobs of different batches and specifications, solving the problems that the previous corn threshing device is prone to incomplete threshing for small-sized corn cob raw materials, and is prone to jamming and high corn kernel breakage rate for large-sized corn cob raw materials. Description of the Drawings

[0014] Figure 1 It is the overall structure diagram of a corn seed threshing device of the present utility model;

[0015] Figure 2 It is the front view sectional view of a corn seed threshing device of the present utility model;

[0016] Figure 3 For the present utility model Figure 2 The enlarged view at A in;

[0017] Figure 4 It is the structure diagram of the roller of the present utility model;

[0018] Figure 5 It is the structure diagram of the support plate of the present utility model.

[0019] In the figure, 1 is the bottom plate; 2 is the box body; 3 is the sieve cylinder; 4 is the rotating roller; 5 is the coupling shaft; 6 is the lead screw; 7 is the threaded sleeve; 8 is the first hinge seat; 9 is the connecting rod; 10 is the support plate; 11 is the second hinge seat; 12 is the threshing rod; 13 is the through hole; 14 is the mounting plate; 15 is the driving motor; 16 is the knob; 17 is the feed inlet; 18 is the corncob outlet; 19 is the corn kernel outlet; 20 is the controller. Detailed implementation manners

[0020] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0021] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model. In addition, in the description of the present utility model, the meaning of "a plurality of" is two or more, unless otherwise specifically defined.

[0022] Please refer to Figures 1-5 , a corn seed threshing device, including a bottom plate 1 and a box body 2. Inside the box body 2, a sieve cylinder 3 is fixedly connected. Inside the sieve cylinder 3, a rotating roller 4 is arranged. Both left and right end faces of the rotating roller 4 are fixedly connected with coupling shafts 5. Both coupling shafts 5 are rotatably connected to the sieve cylinder 3. The rotating roller 4 is of a hollow structure and internally provided with a plurality of support plates 10 distributed circumferentially. Inside the rotating roller 4, a lead screw 6 is rotatably connected. Both ends of the outer wall of the lead screw 6 are threadedly connected with threaded sleeves 7. The outer walls of both threaded sleeves 7 are fixedly connected with a plurality of first hinge seats 8 distributed circumferentially. The outer walls of a plurality of first hinge seats 8 are all hinged with connecting rods 9. Both sides of the outer walls of a plurality of support plates 10 close to the lead screw 6 are fixedly connected with two symmetrically distributed second hinge seats 11. The other ends of a plurality of connecting rods 9 are respectively hinged with a plurality of second hinge seats 11. The outer walls of a plurality of support plates 10 far from the lead screw 6 are fixedly connected with a plurality of evenly distributed threshing rods 12. A plurality of through holes 13 matching the threshing rods 12 are formed in the outer wall of the rotating roller 4. The threshing rods 12 are slidably connected to the rotating roller 4 through the through holes 13.

[0023] In this embodiment: By rotating the screw rod 6 through the knob 16, the thread directions on both sides of the screw rod 6 are opposite. Further, the two threaded sleeves 7 are driven by the screw rod 6 to move relatively or away from each other. Then, a plurality of support plates 10 are driven by the connecting rod 9 to slide synchronously inward or outward relative to the screw rod 6. Further, a plurality of threshing rods 12 are driven to slide inward or outward, and the length of the threshing rods 12 extending out of the through holes 13 is adjusted, so as to be applicable to corn cobs of different batches and specifications, solving the problems that the previous corn shedding device is prone to incomplete threshing for small-sized corn cob raw materials, and is prone to jamming and high corn kernel breakage rate for large-sized corn cob raw materials.

[0024] As a technical optimization scheme of the present utility model, an installation plate 14 is fixedly connected to the right end face of the box body 2, and a driving motor 15 is installed on the upper end face of the installation plate 14. The output end of the driving motor 15 is fixedly connected to the right-side coupling shaft 5.

[0025] In this embodiment: Start the driving motor 15, the driving motor 15 drives the right-side coupling shaft 5 to rotate, and then drives the roller 4 and the threshing rods 12 to rotate, so as to thresh the corn cobs in the sieve cylinder 3. By driving the roller 4 to rotate through the driving motor 15, it is time-saving and labor-saving.

[0026] As a technical optimization scheme of the present utility model, the left end of the screw rod 6 extends to the outside of the left-side coupling shaft 5 and is fixedly connected with a knob 16.

[0027] In this embodiment: By extending the left end of the screw rod 6 to the outside of the left-side coupling shaft 5 and fixedly connecting the knob 16, it is convenient to rotate the screw rod 6 through the knob 16.

[0028] As a technical optimization scheme of the present utility model, the thread directions on the left and right sides of the screw rod 6 are opposite.

[0029] In this embodiment: By setting the thread directions on the left and right sides of the screw rod 6 to be opposite, it is convenient for the screw rod 6 to drive the two threaded sleeves 7 to move relatively or away from each other when rotating.

[0030] As a technical optimization scheme of the present utility model, the sieve cylinder 3 is inclined.

[0031] In this embodiment: By inclining the sieve cylinder 3, it is convenient for the corn cobs to move towards the inclined side in the sieve cylinder 3, so as to facilitate threshing.

[0032] As a technical optimization scheme of the present utility model, a feed inlet 17 is arranged on the upper end face of the box body 2. The feed inlet 17 is communicated with the sieve cylinder 3. A corn cob core outlet 18 is opened on the left end face of the box body 2. The corn cob core outlet 18 is communicated with the sieve cylinder 3. A corn kernel outlet 19 is arranged at the lower end of the box body 2.

[0033] In this embodiment: By providing a feed inlet 17 on the upper end face of the box body 2, it is convenient to feed corn cobs into the box body 2. By opening a corncob outlet 18 on the left end face of the box body 2, it is convenient to discharge corncobs. By providing a corn kernel outlet 19 at the lower end of the box body 2, it is convenient to discharge corn kernels.

[0034] As a technical optimization scheme of the present utility model, a controller 20 is provided on the front end face of the box body 2, and the driving motor 15 is electrically connected to the controller 20.

[0035] In this embodiment: Controlling the device through the controller 20 saves time and effort and improves the degree of automation.

[0036] The working principle and usage process of the present utility model: When in use, first start the driving motor 15, and then feed the corn cobs into the screening cylinder 3 through the feed inlet 17. The driving motor 15 drives the coupling 5 on the right side to rotate, and then drives the rotating roller 4 and the threshing rods 12 to rotate, so as to thresh the corn cobs in the screening cylinder 3. After threshing, the corncobs are discharged from the corncob outlet 18 out of the box body 2. After the corn kernels enter the box body 2 from the screening cylinder 3, they are discharged from the corn kernel outlet 19 out of the box body 2. When it is necessary to adjust the length of the threshing rods 12 protruding, rotate the screw rod 6 through the knob 16. The thread directions on both sides of the screw rod 6 are opposite, and then drive the two threaded sleeves 7 to move relatively or away from each other through the screw rod 6, and then drive a plurality of support plates 10 to slide synchronously inward or outward relative to the screw rod 6 through the connecting rod 9, and then drive a plurality of threshing rods 12 to slide inward or outward, so as to adjust the length of the threshing rods 12 protruding from the through holes 13, so as to be applicable to corn cobs of different batches and specifications, solving the problems that the previous corn threshing devices are prone to incomplete threshing for small-sized corn cob raw materials, and are prone to jamming and high corn kernel breakage rate for large-sized corn cob raw materials.

[0037] The above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A corn seed threshing device, comprising a bottom plate (1) and a housing (2), characterized in that: The box body (2) is fixedly connected to a screen drum (3) inside, a roller (4) is arranged inside the screen drum (3), the left and right end surfaces of the roller (4) are fixedly connected to connecting shafts (5), the two connecting shafts (5) are rotatably connected to the screen drum (3), the roller (4) is a hollow structure and is provided with a plurality of circumferentially distributed support plates (10) inside, the roller (4) is rotatably connected to a screw rod (6) inside, the two ends of the outer wall of the screw rod (6) are threadedly connected to threaded sleeves (7), the outer walls of the two threaded sleeves (7) are fixedly connected to a plurality of circumferentially distributed first hinge seats (8), and the plurality of first hinge seats (8) are fixedly connected to the outer walls of the first hinge seats (8). The outer walls of the first hinge seats (8) are hinged with connecting rods (9); the outer walls of the plurality of support plates (10) close to the screw rod (6) are fixedly connected to two symmetrically distributed second hinge seats (11); the other ends of the plurality of connecting rods (9) are respectively hinged to the plurality of second hinge seats (11); the outer walls of the plurality of support plates (10) away from the screw rod (6) are fixedly connected to a plurality of evenly distributed threshing rods (12); the outer wall of the roller (4) is provided with a plurality of through holes (13) matching the threshing rods (12); the threshing rods (12) are slidably connected to the roller (4) through the through holes (13).

2. A corn seed threshing device according to claim 1, characterized in that: The right end surface of the box body (2) is fixedly connected to a mounting plate (14), the upper end surface of the mounting plate (14) is mounted with a driving motor (15), and the output end of the driving motor (15) is fixedly connected to the connecting shaft (5) located on the right side.

3. A corn seed threshing device according to claim 1, characterized in that: The left end of the screw rod (6) extends to the outside of the left connecting shaft (5) and is fixedly connected to a knob (16).

4. A corn seed threshing device according to claim 1, characterized in that: The threads on the left and right sides of the screw rod (6) are in opposite directions.

5. A corn seed threshing device according to claim 1, characterized in that: The screen drum (3) is arranged inclined.

6. A corn seed threshing device according to claim 1, characterized in that: The upper end surface of the box body (2) is provided with a feed inlet (17), and the feed inlet (17) is connected to the sieve drum (3). The left end surface of the box body (2) is provided with a corn cob outlet (18), and the corn cob outlet (18) is connected to the sieve drum (3). The lower end of the box body (2) is provided with a corn kernel outlet (19).

7. A corn seed threshing device according to claim 2, characterized in that: A controller (20) is provided on the front end surface of the box body (2), and the drive motor (15) is electrically connected to the controller (20).

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