Corn seed threshing device

Abstract

The utility model relates to the technical field of agricultural machinery, and discloses a corn seed threshing device which comprises a box body, the upper end of the box body is communicated with a feeding hopper, a cob outlet and a motor are arranged on the side wall of the box body in a staggered mode, and a grain outlet is formed in the side wall close to the bottom of the box body; the threshing frame is arranged in the box body, the upper end of the threshing frame is communicated with the feeding hopper, and a discharging opening is formed in the lower end of the threshing frame; the rotating shaft is rotationally connected into the threshing frame in the horizontal direction, the side wall of the rotating shaft is connected with the threshing impeller, and an output shaft of the motor penetrates through the box and is in transmission connection with the rotating shaft; the sieve plate is obliquely arranged in the box body, one end of the sieve plate is provided with an extension plate, and the extension plate extends out of the core outlet; the air blower is arranged in the box body and located below the sieve plate, and ventilation pipes are arranged on the opposite side walls of the air blower; and the storage bag is detachably connected with the outlet of the ventilation pipe. In the corn threshing process, the corn thresher can automatically clean impurities in corn kernels.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery technical field especially is related to a corn seed threshing device. BACKGROUND

[0002] With the advance of agricultural modernization, the demand for corn seed threshing device is increasing, and the corn seed threshing work is a crucial link in the whole agricultural production process, from the harvesting of corn to the subsequent processing, storage and sales, the threshing quality and efficiency directly affect the quality of seeds and the benefit of the whole industry chain.

[0003] The patent with the publication number CN211509874U discloses a novel seed threshing device, when in use, the seeds are poured into the inner side of the threshing frame through the feed hopper, the rotating shaft is driven to rotate by the servo motor, in the process of rotating, the threshing impeller is driven to rotate, in the process of rotating, the seeds can be threshed, because the discharge pipe is located at the top between the driving threshing wheel and the driven threshing wheel, by adjusting the electromagnetic valve, the seeds in the inner side of the threshing frame can be appropriately put between the driving threshing wheel and the driven threshing wheel, the driving shaft is driven to rotate by the driving motor, in the process of rotating, the first gear and the driving threshing wheel are sequentially driven to rotate, and then the second gear, the connecting shaft and the driven threshing wheel are driven to rotate, by the relative rotation of the driving threshing wheel and the driven threshing wheel, the seeds can be threshed twice, the impurities in the seeds will be left above the filter plate, the threshed seeds will drop into the inner side of the discharge hopper through the filter plate, the front of the threshing box body is movably connected with a movable door, and the worker opens the movable door to clean the impurities on the filter plate. However, the device has the following defects when in use, after the threshing and filtering process is completed, the impurities in the seeds will accumulate above the filter plate, in order to clean the impurities, the worker has to open the movable door to clean the impurities manually, during the operation of the device, the driving threshing wheel and the driven threshing wheel in the threshing box body are in a high-speed rotating state, if the worker rashly puts his hand into the device to clean the impurities without stopping the operation of the device, the worker will be easily wrapped by the high-speed rotating parts, and then a very serious safety accident will be caused, in view of this, in order to protect the personal safety of the worker, the operation of the whole device must be stopped every time when the impurities are cleaned, in this way, the operation not only interrupts the original continuous and smooth seed threshing process, but also causes the device to be idle during the cleaning period, and the working efficiency of the device is greatly reduced.

[0004] Therefore, how to automatically clean the impurities in the corn kernels during the corn threshing process becomes a technical problem to be solved by the person skilled in the art. UTILITY MODEL CONTENTS

[0005] The present invention aims to provide a corn seed threshing device to overcome the shortcomings mentioned above.

[0006] To achieve the above objectives, the technical solution of this utility model is: a corn seed threshing device, comprising:

[0007] The box has a feed hopper at the top, a core outlet and a motor at the side wall, and a particle outlet on the side wall near the bottom.

[0008] A threshing frame is arranged inside the box, with its upper end connected to the feed hopper and its lower end provided with a discharge port;

[0009] A rotating shaft is rotatably connected within the threshing frame in a horizontal direction, and its sidewall is connected to the threshing impeller. The output shaft of the motor passes through the housing and is connected to the rotating shaft for transmission.

[0010] A sieve plate is inclinedly arranged inside the box, and an extension plate is provided at one end of the sieve plate, which extends out of the core outlet.

[0011] A blower, disposed within the housing and below the sieve plate, has ventilation ducts on its opposite sidewalls; and

[0012] The storage bag is detachably connected to the outlet of the ventilation duct.

[0013] Furthermore, a protective frame is provided around the blower, and the protective frame is fixedly connected to the inner wall of the housing. The protective frame is provided with a first filter plate, and the ventilation pipe is provided with a second filter plate.

[0014] Furthermore, the protective frame has limiting grooves on its opposite sidewalls, and the first filter plate has limiting protrusions on its opposite sidewalls. The limiting grooves and limiting protrusions are compatible with each other, and the ventilation pipe and the second filter plate are fixedly connected.

[0015] Furthermore, at least one side wall of the sieve plate is provided with a spring, and the other end of the spring is fixedly connected to the side wall of the box body, and a vibrator is provided at the lower end of the sieve plate.

[0016] Furthermore, the front end of the box is open, and a door is hinged to the opening of the box. The door is equipped with a handle, and the box and the door are detachably connected.

[0017] Furthermore, the side wall of the box is provided with a fixing sleeve, the box door is provided with a connecting sleeve, the fixing sleeve and the connecting sleeve are arranged opposite to each other, the first limiting pin passes through the connecting sleeve and the fixing sleeve for detachable connection, and the end of the first limiting pin near the fixing sleeve is provided with a second limiting pin in the vertical direction.

[0018] Further, the lower end of the extension plate is provided with a bumper pad.

[0019] Further, the bottom of the box is provided with a guide plate, and the lower end of the guide plate faces the discharge opening.

[0020] Further, the storage bag and the ventilation pipe are detachably connected by a binding rope.

[0021] Further, the lower end of the box is provided with a plurality of wheels.

[0022] Compared with the prior art, the device has at least the following advantages: during use, the staff pours the corn to be threshed into the box through the feed hopper, the corn enters the threshing frame along the feed hopper, then the motor is started, the output shaft of the motor drives the rotating shaft to rotate, the rotating shaft drives the threshing impeller to rotate at high speed, the threshing impeller violently impacts and rubs the corn entering the threshing frame, so that the corn kernels are separated from the corn cobs, the separated corn cobs and corn kernels fall onto the inclined sieve plate, at this position, the corn cobs slide along the sieve plate towards the core outlet, the corn kernels fall through the sieve holes of the sieve plate, then the air blower is started, the airflow generated by the air blower is blown out through the ventilation pipe, under the action of the airflow, the corn kernels and impurities therein are separated, then the impurities in the corn kernels are collected by the storage bag, during the process of threshing the corn kernels, the corn cobs and impurities in the corn kernels are respectively discharged out of the box, without using additional labor to separate them from the corn kernels, which greatly improves the working efficiency of the device. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0024] Figure 1 It is a whole structure schematic view of the corn seed threshing device of the present application.

[0025] Figure 2 It is another angle whole structure schematic view of the corn seed threshing device of the present application.

[0026] Figure 3 It is a whole sectional view of the corn seed threshing device of the present application.

[0027] Figure 4 It is another angle whole sectional view of the corn seed threshing device of the present application.

[0028] Figure 5The utility model discloses a blast fan and the explosion chart of first filter board of blast fan.

[0029] Figure 6 The utility model discloses a structure schematic diagram of sieve plate and extension plate.

[0030] Figure 7 The utility model discloses Figure 2 The partial close -up of A area in middle.

[0031] Reference Signs: 1, box body, 2, feed hopper, 3, core outlet, 4, motor, 5, granule outlet, 6, threshing frame, 7, discharge port, 8, rotating shaft, 9, threshing impeller, 10, sieve plate, 11, extension plate, 12, blast fan, 13, ventilation pipe, 14, storage bag, 15, protection frame, 16, first filter board, 17, second filter board, 18, limiting recess, 19, limiting protruding, 20, spring, 21, vibrator, 22, anti -collision pad, 23, box door, 24, handle, 25, fixed sleeve, 26, connecting sleeve, 27, first limit pin, 28, second limit pin, 29, binding rope, 30, guide plate, 31, wheel. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0033] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0034] Refer to Figures 1-3The utility model provides a kind of corn seed threshing device, including the box 1 with inlet hopper 2 being communicated in upper end, its lateral wall is misaligned and is provided with core outlet 3 and motor 4, this kind of layout mode effectively avoids the mutual interference possibly generated between corn cob discharge and motor operation, simultaneously, the lateral wall of box 1 close to bottom is provided with kernel outlet 5, in this way, it is from structural level and guarantees that corn cob and corn kernel can realize efficient, orderly discharge separately, greatly improve the standardization and fluency of entire operation procedure;Threshing frame 6 is arranged in box 1, its upper end is communicated with inlet hopper 2, and its lower end is provided with discharge port 7;Rotary shaft 8 is rotatably connected in threshing frame 6 along horizontal direction, it is the direct transmission component of threshing power, its lateral wall is connected with threshing impeller 9, and the two are closely combined to form a strong and powerful threshing unit, the output shaft of motor 4 is connected with transmission in box 1 and rotary shaft 8, when motor 4 is powered on and starts, it drives threshing impeller 9 to rotate at high speed, the strong centrifugal force generated by its high-speed rotation and the combination with threshing impeller 9 can carry out quick and efficient threshing operation to corn entering threshing frame 6, to ensure that corn kernel can be smoothly separated from corn cob;Screen plate 10 is obliquely arranged in box 1, screen plate 10 can ensure that corn cob slides to core outlet 3 under the action of its own gravity, and also ensure that corn kernel passes through the screen hole of screen plate 10, one end of screen plate 10 is provided with extension plate 11, extension plate 11 extends out of core outlet 3, so that the clever design makes that corn cob after threshing can be smoothly sent out of box 1 along extension plate 11, avoiding the accumulation of corn cob in box 1;Blower 12 is arranged in box 1, and blower 12 is located below screen plate 10, and the opposite lateral wall is provided with ventilation pipe 13;And the outlet of ventilation pipe 13 is detachably connected with storage bag 14, storage bag 14 is referenced with material receiving bag of pulverizer, storage bag 14 is made of high-strength, wear-resistant and easy-to-clean material, can conveniently collect impurities carried out by airflow in the separation process, ensure the cleanliness of the internal environment of box 1, and also facilitate subsequent centralized treatment of impurities.

[0035] Referring to Figure 5 The peripheral side of blower 12 is provided with protection frame 15, and the inner wall of protection frame 15 and box 1 is fixedly connected by welding, and the distance between blower 12 and protection frame 15 is sufficient to ensure that the operator can operate the maintenance or replacement of blower 12, in addition, protection frame 15 is provided with first filter plate 16, ventilation pipe 13 is provided with second filter plate 17, first filter plate 16 can effectively avoid that corn kernel and impurities are rolled into the fan operation area of blower 12 with airflow, prolong the service life of blower 12, and second filter plate 17 plays a key interception role, which can accurately intercept corn kernel, so that it is not discharged from ventilation pipe 13 with impurities, to avoid unnecessary loss of corn kernel.

[0036] The opposite side walls of the protection frame 15 are provided with limiting grooves 18, and the opposite side walls of the first filter plate 16 are provided with limiting protrusions 19. The limiting grooves 18 and the limiting protrusions 19 are matched. This ingenious concave-convex matching design not only facilitates the quick installation and convenient disassembly of the first filter plate 16, but also effectively prevents the displacement and loosening of the first filter plate 16 during the operation of the equipment, thereby ensuring the stability of the filtering effect. The ventilation pipe 13 and the second filter plate 17 are fixedly connected by welding.

[0037] With reference to Figure 6 The three side walls of the sieve plate 10 are provided with springs 20, the three side walls are adjacent to the inner wall of the box body 1, and the other end of the spring 20 is fixedly connected with the side wall of the box body 1. The lower end of the sieve plate 10 is provided with a vibrator 21. After the vibrator 21 is started, in combination with the elastic buffering of the spring 20, the sieve plate 10 can produce continuous, stable and appropriate amplitude vibration. This vibration effect is like applying an invisible “boosting force” to the material, which accelerates the separation efficiency of the corn kernels and the corn cobs on the sieve plate 10, and promotes them to be discharged along their respective paths more quickly and completely.

[0038] With reference to Figure 1 The front end of the box body 1 is open, and the box door 23 is hingedly connected at the opening of the box body 1. The box door 23 is provided with a handle 24. The box body 1 and the box door 23 are detachably connected. This design facilitates the workers to open the box door 23 to perform a series of operations such as cleaning residual materials, checking the wear condition of the equipment, and repairing or replacing the easily damaged parts inside the box body 1.

[0039] With reference to Figure 7 The side wall of the box body 1 is provided with a fixed sleeve 25, and the box door 23 is provided with a connecting sleeve 26. The fixed sleeve 25 and the connecting sleeve 26 are oppositely arranged. The first limiting pin 27 penetrates the connecting sleeve 26 and the fixed sleeve 25 to be detachably connected. The end of the first limiting pin 27 close to the fixed sleeve 25 is provided with a second limiting pin 28 in the vertical direction. The longitudinal sections of the first limiting pin 27 and the second limiting pin 28 are both “T” shaped. This design not only ensures the stability of the connection between the box door 23 and the box body 1 in the closed state, and can withstand slight vibration and material impact during the operation of the equipment, but also facilitates the workers to quickly detach the first limiting pin 27 and the second limiting pin 28 and easily open the box door 23 by simple operation when it is necessary to open the box door 23.

[0040] With reference to Figure 6 The lower end of the extension plate 11 is provided with a bumper pad 22 made of high-elasticity and high-wear-resistance silica gel material. This material property enables the bumper pad 22 to effectively buffer the impact force generated by the collision when the extension plate 11 contacts the core outlet 3, thereby avoiding damage such as deformation, wear and even breakage of the extension plate 11 due to frequent collision, and ensuring the long-term stable operation of the entire device.

[0041] Referring to Figure 4 , the bottom of the box 1 is obliquely provided with a flow guide plate 30, the flow guide plate 30 is made of smooth metal plate, and the low end of the flow guide plate 30 faces the grain outlet 5, so that the corn kernels after threshing can be smoothly and quickly discharged through the grain outlet 5 under the action of gravity, effectively avoiding the accumulation of corn kernels at the bottom of the box 1, and improving the discharging efficiency.

[0042] Referring to Figure 1 , the storage bag 14 and the ventilation pipe 13 are detachably connected by the binding rope 29, the binding rope 29 is selected from high-strength and corrosion-resistant nylon rope or steel wire rope, the binding method is simple, easy to understand and firm and reliable, and the staff can quickly and easily untie the binding rope 29 after the storage bag 14 is full of impurities, clean the impurities collected in the storage bag 14, and then conveniently reinstall, without affecting the continuous operation of the device.

[0043] The box 1 is provided with four wheels 31 at the lower end, the four wheels 31 are all universal wheels with locking function, this design makes the whole device flexible to turn and freely move on the horizontal ground, the staff can easily push the device to the appropriate position according to the actual operation site requirements; and the locking function plays a key role when the device is positioned, only by simply operating the locking device, the wheels 31 can be fixed to avoid displacement of the device due to external force during threshing.

[0044] The working principle of the utility model is: in use, the staff pours the corn to be threshed into the box 1 through the feeding hopper 2, the corn enters the threshing frame 6 communicated with the feeding hopper 2, then the motor 4 is started, the output shaft of the motor 4 drives the rotating shaft 8 to rotate, and then the threshing impeller 9 connected to the side wall of the rotating shaft 8 rotates at high speed, the threshing impeller 9 relies on the strong centrifugal force generated by high-speed rotation to impact and rub the corn entering the threshing frame 6, so that the corn kernels can be quickly and efficiently separated from the corn cobs.

[0045] The separated corn cobs and corn kernels fall on the inclined sieve plate 10, under the action of gravity, the corn cobs will gradually slide along the sieve plate 10 to the core outlet 3, at the same time, the vibrator 21 on the sieve plate 10 is started, cooperating with the spring 20, so that the sieve plate 10 produces continuous, stable and appropriate amplitude vibration, which accelerates the separation of the corn kernels and the corn cobs, the corn kernels fall through the sieve holes of the sieve plate 10, while the corn cobs are sent out of the box 1 along the extension plate 11, a cart (not shown in the figure) is placed beside the box 1 to receive the sent corn cobs.

[0046] And at the same time start the blower 12, the air flow generated by the blower 12 blows through the ventilation pipe 13, under the action of the air flow, the corn kernels and the impurities in them are separated, the impurities in the corn kernels are collected by the receiving bag 14, and the degerminated corn kernels are guided by the inclined guide plate 30 at the bottom of the box body 1, slide along the smooth plate surface, and are discharged through the discharge port 5 by gravity, and a plastic cloth (not shown in the figure) can be laid below the discharge port 5 to receive the discharged corn kernels.

[0047] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0048] The above-described embodiments are only preferred modes of the present application, and do not limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements to the technical solutions of the present application made by those skilled in the art shall fall within the protection scope determined by the claims of the present application.

Claims

1. A maize seed threshing device characterized by, Include: Box (1), its upper end is communicated with feed hopper (2), its side wall is staggered and arranged with core outlet (3) and motor (4), its side wall near the bottom is arranged with grain outlet (5); Threshing frame (6), which is arranged in the box (1), the upper end of which is communicated with the feed hopper (2), and the lower end of which is provided with a discharge port (7); Rotary shaft (8), which is connected in the horizontal direction in the threshing frame (6), the side wall of which is connected with the threshing impeller (9), and the output shaft of the motor (4) is connected with the box (1) and the rotary shaft (8) in transmission; The sieve plate (10) is arranged in the box (1), one end of which is provided with an extension plate (11), and the extension plate (11) extends out of the core outlet (3); The air blower (12) is arranged in the box (1) and below the sieve plate (10), and the opposite side walls are provided with air ducts (13); And The storage bag (14) is detachably connected with the outlet of the air duct (13).

2. The maize seed threshing device of claim 1, wherein, The protection frame (15) is arranged on the side of the air blower (12), and the protection frame (15) and the inner wall of the box (1) are fixedly connected, and the protection frame (15) is provided with a first filter plate (16), and the air duct (13) is provided with a second filter plate (17).

3. The maize seed threshing device of claim 2, wherein, The opposite side walls of the protection frame (15) are provided with limiting grooves (18), and the opposite side walls of the first filter plate (16) are provided with limiting protrusions (19), and the limiting grooves (18) and the limiting protrusions (19) are matched, and the air duct (13) and the second filter plate (17) are fixedly connected.

4. The maize seed threshing device of claim 1, wherein, At least one side wall of the sieve plate (10) is provided with a spring (20), and the other end of the spring (20) and the side wall of the box (1) are fixedly connected, and the lower end of the sieve plate (10) is provided with a vibrator (21).

5. The maize seed threshing device of claim 2, wherein, The front end of the box (1) is open, and the box door (23) is hinged at the opening of the box (1), and the box door (23) is provided with a handle (24), and the box (1) and the box door (23) are detachably connected.

6. The maize seed threshing device of claim 5, wherein, The side wall of the box (1) is provided with a fixed sleeve (25), and the box door (23) is provided with a connecting sleeve (26), and the fixed sleeve (25) and the connecting sleeve (26) are oppositely arranged, and the first limiting pin (27) is detachably connected through the connecting sleeve (26) and the fixed sleeve (25), and the first limiting pin (27) is provided with a second limiting pin (28) along the vertical direction near the fixed sleeve (25).

7. The maize seed threshing device according to any one of claims 1 to 6, characterized in that, The lower end of the extension plate (11) is provided with a bumper pad (22).

8. The maize seed threshing device according to any one of claims 1 to 6, characterized in that, The bottom of the box (1) is inclined and provided with a guide plate (30), and the low end of the guide plate (30) faces the grain outlet (5).

9. The maize seed threshing device according to any one of claims 1 to 6, characterized in that, The storage bag (14) and the air duct (13) are detachably connected by the binding rope (29).

10. The maize seed threshing device according to any one of claims 1 to 6, characterized in that, The lower end of the box (1) is provided with a plurality of wheels (31).

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