Gravity husked rice separator

Abstract

The utility model relates to the technical field of rice processing, in particular to a gravity husked rice separator which comprises an outer shell, a feeding frame, a feeding hopper, a separating cylinder, a material distributing device, a dust suction device, a rotating device and a separating device, the feeding frame is installed at the top end of the outer shell, the feeding hopper is installed at the top end of the feeding frame, and the dust suction device is installed at the bottom end of the separating cylinder. The separating device is installed on the upper portion in the feeding frame, the dust suction device is installed in the middle in the feeding frame, the separating cylinder is installed in the shell through the rotating device, and clean airflow generated by a fan blows to falling rice, so that the rice is separated from the separating cylinder. The dust collector sucks separated dust and other fine impurities through the dust collection holes, once light impurities are sucked into the dust collector, the light impurities can be conveyed into the collection box to be stored through the conveying pipe connected to the rear end of the dust collector, and the light impurities can be effectively removed through matched use of the fan and the dust collection device. The contents of dust and impurities in a final product are reduced, and the product quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rice processing technical field, concretely is a gravity unhusked rice separating machine. BACKGROUND

[0002] It is known that the process of separating unhusked rice from brown rice is called unhusked rice separation, and the purity of brown rice and the content of brown rice in the unhusked rice separation have certain influence on the process, the less the unhusked rice in the brown rice, the more uniform the precision in the rice milling process is easy to grasp, and the product quality can be ensured.

[0003] In the rice processing industry, unhusked rice separation is one of the key steps to obtain high-quality brown rice, and traditionally, this process faces many challenges, especially in removing light impurities mixed in the unhusked rice, including but not limited to dust, chaff, and small debris, which not only affects the purity and quality of the final brown rice, but also may interfere with the normal flow and distribution of materials during the separation process, resulting in low separation efficiency and insufficient precision. SUMMARY

[0004] (I) Technical problems solved

[0005] In view of the deficiencies of the prior art, the utility model provides a gravity unhusked rice separating machine.

[0006] (II) Technical solutions

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a gravity unhusked rice separating machine, comprising a shell, a feeding frame, a feeding hopper, a separating cylinder, a distributing device, a dust collection device, a rotating device and a separating device, the top end of the shell is provided with the feeding frame, the top end of the feeding frame is provided with the feeding hopper, the upper part in the feeding frame is provided with the distributing device, the middle part in the feeding frame is provided with the dust collection device, the separating cylinder is installed in the shell through the rotating device, the separating device is installed in the separating cylinder, the dust collection device comprises a mounting frame, a filter plate, a fan, a dust collector, a dust collection hole, a transmission pipe and a collection box, the front end side wall of the feeding frame is embeddedly provided with the mounting frame, the outer wall of the mounting frame is provided with the filter plate, the mounting frame is provided with the fan, the rear end side wall of the feeding frame is embeddedly provided with the dust collector, a plurality of groups of dust collection holes are formed in one end of the dust collector close to the fan, the rear end of the dust collector is provided with the transmission pipe, and the output end of the transmission pipe is provided with the collection box.

[0008] In order to facilitate the realization of the separation of rice and chaff, the utility model improves, the separation device includes sieve hole, first motor, pivot, separation shaft and separation rod, the lower part lateral wall of separation cylinder is provided with multiple sieve holes, the inner bottom wall of shell is rotatably installed with separation cylinder, the top wall of shell is installed with first motor, the output end of first motor is installed with pivot through the top wall of shell, the outer wall of pivot is annularly installed with multiple separation shafts, the outer wall of separation shaft is annularly installed with multiple separation rods.

[0009] In order to realize the rotation of the separation cylinder, the utility model improves, the rotating device includes through slot, gear ring, pinion and second motor, one end lateral wall of shell is provided with through slot, the outer wall of separation cylinder is fixedly installed with gear ring, the lateral wall of shell is installed with second motor, the output end of second motor is installed with pinion, the pinion is meshedly connected through the through slot and the gear ring.

[0010] In order to separate the grain in the feed hopper, the utility model improves, the separating device includes third motor, rotating rod and distributing plate, the lateral wall of feed frame is installed with third motor, the output end of third motor is installed with rotating rod through the lateral wall of feed frame and extends to the feed frame, the outer wall of rotating rod is annularly installed with multiple distributing plates.

[0011] Preferably, the utility model improves, the distributing plate is provided with multiple discharge grooves at one end away from the rotating rod.

[0012] Preferably, the utility model improves, the lower portion of the separation cylinder is obliquely installed with a guide plate, and the end of the shell close to the lowest part of the guide plate is installed with a discharge frame.

[0013] Preferably, the utility model improves, the first motor, the second motor and the third motor are all servo motors.

[0014] Preferably, the utility model improves, the bottom end of the shell is installed with supporting legs at four corners.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a gravity grain separator, which has the following beneficial effects:

[0017] The gravity paddy and husk separator, through the setting of the dust suction device, can effectively remove light impurities such as dust and fine debris in the paddy, thereby significantly reducing the impurity content in the final product and improving the purity of the paddy, and through the removal of light impurities, ensures the uniform distribution and smooth flow of the material in the separation cylinder, thereby improving the efficiency and accuracy of the entire separation process, and the speed of the fan can be adjusted according to different types of paddy or processing requirements to achieve the best dust suction effect, and the adaptability of the equipment to various working conditions is enhanced.

[0018] The gravity paddy and husk separator, through the setting of the rotating device and the separating device, the first motor drives the rotating shaft to drive the separating shaft and the separating rods to rotate, which constantly turns and stirs the material during rotation, ensuring effective separation of paddy and husk, and the design of the separating rods helps to push the material to the sieve hole position and break up the material lumps that may form, thereby improving the separation efficiency and accuracy, and the cooperative work of the rotating device and the separating device ensures rapid and efficient separation of the material, greatly shortens the processing time and increases the output per unit time.

[0019] The gravity paddy and husk separator, through the setting of the material distribution device, the third motor drives the rotating rod and the material distribution plates thereon to rotate, which constantly agitates the paddy and husk mixture falling from the feed hopper, disperses the concentrated falling material, and ensures that the material can be evenly distributed in the feed frame, and the presence of the discharge chute allows the material to be dispersed not only by the pushing action of the material distribution plates, but also to be further refined by the discharge chute, ensuring that the material can be more evenly distributed into the subsequent processing stage. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a first angle three-dimensional structure schematic view of the utility model;

[0021] Figure 2 It is a second angle three-dimensional structure schematic view of the utility model;

[0022] Figure 3 It is a half cut three-dimensional structure schematic view of the shell and the separation cylinder of the utility model;

[0023] Figure 4 It is a half cut three-dimensional structure schematic view of the feed frame and the feed hopper of the utility model.

[0024] In the figure: 1, the shell; 2, feed frame; 3, feed hopper; 4, separation cylinder; 5, mounting frame; 6, filter plate; 7, fan; 8, dust collector; 9, dust absorption hole; 10, transmission pipe; 11, collection box; 12, sieve hole; 13, first motor; 14, rotating shaft; 15, separation shaft; 16, separation rod; 17, through slot; 18, gear ring; 19, pinion; 20, second motor; 21, third motor; 22, rotating rod; 23, distribution plate; 24, discharging slot; 25, guide plate; 26, discharging frame; 27, supporting leg. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Please refer to Figures 1-4The utility model provides a gravity chaff separator, including shell 1, feed frame 2, feed hopper 3, separation cylinder 4, distribution device, dust collection device, rotating device and separation device, the top of shell 1 is installed feed frame 2, the top of feed frame 2 is installed feed hopper 3, the upper portion in feed frame 2 is installed distribution device, the middle portion in feed frame 2 is installed dust collection device, the separation cylinder 4 is installed in shell 1 through rotating device, the separation device is installed in separation cylinder 4, dust collection device includes installation frame 5, filter plate 6, fan 7, dust collector 8, dust collection hole 9, transmission pipe 10 and collection box 11, the front end lateral wall of feed frame 2 is embeddedly installed installation frame 5, the outer wall of installation frame 5 is installed filter plate 6, fan 7 is installed in installation frame 5, the rear end lateral wall of feed frame 2 is embeddedly installed dust collector 8, and the one end of dust collector 8 is close to fan 7 and is provided with multiple groups of dust collection holes 9, and the rear end of dust collector 8 is installed transmission pipe 10, and the output end of transmission pipe 10 is installed collection box 11, in the embodiment, when using, first, rice is entered equipment through top installed feed hopper 3, and is evenly distributed through the distribution device in the upper portion in feed frame 2, this step ensures that material can continuously and evenly enter subsequent processing stage, avoids the problems, such as material accumulation and jam, and guarantees the smooth progress of subsequent process, when material starts to move downwards, dust collection device in the middle portion of feed frame 2 starts, first, fan 7 in installation frame 5 is activated, generates a airflow, in order to guarantee that the wind that blows to rice is as clean as possible, filter plate 6 is installed in front of fan 7, it can filter out the larger particulate matter that possibly exists in air, makes the airflow more clean, along with the clean airflow that fan 7 generates blows to the rice that is falling, the airflow helps the light impurities (such as dust, debris) in rice from the heavier material, simultaneously, dust collector 8 embeddedly installed in the rear end lateral wall of feed frame 2 also starts to work, and dust collector 8 sucks the separated dust and other small impurities through dust collection hole 9, once light impurities are sucked into dust collector 8, they are transported to collection box 11 for storage through transmission pipe 10 connected to the rear end of dust collector 8, the cooperation of fan 7 and dust collection device can effectively remove light impurities, reduces the dust and impurity content in final product, improves product quality, and material subsequently enters separation cylinder 4 driven by rotating device, and the separation device in separation cylinder 4 separates material according to the density difference (heavier brown rice and lighter chaff) of material, and the rotating action makes material roll in the cylinder body, and utilizes gravity to accelerate the separation process.

[0027] In actual use, further facilitate the separation of brown rice and chaff, in this embodiment, the separating device includes sieve hole 12, first motor 13, rotating shaft 14, separation shaft 15 and separation rod 16, the lower side wall of the separating cylinder 4 is provided with a plurality of sieve holes 12, the inner bottom wall of the shell 1 is rotatably installed with the separating cylinder 4, the top wall of the shell 1 is installed with the first motor 13, the output end of the first motor 13 is installed with the rotating shaft 14 penetrating through the top wall of the shell 1, the outer wall of the rotating shaft 14 is annularly installed with a plurality of separation shafts 15, the outer wall of the separation shaft 15 is annularly installed with a plurality of separation rods 16, after the rice is uniformly distributed through the feeding frame 2 and the distributing device, it enters the rotating separating cylinder 4, when the separating cylinder 4 rotates, with the continuous rotation of the separating cylinder 4, the heavier brown rice particles can fall out through the sieve hole 12 and fall into the collection area, while the larger impurities that do not pass through the sieve hole 12 or the mixture that cannot be completely separated will continue to stay in the cylinder for further processing until the whole separation process is completed, the first motor 13 drives the rotating shaft 14 to rotate, and then drives the plurality of separation shafts 15 and separation rods 16 installed thereon to rotate, these separation rods 16 continuously turn and stir the material during rotation, so that the brown rice and chaff are further separated, the design of the separation rod 16 helps to push the material to the sieve hole 12 position, and also can scatter the material lumps that may be formed, ensuring better separation effect.

[0028] In actual use, further realize the rotation of the separating cylinder 4, in this embodiment, the rotating device includes a through slot 17, a gear ring 18, a pinion 19 and a second motor 20, one end side wall of the shell 1 is provided with the through slot 17, the outer wall of the separating cylinder 4 is fixedly installed with the gear ring 18, the side wall of the shell 1 is installed with the second motor 20, the output end of the second motor 20 is installed with the pinion 19, the pinion 19 is connected through the through slot 17 and the gear ring 18, when the equipment runs, the second motor 20 starts to work, with the second motor 20 driving the pinion 19 to rotate, due to the meshing action between the pinion 19 and the gear ring 18, the gear ring 18 rotates, and then drives the whole separating cylinder 4 to rotate around its axis, this design ensures that the separating cylinder 4 can rotate smoothly and continuously, the rotation of the separating cylinder 4 makes the brown rice and chaff and other materials inside the cylinder tumble and slide, the heavier brown rice tends to be close to the bottom of the cylinder due to gravity and may fall through the sieve hole 12, while the lighter chaff remains in the separating cylinder 4.

[0029] In actual use, the husked rice in the feeding hopper 3 is further divided, and in this embodiment, the dividing device includes a third motor 21, a rotating rod 22 and a dividing plate 23. The third motor 21 is installed on the side wall of the feeding frame 2, and the output end of the third motor 21 penetrates through the side wall of the feeding frame 2 and extends into the feeding frame 2 to install the rotating rod 22. The outer wall of the rotating rod 22 is annularly installed with a plurality of groups of dividing plates 23. After the third motor 21 is started, the rotating rod 22 is driven to rotate through the output end thereof. With the rotation of the rotating rod 22, the dividing plates 23 fixed thereon also rotate. These dividing plates 23 continuously agitate the husked rice mixture falling from the feeding hopper 3 to disperse the concentrated falling material, so that the material can be uniformly distributed in the feeding frame 2, preventing accumulation or local overload. The uniformly distributed material is more easily subjected to the next separation procedure, improving the efficiency and effect of the entire processing flow.

[0030] Preferably, in this embodiment, a plurality of groups of discharge grooves 24 are formed at the end of the dividing plate 23 away from the rotating rod 22. The presence of the discharge grooves 24 allows the material to be dispersed not only by the pushing action of the dividing plate 23, but also by the discharge grooves 24 to further refine the material flow. In this way, the material can be more finely distributed in a smaller space, avoiding material agglomeration or large block accumulation, and ensuring that the material can be more uniformly fed into the subsequent processing stage.

[0031] Preferably, in this embodiment, a guide plate 25 is obliquely installed below the separation cylinder 4, and a discharge frame 26 is installed on the end of the housing 1 near the lowest part of the guide plate 25. The oblique design of the guide plate 25 ensures that the husked rice screened from the separation cylinder 4 can smoothly slide along the predetermined path. This design reduces the risk of material blockage, ensuring a continuous and efficient production process. By reasonably setting the angle and position of the guide plate 25, the separated material can be accurately guided to the designated area (i.e., the discharge frame 26), avoiding material scattering or misentry into other parts, and improving the collection efficiency.

[0032] Preferably, in this embodiment, the first motor 13, the second motor 20 and the third motor 21 are all servo motors. Servo motors allow very fine adjustment of the rotational speed, ensuring that the material can be processed at the optimal speed at different stages, improving the processing quality and efficiency.

[0033] Preferably, in this embodiment, support legs 27 are installed at the four corners of the bottom end of the housing 1. The support legs 27 can provide a stable foundation for the entire device, ensuring that the device remains stable during operation. A stable foundation can reduce vibration and shaking, reducing the safety risks caused by mechanical instability.

[0034] In order to explain the possible application scenarios, technical principles, specific schemes that can be implemented, purposes and effects, etc. of the present application in detail, the specific embodiments listed below are combined with the drawings for detailed description. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, but cannot limit the protection scope of the present application.

[0035] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A gravity husked grain separator comprising a housing (1), a feed frame (2), a feed hopper (3), a separation cylinder (4), a distribution device, a dust extraction device, a rotating device and a separating device, characterized in that: The top end of the shell (1) is provided with the feeding frame (2), the top end of the feeding frame (2) is provided with the feeding hopper (3), the upper part of the feeding frame (2) is provided with the distributing device, the middle part of the feeding frame (2) is provided with the dust collection device, the shell (1) is provided with the separation cylinder (4) through the rotating device, the separation cylinder (4) is provided with the separating device, the dust collection device comprises a mounting frame (5), a filter plate (6), a fan (7), a dust collector (8), a dust collection hole (9), a transmission pipe (10) and a collection box (11), the front end side wall of the feeding frame (2) is embeddedly provided with the mounting frame (5), the outer wall of the mounting frame (5) is provided with the filter plate (6), the mounting frame (5) is provided with the fan (7), the rear end side wall of the feeding frame (2) is embeddedly provided with the dust collector (8), the dust collector (8) is provided with a plurality of groups of dust collection holes (9) at one end close to the fan (7), the rear end of the dust collector (8) is provided with the transmission pipe (10), and the output end of the transmission pipe (10) is provided with the collection box (11).

2. A gravity husker according to claim 1, characterized in that: The separating device comprises screen holes (12), a first motor (13), a rotating shaft (14), a separation shaft (15) and a separation rod (16), the lower side wall of the separation cylinder (4) is provided with a plurality of groups of screen holes (12), the bottom wall of the shell (1) is rotatably provided with the separation cylinder (4), the top wall of the shell (1) is provided with the first motor (13), the output end of the first motor (13) penetrates the top wall of the shell (1) and is provided with the rotating shaft (14), the outer wall of the rotating shaft (14) is annularly provided with a plurality of groups of separation shafts (15), and the outer wall of the separation shaft (15) is annularly provided with a plurality of groups of separation rods (16).

3. A gravity husker according to claim 2, characterized in that: The rotating device comprises a through groove (17), a gear ring (18), a pinion (19) and a second motor (20), one end side wall of the shell (1) is provided with the through groove (17), the outer wall of the separation cylinder (4) is fixedly provided with the gear ring (18), the side wall of the shell (1) is provided with the second motor (20), the output end of the second motor (20) is provided with the pinion (19), and the pinion (19) is connected in meshing connection through the through groove (17) and the gear ring (18).

4. A gravity husker according to claim 3, characterized in that: The distributing device comprises a third motor (21), a rotating rod (22) and a distributing plate (23), the side wall of the feeding frame (2) is provided with the third motor (21), the output end of the third motor (21) penetrates the side wall of the feeding frame (2) and extends into the feeding frame (2) and is provided with the rotating rod (22), and the outer wall of the rotating rod (22) is annularly provided with a plurality of groups of distributing plates (23).

5. A gravity husker according to claim 4, characterized in that: The end, away from the rotating rod (22), of the distributing plate (23) is provided with a plurality of groups of discharging grooves (24).

6. A gravity husker according to claim 5, characterized in that: The lower part of the separation cylinder (4) is provided with a guide plate (25), and the shell (1) is provided with a discharging frame (26) at one end close to the lowest part of the guide plate (25).

7. A gravity husker according to claim 6, characterized in that: The first motor (13), the second motor (20) and the third motor (21) are all servo motors.

8. A gravity husker according to claim 7, characterized in that: The bottom end of the shell (1) is provided with support legs (27) at four corners.

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