Impurity removing equipment for grain processing

By combining the storage hopper and the feeding roller with the design of the flow guiding mechanism, the problem of low dispersion when grain is fed is solved, achieving better separation of husks and dust, and improving the air separation efficiency of grain processing equipment.

CN224101251UActive Publication Date: 2026-04-10辽宁省粮食和物资储备事务服务中心(辽宁省粮食检验检测中心)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing grain processing equipment has low dispersion when grain is fed in, which affects the air separation effect of husks and dust.

Method used

The material is fed quantitatively using a combination of a storage hopper and a feeding roller. Combined with a flow guiding mechanism and guide plate design, the grain dispersion is improved, and impurities are removed by impeller blowing.

Benefits of technology

It improves the separation effect of husks and dust in grains and increases the efficiency of air separation operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of grain processing, in particular to impurity removing equipment for grain processing. The impurity removing equipment for grain processing comprises a separating box, a feeding opening is formed in the upper end of the separating box, a discharging opening and a waste discharging opening are formed in the side portion of the separating box, the impurity removing equipment further comprises a storage hopper, the storage hopper is fixed to the feeding opening in the upper end of the separating box, and a long-strip-shaped discharging opening is formed in the lower end of the storage hopper; the discharging mechanism comprises a discharging roller rotationally arranged in the storage hopper, a plurality of annularly-distributed grooves are formed in the outer wall of the circumference of the discharging roller, and any groove can correspond to the discharging opening of the storage hopper; and the flow guide mechanism is mounted on the separation box. According to the impurity removing equipment for grain processing, quantitative discharging is carried out through the discharging mechanism, the scattering degree of grains can be higher, and therefore the separating effect on rice husks and dust is better during winnowing operation.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of grain processing especially relates to an impurity removing equipment for grain processing. BACKGROUND

[0002] Grain refers to plant seeds, fruits and their processed products that can be used as food, mainly including cereals, beans, tubers and the like. Grain is the basic material for human survival and development and is an important component of national economy.

[0003] The patent CN 222402271 U discloses a grain screening and impurity removing equipment for grain processing. The first shaft is driven to rotate by the motor, so that the eccentric wheel on the first shaft lifts the lifting plate up and down, and the spring makes the screening frame continuously vibrate, thereby achieving the purpose of continuously vibrating the grain. The grain is separated, and the efficiency of screening and impurity removing of the grain is improved. The first pulley, the belt and the second pulley drive the second shaft to rotate when the first shaft is driven to rotate by the motor, so that the fan blows air into the hopper. When the grain falls from the feed inlet, the fan blows the chaff and dust in the grain out of the impurity outlet, further improving the screening and impurity removing effect of the grain.

[0004] However, the following defects and deficiencies exist in the application process:

[0005] The device removes the chaff and dust in the grain by air separation. However, when the grain is put into the air separation equipment, the dispersion degree of the grain is low, which affects the air separation effect of the chaff and dust.

[0006] Therefore, it is necessary to provide a new impurity removing equipment for grain processing to solve the above technical problems. UTILITY MODEL CONTENT

[0007] To solve the above technical problems, the utility model provides an impurity removing equipment for grain processing.

[0008] The impurity removing equipment for grain processing comprises a separation box, the upper end of the separation box is provided with a feeding opening, the side part is provided with a discharge opening and a waste discharge opening, and the impurity removing equipment further comprises:

[0009] A storage hopper is fixed to the feeding opening at the upper end of the separation box, and the lower end of the storage hopper is provided with a long strip-shaped discharge opening.

[0010] A discharging mechanism comprises a discharging roller rotating in the storage hopper, a plurality of annular grooves are formed in the circumferential outer wall of the discharging roller, and any groove can correspond to the discharge opening of the storage hopper.

[0011] A flow guide mechanism is mounted on the separation tank.

[0012] Preferably, the inner bottom of the separation tank is further fixed with a guide plate in the shape of an inverted V, and the two ends of the guide plate correspond to the discharge opening and the waste discharge opening of the side of the separation tank, respectively.

[0013] Preferably, the side of the separation tank is further fixed with a first discharge hopper and a second discharge hopper corresponding to the discharge opening and the waste discharge opening.

[0014] Preferably, the side of the storage hopper is further fixed with a third discharge hopper through a connecting frame, and the third discharge hopper is located directly below the storage hopper.

[0015] Preferably, one side of the separation tank is further bolted with a motor, the output end of the motor is fixed with a transmission shaft arranged concentrically, the transmission shaft penetrates the storage hopper and is rotationally connected thereto, and the discharge roller is fixed concentrically on the transmission shaft.

[0016] Preferably, the flow guide mechanism comprises a mounting cylinder, both ends of the mounting cylinder have openings, a shell cover is integrally connected to the outer circumferential wall of the mounting cylinder, the shell cover communicates with the mounting cylinder, the shell cover is bolted to the separation tank, further extends into the interior of the separation tank, and is provided with an air outlet;

[0017] The inner part of the mounting cylinder is further rotationally connected with a rotating shaft through a positioning frame, one end of the rotating shaft is fixed with a belt pulley, and an impeller located in the inner part of the mounting cylinder is further fixed.

[0018] Compared with the related art, the impurity removing equipment for grain processing has the following beneficial effects:

[0019] In the impurity removing equipment for grain processing, the dosing mechanism is used for dosing, so that the dispersion degree of the grain is higher, and therefore the separation effect of the chaff and dust is better when the winnowing operation is performed. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structure diagram of a preferred embodiment of the impurity removing equipment for grain processing is provided.

[0021] Figure 2 The structure diagram of the flow guide mechanism is shown. Figure 1 The structure diagram of the other side is shown.

[0022] Figure 3 The structure diagram of the guide plate is shown.

[0023] Figure 4 The structure diagram of the cooperation connection of the storage hopper and the dosing mechanism is shown.

[0024] Figure 5 The utility model discloses a Figure 4 A structure schematic diagram of enlarged structure of A place;

[0025] Figure 6 The utility model discloses a structure schematic diagram of guide mechanism.

[0026] The figure mark: 1, separation tank;11, guide plate;12, first downcomer;13, second downcomer;2, storage hopper;21, connecting frame;22, third downcomer;3, downcomer mechanism;31, motor;32, transmission shaft;33, downcomer roll;34, recess;4, guide mechanism;41, installation cylinder;42, shell cover;43, positioning frame;44, rotating shaft;45, belt pulley;46, impeller. DETAILED DESCRIPTION

[0027] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0028] In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0029] In the description of the utility model, it is understood that, unless otherwise specifically provided and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood in a broad sense, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following will be further described in detail by combining with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0031] The specific implementation of the utility model will be described in detail in combination with specific examples.

[0032] Referring to Figures 1 to 6 The utility model discloses an impurity removing equipment for grain processing, which comprises a separation box 1, wherein the upper end of the separation box 1 is provided with a feeding opening, and the side part is provided with a discharging opening and a waste discharge opening; and the utility model further comprises:

[0033] A storage hopper 2 is fixed to the upper end of the separation box 1, and the lower end of the storage hopper 2 is provided with a long strip-shaped discharge opening.

[0034] A discharging mechanism 3 comprises a discharging roller 33 rotating in the storage hopper 2, wherein the circumferential outer wall of the discharging roller 33 is provided with a plurality of annular grooves 34, and any groove 34 can correspond to the discharge opening of the storage hopper 2.

[0035] A flow guide mechanism 4 is installed on the separation box 1.

[0036] It should be noted that in the device, the storage hopper 2 is arranged at the upper end of the separation box 1, so that the grain to be screened can be concentrated and fed into the storage hopper 2, and then continuously discharged, thereby reducing the frequency of feeding.

[0037] The discharge opening at the lower end of the storage hopper 2 is in a long strip shape, and the discharging roller 33 rotating in the storage hopper 2 is arranged inside the discharge opening. The circumferential outer wall of the discharging roller 33 is provided with the grooves 34. When the discharging roller 33 rotates, the grain in the storage hopper 2 enters the grooves 34. After the grooves 34 correspond to the discharge opening, the grain can be discharged, realizing quantitative discharging of the grain and making the discharged grain more dispersed, which is better for the air separation operation. In addition, the discharging roller 33 can also stir the grain in the storage hopper 2 when rotating, ensuring the normal operation of the discharging operation.

[0038] The flow guide mechanism 4 is the main structure for accelerating the flow of air, thereby realizing the screening of the chaff and dust in the grain (the driving source of the flow guide mechanism 4 and the vibrating screening structure in the device are described in detail in the cited document "CN 222402271 U", which will not be described in detail here, and is not shown in the drawings).

[0039] In the embodiment of the utility model, referring to Figure 3 The bottom of the separation box 1 is further fixed with a guide plate 11 in the shape of an inverted V, the two ends of the guide plate 11 correspond to the discharging opening and the waste discharge opening of the side part of the separation box 1, and the side part of the separation box 1 is further fixed with a first discharging hopper 12 and a second discharging hopper 13 corresponding to the discharging opening and the waste discharge opening.

[0040] It should be noted that: the guide plate 11 has the interception effect, so that the separated grain and chaff can be better separated, and the separated grain and chaff are guided out through the first discharge hopper 12 and the second discharge hopper 13 respectively.

[0041] In the embodiment of the utility model, please refer to Figure 4 The third discharge hopper 22 is fixed on the side of the storage hopper 2 through the connecting frame 21, and the third discharge hopper 22 is located directly below the storage hopper 2.

[0042] It should be noted that: when the grain is guided out of the storage hopper 2, it will directly fall into the third discharge hopper 22, and the dispersion degree of the grain can be further improved through the third discharge hopper 22, thereby further improving the screening effect of the air separation.

[0043] In the embodiment of the utility model, please refer to Figure 4 And Figure 5 The motor 31 is bolted on one side of the separation box 1, the output end of the motor 31 is fixed with the transmission shaft 32 arranged concentrically, the transmission shaft 32 penetrates the storage hopper 2 and is rotatably connected thereto, and the discharge roller 33 is fixed concentrically on the transmission shaft 32.

[0044] It should be noted that: when the discharge mechanism 3 is used, the transmission shaft 32 is driven to rotate by the motor 31, and the discharge roller 33 is driven to rotate, so that the discharge roller 33 is used for continuous discharge.

[0045] In the embodiment of the utility model, please refer to Figure 6 The guide mechanism 4 comprises a mounting cylinder 41, both ends of the mounting cylinder 41 have openings, and a shell cover 42 is integrally connected to the circumferential outer wall of the mounting cylinder 41, the shell cover 42 communicates with the mounting cylinder 41, the shell cover 42 is bolted on the separation box 1, and further extends into the separation box 1 and is provided with an air outlet;

[0046] The mounting cylinder 41 is further rotatably connected with a rotating shaft 44 through a positioning frame 43, one end of the rotating shaft 44 is fixed with a belt pulley 45, and the other end is fixed with an impeller 46 located in the mounting cylinder 41.

[0047] It should be noted that: when the guide mechanism 4 is used, the rotating shaft 44 is driven to rotate at high speed through the belt pulley 45, and the impeller 46 is driven to rotate, the impeller 46 can push the airflow to flow quickly when rotating, that is, the airflow enters along both ends of the mounting cylinder 41, and then is guided out through the air outlet in the shell cover 42, so as to blow away the chaff and dust in the grain.

[0048] The circuit and control involved in the utility model are prior art, and will not be described in detail here.

[0049] The above are only embodiments of the present application, and do not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A kind of impurity removing equipment for grain processing, including separation tank (1), separation tank (1) upper end has feeding opening, side each has discharge opening and waste outlet, it is characterized in that, Also include: The storage hopper (2) is fixed to the upper end of the separation tank (1) feeding opening, the lower end of the storage hopper (2) has a long strip-shaped discharge port; The discharging mechanism (3) includes a discharging roller (33) rotating in the storage hopper (2), the circumferential outer wall of the discharging roller (33) is provided with a plurality of annular grooves (34), and any groove (34) can correspond to the discharge port of the storage hopper (2); The flow guide mechanism (4) is installed on the separation tank (1).

2. The foreign matter removing apparatus for grain processing according to claim 1, characterized by, The bottom of the separation tank (1) is also fixed with a guide plate (11) in the shape of an inverted V, and the two ends of the guide plate (11) correspond to the discharge opening and the waste discharge port of the side of the separation tank (1), respectively.

3. The foreign matter removing apparatus for grain processing according to claim 2, characterized by, The side of the separation tank (1) is also fixed with a first discharging hopper (12) and a second discharging hopper (13) corresponding to the discharge opening and the waste discharge port.

4. The foreign matter removing apparatus for grain processing according to claim 1, characterized by The side of the storage hopper (2) is also fixed with a third discharging hopper (22) through a connecting frame (21), and the third discharging hopper (22) is located directly below the storage hopper (2).

5. The foreign matter removing apparatus for grain processing according to claim 1, characterized by, One side of the separation tank (1) is also bolted with a motor (31), the output end of the motor (31) is fixed with a transmission shaft (32) arranged concentrically, the transmission shaft (32) penetrates the storage hopper (2) and is rotatably connected thereto, and the discharging roller (33) is fixed concentrically on the transmission shaft (32).

6. The foreign matter removing apparatus for grain processing according to claim 1, characterized by The flow guide mechanism (4) includes a mounting cylinder (41), both ends of the mounting cylinder (41) have openings, and a shell cover (42) is integrally connected to the circumferential outer wall of the mounting cylinder (41), the shell cover (42) is connected to the mounting cylinder (41), the shell cover (42) is bolted to the separation tank (1), also extends into the separation tank (1), and is provided with a gas outlet; The inner part of the mounting cylinder (41) is also rotatably connected with a rotating shaft (44) through a positioning frame (43), one end of the rotating shaft (44) is fixed with a belt pulley (45), and the other end is fixed with an impeller (46) located in the mounting cylinder (41).

Citation Information

Patent Citations

  • Grain screening and impurity removing equipment for grain processing

    CN222402271U