A stone removing machine for grain processing

CN224614401UActive Publication Date: 2026-08-11安徽瑞农粮油机械科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-24
Publication Date
2026-08-11

AI Technical Summary

Technical Problem

[0004]为了解决由于碎石大小重量不一,且粮食内部通常会夹杂部分灰尘碎屑,而灰尘碎屑质地较轻,容易附着在粮食表面,通过单一的机械风力难以同时去除的问题,本申请提供一种粮食加工用去石机

Benefits of technology

[0013] This application, through the combination of a destoner and a destone air box, can initially remove larger stone particles from grains using mechanical airflow. A separation block further separates the grain from the large stones, allowing the grain to be discharged through a feed pipe into the destoner for screening. The combination of a vibrating motor and a connecting swing arm provides excellent support for the destoner, and the vibrating motor drives further screening of the grain inside the destoner. Compared to existing destoners, this application can simultaneously separate and remove stones and dust of varying sizes from the grain, thus improving work efficiency.

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Abstract

This application relates to the field of destoner technology and discloses a destoner for grain processing. The destoner includes a separator filter connected to its interior by screws, a vibrating motor fixedly mounted on its outer wall, a support frame for support, a destoner bellows on one side of the support frame, a fan mounted on the outer wall of the bellows, and a separation block inside the bellows. This application, through the combination of the destoner and the bellows, can initially remove larger stone particles from the grain using mechanical airflow. The separation block separates the grain from the large stones, allowing the grain to be discharged into the destoner for screening via a feed pipe. The combination of the vibrating motor and the connecting swing arm provides excellent support for the destoner, and the vibrating motor drives further screening of the grain inside the destoner. Compared to existing destoners, this application can simultaneously separate and remove stones and dust of varying sizes from the grain, improving work efficiency.
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Description

Technical Field

[0001] This application relates to the field of destoner technology, and in particular to a destoner for grain processing. Background Technology

[0002] Grains are the primary source of energy for the human body. The world's major grains include rice, wheat, rye, sorghum, corn, and millet. Grain processing refers to the business activities of transforming raw grains into semi-finished or finished grains, or vice versa. Before grains are sold on the market, they need to undergo a series of processing steps, such as removing stones, which is a crucial step. Currently, removing stones from grains typically requires a destoner. A destoner is a device that utilizes the difference in density and suspension velocity between granular materials (rice, brown rice, white rice, wheat, etc.) and minerals, and uses mechanical airflow and a screen surface moving back and forth along a specific trajectory to separate the minerals from the granular materials. However, because stones vary in size and weight, and grains often contain some dust and debris, which are relatively light and easily adhere to the grain surface, they are difficult to remove simultaneously using only mechanical airflow.

[0003] The information disclosed in this background section is only intended to enhance the understanding of the background technology of this application, and therefore may include prior art that is not known to those skilled in the art. Utility Model Content

[0004] To address the problem that grains often contain dust and debris due to their varying sizes and weights, and that these dust and debris are lightweight and easily adhere to the grain surface, making them difficult to remove simultaneously using only mechanical airflow, this application provides a destoner for grain processing.

[0005] The destoning machine for grain processing provided in this application adopts the following technical solution:

[0006] A destoner for grain processing includes a destoner, a separation filter screen connected to the inside of the destoner by screws, a vibration motor fixedly installed on the outer wall of the destoner, a support frame for support on the outside of the destoner, a destoner air box on one side of the support frame, a fan installed on the outer wall of the destoner air box, a separation block inside the destoner air box, and a guide pipe fixedly installed on the inner wall of the destoner air box.

[0007] Preferably, a feed pipe is connected to one side of the top of the destoning air box by screws, and a dust removal chamber is provided inside the destoning air box.

[0008] Preferably, a destone removal pipe is fixedly connected to the bottom end of the outer wall of the destone removal box, and an outlet adapted to the guide pipe is opened at the bottom end of the inner wall of the destone removal box.

[0009] Preferably, the separating block has a guiding slope on the side near the guide pipe, a guide plate is fixed at the bottom of the separating block away from the guide pipe, and one end of the guide pipe extends to the destoner.

[0010] Preferably, connecting swing arms are symmetrically and rotatably mounted on both sides of the inner wall of the support frame, and a connecting shaft is fixedly connected to the bottom end of the connecting swing arm. The connecting shaft is rotatably connected to the outer wall of the destoner.

[0011] Preferably, the separating filter screen is inclined toward the end away from the vibrating motor, a discharge hopper is fixedly connected to the top of the rear end side of the destoner, and a dust discharge hopper is fixedly connected to the bottom of the front end side of the destoner.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] This application, through the combination of a destoner and a destone air box, can initially remove larger stone particles from grains using mechanical airflow. A separation block further separates the grain from the large stones, allowing the grain to be discharged through a feed pipe into the destoner for screening. The combination of a vibrating motor and a connecting swing arm provides excellent support for the destoner, and the vibrating motor drives further screening of the grain inside the destoner. Compared to existing destoners, this application can simultaneously separate and remove stones and dust of varying sizes from the grain, thus improving work efficiency. Attached Figure Description

[0014] Figure 1 This is a front view of a destoning machine for grain processing according to an embodiment of the application.

[0015] Figure 2 This is a partial cross-sectional view of the de-stone bellows in the application embodiment.

[0016] Figure 3 This is a schematic diagram of the internal structure of the stone removal machine in the application embodiment.

[0017] Explanation of reference numerals in the attached drawings: 1. Destoner; 2. Destoning air box; 3. Feed pipe; 4. Fan; 5. Destoning pipe; 6. Support frame; 7. Guide pipe; 8. Discharge port; 9. Separating block; 10. Guide slope; 11. Baffle plate; 12. Dust removal chamber; 13. Separating filter screen; 14. Vibrating motor; 15. Connecting swing arm; 16. Connecting shaft; 17. Dust hopper; 18. Discharge hopper. Detailed Implementation

[0018] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.

[0019] This application discloses a destoner for grain processing. (Refer to...) Figures 1-2The system includes a destoner 1, a support frame 6 for external support, a destoner air box 2 on one side of the support frame 6, a feed pipe 3 connected to the top of the destoner air box 2 by screws, through which grain to be destoned can be initially fed in. A guide pipe 7 is fixedly installed on the inner wall of the destoner air box 2, and an outlet 8 adapted to the guide pipe 7 is opened at the bottom of the inner wall of the destoner air box 2. One end of the guide pipe 7 extends to the destoner 1 to discharge the separated grain in the destoner air box 2. A dust removal chamber 12 is opened inside the destoner air box 2, and a separation block 9 is installed inside the dust removal chamber 12 to separate the crushed stone and grain.

[0020] Since the separating block 9 is provided with a guide slope 10 on the side near the guide pipe 7, and a guide plate 11 is fixed at the bottom of the separating block 9 away from the guide pipe 7, it is convenient to separate grain and gravel. A fan 4 is installed on the outer wall of the destone box 2. The mechanical wind generated by the fan 4 can blow the grain falling in the feed pipe 3 to the side of the guide slope 10 for subsequent processing. The larger gravel in the grain falls due to gravity and is guided by the guide plate 11. A destone pipe 5 is fixedly connected to the bottom of the outer wall of the destone box 2 to facilitate the discharge of the separated large stones.

[0021] Reference Figure 1 or Figure 2 The inner walls of the support frame 6 are symmetrically and rotatably equipped with connecting swing arms 15. The bottom of the connecting swing arms 15 is fixedly connected to the connecting shaft 16. The connecting shaft 16 is rotatably connected to the outer wall of the destoner 1. Since the outer wall of the destoner 1 is fixedly equipped with a vibrating motor 14, the vibrating motor 14 generates oscillations as it works, so that the destoner 1 can swing within the support frame 6 at a corresponding amplitude, promoting the screening of fine stones and dust in the grain.

[0022] A separating filter screen 13 is connected to the destoner 1 by screws. The aperture of the separating filter screen 13 is set to be too small for grain to pass through. The separating filter screen 13 is set to be inclined towards the end away from the vibrating motor 14, which can help to screen and guide the grain, thereby separating the gravel and grain. A discharge hopper 18 is fixedly connected to the top of the rear side of the destoner 1 for discharging the destoned grain, while a dust discharge hopper 17 is fixedly connected to the bottom of the front side of the destoner 1 for discharging the separated small gravel and dust impurities.

[0023] The implementation principle of a grain destoner in this application embodiment is as follows: When in use, grain is fed into the feed pipe 3 on the destoner air box 2. At the same time, the blower 4 works to generate mechanical wind to remove dust from the falling grain. The grain can be blown to one side in the dust removal chamber 12 and guided to the feed pipe 7 through the guide slope 10. Larger stones mixed in the grain fall vertically due to gravity, are separated by the separation block 9, and are guided to the destoner pipe 5 through the guide plate 11 for discharge.

[0024] The separated grain is guided through the feed pipe 7 into the destoner 1. At the same time, the vibration motor 14 is started. The vibration motor 14 generates oscillations. Due to the combined connection of the connecting swing arm 15 and the connecting shaft 16, the destoner 1 can be driven to swing within the support frame 6. This promotes the grain inside to be guided and screened to one side through the separation filter screen 13. At this time, dust and small stones can be filtered through the separation filter screen 13 and then discharged through the dust discharge hopper 17. The processed grain is discharged through the discharge hopper 18 for easy collection by the staff. This completes the destone removal of the grain and solves the problem that the grain is difficult to remove simultaneously by a single mechanical air force because the size and weight of the crushed stones are different and the grain usually contains some dust and debris. The dust and debris are light and easily adhere to the surface of the grain.

[0025] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0026] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0027] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

[0028] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A stone removal machine for grain processing, comprising a stone removal machine (1), characterized in that: The destoner (1) is connected to a separation filter screen (13) by screws. A vibration motor (14) is fixedly installed on the outer wall of the destoner (1). A support frame (6) is provided on the outside of the destoner (1). A destoner air box (2) is provided on one side of the support frame (6). A fan (4) is installed on the outer wall of the destoner air box (2). A separation block (9) is provided inside the destoner air box (2). A guide pipe (7) is fixedly provided on the inner wall of the destoner air box (2). A guide slope (10) is provided on the side of the separation block (9) close to the guide pipe (7). A guide plate (11) is fixed at the bottom of the separation block (9) away from the guide pipe (7). One end of the guide pipe (7) extends to the destoner (1).

2. The stone removing machine for grain processing according to claim 1, characterized in that: The top side of the destone-removing air box (2) is connected to the feed pipe (3) by screws, and the interior of the destone-removing air box (2) is provided with a dust removal chamber (12).

3. The stone removing machine for grain processing according to claim 1, characterized in that: The bottom of the outer wall of the destone-removing air box (2) is fixedly connected to a destone-removing pipe (5), and the bottom of the inner wall of the destone-removing air box (2) is provided with an outlet (8) that is compatible with the guide pipe (7).

4. A destoner for grain processing according to claim 1, characterized in that: The inner walls of the support frame (6) are symmetrically and rotatably mounted with connecting swing arms (15). The bottom end of the connecting swing arms (15) is fixedly connected with a connecting shaft (16), and the connecting shaft (16) is rotatably connected to the outer wall of the destoner (1).

5. A destoner for grain processing according to claim 1, characterized in that: The separating filter (13) is set to be inclined toward the end away from the vibrating motor (14), and the top of the rear end side of the destoner (1) is fixedly connected to the discharge hopper (18), and the bottom of the front end side of the destoner (1) is fixedly connected to the dust discharge hopper (17).