Stone removing machine for flour production

Abstract

The utility model relates to a stoning machine for flour production, which comprises an outer tank body with an opening at the bottom, a feeding pipe is arranged in the outer tank body, the feeding pipe vertically penetrates and extends to the upper part of the feeding pipe, a feeding hopper is arranged at the top end of the feeding pipe, and a vertically through sorting pipe is arranged in the outer tank body and below the feeding pipe through a bracket; the bottom end of the sorting pipe penetrates through an opening in the bottom of the outer tank body and extends to the position below the outer tank body, the bottom end of the feeding pipe extends into the sorting pipe, and a first fan is installed in the sorting pipe and close to the opening in the bottom end of the sorting pipe. Vertical airflow formed by the sorting pipe and tangential airflow formed by the air inlet mechanism complement each other and converge to form vortex rotating upwards, wheat is blown into the outer tank body and finally discharged from the lower port of the outer tank body by means of different gravity, stones vertically fall on the baffle and finally are discharged from the discharge port, and stone sorting is achieved. A traditional screen screening mode is replaced, stone sorting cannot be affected by the size, and screening is thorough.

Description

Technical Field

[0001] The utility model relates to the technical field of flour production, in particular to a stone removing machine for flour production. Background Art

[0002] Wheat flour is obtained by grinding wheat kernels. Because wheat is easily mixed with stones during the harvesting and drying process, the stones can easily damage the grinding equipment during the later grinding, and the stones can also be mixed into the flour after being ground and crushed, which can easily affect the quality of the flour. Therefore, before the wheat is ground into flour, the stones mixed in the wheat need to be removed.

[0003] At present, stones in wheat are usually removed by stone removers. Traditional stone removers mainly screen stones in wheat by using screens. However, when using screens for screening, stones are easily stuck in the mesh of the screens, causing blockage and affecting the screening effect. In addition, the screens can mainly screen wheat grains and stones with a large difference in volume. Stones with a volume similar to that of wheat grains are difficult to be screened out, resulting in poor screening effect. Utility Model Content

[0004] The utility model aims to provide a flour destoner for production with good sorting effect, which effectively solves the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions.

[0006] A destoner for flour production comprises an outer tank body with an opening at the bottom, a feeding pipe is arranged in the outer tank body, the feeding pipe vertically penetrates and extends to the top of the feeding pipe, a feeding hopper is arranged at the top of the feeding pipe, a sorting pipe penetrating up and down is installed through a bracket in the outer tank body below the feeding pipe, the bottom end of the sorting pipe passes through the bottom opening of the outer tank body and extends to the bottom of the outer tank body, the bottom end of the feeding pipe extends into the sorting pipe, a first fan is installed in the sorting pipe near the bottom opening, a baffle is obliquely installed above the first fan in the sorting pipe, the baffle is evenly distributed with vertical guide holes for airflow to pass through, a discharge port is arranged at a position corresponding to the lower end of the baffle on the sorting pipe, and an air inlet mechanism for tangentially blowing air into the sorting pipe is arranged on the side of the sorting pipe.

[0007] It can be seen that the vertical airflow formed by the sorting tube and the tangential airflow formed by the air inlet mechanism complement and converge to form a rotating upward vortex. Relying on the difference in gravity, the wheat is blown into the outer tank body and finally discharged from the lower port of the outer tank body. The stones fall vertically on the baffle and are finally discharged through the discharge port to achieve stone sorting, replacing the traditional screen screening method. The stone sorting will not be affected by the size of the stone, and the screening is thorough. The vertical layout of the entire equipment saves space in the horizontal direction and is highly practical.

[0008] Furthermore, the air inlet mechanism includes an air inlet duct and a second fan. The air inlet duct is connected to the side of the sorting tube and communicates with the inside of the sorting tube. The second fan is installed in the air inlet duct. The air inlet duct extends along the tangential direction of the sorting tube.

[0009] The second fan is used to suck external air into the air inlet pipe and blow it into the sorting pipe along the tangential direction of the sorting pipe to form a tangential airflow.

[0010] Furthermore, a sorting tube is installed in the sorting tube below the lower port of the feeding tube through a support arm. The diameter of the sorting tube becomes smaller as it is closer to the feeding tube, and the maximum diameter of the sorting tube is smaller than the diameter of the sorting tube.

[0011] By setting a baffle in the sorting tube, the vertical airflow can be guided to ensure that the airflow can flow around the periphery of the baffle. At the same time, the baffle is cone-shaped, and the wheat that falls into the sorting tube from the feeding tube falls on the baffle, so that the wheat is evenly spread and the sorting effect is improved.

[0012] Furthermore, a feeding mechanism is provided at the lower end of the feeding tube, and the feeding mechanism is used to evenly feed the wheat into the sorting tube.

[0013] The wheat is evenly fed into the sorting tube through the feeding mechanism to avoid excessive feeding at one time and affecting the sorting effect.

[0014] Furthermore, the feeding mechanism includes a shaft, a roller, a feed plate and a driving motor. The shaft is rotatably installed at the lower port of the feeding tube, the roller is fixedly sleeved on the shaft, a plurality of feed plates are arranged in an array around the axis of the roller on the outside of the roller, the driving motor is fixed on the side of the feeding tube, and the output shaft is fixedly connected to one end of the shaft.

[0015] The driving motor drives the shaft and the roller to rotate, and then drives the discharge plate to rotate. When the wheat in the feeding tube falls between two adjacent discharge plates, the wheat will eventually be discharged downward as the roller rotates, thereby realizing intermittent quantitative feeding of wheat, avoiding a large amount of wheat entering the sorting tube and affecting the sorting effect, improving the sorting effect of stones, and also having a conveying effect on the wheat entering the sorting tube to avoid blockage.

[0016] Furthermore, an interception net for intercepting stones is fixed on the downstream side of the second fan in the air inlet duct, a second dust filter is installed on the upstream side of the second fan in the air inlet duct, and a first dust filter is installed below the first fan in the sorting pipe.

[0017] An interception net is set up to prevent stones from entering the air inlet pipe and colliding with the second fan, thereby providing protection for the second fan. By setting up the second dust filter and the first dust filter, dust impurities in the air can be filtered to prevent them from entering the outer tank and causing pollution to the wheat.

[0018] Furthermore, a discharge pipe is connected to the side of the sorting pipe, one end of the discharge pipe is communicated with the discharge port, and the discharge pipe is arranged in an inclined shape.

[0019] The stones discharged through the discharge port are transported through the discharge pipe, and the discharge pipe can prevent the wheat discharged from the lower end of the outer tank from falling into the discharge pipe and being mixed with the stones again.

[0020] Furthermore, a plurality of fixing seats are arranged in an array on the side of the outer tank body, and supporting legs extending vertically downward are fixed to the lower surfaces of the fixing seats, and universal wheels are installed at the lower ends of the supporting legs.

[0021] The supporting legs can be used to lift the entire device, freeing up space under the sorting tube, making it convenient to arrange containers to collect wheat and gravel separately. In addition, universal wheels are provided at the bottom of the supporting legs to facilitate the overall movement of the device, further improving the overall practicality of the device.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows.

[0023] The utility model complements and converges the vertical airflow formed by the sorting pipe and the tangential airflow formed by the air inlet mechanism to form a rotating upward vortex, and relies on the difference in gravity to blow the wheat into the outer tank body and finally discharge it from the lower port of the outer tank body. The stones fall vertically on the baffle plate and are finally discharged through the discharge port, so as to realize the sorting of the stones and replace the traditional screen screening method. The size of the stones will not affect the sorting of the stones, and the screening is thorough. The vertical layout of the whole equipment saves space in the horizontal direction and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0025] Figure 2 It is a schematic diagram of the cross-sectional structure of the outer tank body in the utility model;

[0026] Figure 3 It is a detailed structural diagram of the air inlet mechanism in the utility model;

[0027] Figure 4 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0028] Figure 5 for Figure 2 Enlarged schematic diagram of the structure at point B in the middle.

[0029] In the figure: 1. outer tank body; 11. fixed seat; 12. support leg; 13. universal wheel; 2. feeding pipe; 21. feeding hopper; 3. feeding mechanism; 31. shaft; 32. roller body; 33. unloading plate; 34. driving motor; 4. sorting pipe; 401. discharge port; 41. baffle; 411. support arm; 5. first fan; 51. first dust filter; 6. baffle; 61. guide hole; 7. discharge pipe; 8. air inlet mechanism; 81. air inlet pipe; 82. second fan; 83. intercepting net; 84. second dust filter. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms, "connection" and "installation" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. In addition, "connection" can be a direct connection or an indirect connection through an intermediate medium. Among them, "fixed" means that they are connected to each other and the relative position relationship after connection remains unchanged. The directional terms mentioned in the embodiments of the present utility model, such as "inside", "outside", "top", "bottom", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of the present utility model, 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 therefore cannot be understood as a limitation on the embodiments of the present utility model.

[0032] In the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0033] See also Figure 1-Figure 5The utility model provides a destoner for flour production, comprising an outer tank body 1 with an opening at the bottom, a feeding pipe 2 is arranged in the outer tank body 1, the feeding pipe 2 vertically penetrates and extends to the top of the feeding pipe 2, a feeding hopper 21 is arranged at the top of the feeding pipe 2, a sorting pipe 4 penetrating from top to bottom is installed in the outer tank body 1 at the lower part of the feeding pipe 2 through a bracket (not shown in the figure), the bottom end of the sorting pipe 4 passes through the bottom opening of the outer tank body 1 and extends to the lower part of the outer tank body 1, the bottom end of the feeding pipe 2 extends into the sorting pipe 4, a first fan 5 is installed in the sorting pipe 4 near the bottom opening thereof, a baffle 6 is obliquely installed in the sorting pipe 4 above the first fan 5, the baffle 6 is evenly distributed with vertical through guide holes 61 for air flow to pass through, a discharge port 401 is arranged at a position corresponding to the lower end of the baffle 6 on the sorting pipe 4, and an air inlet mechanism 8 for tangentially blowing air into the sorting pipe 4 is arranged on the side of the sorting pipe 4.

[0034] Before the wheat is ground into flour, when the stone in the wheat is removed by the stone remover, the first fan 5 works to form a vertical upward airflow in the sorting tube 4, and the air inlet mechanism 8 works to blow air into the sorting tube 4 along the tangent direction of the sorting tube 4. The airflows in the two directions complement each other and converge to form an upward rotating vortex, and flow into the outer tank body 1 through the gap between the inner wall of the sorting tube 4 and the outer wall of the feeding tube 2, and finally discharged from the lower end opening of the outer tank body 1. The wheat is put into the feeding tube 2 through the feed hopper 21, and falls into the sorting tube 4 from the lower end of the feeding tube 2. By utilizing the different gravity of wheat and stone, the rotating vortex in the sorting tube 4 can blow the wheat upward and enter the outer tank body 1, and finally discharged from the lower end of the outer tank body 1, while the stone with large gravity falls vertically onto the baffle 6, and finally discharged through the discharge port 401, thereby realizing the sorting of stones.

[0035] Specifically, the air inlet mechanism 8 includes an air inlet pipe 81 and a second fan 82. The air inlet pipe 81 is connected to the side of the sorting tube 4 and communicates with the inside of the sorting tube 4. The second fan 82 is installed in the air inlet pipe 81. The air inlet pipe 81 extends along the tangential direction of the sorting tube 4. The second fan 82 is used to suck external air into the air inlet pipe 81 and blow it into the sorting tube 4 along the tangential direction of the sorting tube 4 to form a tangential airflow.

[0036] Specifically, a sorting tube 4 is installed in the sorting tube 4 below the lower port of the feeding tube 2 through a support arm 411. The closer the diameter of the sorting tube 4 is to the feeding tube 2, the smaller it is, and the maximum diameter of the sorting tube 4 is smaller than the diameter of the sorting tube 4. By arranging a baffle 41 in the sorting tube 4, the vertical airflow can be guided to ensure that the airflow can flow around the periphery of the baffle 41. At the same time, the baffle 41 is cone-shaped, and the wheat that falls into the sorting tube 4 from the feeding tube 2 falls on the baffle 41, so that the wheat is evenly scattered, thereby improving the sorting effect.

[0037] Specifically, a feeding mechanism 3 is provided at the lower end of the feeding tube 2, and the feeding mechanism 3 is used to evenly feed the wheat into the sorting tube 4. The wheat is evenly fed into the sorting tube 4 through the feeding mechanism 3 to avoid excessive feeding at one time to affect the sorting effect.

[0038] Specifically, the feeding mechanism 3 includes a shaft rod 31, a roller body 32, a discharge plate 33 and a driving motor 34. The shaft rod 31 is rotatably installed at the lower end of the feeding tube 2, the roller body 32 is fixedly sleeved on the shaft rod 31, and a plurality of discharge plates 33 are arranged in an array around the axis of the roller body 32 on the outside of the roller body 32. The driving motor 34 is fixed on the side of the feeding tube 2, and the output shaft is fixedly connected to one end of the shaft rod 31. The driving motor 34 drives the shaft rod 31 and the roller body 32 to rotate, and then drives the discharge plate 33 to rotate. When the wheat in the feeding tube 2 falls between two adjacent discharge plates 33, the wheat will eventually be discharged downward as the roller body 32 rotates, thereby realizing intermittent quantitative delivery of wheat, avoiding a large amount of wheat entering the sorting tube 4 and affecting the sorting effect, improving the sorting effect of stones, and in addition, having a conveying effect on the wheat entering the sorting tube 4 to avoid blockage.

[0039] Specifically, an interception net 83 for intercepting stones is fixed on the downstream side of the second fan 82 in the air inlet pipe 81, a second dust filter 84 is installed on the upstream side of the second fan 82 in the air inlet pipe 81, and a first dust filter 51 is installed in the sorting tube 4 below the first fan 5. The interception net 83 is provided to prevent stones from entering the air inlet pipe 81 and colliding with the second fan 82, thereby providing a protection effect for the second fan 82. The second dust filter 84 and the first dust filter 51 can be provided to filter dust impurities in the air to prevent them from entering the outer tank body 1 and polluting the wheat.

[0040] Specifically, the side of the sorting tube 4 is connected to a discharge pipe 7, one end of which is communicated with the discharge port 401. The discharge pipe 7 is arranged in an inclined shape, and the stones discharged through the discharge port 401 are transported through the discharge pipe 7. At the same time, the discharge pipe 7 can prevent the wheat discharged from the lower end of the outer tank body 1 from falling into the discharge pipe 7 and mixing with the stones again.

[0041] Specifically, a plurality of fixing seats 11 are arranged in an array on the side of the outer tank body 1, and supporting legs 12 extending vertically downward are fixed to the lower surfaces of the fixing seats 11, and universal wheels 13 are installed at the lower ends of the supporting legs 12. The supporting legs 12 can be used to lift the entire device to free up the space under the sorting tube 4, making it convenient to arrange containers to collect wheat and stones separately. In addition, universal wheels 13 are arranged at the bottom of the supporting legs 12 to facilitate the overall movement of the device, further improving the overall practicality of the device.

[0042] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A destoner for flour production, comprising an outer tank body (1) having an opening at the bottom, characterized in that: A feeding pipe (2) is provided in the outer tank body (1), the feeding pipe (2) vertically penetrates and extends to the top of the feeding pipe (2), and a feeding hopper (21) is provided at the top of the feeding pipe (2); A sorting tube (4) is installed in the outer tank body (1) below the feeding tube (2) through a bracket, the bottom end of the sorting tube (4) passes through the bottom opening of the outer tank body (1) and extends to the bottom of the outer tank body (1), and the bottom end of the feeding tube (2) extends into the sorting tube (4); A first fan (5) is installed in the separation tube (4) near the bottom opening thereof, and a baffle (6) is installed obliquely above the first fan (5) in the separation tube (4), and the baffle (6) is evenly distributed with vertical through-holes (61) for airflow to pass through; A discharge port (401) is provided on the sorting tube (4) at a position corresponding to the lower end of the baffle (6); An air inlet mechanism (8) for blowing tangentially into the sorting tube (4) is provided on the side of the sorting tube (4).

2. A destoner for flour production according to claim 1, characterized in that: The air inlet mechanism (8) comprises an air inlet pipe (81) and a second fan (82); The air inlet pipe (81) is connected to the side of the sorting pipe (4) and communicates with the interior of the sorting pipe (4); The second fan (82) is installed in the air inlet pipe (81); The air inlet pipe (81) extends along the tangential direction of the sorting pipe (4).

3. A destoner for flour production according to claim 1, characterized in that: A sorting tube (4) is installed in the sorting tube (4) below the lower port of the feeding tube (2) via a supporting arm (411); The diameter of the sorting tube (4) becomes smaller as it gets closer to the feeding tube (2), and the maximum diameter of the sorting tube (4) is smaller than the diameter of the sorting tube (4).

4. A destoner for flour production according to claim 1, characterized in that: A feeding mechanism (3) is provided at the lower end of the feeding tube (2), and the feeding mechanism (3) is used to evenly feed the wheat into the sorting tube (4).

5. A destoner for flour production according to claim 4, characterized in that: The feeding mechanism (3) comprises a shaft (31), a roller body (32), a feed plate (33) and a drive motor (34); The shaft rod (31) is rotatably mounted at the lower end of the feeding pipe (2), and the roller body (32) is fixedly sleeved on the shaft rod (31); A plurality of blanking plates (33) are arranged in an array around the axis of the roller body (32) outside the roller body (32); The driving motor (34) is fixed to the side of the feeding tube (2), and the output shaft is fixedly connected to one end of the shaft rod (31).

6. A destoner for flour production according to claim 2, characterized in that: An interception net (83) for intercepting stones is fixed in the air inlet pipe (81) at the downstream side of the second fan (82); A second dust filter (84) is installed in the air inlet pipe (81) at the upstream side of the second fan (82); A first dust-proof filter (51) is installed in the sorting pipe (4) below the first fan (5).

7. A destoner for flour production according to claim 2, characterized in that: A discharge pipe (7) is connected to the side of the sorting pipe (4), and one end of the discharge pipe (7) is in communication with the discharge port (401); The discharge pipe (7) is arranged in an inclined shape.

8. The destoner for flour production according to claim 1, characterized in that: A plurality of fixing seats (11) are arranged in an array on the side of the outer tank body (1), and support legs (12) extending vertically downward are fixed to the lower surfaces of the fixing seats (11); Universal wheels (13) are mounted on the lower ends of the support legs (12).

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