A special granule screening device for diet production

Abstract

This utility model relates to the field of screening equipment technology, specifically a particle screening device for special dietary food production. It solves the problem of excessive material accumulation on the screen in existing particle screening equipment, which makes it difficult for particles to settle and thus reduces screening efficiency. The device includes a machine body and a top cover. A feeding structure is located in the center of the top cover. The feeding structure includes a feeding pipe, with both ends extending to the upper and lower sides of the top cover. The bottom end of the feeding pipe is closed, and multiple evenly distributed discharge ports are opened on its side wall. A material distribution plate is located at the bottom of the feeding pipe, and a driving component mounted on the top cover is connected to the material distribution plate. By setting the material distribution plate at the bottom of the feeding pipe and driving it to rotate by a drive motor, centrifugal force is used to scatter the material falling from the discharge ports inside the machine body, avoiding the problem of material directly accumulating on the screen and becoming too thick and difficult to settle. This allows the material to be quickly and evenly dispersed on the screen surface, effectively improving the overall screening efficiency.

Description

Technical Field

[0001] This utility model relates to the field of screening equipment technology, specifically a particle screening device for special dietary food production. Background Technology

[0002] Vibrating screens are used in the production of special dietary foods to screen particulate materials. Existing vibrating screens use a vertical motor as the excitation source, with eccentric weights installed at both the upper and lower ends of the motor. This converts the motor's rotational motion into three-dimensional motion (horizontal, vertical, and inclined), which is then transmitted to the screen surface. Adjusting the phase angle at the upper and lower ends can change the trajectory of the material on the screen surface.

[0003] When the existing rotary vibrating screen is used, the material will directly accumulate on the top screen when it is fed through the top feed port. This results in the material being piled up too thickly on the screen, making it difficult for the particles to settle and thus reducing the screening efficiency. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a special particle screening device for dietary production, which solves the problem that excessive material accumulation on the screen in existing particle screening devices makes it difficult for particles to settle, thereby reducing screening efficiency.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a particle screening device for special dietary production, comprising a machine body and a top cover, a feeding structure in the middle of the top cover, the feeding structure including a feeding pipe, the two ends of the feeding pipe respectively penetrating to the upper and lower sides of the top cover, the bottom end of the feeding pipe being closed, and multiple evenly distributed discharge ports opening on its side wall; a material distribution plate is provided at the bottom end of the feeding pipe, and a driving component installed on the top cover is connected to the material distribution plate, the driving component being used to drive the material distribution plate to rotate, so that the material on the material distribution plate is scattered inside the machine body under the action of centrifugal force.

[0006] Furthermore, the top of the bulk material plate is equipped with multiple push plates perpendicular to it. The push plates are evenly distributed in a ring and placed on the outside of the feed pipe. When the push plates rotate with the bulk material plate, they can actively break up the agglomerated granular materials and push them directionally to the edge. Combined with centrifugal force, the materials are evenly scattered onto the screen surface.

[0007] Furthermore, the bottom wall of the discharge port is flush with the inner bottom wall of the feed pipe, and a guide cone is provided on the inner bottom wall of the feed pipe. The guide cone forms an angle with the inner wall of the feed pipe, allowing the material to slide into the discharge port along the outer wall of the guide cone, thus preventing material from remaining on the inner bottom wall of the feed pipe.

[0008] Furthermore, a ramp is provided between adjacent discharge ports. The ramp is connected to the guide cone and the feed pipe. The outer side of the ramp is arc-shaped, and the connection with the guide cone forms a downward arc shape. The top of the ramp is a downward sloped surface, which guides the material in the feed pipe to slide smoothly to the discharge ports on both sides, preventing the material from remaining between the guide cone and the feed pipe.

[0009] Furthermore, the driving component includes a drive motor, on which a bracket fixed to the top cover is mounted. The rotating end of the drive motor faces downward and is equipped with a rotating shaft that passes through the feed pipe and is connected to the bulk material plate.

[0010] Furthermore, a connector is provided at the top of the bulk material plate. The connector has a T-shaped cross-section and is placed at the bottom of the feed pipe. The two are rotatably connected to prevent the bulk material plate from shaking when rotating due to an excessively long shaft.

[0011] Furthermore, the feed pipe consists of a first pipe body and a second pipe body. The bottom of the first pipe body is closed and it is vertically installed at the bottom of the top cover. The second pipe body is connected to the top of the first pipe body and is inclined upward, so that the material can slide into the first pipe body under its own gravity. The other end of the second pipe body is closed, and a feed hopper for feeding material is provided on the top wall near this end.

[0012] Compared with the prior art, this utility model provides a special particle screening device for dietary production, which has the following beneficial effects:

[0013] This special dietary food production particle screening equipment uses a material distribution plate at the bottom of the feed pipe, which is driven by a motor to rotate. Centrifugal force is used to scatter the material falling from the discharge port inside the machine body, avoiding the problem of material accumulating directly on the screen and becoming too thick and difficult to settle. This allows the material to be quickly and evenly dispersed on the screen surface, speeding up the screening process and effectively improving the overall screening efficiency. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 This is a schematic diagram of the top cover and feeding structure in this utility model;

[0016] Figure 3 For this utility model Figure 2 A schematic diagram of the cross-sectional structure;

[0017] Figure 4 This is a three-dimensional structural diagram of the first tube body, the discharge port, the guide cone, and the ramp in this utility model;

[0018] Figure 5 This utility model Figure 2 A schematic diagram of the cross-sectional structure;

[0019] Figure 6 This is a three-dimensional structural diagram of the material distribution plate, connector and push plate in this utility model.

[0020] In the diagram: 1. Machine body; 2. Top cover; 3. Feeding structure; 4. Feeding pipe; 5. Discharge port; 6. Distributor plate; 7. Drive motor; 8. Rotary shaft; 9. Connector; 10. Push plate; 11. Guide cone; 12. Slope block; 13. First pipe body; 14. Second pipe body. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-6 The present invention relates to a special dietary food production particle screening device, comprising a body 1 and a top cover 2. The top cover 2 has a feeding port in the middle and covers the top of the body 1. The two are detachably fixed by a clamp (not shown in the attached figure, the fixing method is the prior art, and will not be described here).

[0023] The main improvement of this application is the feeding structure 3 at the feeding port. The main body of the feeding structure 3 is the feeding pipe 4, which is integrally connected by the first pipe body 13 and the second pipe body 14, both of which are made of food-grade stainless steel. The first pipe body 13 is a vertical cylinder, and its bottom is fully sealed by a sealing block. Its axis coincides with the axis of the feeding port. Its top is fully welded to the bottom of the top cover 2 and extends vertically downward along the feeding port into the interior of the machine body 1. Multiple discharge ports 5 are evenly opened on the side wall along the circumference. The bottom wall of the discharge port 5 is flush with the bottom wall of the interior of the first pipe body 13. This structure allows the material to slide out along the discharge port 5.

[0024] One end of the second tube 14 is welded to the top side wall of the first tube 13, and the other end is inclined upward and fully welded closed by the end plate. A funnel-shaped feed hopper is welded on the top wall near the closed end. The bottom of the feed hopper is connected to the inside of the second tube 14. The inclined second tube 14 can guide the material to slide into the first tube 13 by gravity without additional power. The feed hopper can temporarily store the material and avoid frequent manual feeding.

[0025] The top of the top cover 2 is equipped with a driving component, the core of which is a drive motor 7. The drive motor 7 is located directly above the first tube 13, with its rotating end pointing vertically downwards and connected to a rotating shaft 8. The rotating shaft 8 passes through the wall of the second tube 14 and the bottom of the first tube 13 in sequence, and is then fixedly connected to the material distribution plate 6 below the bottom of the first tube 13. A bent bracket is installed on the side of the drive motor 7, with the bottom end of the bracket fixed to the top of the top cover 2. This structure provides stable support for the drive motor 7. The bent design of the bracket, combined with the bottom fixation, ensures the coaxiality of the drive motor 7 with the first tube 13 and the material distribution plate 6, and also reduces the impact of motor vibration on the feeding structure 3.

[0026] The material distribution plate 6 is a circular flat plate, horizontally positioned, with a diameter larger than the outer diameter of the first tube 13. When the drive motor 7 starts, the rotating shaft 8 drives the material distribution plate 6 to rotate. The material falling from the discharge port 5 of the first tube 13 lands on the material distribution plate 6 and is evenly dispersed into the machine body 1 under centrifugal force. This structure further disperses any potentially agglomerated material through centrifugal action, preventing localized accumulation and making the material more evenly distributed on the screen (not shown in the figure) inside the machine body 1, effectively improving screening efficiency.

[0027] Multiple push plates 10 are vertically mounted on the top of the bulk material plate 6. The push plates 10 are evenly distributed in a ring on the outside of the feed pipe 4, forming a vertical connection structure with the bulk material plate 6. When the bulk material plate 6 rotates under the drive of the drive component, the push plates 10 rotate synchronously with it, applying an active pushing force to the material falling on the bulk material plate 6 through their own movement. On the one hand, this can directly break up the agglomerates formed by the stickiness of special dietary particles, avoiding the impact of clumped materials on screening accuracy. On the other hand, it can directionally push the material towards the edge of the bulk material plate 6. Combined with the centrifugal force generated by the rotation, the material is evenly thrown from the edge to the screen surface inside the machine body 1. This solves the problem of uneven material dispersion when relying solely on centrifugal force, further improving the uniformity of material distribution on the screen surface and meeting the high requirements of special dietary materials for screening effect.

[0028] A connector 9 is fixedly connected to the center of the top of the bulk material plate 6. The connector 9 has a T-shaped cross-section and is perpendicular to the bulk material plate 6. Correspondingly, a rotating groove adapted to the connector 9 is opened on the inner side of the bottom of the first tube body 13. The transverse part of the T-shaped connector 9 is embedded in the rotating groove to form a rotating fit structure. A second through hole is opened at the top of the connector 9, and the rotating shaft 8 passes through the second through hole to connect with the bulk material plate 6.

[0029] This connection method allows the bulk material plate 6 and the bottom of the first tube 13 to directly form a rotational support point, shortening the connection distance between the bulk material plate 6 and the feed pipe 4. It replaces the support method that relies solely on the long rotating shaft 8. Through the precise cooperation of the T-shaped structure and the rotating groove, it can ensure that the bulk material plate 6 rotates synchronously with the rotating shaft 8, and effectively limit its radial displacement, avoiding rotational swaying caused by the excessive length of the rotating shaft 8. This significantly improves the stability of the bulk material plate 6 when rotating at high speed, thereby ensuring the reliable realization of the material dispersing and directional pushing functions of the pusher plate 10.

[0030] A guide cone 11 is provided in the center of the bottom wall of the first tube 13. A first through hole is opened at the top of the guide cone 11, and the rotating shaft 8 passes through the first through hole. The guide cone 11 is conical and protrudes upward. Its outer wall forms an inclined angle with the inner wall of the first tube 13. This structure allows the material entering the first tube 13 to slide down along the outer wall of the guide cone 11 under the action of gravity and be guided into the surrounding discharge port 5, thus avoiding the accumulation and residue of material on the bottom wall of the tube.

[0031] Each adjacent discharge port 5 is provided with a ramp 12. One end of the ramp 12 is fixedly connected to the outer wall of the guide cone 11, and the other side is fixedly connected to the inner wall of the first pipe body 13, forming a closed transition structure. The outer side of the ramp 12 is arc-shaped, and its connection with the guide cone 11 smoothly transitions to a downward arc shape. The top is designed as a downward slope surface that slopes towards the discharge ports 5 on both sides. Through the combination of the arc transition and the downward slope surface, the material gathered between the guide cone 11 and the pipe wall can be guided to slide down the discharge ports 5 on both sides in a directional manner, completely eliminating the dead corner of material retention between adjacent discharge ports 5. In conjunction with the guide cone 11, the flowability of the material in the first pipe body 13 is further improved, ensuring that there is no residue in the pipe and meeting the cleanliness requirements of special dietary production.

[0032] When using the product, pour the special dietary granules to be sorted (such as meal replacement powder granules, nutrient granules, etc.) into a clean transfer container to avoid mixing in impurities when pouring directly from the packaging bag.

[0033] Holding the transfer container, slowly pour the material into the top of the feed hopper. After entering the feed hopper, the material slides down the funnel-shaped bottom into the second tube 14 under its own gravity. Because the second tube 14 is inclined upwards, the material will slide down naturally along the inclined tube wall and eventually enter the vertical first tube 13.

[0034] Material entering the first tube 13 first contacts the central guide cone 11. Because the guide cone 11 is conical, the material slides down its outer wall to the surrounding areas, preventing it from accumulating in the center of the bottom of the tube. Material that slides down to the space between the guide cone 11 and the inner wall of the first tube 13 is guided by the ramp 12 between adjacent discharge ports 5. The downward slope of the top of the ramp 12 and the arc-shaped transition structure at the connection with the guide cone 11 push the material towards the discharge ports 5 on both sides, ensuring that there is no dead corner residue of material.

[0035] With the cooperation of the guide cone 11 and the ramp 12, the material is discharged from the outlet 5, which is evenly distributed around the first pipe body 13 (the bottom wall of the outlet 5 is flush with the bottom wall of the pipe, so the material can slide down completely), and finally falls vertically onto the material distribution plate 6 below.

[0036] The motor drives the rotating shaft 8 to rotate, which in turn drives the material distribution plate 6 and the top push plate 10 to rotate synchronously.

[0037] The pusher plate 10, which rotates with the bulk material plate 6, will actively contact the material falling on the bulk material plate 6. On the one hand, the structure of the pusher plate 10 perpendicular to the bulk material plate 6 can break up the agglomerates formed by the stickiness of the material. On the other hand, the pusher plate 10 is evenly distributed in a ring and will push the material towards the edge of the bulk material plate 6 in a directional manner.

[0038] After the material is pushed to the edge of the material distribution plate 6, it is evenly scattered onto the screen surface inside the machine body 1 under the action of centrifugal force. The scattering range covers the entire screen surface to avoid material accumulation. Then the screen begins to quickly sort the material into particles.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A particle screening device for special dietary food production, comprising a body (1) and a top cover (2), characterized in that: The top cover (2) is provided with a feeding structure (3) in the middle. The feeding structure (3) includes a feeding pipe (4). The two ends of the feeding pipe (4) pass through the upper and lower sides of the top cover (2) respectively. The bottom end of the feeding pipe (4) is closed, and multiple evenly distributed discharge ports (5) are opened on its side wall. The bottom end of the feeding pipe (4) is provided with a material distribution plate (6). A driving component installed on the top cover (2) is connected to the material distribution plate (6). The driving component is used to drive the material distribution plate (6) to rotate so that the material on the material distribution plate (6) falls into the machine body (1) under the action of centrifugal force.

2. The particle screening equipment for special dietary food production according to claim 1, characterized in that: The top of the material distribution plate (6) is provided with multiple push plates (10) perpendicular to it. The push plates (10) are evenly distributed in a ring and placed on the outside of the feed pipe (4). When the push plates (10) rotate with the material distribution plate (6), they can actively break up the agglomerated granular materials and push them to the edge in a directional manner. Combined with centrifugal force, the materials are evenly scattered onto the screen surface.

3. The particle screening equipment for special dietary food production according to claim 1, characterized in that: The bottom wall of the discharge port (5) is flush with the inner bottom wall of the feed pipe (4). The inner bottom wall of the feed pipe (4) is provided with a guide cone (11). The guide cone (11) and the inner wall of the feed pipe (4) form an angle, so that the material can slide into the discharge port (5) along the outer wall of the guide cone (11) to avoid material remaining on the inner bottom wall of the feed pipe (4).

4. The particle screening equipment for special dietary food production according to claim 3, characterized in that: A ramp (12) is provided between adjacent discharge ports (5). The ramp (12) is connected to the guide cone (11) and the feed pipe (4). The outer side of the ramp (12) is arc-shaped, and the connection with the guide cone (11) forms a downward arc shape. The top of the ramp (12) is a downward slope surface, which guides the material in the feed pipe (4) to slide smoothly to the discharge ports (5) on both sides, preventing the material from remaining between the guide cone (11) and the feed pipe (4).

5. The particle screening equipment for special dietary food production according to claim 1, characterized in that: The driving component includes a drive motor (7), on which a bracket fixed on the top cover (2) is mounted. The rotating end of the drive motor (7) faces downward and is equipped with a rotating shaft (8) that passes through the feed pipe (4). The rotating shaft (8) is connected to the bulk material plate (6).

6. The particle screening equipment for special dietary food production according to claim 5, characterized in that: The top of the bulk material plate (6) is provided with a connector (9). The cross-section of the connector (9) is T-shaped and is placed in the bottom of the feed pipe (4). The two are rotatably connected to avoid the bulk material plate (6) from shaking when rotating due to the excessive length of the rotating shaft (8).

7. A particle screening device for special dietary food production according to any one of claims 1 to 6, characterized in that: The feed pipe (4) is composed of a first pipe body (13) and a second pipe body (14). The bottom of the first pipe body (13) is closed and it is vertically set at the bottom of the top cover (2). The second pipe body (14) is connected to the top of the first pipe body (13) and is inclined upward, so that the material can slide into the first pipe body (13) under its own gravity. The other end of the second pipe body (14) is closed, and a feed hopper for feeding materials is provided on the top wall near the end.

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