Conveyor belt mechanism with rice screening function

Abstract

The utility model relates to the technical field of rice processing, and discloses a conveyor belt mechanism with a rice screening function, which comprises a conveying device, the rear side of the top wall of the conveying device is fixedly connected with a fixing frame, the middle part of the top wall of the fixing frame is fixedly connected with an electric push rod, and the periphery of one end of each of a plurality of rollers is provided with a transmission belt. The adjacent rotating rollers are connected through a transmission belt, the output end of the first servo motor penetrates through the side wall of the fixing plate and is fixedly connected with the rotating roller on the front side, the rear side of the top wall of the fixing frame is fixedly connected with an exhaust fan, the two side walls of the exhaust fan communicate with connecting pipes, and the two connecting pipes are arranged in the fixing frame. According to the rice screening device, under the combined action of the conveying device, the electric push rod, the connecting frame, the rotating roller, the first servo motor, the transmission belt, the exhaust fan, the protruding block, the fixing frame and the connecting pipe, rice can be scattered and stirred, and therefore the effect of fully screening the rice is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of rice processing, in particular to a conveyor belt mechanism with a rice screening function. Background Art

[0002] Rice processing refers to the process of transforming rice grains into edible rice through a series of treatments and transformations. This process involves multiple steps, each of which significantly impacts the quality and taste of the rice. Rice screening is a crucial step in rice processing, primarily removing impurities to improve rice quality and market competitiveness.

[0003] After searching, the Chinese patent announcement number: CN221559020U discloses a conveyor belt mechanism with a rice screening function, including a supporting steel frame, a screen conveyor belt is arranged inside the supporting steel frame, a loading frame is fixedly arranged at the rear end of the upper end of the supporting steel frame, a plurality of side connecting frames are fixedly arranged at the rear end of one side of the supporting steel frame, and a screening mechanism is fixedly arranged on one side of the plurality of side connecting frames. The screening mechanism includes two side support plates, two flat material rollers, two upper auxiliary rollers and a lower connecting frame, and a plurality of side support springs are fixedly arranged on opposite sides of the two side support plates. A fan is fixedly arranged at the lower end of the lower connecting frame, an air duct pipe is fixedly arranged at the output end of the fan, and an air outlet frame is fixedly arranged at one end of the air duct pipe. In this utility model, the dust mixed in the rice can be blown away during the transmission process of the rice by the screening mechanism, thereby improving the efficiency of rice processing. However, in this application, the screening of rice and the removal of impurities are mainly carried out by the air blown by the fan. However, when it comes to some large or bulky impurities, they cannot be cleaned by blowing them only. Moreover, if the rice is piled up, some impurities are not easy to blow out. Therefore, the actual screening and cleaning effect is poor. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a conveyor belt mechanism with a rice screening function, aiming to improve the problem in the prior art that it is inconvenient to screen and clean some larger or bulky impurities.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a conveyor belt mechanism with a rice screening function, comprising a conveying device, a fixed frame is fixedly connected to the rear side of the top wall of the conveying device, an electric push rod is fixedly connected to the middle of the top wall of the fixed frame, the output end of the electric push rod passes through the inner wall of the fixed frame and is fixedly connected to the connecting frame, the inner rear wall of the connecting frame is rotatably connected to a plurality of rollers, the outer peripheries of the plurality of rollers are fixedly connected with evenly distributed protrusions, one end of the plurality of rollers passes through the side wall of the connecting frame, the outer peripheries of the plurality of rollers are fixedly connected with evenly distributed protrusions, a transmission belt is provided on the outer peripheries of one end of the plurality of rollers, and adjacent rollers are connected by a transmission belt, a fixed plate is fixedly connected to the front part of one side of the connecting frame, a servo motor 1 is fixedly connected to the side wall of the fixed plate, the output end of the servo motor 1 passes through the side wall of the fixed plate and is fixedly connected to the front roller, an exhaust fan is fixedly connected to the rear side of the top wall of the fixed frame, and both side walls of the exhaust fan are connected with connecting pipes, and the two connecting pipes are both arranged inside the fixed frame.

[0006] Through the technical solution, the rice can be broken up and stirred, thereby fully screening the rice.

[0007] As a further description of the above technical solution:

[0008] The front side of the top wall of the conveying device is fixedly connected to a loading frame, and the bottom wall of the loading frame is slidably connected to a moving plate, and both sides of the moving plate pass through the two side walls of the loading frame, and a plurality of blanking holes 1 are opened in the middle of the moving plate, and a plurality of blanking holes 2 are opened in the bottom wall of the loading frame. A groove is opened in the middle of the front wall of the loading frame, and the front end of the moving plate passes through the groove and is fixedly connected to a rack. Both side walls of the front end of the moving plate are fixedly connected to one end of a spring, and the other ends of the two springs are fixedly connected to the inner wall of the groove. The front wall of the loading frame is fixedly connected to a connecting plate, and the front wall of the connecting plate is fixedly connected to a servo motor 2. The output end of the servo motor 2 passes through the connecting plate and is fixedly connected to an incomplete gear, and the incomplete gear is meshed with the rack.

[0009] The technical solution can facilitate uniform loading of rice.

[0010] As a further description of the above technical solution:

[0011] One end of each of the plurality of rollers is fixedly connected to a baffle, and each of the plurality of baffles is arranged on one side of the transmission belt.

[0012] The above technical solution can prevent the transmission belt from falling off the front end of the roller.

[0013] As a further description of the above technical solution:

[0014] A blanking cavity is provided inside the conveying device, and the front and rear walls of the blanking cavity are inclined surfaces.

[0015] Through the above technical solution, the fallen impurities can be guided for easy collection.

[0016] As a further description of the above technical solution:

[0017] The front end of the movable plate passes through the limiting rod, both ends of the limiting rod pass through both sides of the front end of the movable plate and are fixedly connected to the inner side wall of the groove, and the multiple springs are arranged on the periphery of the limiting rod.

[0018] The above technical solution can prevent the spring from bending after being compressed.

[0019] As a further description of the above technical solution:

[0020] A storage box is slidably connected to the bottom wall of the blanking cavity, and one end of the storage box passes through the side wall of the conveying device.

[0021] Through the above technical solution, the collected impurities can be stored to facilitate subsequent cleaning by staff.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the rice can be scattered and stirred by the combined action of the conveying device, the electric push rod, the connecting frame, the roller, the servo motor, the transmission belt, the exhaust fan, the protrusion, the fixing frame and the connecting pipe, thereby achieving the effect of fully screening the rice;

[0024] 2. In the utility model, the feeding frame, the second servo motor, the incomplete gear, the rack, the movable plate, the spring, the first feeding hole, the second feeding hole, the conveying device, the connecting plate and the groove work together to achieve the effect of evenly feeding the rice. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional diagram of a conveyor belt mechanism with rice screening function proposed in the present utility model;

[0026] Figure 2 This is a diagram of the internal structure of a conveyor belt mechanism with rice screening function proposed in the utility model;

[0027] Figure 3 This is a diagram of the internal structure of a loading frame in a conveyor belt mechanism with a rice screening function proposed in the utility model.

[0028] Legend:

[0029] 1. Conveying device; 2. Fixed frame; 3. Electric push rod; 4. Exhaust fan; 5. Connecting pipe; 6. Connecting frame; 7. Transmission belt; 8. Baffle; 9. Fixed plate; 10. Servo motor 1; 11. Roller; 12. Loading frame; 13. Bump; 14. Servo motor 2; 15. Connecting plate; 16. Incomplete gear; 17. Rack; 18. Groove; 19. Moving plate; 20. Blanking hole 1; 21. Blanking hole 2; 22. Storage box; 23. Blanking cavity; 24. Limit rod; 25. Spring. DETAILED DESCRIPTION

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

[0031] Reference Figure 1-Figure 3 The utility model provides an embodiment: a conveyor belt mechanism with a rice screening function, comprising a conveying device 1, a fixed frame 2 is fixedly connected to the rear side of the top wall of the conveying device 1, an electric push rod 3 is fixedly connected to the middle of the top wall of the fixed frame 2, the output end of the electric push rod 3 passes through the inner wall of the fixed frame 2 and is fixedly connected to the connecting frame 6, a plurality of rollers 11 are rotatably connected to the inner rear wall of the connecting frame 6, the outer periphery of the plurality of rollers 11 are fixedly connected with evenly distributed protrusions 13, one end of the plurality of rollers 11 passes through the side wall of the connecting frame 6, and the plurality of rollers 11 The outer periphery is fixedly connected with evenly distributed protrusions 13, and a transmission belt 7 is provided on the outer periphery of one end of multiple rollers 11. Adjacent rollers 11 are connected by the transmission belt 7. The front part of one side of the connecting frame 6 is fixedly connected to a fixing plate 9, and the side wall of the fixing plate 9 is fixedly connected to a servo motor 10. The output end of the servo motor 10 passes through the side wall of the fixing plate 9 and is fixedly connected to the front roller 11. The rear side of the top wall of the fixing frame 2 is fixedly connected to an exhaust fan 4. The two side walls of the exhaust fan 4 are connected with connecting pipes 5, and the two connecting pipes 5 are both arranged inside the fixing frame 2;

[0032] Specifically, when the rice is being transported on the conveyor 1, the electric push rod 3 is started to drive the connecting frame 6 connected to the bottom end to move downward. When the connecting frame 6 moves downward, it can drive the connected multiple rollers 11 to move downward. When the rollers 11 move down to the rice on the conveyor 1, the staff can start the servo motor 10 to drive the rollers 11 connected to the output end to rotate. Since the multiple rollers 11 are connected to the transmission belt 7, the multiple rollers 11 can be rotated in the same direction at the same time under the action of the transmission belt 7. When the rollers 11 rotate, It can drive the protrusion 13 fixed on the roller 11 to rotate accordingly. Therefore, as the roller 11 rotates, the protrusion 13 can scatter and stir the rice on the conveyor 1, so that impurities in the rice can be filtered through the filter holes on the conveyor belt in the conveyor 1, and air can be exhausted outwards through the exhaust fan 4. Under the action of the connecting pipe 5, the environment in the fixed frame 2 can be extracted, so that the dust generated when the rice is scattered and stirred and some smaller and lighter impurities can be extracted and cleaned, thereby achieving the effect of fully screening the rice.

[0033] Reference Figure 1-Figure 3 The front side of the top wall of the conveying device 1 is fixedly connected to the loading frame 12, and the bottom wall of the loading frame 12 is slidably connected to a moving plate 19. Both sides of the moving plate 19 pass through the two side walls of the loading frame 12. A plurality of blanking holes 20 are opened in the middle of the moving plate 19, and a plurality of blanking holes 21 are opened in the bottom wall of the loading frame 12. A groove 18 is opened in the middle of the front wall of the loading frame 12. The front end of the moving plate 19 passes through the groove 18 and is fixedly connected to a rack 17. The two side walls of the front end of the moving plate 19 are fixedly connected to one end of a spring 25. Two springs 2 The other ends of the movable plate 19 are fixedly connected to the inner wall of the groove 18. The front wall of the loading frame 12 is fixedly connected to the connecting plate 15. The front wall of the connecting plate 15 is fixedly connected to the servo motor 2 14. The output end of the servo motor 2 14 passes through the connecting plate 15 and is fixedly connected to the incomplete gear 16. The incomplete gear 16 is meshed with the rack 17. The front end of the movable plate 19 passes through the limit rod 24. Both ends of the limit rod 24 pass through both sides of the front end of the movable plate 19 and are fixedly connected to the inner wall of the groove 18. Multiple springs 25 are arranged on the periphery of the limit rod 24.

[0034] Specifically, after the rice is poured into the feeding frame 12, the rice will fall on the movable plate 19 and into the drop hole 1 20. Then, by starting the servo motor 2 14, the incomplete gear 16 fixed at the output end can be driven to rotate. Since the lower side of the incomplete gear 16 is engaged with the rack 17, the rotation of the incomplete gear 16 can drive the engaged rack 17 to move to one side. When the rack 17 moves, the connected movable plate 19 can be driven to move. Since the movable plate 19 moves to one side, the spring 25 on one side is compressed and the spring 25 on the other side is stretched. Therefore, after the incomplete gear 16 is disengaged from the rack 17, the movable plate 19 can be moved to the other side under the action of the spring 25, so that the movable plate 19 can move back and forth, and the spring 25 can be limited under the action of the limit rod 24, so as to prevent the spring 25 from bending after being compressed. When the drop hole 1 20 on the movable plate 19 coincides with the drop hole 2 21 of the loading frame 12, the rice will be evenly scattered onto the conveyor belt through the multiple drop holes 1 20 and the drop holes 2 21 for transportation, thereby achieving the effect of facilitating uniform loading of the rice.

[0035] Reference Figure 1-Figure 3 , one end of each of the multiple rollers 11 is fixedly connected to a baffle 8, and each of the multiple baffles 8 is arranged on one side of the transmission belt 7; a blanking cavity 23 is opened inside the conveyor 1, and the front and rear walls of the blanking cavity 23 are inclined surfaces; a storage box 22 is slidably connected to the bottom wall of the blanking cavity 23, and one end of the storage box 22 passes through the side wall of the conveyor 1;

[0036] Specifically, by providing a baffle 8, the transmission belt 7 can be limited, thereby preventing the transmission belt 7 from falling off from the front end of the roller 11; when the filtered impurities pass through the conveying device 1 and fall into the blanking cavity 23 for collection, and since the front and rear walls of the blanking cavity 23 are inclined surfaces, the fallen impurities can be guided for easy collection; by providing a storage box 22, the collected impurities can be stored for the convenience of subsequent cleaning by the staff.

[0037] Working principle: In actual use, when the rice is being transported on the conveyor 1, the electric push rod 3 is started to drive the connecting frame 6 and the roller 11 to move downward, and then the servo motor 10 is started to drive the roller 11 connected to the output end to rotate, and under the action of the transmission belt 7, multiple rollers 11 can be rotated in the same direction at the same time. As the rollers 11 rotate, the rice on the conveyor 1 can be broken up and stirred, so that the impurities in the rice can be filtered through the filter holes on the conveyor belt in the conveyor 1, and the dust and Part of the impurities are extracted, thereby achieving the effect of fully screening the rice; in addition, when the rice is poured into the feeding frame 12, the incomplete gear 16 can be driven to rotate by starting the servo motor 2 14, thereby driving the rack 17 to drive the movable plate 19 to move, and under the action of the spring 25, the movable plate 19 can move back and forth. When the blanking hole 1 20 on the movable plate 19 coincides with the blanking hole 21 of the feeding frame 12, the rice will be evenly scattered onto the conveyor belt through the multiple blanking holes 1 20 and the blanking holes 2 21 for transportation, thereby achieving the effect of facilitating uniform feeding of the rice.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A conveyor belt mechanism with a rice screening function, comprising a conveying device (1), characterized in that: The rear side of the top wall of the conveying device (1) is fixedly connected to a fixed frame (2), the middle of the top wall of the fixed frame (2) is fixedly connected to an electric push rod (3), the output end of the electric push rod (3) passes through the inner wall of the fixed frame (2) and is fixedly connected to a connecting frame (6), the inner rear wall of the connecting frame (6) is rotatably connected to a plurality of rollers (11), the outer peripheries of the plurality of rollers (11) are fixedly connected to evenly distributed protrusions (13), one end of the plurality of rollers (11) passes through the side wall of the connecting frame (6), and the outer peripheries of the plurality of rollers (11) are provided with transmission Belt (7), adjacent rollers (11) are connected by a transmission belt (7), a fixed plate (9) is fixedly connected to the front of one side of the connecting frame (6), a servo motor (10) is fixedly connected to the side wall of the fixed plate (9), an output end of the servo motor (10) passes through the side wall of the fixed plate (9) and is fixedly connected to the front roller (11), an exhaust fan (4) is fixedly connected to the rear side of the top wall of the fixed frame (2), both side walls of the exhaust fan (4) are connected to connecting pipes (5), and the two connecting pipes (5) are arranged inside the fixed frame (2).

2. The conveyor belt mechanism with rice screening function according to claim 1, characterized in that: The front side of the top wall of the conveying device (1) is fixedly connected to a feeding frame (12), the inner bottom wall of the feeding frame (12) is slidably connected to a moving plate (19), both sides of the moving plate (19) pass through the two side walls of the feeding frame (12), a plurality of blanking holes (20) are opened in the middle of the moving plate (19), a plurality of blanking holes (21) are opened in the inner bottom wall of the feeding frame (12), a groove (18) is opened in the middle of the inner front wall of the feeding frame (12), the front end of the moving plate (19) passes through the groove (18) and is fixedly connected There is a rack (17), and the two side walls on the front end of the movable plate (19) are fixedly connected to one end of a spring (25), and the other ends of the two springs (25) are fixedly connected to the inner wall of the groove (18). The front wall of the loading frame (12) is fixedly connected to the connecting plate (15), and the front wall of the connecting plate (15) is fixedly connected to the servo motor 2 (14). The output end of the servo motor 2 (14) passes through the connecting plate (15) and is fixedly connected to an incomplete gear (16), and the incomplete gear (16) is meshed with the rack (17).

3. The conveyor belt mechanism with rice screening function according to claim 1, characterized in that: One end of each of the plurality of rotating rollers (11) is fixedly connected to a baffle (8), and each of the plurality of baffles (8) is arranged on one side of the transmission belt (7).

4. The conveyor belt mechanism with rice screening function according to claim 1, characterized in that: A blanking cavity (23) is provided inside the conveying device (1), and the front and rear walls of the blanking cavity (23) are inclined surfaces.

5. The conveyor belt mechanism with rice screening function according to claim 2, characterized in that: The front end of the movable plate (19) passes through the limiting rod (24), both ends of the limiting rod (24) pass through both sides of the front end of the movable plate (19) and are fixedly connected to the inner wall of the groove (18), and the plurality of springs (25) are arranged on the outer periphery of the limiting rod (24).

6. The conveyor belt mechanism with rice screening function according to claim 4, characterized in that: The inner bottom wall of the blanking cavity (23) is slidably connected to a storage box (22), and one end of the storage box (22) passes through the side wall of the conveying device (1).

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