Rice machine exhaust system with dustproof device

Abstract

The utility model relates to the technical field of grain processing machinery, and discloses a rice machine exhaust system with a dustproof device, which comprises an exhaust pipeline, a filter screen is fixedly connected to the inner wall of the exhaust pipeline, an ash cleaning mechanism is arranged on the inner wall of the exhaust pipeline, and a collecting mechanism is arranged at the bottom of the exhaust pipeline. The dust removing mechanism comprises two electric guide rails, the far sides of the two electric guide rails are fixedly connected to the inner walls of the front side and the rear side of the exhaust pipeline, the outer walls of the electric guide rails are slidably connected with electric sliding blocks, the close sides of the two electric sliding blocks are fixedly connected with a connecting plate, and the exterior of the connecting plate is fixedly connected with a motor. According to the utility model, the motor drives the rotating rod and the worm, and the bristles on the cross frame rotate through the worm gear, the rotating rod and the transmission block, so that the filter screen is comprehensively cleaned, dust is swept into the dust collection box, the dust is prevented from blocking the filter screen to influence ventilation, and the continuous and efficient operation of an exhaust system is ensured.

Description

Technical Field

[0001] This utility model relates to the field of grain processing machinery technology, and in particular to a rice mill exhaust system with a dustproof device. Background Technology

[0002] A rice milling machine, also known as a rice polishing machine, is a mechanical device used in the grain processing industry to process raw materials such as paddy rice and brown rice into rice. It removes the outer husk and bran of the grain through milling and wiping, revealing the rice grains inside, thus meeting the needs of consumption and processing. Rice milling machines are widely used in grain processing plants and small grain processing points, and are key equipment for converting paddy rice into rice.

[0003] The ventilation system of a rice milling machine is an important auxiliary component, primarily used to remove dust, hot air, and impurities such as broken rice generated during processing. This system typically consists of exhaust ducts, filters, and exhaust fans. Through a reasonable layout and operating mechanism, it maintains airflow within the rice milling machine, ensures a clean processing environment, prevents dust accumulation that could lead to safety hazards, and prevents residual impurities from affecting rice grain quality. Therefore, it is crucial for improving the processing efficiency and finished product quality of the rice milling machine.

[0004] Traditional rice milling machine exhaust systems typically only have simple filters to intercept dust in the exhaust air. However, as the usage time increases, a large amount of dust accumulates on the filters, leading to decreased ventilation efficiency and poor exhaust, which in turn affects the overall working performance of the rice milling machine. Therefore, a rice milling machine exhaust system with a dustproof device is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides a rice machine exhaust system with a dustproof device, which aims to improve the problem of reduced ventilation efficiency caused by dust accumulation on the filter screen of some rice machine exhaust systems in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A rice milling machine exhaust system with a dustproof device includes an exhaust duct, a filter screen is fixedly connected to the inner wall of the exhaust duct, a dust removal mechanism is provided on the inner wall of the exhaust duct, and a collection mechanism is provided at the bottom of the exhaust duct.

[0008] The dust removal mechanism includes two electric guide rails. The far sides of the two electric guide rails are fixedly connected to the inner walls of the front and rear sides of the exhaust duct. Electric sliders are slidably connected to the outer walls of the electric guide rails. A connecting plate is fixedly connected to the near sides of the two electric sliders. A motor is fixedly connected to the outside of the connecting plate. A transmission assembly is fixedly connected to the drive end of the motor. Two crosses are fixedly connected to the right side of the transmission assembly. Brush bristles are fixedly connected to the right side of the crosses.

[0009] As a further description of the above technical solution:

[0010] The transmission assembly includes a rotating rod, the front side of which is fixedly connected to the drive end of the motor. Two worm gears are fixedly connected to the outside of the rotating rod. A rotating rod is rotatably connected inside the connecting plate. A worm wheel is fixedly connected to the outside of the rotating rod. The outside of the worm wheel is meshed with the outside of the worm gear. A transmission block is fixedly connected to the right side of the rotating rod.

[0011] As a further description of the above technical solution:

[0012] The outer wall of the rotating rod is rotatably connected to the inner wall of the connecting plate, and the outer walls of the two transmission blocks are rotatably connected to the inner wall of the connecting plate.

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

[0014] The left side of the cross is fixedly connected to the right side of the transmission block, and the right side of the brush bristles is in contact with the left side of the filter screen.

[0015] As a further description of the above technical solution:

[0016] An exhaust fan is fixedly connected to the inner wall of the exhaust duct, and mounting plates are fixedly connected to both the upper and lower sides of the right end of the exhaust duct. The mounting plates have mounting holes inside.

[0017] As a further description of the above technical solution:

[0018] The collection mechanism includes a dust collection box, the outer wall of which is slidably connected to the bottom inner wall of the exhaust duct, and protruding plates are fixedly connected to both the front and rear sides of the dust collection box. The protruding plates have slots inside, and limit components are provided on both the front and rear sides of the bottom of the exhaust duct.

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

[0020] The limiting component includes a locking block, the outer wall of which engages with the inner wall of the locking groove. A transmission rod is fixedly connected to the left side of the locking block, a square plate is fixedly connected to the left side of the transmission rod, and a return spring is fixedly connected to the left side of the square plate.

[0021] As a further description of the above technical solution:

[0022] The outer wall of the transmission rod is slidably connected to the inner wall of the exhaust duct. The exhaust duct has chambers on both the front and rear sides at the bottom. The outer wall of the square plate is slidably connected to the inner wall of the chamber. The left side of the return spring is fixedly connected to the left inner wall of the chamber.

[0023] This utility model has the following beneficial effects:

[0024] 1. In this utility model, the electric guide rail and electric slider drive the connecting plate, motor and transmission components to move. The motor drives the rotating rod and worm gear, and through the worm wheel, rotating rod and transmission block, the bristles on the cross rotate to thoroughly clean the filter screen and sweep the dust into the dust collection box, so as to avoid the dust clogging the filter screen and affecting the ventilation, and ensure the continuous and efficient operation of the exhaust system.

[0025] 2. In this utility model, the dust collection box is fixed by the slot on the convex plate and the locking block. During installation, it is automatically locked by the action of the return spring. During disassembly, it is only necessary to press the square plate to drive the locking block out of the slot, and the dust collection box can be easily pulled out to clean the dust. This reduces the difficulty and labor intensity of maintenance personnel, reduces downtime for maintenance, and improves the overall working efficiency of the rice machine. Attached Figure Description

[0026] Figure 1 This is a perspective view of the rice mill exhaust system with a dustproof device proposed in this utility model;

[0027] Figure 2 This is a schematic diagram of the exhaust duct of the rice mill exhaust system with dustproof device proposed in this utility model;

[0028] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0029] Figure 4 for Figure 2 Enlarged view of point B in the middle.

[0030] Legend:

[0031] 1. Exhaust duct; 2. Filter screen; 3. Electric guide rail; 4. Electric slider; 5. Connecting plate; 6. Motor; 7. Rotating rod; 8. Worm gear; 9. Rotating rod; 10. Worm wheel; 11. Transmission block; 12. Cross; 13. Exhaust fan; 14. Mounting plate; 15. Dust collection box; 16. Protruding plate; 17. Locking block; 18. Locking slot; 19. Transmission rod; 20. Square plate; 21. Return spring. Detailed Implementation

[0032] 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.

[0033] Reference Figure 1 , Figure 2 and Figure 3 This utility model provides an embodiment of a rice milling machine exhaust system with a dustproof device, including an exhaust duct 1, a filter screen 2 fixedly connected to the inner wall of the exhaust duct 1, a dust removal mechanism installed on the inner wall of the exhaust duct 1, and a collection mechanism installed at the bottom of the exhaust duct 1. The exhaust duct 1 is the basic framework of the entire system, providing a channel for airflow and also providing installation positions for the dust removal and collection mechanisms, ensuring that all parts of the system can cooperate in an orderly manner to achieve exhaust and dustproof functions. The filter screen 2 can effectively intercept dust particles in the air discharged from the rice milling machine, preventing dust from being discharged with the airflow and polluting the environment, or entering other environments. The equipment affects its normal operation. Regular cleaning can ensure the system's ventilation efficiency and dust prevention effect. An exhaust fan 13 is fixedly connected to the inner wall of the exhaust duct 1. The function of the exhaust fan 13 is to accelerate the air flow in the exhaust duct 1, improve the exhaust efficiency, and quickly discharge the exhaust gas generated by the rice machine, ensuring the air circulation and quality of the working environment of the rice machine. Mounting plates 14 are fixedly connected to the upper and lower sides of the right end of the exhaust duct 1. The mounting plates 14 have mounting holes inside. Through the mounting holes, bolts and other connectors can be used to fix the exhaust duct 1 in a suitable position to ensure that the entire exhaust system is installed firmly and operates stably.

[0034] The dust removal mechanism includes two electric guide rails 3. The far sides of the two electric guide rails 3 are fixedly connected to the inner walls of the front and rear sides of the exhaust duct 1. Electric sliders 4 are slidably connected to the outer walls of the electric guide rails 3. Connecting plates 5 are fixedly connected to the near sides of the two electric sliders 4. The electric sliders 4 can slide on the outer walls of the electric guide rails 3. The two work together to drive the connecting plate 5 and its components to move as a whole, so that the dust removal work can be carried out at different positions of the filter screen 2, expanding the dust removal range and ensuring thorough dust removal. A motor 6 is fixedly connected to the outside of the connecting plate 5. A transmission assembly is fixedly connected to the drive end of the motor 6. The transmission assembly includes a rotating rod 7. The outer wall of the rotating rod 7 is rotatably connected to the inner wall of the connecting plate 5. The front side of the rotating rod 7 is fixedly connected to the drive end of the motor 6. The motor 6 is the power source of the dust removal mechanism. When dust removal is required, the motor 6 starts, and its drive end drives the rotating rod 7 to rotate, providing power to the subsequent transmission assembly. Two worm gears 8 are fixedly connected to the outside of the rotating rod 7. A rotating rod 9 is rotatably connected to the inside of the connecting plate 5. A worm gear 10 is fixedly connected to the worm 8. The outer side of the worm gear 10 is meshed with the outer side of the worm 8. The rotation of the rotating rod 7 drives the worm 8 to rotate. The worm 8 meshes with the worm gear 10, transmitting the power of the motor 6 to the rotating rod 9, thus realizing the conversion and transmission of power. A transmission block 11 is fixedly connected to the right side of the rotating rod 9. When the worm 8 rotates, it drives the worm gear 10 and the rotating rod 9 to rotate. The rotating rod 9 transmits power to the transmission block 11. The outer walls of the two transmission blocks 11 are rotatably connected to the inner wall of the connecting plate 5. Two crosses 12 are fixedly connected to the right side of the transmission assembly. The left side of the crosses 12 is fixedly connected to the right side of the transmission block 11. Brush bristles are fixedly connected to the right side of the crosses 12. The right side of the brush bristles contacts the left side of the filter screen 2. The transmission block 11 connects the rotating rod 9 and the crosses 12, transmitting the rotation of the rotating rod 9 to the crosses 12, ensuring that the crosses 12 can rotate stably. As the crosses 12 rotate, the brush bristles sweep the dust on the surface of the filter screen 2, sweeping the dust into the dust collection box 15, thus cleaning the filter screen 2.

[0035] Reference Figure 1 , Figure 2 and Figure 4The collection mechanism includes a dust collection box 15, the outer wall of which is slidably connected to the bottom inner wall of the exhaust duct 1. The dust collection box 15 can collect and store dust, preventing dust from accumulating in the duct and affecting the ventilation effect, and facilitating regular dust cleaning. Both the front and rear sides of the dust collection box 15 are fixedly connected to protruding plates 16, with slots 18 inside the protruding plates 16. Limiting components are provided on both the front and rear sides of the bottom of the exhaust duct 1, including locking blocks 17. The outer wall of the locking block 17 engages with the inner wall of the slot 18. When the dust collection box 15 is installed in place, the slot 18 accurately engages with the locking block 17, thus fixing the dust collection box 15. A transmission rod 19 is fixedly connected to the left side of the locking block 17. The outer wall of the transmission rod 19 is slidably connected to the inner wall of the exhaust duct 1. A square plate 20 is fixedly connected to the left side of the transmission rod 19. A chamber is opened on both the front and rear sides of the bottom of the exhaust duct 1. The outer wall of the square plate 20 is slidably connected to the inner wall of the chamber. A return spring 21 is fixedly connected to the left side of the square plate 20. The left side of the return spring 21 is fixedly connected to the left inner wall of the chamber. After the dust collection box 15 is installed in place, the elasticity of the return spring 21 causes the locking block 17 to automatically lock into the slot 18, ensuring that the dust collection box 15 is firmly fixed. When disassembling, pressing the locking block 17 separates the locking block 17 from the slot 18. Pressing the locking block 17 can release the limit on the protruding plate 16, making it convenient to take out the dust collection box 15.

[0036] Working principle: When it is necessary to clean the dust on the filter screen 2, the two electric guide rails 3 start to work, driving the electric slider 4 to slide along the guide rail, thereby moving the connecting plate 5 and its components as a whole. At this time, the motor 6 starts, and its drive end drives the rotating rod 7 to rotate. The two worm gears 8 on the rotating rod 7 rotate accordingly. Since the worm gear 8 is meshed with the worm wheel 10, the rotation of the worm gear 8 drives the worm wheel 10 and the rotating rod 9 to rotate. The transmission block 11 and the two crosses 12 on the right side of the rotating rod 9 also rotate. The bristles on the right side of the crosses 12 contact the left side of the filter screen 2. As the crosses 12 rotate, the bristles sweep the dust on the surface of the filter screen 2 and sweep the dust into the dust collection box 15, thereby cleaning the filter screen 2 and ensuring the smooth flow of the exhaust system.

[0037] When installing the dust collection box 15, slide the dust collection box 15 into the inner wall of the bottom of the exhaust duct 1. The slots 18 on the protruding plates 16 on both sides of the dust collection box 15 correspond to the limiting components at the bottom of the exhaust duct 1. When the dust collection box 15 is in place, under the action of the return spring 21, the locking block 17 automatically locks into the slot 18 to fix the dust collection box 15 and ensure that it will not move during the dust collection process. When it is necessary to disassemble the dust collection box 15, simply press the locking block 17 inward to release the limiting of the protruding plate 16. At this time, the dust collection box 15 can be easily pulled out from the bottom of the exhaust duct 1 for easy cleaning of the collected dust.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. 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.

Claims

1. A rice mill exhaust system with a dustproof device, comprising an exhaust duct (1), characterized in that: The inner wall of the exhaust duct (1) is fixedly connected with a filter screen (2), the inner wall of the exhaust duct (1) is provided with a dust removal mechanism, and the bottom of the exhaust duct (1) is provided with a collection mechanism. The dust removal mechanism includes two electric guide rails (3). The two electric guide rails (3) are fixedly connected to the inner walls of the front and rear sides of the exhaust duct (1) on opposite sides. Electric sliders (4) are slidably connected to the outer walls of the electric guide rails (3). A connecting plate (5) is fixedly connected to the adjacent sides of the two electric sliders (4). A motor (6) is fixedly connected to the outside of the connecting plate (5). A transmission assembly is fixedly connected to the drive end of the motor (6). Two crosses (12) are fixedly connected to the right side of the transmission assembly. Brush bristles are fixedly connected to the right side of the crosses (12).

2. The rice mill exhaust system with dustproof device according to claim 1, characterized in that: The transmission assembly includes a rotating rod (7), the front side of which is fixedly connected to the drive end of the motor (6). Two worm gears (8) are fixedly connected to the outside of the rotating rod (7). A rotating rod (9) is rotatably connected inside the connecting plate (5). A worm wheel (10) is fixedly connected to the outside of the rotating rod (9). The outside of the worm wheel (10) is meshed with the outside of the worm gear (8). A transmission block (11) is fixedly connected to the right side of the rotating rod (9).

3. The rice mill exhaust system with dustproof device according to claim 2, characterized in that: The outer wall of the rotating rod (7) is rotatably connected to the inner wall of the connecting plate (5), and the outer walls of the two transmission blocks (11) are rotatably connected to the inner wall of the connecting plate (5).

4. The rice mill exhaust system with dustproof device according to claim 2, characterized in that: The left side of the cross (12) is fixedly connected to the right side of the transmission block (11), and the right side of the bristles is in contact with the left side of the filter screen (2).

5. The rice mill exhaust system with dustproof device according to claim 1, characterized in that: An exhaust fan (13) is fixedly connected to the inner wall of the exhaust duct (1), and mounting plates (14) are fixedly connected to both the upper and lower sides of the right end of the exhaust duct (1). The mounting plates (14) have mounting holes inside.

6. The rice mill exhaust system with dustproof device according to claim 1, characterized in that: The collection mechanism includes a dust collection box (15), the outer wall of which is slidably connected to the bottom inner wall of the exhaust duct (1), and protruding plates (16) are fixedly connected to both the front and rear sides of the dust collection box (15). The protruding plates (16) have slots (18) inside, and limit components are provided on both the front and rear sides of the bottom of the exhaust duct (1).

7. The rice mill exhaust system with dustproof device according to claim 6, characterized in that: The limiting component includes a locking block (17), the outer wall of the locking block (17) engages with the inner wall of the locking groove (18), a transmission rod (19) is fixedly connected to the left side of the locking block (17), a square plate (20) is fixedly connected to the left side of the transmission rod (19), and a return spring (21) is fixedly connected to the left side of the square plate (20).

8. The rice mill exhaust system with dustproof device according to claim 7, characterized in that: The outer wall of the transmission rod (19) is slidably connected to the inner wall of the exhaust duct (1). The exhaust duct (1) has chambers on both the front and rear sides at the bottom. The outer wall of the square plate (20) is slidably connected to the inner wall of the chamber. The left side of the reset spring (21) is fixedly connected to the left inner wall of the chamber.

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