A closed conveying device for refined quartz sand in production line feeding

Abstract

The utility model provides a production line loading dustproof refined quartz sand closed conveying device, including feed hopper, the one side fixed coupling of feed hopper has the conveying pipe, the inner wall rotation cooperation of conveying pipe has the conveying auger, the lower side fixed coupling of conveying auger has the discharge pipe, the lower side mounting of feed hopper has the drive motor, the upper side fixed coupling of feed hopper has the feed pipe. Through set up closed conveying structure, buffer and adjusting mechanism, realize material whole course closed conveying and accurate control feeding rhythm, reduce dust emission greatly, flexible sealing structure realizes the sealed connection of feed pipe and feeding pipeline, the buffer part weakens material impact and avoids splashing, adjusting mechanism can control material adding speed, both guarantee conveying efficiency, avoid the problem of dust intensification caused by feeding too fast, many structures improve the dust pollution of operation environment, reduce the influence of dust on personnel health and equipment, guarantee production efficient and stable development.

Description

Technical Field

[0001] This utility model relates to the field of building manufacturing technology, specifically to a closed conveying device for refined quartz sand in a production line to prevent dust generation. Background Technology

[0002] Refined silica sand is a key raw material in high-end manufacturing fields such as semiconductors, photovoltaics, and precision casting. Its purity and the cleanliness of the production environment directly affect the quality of the end products. Therefore, the material transfer in the production line feeding process must take into account both efficiency and dust prevention. At present, the industry generally uses equipment such as screw conveyors and belt conveyors to complete the feeding of silica sand. In order to reduce dust, existing devices mostly achieve basic protection by adding simple metal sealing covers or flexible dust curtains, which can only play a preliminary role in blocking the spread of dust during the transportation process.

[0003] However, due to the design flaws of traditional feeding structures, materials need to fall directly from the silo or feeding equipment into the feed inlet of the conveying device. During this process, the quartz sand particles are violently mixed with the air due to gravity impact, which easily generates a large amount of dust. This not only wastes materials but also pollutes the production environment and threatens the health of workers. At the same time, dust accumulation may also cause equipment failure and affect the continuous and stable operation of the production line. Utility Model Content

[0004] To address the shortcomings of existing technologies, the purpose of this invention is to provide a closed conveying device for refined quartz sand on a production line to prevent dust generation, thus solving the problems mentioned in the background section. This invention features a novel structure. By incorporating a closed conveying structure, a buffer mechanism, and an adjusting mechanism, it achieves fully closed material conveying and precise control of the feeding rhythm, significantly reducing dust leakage. The flexible sealing structure ensures a sealed connection between the feed pipe and the feeding pipeline. The buffer component weakens material impact and prevents splashing. The adjusting mechanism controls the material feeding speed, ensuring conveying efficiency while avoiding the problem of increased dust generation caused by excessive feeding. The multi-structure synergy improves dust pollution in the working environment, reduces the impact of dust on personnel health and equipment, and ensures efficient and stable production.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a closed conveying device for preventing dust generation during production line feeding of refined quartz sand, comprising a feeding hopper, a conveying pipe fixedly connected to one side of the feeding hopper, a conveying auger rotatably fitted to the inner wall of the conveying pipe, a discharge pipe fixedly connected to the lower side of the conveying auger, a drive motor installed on the lower side of the feeding hopper, a feeding pipe fixedly connected to the upper side of the feeding hopper, an adjusting mechanism provided inside the feeding pipe, a receiving annular groove opened on the inner wall of the feeding pipe, an annular airbag provided inside the receiving annular groove, and an air pump installed on the upper side of the feeding hopper.

[0006] Furthermore, the output end of the drive motor is fixedly connected to one end of the delivery pipe through a reducer, and the output end of the air pump extends into the interior of the receiving annular groove and is fixedly connected to the annular airbag.

[0007] Furthermore, the inner circumference of the feed pipe is fixedly connected with multiple cooperating flexible rubber sheets.

[0008] Furthermore, both sides of the inner wall of the feed hopper are rotatably fitted with arc-shaped buffer plates, and two second springs are fixedly connected to opposite sides of the two arc-shaped buffer plates. One end of each of the second springs is fixedly connected to the inner wall of the feed hopper.

[0009] Furthermore, the adjustment mechanism includes a rotating shaft rotatably fitted on the inner wall of the feed tube, an adjustment disc fixedly connected to the rotating shaft, a knob fixedly connected to one end of the rotating shaft extending to the outside of the feed tube, a slotted wheel fixedly connected to the rotating shaft on the outside of the feed tube, a T-shaped locking block rotatably fitted to the outside of the feed tube near the slotted wheel, and a first spring fixedly connected to one end of the T-shaped locking block.

[0010] Furthermore, one end of the first spring is fixedly connected to the outside of the feed pipe, and the movable end of the T-shaped locking block is engaged with the groove of the locking wheel.

[0011] Furthermore, a vacuum cleaner is installed on one side of the feed hopper, and the input end of the vacuum cleaner extends into the interior of the feed hopper.

[0012] Furthermore, multiple crushing plates are fixedly connected to the outer side of one end of the conveying auger inside the feed hopper, and multiple separating rods are fixedly connected to the outer side of the other end of the conveying auger.

[0013] The beneficial effects of this utility model are: 1. This utility model achieves fully enclosed material conveying and precise control of the feeding rhythm by setting up a closed conveying structure, a buffer mechanism, and an adjustment mechanism, which greatly reduces dust leakage. The flexible sealing structure achieves a sealed connection between the feed pipe and the feeding pipe, the buffer component weakens the impact of materials and avoids splashing, and the adjustment mechanism can control the material feeding speed. This ensures conveying efficiency and avoids the problem of increased dust caused by excessive feeding. The multi-structure synergy improves dust pollution in the working environment, reduces the impact of dust on personnel health and equipment, and ensures efficient and stable production.

[0014] 2. By setting up a crushing and separating structure, this utility model breaks up material clumps and sorts out material distribution during the conveying process, improves the smoothness of material conveying, avoids clumps from getting stuck and affecting conveying efficiency, and reduces secondary dust generated by clump collisions, further improving dust prevention effect and overall conveying efficiency. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a closed conveying device for preventing dust generation during the feeding of refined quartz sand on a production line, according to the present invention. Figure 2 This is a rear view structural schematic diagram of a closed conveying device for preventing dust generation during production line feeding of refined quartz sand according to the present invention. Figure 3 This is a schematic cross-sectional view of the overall structure of a closed conveying device for preventing dust generation during the feeding of refined quartz sand on a production line, according to the present invention. Figure 4 This utility model relates to a closed conveying device for preventing dust generation during the feeding of refined quartz sand on a production line. Figure 3 Enlarged structural diagram at point A in the middle; Figure 5 This is a schematic diagram of the cross-sectional structure of the feed pipe of a closed conveying device for preventing dust generation during the feeding of refined quartz sand on a production line, according to the present invention. Figure 6 This is a schematic diagram of the adjustment mechanism of a closed conveying device for preventing dust generation of refined quartz sand on a production line, according to the present invention.

[0016] In the diagram: 1. Feed hopper; 2. Conveying pipe; 3. Conveying auger; 4. Discharge pipe; 5. Drive motor; 6. Feeding pipe; 7. Adjusting mechanism; 71. Rotating shaft; 72. Adjusting disc; 73. Knob; 74. Slotted wheel; 75. T-shaped locking block; 76. First spring; 8. Receiving ring groove; 9. Annular airbag; 10. Air pump; 11. Flexible rubber sheet; 12. Arc-shaped buffer plate; 13. Second spring; 14. Vacuum cleaner; 15. Crushing plate; 16. Separating rod. Detailed Implementation

[0017] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0018] Please refer to Figures 1 to 6This utility model provides a technical solution: a closed conveying device for refined quartz sand on a production line to prevent dust generation, comprising a feeding hopper 1, a conveying pipe 2 fixedly connected to one side of the feeding hopper 1, a conveying auger 3 rotatably fitted to the inner wall of the conveying pipe 2, a discharge pipe 4 fixedly connected to the lower side of the conveying auger 3, a drive motor 5 installed on the lower side of the feeding hopper 1, a feeding pipe 6 fixedly connected to the upper side of the feeding hopper 1, an adjusting mechanism 7 provided inside the feeding pipe 6, a receiving annular groove 8 formed on the inner wall of the feeding pipe 6, an annular airbag 9 provided inside the receiving annular groove 8, and an air pump 10 installed on the upper side of the feeding hopper 1. The output end of the drive motor 5 is fixedly connected to one end of the conveying pipe 2 through a reducer, and the output end of the air pump 10 extends into the receiving annular groove 8 and is fixedly connected to the annular airbag 9. Multiple cooperating flexible rubber sheets 11 are fixedly connected to the circumference of the inner wall of the feeding pipe 6. During feeding, the air pump 10 is started to inflate the annular airbag 9 in the receiving annular groove 8, causing it to expand and seal against the feeding pipe. Together with the flexible rubber sheet 11 on the inner wall of the feeding pipe 6, the incoming material is initially buffered to reduce dust. The drive motor 5 drives the conveying auger 3 to rotate via the reducer. After the material enters the feeding hopper 1 through the feeding pipe 6, it is conveyed to the discharge pipe 4 through the conveying auger 3 and discharged. The entire process is sealed to reduce dust diffusion and ensure a clean working environment.

[0019] In this embodiment, two curved buffer plates 12 are rotatably fitted on both sides of the inner wall of the feed hopper 1. Two second springs 13 are fixedly connected to opposite sides of the two curved buffer plates 12, and one end of each second spring 13 is fixedly connected to the inner wall of the feed hopper 1. A vacuum cleaner 14 is installed on one side of the feed hopper 1, and the input end of the vacuum cleaner 14 extends into the interior of the feed hopper 1. Multiple crushing plates 15 are fixedly connected to the outer side of one end of the conveying auger 3 located inside the feed hopper 1, and multiple separating rods 16 are fixedly connected to the outer side of the other end of the conveying auger 3. When material falls into the feed hopper 1, the curved buffer plates 12 buffer the impact of the material under the action of the second springs 13, avoiding material splashing and dust generation; the vacuum cleaner 14 continuously extracts the dust in the feed hopper 1, further purifying the environment; when the conveying auger 3 rotates, the crushing plates 15 break up material clumps, and the separating rods 16 comb the material, ensuring smooth conveying and reducing dust generated by collisions of clumps.

[0020] In this embodiment, the adjustment mechanism 7 includes a rotating shaft 71 rotatably fitted on the inner wall of the feed pipe 6. An adjustment disc 72 is fixedly connected to the rotating shaft 71. One end of the rotating shaft 71 extends to the outside of the feed pipe 6 and is fixedly connected to a knob 73. A slotted wheel 74 is fixedly connected to the rotating shaft 71 on the outside of the feed pipe 6. A T-shaped locking block 75 is rotatably fitted on the outside of the feed pipe 6 near the slotted wheel 74. One end of the T-shaped locking block 75 is fixedly connected to a first spring 76. One end of the first spring 76 is fixedly connected to the outside of the feed pipe 6, and the movable end of the T-shaped locking block 75 engages with the groove of the slotted wheel 74. According to the material conveying requirements, rotating the knob 73 drives the rotating shaft 71 and the adjustment disc 72 to rotate, adjusting the feed inlet diameter of the feed pipe 6. After adjustment, the first spring 76 pushes the T-shaped locking block 75 into the groove of the slotted wheel 74, fixing the position of the adjustment disc 72, thereby achieving precise control of the feed amount, avoiding excessive feeding that could lead to blockage or increased dust, and ensuring stable and efficient operation of the device.

[0021] When using the device, first adjust and fix the feed pipe 6 feed inlet diameter according to the material quantity using the adjustment mechanism 7. When the material enters through the feed pipe 6, the annular airbag 9 inflates and seals, and the flexible rubber sheet 11 prevents dust from leaking out. After the material falls into the feed hopper 1, the arc-shaped buffer plate 12 buffers the impact, and the vacuum cleaner 14 extracts the internal dust. The drive motor 5 drives the conveying auger 3 to rotate, and the crushing plate 15 on it breaks up clumps and the separating rod 16 combs the material to ensure that the material is smoothly conveyed to the discharge pipe 4 for discharge. The entire process avoids dust pollution and ensures conveying efficiency and stability through a closed structure, dust extraction, material buffering and conveying optimization.

[0022] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model.

[0023] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A closed conveying device for refined quartz sand on a production line to prevent dust generation, comprising a feed hopper (1), characterized in that: A conveying pipe (2) is fixedly connected to one side of the feeding hopper (1). A conveying auger (3) is rotatably fitted to the inner wall of the conveying pipe (2). A discharge pipe (4) is fixedly connected to the lower side of the conveying auger (3). A drive motor (5) is installed on the lower side of the feeding hopper (1). A feeding pipe (6) is fixedly connected to the upper side of the feeding hopper (1). An adjusting mechanism (7) is provided inside the feeding pipe (6). A receiving ring groove (8) is opened on the inner wall of the feeding pipe (6). An annular airbag (9) is provided inside the receiving ring groove (8). An air pump (10) is installed on the upper side of the feeding hopper (1).

2. The closed conveying device for preventing dust generation during production line feeding of refined quartz sand according to claim 1, characterized in that: The output end of the drive motor (5) is fixedly connected to one end of the delivery pipe (2) through a reducer, and the output end of the air pump (10) extends into the interior of the receiving ring groove (8) and is fixedly connected to the annular airbag (9).

3. The closed conveying device for preventing dust generation during production line feeding of refined quartz sand according to claim 1, characterized in that: The inner wall of the feed pipe (6) is fixedly connected with a plurality of matching flexible rubber sheets (11).

4. The closed conveying device for preventing dust generation during production line feeding of refined quartz sand according to claim 1, characterized in that: Both sides of the inner wall of the feed hopper (1) are fitted with arc-shaped buffer plates (12), and two second springs (13) are fixedly connected to opposite sides of the two arc-shaped buffer plates (12). One end of the multiple second springs (13) is fixedly connected to the inner wall of the feed hopper (1).

5. The closed conveying device for preventing dust generation during production line feeding of refined quartz sand according to claim 1, characterized in that: The adjustment mechanism (7) includes a rotating shaft (71) rotatably fitted on the inner wall of the feed pipe (6), an adjustment disc (72) fixedly connected to the rotating shaft (71), a knob (73) fixedly connected to one end of the rotating shaft (71) extending to the outside of the feed pipe (6), a slotted wheel (74) fixedly connected to the rotating shaft (71) on the outside of the feed pipe (6), a T-shaped locking block (75) rotatably fitted to the outside of the feed pipe (6) near the slotted wheel (74), and a first spring (76) fixedly connected to one end of the T-shaped locking block (75).

6. The closed conveying device for preventing dust generation during production line feeding of refined quartz sand according to claim 5, characterized in that: One end of the first spring (76) is fixedly connected to the outside of the feed pipe (6), and the movable end of the T-shaped block (75) is engaged with the groove of the slot wheel (74).

7. The closed conveying device for preventing dust generation during production line feeding of refined quartz sand according to claim 1, characterized in that: A vacuum cleaner (14) is installed on one side of the feed hopper (1), and the input end of the vacuum cleaner (14) extends into the interior of the feed hopper (1).

8. The closed conveying device for preventing dust generation during production line feeding of refined quartz sand according to claim 1, characterized in that: The conveying auger (3) is located inside the feed hopper (1) with a plurality of crushing plates (15) fixedly connected to the outer side of one end, and a plurality of separating rods (16) fixedly connected to the outer side of the other end.

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