Screw conveyer with sealing structure
By designing sealing and noise reduction components on the top of the feed box of the screw conveyor, the problem of the lack of sealing in the feed box structure was solved, achieving sealing and noise reduction effects on the equipment, and improving the operational reliability and environmental friendliness of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FUJIAN SHIMING HEAVY MACHINERY CO LTD
- Filing Date
- 2025-05-19
- Publication Date
- 2026-05-15
AI Technical Summary
The feed box structure of existing screw conveyors lacks effective sealing, allowing external dust and impurities to enter the equipment, affecting material purity and equipment operation.
A sealing assembly was designed, including a cover plate, a sealing ring, and a locking assembly. The cover plate, in conjunction with the sealing ring and the limiting block on the top of the feed box, achieves a seal on the feed box. Meanwhile, a noise reduction assembly absorbs equipment vibration and reduces noise through rubber pads and springs.
It enhances the sealing effect of the equipment, prevents impurities from entering, reduces noise pollution, and extends the service life of the equipment.
Smart Images
Figure CN224241958U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of screw conveyor technology, and in particular to a screw conveyor with a sealed structure. Background Technology
[0002] Screw conveyors, as a common material conveying equipment, are widely used in many industries such as chemical, building materials, and food. They are mainly used to continuously transport various powdery, granular, and small lump materials along a certain conveying line. They play a key role in material transfer and connecting production links in the production process, and are of great significance for improving production efficiency and ensuring the continuity of the production process.
[0003] In existing screw conveyor technology, the feed hopper section typically employs a relatively simple structural design. The feeding method is mostly through an open port, directly introducing material into the feed hopper, and then the screw conveyor transports the material to the designated location. This design is primarily based on the gravity flow of the material and the rotational propulsion principle of the screw blades to achieve the material conveying process from the feed end to the discharge end.
[0004] However, existing screw conveyors have significant defects in their feed box structure. Because the inner wall of the feed box is open to the external environment and lacks effective sealing measures, dust, particles, and other impurities from the external environment can easily enter the equipment during operation. Once these impurities enter the screw conveyor, they will mix with the material being conveyed, affecting not only the purity and quality of the material but also causing wear, jamming, and other malfunctions in the screw conveyor's components. This ultimately affects the normal operation and service life of the equipment. Therefore, a screw conveyor with a sealed structure is proposed to solve these problems. Summary of the Invention
[0005] To overcome the above shortcomings, this utility model provides a screw conveyor with a sealed structure, which aims to improve the problem that when the inner wall of the feed box is connected to the outside, dust, particles and other impurities from the outside can easily enter the equipment through the feed box and affect the materials inside the screw conveyor.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A screw conveyor with a sealed structure includes a screw conveyor, a feed box fixedly connected to the top of the screw conveyor, a sealing component provided on the top of the feed box, a discharge box fixedly connected to the bottom of the screw conveyor, and a noise reduction component provided on the outer wall of the screw conveyor;
[0008] The sealing assembly includes a cover plate that fits against the top of the feed box. Multiple hinges are fixedly connected to one side of the feed box, and the outer walls of the hinges are fixedly connected to one side of the cover plate. A sealing ring is fixedly connected to the bottom of the cover plate. A limiting block is fixedly connected to the inner wall of the feed box, and the sealing ring engages with the inner wall of the limiting block. A connecting plate is fixedly connected to the other side of the cover plate, and a fixing plate is fixedly connected to the other side of the feed box. Multiple sliding grooves are provided inside the fixing plate. Multiple connecting shells are fixedly connected inside the connecting plate, and a locking assembly is provided at the bottom of each connecting shell.
[0009] As a further description of the above technical solution:
[0010] The locking assembly includes multiple locking blocks, each of which is located at the bottom of the second connecting shell. The multiple locking blocks engage with the inside of the fixing plate. A fixing ring is fixedly connected to the inner wall of each second connecting shell. A connecting post is slidably connected inside each fixing ring. The bottom end of each connecting post is fixedly connected to the top of the locking block. A handle is fixedly connected to the top of each connecting post.
[0011] As a further description of the above technical solution:
[0012] Each of the connecting posts is provided with a spring on its outer wall. The bottom of each spring is fixedly connected to the outer wall of the fixing ring, and the top of each spring is in contact with the bottom of the connecting ring.
[0013] As a further description of the above technical solution:
[0014] The noise reduction component includes multiple springs two and three, which are located at the bottom of the screw conveyor. Multiple rubber pads are fixedly connected to the bottom of the screw conveyor.
[0015] As a further description of the above technical solution:
[0016] Each of the rubber pads is fixedly connected to a connecting block at its bottom, and each connecting block is slidably connected to a protective shell on its outer wall.
[0017] As a further description of the above technical solution:
[0018] Each of the connecting blocks has multiple connecting posts 2 and a fixing block fixedly connected to its bottom. Each of the connecting posts 2 has a connecting shell 1 slidably connected to its outer wall. The bottom of the connecting shell 1 is fixedly connected to the bottom of the inner wall of the protective shell. The top of each of the spring 2 is fixedly connected to the bottom of the connecting post 2. The bottom of each of the spring 2 is fixedly connected to the bottom of the inner wall of the connecting shell 1.
[0019] As a further description of the above technical solution:
[0020] Each of the fixed blocks is rotatably connected to a transmission plate, and each of the transmission plates is rotatably connected to a slider, which is slidably connected inside the protective shell.
[0021] As a further description of the above technical solution:
[0022] Each of the three springs is fixedly connected at one end to the outer wall of the slider, and the other end of the multiple springs is fixedly connected to the inner wall of the protective shell.
[0023] This utility model has the following beneficial effects:
[0024] 1. In this utility model, the connection between the cover plate and the feed box is sealed by a sealing ring, and the top of the feed box is sealed by a locking block that engages with the inside of the fixing plate. This solves the problem that when the inner wall of the feed box is connected to the outside, dust, particles and other impurities from the outside can easily enter the equipment through the feed box and affect the material inside the screw conveyor, thus enhancing the sealing effect of the equipment.
[0025] In this invention, the vibration force of the screw conveyor is transmitted to the surfaces of springs two and three by connecting column two and transmission plate. The elasticity of rubber pads, springs two and three is used to reduce the vibration force of the equipment, thereby achieving a noise reduction effect. This solves the problem that traditional equipment generates a lot of noise during use due to friction between the screw blades and the material, rotation of the screw shaft and bearings, and vibration of the equipment, which causes certain problems to the working environment. This invention enhances the noise reduction effect of the equipment. Attached Figure Description
[0026] Figure 1 This is a three-dimensional schematic diagram of the screw conveyor with a sealed structure proposed in this utility model;
[0027] Figure 2 This is an exploded structural diagram of the sealing ring of the screw conveyor with a sealing structure proposed in this utility model.
[0028] Figure 3 This is a schematic diagram of the locking block structure of the screw conveyor with a sealing structure proposed in this utility model;
[0029] Figure 4 This is a schematic diagram of the two cross-sectional views of the connecting shell of the screw conveyor with a sealing structure proposed in this utility model.
[0030] Figure 5 This is a schematic diagram of the spring-loaded explosion structure of the screw conveyor with a sealed structure proposed in this utility model.
[0031] Legend:
[0032] 1. Screw conveyor; 2. Feed box; 3. Discharge box; 4. Cover plate; 5. Sealing ring; 6. Limit block; 7. Hinge; 8. Connecting plate; 9. Fixing plate; 10. Handle; 11. Slide groove; 12. Locking block; 13. Connecting column one; 14. Connecting ring; 15. Spring one; 16. Fixing ring; 17. Rubber pad; 18. Connecting block; 19. Protective shell; 20. Connecting column two; 21. Spring two; 22. Connecting shell one; 23. Fixing block; 24. Transmission plate; 25. Sliding block; 26. Spring three; 27. Connecting shell two. Detailed Implementation
[0033] 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.
[0034] Reference Figures 1-4 The present invention provides an embodiment of a screw conveyor with a sealed structure, comprising a screw conveyor 1, which introduces material into a feed box 2 and then conveys the material to a designated position. The feed box 2 is fixedly connected to the top of the screw conveyor 1 and is used for material feeding and temporary storage. A sealing component is provided on the top of the feed box 2 to prevent external impurities from entering the equipment. A discharge box 3 is fixedly connected to the bottom of the screw conveyor 1 and is used for material discharge and collection. A noise reduction component is provided on the outer wall of the screw conveyor 1 to reduce noise and vibration during equipment operation.
[0035] The sealing assembly includes a cover plate 4, which closes the top of the feed hopper 2. The cover plate 4 fits snugly against the top of the feed hopper 2. Multiple hinges 7 are fixedly connected to one side of the feed hopper 2, connecting the cover plate 4 and the feed hopper 2 and allowing the cover plate 4 to rotate. The outer walls of the multiple hinges 7 are fixedly connected to one side of the cover plate 4. A sealing ring 5 is fixedly connected to the bottom of the cover plate 4, enhancing the seal between the cover plate 4 and the feed hopper 2. A limiting block 6 is fixedly connected to the inner wall of the feed hopper 2, restricting the sealing ring 5. The sealing ring 5 engages with the inner wall of the limiting block 6 to ensure a proper position and seal. A connecting plate 8 is fixedly connected to the other side of the cover plate 4, used to fix the position of the cover plate 4. A fixing plate 9 is fixedly connected to the other side of the feed box 2, providing the mounting base for the positioning assembly. Multiple sliding grooves 11 are provided inside the fixing plate 9 to guide the movement of the locking block 12. Multiple connecting shells 27 are fixedly connected inside the connecting plate 8 to accommodate the positioning assembly. A locking assembly is provided at the bottom to fix the position of the cover plate 4. The locking assembly includes multiple locking blocks 12, which are used to engage with the fixing plate 9 to fix the cover plate 4. Each locking block 12 is located at the bottom of the connecting shell 27. The multiple locking blocks 12 engage with the inside of the fixing plate 9. A fixing ring 16 is fixedly connected to the inner wall of each connecting shell 27. The fixing ring 16 is used to support the connecting post 13 and the spring 15. The connecting post 13 is slidably connected inside each fixing ring 16. 3 is used to connect the handle 10 and the locking block 12. The bottom end of each connecting post 13 is fixedly connected to the top of the locking block 12. The top end of each connecting post 13 is fixedly connected to the handle 10. The handle 10 is used to operate the locking assembly. The outer wall of each connecting post 13 is provided with a spring 15. The spring 15 is used to provide a rebound force to make the locking block 12 engage with the fixing plate 9. The bottom of each spring 15 is fixedly connected to the outer wall of the fixing ring 16. The top of each spring 15 is in contact with the bottom of the connecting ring 14.
[0036] Reference Figure 1 and Figure 5The noise reduction component includes multiple springs 21 and 26, which are used to absorb and dampen vibrations. These springs are located at the bottom of the screw conveyor 1. Multiple rubber pads 17 are fixedly connected to the bottom of the screw conveyor 1, providing initial vibration damping. Each rubber pad 17 has a fixed connecting block 18 at its bottom, which transmits vibrations and connects to the noise reduction component. A protective shell 19 is slidably connected to the outer wall of each connecting block 18, limiting its movement and providing protection. Multiple connecting posts 20 and fixing blocks 23 are fixedly connected to the bottom of each connecting block 18. Connecting posts 20 connect to springs 21 and transmit vibrations, while fixing blocks 23 connect to the transmission plate 24 and transmit vibrations. A connecting shell 20 is slidably connected to the outer wall of each connecting post 20. 2. Connecting shell 1 22 is used to guide the movement of connecting post 20. The bottom of connecting shell 1 22 is fixedly connected to the bottom of the inner wall of protective shell 19. The top of each spring 21 is fixedly connected to the bottom of connecting post 20. Spring 21 is used to absorb vertical vibration. The bottom of each spring 21 is fixedly connected to the bottom of the inner wall of connecting shell 1 22. A transmission plate 24 is rotatably connected inside each fixing block 23. The transmission plate 24 is used to transmit vibration to slider 25. A slider 25 is rotatably connected inside each transmission plate 24. The slider 25 is used to compress spring 3 26 and absorb horizontal vibration. The slider 25 is slidably connected inside the protective shell 19. One end of each spring 3 26 is fixedly connected to the outer wall of slider 25. Spring 3 26 is used to absorb horizontal vibration. The other end of multiple springs 3 26 is fixedly connected to the inner wall of protective shell 19.
[0037] Working principle: During the sealing process of the top of the feed box 2, the rotating cover plate 4 rotates around the hinge 7 until the bottom of the cover plate 4 is in contact with the top of the feed box 2. During this process, the sealing ring 5 moves to the inner wall of the limiting block 6, which limits the position of the sealing ring 5. At the same time, the sealing ring 5 seals the connection between the feed box 2 and the cover plate 4. Next, the handle 10 is pressed down, which drives the locking block 12 to slide on the inner wall of the slide groove 11 through the connecting column 13 until the locking block 12 is moved to the bottom of the fixing plate 9. During this process, the connecting ring 14 compresses the spring 15. Then, the handle 10 is rotated 90 degrees, which drives the locking block 12 at the bottom of the connecting column 13 to move synchronously. The rotating mechanism, due to the contact between the connecting ring 14 and the top of the spring 15, ensures that the rotation of the connecting ring 14 on the outer wall of the connecting column 13 will not affect the surrounding components. Then, the pressure on the handle 10 is released, and the rebound force of the spring 15 pushes the locking block 12 to engage with the inside of the fixing plate 9, thereby fixing the position of the cover plate 4 on one side of the connecting plate 8. This ensures that the sealing ring 5 is always fully pressed and adhered to the inner wall of the limiting block 6, achieving a sealing effect on the top of the feed box 2. This solves the problem that when the inner wall of the feed box 2 is connected to the outside, dust, particles and other impurities from the outside can easily enter the equipment through the feed box 2, affecting the material inside the screw conveyor 1, thus enhancing the sealing effect of the equipment.
[0038] During the noise reduction process, the vibration force generated by the operation of the screw conveyor 1 is transmitted to the surface of the rubber pad 17. The softness of the rubber pad 17 buffers part of the vibration force, and the remaining vibration force causes the connecting block 18 to slide up and down on the inner wall of the protective shell 19. The protective shell 19 limits the movement direction of the connecting block 18. During this process, the fixed block 23 and the second connecting column 20 also move up and down synchronously. As the fixed blocks 23 move, they drive the slider 25 to slide in the opposite direction inside the protective shell 19 via the transmission plate 24, compressing the spring 26. The second connecting column 20 moves... Simultaneously, it will cause the second spring 21 to compress, and the connecting shell 22 will limit the movement direction of the connecting column 20. The elastic characteristics of the third spring 26 and the second spring 21 will reduce the vibration force generated by the operation of the screw conveyor 1, thereby achieving the noise reduction effect of the equipment. This solves the problem that traditional equipment generates a lot of noise during use due to friction between the screw blades and the material, rotation of the screw shaft and bearings, and vibration of the equipment, which has a certain impact on the working environment. Long-term exposure to such an environment can also harm the health of the operators. This enhances the noise reduction effect of the equipment.
[0039] 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 screw conveyor with a sealed structure, comprising a screw conveyor (1), characterized in that: The top of the screw conveyor (1) is fixedly connected to a feed box (2), the top of the feed box (2) is provided with a sealing component, the bottom of the screw conveyor (1) is fixedly connected to a discharge box (3), and the outer wall of the screw conveyor (1) is provided with a noise reduction component; The sealing assembly includes a cover plate (4), which is attached to the top of the feed box (2). A plurality of hinges (7) are fixedly connected to one side of the feed box (2). The outer walls of the plurality of hinges (7) are fixedly connected to one side of the cover plate (4). A sealing ring (5) is fixedly connected to the bottom of the cover plate (4). A limiting block (6) is fixedly connected to the inner wall of the feed box (2). The sealing ring (5) engages with the inner wall of the limiting block (6). A connecting plate (8) is fixedly connected to the other side of the cover plate (4). A fixing plate (9) is fixedly connected to the other side of the feed box (2). A plurality of sliding grooves (11) are provided inside the fixing plate (9). A plurality of connecting shells (27) are fixedly connected inside the connecting plate (8). A locking assembly is provided at the bottom of the connecting shells (27).
2. The screw conveyor with a sealed structure according to claim 1, characterized in that: The locking assembly includes multiple locking blocks (12), each of which is located at the bottom of the second connecting shell (27). The multiple locking blocks (12) engage with the inside of the fixing plate (9). Each inner wall of the second connecting shell (27) is fixedly connected to a fixing ring (16). Each fixing ring (16) is slidably connected to a first connecting post (13). The bottom end of each first connecting post (13) is fixedly connected to the top of the locking block (12). The top end of each first connecting post (13) is fixedly connected to a handle (10).
3. The screw conveyor with a sealed structure according to claim 2, characterized in that: Each of the connecting posts (13) is provided with a spring (15) on its outer wall. The bottom of each spring (15) is fixedly connected to the outer wall of the fixing ring (16), and the top of each spring (15) is in contact with the bottom of the connecting ring (14).
4. The screw conveyor with a sealed structure according to claim 1, characterized in that: The noise reduction component includes multiple springs two (21) and springs three (26), which are located at the bottom of the screw conveyor (1), and multiple rubber pads (17) are fixedly connected to the bottom of the screw conveyor (1).
5. The screw conveyor with a sealed structure according to claim 4, characterized in that: Each of the rubber pads (17) is fixedly connected to a connecting block (18) at its bottom, and each of the connecting blocks (18) is slidably connected to a protective shell (19) on its outer wall.
6. The screw conveyor with a sealed structure according to claim 5, characterized in that: Each of the connecting blocks (18) is fixedly connected to a plurality of connecting posts (20) and a fixing block (23) at its bottom. Each of the connecting posts (20) is slidably connected to a connecting shell (22) on its outer wall. The bottom of the connecting shell (22) is fixedly connected to the bottom of the inner wall of the protective shell (19). The top of each of the springs (21) is fixedly connected to the bottom of the connecting post (20). The bottom of each of the springs (21) is fixedly connected to the bottom of the inner wall of the connecting shell (22).
7. The screw conveyor with a sealed structure according to claim 6, characterized in that: Each of the fixed blocks (23) is rotatably connected to a transmission plate (24), and each of the transmission plates (24) is rotatably connected to a slider (25), which is slidably connected inside the protective shell (19).
8. The screw conveyor with a sealed structure according to claim 7, characterized in that: One end of each of the three springs (26) is fixedly connected to the outer wall of the slider (25), and the other end of the plurality of three springs (26) is fixedly connected to the inner wall of the protective shell (19).