Large classification screening equipment for nylon powder production

Abstract

The utility model discloses large-scale classification screening equipment for nylon powder production, which comprises a box body, the inner side wall of a fixed frame is fixedly connected with a connecting column, the outer part of the connecting column is in sliding connection with a movable plate, the top of the movable plate is fixedly connected with a limiting frame and a fixed block, the outer part of the limiting column is sleeved with a screen plate, and the fixed block is fixedly connected with the fixed block. A second compression spring is fixedly connected to the inner side wall of the sliding groove, a connecting frame is slidably connected to the inner side wall of the sliding groove, a connecting plate is fixedly connected between the two movable plates, and a first rotating column, a second rotating column and a third rotating column are rotatably connected to the interior of the box body; protruding blocks are fixedly connected to the ends of the first rotating column, the second rotating column and the third rotating column. According to the screening device, through the arrangement of the limiting columns, the limiting frames, the second compression springs and the connecting frames, the convenience of mounting and dismounting of the screening plate is improved, and through the arrangement of the first synchronous belt and the second synchronous belt, the convenience of using the device is improved.

Description

Technical Field

[0001] This utility model relates to the field of screening equipment technology, and in particular to a large-scale grading and screening equipment for nylon powder production. Background Technology

[0002] The working principle of nylon powder grading and screening equipment is to use the vibration of the vibrating screen to make the nylon powder be stratified and screened on the screen. The vibrating motor drives the vibrating screen to vibrate at high frequency, making the powder jump and roll on the screen, thereby achieving the separation of powders of different particle sizes. Smaller particles fall through the screen aperture, while larger particles remain on the screen, thus achieving the purpose of grading and screening.

[0003] Existing large-scale grading and screening equipment for nylon powder production uses three sieve plates with different aperture sizes to separate the nylon powder into layers. However, multiple sieve plates are fixed inside the equipment with fixing bolts, which makes it inconvenient to disassemble and install the sieve plates. Therefore, there is a need for a new type of large-scale grading and screening equipment for nylon powder production. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a large-scale grading and screening device for nylon powder production.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a large-scale grading and screening equipment for nylon powder production, comprising a housing, a fixed frame fixedly connected to the inner side wall of the housing, a connecting column fixedly connected to the inner side wall of the fixed frame, a first compression spring sleeved on the outside of the connecting column, a movable plate slidably connected to the outside of the connecting column, and the first compression spring abutting against the top of the movable plate, a limiting frame and a fixing block fixedly connected to the top of the movable plate, a limiting column fixedly connected to the top of the fixing block, a sieve plate sleeved on the outside of the limiting column, a sliding groove opened inside the sieve plate, a second compression spring fixedly connected to the inner side wall of the sliding groove, a connecting frame slidably connected to the inner side wall of the sliding groove, and the end of the connecting frame engaging with the inside of the limiting frame, two movable plates are provided, a connecting plate fixedly connected between the two movable plates, and a first rotating column, a second rotating column and a third rotating column rotatably connected inside the housing, and protrusions fixedly connected to the ends of the first rotating column, the second rotating column and the third rotating column.

[0006] Furthermore, the screen plate has a limiting groove inside, and the limiting post is located inside the limiting groove.

[0007] Furthermore, there are two connecting columns, which are symmetrically distributed inside the fixing frame.

[0008] Furthermore, a feed hopper is fixedly connected to the top of the box, and a discharge port is provided at the bottom of the box.

[0009] Furthermore: a support plate is fixedly connected to the side surface of the box, a motor is fixedly connected to the top of the support plate, and the end of the first rotating column away from the protrusion is fixedly connected to the output end of the motor.

[0010] Furthermore: the circumferential surfaces of the first rotating column and the second rotating column are both fixedly connected to the first synchronous pulleys, and the two first synchronous pulleys are fitted with the first synchronous belts; the circumferential surfaces of the second rotating column and the third rotating column are both fixedly connected to the second synchronous pulleys, and the two second synchronous pulleys are fitted with the second synchronous belts.

[0011] This utility model has the following beneficial effects:

[0012] 1. Compared with the prior art, this large-scale grading and screening equipment for nylon powder production, by setting up limiting posts, limiting frames, a second compression spring, and a connecting frame, requires that the connecting frame be pushed inward from both ends of the screen plate during installation, so that the connecting frame compresses the second compression spring and moves into the slide groove, and then the screen plate is locked on the limiting posts to limit the screen plate. Then the connecting frame is released, and the connecting frame is locked inward with the limiting frame under the reaction force of the second compression spring, thus completing the installation of the screen plate. During disassembly, it is only necessary to push the connecting frame to separate the connecting frame from the limiting frame and remove the screen plate from the limiting posts, which helps to improve the convenience of screen plate installation and disassembly.

[0013] 2. Compared with the prior art, this large-scale grading and screening equipment for nylon powder production, by setting a first synchronous belt and a second synchronous belt, when the device is in use, the starting motor drives the first rotating column to rotate, and the two first synchronous pulleys and a first synchronous belt drive the second rotating column to rotate. When the second rotating column rotates, the two second synchronous pulleys and a second synchronous belt also drive the third rotating column to rotate. In turn, the protrusions strike the upper connecting plate, thereby indirectly vibrating the different screen plates above, thus screening and stratifying the nylon powder on the screen plates, which helps to improve the ease of use of the device. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure proposed in this utility model;

[0015] Figure 2 This is a cross-sectional view of the internal structure proposed in this utility model;

[0016] Figure 3 The present utility model proposes Figure 2 Enlarged view of point A in the middle;

[0017] Figure 4 The present utility model proposes Figure 2 Enlarged view of section B in the middle.

[0018] Legend:

[0019] 1. Box body; 2. Fixing frame; 3. Connecting column; 4. First compression spring; 5. Movable plate; 6. Limiting frame; 7. Fixing block; 8. Limiting column; 9. Screen plate; 10. Limiting groove; 11. Sliding groove; 12. Second compression spring; 13. Connecting frame; 14. Connecting plate; 15. First rotating column; 16. Protrusion; 17. Motor; 18. First synchronous pulley; 19. First synchronous belt; 20. Second rotating column; 21. Second synchronous pulley; 22. Third rotating column; 23. Second synchronous belt; 24. Feed hopper; 25. Discharge port. Detailed Implementation

[0020] 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.

[0021] Reference Figure 1-4This utility model provides a large-scale grading and screening device for nylon powder production: It includes a housing 1, with a door installed on the outside of the housing 1 to prevent nylon powder from leaking out. A fixing frame 2 is fixedly connected to the inner side wall of the housing 1, and a connecting column 3 is fixedly connected to the inner side wall of the fixing frame 2. A first compression spring 4 is sleeved on the outside of the connecting column 3. A movable plate 5 is slidably connected to the outside of the connecting column 3, and the first compression spring 4 is in contact with the top of the movable plate 5. A limit frame 6 and a fixing block 7 are fixedly connected to the top of the movable plate 5, and a limit column 8 is fixedly connected to the top of the fixing block 7. The outer side of the 8 is fitted with a sieve plate 9, and the inside of the sieve plate 9 is provided with a sliding groove 11. A second compression spring 12 is fixedly connected to the inner side wall of the sliding groove 11. A connecting frame 13 is slidably connected to the inner side wall of the sliding groove 11, and the end of the connecting frame 13 is engaged with the inside of the limiting frame 6. There are two movable plates 5, and a connecting plate 14 is fixedly connected between the two movable plates 5. The inside of the box 1 is rotatably connected with a first rotating column 15, a second rotating column 20, and a third rotating column 22, and the ends of the first rotating column 15, the second rotating column 20, and the third rotating column 22 are all fixedly connected with protrusions 16. When installing the sieve plate 9, the connecting frame 13 needs to be pushed inward from both ends of the sieve plate 9 simultaneously, so that the connecting frame 13 compresses the second compression spring 12 and moves into the slide groove 11. Then, the sieve plate 9 is locked onto the limiting post 8 to limit the sieve plate 9. Then, the connecting frame 13 is released, and under the push of the reaction force of the second compression spring 12, the connecting frame 13 is locked into the limiting frame 6, thus completing the installation of the sieve plate 9. When disassembling, simply push the connecting frame 13 to separate the connecting frame 13 from the limiting frame 6 and remove the sieve plate 9 from the limiting post 8. This helps to improve the convenience of installing and disassembling the sieve plate 9.

[0022] The screen plate 9 has a limiting groove 10 inside, and the limiting post 8 is located inside the limiting groove 10. There are three screen plates 9 in total, and the aperture gradually decreases from top to bottom.

[0023] There are two connecting posts 3, which are symmetrically distributed inside the fixed frame 2. The two connecting posts 3 are used to limit the movement of the two movable plates 5 and are connected by the connecting plate 14.

[0024] The top of the housing 1 is fixedly connected to the feed hopper 24, and the bottom of the housing 1 is provided with the discharge port 25. When the device is in use, the nylon powder that needs to be layered is poured into the housing 1 from the feed hopper 24, and after passing through three layers of screening, it is discharged from the discharge port 25.

[0025] A support plate is fixedly connected to the side surface of the housing 1, and a motor 17 is fixedly connected to the top of the support plate. The end of the first rotating column 15 away from the protrusion 16 is fixedly connected to the output end of the motor 17. The motor 17 drives the protrusion 16 to repeatedly strike the connecting plate 14 through the first rotating column 15, thereby pushing the movable plate 5, which in turn indirectly drives the sieve plate 9 to vibrate. Under the push of the first compression spring 4, the vibration amplitude of the movable plate 5 is limited, thus facilitating the sieve plate 9 to vibrate and screen the nylon powder in layers.

[0026] The first rotating column 15 and the second rotating column 20 are both fixedly connected to the circumferential surfaces of the first synchronous pulleys 18, and the two first synchronous pulleys 18 are fitted with the outer surfaces of the first synchronous belts 19. The second rotating column 20 and the third rotating column 22 are both fixedly connected to the circumferential surfaces of the second synchronous pulleys 21, and the two second synchronous pulleys 21 are fitted with the outer surfaces of the second synchronous belts 23. When the device is in use, the starting motor 17 drives the first rotating column 15 to rotate, and the two first synchronous pulleys 18 and the first synchronous belt 19 drive the second rotating column 20 to rotate. When the second rotating column 20 rotates, the two second synchronous pulleys 21 and the second synchronous belt 23 also drive the third rotating column 22 to rotate. In turn, the protrusions 16 strike the upper connecting plate 14, thereby indirectly vibrating the different screen plates 9 above, thus screening and stratifying the nylon powder on the screen plates 9, which helps to improve the ease of use of the device.

[0027] Working principle: When using the device, the door needs to be opened. First, install the three screen plates 9 with different aperture sizes. During installation, push the connecting frame 13 inwards from both ends of the screen plate 9 simultaneously. This causes the connecting frame 13 to compress the second compression spring 12 and move into the slide groove 11. Then, the screen plate 9 is locked onto the limiting post 8 for positioning. Next, release the connecting frame 13. Under the reaction force of the second compression spring 12, the connecting frame 13 engages with the limiting frame 6, thus completing the installation of the screen plate 9. Disassembly simply requires pushing the connecting frame 13 to separate it from the limiting frame 6 and removing the screen plate 9 from the limiting post 8. To improve the ease of installation and disassembly of the sieve plate 9, the motor 17 is started to drive the first rotating column 15 to rotate. The two first synchronous pulleys 18 and the first synchronous belt 19 drive the second rotating column 20 to rotate. When the second rotating column 20 rotates, the two second synchronous pulleys 21 and the second synchronous belt 23 drive the third rotating column 22 to rotate. Then, the protrusion 16 strikes the upper connecting plate 14, thereby indirectly vibrating the different sieve plates 9 above, thus screening and stratifying the nylon powder on the sieve plate 9, which is beneficial to improving the ease of use of the device. After screening, the nylon powder falls from the discharge port 25 for collection.

[0028] 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 large-scale grading and screening device for nylon powder production, comprising a housing (1), characterized in that: A fixing frame (2) is fixedly connected to the inner wall of the box (1). A connecting column (3) is fixedly connected to the inner wall of the fixing frame (2). A first compression spring (4) is sleeved on the outside of the connecting column (3). A movable plate (5) is slidably connected to the outside of the connecting column (3). The first compression spring (4) is in contact with the top of the movable plate (5). A limit frame (6) and a fixing block (7) are fixedly connected to the top of the movable plate (5). A limit column (8) is fixedly connected to the top of the fixing block (7). A sieve plate (9) is sleeved on the outside of the limit column (8). A sliding groove (11) is opened inside the sieve plate (9). The inner wall of the slide (11) is fixedly connected to a second compression spring (12), and the inner wall of the slide (11) is slidably connected to a connecting frame (13), and the end of the connecting frame (13) is engaged with the inside of the limiting frame (6). There are two movable plates (5), and a connecting plate (14) is fixedly connected between the two movable plates (5). The inside of the box (1) is rotatably connected to a first rotating column (15), a second rotating column (20) and a third rotating column (22), and the ends of the first rotating column (15), the second rotating column (20) and the third rotating column (22) are all fixedly connected to a protrusion (16).

2. The large-scale grading and screening equipment for nylon powder production according to claim 1, characterized in that: The screen plate (9) has a limiting groove (10) inside, and the limiting post (8) is located inside the limiting groove (10).

3. The large-scale grading and screening equipment for nylon powder production according to claim 2, characterized in that: There are two connecting columns (3), which are symmetrically distributed inside the fixing frame (2).

4. A large-scale grading and screening device for nylon powder production according to claim 3, characterized in that: The top of the box (1) is fixedly connected to a feed hopper (24), and the bottom of the box (1) is provided with a discharge port (25).

5. A large-scale grading and screening device for nylon powder production according to claim 4, characterized in that: A support plate is fixedly connected to the side surface of the housing (1), and a motor (17) is fixedly connected to the top of the support plate. The end of the first rotating column (15) away from the protrusion (16) is fixedly connected to the output end of the motor (17).

6. A large-scale grading and screening device for nylon powder production according to claim 5, characterized in that: The first rotating column (15) and the second rotating column (20) are both fixedly connected to the circumferential surfaces of the first rotating column (15) and the second rotating column (20), and the two first rotating columns (18) are fitted with the outer surfaces of the first rotating columns (19). The second rotating column (20) and the third rotating column (22) are both fixedly connected to the circumferential surfaces of the second rotating columns (21), and the two second rotating columns (21) are fitted with the outer surfaces of the second rotating columns (21) of the second rotating columns (23).

Images