Nylon particle screening device for granulator

Abstract

The nylon particle screening device comprises a granulator discharging pipe and a screening box, a feeding pipe is arranged on the screening box, the feeding pipe is located below the granulator discharging pipe, a screening filter plate is installed on the screening box, a bottom collecting box is installed on the bottom side of the screening box, and a discharging pipe is installed on the bottom collecting box. A lead screw sliding sleeve is installed on the screening box through a driving assembly, a scraping plate is fixedly installed on the lead screw sliding sleeve, the nylon particle screening device for the granulator has the advantages that diced nylon particles enter the screening box, the large and small nylon particles are screened through a screening filter plate, the arranged driving assembly can drive the scraping plate to move back and forth, and the nylon particles can be screened through the scraping plate. The large nylon particles which are not screened are scraped away, the problem that the large nylon particles are located above the screening filter plate for a long time to form blockage is solved, the approaching opening assembly is arranged, the blocking plate can be pushed to be opened, the scraped large nylon particles fall into the discharging collecting box, and collecting operation of the large nylon particles is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of nylon particle screening, in particular to a nylon particle screening device for a pelletizer. Background Art

[0002] Modified nylon refers to a granular product made by melting and mixing nylon raw materials with additives and auxiliaries, followed by extrusion, solidification, and cutting. During this process, the physical properties of the nylon are altered. Depending on the additives, nylon materials with varying physical properties can be obtained. After extrusion, the nylon is pelletized in a pelletizer to produce nylon pellets.

[0003] When a pelletizer pelletizes the produced nylon, there will be a difference in the size of the cut particles. Some larger particles need to be screened and selected. In the process of screening the nylon particles, a screening plate is used for screening. As the nylon particles continue to fall, larger particles often block the screening mesh during the screening process of the screening plate, causing screening blockage. Therefore, a nylon particle screening device for a pelletizer is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a nylon particle screening device for a pelletizer, which is used to solve the above problems.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A nylon particle screening device for a pelletizer comprises a pelletizer discharge pipe and a screening box, the screening box is provided with a feed pipe, the feed pipe is located below the pelletizer discharge pipe, a screening filter plate is installed on the screening box, a bottom collecting box is installed on the bottom side of the screening box, a screw sleeve is installed on the screening box through a driving assembly, a scraper plate is fixedly installed on the screw sleeve, the scraper plate is located above the screening filter plate, side outlet holes are opened on both sides of the screening box, a blocking plate is rotatably installed on the side outlet hole, and close opening components are respectively provided on both sides of the scraper plate, a rotating shaft is rotatably installed on the screening box, a knocking assembly is provided at one end of the rotating shaft, the knocking assembly is adapted to the screening filter plate, and a driving assembly is provided between the rotating shaft and the screw sleeve.

[0007] Preferably, the drive assembly includes a drive motor fixedly mounted on one side of the screening box, the output end of the drive motor is connected to a reciprocating screw rod, the reciprocating screw rod extends into the screening box, and the screw rod sleeve is threadedly sleeved on the reciprocating screw rod.

[0008] Preferably, a side baffle is fixedly installed on the top side of the screening filter plate, and a top arc baffle is fixedly installed on the inner wall of the screening box. The side baffle and the top arc baffle are respectively located on one side and the top side of the screw sleeve.

[0009] Preferably, the close-opening component includes opening top columns fixedly mounted on both sides of the scraper plate, the two opening top columns are respectively adapted to the two blocking plates, mounting plates are fixedly mounted on both sides of the screening box, one end of an extrusion spring is fixedly mounted on one side of the two mounting plates, and the other ends of the two extrusion springs are respectively fixedly mounted on one side of the two blocking plates.

[0010] Preferably, inclined blanking plates are fixedly installed on both sides of the screening box, and the two inclined blanking plates are respectively located below the side outlet holes. Blanking collection boxes are respectively provided on both sides of the screening box, and the two blanking collection boxes are respectively located below the two inclined blanking plates.

[0011] Preferably, the knocking assembly includes a plurality of arc-shaped knocking blocks fixedly mounted on the end of the rotating shaft, and the arc-shaped knocking blocks are rubber blocks.

[0012] Preferably, the driving assembly includes an L-shaped limit block fixedly mounted on one side of the screw sleeve, a limit hole is opened on one inner wall of the screening box, one side of the L-shaped limit block extends to the limit hole and is fixedly mounted with a rack, and a rotating gear is fixedly mounted on one end of the rotating shaft, and the rotating gear is meshed with the rack.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the nylon particle screening device for the pelletizer, the nylon particles after pelletizing enter the screening box, and the screening operation of large and small nylon particles is realized through the screening filter plate. The driving component is arranged, and during the screening process, it can drive the scraping plate to move back and forth, and the large nylon particles that have not been screened are scraped away by the back and forth movement, thereby preventing the large nylon particles from being located above the screening filter plate for a long time and causing blockage. The opening component is arranged close to the opening component, and the opening of the top column will push the blocking plate, and the large nylon particles scraped over will follow the side outlet hole and the inclined discharge plate into the discharge collection box, thereby realizing the collection operation of the large nylon particles;

[0014] A driving component is set, and the movement of the screw sleeve drives the rack to move, thereby driving the rotating shaft to rotate, and driving the arc-shaped knocking block on the knocking component to rotate. After the arc-shaped knocking block rotates, it can continuously knock on the screening filter plate. The screening filter plate will produce a certain vibration after being knocked. The vibration can effectively prevent nylon particles from being blocked in the mesh holes on the screening filter plate. The vibration knocking can play a role in rapid screening. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front-view three-dimensional structural diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the rear-view stereoscopic structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the vertical section of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the side section of the utility model;

[0019] Figure 5 For this utility model Figure 3 Schematic diagram of the structure of part A.

[0020] In the figure: 1. Pelletizer discharge pipe; 2. Screening box; 3. Feed pipe; 4. Screening filter plate; 5. Bottom collecting box; 6. Drive motor; 7. Reciprocating screw; 8. Screw sleeve; 9. Scraper plate; 10. Side baffle; 11. Top arc baffle; 12. Side outlet hole; 13. Blocking plate; 14. Mounting plate; 15. Extrusion spring; 16. Inclined discharge plate; 17. Discharge collecting box; 18. Open top column; 19. Limit hole; 20. L-shaped limit block; 21. Rack; 22. Rotating shaft; 23. Rotating gear; 24. Arc-shaped knocking block. DETAILED DESCRIPTION

[0021] 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.

[0022] Example: Refer to Figure 1-5A nylon particle screening device for a pelletizer comprises a pelletizer discharge pipe 1 and a screening box 2. The screening box 2 is provided with a feed pipe 3, which is located below the pelletizer discharge pipe 1. A screening filter plate 4 is installed on the screening box 2. A bottom collecting box 5 is installed on the bottom side of the screening box 2. The nylon particles after pelletizing enter the screening box 2 through the feed pipe 3. The screening box 2 is provided with a screening filter plate 4, which can screen the incoming nylon particles. Larger nylon particles will be blocked and filtered, and other nylon particles will fall and enter the bottom collecting box 5. The collection is carried out in the collection box 5. A screw sleeve 8 is installed on the screening box 2 through a driving assembly. A scraper plate 9 is fixedly installed on the screw sleeve 8. The scraper plate 9 is located above the screening filter plate 4. Side outlet holes 12 are provided on both sides of the screening box 2. A blocking plate 13 is rotatably installed on the side outlet hole 12. Both sides of the scraper plate 9 are respectively provided with a close opening assembly. A rotating shaft 22 is rotatably installed on the screening box 2. A knocking assembly is provided at one end of the rotating shaft 22. The knocking assembly is adapted to the screening filter plate 4. A driving assembly is provided between the rotating shaft 22 and the screw sleeve 8.

[0023] Specifically, the drive assembly includes a drive motor 6 fixedly mounted on one side of the screening box 2. The output end of the drive motor 6 is connected to a reciprocating screw rod 7, which extends into the screening box 2. The screw rod sleeve 8 is threadedly sleeved on the reciprocating screw rod 7. During the screening process, the drive motor 6 on the drive assembly is started to run, which drives the reciprocating screw rod 7 to rotate, which can drive the screw rod sleeve 8 to move back and forth. The back and forth movement of the screw rod sleeve 8 can drive the scraper plate 9 to move back and forth. Through the back and forth movement of the scraper plate 9, it can The unscreened large nylon particles are scraped away to prevent the large nylon particles from being above the screening filter plate 4 for a long time and causing blockage problems. A side baffle 10 is fixedly installed on the top side of the screening filter plate 4, and a top arc baffle 11 is fixedly installed on the inner wall of the screening box 2. The side baffle 10 and the top arc baffle 11 are respectively located on one side and the top side of the screw sleeve 8. The set top arc baffle 11 and side baffle 10 can form protection to prevent nylon particles from entering the area of ​​the screw sleeve 8.

[0024] Specifically, the opening assembly includes an opening top column 18 fixedly mounted on both sides of the scraper plate 9, and the two opening top columns 18 are respectively adapted to the two blocking plates 13. Mounting plates 14 are fixedly mounted on both sides of the screening box 2. One end of an extrusion spring 15 is fixedly mounted on one side of the two mounting plates 14. The other ends of the two extrusion springs 15 are respectively fixedly mounted on one side of the two blocking plates 13. Inclined blanking plates 16 are fixedly mounted on both sides of the screening box 2. The two inclined blanking plates 16 are respectively located below the side outlet holes 12. Blanking collection boxes 17 are respectively provided on both sides of the screening box 2. The two material collection boxes 17 are respectively located below the two inclined material collection plates 16. As the scraper plate 9 moves, the opening top column 18 on the opening component is driven to move. After approaching the blocking plate 13, the opening top column 18 will push the blocking plate 13, thereby opening the blocking plate 13. The large nylon particles scraped over will follow the side outlet hole 12 and the inclined material collection plate 16 and enter the material collection box 17, realizing the collection operation of the large nylon particles. After the scraper plate 9 moves away, under the elastic force of the extrusion spring 15, the blocking plate 13 is blocked in the side outlet hole 12 again, realizing the screening and blocking effect.

[0025] Specifically, the knocking assembly includes a plurality of arc-shaped knocking blocks 24 fixedly mounted on the end of the rotating shaft 22, the arc-shaped knocking block 24 is a rubber block, and the driving assembly includes an L-shaped limit block 20 fixedly mounted on one side of the screw sleeve 8. A limit hole 19 is provided on the inner wall of one side of the screening box 2. One side of the L-shaped limit block 20 extends to the limit hole 19 and is fixedly mounted with a rack 21. A rotating gear 23 is fixedly mounted on one end of the rotating shaft 22. The rotating gear 23 is engaged with the rack 21. When the screw sleeve 8 moves back and forth, the L-shaped limit block 20 on the driving assembly moves in the limit hole 19. The L-shaped limit block 20 is set And the limiting hole 19, can limit the horizontal position of the movement of the screw sleeve 8, the L-shaped limiting block 20 moves to drive the rack 21 to move, and during the movement, it will drive the rotating gear 23 to rotate, thereby driving the rotating shaft 22 to rotate, and driving the arc-shaped knocking block 24 on the knocking assembly to rotate. After the arc-shaped knocking block 24 rotates, it can continuously knock on the screening filter plate 4. The screening filter plate 4 will produce a certain vibration after being knocked. The vibration can effectively prevent nylon particles from being blocked in the mesh holes on the screening filter plate 4. The arc-shaped knocking block 24 is a rubber block with good knocking elasticity. It can play a role in rapid screening through vibration knocking.

[0026] During use: After the nylon particles are pelletized by the pelletizer, they are discharged from the pelletizer discharge pipe 1 and enter the screening box 2 through the feed pipe 3. The screening box 2 is provided with a screening filter plate 4, which can screen the incoming nylon particles. The larger nylon particles will be blocked and filtered, and the other nylon particles will fall and enter the bottom collection box 5 for collection. During the screening process, the drive motor 6 on the drive assembly is started to run, driving the reciprocating screw 7 to rotate, which can drive the screw sleeve 8 to move back and forth. The back and forth movement of the screw sleeve 8 can drive the scraper plate 9 to move back and forth. The back and forth movement of the scraper plate 9 can scrape away the unscreened large nylon particles, avoiding the large nylon particles from being above the screening filter plate 4 for a long time and causing blockage. As the scraper plate 9 moves, the opening top column 18 on the opening component is driven to move. After approaching the blocking plate 13, the opening top column 18 will push the blocking plate 13, thereby opening the blocking plate 13, and the scraped large nylon particles will follow the side out hole 12 and tilt downward. The material plate 16 enters the material collection box 17 to realize the collection operation of large nylon particles. After the scraper plate 9 moves away, under the elastic force of the extrusion spring 15, the blocking plate 13 is blocked in the side outlet hole 12 again to realize the screening blocking effect. In the process of the screw sleeve 8 moving back and forth, the L-shaped limit block 20 on the assembly moves in the limit hole 19. The L-shaped limit block 20 and the limit hole 19 are set to limit the horizontal position of the movement of the screw sleeve 8. The movement of the L-shaped limit block 20 drives the rack 21 to move During the movement, the rotating gear 23 will be driven to rotate, thereby driving the rotating shaft 22 to rotate, and driving the arc-shaped knocking block 24 on the knocking assembly to rotate. After the arc-shaped knocking block 24 rotates, it can continuously knock on the screening filter plate 4. The screening filter plate 4 will produce a certain vibration after being knocked. The vibration can effectively prevent nylon particles from being blocked in the mesh holes on the screening filter plate 4. The arc-shaped knocking block 24 is a rubber block with good knocking elasticity. It can play a role in rapid screening through vibration knocking and is easy to use.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A nylon particle screening device for a pelletizer, comprising a pelletizer discharge pipe (1) and a screening box (2), characterized in that: The screening box (2) is provided with a feed pipe (3), which is located below the pelletizer discharge pipe (1); a screening filter plate (4) is installed on the screening box (2); a bottom collecting box (5) is installed on the bottom side of the screening box (2); a screw sleeve (8) is installed on the screening box (2) through a drive assembly; a scraper plate (9) is fixedly installed on the screw sleeve (8); and the scraper plate (9) is located above the screening filter plate (4). , both sides of the screening box (2) are provided with side outlet holes (12), and a blocking plate (13) is rotatably installed on the side outlet holes (12). Both sides of the scraper plate (9) are respectively provided with a close opening component, and a rotating shaft (22) is rotatably installed on the screening box (2), and a knocking component is provided at one end of the rotating shaft (22), and the knocking component is adapted to the screening filter plate (4). A driving component is provided between the rotating shaft (22) and the screw rod sleeve (8).

2. The nylon particle screening device for a pelletizer according to claim 1, characterized in that: The drive assembly comprises a drive motor (6) fixedly mounted on one side of the screening box (2); an output end of the drive motor (6) is connected to a reciprocating screw rod (7); the reciprocating screw rod (7) extends into the screening box (2); and a screw rod sleeve (8) is threadedly sleeved on the reciprocating screw rod (7).

3. The nylon particle screening device for a pelletizer according to claim 1, characterized in that: A side baffle (10) is fixedly mounted on the top side of the screening filter plate (4), and a top arc-shaped baffle (11) is fixedly mounted on the inner wall of the screening box (2). The side baffle (10) and the top arc-shaped baffle (11) are respectively located on one side and the top side of the screw sleeve (8).

4. The nylon particle screening device for a pelletizer according to claim 1, characterized in that: The close opening assembly comprises opening top columns (18) fixedly mounted on both sides of the scraping plate (9), the two opening top columns (18) being respectively matched with the two blocking plates (13), the two sides of the screening box (2) being respectively fixedly mounted with mounting plates (14), one end of an extrusion spring (15) being fixedly mounted on one side of the two mounting plates (14), and the other ends of the two extrusion springs (15) being respectively fixedly mounted on one side of the two blocking plates (13).

5. The nylon particle screening device for a pelletizer according to claim 1, characterized in that: Both sides of the screening box (2) are fixedly mounted with inclined blanking plates (16), and the two inclined blanking plates (16) are respectively located below the side outlet holes (12); and both sides of the screening box (2) are provided with blanking collection boxes (17), and the two blanking collection boxes (17) are respectively located below the two inclined blanking plates (16).

6. The nylon particle screening device for a pelletizer according to claim 1, characterized in that: The knocking assembly comprises a plurality of arc-shaped knocking blocks (24) fixedly mounted on the end of a rotating shaft (22), wherein the arc-shaped knocking blocks (24) are rubber blocks.

7. The nylon particle screening device for a pelletizer according to claim 1, characterized in that: The driving assembly includes an L-shaped limit block (20) fixedly mounted on one side of the screw sleeve (8); a limit hole (19) is provided on one inner wall of the screening box (2); one side of the L-shaped limit block (20) extends to the limit hole (19) and is fixedly mounted with a rack (21); one end of the rotating shaft (22) is fixedly mounted with a rotating gear (23); the rotating gear (23) is meshed with the rack (21).

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