Granulating and screening device for polymer modified plastic production

Abstract

The utility model belongs to the technical field of plastic production equipment, and particularly relates to a pelletizing and screening device for polymer modified plastic production, which comprises a screening box, a functional box is fixedly mounted on the left side of the screening box, a polymer modified plastic feeding pipe is arranged at the top of the screening box, and the bottom end of the polymer modified plastic feeding pipe extends into the screening box. A first macromolecule modified plastic discharging pipe is arranged on the right side of the screening box, a second macromolecule modified plastic discharging pipe is arranged at the bottom of the screening box, and a screening mechanism is arranged in the first macromolecule modified plastic discharging pipe. The screening device is reasonable in design, by arranging the material stirring mechanism, the purpose of constant-speed and quantity-controlled discharging of raw materials can be achieved, the raw materials can be fully screened through the screen, and then the purpose of improving the screening effect can be achieved; and the purpose of continuously screening the raw materials through the screen can be achieved.

Description

Technical Field

[0001] This application relates to the technical field of plastic production equipment, and particularly relates to a pelletizing and screening device for the production of polymer modified plastics. Background Art

[0002] Polymer modified plastics refer to plastic products that are processed and modified by methods such as filling, blending, and reinforcement on the basis of general plastics and engineering plastics, and have improved performance in aspects such as flame retardancy, strength, impact resistance, and toughness. During the processing and production of polymer modified plastics, screening devices are required to screen plastic particles of different sizes through a sieve mesh.

[0003] Currently, a screening device for the production of polymer modified plastics disclosed in a Chinese patent with the publication number CN217450938U includes a housing. A driving motor is fixedly installed at the center of the top of the housing. The driving motor is fixedly connected to a main shaft through the output end at its bottom. The bottom of the main shaft penetrates into the interior of the housing. A connecting rod is fixedly connected to the bottom of one side of the main shaft. A brush is fixedly installed at the bottom of the connecting rod. In this screening device for the production of polymer modified plastics, through the coordinated use of the driving motor, connecting rod, brush, spring, vibration motor, and sieve mesh, when the vibration motor operates and the elastic effect of the spring causes the sieve mesh to vibrate, the plastic particles on the sieve mesh vibrate, thereby performing the screening work. During the screening process, the driving motor rotates the brush on the sieve mesh, which can take out the plastic particles stuck in the sieve mesh, thus avoiding the influence on the screening effect caused by the jamming of plastic particles and facilitating the use of the user.

[0004] In actual use, it is found that in the existing device, when feeding raw materials, the feeding amount of the raw materials cannot be controlled, which easily causes the raw materials to be discharged before being fully screened, thereby leading to problems that affect the screening effect. Therefore, we propose a pelletizing and screening device for the production of polymer modified plastics to solve the above problems. Summary of the Utility Model

[0005] The purpose of this application is to solve the drawbacks existing in the prior art: the feeding amount of raw materials cannot be controlled, which easily causes the raw materials to be discharged before being fully screened, thereby leading to problems that affect the screening effect, and to propose a pelletizing and screening device for the production of polymer modified plastics.

[0006] In order to achieve the above purpose, this application adopts the following technical solutions:

[0007] A pelletizing and screening device for the production of polymer-modified plastics, comprising a screening box. A functional box is fixedly installed on the left side of the screening box. A polymer-modified plastic feed pipe is arranged at the top of the screening box, and the bottom end of the polymer-modified plastic feed pipe extends into the screening box. A first polymer-modified plastic discharge pipe is arranged on the right side of the screening box, and a second polymer-modified plastic discharge pipe is arranged at the bottom of the screening box. A screening mechanism is arranged in the first polymer-modified plastic discharge pipe; a feeding mechanism is arranged between the functional box and the polymer-modified plastic feed pipe, a dredging mechanism is arranged between the functional box and the second polymer-modified plastic discharge pipe, a reset mechanism is arranged in the screening box, and a motor is fixedly installed on the left inner wall of the functional box, and the right end of the output shaft of the motor extends into the screening box.

[0008] Preferably, the screening mechanism includes a sieve plate and a sieve mesh. A sieve plate is rotatably installed in the first polymer-modified plastic discharge pipe, a sieve mesh is arranged on the sieve plate, and a cam mechanism is arranged between the sieve plate and the output shaft of the motor. A same first mesh cloth is arranged between the left side of the sieve plate and the left inner wall of the screening box.

[0009] Preferably, the cam mechanism includes a cam and a concave seat. The right end of the output shaft of the motor is fixedly sleeved with a cam, a concave seat is arranged at the bottom of the sieve plate, the concave seat is located on the left side of the sieve mesh, and the cam is adapted to the concave seat.

[0010] Preferably, the feeding mechanism includes a feeding shaft, a feeding roller and a feeding plate. The same feeding shaft is rotatably installed on the left inner wall of the functional box and the right inner wall of the polymer-modified plastic feed pipe. The feeding shaft is located above the motor. A feeding roller is fixedly sleeved on the feeding shaft. The feeding roller is located in the polymer-modified plastic feed pipe, and a feeding plate is arranged on the feeding roller. A first transmission mechanism is arranged between the feeding shaft and the output shaft of the motor.

[0011] Preferably, the first transmission mechanism includes two first transmission wheels and a first transmission belt. First transmission wheels are fixedly sleeved on both the feeding shaft and the output shaft of the motor. The first transmission wheels are located in the functional box, and the same first transmission belt is sleeved on the two first transmission wheels.

[0012] Preferably, the dredging mechanism includes a dredging shaft and a dredging rod. The same dredging shaft is rotatably installed on the left inner wall of the functional box and the right inner wall of the second polymer-modified plastic discharge pipe. The dredging shaft is located below the motor. A dredging rod is arranged on the dredging shaft. The dredging rod is located in the second polymer-modified plastic discharge pipe. A second transmission mechanism is arranged between the dredging shaft and the output shaft of the motor.

[0013] Preferably, the second transmission mechanism includes two second transmission wheels and a second transmission belt. Second transmission wheels are fixedly sleeved on both the dredging shaft and the output shaft of the motor. The second transmission wheels are located on the left side of the first transmission wheels, and the same second transmission belt is sleeved on the two second transmission wheels.

[0014] Preferably, the reset mechanism includes a fixing plate and a spring. The fixing plate is fixedly installed on the left inner wall of the screening box. The fixing plate is located between the feeding shaft and the output shaft of the motor. A spring is fixedly installed at the bottom of the fixing plate. The bottom end of the spring is fixedly connected to the top of the sieve plate. A same second mesh cloth is fixedly installed between the bottom of the fixing plate and the top of the sieve plate. The second mesh cloth is located on the right side of the spring.

[0015] The beneficial effects of this application are as follows:

[0016] 1. Through the cooperation of the motor, two first transmission wheels, the first transmission belt, the feeding shaft, the feeding roller and the feeding plate, the motor can drive the feeding plate to rotate, the raw materials can be continuously stirred and fed through the feeding plate, the purpose of uniformly controlling the feeding amount of the raw materials can be achieved, and the raw materials can be fully screened through the sieve mesh, so as to improve the screening effect;

[0017] 2. Through the cooperation of the motor, the cam, the concave seat, the sieve plate, the sieve mesh, the spring and the fixing plate, the motor can drive the sieve mesh to continuously vibrate, so as to continuously screen the raw materials through the sieve mesh. Larger plastic particles can be discharged through the first discharge pipe of the polymer modified plastic, and smaller plastic particles can fall below the sieve mesh and be discharged through the second discharge pipe of the polymer modified plastic;

[0018] 3. Through the cooperation of the motor, the second transmission wheel, the second transmission belt, the dredging shaft and the dredging rod, the motor can drive the dredging rod to rotate, and the plastic particles in the second discharge pipe of the polymer modified plastic can be continuously stirred and dredged, so as to avoid blockage in the second discharge pipe of the polymer modified plastic. Description of the drawings

[0019] Figure 1 It is a three-dimensional structural schematic diagram of a pelletizing and screening device for the production of polymer modified plastics proposed by this application;

[0020] Figure 2 It is a main view sectional structural schematic diagram of a pelletizing and screening device for the production of polymer modified plastics proposed by this application;

[0021] Figure 3 It is a partial structural schematic diagram A of a pelletizing and screening device for the production of polymer modified plastics proposed by this application;

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the transmission mechanism of a pelletizing and screening device for the production of polymer modified plastics proposed by this application;

[0023] Figure 5 It is a three-dimensional structural schematic diagram of the feeding mechanism of a pelletizing and screening device for the production of polymer modified plastics proposed by this application.

[0024] In the figure: 1, screening box; 2, functional box; 3, polymer modified plastic feed pipe; 4, first polymer modified plastic discharge pipe; 5, second polymer modified plastic discharge pipe; 6, sieve plate; 7, sieve mesh; 8, motor; 9, cam; 10, recess; 11, fixing plate; 12, spring; 13, first mesh cloth; 14, material shifting shaft; 15, material shifting roller; 16, material shifting plate; 17, dredging shaft; 18, dredging rod; 19, first driving wheel; 20, first driving belt; 21, second driving wheel; 22, second driving belt; 23, second mesh cloth. Specific embodiments

[0025] The technical solutions of the present application will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the scope of protection of the present application.

[0026] Referring to Figures 1-5 , a pelletizing and screening device for the production of polymer modified plastics, comprising a screening box 1, a functional box 2 is fixedly installed on the left side of the screening box 1, a polymer modified plastic feed pipe 3 is arranged on the top of the screening box 1, the bottom end of the polymer modified plastic feed pipe 3 extends into the screening box 1, a first polymer modified plastic discharge pipe 4 is arranged on the right side of the screening box 1, a second polymer modified plastic discharge pipe 5 is arranged at the bottom of the screening box 1, and a screening mechanism is arranged in the first polymer modified plastic discharge pipe 4; a material shifting mechanism is arranged between the functional box 2 and the polymer modified plastic feed pipe 3, a dredging mechanism is arranged between the functional box 2 and the second polymer modified plastic discharge pipe 5, a reset mechanism is arranged in the screening box 1, and a motor 8 is fixedly installed on the left inner wall of the functional box 2, and the right end of the output shaft of the motor 8 extends into the screening box 1.

[0027] In this embodiment, the screening mechanism includes a sieve plate 6 and a sieve mesh 7. A sieve plate 6 is rotatably installed in the first polymer modified plastic discharge pipe 4, a sieve mesh 7 is arranged on the sieve plate 6, and a cam mechanism is arranged between the sieve plate 6 and the output shaft of the motor 8. A same first mesh cloth 13 is arranged between the left side of the sieve plate 6 and the left inner wall of the screening box 1. By providing the screening mechanism, different sizes of plastic particles can be screened through the sieve mesh 7.

[0028] In this embodiment, the cam mechanism includes a cam 9 and a recess 10. The right end of the output shaft of the motor 8 is fixedly sleeved with a cam 9. A recess 10 is arranged at the bottom of the sieve plate 6. The recess 10 is located on the left side of the sieve mesh 7. The cam 9 is adapted to the recess 10. By providing the cam mechanism, the recess 10 can be continuously lifted by the cam 9, and the purpose of continuously lifting the sieve plate 6 and the sieve mesh 7 can be achieved.

[0029] In this embodiment, the material feeding mechanism includes a material feeding shaft 14, a material feeding roller 15 and a material feeding plate 16. A same material feeding shaft 14 is rotatably installed on the left inner wall of the functional box 2 and the right inner wall of the polymer modified plastic feeding pipe 3. The material feeding shaft 14 is located above the motor 8. A material feeding roller 15 is fixedly sleeved on the material feeding shaft 14. The material feeding roller 15 is located inside the polymer modified plastic feeding pipe 3. A material feeding plate 16 is arranged on the material feeding roller 15. A first transmission mechanism is arranged between the material feeding shaft 14 and the output shaft of the motor 8. By providing the material feeding mechanism, the material feeding shaft 14 can drive the material feeding plate 16 to rotate, so as to continuously stir and feed the raw materials through the material feeding plate 16, and achieve the purpose of uniformly controlling the feeding amount of the raw materials.

[0030] In this embodiment, the first transmission mechanism includes two first transmission wheels 19 and a first transmission belt 20. First transmission wheels 19 are fixedly sleeved on both the material feeding shaft 14 and the output shaft of the motor 8. The first transmission wheels 19 are located inside the functional box 2. A same first transmission belt 20 is sleeved on the two first transmission wheels 19. By providing the first transmission mechanism, the motor 8 can drive the material feeding shaft 14 to rotate.

[0031] In this embodiment, the dredging mechanism includes a dredging shaft 17 and a dredging rod 18. A same dredging shaft 17 is rotatably installed on the left inner wall of the functional box 2 and the right inner wall of the second polymer modified plastic discharge pipe 5. The dredging shaft 17 is located below the motor 8. A dredging rod 18 is arranged on the dredging shaft 17. The dredging rod 18 is located inside the second polymer modified plastic discharge pipe 5. A second transmission mechanism is arranged between the dredging shaft 17 and the output shaft of the motor 8. By providing the dredging mechanism, the dredging shaft 17 can drive the dredging rod 18 to rotate, so as to continuously stir and dredge the plastic particles in the second polymer modified plastic discharge pipe 5 through the dredging rod 18, and achieve the purpose of preventing blockage in the second polymer modified plastic discharge pipe 5.

[0032] In this embodiment, the second transmission mechanism includes two second transmission wheels 21 and a second transmission belt 22. Second transmission wheels 21 are fixedly sleeved on both the dredging shaft 17 and the output shaft of the motor 8. The second transmission wheels 21 are located on the left side of the first transmission wheels 19. A same second transmission belt 22 is sleeved on the two second transmission wheels 21. By providing the second transmission mechanism, the motor 8 can drive the dredging shaft 17 to rotate.

[0033] In this embodiment, the reset mechanism includes a fixed plate 11 and a spring 12. The fixed plate 11 is fixedly installed on the left inner wall of the screening box 1. The fixed plate 11 is located between the feeding shaft 14 and the output shaft of the motor 8. The spring 12 is fixedly installed at the bottom of the fixed plate 11. The bottom end of the spring 12 is fixedly connected to the top of the sieve plate 6. A same second screen cloth 23 is fixedly installed between the bottom of the fixed plate 11 and the top of the sieve plate 6. The second screen cloth 23 is located on the right side of the spring 12. By providing the reset mechanism, the spring 12 can drive the sieve plate 6 and the sieve mesh 7 to reset continuously through the resilience, the sieve mesh 7 can be shaken continuously, and the purpose of screening the raw materials by the sieve mesh 7 can be achieved.

[0034] In this application, during operation, first connect the polymer modified plastic feed pipe 3 with the pelletizer discharge pipe. The plastic particle raw materials are put in through the polymer modified plastic feed pipe 3. By starting the motor 8, the feeding shaft 14 can be driven to rotate through the two first transmission wheels 19 and the first transmission belt 20, the feeding roller 15 and the feeding plate 16 can be driven to rotate, and the raw materials can be continuously stirred and fed through the feeding plate 16. The purpose of uniformly controlling the feeding amount of the raw materials can be achieved, the raw materials can be fully screened by the sieve mesh 7, and the purpose of improving the screening effect can be achieved. The motor 8 can drive the cam 9 to rotate, the cam 9 can continuously lift the concave seat 10, the sieve plate 6 and the sieve mesh 7 can be driven to continuously lift, the spring 12 can be continuously compressed, and the sieve plate 6 and the sieve mesh 7 can be driven to reset continuously through the resilience of the spring 12. The sieve mesh 7 can be shaken continuously, and the purpose of continuously screening the raw materials by the sieve mesh 7 can be achieved. Larger plastic particles can be discharged through the polymer modified plastic first discharge pipe 4, and smaller plastic particles can fall below the sieve mesh 7 and be discharged through the polymer modified plastic second discharge pipe 5. The motor 8 can drive the dredging shaft 17 to rotate through the two second transmission wheels 21 and the second transmission belt 22, the dredging rod 18 can be driven to rotate, and the plastic particles in the polymer modified plastic second discharge pipe 5 can be continuously stirred and dredged through the dredging rod 18. The purpose of preventing blockage in the polymer modified plastic second discharge pipe 5 can be achieved.

Claims

1. A granulation and screening device for the production of polymer-modified plastics, characterized in that, It includes a screening box (1), a function box (2) is fixedly installed on the left side of the screening box (1), a high molecular modified plastic feed pipe (3) is arranged on the top of the screening box (1), the bottom end of the high molecular modified plastic feed pipe (3) extends into the screening box (1), a first discharge pipe (4) for high molecular modified plastic is arranged on the right side of the screening box (1), a second discharge pipe (5) for high molecular modified plastic is arranged at the bottom of the screening box (1), and a screening mechanism is arranged in the first discharge pipe (4) for high molecular modified plastic; A feeding mechanism is arranged between the function box (2) and the high molecular modified plastic feed pipe (3), a dredging mechanism is arranged between the function box (2) and the second discharge pipe (5) for high molecular modified plastic, a reset mechanism is arranged in the screening box (1), and a motor (8) is fixedly installed on the left inner wall of the function box (2), and the right end of the output shaft of the motor (8) extends into the screening box (1).

2. The pelletizing and screening device for the production of polymer-modified plastics according to claim 1, characterized in that, The screening mechanism includes a sieve plate (6) and a sieve mesh (7), the sieve plate (6) is rotatably installed in the first discharge pipe (4) for high molecular modified plastic, the sieve mesh (7) is arranged on the sieve plate (6), a cam mechanism is arranged between the sieve plate (6) and the output shaft of the motor (8), and the same first mesh cloth (13) is arranged between the left side of the sieve plate (6) and the left inner wall of the screening box (1).

3. A pelletizing and screening device for the production of polymer-modified plastics according to claim 2, characterized in that, The cam mechanism includes a cam (9) and a concave seat (10), the right end of the output shaft of the motor (8) is fixedly sleeved with the cam (9), the concave seat (10) is arranged at the bottom of the sieve plate (6), the concave seat (10) is located on the left side of the sieve mesh (7), and the cam (9) is adapted to the concave seat (10).

4. A pelletizing and screening device for the production of polymer-modified plastics according to claim 1, characterized in that, The feeding mechanism includes a feeding shaft (14), a feeding roller (15) and a feeding plate (16), the same feeding shaft (14) is rotatably installed on the left inner wall of the function box (2) and the right inner wall of the high molecular modified plastic feed pipe (3), the feeding shaft (14) is located above the motor (8), the feeding roller (15) is fixedly sleeved on the feeding shaft (14), the feeding roller (15) is located in the high molecular modified plastic feed pipe (3), the feeding plate (16) is arranged on the feeding roller (15), and a first transmission mechanism is arranged between the feeding shaft (14) and the output shaft of the motor (8).

5. A pelletizing and screening device for the production of polymer-modified plastics according to claim 4, characterized in that, The first transmission mechanism includes two first transmission wheels (19) and a first transmission belt (20), the first transmission wheels (19) are fixedly sleeved on the feeding shaft (14) and the output shaft of the motor (8) respectively, the first transmission wheels (19) are located in the function box (2), and the same first transmission belt (20) is sleeved on the two first transmission wheels (19).

6. The pelletizing and screening device for the production of polymer-modified plastics according to claim 1, characterized in that, The dredging mechanism comprises a dredging shaft (17) and a dredging rod (18); the left inner wall of the function box (2) and the right inner wall of the second polymer modified plastic discharge pipe (5) are rotatably mounted with the same dredging shaft (17); the dredging shaft (17) is located below the motor (8); the dredging rod (18) is arranged on the dredging shaft (17); the dredging rod (18) is located in the second polymer modified plastic discharge pipe (5); and a second transmission mechanism is arranged between the dredging shaft (17) and the output shaft of the motor (8).

7. The pelletizing and screening device for the production of polymer-modified plastics according to claim 6, wherein, The second transmission mechanism comprises two second transmission wheels (21) and a second transmission belt (22); the second transmission wheels (21) are fixedly sleeved on the dredging shaft (17) and the output shaft of the motor (8); the second transmission wheels (21) are located on the left side of the first transmission wheel (19); and the transmission sleeves on the two second transmission wheels (21) are provided with the same second transmission belt (22).

8. A pelletizing and screening device for the production of polymer-modified plastics according to claim 1, characterized in that, The reset mechanism comprises a fixed plate (11) and a spring (12); the fixed plate (11) is fixedly mounted on the left inner wall of the screening box (1); the fixed plate (11) is located between the material-discharging shaft (14) and the output shaft of the motor (8); the spring (12) is fixedly mounted on the bottom of the fixed plate (11); the bottom end of the spring (12) is fixedly connected to the top of the sieve plate (6); the same second mesh cloth (23) is fixedly mounted on the bottom of the fixed plate (11) and the top of the sieve plate (6); the second mesh cloth (23) is located on the right side of the spring (12).

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