Recycled plastic granulator based on water flow cooling

Abstract

The utility model relates to the technical field of plastic granulation, in particular to a recycled plastic granulator based on water flow cooling, which comprises a worktable, a discharge plate is fixedly connected to the upper surface of the worktable, a rotating groove is formed in the discharge plate, a first discharge hole is formed in the inner wall of the rotating groove, and a second discharge hole is formed in the inner wall of the rotating groove. The number of the first discharging holes is three, a rotating disc is movably installed in the rotating groove, second discharging holes are formed in the side wall of the rotating disc, the number of the second discharging holes is twelve, clamping grooves are formed in the outer surface of the rotating disc, the number of the clamping grooves is four, and spring grooves are formed in the inner surface of the rotating groove. The inner bottom of the spring groove is fixedly connected with a spring, and one end of the spring is fixedly connected with a clamping pin. According to the utility model, the diameter of the material strip can be changed by rotating the turntable, so that the effect of changing the diameter of the granulated plastic particles is achieved, the granulator does not need to be replaced, and the cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of plastic pelleting, and in particular to a recycled plastic pelleting machine based on water cooling. Background Technology

[0002] In the field of recycled plastics processing, pelleting is a crucial step. Traditional pellet mills employ various cooling methods, but water cooling is highly favored due to its efficient heat dissipation and rapid pellet solidification, ensuring both pelleting quality and efficiency. It effectively removes heat, preventing plastic pellets from deforming or sticking together due to high temperatures, thus stabilizing the pelleting process and is widely used in the recycled plastics industry.

[0003] Existing water-cooled recycled plastic pelletizers often use a fixed diameter for the pellets during the pelleting process. This results in a fixed diameter for the granulated plastic pellets. When it is necessary to change the diameter of the plastic pellets, the pelletizer often needs to be replaced, which undoubtedly increases the cost. Utility Model Content

[0004] In view of this, the present invention provides a recycled plastic pelletizer based on water cooling. The main technical problem to be solved is that the diameter of the material strip is often fixed during the pelletizing process, which results in a fixed diameter of the plastic pellets after pelletizing. When it is necessary to change the diameter of the plastic pellets, it is often necessary to replace the pelletizer, which undoubtedly increases the cost.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a water-cooled recycled plastic pelletizer, comprising a workbench, a discharge plate fixedly connected to the upper surface of the workbench, a rotating groove inside the discharge plate, a first discharge hole with three openings on the inner wall of the rotating groove, a turntable movably mounted inside the rotating groove, a second discharge hole with twelve openings on the side wall of the turntable, four slots on the outer surface of the turntable, a spring groove on the inner surface of the rotating groove, a spring fixedly connected to the bottom of the spring groove, and a locking pin fixedly connected to one end of the spring.

[0006] By adopting the above technical solution, the diameter of the material strip can be changed by rotating the turntable, thereby changing the diameter of the plastic granules after granulation. This eliminates the need to replace the granulator and reduces costs.

[0007] As a further description of the above technical solution:

[0008] The turntable has two sealing grooves on its side wall, and a sealing ring is movably installed on the inner surface of each sealing groove.

[0009] By adopting the above technical solution, the sealing ring and the sealing groove can work together to seal the turntable.

[0010] As a further description of the above technical solution:

[0011] A feeding cylinder is fixedly connected to the side wall of the discharge plate, and a first motor is fixedly connected to the side wall of the feeding cylinder away from the discharge plate. A first rotating shaft is fixedly connected to the output end of the first motor, and an auger is fixedly connected to the outer surface of the first rotating shaft.

[0012] By adopting the above technical solution, the operation of the first motor can drive the second motor and the auger to rotate, thereby conveying the plastic raw material in the conveying cylinder to the position of the first discharge hole.

[0013] As a further description of the above technical solution:

[0014] The upper surface of the conveying cylinder is fixedly connected to a feed hopper, and the lower surface of the conveying cylinder is fixedly connected to a connecting block. The conveying cylinder and the workbench are fixedly connected by the connecting block.

[0015] By adopting the above technical solution, the feed hopper can be connected to the discharge pipe of an external heating device to discharge the heated plastic raw material into the feed hopper.

[0016] As a further description of the above technical solution:

[0017] A cooling box is fixedly connected to the upper surface of the workbench. A first pipe is fixedly connected to the side wall of the cooling box. A water pump is fixedly connected to the end of the first pipe away from the cooling box. A second pipe is fixedly connected to the side wall of the water pump. The end of the second pipe away from the water pump is fixedly connected to the side wall of the cooling box.

[0018] By adopting the above technical solution, water can be added to the cooling box through external pipes, and water can also be drained through external pipes. The operation of the water pump can drive the water in the cooling box to be drawn out from the first pipe, and then discharged into the cooling box through the second pipe, causing the water in the cooling box to flow. The fan composed of the second motor, the second shaft and the fan blades can effectively dissipate heat from the water in the cooling box.

[0019] As a further description of the above technical solution:

[0020] A mounting block is fixedly connected to the upper surface of the cooling box. A mounting groove is formed on the upper surface of the mounting block. A second motor is fixedly connected to the inner wall of the mounting groove. A second rotating shaft is fixedly connected to the output end of the second motor. Fan blades are fixedly connected to the outer surface of the second rotating shaft. The number of fan blades is multiple.

[0021] By adopting the above technical solution, the second motor, the second shaft, and the fan blades together form a fan, which can blow air onto the surface of the water in the cooling tank, thereby driving the airflow on the water surface, accelerating the dissipation of heat, and thus achieving a heat dissipation effect.

[0022] As a further description of the above technical solution:

[0023] The lower surface of the workbench is fixedly connected with four legs.

[0024] By adopting the above technical solution, the support legs can provide support for the workbench.

[0025] By employing the above technical solution, the water-cooled recycled plastic pelletizer of this utility model has at least the following beneficial effects:

[0026] Compared with existing technologies, this water-cooled recycled plastic pelletizer utilizes a second discharge port, a first discharge port, a turntable, a locking pin, a slot, and a spring. When it is necessary to change the diameter of the discharged strip, that is, to align the positions of different sets of second discharge ports with the first discharge port, the turntable is rotated. This causes the locking pin to be squeezed upward by the slot, the spring to contract, and the turntable to continue rotating until the next slot moves below the locking pin. The spring then rebounds, causing the locking pin to move downward, and the locking pin enters the slot. At this point, the turntable is stopped, and the operator can feel significant resistance when trying to continue rotating. The second discharge port corresponding to the first discharge port then... The orifice is switched to another set, meaning the diameter of the discharged strip changes with the change of the second discharge orifice. Repeating this operation allows for further changes in the diameter of the discharged strip. Compared to existing plastic pelletizers, where the diameter of the strip is often fixed during pelleting, resulting in a fixed diameter of the granulated plastic particles, changing the pelletizer often requires replacing it when the particle diameter needs to be changed, which undoubtedly increases costs. This water-cooled recycled plastic pelletizer can change the diameter of the strip by rotating the turntable, thereby changing the diameter of the granulated plastic particles without replacing the pelletizer, thus reducing costs.

[0027] Compared with existing technologies, this water-cooled recycled plastic pelletizer consists of a water pump, a cooling tank, a first pipe, a second pipe, a second motor, a second shaft, and fan blades. The water pump draws water from the first pipe into the cooling tank and then discharges it back into the cooling tank through the second pipe, creating a flow of water within the tank. The second motor, second shaft, and fan blades together form a fan that blows air onto the surface of the flowing water in the cooling tank, thereby promoting airflow over the water surface, accelerating heat dissipation, and achieving a cooling effect. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall structure of a water-cooled recycled plastic pelletizer proposed in this utility model.

[0029] Figure 2 This is a cross-sectional view of the overall structure of a water-cooled recycled plastic pelletizer proposed in this utility model.

[0030] Figure 3 This utility model proposes a water-cooled recycled plastic pelletizing machine. Figure 2 Enlarged view of the structure at point A in the middle;

[0031] Figure 4 This is another cross-sectional view of the overall structure of a water-cooled recycled plastic pelletizer proposed in this utility model.

[0032] Figure 5 This utility model proposes a water-cooled recycled plastic pelletizing machine. Figure 4 Enlarged view of the structure at point B;

[0033] Figure 6 This is a partial structural diagram of a water-cooled recycled plastic pelletizer proposed in this utility model.

[0034] Legend:

[0035] 1. Workbench; 2. Discharge plate; 3. Rotating groove; 4. First discharge hole; 5. Turntable; 6. Second discharge hole; 7. Slot; 8. Spring groove; 9. Spring; 10. Locking pin; 11. Feeding cylinder; 12. First motor; 13. First rotating shaft; 14. Screwdriver; 15. Feeding bucket; 16. Connecting block; 17. Cooling box; 18. First pipe; 19. Water pump; 20. Second pipe; 21. Mounting block; 22. Mounting groove; 23. Second motor; 24. Second rotating shaft; 25. Fan blade; 26. Support leg; 27. Sealing groove; 28. Sealing ring. Detailed Implementation

[0036] The present invention will be further described below with reference to the accompanying drawings and specific embodiments to aid in understanding its content. Unless otherwise specified, the methods used in this invention are conventional methods; the raw materials and apparatus used, unless otherwise specified, are conventional commercially available products.

[0037] Reference Figure 1-6This utility model provides a water-cooled recycled plastic pelletizing machine, comprising a workbench 1, a discharge plate 2 fixedly connected to the upper surface of the workbench 1, a rotating groove 3 inside the discharge plate 2, and three first discharge holes 4 on the inner wall of the rotating groove 3. A turntable 5 is movably installed inside the rotating groove 3, and twelve second discharge holes 6 are provided on the side wall of the turntable 5. The total number of second discharge holes 6 is twelve, divided into four groups of three. The three second discharge holes 6 in each group have the same diameter, but the diameters of the second discharge holes 6 in different groups are different. Four slots 7 are provided on the outer surface of the turntable 5. A spring groove 8 is provided on the inner surface of the rotating groove 3, and a spring 9 is fixedly connected to the bottom of the spring groove 8. One end of the spring 9 is fixedly connected to a locking pin 10. When it is necessary to change the diameter of the discharged strip, i.e. The second discharge hole 6 of different groups needs to be aligned with the position of the first discharge hole 4. Rotating the turntable 5 causes the locking pin 10 to be squeezed upward by the locking groove 7, the spring 9 to contract, and the turntable 5 to continue rotating until the next locking groove 7 moves below the locking pin 10. The spring 9 rebounds and drives the locking pin 10 to move downward, and the locking pin 10 enters the locking groove 7. At this time, the turntable 5 is limited, and the operator can feel that there is a large resistance when trying to continue rotating. At this time, the second discharge hole 6 corresponding to the first discharge hole 4 is switched to another group, that is, the diameter of the discharged strip will change with the change of the second discharge hole 6. Repeating this operation can continue to change the diameter of the discharged strip. The side wall of the turntable 5 is provided with a sealing groove 27. There are two sealing grooves 27. The sealing ring 28 and the sealing groove 27 cooperate to seal the turntable 5. The sealing ring 28 is movably installed on the inner surface of the sealing groove 27.

[0038] A feeding cylinder 11 is fixedly connected to the side wall of the discharge plate 2. A first motor 12 is fixedly connected to the side wall of the feeding cylinder 11 away from the discharge plate 2. A first rotating shaft 13 is fixedly connected to the output end of the first motor 12. The operation of the first motor 12 can drive the second motor 23 and the auger 14 to rotate, thereby conveying the plastic raw material in the feeding cylinder 11 to the position of the first discharge hole 4. The auger 14 is fixedly connected to the outer surface of the first rotating shaft 13. A feeding barrel 15 is fixedly connected to the upper surface of the feeding cylinder 11. The feeding barrel 15 can be externally connected to a heating device. The discharge pipe is used to discharge the heated plastic raw material into the conveying cylinder 11. A connecting block 16 is fixedly connected to the lower surface of the conveying cylinder 11, which connects the conveying cylinder 11 to the workbench 1. A cooling box 17 is fixedly connected to the upper surface of the workbench 1. The cooling box 17 can be filled with water through an external pipe, and water can also be pumped out through an external pipe. A first pipe 18 is fixedly connected to the side wall of the cooling box 17. A water pump 19 is fixedly connected to the end of the first pipe 18 away from the cooling box 17. The water pump 19 operates... The pump 19 draws water from the first pipe 18 into the cooling tank 17, then pumps it through the second pipe 20 and finally discharges it back into the cooling tank 17. This causes the water in the cooling tank 17 to flow. The fan, composed of the second motor 23, the second shaft 24, and the fan blades 25, effectively dissipates heat from the water in the cooling tank 17. The second pipe 20 is fixedly connected to the side wall of the pump 19, and the end of the second pipe 20 away from the pump 19 is fixedly connected to the side wall of the cooling tank 17. The upper surface of the cooling tank 17 is fixed... A mounting block 21 is connected, and a mounting groove 22 is provided on the upper surface of the mounting block 21. A second motor 23 is fixedly connected to the inner wall of the mounting groove 22. A second rotating shaft 24 is fixedly connected to the output end of the second motor 23. The second motor 23, the second rotating shaft 24 and the fan blades 25 together form a fan, which can blow air onto the surface of the water in the cooling tank 17, thereby driving the airflow on the water surface, accelerating the dissipation of heat, and thus achieving a heat dissipation effect. The outer surface of the second rotating shaft 24 is fixedly connected to multiple fan blades 25.

[0039] The lower surface of the workbench 1 is fixedly connected with four legs 26, which can support the workbench 1.

[0040] Working principle: When it is necessary to change the diameter of the discharge strip, that is, to align the positions of the second discharge holes 6 of different sets with the first discharge hole 4, the turntable 5 is rotated. This causes the locking pin 10 to be pushed upwards by the locking groove 7, and the spring 9 to contract. The turntable 5 continues to rotate until the next locking groove 7 moves below the locking pin 10. The spring 9 then rebounds, causing the locking pin 10 to move downwards and enter the locking groove 7. At this point, the turntable 5 is stopped, and the operator can feel significant resistance when trying to continue rotating. At this time, the second discharge holes 6 corresponding to the first discharge hole 4 are switched to another set. The diameter of the discharged strip changes with the change of the second discharge hole 6. Repeating this operation can continue to change the diameter of the discharged strip. The operation of the water pump 19 can drive the water in the cooling tank 17 to be drawn out from the first pipe 18, and then discharged into the cooling tank 17 through the water pump 19 and the second pipe 20, causing the water in the cooling tank 17 to flow. The second motor 23, the second rotating shaft 24 and the fan blade 25 together form a fan, which can blow air onto the surface of the flowing water in the cooling tank 17, thereby driving the air flow on the water surface, accelerating the heat dissipation, and thus achieving a heat dissipation effect.

[0041] In the description of this utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "middle", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0042] However, the above description is only a specific embodiment of this utility model and should not be construed as limiting the scope of implementation of this utility model. Therefore, any substitution of equivalent components or equivalent changes and modifications made in accordance with the scope of protection of this utility model should still fall within the scope of the claims of this utility model.

Claims

1. A water-cooled recycled plastic pelletizer, comprising a workbench (1), characterized in that: The upper surface of the workbench (1) is fixedly connected to a discharge plate (2). The discharge plate (2) has a rotating groove (3) inside. The inner wall of the rotating groove (3) has a first discharge hole (4). There are three first discharge holes (4). A turntable (5) is movably installed inside the rotating groove (3). The side wall of the turntable (5) has a second discharge hole (6). There are twelve second discharge holes (6). The outer surface of the turntable (5) has a slot (7). There are four slots (7). The inner surface of the rotating groove (3) has a spring groove (8). The bottom of the spring groove (8) is fixedly connected to a spring (9). One end of the spring (9) is fixedly connected to a locking pin (10).

2. The recycled plastic pelletizer based on water cooling according to claim 1, characterized in that: The turntable (5) has a sealing groove (27) on its side wall. There are two sealing grooves (27), and a sealing ring (28) is movably installed on the inner surface of the sealing groove (27).

3. A water-cooled recycled plastic pelletizer according to claim 1, characterized in that: The side wall of the discharge plate (2) is fixedly connected to a conveying cylinder (11), and the side wall of the conveying cylinder (11) away from the discharge plate (2) is fixedly connected to a first motor (12). The output end of the first motor (12) is fixedly connected to a first rotating shaft (13), and the outer surface of the first rotating shaft (13) is fixedly connected to an auger (14).

4. A water-cooled recycled plastic pelletizer according to claim 3, characterized in that: The upper surface of the feeding cylinder (11) is fixedly connected to the feeding bucket (15), and the lower surface of the feeding cylinder (11) is fixedly connected to the connecting block (16). The feeding cylinder (11) and the workbench (1) are fixedly connected by the connecting block (16).

5. A water-cooled recycled plastic pelletizer according to claim 1, characterized in that: A cooling box (17) is fixedly connected to the upper surface of the workbench (1). A first pipe (18) is fixedly connected to the side wall of the cooling box (17). A water pump (19) is fixedly connected to the end of the first pipe (18) away from the cooling box (17). A second pipe (20) is fixedly connected to the side wall of the water pump (19). The end of the second pipe (20) away from the water pump (19) is fixedly connected to the side wall of the cooling box (17).

6. A water-cooled recycled plastic pelletizer according to claim 5, characterized in that: The upper surface of the cooling box (17) is fixedly connected to a mounting block (21), and the upper surface of the mounting block (21) is provided with a mounting groove (22). The inner wall of the mounting groove (22) is fixedly connected to a second motor (23), the output end of the second motor (23) is fixedly connected to a second rotating shaft (24), and the outer surface of the second rotating shaft (24) is fixedly connected to a fan blade (25). The number of fan blades (25) is multiple.

7. A water-cooled recycled plastic pelletizer according to claim 1, characterized in that: The lower surface of the workbench (1) is fixedly connected with four legs (26).

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