Granulator provided with rapid cooling mechanism and used for plastic particle production

Abstract

The utility model discloses a granulator provided with a rapid cooling mechanism and used for producing plastic particles, which belongs to the technical field of plastic granulators and comprises a rack, a heat absorption component is fixedly connected to the inner wall of the rack, a shearing component is movably connected to the inner wall of the rack, and a motor is fixedly connected to the surface of the rack. The output end of the motor is fixedly connected with a rotating shaft; the rotating shaft is rotationally arranged in the rack, and stirring blades are fixedly connected to the surface of the rotating shaft; a baffle is fixedly connected to the upper surface of the rack, a transmission shaft is rotationally arranged in the baffle, the surface of the transmission shaft and the surface of the rotating shaft are both connected with belts in a sleeving mode, and meanwhile an eccentric wheel is fixedly connected to the surface of the transmission shaft. According to the granulator provided with the rapid cooling mechanism and used for producing the plastic particles, through the arrangement of the heat dissipation plate and the heat absorption assembly, the working efficiency of the granulator is improved, the contact area with air is greatly increased, the heat convection speed is increased, and heat can be efficiently transmitted into the air from the heat dissipation plate.

Description

Technical Field

[0001] This utility model relates to the field of plastic pelletizing machine technology, specifically a pelletizing machine for producing plastic pellets equipped with a rapid cooling mechanism. Background Technology

[0002] Plastic pellets refer to small granular materials obtained after processing, granulation, or pelletizing plastic raw materials. They are the basic raw materials for plastic product processing and an indispensable part of the process. Common granulation methods include cutting granulation, extrusion granulation, and thermal granulation. A plastic pelletizer is a mechanical device that processes plastic raw materials (such as waste plastics, plastic powders, and plastic melts) into granular plastic products. It is widely used in plastic recycling, modified plastic manufacturing, and chemical raw material processing. Its working principle is to transform plastic raw materials into uniform granules through processes such as heating, melting, extrusion, cooling, and pelletizing, which facilitate storage, transportation, and reprocessing. When the device is working, cutting granulation involves mechanically cutting extruded or injection-molded plastic products into small granular plastic pellets. After cutting, the plastic pellets need to be screened to produce plastic pellets of qualified size. However, the cutting and screening processes cannot be carried out simultaneously, which increases the processing time of plastic pellets and reduces the processing efficiency.

[0003] To overcome the above-mentioned defects, the prior art (Chinese patent application number CN202322129338.4, application date 2023-08-09) describes a plastic granulator that, by starting the motor inside the electric drive assembly, drives the bottom end of the bending tube to rotate around the edge of the screening hopper and feeds the material. This extends the screening distance of the conveyed plastic granules, allowing the plastic granules to be conveyed from the edge of the screening hopper to the center for screening. Particles of the qualified size are screened out, effectively shortening the plastic granulation process and improving the plastic granulation efficiency.

[0004] The cut plastic granules need to maintain specific shape and size accuracy. Plastics at high temperatures are fluid, and if they are not cooled in time, the granules will deform due to their own weight or mutual compression, and will not be able to maintain their cut shape. During the use of the above-mentioned device, the plastic granules cannot be cooled quickly, which causes the surface temperature of the plastic granules to not dissipate in time, affecting the final quality of the product, reducing the working efficiency of the device, and extending the working cycle. Utility Model Content

[0005] The purpose of this invention is to provide a granulator for producing plastic granules with a rapid cooling mechanism, in order to solve the problem mentioned in the background art that the plastic granules cannot be cooled quickly, resulting in the surface temperature of the plastic granules not being able to dissipate in time, affecting the final quality of the product, and at the same time reducing the working efficiency of the device and extending the working cycle.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a granulator for producing plastic granules with a rapid cooling mechanism, comprising a frame, a heat-absorbing component fixedly connected to the inner wall of the frame, a shearing component movably connected to the inner wall of the frame, and a motor fixedly connected to the surface of the frame, with a rotating shaft fixedly connected to the output end of the motor; the rotating shaft is rotatably disposed inside the frame, and an agitator is fixedly connected to the surface of the rotating shaft; a baffle is fixedly connected to the upper surface of the frame, and a transmission shaft is rotatably disposed inside the baffle, with belts sleeved and connected to both the surface of the transmission shaft and the surface of the rotating shaft, and an eccentric wheel fixedly connected to the surface of the transmission shaft; a limit rod is fixedly connected to the inner wall of the frame, and a sieve plate is slidably connected through the limit rod.

[0007] Preferably, a connecting shaft is rotatably provided inside the frame, and bevel gears are fixedly connected to both the surface of the connecting shaft and the surface of the transmission shaft.

[0008] Preferably, a turntable is fixedly connected to the surface of the connecting shaft, and one end of a connecting rod is sleeved and connected to the surface of the turntable, while the other end of the connecting rod is sleeved and connected to the shearing assembly.

[0009] Preferably, a push block is fixedly connected to the lower surface of the shearing assembly, and the end of the push block is arc-shaped, and a fixing rod is fixedly connected to the surface of the sieve plate.

[0010] Preferably, an upward push block is fixedly connected to the upper surface of the fixed rod, and the upper surface of the upward push block is arc-shaped. One end of a spring is fixedly connected to the surface of the fixed rod, while the other end of the spring is fixedly connected to the frame.

[0011] Preferably, a fixing plate is fixedly connected to the inner wall of the frame, and a sliding rod is fixedly connected to the surface of the fixing plate, and the sliding rod is slidably connected to a heat dissipation plate.

[0012] Preferably, a caster rod is fixedly connected to the surface of the heat sink, and the surface of the caster rod is in contact with the surface of the eccentric wheel.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the granulator for producing plastic granules equipped with a rapid cooling mechanism adopts a novel structural design, the specific details of which are as follows:

[0014] (1) The plastic pellet mill equipped with a rapid cooling mechanism improves the working efficiency of the device by setting up a heat dissipation plate and heat absorption components, greatly increases the contact area with air, accelerates the heat convection speed, and enables heat to be efficiently transferred from the heat dissipation plate to the air.

[0015] Furthermore, improving cooling efficiency and shortening the cooling time of plastic granules will improve the overall working efficiency of the pellet mill.

[0016] (2) The plastic pellet mill equipped with a rapid cooling mechanism can screen plastic pellets through the screen plate and limit rod, which greatly shortens the screening time, increases the throughput per unit time, and meets the needs of large-scale production.

[0017] Furthermore, this ensures the stability of the entire equipment operation, reduces the incidence of equipment failure, guarantees the continuity of the production process, and improves overall production efficiency.

[0018] (3) The plastic pellet mill equipped with a rapid cooling mechanism improves the stability of the device and reduces the shaking generated during operation by setting a fixed plate and a limiting rod, so that the raw material can be uniformly plasticized in a stable environment and improves the working efficiency of the device. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the connection structure between the frame and the heat absorption component of this utility model;

[0020] Figure 2 This is a schematic diagram of the connection structure between the electric motor and the rotating shaft of this utility model;

[0021] Figure 3 This is a schematic diagram of the connection structure between the stirring plate and the rotating shaft of this utility model;

[0022] Figure 4 This is a schematic diagram of the connection structure between the sieve plate and the limiting rod of this utility model;

[0023] Figure 5 This is a schematic diagram of the connection structure between the fixing rod and the spring of this utility model;

[0024] Figure 6 This is a schematic diagram of the connection structure between the frame and the fixing plate of this utility model;

[0025] Figure 7 This is a schematic diagram of the connection structure between the heat sink and the sliding rod of this utility model.

[0026] In the diagram: 1. Frame; 2. Heat absorption assembly; 3. Motor; 4. Rotating shaft; 5. Stirring blade; 6. Drive shaft; 7. Eccentric wheel; 8. Bevel gear; 9. Connecting shaft; 10. Turntable; 11. Connecting rod; 12. Shearing assembly; 13. Lower push block; 14. Upper push block; 15. Fixing rod; 16. Screen plate; 17. Limiting rod; 18. Spring; 19. Fixing plate; 20. Sliding rod; 21. Heat dissipation plate; 22. Caster rod; 23. Baffle. Detailed Implementation

[0027] 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.

[0028] Example 1: The stability of the device is improved by the installation of the frame 1, baffle 23, and limiting rod 17. Figures 1-3 As shown: It includes a frame 1, a heat absorption component 2 is fixedly connected to the inner wall of the frame 1, a shearing component 12 is movably connected to the inner wall of the frame 1, a motor 3 is fixedly connected to the surface of the frame 1, and a rotating shaft 4 is fixedly connected to the output end of the motor 3. The rotating shaft 4 is rotatably disposed inside the frame 1, and an agitator 5 is fixedly connected to the surface of the rotating shaft 4. A baffle 23 is fixedly connected to the upper surface of the frame 1, and a drive shaft 6 is rotatably disposed inside the baffle 23. Belts are sleeved and connected to both the surface of the drive shaft 6 and the surface of the rotating shaft 4. An eccentric wheel 7 is fixedly connected to the surface of the drive shaft 6. A limit rod 17 is fixedly connected to the inner wall of the frame 1, and a screen plate 16 is slidably connected through the limit rod 17.

[0029] Plastic raw materials are conveyed to the feeding port on the surface of the frame 1 via a conveying device, and the motor 3 is started. The stirring blades 5 on the surface of the rotating shaft 4 agitate the plastic raw materials inside the frame 1. The heating components on the surface of the frame 1 heat the plastic raw materials. The plasticized plastic is extruded through a die set inside the frame 1. The motor 3 drives the transmission shaft 6 to rotate via a belt, and the turntable 10 rotates via a bevel gear 8. The connecting rod 11 on the surface of the turntable 10 drives the shearing component 12 to cut the plastic strip into plastic granules, thereby realizing the production of plastic granules. At the same time, the baffle 23 and the limiting rod 17 set up improve the stability of the device and reduce the shaking generated during the operation of the device, so that the raw materials can be uniformly plasticized in a stable environment, thereby improving the working efficiency of the device.

[0030] In Example 2, unlike Example 1, the sieving of plastic particles is achieved through the use of an upward push block 14, a spring 18, and a fixing rod 15. Figures 4-5As shown: A connecting shaft 9 is rotatably installed inside the frame 1, and bevel gears 8 are fixedly connected to both the surface of the connecting shaft 9 and the surface of the transmission shaft 6. A turntable 10 is fixedly connected to the surface of the connecting shaft 9, and one end of a connecting rod 11 is sleeved and connected to the surface of the turntable 10. A shearing assembly 12 is sleeved and connected to the other end of the connecting rod 11. A push block 13 is fixedly connected to the lower surface of the shearing assembly 12, and the end of the push block 13 is arc-shaped. A fixing rod 15 is fixedly connected to the surface of the sieve plate 16, and an upper push block 14 is fixedly connected to the upper surface of the fixing rod 15. The upper surface of the push block 14 is arc-shaped, and one end of a spring 18 is fixedly connected to the surface of the fixing rod 15. The other end of the spring 18 is fixedly connected to the frame 1.

[0031] When the shearing assembly 12 slides inside the frame 1, the lower push block 13 on the lower surface of the shearing assembly 12 contacts the upper push block 14. The lower push block 13 pushes the fixing rod 15 to drive the screen plate 16 to slide inside the frame 1, and the spring 18 retracts towards the inner wall of the frame 1. When the lower push block 13 moves away from the upper push block 14, the spring 18 drives the screen plate 16 back to the initial position, thereby realizing the screen plate 16 reciprocating and shaking inside the frame 1, which enables the screening of plastic particles, greatly shortens the screening time, increases the processing capacity per unit time, meets the needs of large-scale production, ensures the stability of the entire equipment operation, reduces the equipment failure rate, ensures the continuity of the production process, and improves the overall production efficiency.

[0032] In embodiment three, unlike embodiment two, the heat dissipation efficiency of the device is improved by using the heat dissipation plate 21, the fixing plate 19, and the caster rod 22. Figures 6-7 As shown: A fixed plate 19 is fixedly connected to the inner wall of the frame 1, and a sliding rod 20 is fixedly connected to the surface of the fixed plate 19. The sliding rod 20 is slidably connected to a heat sink 21. A caster rod 22 is fixedly connected to the surface of the heat sink 21, and the surface of the caster rod 22 is in contact with the surface of the eccentric wheel 7.

[0033] When the drive shaft 6 rotates, it drives the eccentric wheel 7 to rotate, causing the caster rod 22 on the surface of the eccentric wheel 7 to roll. This causes the heat dissipation plate 21 on the surface of the caster rod 22 to slide on the surface of the sliding rod 20, which improves the working efficiency of the device, greatly increases the contact area with air, accelerates the heat convection speed, and enables heat to be efficiently transferred from the heat dissipation plate 21 to the air. This also improves the cooling efficiency, shortens the cooling time of the plastic granules, and thus improves the overall working efficiency of the granulator.

[0034] The above is the entire working process of the device, and all contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0035] 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A granulator for producing plastic granules with a rapid cooling mechanism, comprising a frame (1), wherein a heat-absorbing component (2) is fixedly connected to the inner wall of the frame (1), and a shearing component (12) is movably connected to the inner wall of the frame (1), and a motor (3) is fixedly connected to the surface of the frame (1), and a rotating shaft (4) is fixedly connected to the output end of the motor (3). Its features are: The rotating shaft (4) is rotatably disposed inside the frame (1), and an agitator (5) is fixedly connected to the surface of the rotating shaft (4). A baffle (23) is fixedly connected to the upper surface of the frame (1), and a drive shaft (6) is rotatably installed inside the baffle (23). A belt is sleeved and connected to both the surface of the drive shaft (6) and the surface of the rotating shaft (4). An eccentric wheel (7) is fixedly connected to the surface of the drive shaft (6). The inner wall of the frame (1) is fixedly connected to a limiting rod (17), and the limiting rod (17) is slidably connected to a sieve plate (16).

2. A granulator for producing plastic particles provided with a rapid cooling mechanism according to claim 1, characterized in that: The frame (1) is rotatably provided with a connecting shaft (9), and the surface of the connecting shaft (9) and the surface of the transmission shaft (6) are both fixedly connected with bevel gears (8).

3. A pelletizing machine for producing plastic pellets with a rapid cooling mechanism according to claim 2, characterized in that: The connecting shaft (9) is fixedly connected to a turntable (10), and one end of a connecting rod (11) is sleeved and connected to the surface of the turntable (10), and the other end of the connecting rod (11) is sleeved and connected to the shearing assembly (12).

4. A granulator for producing plastic granules with a rapid cooling mechanism according to claim 3, characterized in that: The lower surface of the shearing assembly (12) is fixedly connected to a push block (13), and the end of the push block (13) is arc-shaped. The surface of the sieve plate (16) is fixedly connected to a fixing rod (15).

5. A granulator for producing plastic granules with a rapid cooling mechanism according to claim 4, characterized in that: The upper surface of the fixed rod (15) is fixedly connected to the upper push block (14), and the upper surface of the upper push block (14) is arc-shaped. One end of the spring (18) is fixedly connected to the surface of the fixed rod (15), and the other end of the spring (18) is fixedly connected to the frame (1).

6. A pelletizing machine for producing plastic pellets with a rapid cooling mechanism according to claim 1, characterized in that: The inner wall of the frame (1) is fixedly connected to a fixing plate (19), and a sliding rod (20) is fixedly connected to the surface of the fixing plate (19), and the sliding rod (20) is slidably connected to a heat sink plate (21).

7. A granulator for producing plastic granules with a rapid cooling mechanism according to claim 6, characterized in that: The surface of the heat sink (21) is fixedly connected to a caster rod (22), and the surface of the caster rod (22) is in contact with the surface of the eccentric wheel (7).

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