Plastic particle granulator

By introducing protective, heating, and granulation structures into the plastic pellet mill, the problems of particle splashing and time-consuming replacement of molding plates have been solved, achieving greater applicability, stability, and convenience.

CN224527661UActive Publication Date: 2026-07-21KUNSHAN JIUWEI PLASTIC CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KUNSHAN JIUWEI PLASTIC CO LTD
Filing Date
2025-08-04
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing plastic pelletizing machines lack adequate protective measures during pelletizing, resulting in pellet splashing. Furthermore, changing the molding plate is time-consuming and labor-intensive when producing pellets of different sizes.

Method used

A plastic particle pelletizer comprising a protective structure, a heating structure, and a pelletizing structure was designed. The protective structure prevents particle splashing through a locking mechanism, the heating structure monitors and controls the temperature through a temperature sensor, and the pelletizing structure achieves convenient pelletizing through a spiral blade shaft and a cutter.

Benefits of technology

It improves the applicability, stability and convenience of plastic pelletizing machines, prevents particle splashing, ensures stable temperature control, and simplifies the production process of pellets of different sizes.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224527661U_ABST
    Figure CN224527661U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of plastic processing provides a kind of plastic particle granulator, including body, the both sides of the body bottom are uniformly fixed with support, one end of the body is equipped with driving motor, the other end of the body is fixed with granulating structure, the inside of the body is provided with helical blade shaft, the side of the body top is fixed with feed hopper, the outside of the body is provided with heating structure.The utility model is provided with protective structure, under the action of clamping post and clamping groove, the protective shell and the fixed disc are mutually fixed or disassembled, under the action of protective shell, prevent particle splashing when cutting, make particle discharge through discharge port, under the action of transparent observation board, it is convenient to observe the cutting situation in protective shell, realize the function that the device is convenient to prevent splashing, to improve the applicability of the plastic particle granulator when using.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of plastic processing technology, and in particular to a plastic particle granulator. Background Technology

[0002] Plastic pelletizing machine is an industrial equipment that processes waste plastics or raw plastics into uniform granular plastics through processes such as melting, plasticizing, extrusion and cutting, thereby realizing the resource reuse of plastics. Therefore, a plastic pelletizing machine is used.

[0003] To address this, patent CN222115976U discloses a granulator for producing plastic granules, belonging to the field of plastic granule production technology. The granulator includes a screw extruder body. A first mounting plate is fixed to the outer side of the screw extruder body. Multiple optical shafts are fixed to one side of the first mounting plate. A second mounting plate is fixed to one end of each optical shaft. A hydraulic rod is fixed to one side of the second mounting plate. A third mounting plate is slidably connected to the outer side of each optical shaft. Two fixing plates are fixed to the side of the third mounting plate closest to the second mounting plate. Guide rails are provided on the outer sides of both fixing plates. A slider is slidably connected between the two guide rails. A spring is fixed to the other side of the slider. This invention allows for quick replacement of the forming plate to produce plastic granules of different thicknesses, solving the problem that existing plastic granulator production machines require changing the forming plate at the front of the screw extruder when producing granules of different sizes, which is time-consuming and labor-intensive.

[0004] While the aforementioned plastic granulator solves the problem of existing plastic granulator production machines requiring the replacement of the forming plate at the front of the screw extruder when producing granules of different sizes, which is time-consuming and labor-intensive, its inadequate protective measures make it difficult to prevent particle splashing during pelletizing, resulting in low applicability in use. Utility Model Content

[0005] The purpose of this invention is to provide a plastic pelletizing machine to address the shortcomings of existing plastic pelletizing machines in terms of insufficient protective measures.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a plastic particle granulator, comprising a machine body;

[0007] The machine body has supports evenly fixed on both sides of the bottom, a drive motor is installed at one end of the machine body, a granulation structure is fixed at the other end of the machine body, and a spiral blade shaft is provided inside the machine body.

[0008] A feed hopper is fixed to one side of the top of the machine body, and a heating structure is provided on the outside of the machine body;

[0009] A protective structure is fixed to the outer side of one end of the machine body. The protective structure includes a fixed plate fixed to the outer side of one end of the machine body. A protective shell is fitted on the outer side of the fixed plate. Movable grooves are passed through both sides inside the protective shell. Each movable groove is provided with a locking post.

[0010] When using this device, the protective structure facilitates splash prevention, thereby improving the applicability of the plastic pellet granulator; the heating structure facilitates melting, thereby improving the stability of the plastic pellet granulator during use; and the pelletizing structure facilitates pelletizing, thereby improving the convenience of use.

[0011] Preferably, the heating structure includes a heating base, a temperature sensor, a heating cavity, and a heating wire. The heating base is fixed to the outside of the machine body, and a heating cavity is provided inside the heating base. The heating wire is fixed inside the heating cavity, and a temperature sensor passes through the top of the machine body at one end of the heating base. Under the action of the heating wire, the interior of the heating cavity can be heated, causing the heat to heat the plastic inside the machine body, gradually melting the plastic.

[0012] Preferably, the output terminal of the temperature sensor is electrically connected to the input terminal of the heating wire, and the inner side of the heating wire is in contact with the outer side of the machine body. Under the action of the temperature sensor, the internal temperature of the machine body can be monitored in real time. When the temperature is too high, the temperature sensor will control the heating wire to stop working through the microcontroller to avoid damage to the plastic inside the machine body due to excessive temperature.

[0013] Preferably, a discharge port is fixed to the bottom of the protective shell, a fixed shell is fixed to the outside of the protective shell at one end of the movable groove, a movable rod is fixed to one end of each locking post, one end of each movable rod extends to the outside of the fixed shell and is fixed with a handle, and a return spring is sleeved on the outside of each movable rod inside the fixed shell. Under the action of the locking post and the locking groove, the protective shell and the fixed plate are fixed or disassembled. Under the action of the protective shell, particles are prevented from splashing during pelletizing, and particles are discharged through the discharge port.

[0014] Preferably, a transparent observation plate is provided at the end of the protective shell away from the machine body, and a slot is opened inside the fixing plate at one end of the locking post. The locking post and the fixing plate form an engaging structure through the slot. With the help of the transparent observation plate, it is convenient to observe the pelletizing process inside the protective shell.

[0015] Preferably, one end of the spiral blade shaft extends to the outside of the machine body and is fixedly connected to the output end of the drive motor.

[0016] Preferably, the granulation structure includes a rotating shaft, a discharge plate, a cutter, a movable sleeve, and discharge holes. The discharge plate is fixed to one end of the machine body, and the rotating shaft passes through the interior of the discharge plate. Discharge holes are evenly distributed throughout the interior of the discharge plate. A movable sleeve is fixed to the outer wall of one end of the rotating shaft, and a cutter is evenly fixed to the outer side of one end of the movable sleeve. The rotating shaft is fixedly connected to one end of a spiral blade shaft. When the spiral blade shaft rotates, it drives the rotating shaft to rotate. Under the action of the spiral blade shaft, it can move the plastic inside the machine body forward, allowing the plastic inside the machine body to be discharged through the discharge holes.

[0017] Preferably, one end of the rotating shaft is fixedly connected to one end of the spiral blade shaft. Simultaneously, the rotating shaft drives the cutter to rotate via a movable sleeve, at which point the cutter granulates the plastic discharged through the discharge hole.

[0018] The advantages of the plastic particle granulator provided by this utility model are as follows:

[0019] By setting up a protective structure, the protective shell and the fixed plate can be fixed or disassembled by the action of the clamping column and the clamping groove. The protective shell prevents particles from splashing during pelletizing and allows the particles to be discharged through the discharge port. The transparent observation plate makes it easy to observe the pelletizing situation inside the protective shell. This device has the function of preventing splashing and thus improves the applicability of the plastic pelletizing machine in use.

[0020] By incorporating a heating structure, the heating chamber is heated by an electric heating wire, which in turn heats the plastic inside the machine body, causing it to gradually melt. A temperature sensor monitors the internal temperature in real time. When the temperature becomes too high, the sensor, via a microcontroller, stops the heating wire to prevent damage to the plastic inside the machine body. This facilitates melting and improves the stability of the plastic pelletizer during use.

[0021] By incorporating a granulation structure, one end of a rotating shaft is fixedly connected to one end of a spiral blade shaft. When the spiral blade shaft rotates, it drives the rotating shaft to rotate as well. Under the action of the spiral blade shaft, the spiral blade shaft can move the plastic inside the machine body forward, allowing the plastic inside the machine body to be discharged through the discharge hole. At the same time, the rotating shaft drives the cutter to rotate through the movable sleeve. At this time, the cutter will granulate the plastic discharged through the discharge hole, realizing the granulation function of the device and thus improving the convenience of using the plastic particle granulator. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0023] Figure 2 This is a three-dimensional structural schematic diagram of the main cross-section of this utility model;

[0024] Figure 3 This is a three-dimensional structural schematic diagram of the granulation structure of this utility model, shown in the front cross-section.

[0025] Figure 4 This is a top-view cross-sectional three-dimensional structural schematic diagram of the present invention;

[0026] Figure 5 For the present utility model Figure 4 Enlarged structural diagram at point A in the middle.

[0027] The following are the annotations in the diagram: 1. Machine body; 2. Support frame; 3. Drive motor; 4. Feed hopper; 5. Heating structure; 501. Heating seat; 502. Temperature sensor; 503. Heating chamber; 504. Heating wire; 6. Protective structure; 601. Protective shell; 602. Discharge port; 603. Movable groove; 604. Fixed plate; 605. Locking post; 606. Return spring; 607. Fixed shell; 608. Movable rod; 609. Handle; 7. Spiral blade shaft; 8. Granulation structure; 801. Rotating shaft; 802. Discharge plate; 803. Cutter; 804. Movable sleeve; 805. Discharge hole. Detailed Implementation

[0028] 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.

[0029] Please see Figures 1-5 This utility model provides a plastic particle granulator, including a machine body 1. Supports 2 are evenly fixed on both sides of the bottom of the machine body 1. A drive motor 3 is installed at one end of the machine body 1, and a granulation structure 8 is fixed at the other end of the machine body 1. The granulation structure 8 includes a rotating shaft 801, a discharge plate 802, a cutter 803, a movable sleeve 804, and a discharge hole 805. The discharge plate 802 is fixed to one end of the machine body 1. The rotating shaft 801 passes through the interior of the discharge plate 802. The discharge hole 805 is evenly passed through the interior of the discharge plate 802. A movable sleeve 804 is fixed on the outer wall of one end of the rotating shaft 801. A cutter 803 is evenly fixed on the outer side of one end of the movable sleeve 804. One end of the rotating shaft 801 is fixedly connected to one end of the spiral blade shaft 7.

[0030] Reference Figure 2 and Figure 3As shown, one end of the rotating shaft 801 is fixedly connected to one end of the spiral blade shaft 7. When the drive motor 3 is started, the drive motor 3 will drive the spiral blade shaft 7 to rotate inside the machine body 1. When the spiral blade shaft 7 rotates, it will drive the rotating shaft 801 to rotate inside the discharge plate 802. Under the action of the spiral blade shaft 7, the spiral blade shaft 7 can drive the plastic inside the machine body 1 to move forward, so that the plastic inside the machine body 1 is discharged through the discharge hole 805. At the same time, the rotating shaft 801 will drive the cutter 803 to rotate through the movable sleeve 804. At this time, the cutter 803 will cut the plastic discharged through the discharge hole 805 into pellets.

[0031] The machine body 1 has a spiral blade shaft 7 inside. A feed hopper 4 is fixed to one side of the top of the machine body 1. A heating structure 5 is provided on the outside of the machine body 1. The heating structure 5 includes a heating seat 501, a temperature sensor 502, a heating chamber 503, and a heating wire 504. The heating seat 501 is fixed to the outside of the machine body 1. The heating chamber 503 is provided inside the heating seat 501. The heating wire 504 is fixed inside the heating chamber 503. The temperature sensor 502 passes through the top of the machine body 1 at one end of the heating seat 501. The output end of the temperature sensor 502 is electrically connected to the input end of the heating wire 504. The inner side of the heating wire 504 is in contact with the outer side of the machine body 1. One end of the spiral blade shaft 7 extends to the outside of the machine body 1 and is fixedly connected to the output end of the drive motor 3.

[0032] Reference Figure 1 and Figure 2 As shown, when connected to a power source, the heating wire 504 heats the interior of the heating chamber 503, causing the plastic inside the body 1 to gradually melt. The temperature sensor 502 monitors the temperature inside the body 1 in real time. When the temperature is too high, the temperature sensor 502 will control the heating wire 504 to stop working through the microcontroller to prevent the plastic inside the body 1 from being damaged due to excessive temperature.

[0033] A protective structure 6 is fixed to the outer side of one end of the machine body 1. The protective structure 6 includes a fixed plate 604 fixed to the outer side of one end of the machine body 1. A protective shell 601 is sleeved on the outer side of the fixed plate 604. Movable grooves 603 are passed through both sides inside the protective shell 601. A locking post 605 is provided inside the movable groove 603. A discharge port 602 is fixed to the bottom end of the protective shell 601. A fixed shell 607 is fixed to the outer side of the protective shell 601 at one end of the movable groove 603. A movable rod 608 is fixed to one end of the locking post 605. One end of the movable rod 608 extends to the outside of the fixed shell 607 and is fixed with a handle 609. A return spring 606 is sleeved on the outer side of the movable rod 608 inside the fixed shell 607. A transparent observation plate is provided at the end of the protective shell 601 away from the machine body 1. A locking groove is opened inside the fixed plate 604 at one end of the locking post 605. The locking post 605 and the fixed plate 604 form a locking structure through the locking groove.

[0034] Reference Figure 4 and Figure 5 As shown, by pulling the movable rod 608 with the handle 609, the locking pin 605 is moved to the outside of the locking slot, and the protective shell 601 is placed on the outside of the fixed plate 604. At this time, the handle 609 is released, and under the elastic force of the return spring 606, the locking pin 605 is moved to the inside of the locking slot, thereby fixing the protective shell 601 and the fixed plate 604 together. Under the action of the locking pin 605 and the locking slot, the protective shell 601 and the fixed plate 604 can be fixed or disassembled. Under the action of the protective shell 601, the particles are prevented from splashing during pelleting, and the particles are discharged through the discharge port 602. Under the action of the transparent observation plate, it is convenient to observe the pelleting situation inside the protective shell 601.

[0035] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A plastic pelletizing machine, comprising a machine body (1); Its features are: The bottom of the machine body (1) is evenly fixed with brackets (2) on both sides, a drive motor (3) is installed at one end of the machine body (1), a granulation structure (8) is fixed at the other end of the machine body (1), and a spiral blade shaft (7) is provided inside the machine body (1). A feed hopper (4) is fixed on one side of the top of the machine body (1), and a heating structure (5) is provided on the outside of the machine body (1); A protective structure (6) is fixed to the outer side of one end of the body (1). The protective structure (6) includes a fixed plate (604) fixed to the outer side of one end of the body (1). A protective shell (601) is sleeved on the outer side of the fixed plate (604). Movable grooves (603) are passed through both sides inside the protective shell (601). A locking post (605) is provided inside the movable groove (603).

2. The plastic pelletizing machine according to claim 1, characterized in that: The heating structure (5) includes a heating base (501), a temperature sensor (502), a heating cavity (503), and a heating wire (504). The heating base (501) is fixed to the outside of the body (1). The heating cavity (503) is provided inside the heating base (501). The heating wire (504) is fixed inside the heating cavity (503). The temperature sensor (502) passes through the top of the body (1) at one end of the heating base (501).

3. The plastic pelletizing machine according to claim 2, characterized in that: The output end of the temperature sensor (502) is electrically connected to the input end of the heating wire (504), and the inner side of the heating wire (504) is in contact with the outer side of the body (1).

4. The plastic pelletizing machine according to claim 1, characterized in that: The bottom end of the protective shell (601) is fixed with a discharge port (602). The outer side of the protective shell (601) at one end of the movable groove (603) is fixed with a fixed shell (607). One end of the locking post (605) is fixed with a movable rod (608). One end of the movable rod (608) extends to the outside of the fixed shell (607) and is fixed with a handle (609). The outer side of the movable rod (608) inside the fixed shell (607) is fitted with a return spring (606).

5. A plastic pelletizing machine according to claim 4, characterized in that: The protective shell (601) has a transparent observation plate at the end away from the body (1), and the locking plate (604) at one end of the locking post (605) has a locking groove inside, and the locking post (605) and the locking plate (604) form a locking structure through the locking groove.

6. A plastic particle granulator according to claim 1, characterized in that: One end of the spiral blade shaft (7) extends to the outside of the machine body (1) and is fixedly connected to the output end of the drive motor (3).

7. A plastic pelletizing machine according to claim 1, characterized in that: The granulation structure (8) includes a rotating shaft (801), a discharge plate (802), a cutter (803), a movable sleeve (804), and a discharge hole (805). The discharge plate (802) is fixed to one end of the machine body (1). The rotating shaft (801) passes through the interior of the discharge plate (802). The discharge hole (805) is uniformly passed through the interior of the discharge plate (802). The movable sleeve (804) is fixed on the outer wall of one end of the rotating shaft (801). The cutter (803) is uniformly fixed on the outer side of one end of the movable sleeve (804).

8. A plastic pelletizing machine according to claim 7, characterized in that: One end of the rotating shaft (801) is fixedly connected to one end of the spiral blade shaft (7).