Granule cutting device for plastic granule granulation

Abstract

The utility model discloses a pelletizing device for plastic particle granulation, which relates to the field of plastic particle granulation and comprises a bottom plate, a support column is mounted at the top of the bottom plate, the top end of the support column is connected with a pelletizing cylinder, a discharge component is arranged in the pelletizing cylinder, and the discharge component comprises a guide ring mounted on the inner wall of the pelletizing cylinder. Through the arrangement of the discharging assembly, when discharging is needed, a worker can rotate a threaded rod, and when the threaded rod moves, the threaded rod can drive a movable plate to move upwards, then drive a connecting rod to move upwards and drive a material blocking hopper to move upwards, so that the material blocking hopper and a baffle are not attached to a material guiding ring any more, and large-particle materials on a screen are not blocked any more; and at the moment, the large-particle materials accumulated near the baffle can slide to the material guide ring and are discharged through the discharge port, so that the large-particle materials accumulated on the screen can be quickly cleaned, the situation that the large-particle materials are accumulated on the screen all the time and are difficult to discharge is prevented, and the cleaning efficiency of the materials on the screen is further improved.

Description

Technical Field

[0001] The utility model relates to the field of plastic particle granulation, in particular to a granulation device for plastic particle granulation. Background Art

[0002] Plastic pelletizer is a kind of pelletizer, which is mainly used for processing waste plastic film, woven bags, agricultural convenience bags, basins, barrels, beverage bottles, furniture, daily necessities, etc. It is suitable for most common waste plastics to achieve recycling. Pelletizing can also speed up the degradation of plastics. When pelletizing plastics, a motor is often used to drive the rotating blade to cut the plastic.

[0003] According to the Chinese patent publication number CN221736740U, a pelletizing device for granulating degradable plastics is disclosed. This utility model uses a motor to drive the cutting blade to rotate to achieve plastic pelletizing. The motor also drives the rotating rod and stirring rod to stir the independent particles accumulated on the filter screen, accelerating the speed at which the plastic particles pass through the filter screen and improving the degradation efficiency.

[0004] Regarding the above-mentioned disclosed patent content, a filter is provided to screen and filter the granulated plastic, but large particles of plastic will accumulate on the filter and are difficult to fall down. Over time, a large amount of large particles of plastic will accumulate on the filter, which will cause the filter to be blocked, affecting the filter effect of the filter on the plastic. Moreover, since the filter is installed inside the device, it is more troublesome to disassemble, and it is difficult to remove the large particles of plastic accumulated on the filter, thereby reducing the cleaning efficiency of the filter. Utility Model Content

[0005] Based on this, the purpose of the present invention is to provide a pelletizing device for plastic pelletizing to solve the technical problem of the inconvenience of cleaning large plastic particles accumulated on the filter screen.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pelletizing device for granulating plastic particles, comprising a base plate, a support column is installed on the top of the base plate, and the top of the support column is connected to a pelletizing barrel, a discharging assembly is provided in the pelletizing barrel, and the discharging assembly includes a guide ring installed on the inner wall of the pelletizing barrel, a threaded rod threadedly connected to the pelletizing barrel and a discharge port opened on one side of the pelletizing barrel, the bottom end of the threaded rod is connected to a movable plate through a bearing, and a connecting rod is installed at the bottom of the movable plate, the bottom end of the connecting rod is connected to a material hopper, and a baffle is installed on one side of the inner side of the material hopper, the inner wall of the guide ring is provided with a movable groove, a movable ring is provided inside the movable groove, and a screen is installed on the inner wall of the movable ring.

[0007] By adopting the above technical solution, when material needs to be discharged, the staff can rotate the threaded rod. When the threaded rod moves, it will drive the movable plate to move up, then drive the connecting rod to move up, and drive the material hopper to move up.

[0008] Furthermore, the discharging assembly also includes a placement plate installed below one side of the pelletizing cylinder and a discharging plate provided on one side of the pelletizing cylinder, and a collecting box is placed on the top of the placement plate.

[0009] By adopting the above technical solution, the collecting box can be placed on the placing plate, and the collecting box can collect large particle materials.

[0010] Furthermore, a guide rod penetrating to the top of the pelletizing cylinder is installed on one side of the top of the movable plate, and the guide rod is located on one side of the threaded rod.

[0011] By adopting the above technical solution, when the movable plate moves, it will drive the guide rod to move, and the guide rod can guide the movable plate to prevent the movable plate from rotating.

[0012] Furthermore, a first motor is installed on the top of the pelletizing barrel, an output end of the first motor is connected to a rotating shaft extending into the interior of the pelletizing barrel, and a plurality of cutting knives are installed on the outer wall of the rotating shaft.

[0013] By adopting the above technical solution, after the plastic falls into the pelletizing barrel, the first motor can be started, and the first motor can drive the rotating shaft to rotate, and the rotating shaft drives the cutting knife to rotate.

[0014] Furthermore, a conveying cylinder is installed on the top of the bottom plate, and a discharge pipe is connected between the conveying cylinder and the pelletizing cylinder.

[0015] By adopting the above technical solution, the pelletized plastic will fall into the conveying cylinder through the discharge pipe, which is convenient for the subsequent conveying of the pelletized plastic.

[0016] Furthermore, a second motor is installed on one side of the conveying cylinder, an output end of the second motor is connected to a conveying shaft extending into the interior of the conveying cylinder, and a spiral blade is installed on the outer wall of the conveying shaft.

[0017] By adopting the above technical solution, when the pelletized plastic needs to be transported, the second motor can be started, and the second motor can drive the conveying shaft to rotate, and the conveying shaft can drive the spiral blade to rotate, and the spiral blade can transport the plastic.

[0018] Furthermore, a discharge port is provided on the other side of the conveying cylinder, and a guide hopper is installed above the interior of the pelletizing cylinder.

[0019] By adopting the above technical solution, the material can be discharged through the discharge port, and the setting of the guide hopper facilitates the material guidance, so that the plastic can slide onto the cutting knife.

[0020] Furthermore, a feed pipe is connected to one side of the top of the pelletizing cylinder, and the bottom end of the rotating shaft is connected to the top of the screen.

[0021] By adopting the above technical solution, the provision of the feed pipe makes it easy to add the plastic into the pelletizing barrel, thereby facilitating the pelletizing process of the plastic.

[0022] Furthermore, a protective tube is installed on the outer wall of the conveying tube, and an electric heating tube is installed between the protective tube and the conveying tube.

[0023] By adopting the above technical solution, the protective cylinder can shield and protect the conveying cylinder, and the electric heating tube can heat the material inside the conveying cylinder.

[0024] Furthermore, the inner wall of the baffle is arranged to be inclined, and the bottom of the baffle contacts the top of the screen.

[0025] By adopting the above technical solution, when the screen rotates, the baffle can scrape off the large particles accumulated on the screen, so that the large particles are accumulated near the baffle for subsequent discharge.

[0026] In summary, the present invention has the following beneficial effects:

[0027] 1. The utility model is provided with a discharging assembly. When discharging is required, the staff can rotate the threaded rod. When the threaded rod moves, it will drive the movable plate to move up, and then drive the connecting rod to move up, and drive the blocking hopper to move up, so that the blocking hopper and the baffle are no longer in contact with the guide ring and no longer block the large particles of material on the screen. At this time, the large particles accumulated near the baffle will slide onto the guide ring and be discharged through the discharging port. In this way, the large particles accumulated on the screen can be quickly cleaned up, preventing the large particles from accumulating on the screen and being difficult to discharge, thereby improving the cleaning efficiency of the material on the screen.

[0028] 2. The utility model is provided with a material blocking hopper and a baffle. The setting of the material blocking hopper can prevent the material from sliding onto the guide ring at will and prevent the material from being discharged through the discharge port at will. When the rotating shaft rotates, it will drive the screen to rotate, and the screen will drive the material accumulated on the top to rotate. The baffle can prevent the material on the screen from continuing to rotate, so that the material will only accumulate near the baffle, which is convenient for subsequent cleaning of the material on the screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0030] Figure 2 This is a schematic diagram of the overall front cross-sectional structure of the utility model;

[0031] Figure 3 This is a schematic diagram of the cross-sectional structure of the pelletizing cylinder of the present utility model;

[0032] Figure 4This is a schematic diagram of the screen structure of the present utility model;

[0033] Figure 5 This is a schematic diagram of the three-dimensional structure of the material retaining hopper of the present utility model;

[0034] Figure 6 This is a schematic diagram of the three-dimensional structure of the material guide ring of the present utility model.

[0035] In the figure: 1. Base plate; 2. Support column; 3. Cutting cylinder; 4. Feed pipe; 5. Guide hopper; 6. First motor; 7. Rotating shaft; 8. Cutting knife; 9. Discharge assembly; 901. Baffle hopper; 902. Discharge port; 903. Guide ring; 904. Baffle; 905. Screen; 906. Movable ring; 907. Movable groove; 908. Connecting rod; 909. Movable plate; 910. Guide rod; 911. Threaded rod; 912. Placement plate; 913. Collection box; 914. Discharge plate; 10. Discharge pipe; 11. Conveying cylinder; 12. Second motor; 13. Conveying shaft; 14. Spiral blade; 15. Discharge port; 16. Protective cylinder; 17. Electric heating tube. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0037] The following describes an embodiment of the present invention based on its overall structure.

[0038] Example 1:

[0039] A pelletizing device for plastic pellets, such as Figures 1-6 As shown, it includes a base plate 1, a support column 2 is installed on the top of the base plate 1, and a pelletizing barrel 3 is connected to the top of the support column 2, a discharging component 9 is provided in the pelletizing barrel 3, and a first motor 6 is installed on the top of the pelletizing barrel 3, and the output end of the first motor 6 is connected to a rotating shaft 7 extending to the inside of the pelletizing barrel 3, and a plurality of cutting knives 8 are installed on the outer wall of the rotating shaft 7. After the plastic falls into the pelletizing barrel 3, the first motor 6 can be started, and the first motor 6 can drive the rotating shaft 7 to rotate, and the rotating shaft 7 drives the cutting knife 8 to rotate, and the cutting knife 8 can perform pelletizing. A conveying barrel 11 is also installed on the top of the base plate 1, and a discharging pipe 10 is connected between the conveying barrel 11 and the pelletizing barrel 3. The pelletized plastic will fall into the conveying barrel 11 through the discharging pipe 10, which is convenient for the subsequent conveying of the pelletized plastic.

[0040] See Figure 1-Figure 4A second motor 12 is installed on one side of the conveying cylinder 11. The output end of the second motor 12 is connected to a conveying shaft 13 extending into the interior of the conveying cylinder 11, and a spiral blade 14 is installed on the outer wall of the conveying shaft 13. When the pelletized plastic needs to be conveyed, the second motor 12 can be started. The second motor 12 can drive the conveying shaft 13 to rotate, and the conveying shaft 13 can drive the spiral blade 14 to rotate. The spiral blade 14 can convey the plastic. A discharge port 15 is opened on the other side of the conveying cylinder 11, and a material guide is installed above the interior of the pelletizing cylinder 3. Bucket 5, the material can be discharged through the discharge port 15, and the setting of the guide hopper 5 is convenient for guiding the material, so that the plastic can slide onto the cutting knife 8. The top side of the pelletizing cylinder 3 is connected with a feed pipe 4. The setting of the feed pipe 4 is convenient for adding plastic into the pelletizing cylinder 3, which is convenient for pelletizing the plastic. A protective cylinder 16 is installed on the outer wall of the conveying cylinder 11, and an electric heating tube 17 is installed between the protective cylinder 16 and the conveying cylinder 11. The protective cylinder 16 can shield and protect the conveying cylinder 11, and the electric heating tube 17 can heat the material inside the conveying cylinder 11.

[0041] Specifically, the discharge assembly 9 includes a guide ring 903 installed on the inner wall of the cutting cylinder 3, a threaded rod 911 threadedly connected to the cutting cylinder 3 and a discharge port 902 opened on one side of the cutting cylinder 3. The bottom end of the threaded rod 911 is connected to a movable plate 909 through a bearing, and a connecting rod 908 is installed at the bottom of the movable plate 909. The bottom end of the connecting rod 908 is connected to a material hopper 901, and a baffle 904 is installed on the inner side of the material hopper 901. The top of the threaded rod 911 is connected to a turning handle. When discharging is required, the staff can rotate the threaded rod 911 through the turning handle. When the threaded rod 911 moves, it will drive the movable plate 909 to move upward, and then drive the connecting rod 908 to move upward, and drive the material hopper 901 to move upward.

[0042] Specifically, the bottom end of the rotating shaft 7 is connected to the top of the screen 905, the inner wall of the baffle 901 is arranged in an inclined surface, and the bottom of the baffle 904 contacts the top of the screen 905, so that when the screen 905 rotates, the baffle 904 can scrape off the large particles of material accumulated on the screen 905, so that the large particles of material accumulate near the baffle 904 for subsequent discharge. The inner wall of the guide ring 903 is provided with a movable groove 907, and a movable ring 906 is provided inside the movable groove 907, and the inner wall of the movable ring 906 is installed with the screen 905. The top of the screen 905 and the top of the guide ring 903 are both arranged in an inclined surface, and the movable groove 907 is ring-shaped. The movable ring 906 is slidably connected to the movable groove 907, so that when the screen 905 rotates, it will drive the movable ring 906 to slide inside the movable groove 907, thereby improving the stability of the screen 905 when it rotates.

[0043] Example 2:

[0044] On the basis of the above embodiment 1, in order to facilitate the collection of large particle materials, the following structure is set.

[0045] Specifically, the discharge assembly 9 also includes a placement plate 912 installed below one side of the pelletizing cylinder 3 and a discharge plate 914 provided on one side of the pelletizing cylinder 3. A collection box 913 is placed on the top of the placement plate 912. The collection box 913 can be placed on the placement plate 912, and the collection box 913 can collect large particle materials.

[0046] Example 3:

[0047] On the basis of the above-mentioned embodiment 1, in order to prevent the movable plate 909 from rotating along with the threaded rod 911 , the following structure is provided to guide the movable plate 909 .

[0048] See Figure 1-Figure 5 A guide rod 910 is installed on one side of the top of the movable plate 909 and passes through the top of the pelletizing cylinder 3. The guide rod 910 is located on one side of the threaded rod 911. When the movable plate 909 moves, it will drive the guide rod 910 to move. The guide rod 910 can guide the movable plate 909 to prevent the movable plate 909 from rotating.

[0049] The working principle of the present utility model is as follows: first, the staff can install the device and connect the power supply, then start the first motor 6, the first motor 6 can drive the rotating shaft 7 to rotate, the rotating shaft 7 drives the cutting knife 8 to rotate, and then the plastic is added to the pelletizing cylinder 3 through the feeding pipe 4, the cutting knife 8 can pelletize the plastic, and the pelletized plastic falls onto the screen 905, and after being screened by the screen 905, it falls downward into the discharge pipe 10, at this time, the second motor 12 and the electric heating tube 17 are started, the second motor 12 drives the conveying shaft 13 to rotate, and then drives the spiral blade 14 to rotate, the spiral blade 14 conveys the pelletized plastic to move, and the electric heating tube 17 can heat the plastic in the conveying cylinder 11, and the plastic is then discharged through the discharge port 15;

[0050] The setting of the material hopper 901 can prevent the material from sliding onto the guide ring 903 at will and prevent the material from being discharged through the discharge port 902 at will. When the rotating shaft 7 rotates, it drives the screen 905 to rotate, and the screen 905 drives the material accumulated on the top to rotate. The baffle 904 can prevent the material on the screen 905 from continuing to rotate, so that the material will only accumulate near the baffle 904.

[0051] When material needs to be discharged, the staff can rotate the threaded rod 911. When the threaded rod 911 moves, it will drive the movable plate 909 to move upward, and then drive the connecting rod 908 to move upward, and drive the blocking hopper 901 to move upward, so that the blocking hopper 901 and the baffle 904 are no longer in contact with the guide ring 903, and no longer block the large particles on the screen 905. At this time, the large particles accumulated near the baffle 904 will slide onto the guide ring 903 and slide into the collection box 913 through the discharge port 902, thereby facilitating the collection of large particles.

[0052] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not limitations on the present invention. The specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and purpose of the present invention, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A pelletizing device for granulating plastic particles, comprising a bottom plate (1), characterized in that: A support column (2) is installed on the top of the base plate (1), and the top end of the support column (2) is connected to a pelletizing barrel (3). A discharge assembly (9) is provided in the pelletizing barrel (3), and the discharge assembly (9) includes a guide ring (903) installed on the inner wall of the pelletizing barrel (3), a threaded rod (911) threadedly connected to the pelletizing barrel (3), and a discharge port (902) opened on one side of the pelletizing barrel (3). The bottom end of the threaded rod (911) is connected to a A movable plate (909) is provided, and a connecting rod (908) is installed at the bottom of the movable plate (909), the bottom end of the connecting rod (908) is connected to a material blocking hopper (901), and a baffle (904) is installed on one side of the interior of the material blocking hopper (901), a movable groove (907) is provided on the inner wall of the guide ring (903), a movable ring (906) is provided inside the movable groove (907), and a screen (905) is installed on the inner wall of the movable ring (906).

2. A pelletizing device for plastic granulation according to claim 1, characterized in that: The discharge assembly (9) further comprises a placement plate (912) installed below one side of the pelletizing barrel (3) and a discharge plate (914) provided on one side of the pelletizing barrel (3); a collection box (913) is placed on top of the placement plate (912).

3. A pelletizing device for plastic granulation according to claim 1, characterized in that: A guide rod (910) is installed on one side of the top of the movable plate (909) and extends through the top of the pelletizing cylinder (3). The guide rod (910) is located on one side of the threaded rod (911).

4. A pelletizing device for plastic granulation according to claim 1, characterized in that: A first motor (6) is installed on the top of the pelletizing barrel (3); an output end of the first motor (6) is connected to a rotating shaft (7) extending into the interior of the pelletizing barrel (3); and a plurality of cutting knives (8) are installed on the outer wall of the rotating shaft (7).

5. The pelletizing device for plastic pelletizing according to claim 1, characterized in that: A conveying cylinder (11) is also installed on the top of the bottom plate (1), and a discharge pipe (10) is connected between the conveying cylinder (11) and the pelletizing cylinder (3).

6. A pelletizing device for plastic granulation according to claim 5, characterized in that: A second motor (12) is installed on one side of the conveying cylinder (11); an output end of the second motor (12) is connected to a conveying shaft (13) extending into the interior of the conveying cylinder (11); and a spiral blade (14) is installed on the outer wall of the conveying shaft (13).

7. A pelletizing device for plastic granulation according to claim 5, characterized in that: A discharge port (15) is provided on the other side of the conveying cylinder (11), and a guide hopper (5) is installed above the interior of the pelletizing cylinder (3).

8. A pelletizing device for plastic granulation according to claim 4, characterized in that: A feed pipe (4) is connected to one side of the top of the pelletizing cylinder (3), and the bottom end of the rotating shaft (7) is connected to the top of the screen (905).

9. A pelletizing device for plastic granulation according to claim 5, characterized in that: A protective cylinder (16) is installed on the outer wall of the conveying cylinder (11), and an electric heating tube (17) is installed between the protective cylinder (16) and the conveying cylinder (11).

10. A pelletizing device for plastic granulation according to claim 1, characterized in that: The inner wall of the material blocking hopper (901) is arranged in an inclined surface, and the bottom of the baffle (904) contacts the top of the screen (905).

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