A pellet mill

Abstract

The utility model discloses a granulator, include: the pot body, blade device and flow guide device, the inside of pot body is equipped with the accommodation cavity for accommodating blade device and chemical fibre material, the blade device includes the quick -witted blade, first motor and fixed knife, the quick -witted blade is centrally arranged on the bottom of accommodation cavity, first motor is equipped below the accommodation cavity, its output shaft is transmission connection with quick -witted blade, be equipped with a plurality of moving knives on quick -witted blade, and fixed knife is arranged in the accommodation cavity and is located one side of quick -witted blade, the flow guide device includes flow guide body, and flow guide body is located in the accommodation cavity, and is equipped on the inside wall of pot body, along the circumferential extension of pot body, the side of flow guide body away from the inside wall of pot body is triangular or trapezoidal, has upper inclined plane and lower inclined plane along the vertical direction, is equipped with flow guide groove on lower inclined plane. Material will flow along the flow direction of flow guide plate. Flow guide groove can further guide material flow along the specific path, and such structure makes material distribution more uniform in whole accommodation cavity.

Description

Technical Field

[0001] This utility model relates to the field of waste material recycling, and in particular to a pelletizing machine. Background Technology

[0002] A pelletizer is a type of mechanical equipment mainly used in the plastic recycling and processing industry. It works by generating heat through friction between the chemical fiber material and the moving blades, blade disc, fixed blades, and pot walls during the rotation and tumbling process, causing the chemical fiber material to shrink thermally.

[0003] In practical applications, the movement of chemical fiber materials within the pelletizing pot has a significant impact on the pelletizing effect. However, existing pelletizers often experience uneven material flow during operation, with some areas having excessively dense material, leading to uneven heating and affecting pelleting quality. Utility Model Content

[0004] Therefore, there is a need to provide a pelletizer to solve the problem of uneven material flow that often occurs during the operation of the pelletizer, which affects the pelletizing quality.

[0005] To achieve the above objectives, the inventors provide a pelletizer, comprising: a pot body, a blade assembly, and a flow guiding device;

[0006] The interior of the pot body is provided with a accommodating cavity for accommodating the blade device and the chemical fiber material;

[0007] The blade assembly includes a movable blade disc, a first motor, and a fixed blade. The movable blade disc is centrally located at the bottom of the receiving cavity. The first motor is located below the receiving cavity, and its output shaft is connected to the movable blade disc for transmission. The movable blade disc is provided with multiple movable blades, and the fixed blade is located in the receiving cavity and on one side of the movable blade disc.

[0008] The flow guiding device includes a flow guiding fluid located within the accommodating cavity and disposed on the inner wall of the pot body, extending circumferentially along the pot body. The side of the flow guiding fluid away from the inner wall of the pot body is triangular or trapezoidal, and has an upper inclined surface and a lower inclined surface in the vertical direction. A flow guiding groove is provided on the lower inclined surface.

[0009] Furthermore, the flow guiding device also includes an angle adjustment mechanism;

[0010] The angle adjustment mechanism is located outside the accommodating cavity, passes through the pot body and is connected to the guide fluid, and is used to adjust the pitch angle of the guide fluid.

[0011] Furthermore: the angle adjustment mechanism includes a second motor and a sealing structure;

[0012] The guide fluid is provided with a connecting shaft on the side near the inner wall of the pot, and the connecting shaft is arranged in parallel. The second motor is located outside the accommodating cavity and is connected to the connecting shaft for driving, and is used to adjust the pitch angle of the guide fluid. The sealing structure is provided between the guide fluid and the inner wall of the pot, and between the inner wall of the pot and the connecting shaft.

[0013] Furthermore, there are multiple guide channels, and the multiple guide channels are located at different heights in the accommodating cavity.

[0014] Furthermore, the cross-section of the guide channel in the vertical plane is arc-shaped, with the middle being higher and the two ends being lower.

[0015] Furthermore, it also includes a liquid level sensor, which is located inside the accommodating cavity and disposed on the inner side wall of the pot body.

[0016] Furthermore, it also includes a temperature sensor, located within the accommodating cavity and disposed on the inner wall of the pot body.

[0017] Furthermore, it also includes a pot lid and a water spray device;

[0018] The upper end of the accommodating cavity has an opening, and the pot lid is placed over the opening;

[0019] The water spraying device is located on the pot lid and is used to spray water into the accommodating cavity.

[0020] Unlike existing technologies, the above technical solution has the following beneficial effects:

[0021] The synthetic fiber material is repeatedly tumbled within the pot, flowing along the direction of the guide plate. The guide channel further guides the material along a specific path, preventing material accumulation in localized areas. This structure results in a more uniform distribution of material throughout the entire granulation chamber. This provides excellent conditions for uniform heating and thorough granulation, solving the problem of uneven material flow in existing granulators.

[0022] The above description of the utility model is merely an overview of the technical solution of this application. In order to enable those skilled in the art to better understand the technical solution of this application and to implement it based on the description and drawings, and to make the above-mentioned objectives and other objectives, features and advantages of this application easier to understand, the following description is provided in conjunction with the specific embodiments and drawings of this application. Attached Figure Description

[0023] The accompanying drawings are only used to illustrate the principles, implementation methods, applications, features, and effects of specific embodiments of this utility model and other related contents, and should not be considered as limitations on this application.

[0024] Figure 1 This is a cross-sectional view of the pelletizer in this embodiment;

[0025] Figure 2 This is a top view of the pelletizer in this embodiment;

[0026] Figure 3 This is a cross-sectional view of the flow guiding device in this embodiment;

[0027] Figure 4 This is a schematic diagram of the fluid guide in this embodiment;

[0028] Figure 5 This is a schematic diagram of the pot lid and water spraying device in this embodiment.

[0029] Explanation of reference numerals in the attached figures:

[0030] 1. Pot body; 11. Receiving cavity; 12. Opening;

[0031] 2. Pot lid;

[0032] 3. Blade assembly; 31. Moving blade disc; 311. Moving blade; 32. Fixed blade;

[0033] 4. Flow guide; 41. Lower inclined surface; 42. Upper inclined surface; 43. Flow guide groove; 44. Connecting shaft;

[0034] 5. Angle adjustment mechanism; 51. Second motor; 52. Sealing structure;

[0035] 6. Temperature sensor;

[0036] 7. Sprinkler device; 71. Nozzle; 72. Water pipe; 73. Valve. Detailed Implementation

[0037] To illustrate the possible application scenarios, technical principles, implementable specific solutions, and achievable objectives and effects of this application in detail, the following description, in conjunction with the listed specific embodiments and accompanying drawings, provides a detailed explanation. The embodiments described herein are merely illustrative of the technical solutions of this application and are therefore intended to limit the scope of protection of this application.

[0038] In this document, the term "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The term "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or connection with other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0039] Unless otherwise defined, the technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the use of related terms herein is merely for the purpose of describing particular embodiments and is not intended to limit this application.

[0040] In the description of this application, the term "and / or" is used to describe the logical relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A exists, B exists, and A and B exist simultaneously. Additionally, the character " / " in this document generally indicates that the preceding and following objects have an "or" logical relationship.

[0041] In this application, terms such as “first” and “second” are used only to distinguish one entity or operation from another, and do not necessarily require or imply any actual quantity, hierarchy or order relationship between these entities or operations.

[0042] Without further limitations, the use of terms such as “comprising,” “including,” “having,” or other similar open-ended expressions in this application is intended to cover non-exclusive inclusion, which does not exclude the presence of additional elements in a process, method, or product that includes the stated elements, such that a process, method, or product that includes a list of elements may include not only those defined elements but also other elements not expressly listed, or elements inherent to such a process, method, or product.

[0043] In this application, expressions such as "greater than", "less than", and "exceeding" are understood to exclude the stated number; expressions such as "above", "below", and "within" are understood to include the stated number. Furthermore, in the description of the embodiments of this application, "multiple" means two or more (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups" and "multiple times", unless otherwise explicitly specified.

[0044] In the description of the embodiments of this application, the space-related expressions used, such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiments or drawings. They are only for the purpose of describing the specific embodiments of this application or for the reader's understanding, and do not indicate or imply that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0045] Unless otherwise expressly specified or limited, the terms "installation," "connection," "linking," "fixing," and "setting," as used in the description of the embodiments of this application, should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral arrangement; it can be a direct connection or an indirect connection through an intermediate medium; it can be a relationship of two components combined together, an interaction relationship between two components, or a connection within two structures. Those skilled in the art to which this application pertains can understand the specific meaning of the above terms in the embodiments of this application according to the specific circumstances.

[0046] Please see Figures 1 to 5 This embodiment provides a pelletizer, including: a pot body 1, a blade device 3, and a flow guiding device;

[0047] The interior of the pot body 1 is provided with a receiving cavity 11 for accommodating the blade device 3 and the chemical fiber material;

[0048] The blade device 3 includes a movable blade disc 31, a first motor, and a fixed blade 32. The movable blade disc 31 is centrally located at the bottom of the receiving cavity 11. The first motor is located below the receiving cavity 11, and its output shaft is connected to the movable blade disc 31 for transmission. The movable blade disc 31 is provided with multiple movable blades 311. The fixed blade 32 is located in the receiving cavity 11 and is located on one side of the movable blade disc 31.

[0049] The flow guiding device includes a flow guiding fluid 4, which is located in the accommodating cavity 11 and is provided on the inner wall of the pot body 1, extending along the circumference of the pot body 1. The side of the flow guiding fluid 4 away from the inner wall of the pot body 1 is triangular or trapezoidal. The triangular or trapezoidal shape has an upper inclined surface 42 and a lower inclined surface 41 in the vertical direction. A flow guiding groove 43 is provided on the lower inclined surface 41. One end of the triangular or trapezoidal shape is sharp and the other end is wide in the circumferential direction of the pot body 1. The direction from the sharp end to the wide end is the flow guiding direction.

[0050] Figure 4 As shown, the guide fluid 4 has a sharp left end and a wide right end, forming an arrow shape overall. The flow direction is from left to right, and the chemical fiber material flows from left to right. During operation, the chemical fiber material is fed into the receiving cavity 11 of the pot body 1. The first motor is started, driving the moving blade disc 31 and its moving blades 311 to rotate at high speed. A high-speed shearing zone is formed between the moving blades 311 and the fixed blades 32, shearing and tearing the material near this zone, reducing its size and facilitating subsequent frictional heating and agglomeration. The chemical fiber material tumbles up and down multiple times within the pot body 1, flowing along the guide direction of the guide plate. The guide groove 43 further guides the material along a specific path, preventing material accumulation in local areas. This structure makes the material more evenly distributed throughout the receiving cavity 11. This provides excellent conditions for uniform heating and full agglomeration of the material, solving the problem of uneven material flow in existing agglomerators.

[0051] Please see Figure 3 In some embodiments, the flow guiding device further includes an angle adjustment mechanism 5; the angle adjustment mechanism 5 is located outside the accommodating cavity 11, passes through the pot body 1 and is connected to the flow guiding fluid 4, and is used to adjust the pitch angle of the flow guiding fluid 4.

[0052] In actual production, the flow state of materials may need to be adjusted according to different product specifications and production process requirements. Operators can flexibly adjust the pitch angle of the guide fluid 4 according to the characteristics of the material, such as particle size and density differences, thereby changing the flow trajectory of the material.

[0053] Please see Figure 3 In some embodiments, the angle adjustment mechanism 5 includes a second motor 51 and a sealing structure 52; a connecting shaft 44 is provided on the side of the guide fluid 4 near the inner wall of the pot body 1, the connecting shaft 44 is arranged in parallel, the second motor 51 is located outside the accommodating cavity 11 and is connected to the connecting shaft 44 for transmission, and is used to adjust the pitch angle of the guide fluid 4, that is, to rotate the guide fluid 4 up and down around the connecting shaft 44, and the sealing structure 52 is located between the guide fluid 4 and the inner wall of the pot body 1, and between the inner wall of the pot body 1 and the connecting shaft 44.

[0054] The operator sends a command to the second motor 51 through the control system, and the second motor 51 starts operating. Since the second motor 51 is connected to the connecting shaft 44 of the guide fluid 4, the rotational motion of the motor is transmitted to the connecting shaft 44 through the transmission components, thereby driving the guide fluid 4 to perform pitch motion around the connecting shaft 44, achieving adjustment of the pitch angle of the guide fluid 4. Precise control is required for the angle adjustment of the guide fluid 4. The deceleration function of the second motor 51 can convert the high-speed rotation of the motor into a low-speed rotation, making the rotation of the guide fluid 4 smoother and slower, facilitating precise angle adjustment by the operator.

[0055] During the rotation of the guide fluid 4 driven by the second motor 51, the sealing structure 52, located between the guide fluid 4 and the inner wall of the pot body 1, and between the inner wall of the pot body 1 and the connecting shaft 44, plays a crucial role. The sealing structure 52 can tightly fit the contact surface, effectively preventing the chemical fiber material in the accommodating cavity 11 from leaking out through the gap between the guide fluid 4 and the inner wall of the pot body 1, and through the connection between the connecting shaft 44 and the pot body 1. At the same time, it can also prevent external dust, moisture, and other impurities from entering the accommodating cavity 11, ensuring the cleanliness and normal operation of the pellet mill and ensuring the stability of the material processing environment.

[0056] In some embodiments, the connecting shaft 44 can be rotated manually.

[0057] Please see Figure 4In some embodiments, there are multiple guide channels 43, located at different heights within the receiving cavity 11. The number of guide channels 43 can be determined according to actual needs; for example, two, three, four, or five guide channels 43 can be arranged from top to bottom within the receiving cavity 11. Figure 4 Two flow channels 43 are shown.

[0058] Please see Figure 4 In some embodiments, the cross-section of the guide channel 43 in the vertical plane is arc-shaped, with the middle being higher and the two ends being lower.

[0059] In some embodiments, the guide groove 43 may extend along the circumference of the pot body 1, be in the same circumference, and be in an arc shape.

[0060] In some embodiments, the pelletizer also includes a liquid level sensor located within the accommodating cavity 11 and mounted on the inner wall of the pot body 1. The liquid level sensor can monitor the liquid level height within the accommodating cavity 11. Different types of sensors, such as capacitive and ultrasonic sensors, can be used to achieve liquid level monitoring. Furthermore, the operator can precisely adjust the pitch angle of the guide fluid 4 based on the actual monitored liquid level.

[0061] Please see Figure 1 In some embodiments, the pelletizer also includes a temperature sensor 6 located within the accommodating cavity 11 and disposed on the inner side wall of the pot body 1. The temperature sensor 6 is used to measure the temperature inside the pot body 1 to ensure that the chemical fiber material is granulated within a suitable temperature range.

[0062] Please see Figure 5 In some embodiments, the pelletizer further includes a pot lid 2 and a water spraying device 7; the upper end of the accommodating cavity 11 has an opening 12, and the pot lid 2 is placed over the opening 12; the water spraying device 7 is disposed on the pot lid 2 and is used to spray water into the accommodating cavity 11. The water spraying device 7 sprays an appropriate amount of water into the pot body 1 at appropriate times, especially spraying it into the center of the pot body 1, so that the temperature of the material inside the pot and the cooling of the material cause the plasticized chemical fiber material that has been plasticized by frictional heat shrinkage to soften and harden, promoting the formation of pellets.

[0063] Please see Figure 5 In some embodiments, the water spraying device 7 includes a nozzle 71 and a water pipe 72. The nozzle 71 is provided on the inner side of the pot lid 2. The outlet of the nozzle 71 can be aligned with the center of the moving blade plate 31. The pot lid 2 is also provided with a hole for the water inlet of the nozzle 71 to extend out. The water inlet of the nozzle 71 is connected to the water pipe 72. The nozzle 71 is provided with a valve 73. The water pipe 72 is also connected in series with a water pump.

[0064] In some embodiments, the pelletizer further includes a controller, and the first motor, the second motor 51, the liquid level sensor, the temperature sensor 6, the valve 73, and the water pump are respectively connected to the controller. The controller controls the first motor, the second motor 51, the liquid level sensor, the temperature sensor 6, the valve 73, and the water pump to operate the blade device 3, the flow guiding device, the liquid level sensor, the temperature sensor 6, and the water spraying device 7.

[0065] Finally, it should be noted that although the above embodiments have been described in the text and drawings of this application, this should not limit the scope of patent protection of this application. Any technical solutions that are based on the essential concept of this application and utilize the content described in the text and drawings of this application, resulting in equivalent structural or procedural substitutions or modifications, as well as the direct or indirect application of the technical solutions of the above embodiments to other related technical fields, are all included within the scope of patent protection of this application.

Claims

1. A pelletizing machine, characterized in that, Includes: pot body, blade assembly, and flow guide device; The interior of the pot body is provided with a accommodating cavity for accommodating the blade device and the chemical fiber material; The blade assembly includes a movable blade disc, a first motor, and a fixed blade. The movable blade disc is centrally located at the bottom of the receiving cavity. The first motor is located below the receiving cavity, and its output shaft is connected to the movable blade disc for transmission. The movable blade disc is provided with multiple movable blades, and the fixed blade is located in the receiving cavity and on one side of the movable blade disc. The flow guiding device includes a flow guiding fluid located within the accommodating cavity and disposed on the inner wall of the pot body, extending circumferentially along the pot body. The side of the flow guiding fluid away from the inner wall of the pot body is triangular or trapezoidal, and has an upper inclined surface and a lower inclined surface in the vertical direction. A flow guiding groove is provided on the lower inclined surface. The flow guiding device also includes an angle adjustment mechanism; The angle adjustment mechanism is located outside the accommodating cavity, passes through the pot body and is connected to the guide fluid, and is used to adjust the pitch angle of the guide fluid.

2. The pelletizer according to claim 1, characterized in that: The angle adjustment mechanism includes a second motor and a sealing structure; The guide fluid is provided with a connecting shaft on the side near the inner wall of the pot, and the connecting shaft is arranged in parallel. The second motor is located outside the accommodating cavity and is connected to the connecting shaft for driving, and is used to adjust the pitch angle of the guide fluid. The sealing structure is provided between the guide fluid and the inner wall of the pot, and between the inner wall of the pot and the connecting shaft.

3. The pelletizer according to claim 1, characterized in that: There are multiple guide channels, and the multiple guide channels are located at different heights in the accommodating cavity.

4. The pelletizer according to claim 1, characterized in that: The cross-section of the guide channel in the vertical plane is arc-shaped, with the middle being higher and the two ends being lower.

5. The pelletizer according to claim 1, characterized in that: It also includes a liquid level sensor, which is located inside the accommodating cavity and disposed on the inner side wall of the pot body.

6. The pelletizer according to claim 1, characterized in that: It also includes a temperature sensor, located inside the accommodating cavity and disposed on the inner side wall of the pot body.

7. The pelletizer according to claim 1, characterized in that: It also includes a pot lid and a water spray device; The upper end of the accommodating cavity has an opening, and the pot lid is placed over the opening; The water spraying device is located on the pot lid and is used to spray water into the accommodating cavity.

Images