Feeding device of granulator

By designing a feeding device in a pelletizer, fixing the plastic strips with screws and extrusion plates, and drying the plastic strips with a constant temperature heating device, the problems of shaking and offset of the plastic strips are solved, and the pelletizing accuracy and efficiency are improved.

CN222135169UActive Publication Date: 2024-12-10上海昱茗科技有限公司
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Patent Information

Application Number
CN202420693662.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-07
Publication Date
2024-12-10
Estimated Expiration
2034-04-07

AI Technical Summary

Technical Problem

In pelletizers, the plastic strips lack fixation during cooling and transport, resulting in shaking and offset, reducing pelletizing accuracy and efficiency.

Method used

A feeding device is designed, including processing conveyor table, protective shell, fixing plate, motor, screw rod, extrusion plate and constant temperature heating device, and the push rod and extrusion plate are driven to slide the plastic strips through the screw, and through the through holes Hot dry with the fan blades to ensure the stability of the plastic strips during the pelletization process.

Benefits of technology

It effectively reduces the shaking and offset of plastic strips during the pelletizing process, improves the pelletizing accuracy and efficiency, and reduces the impact of moisture on the pelletizing operation through drying treatment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of granulator, and particularly relates to a feeding device of a granulator, which comprises a processing conveying table. A protective shell is fixedly connected to the top of the machining conveying table. The two ends of the protective shell are fixedly connected with a first fixing plate and a second fixing plate. The end part of the first fixing plate is fixedly connected with a first motor; the output end of the first motor is fixedly connected with a lead screw, and the other end of the lead screw is rotationally connected into the second fixing plate. The lead screw is connected with the electric push rod through a lead screw nut pair. A sliding block is opened to drive a first extrusion plate to slide towards the bottom, so that the first extrusion plate covers the top of a second extrusion plate for extrusion and fixation, then the first extrusion plate drives the second extrusion plate to slide towards the side end when moving, and then a plastic strip is driven to move to the bottom of a granulator body for granulation work, so that the number of plastic strips in the granulation process is reduced; and the plastic strip shakes and deviates.
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Description

Technical Field

[0001] The utility model belongs to the technical field of pelletizers, in particular to a feeding device of a pelletizer. Background Art

[0002] Plastic pelletizer can cut waste plastic film, woven bags, agricultural bags, basins, barrels, beverage bottles, furniture, daily necessities, etc. into small particles. These particles can be used to produce new plastic products, thereby realizing the recycling of waste plastics. By cutting waste plastics into small particles, their volume can be reduced, thereby reducing the space occupied and facilitating storage and transportation.

[0003] In the pelletizing process of the pelletizer, the plastic products are first crushed by a crusher, and then the broken plastic pieces are heated and melted by a screw extruder, and extruded through the die head. The extrudate obtained is in the form of long strips, and then the strip plastic is cooled. Finally, the strip plastic is directly transported to the pelletizer, pelletized by the pelletizer, and pellets are obtained for subsequent processing and utilization.

[0004] In the current prior art, during the pelletizing process of the pelletizer, as the plastic strips are extruded from the screw extruder and cooled, the plastic strips are conveyed to the bottom of the pelletizer through a conveying device, and the pelletizer is opened to perform pelletizing. As the plastic strips are not fixed, the pressure generated during the pelletizing process squeezes the ends of the plastic strips, causing the tail of the plastic strips to shake and deviate, thereby reducing the pelletizing accuracy and efficiency of the pelletizer. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one problem raised in the background technology, a feeding device for a pelletizer is proposed.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a feeding device of a pelletizer described in the utility model comprises a processing and conveying platform; a protective shell is fixedly connected to the top of the processing and conveying platform; a first fixed plate and a second fixed plate are fixedly connected to both ends of the protective shell; a first motor is fixedly connected to the end of the first fixed plate; a screw rod is fixedly connected to the output end of the first motor, and the other end of the screw rod is rotatably connected to the inside of the second fixed plate; the screw rod and the electric push rod are connected by a screw nut pair; the end of the first fixed plate is fixedly connected to a limiting column, and the other end of the limiting column is fixedly connected to the end of the second fixed plate and passes through the inside of the electric push rod; a slider is fixedly connected to the bottom of the electric push rod; the bottom of the slider is fixedly connected to the first extrusion plate; the top of the processing and conveying platform is slidably connected to the second extrusion plate, and is located at the bottom of the first extrusion plate; a pelletizer body is installed on the top of the processing and conveying platform.

[0007] Preferably, a through hole is formed on the top of the protective shell; a constant temperature heating device is fixedly connected to the top of the through hole.

[0008] Preferably, a second motor is fixedly connected to the top of the constant temperature heating device; a rotating shaft is fixedly connected to the output end of the second motor; and a plurality of fan blades are fixedly connected to the end of the rotating shaft.

[0009] Preferably, a support rod is fixedly connected to the top of the fan blade; a support plate is fixedly connected to the top of the support rod; and a cleaning brush is fixedly connected to the top of the support plate, and a plurality of cleaning brushes are provided.

[0010] Preferably, a metal ring is fixedly connected to the end of the cleaning brush; and a plurality of spring sheets are fixedly connected to the end of the metal ring.

[0011] Preferably, a guide plate is fixedly connected to the side end of the pelletizer body; a cleaning roller is rotatably connected to the end of the guide plate; and a plurality of supporting legs are fixedly connected to the bottom of the processing and conveying platform.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The feeding device of a pelletizer described in the utility model places the plastic strip on the surface of the second extrusion plate, and then turns on the first motor to drive the screw to rotate, so that when the screw rotates, the electric push rod and the slider are driven to slide to the side end through the screw nut pair, and when sliding, the first extrusion plate is driven to slide to the bottom by opening the slider, so that the first extrusion plate covers the top of the second extrusion plate for extrusion and fixing, and then when the first extrusion plate moves, it drives the second extrusion plate to slide to the side end, and then drives the plastic strip to move to the bottom of the pelletizer body to perform pelletizing, so as to reduce the problem of shaking and deviation of the plastic strip during the pelletizing process.

[0014] 2. The feeding device of a pelletizer described in the utility model has a through hole opened on the top of the processing conveying table and a constant temperature heating device installed. The constant temperature heating device is turned on to generate heat, and then the heat is circulated to the bottom through the through hole to dry the surface of the plastic strip, thereby reducing the residual moisture on the surface during the cooling process, which affects the subsequent pelletizing operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model will be further described below in conjunction with the accompanying drawings.

[0016] Figure 1 It is a stereogram in the utility model;

[0017] Figure 2 It is a cross-sectional view of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the fan blades in the utility model;

[0019] Figure 4 yes Figure 3 Enlarged view of point A in the middle.

[0020] Legend:

[0021] 1. Processing conveyor table; 21. Protective shell; 22. First fixed plate; 23. First motor; 24. Second fixed plate; 25. Screw; 26. Limit column; 27. Slider; 271. Electric push rod; 28. First extrusion plate; 29. ​​Second extrusion plate; 31. Pelletizer body; 32. Guide plate; 33. Cleaning roller; 41. Through hole; 42. Second motor; 43. Rotating shaft; 44. Fan blade; 45. Constant temperature heating device; 51. Support rod; 52. Support plate; 53. Cleaning brush; 54. Metal ring; 55. Shrapnel; 6. Support leg. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Specific examples are given below.

[0024] like Figures 1 to 4As shown, a feeding device of a pelletizer described in an embodiment of the utility model comprises a processing and conveying platform 1; a protective shell 21 is fixedly connected to the top of the processing and conveying platform 1; a first fixed plate 22 and a second fixed plate 24 are fixedly connected to both ends of the protective shell 21; a first motor 23 is fixedly connected to the end of the first fixed plate 22; a screw rod 25 is fixedly connected to the output end of the first motor 23, and the other end of the screw rod 25 is rotatably connected to the inside of the second fixed plate 24; the screw rod 25 is connected to an electric push rod 271 through a screw nut pair; a limiting column 26 is fixedly connected to the end of the first fixed plate 22, and the other end of the limiting column 26 is fixedly connected to the end of the second fixed plate 24 and passes through the inside of the electric push rod 271; a slider 27 is fixedly connected to the bottom of the electric push rod 271; a first extrusion plate 28 is fixedly connected to the bottom of the slider 27; A second extrusion plate 29 is slidably connected to the top and is located at the bottom of the first extrusion plate 28; a pelletizer body 31 is installed on the top of the processing conveyor table 1; during operation, when the plastic strips need to be pelletized, the plastic strips are placed on the surface of the second extrusion plate 29, and then the first motor 23 is turned on to drive the screw 25 to rotate, so that when the screw 25 rotates, the electric push rod 271 and the slider 27 are driven to slide to the side end through the screw nut pair. When sliding, the first extrusion plate 28 is driven to slide to the bottom by opening the slider 27, so that the first extrusion plate 28 covers the top of the second extrusion plate 29 for extrusion and fixing, and then when the first extrusion plate 28 moves, it drives the second extrusion plate 29 to slide to the side end, and then drives the plastic strips to move to the bottom of the pelletizer body 31 for pelletizing, so as to reduce the problem of shaking and deviation of the plastic strips during the pelletizing process.

[0025] Further, such as Figure 3-Figure 4 As shown, a through hole 41 is opened at the top of the protective shell 21; a constant temperature heating device 45 is fixedly connected to the top of the through hole 41; when working, by opening a through hole 41 and installing a constant temperature heating device 45 on the top of the processing conveying table 1, heat is generated by turning on the constant temperature heating device 45, and then the heat is circulated to the bottom through the through hole 41 to dry the surface of the plastic strip, thereby reducing the residual moisture on the surface during the cooling process, which affects the subsequent pelletizing operation.

[0026] Further, such as Figure 3-Figure 4 As shown, a second motor 42 is fixedly connected to the top of the constant temperature heating device 45; a rotating shaft 43 is fixedly connected to the output end of the second motor 42; a fan blade 44 is fixedly connected to the end of the rotating shaft 43, and a plurality of fan blades 44 are provided; when working, the rotating shaft 43 is driven to rotate by turning on the second motor 42, so that the rotating shaft 43 rotates and drives the fan blades 44 to rotate, so that the fan blades 44 blow the heat to the bottom on the surface of the plastic strip, thereby achieving a quick drying effect.

[0027] Further, such as Figure 3-Figure 4As shown, a support rod 51 is fixedly connected to the top of the fan blade 44; a support plate 52 is fixedly connected to the top of the support rod 51; a cleaning brush 53 is fixedly connected to the top of the support plate 52, and a plurality of cleaning brushes 53 are provided; when working, the support rod 51, the support plate 52 and the cleaning brush 53 are installed on the top of the fan blade 44, so that when the fan blade 44 rotates, the support rod 51, the support plate 52 and the cleaning brush 53 are driven to rotate, so as to clean the bottom of the constant temperature heating device 45, reduce the accumulation of dust and impurities, and reduce the heat generated by the constant temperature heating device 45.

[0028] Further, such as Figure 3-Figure 4 As shown, a metal ring 54 is fixedly connected to the end of the cleaning brush 53; a plurality of spring sheets 55 are fixedly connected to the end of the metal ring 54; when working, the metal ring 54 is installed at the end of the cleaning brush 53 to restrain the cleaning brush 53, thereby reducing the problem of entanglement during subsequent rotation; and the spring sheets 55 are installed to space the metal ring 54 and the cleaning brush 53, thereby increasing the cleaning area of ​​the cleaning brush 53.

[0029] Further, such as Figure 1-Figure 2 As shown, a guide plate 32 is fixedly connected to the side end of the pelletizer body 31; the end of the guide plate 32 is rotatably connected to a cleaning roller 33; during operation, when the plastic strip is moving, it adheres to the surface of the cleaning roller 33, so that the cleaning roller 33 cleans the surface of the plastic strip, thereby reducing impurities adhering to the surface and affecting the subsequent pelletizing effect.

[0030] Further, such as Figure 1-Figure 2 As shown, the bottom of the processing and conveying platform 1 is fixedly connected with a plurality of supporting legs 6; during operation, the supporting legs 6 are installed at the bottom of the processing and conveying platform 1 to improve the overall stability of the processing and conveying platform 1.

[0031] Working principle: When the plastic strip needs to be pelletized, the plastic strip is placed on the surface of the second extrusion plate 29, and then the first motor 23 is turned on to drive the screw 25 to rotate. When the screw 25 rotates, the electric push rod 271 and the slider 27 are driven to slide to the side end through the screw nut pair. When sliding, the first extrusion plate 28 is driven to slide to the bottom by opening the slider 27, so that the first extrusion plate 28 covers the top of the second extrusion plate 29 for extrusion and fixing. Then, when the first extrusion plate 28 moves, it drives the second extrusion plate 29 to slide to the side. The plastic strip is moved to the bottom of the pelletizer body 31 by sliding the end of the processing conveyor 1, and then the plastic strip is driven to move to the bottom of the pelletizer body 31 for pelletizing, thereby reducing the problem of shaking and deviation of the plastic strip during the pelletizing process; a through hole 41 is opened on the top of the processing conveyor 1 and a constant temperature heating device 45 is installed, and heat is generated by turning on the constant temperature heating device 45, and then the heat is circulated to the bottom through the through hole 41 to dry the surface of the plastic strip, thereby reducing the residual moisture on the surface during the cooling process, which affects the subsequent pelletizing operation; the second motor 42 is turned on to drive the rotating shaft 43 to The fan blades 44 are rotated so that the rotating shaft 43 rotates and the fan blades 44 are driven to rotate, so that the fan blades 44 blow the heat to the bottom on the surface of the plastic strip to achieve the effect of rapid drying; by installing a support rod 51, a support plate 52 and a cleaning brush 53 on the top of the fan blade 44, the fan blade 44 rotates and drives the support rod 51, the support plate 52 and the cleaning brush 53 to rotate, so as to clean the bottom of the constant temperature heating device 45, reduce the accumulation of dust and impurities, and reduce the heat generated by the constant temperature heating device 45; by installing a metal The ring 54 is used to restrain the cleaning brush 53, thereby reducing the problem of entanglement during subsequent rotation. The spring piece 55 is installed to space the metal ring 54 and the cleaning brush 53, thereby increasing the cleaning area of ​​the cleaning brush 53. When the plastic strip is moving, it is attached to the surface of the cleaning roller 33, so that the cleaning roller 33 cleans the surface of the plastic strip, thereby reducing impurities adhering to the surface and affecting the subsequent pelletizing effect. Support legs 6 are installed at the bottom of the processing and conveying platform 1 to improve the overall stability of the processing and conveying platform 1.

[0032] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A feeding device for a pelletizer, comprising a processing and conveying platform (1); a protective shell (21) is fixedly connected to the top of the processing and conveying platform (1); a first fixing plate (22) and a second fixing plate (24) are fixedly connected to both ends of the protective shell (21); a first motor (23) is fixedly connected to the end of the first fixing plate (22); characterized in that: The output end of the first motor (23) is fixedly connected to a screw rod (25), and the other end of the screw rod (25) is rotatably connected to the inside of the second fixed plate (24); the screw rod (25) is connected to the electric push rod (271) through a screw nut pair; the end of the first fixed plate (22) is fixedly connected to a limiting column (26), and the other end of the limiting column (26) is fixedly connected to the end of the second fixed plate (24) and passes through the inside of the electric push rod (271); the bottom of the electric push rod (271) is fixedly connected to a slider (27); the bottom of the slider (27) is fixedly connected to a first extrusion plate (28); the top of the processing and conveying platform (1) is slidably connected to a second extrusion plate (29) and is located at the bottom of the first extrusion plate (28); the top of the processing and conveying platform (1) is equipped with a pelletizer body (31).

2. A feeding device for a pelletizer according to claim 1, characterized in that: A through hole (41) is provided on the top of the protective shell (21); a constant temperature heating device (45) is fixedly connected to the top of the through hole (41).

3. A feeding device for a pelletizer according to claim 2, characterized in that: A second motor (42) is fixedly connected to the top of the constant temperature heating device (45); a rotating shaft (43) is fixedly connected to the output end of the second motor (42); and a plurality of fan blades (44) are fixedly connected to the end of the rotating shaft (43).

4. A feeding device for a pelletizer according to claim 3, characterized in that: The top of the fan blade (44) is fixedly connected to a support rod (51); the top of the support rod (51) is fixedly connected to a support plate (52); the top of the support plate (52) is fixedly connected to a cleaning brush (53), and a plurality of cleaning brushes (53) are provided.

5. A feeding device for a pelletizer according to claim 4, characterized in that: The end of the cleaning brush (53) is fixedly connected to a metal ring (54); the end of the metal ring (54) is fixedly connected to a plurality of spring sheets (55).

6. A feeding device for a pelletizer according to claim 1, characterized in that: A guide plate (32) is fixedly connected to the side end of the pelletizer body (31); and a cleaning roller (33) is rotatably connected to the end of the guide plate (32).

7. The feeding device of a pelletizer according to claim 1, characterized in that: The bottom of the processing and conveying platform (1) is fixedly connected with a plurality of supporting legs (6).