Automatic feeding and discharging granulator for fluorinated ethylene propylene

Abstract

The automatic feeding and discharging granulator comprises a base and a vertical frame, a water tank is fixed to the inner bottom wall of the base, a water pump is fixed to one side of the water tank, a cooling fan is fixed to the inner wall of one side of the base, a radiator is fixed to the inner side of the cooling fan, and a cooling fan is fixed to the inner side of the radiator. An air inlet is formed in the bottom end of the inner wall of the side, away from the cooling fan, of the base, the vertical frame is fixed to the top end of the base, a hot melting barrel is fixed to the inner side of the top end of the vertical frame, and an extrusion mold is fixed to the bottom end of the hot melting barrel. Compared with an existing pelletizer, the automatic feeding and discharging pelletizer for FEP is provided with the extrusion cooling mechanism, extruded strip-shaped materials can be rapidly cooled, and therefore the situation that the extruded strip-shaped materials adhere to the cutting mechanism or adhere to each other is avoided, the percent of pass of the pelletizer is improved, meanwhile, the automatic feeding and discharging pelletizer is provided with the automatic feeding and discharging mechanism, and the production efficiency is improved. And the materials do not need to be manually poured, added and collected, and convenience of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic granule preparation, in particular to an automatic loading and unloading granulator for polyperfluoroethylene propylene. Background Art

[0002] Polyfluoroethylene, also known as polytetrafluoroethylene, commonly known as the "king of plastics", is an artificial synthetic polymer material that uses fluorine to replace all hydrogen atoms in polyethylene. It is generally called "non-stick coating" or "easy-to-clean material". This material is resistant to acids and alkalis and various organic solvents. It is widely used in the wrapping and protection of high-voltage wires and extremely fine electronic wires of new energy vehicles. In the production process of polyfluoroethylene, a granulator is often required to process polytetrafluoroethylene into granules for easy transportation and subsequent processing.

[0003] The publication number authorized by China is CN219404942U, and the patent is named a plastic pelletizer for manufacturing plastic pellets. The device includes two support plates and a hot melt cylinder, the top of the support plate is fixedly connected with a fixed frame, the top inner wall of the fixed frame is provided with a driving motor, the output shaft of the driving motor is fixedly connected with a rotating shaft, the outer fixed sleeve of the rotating shaft is provided with a first bevel gear, and a side array of the rotating shaft extending into the hot melt cylinder is provided with multiple stirring rods, the bottom end of the rotating shaft is fixedly connected with a spiral auger, and an extrusion cover fixedly connected to the bottom of the hot melt cylinder is provided below the spiral auger, and a cutting frame is provided below the extrusion cover, and fixed plates are fixedly connected on both sides of the cutting frame, and a guide rod is provided inside the fixed plate located at the back, and the guide rod is fixedly connected to the support plate. The utility model realizes stirring, extrusion feeding and cutting at the same time through a single motor, and uses multiple cutting edges for cutting when cutting, thereby reducing the wear of a single cutting edge.

[0004] Although the above device can reduce the wear of a single cutting edge, there are still some problems when using the device:

[0005] 1. The device does not have a cooling mechanism for the extruded material. The extruded material is at a high temperature and can be easily cut before it is completely solidified, causing it to adhere to the cutting tool or to stick to each other.

[0006] 2. The device does not have an automatic loading and unloading mechanism, and it needs manpower to use a container to pour raw materials into the hot melt barrel when it is working, resulting in a waste of manpower.

[0007] In view of the above situation, technical innovation is carried out on the basis of the existing granulator. Utility Model Content

[0008] The utility model aims to provide an automatic loading and unloading granulator for polyperfluoroethylene propylene to solve the problems raised in the above-mentioned background technology.

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic loading and unloading granulator of polyperfluoroethylene propylene, comprising a base and a stand, a water tank is fixed to the inner bottom wall of the base, and a water pump is fixed to one side of the water tank, a cooling fan is fixed to the inner wall of one side of the base, and a radiator is fixed to the inner side of the cooling fan, an air inlet is arranged at the bottom end of the inner wall of the base away from the cooling fan, the stand is fixed to the top end of the base, and a hot melt cylinder is fixed to the inner side of the top end of the stand, an extrusion die is fixed to the bottom end of the hot melt cylinder, and a heat insulation sheet is fixed to the bottom end of the extrusion die, a water cooling plate is fixed to the bottom end of the heat insulation sheet, a fixing frame is welded to the inner bottom end of the inner side of the stand, and a motor is fixed to the inner side of the fixing frame, and a cutting knife is fixed to the top end of the motor.

[0010] Furthermore, a lower hopper is fixed on the inner top wall of the base, and the lower hopper is made of stainless steel.

[0011] Furthermore, a wind-proof discharger is fixed to the top of the hot melt cylinder, and a vacuum suction tank is fixed to the top of the wind-proof discharger.

[0012] Furthermore, a vacuum fan is fixed on one side of the vacuum suction tank, and an electronic valve is fixed on a side of the vacuum suction tank away from the vacuum fan.

[0013] Furthermore, a feeding pipe is fixed to one end of the electronic valve away from the vacuum suction tank, and the feeding pipe is a steel wire hose.

[0014] Furthermore, support components are fixed on both left and right sides of the bottom end of the base, and the support components include support feet and shock-absorbing pads, and the bottom ends of the support feet are bonded with shock-absorbing pads.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the device is provided with an extrusion cooling mechanism, which can quickly cool the extruded strip material, thereby preventing it from sticking to the cutting mechanism or sticking to each other, which is beneficial to improving the qualified rate of the device; at the same time, the device is provided with an automatic loading and unloading mechanism, which does not require manpower to dump, add and collect materials, which is beneficial to improving the convenience of the device.

[0016] 1. The utility model is provided with a water tank, a water pump, a radiator, a cooling fan, an extrusion die, a heat insulating sheet and a water cooling plate. The water tank, the water pump, the radiator and the water cooling plate are connected by a sealed pipeline. The radiator is composed of a serpentine tube and a plurality of heat sinks fixed in parallel to the outside of the serpentine tube. The extrusion die is provided with an extrusion hole. The heat insulating sheet and the water cooling plate are both provided with holes aligned with the extrusion hole of the extrusion die. The heat insulating sheet is made of ceramic material, the water cooling plate is made of stainless steel, and a water cooling cavity is provided inside the water cooling plate. When the device is working, the staff can turn on the water cooling switch, and the water pump can transport the coolant in the water tank to the water cooling plate. The strip hot-melt material extruded by the extrusion die will pass through the heat insulation sheet and the water-cooling plate. When the strip hot-melt material passes through the water-cooling plate, it will be quickly solidified due to the cooling of the water-cooling plate, thereby preventing the material from adhering to the tool due to incomplete cooling during cutting, or sticking to each other after falling. The heated water in the water-cooling plate will flow to the radiator through the pipeline, and the coolant can be cooled by the radiator and the cooling fan. The cooled coolant returns to the water tank through the pipeline to realize circulating water cooling. Through the above structure, the device can quickly cool the extruded strip material, thereby preventing it from sticking to the cutting mechanism or sticking to each other, which is beneficial to improving the qualified rate of the device.

[0017] 2. The utility model is provided with a lower hopper, an air-locking discharger, a vacuum suction tank, a vacuum fan, an electronic valve and a feeding pipe. When the staff uses the device to granulate the material, the suction switch can be turned on and the feeding pipe can be inserted into the raw material container. At this time, the vacuum fan can process the vacuum suction tank to draw a vacuum, and the electronic valve can also be opened, so that a negative pressure is formed at the end of the feeding pipe, and then the powdered material is sucked into the vacuum suction tank. The vacuum suction tank is provided with a material separator, which can separate the air flow from the material. The separated material falls to the air-locking discharger and is transported into the hot melt cylinder through the air-locking discharger, so as to realize automatic unloading. The air-locking discharger can prevent the negative pressure state in the vacuum suction tank from being destroyed during unloading. After the granulation structure such as the hot melt cylinder granulates the material, the particles will fall into the lower hopper and roll down from the discharge port under the action of gravity, so as to realize automatic unloading. Through the above structure, the device does not need manpower to dump, add and collect materials, which is conducive to improving the convenience of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view structural schematic diagram of an automatic loading and unloading granulator for polyperfluoroethylene propylene according to the utility model;

[0019] Figure 2 It is a partial front view and cross-sectional enlarged structural diagram of the base, water tank, water pump, radiator, cooling fan, air inlet, lower hopper and support assembly of a polyperfluoroethylene propylene automatic loading and unloading granulator of the utility model;

[0020] Figure 3The utility model is a schematic diagram of the structure of a hot melt barrel, a closed-air discharger, a vacuum suction tank, a vacuum fan, an electronic valve and a feeding pipe of an automatic loading and unloading granulator of polyperfluoroethylene propylene.

[0021] In the figure: 1. base; 2. water tank; 3. water pump; 4. radiator; 5. cooling fan; 6. air inlet; 7. stand; 8. hot melt cylinder; 9. extrusion die; 10. insulation sheet; 11. water cooling plate; 12. fixing frame; 13. motor; 14. cutting knife; 15. lower hopper; 16. air-locking discharger; 17. vacuum suction tank; 18. vacuum fan; 19. electronic valve; 20. feeding pipe; 21. support assembly; 2101. support foot; 2102. shock-absorbing pad. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1-3 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0023] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0025] like Figure 1 and Figure 2As shown, an automatic loading and unloading granulator for polyperfluoroethylene propylene comprises a base 1 and a stand 7. A water tank 2 is fixed to the inner bottom wall of the base 1, and a water pump 3 is fixed to one side of the water tank 2. A cooling fan 5 is fixed to the inner wall of one side of the base 1, and a radiator 4 is fixed to the inner side of the cooling fan 5. An air inlet 6 is arranged at the bottom end of the inner wall of the side of the base 1 away from the cooling fan 5. The stand 7 is fixed to the top of the base 1, and a hot melt cylinder 8 is fixed to the inner side of the top of the stand 7. An extrusion die 9 is fixed to the bottom end of the hot melt cylinder 8, and an extrusion die 9 is fixed to the bottom end of the hot melt cylinder 8. A heat insulating sheet 10 is fixed to the bottom end of the die 9, a water cooling plate 11 is fixed to the bottom end of the heat insulating sheet 10, a fixing frame 12 is welded to the inner bottom end of the stand 7, a motor 13 is fixed to the inner side of the fixing frame 12, a cutting knife 14 is fixed to the top of the motor 13, the water tank 2, the water pump 3, the radiator 4 and the water cooling plate 11 are connected by a sealed pipeline, the radiator 4 is composed of a serpentine tube and a plurality of radiating fins fixed in parallel to the outside of the serpentine tube, an extrusion hole is provided on the extrusion die 9, and the heat insulating sheet 10 and the water cooling plate 11 are connected to each other. The heat insulating sheet 10 is made of ceramic material, the water cooling plate 11 is made of stainless steel, and a water cooling cavity is arranged inside the water cooling plate 11. When the device is working, the staff can turn on the water cooling switch. At this time, the water pump 3 can transport the coolant in the water tank 2 to the water cooling plate 11. The strip hot melt material extruded by the extrusion die 9 will pass through the heat insulating sheet 10 and the water cooling plate 11. When the strip hot melt material passes through the water cooling plate 11, it will be cooled quickly by the water cooling plate 11. Rapid solidification, thereby preventing the material from being adhered to the cutter due to incomplete cooling during cutting, or from sticking to each other after falling. The heated water in the water-cooling plate 11 will flow to the radiator 4 through the pipeline. The coolant can be cooled by the radiator 4 and the cooling fan 5. The cooled coolant returns to the water tank 2 through the pipeline to achieve circulating water cooling. Through the above structure, the device can quickly cool the extruded strip material, thereby preventing it from sticking to the cutting mechanism or sticking to each other, which is beneficial to improving the qualified rate of the device.

[0026] like Figure 1-3As shown, a lower hopper 15 is fixed to the inner top wall of the base 1, and the lower hopper 15 is made of stainless steel, a wind-proof discharger 16 is fixed to the top of the hot melt tube 8, and a vacuum suction tank 17 is fixed to the top of the wind-proof discharger 16, a vacuum fan 18 is fixed to one side of the vacuum suction tank 17, and an electronic valve 19 is fixed to the side of the vacuum suction tank 17 away from the vacuum fan 18, a feeding pipe 20 is fixed to the end of the electronic valve 19 away from the vacuum suction tank 17, and the feeding pipe 20 is a steel wire hose, support components 21 are fixed to the left and right sides of the bottom end of the base 1, and the support component 21 includes a support foot 2101 and a shock-absorbing pad 2102, and the bottom end of the support foot 2101 is bonded with a shock-absorbing pad 2102, when the staff uses the device to granulate the material, the suction switch can be turned on, and the feeding pipe 20 is inserted into the raw material container At this time, the vacuum fan 18 will process the vacuum suction tank 17 to draw a vacuum, and the electronic valve 19 will also open, so that negative pressure is formed at the end of the feeding pipe 20, and the powdered material is sucked into the vacuum suction tank 17. The vacuum suction tank 17 is provided with a material separator, which can separate the airflow from the material. The separated material falls to the air-locking discharger 16, and is transported into the hot melt tube 8 through the air-locking discharger 16, so as to realize automatic unloading. The air-locking discharger 16 can prevent the negative pressure state in the vacuum suction tank 17 from being destroyed during unloading. After the granulation structure such as the hot melt tube 8 granulates the material, the particles will fall into the unloading hopper 15 and roll down from the discharge port under the action of gravity, so as to realize automatic unloading. Through the above structure, the device does not need manpower to dump, add and collect materials, which is conducive to improving the convenience of the device.

[0027] In summary: when using the automatic loading and unloading granulator of polyperfluoroethylene, firstly, a feeding and pressing structure and a heating structure are provided in the hot melt cylinder 8. The feeding and pressing structure can be an auger structure. After the extraction structure sucks the powdered polyperfluoroethylene raw material into the hot melt cylinder 8, the hot melt cylinder 8 can heat and extrude it, so that the polyperfluoroethylene powder becomes a high-temperature molten material. The high-temperature molten material is extruded from the extrusion die 9 into several strands of molten material. The molten material can solidify into a solid strip material when passing through the water cooling plate 11. The motor 13 can drive the cutting knife 14 to rotate, so as to continuously cut the extruded strip material into granules to realize material granulation. In this process, the heat insulation sheet 10 It can effectively prevent the heat of the hot melt tube 8 from being transferred to the water cooling plate 11 or the water cooling plate 11 from cooling the hot melt tube 8. The water tank 2, the water pump 3, the radiator 4 and the water cooling plate 11 are connected by a sealed pipeline. The radiator 4 is composed of a serpentine tube and a plurality of heat sinks fixed in parallel to the outside of the serpentine tube. An extrusion hole is provided on the extrusion die 9. The heat insulation sheet 10 and the water cooling plate 11 are both provided with holes aligned with the extrusion hole of the extrusion die 9. The heat insulation sheet 10 is made of ceramic material, the water cooling plate 11 is made of stainless steel, and a water cooling cavity is provided inside the water cooling plate 11. When the device is working, the staff can turn on the water cooling switch. At this time, the water pump 3 can transport the coolant in the water tank 2 to the water cooling plate 11. The strip hot melt material extruded by tool 9 will pass through the heat insulation sheet 10 and the water cooling plate 11. When the strip hot melt material passes through the water cooling plate 11, it will be quickly solidified by the cooling of the water cooling plate 11, so as to avoid the material from being not completely cooled and adhering to the tool during cutting, or sticking to each other after falling. The heated water in the water cooling plate 11 will flow to the radiator 4 through the pipeline. The coolant can be cooled by the radiator 4 and the cooling fan 5. The cooled coolant returns to the water tank 2 through the pipeline to realize circulating water cooling. When the staff uses the device to granulate the material, they can turn on the suction switch and insert the feeding pipe 20 into the raw material container. At this time, the vacuum fan 18 will process the vacuum suction tank 17 to draw a vacuum, and the electronic valve 19 will also open, so that negative pressure is formed at the end of the feeding pipe 20, and the powdered material is sucked into the vacuum suction tank 17. The vacuum suction tank 17 is provided with a material separator, which can separate the airflow from the material. The separated material falls to the air-locking discharger 16, and is transported into the hot melt tube 8 through the air-locking discharger 16, so as to realize automatic unloading. The air-locking discharger 16 can prevent the negative pressure state in the vacuum suction tank 17 from being destroyed during unloading. After the granulation structure such as the hot melt tube 8 granulates the material, the particles will fall into the unloading hopper 15 and roll down from the discharge port under the action of gravity, so as to realize automatic unloading. This is the working principle of the automatic loading and unloading granulator of polyperfluoroethylene propylene.

[0028] The above are only preferred embodiments of the utility model, and do not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings and above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. An automatic loading and unloading granulator for polyperfluoroethylene propylene, comprising a base (1) and a stand (7), characterized in that: A water tank (2) is fixed to the inner bottom wall of the base (1), and a water pump (3) is fixed to one side of the water tank (2); a cooling fan (5) is fixed to the inner wall of one side of the base (1), and a radiator (4) is fixed to the inner side of the cooling fan (5); an air inlet (6) is arranged at the bottom end of the inner wall of the side of the base (1) away from the cooling fan (5); the stand (7) is fixed to the top of the base (1), and a hot melt cylinder (8) is fixed to the inner side of the top of the stand (7); an extrusion die (9) is fixed to the bottom end of the hot melt cylinder (8), and a heat insulation sheet (10) is fixed to the bottom end of the extrusion die (9); a water cooling plate (11) is fixed to the bottom end of the heat insulation sheet (10); a fixing frame (12) is welded to the inner bottom end of the stand (7), and a motor (13) is fixed to the inner side of the fixing frame (12); a cutting knife (14) is fixed to the top of the motor (13).

2. The automatic loading and unloading granulator of polyperfluoroethylene propylene according to claim 1, characterized in that: A lower hopper (15) is fixed to the inner top wall of the base (1), and the lower hopper (15) is made of stainless steel.

3. The automatic loading and unloading granulator of polyperfluoroethylene propylene according to claim 1, characterized in that: A wind-tight discharger (16) is fixed to the top of the hot melt cylinder (8), and a vacuum suction tank (17) is fixed to the top of the wind-tight discharger (16).

4. The automatic loading and unloading granulator of polyperfluoroethylene propylene according to claim 3, characterized in that: A vacuum fan (18) is fixed to one side of the vacuum suction tank (17), and an electronic valve (19) is fixed to the side of the vacuum suction tank (17) away from the vacuum fan (18).

5. The automatic loading and unloading granulator of polyperfluoroethylene propylene according to claim 4, characterized in that: A feeding pipe (20) is fixed to one end of the electronic valve (19) away from the vacuum suction tank (17), and the feeding pipe (20) is a steel wire hose.

6. The automatic loading and unloading granulator of polyperfluoroethylene propylene according to claim 1, characterized in that: Support components (21) are fixed on both left and right sides of the bottom end of the base (1), and the support component (21) comprises a support foot (2101) and a shock-absorbing pad (2102), and the shock-absorbing pad (2102) is bonded to the bottom end of the support foot (2101).

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