Fluidized drying bed for processing plastic products
By introducing the technology of sieve plate vibration and stirring rod rotation in the fluidized drying bed, the problem of plastic particles being easily piled up and drying incompletely during the drying process is solved, and more uniform heating and more thorough drying is achieved, and the quality of plastic products is improved.
Patent Information
- Application Number
- CN202421636296.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-07-11
AI Technical Summary
When the existing fluidized drying bed is in use, plastic particles are continuously transported to the drying bed, resulting in the accumulation of plastic particles, and the problem of incomplete drying is caused.
A fluidized drying bed for plastic products processing was designed, and the screen plate was vibrated by driving the vibration of the driving plate, and the rotary drum and stirring rod were driven through bevel gears and motor systems to achieve stirring and indirect discharge of plastic particles to avoid accumulation.
Through the vibration of the screen plate and the rotation of the stirring rod, the heating uniformity of the plastic particles is improved, accumulation and blockage are avoided, and thorough drying is ensured, thereby improving the quality of the plastic products.
Smart Images
Figure CN222972618U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of plastic product processing equipment, in particular to a fluidized drying bed for plastic product processing. Background Art
[0002] Plastic products are items made of various plastic materials. After heating, they can be shaped and maintain a fixed shape after cooling. Therefore, they are widely used in many fields such as packaging, household products, electronic devices, automotive parts, building materials, and medical devices.
[0003] When making existing plastic products, plastic particle raw materials are needed, and a fluidized drying bed is required to dry the plastic particles first to avoid the influence of moisture contained therein on the quality of plastic products.
[0004] However, when the existing fluidized drying bed is in use, plastic particles are continuously conveyed into the interior of the drying bed. Therefore, it is easy to cause excessive accumulation of plastic particles, resulting in incomplete drying. For this reason, a fluidized drying bed for plastic product processing is proposed to solve the above problems. Summary of the Utility Model
[0005] To make up for the above deficiencies, the utility model provides a fluidized drying bed for plastic product processing, aiming to improve the problem in the existing technology that when the existing fluidized drying bed is in use, plastic particles are continuously conveyed into the interior of the drying bed, resulting in incomplete drying after the plastic particles are accumulated.
[0006] To achieve the above object, the utility model adopts the following technical scheme: A fluidized drying bed for plastic product processing, including a machine shell. A support plate is fixedly connected to the inner bottom of the machine shell. A sieve plate is installed on the inner top of the machine shell. An air inlet pipe is fixedly connected to one side of the support plate. An air outlet is opened in the middle of the support plate, and the air inlet pipe is communicated with the air outlet. An air outlet pipe is fixedly connected to the top of the machine shell. A barrel is fixedly connected to one side of the top of the machine shell. A hopper is fixedly connected to one side of the top of the barrel. A rotating cylinder is rotatably connected to the middle of the barrel. A rotating shaft is rotatably connected to the middle of the rotating cylinder. Stirring rods are fixedly connected to the outside of the rotating cylinder. A shoveling plate is fixedly connected to the bottom of the outer wall of the rotating cylinder. A circular plate is fixedly connected to the bottom of the rotating shaft, and the top surface of the circular plate is in contact with the bottom surface of the shoveling plate. First bevel gears are fixedly connected to the top of the rotating cylinder and the top of the rotating shaft respectively, and the two first bevel gears are symmetric to each other. A first motor is fixedly connected to the other side of the top of the barrel. A second bevel gear is fixedly connected to the output end of the first motor, and the top and bottom of the second bevel gear are respectively meshed with the two first bevel gears. A driving component for driving the sieve plate to vibrate is installed inside the machine shell.
[0007] As a further description of the above technical solution:
[0008] The driving assembly includes a second motor, which is fixedly connected to the inner bottom of the casing. The output end of the second motor is fixedly connected to a transmission rod, and an eccentric wheel is fixedly connected to the outer side of the transmission rod. The middle of the bottom surface of the sieve plate is fixedly connected to a bracket, the bracket penetrates through the support plate, and the bottom surface of the bracket is in contact with the outer wall of the eccentric wheel.
[0009] As a further description of the above technical solution:
[0010] One side in the middle of the circular plate, one side at the bottom of the barrel body, and the right side at the top of the casing are all provided with feeding ports, and the three feeding ports are communicated with each other.
[0011] As a further description of the above technical solution:
[0012] A guide plate is installed on the left side of the outer wall of the casing, and a cover shell is fixedly connected to the middle of the top surface of the barrel body, and both the first bevel gear and the second bevel gear are located inside the cover shell.
[0013] As a further description of the above technical solution:
[0014] The outer middle of the bottom surface of the sieve plate is fixedly connected to a sliding rod. The middle of the outer wall of the sliding rod is slidably connected to the middle of the support plate. A spring is sleeved on the bottom of the outer wall of the sliding rod. The bottom of the sliding rod is fixedly connected to a limiting plate, and the diameter of the limiting plate is larger than the diameter of the sliding rod.
[0015] As a further description of the above technical solution:
[0016] A through hole is provided in the middle of the support plate, and both the sliding rod and the bracket are located inside the through hole.
[0017] As a further description of the above technical solution:
[0018] One end of the transmission rod is rotatably connected to a mounting frame, and the mounting frame is fixedly connected to the bottom of the inner wall of the casing.
[0019] As a further description of the above technical solution:
[0020] The horizontal height of the sieve plate on the side close to the guide plate is lower than the horizontal height of the sieve plate on the side close to the barrel body.
[0021] The utility model has the following beneficial effects:
[0022] 1. In the present utility model, by driving the first motor, the second and first bevel gears can be driven to rotate, and the two first bevel gears rotate in opposite directions. At this time, the rotating cylinder can drive the stirring rod to rotate to stir the plastic products to avoid blockage. After the circular plate rotates, the circular plate can be indirectly coincident with the bottom of the barrel, thereby achieving the purpose of indirect feeding and avoiding the phenomenon that excessive feeding leads to the accumulation of plastic particles and affects the drying effect.
[0023] 2. In the present utility model, by driving the second motor, the eccentric wheel can be driven to rotate. At this time, the bracket and the sieve plate can be lifted, and then the sieve plate can move reciprocally along the vertical direction to realize the vibration of the sieve plate, so as to shake the plastic particles loose, improve the uniformity of heat reception, and further improve the drying effect. Description of the Drawings
[0024] Figure 1 It is a three-dimensional structural schematic diagram of a fluidized drying bed for plastic product processing proposed by the present utility model;
[0025] Figure 2 It is a front sectional view of the casing of a fluidized drying bed for plastic product processing proposed by the present utility model;
[0026] Figure 3 It is a front sectional view of the barrel of a fluidized drying bed for plastic product processing proposed by the present utility model;
[0027] Figure 4 It is a split view of the shaft part structure of a fluidized drying bed for plastic product processing proposed by the present utility model;
[0028] Figure 5 It is a split view of the sieve plate part structure of a fluidized drying bed for plastic product processing proposed by the present utility model.
[0029] Legend Explanation:
[0030] 1. Casing; 2. Support plate; 3. Sieve plate; 4. Air inlet pipe; 5. Air outlet pipe; 6. Barrel; 7. Hopper; 8. Rotating cylinder; 9. Shaft; 10. Stirring rod; 11. Shoveling plate; 12. Circular plate; 13. Feed inlet; 14. First bevel gear; 15. First motor; 16. Second bevel gear; 17. Guide plate; 18. Cover shell; 19. Slide bar; 20. Limiting plate; 21. Spring; 22. Bracket; 23. Second motor; 24. Transmission rod; 25. Eccentric wheel; 26. Mounting frame. Detailed Implementation Modes
[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the specification of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0032] Referring to Figures 1 - 5 , an embodiment provided by the present utility model: a fluidized drying bed for plastic product processing, including a machine shell 1, a support plate 2 is fixedly connected to the inner bottom of the machine shell 1, a sieve plate 3 is installed on the inner top of the machine shell 1, an air inlet pipe 4 is fixedly connected to one side of the support plate 2, an air outlet is provided in the middle of the support plate 2, and the air inlet pipe 4 is communicated with the air outlet, an air outlet pipe 5 is fixedly connected to the top of the machine shell 1, a barrel 6 is fixedly connected to one side of the top of the machine shell 1, a hopper 7 is fixedly connected to one side of the top of the barrel 6, a rotating cylinder 8 is rotatably connected to the middle of the barrel 6, a rotating shaft 9 is rotatably connected to the middle of the rotating cylinder 8, a stirring rod 10 is fixedly connected to the outside of the rotating cylinder 8, a scraping plate 11 is fixedly connected to the bottom of the outer wall of the rotating cylinder 8, a circular plate 12 is fixedly connected to the bottom of the rotating shaft 9, and the top surface of the circular plate 12 is in contact with the bottom surface of the scraping plate 11. First bevel gears 14 are fixedly connected to the top of both the rotating cylinder 8 and the rotating shaft 9, and the two first bevel gears 14 are symmetric with each other. A first motor 15 is fixedly connected to the other side of the top of the barrel 6, a second bevel gear 16 is fixedly connected to the output end of the first motor 15, and the top and bottom of the second bevel gear 16 are respectively meshed with the two first bevel gears 14. A driving component for driving the sieve plate 3 to vibrate is installed inside the machine shell 1. Feeding ports 13 are provided on one side of the middle of the circular plate 12, one side of the bottom of the barrel 6, and the right side of the top of the machine shell 1, and the three feeding ports 13 are communicated with each other.
[0033] During use, first connect the hot air source to the air inlet pipe 4 and connect the exhaust gas duct to the air outlet pipe 5. Then pour the plastic particles to be dried along the hopper 7 into the barrel 6. At this time, drive the first motor 15 to drive the second bevel gear 16 to rotate, and the second bevel gear 16 can drive the two first bevel gears 14 to rotate at the same time. At this time, the two first bevel gears 14 can drive the circular plate 12, the stirring rod 10, and the scraping plate 11 to rotate respectively. By the rotation of the stirring rod 10 and the scraping plate 11, the plastic particles inside the barrel 6 can be dispersed and stirred, so as to avoid the phenomenon of blockage caused by their accumulation and inability to feed materials. And under the rotation of the circular plate 12, the feeding port 13 on the circular plate 12 and the feeding port 13 on the barrel 6 can be indirectly overlapped, and the plastic particles can only fall into the inside of the machine shell 1 after the two overlap. Therefore, the purpose of indirectly feeding the plastic particles can be achieved, so as to avoid the phenomenon that too many plastic particles are fed and the drying is not thorough after accumulation, which is beneficial to ensuring the quality of the final plastic products.
[0034] Reference Figure 1 、 Figure 2 and Figure 5 , the driving assembly includes a second motor 23, the second motor 23 is fixedly connected to the inner bottom of the housing 1, the output end of the second motor 23 is fixedly connected to a transmission rod 24, an eccentric wheel 25 is fixedly connected to the outer side of the transmission rod 24, the middle of the bottom surface of the sieve plate 3 is fixedly connected to a bracket 22, the bracket 22 penetrates through the support plate 2, and the bottom surface of the bracket 22 is in contact with the outer wall of the eccentric wheel 25.
[0035] When the plastic particles enter the housing 1, they will first fall on the sieve plate 3. At this time, the second motor 23 is driven to drive the transmission rod 24 and the eccentric wheel 25 to rotate. When the long diameter side of the eccentric wheel 25 contacts the bracket 22, the bracket 22 can be lifted and the sieve plate 3 can be driven to move upward. When the short diameter side of the eccentric wheel 25 contacts the bracket 22, the bracket 22 and the sieve plate 3 move downward. Therefore, the continuous upward and downward movement of the sieve plate 3 is realized, and then the vibration of the sieve plate 3 is realized. Therefore, the plastic particles on the sieve plate 3 can be shaken loose, so that they are in full contact with the hot air, improving the thoroughness of drying.
[0036] Reference Figure 1 and Figure 2 , a guide plate 17 is installed on the left side of the outer wall of the housing 1, the middle of the top surface of the barrel 6 is fixedly connected to a cover 18, and both the first bevel gear 14 and the second bevel gear 16 are inside the cover 18.
[0037] The dried plastic particles can be guided through the guide plate 17 to prevent them from spilling due to the vibration of the sieve plate 3. And the cover 18 can protect the first bevel gear 14 and the second bevel gear 16 to prevent dust particles from entering the gap between them, and further prevent excessive wear between them. Therefore, it is beneficial to improve the service life of the device.
[0038] Reference Figure 1 、 Figure 2 and Figure 5 , a sliding rod 19 is fixedly connected to the outer middle of the bottom surface of the sieve plate 3, the middle of the outer wall of the sliding rod 19 is slidably connected to the middle of the support plate 2, a spring 21 is sleeved on the bottom of the outer wall of the sliding rod 19, the bottom of the sliding rod 19 is fixedly connected to a limiting plate 20, and the diameter of the limiting plate 20 is larger than the diameter of the sliding rod 19. A through hole is provided in the middle of the support plate 2, and both the sliding rod 19 and the bracket 22 are inside the through hole. One end of the transmission rod 24 is rotatably connected to a mounting frame 26, and the mounting frame 26 is fixedly connected to the inner bottom of the housing 1. The horizontal height of the sieve plate 3 on the side close to the guide plate 17 is lower than the horizontal height of the sieve plate 3 on the side close to the barrel 6.
[0039] During the upward movement of the sieve plate 3, the sieve plate 3 drives the sliding rod 19 to slide in the middle of the support plate 2. At this time, the spring 21 can be compressed, and the spring 21 can exert pressure on the limit plate 20. Therefore, when the sieve plate 3 moves downward, the spring 21 will accelerate the downward movement of the sliding rod 19 and pull the sieve plate 3 and the support 22. Therefore, the rapid downward movement of the sieve plate 3 can be realized, so that the support 22 is closely attached to the eccentric wheel 25, thereby improving the stability of the device operation. And the left side of the sieve plate 3 is lower than the right side. Therefore, under the continuous swinging of the sieve plate 3, the plastic particles can be continuously close to the left side of the sieve plate 3 and finally discharged along the guide plate 17.
[0040] Working principle: When in use, connect the air inlet pipe 4 to hot air, connect the air outlet pipe 5 to the exhaust pipe, and let the hot air enter the interior of the casing 1. Then it enters the exhaust pipe from the air outlet pipe 5 to realize the air circulation. Then pour the plastic particles to be dried into the interior of the barrel body 6 along the hopper 7. At this time, drive the first motor 15 to drive the second bevel gear 16 to rotate. The first bevel gear 14 can drive two second bevel gears 16 to rotate simultaneously. At this time, one second bevel gear 16 can drive the rotating drum 8, the stirring rod 10 and the shoveling plate 11 to rotate, and the other second bevel gear 16 can drive the circular plate 12 to rotate. And the rotation modes of the stirring rod 10 and the circular plate 12 are opposite. After the circular plate 12 rotates, the feeding ports 13 on the barrel body 6 and the casing 1 are always connected. And the feeding port 13 on the circular plate 12 will coincide indirectly with the feeding port 13 on the barrel body 6 as the circular plate 12 rotates. When the three feeding ports 13 coincide with each other, the plastic particles will fall into the casing 1 and be on the sieve plate 3. Thus, the purpose of indirect feeding is achieved. And under the rotation of the stirring rod 10, the plastic particles in the barrel body 6 can be scattered, the plastic particles agglomerated together can be separated from each other, and they can also be stirred to prevent them from piling up and blocking inside the barrel body 6. The shoveling plate 11 can shovel up the plastic particles above the circular plate 12, which can further drive the movement of the plastic particles inside the barrel body 6, and further prevent blockage. Then drive the second motor 23 to drive the transmission rod 24 to rotate. The transmission rod 24 can drive the eccentric wheel 25 to rotate. When the long diameter side of the eccentric wheel 25 contacts the bracket 22, the bracket 22 can be lifted and drive the sieve plate 3 to move upward, and the spring 21 is compressed. When the short diameter side of the eccentric wheel 25 contacts the bracket 22, the spring 21 will exert pressure on the limiting plate 20, making it drive the sliding rod 19 to pull the sieve plate 3 and the bracket 22 to move downward. In this way, the continuous upward and downward movement of the sieve plate 3 is realized, and thus the reciprocating swing of the sieve plate 3 is realized. At this time, the sieve plate 3 can drive the plastic particles to vibrate, so that the plastic particles can be fully and evenly contacted with the hot air. At this time, the moisture can be evaporated into water vapor and discharged along the air outlet pipe 5. As the sieve plate 3 continuously swings, and the height on the left side of the sieve plate 3 is lower than the height on the right side of the sieve plate 3, so the sieve plate 3 is in an inclined state. Thus, under the continuous swing of the sieve plate 3, the plastic particles can be gradually conveyed to the left side of the casing 1 and finally discharged from the guide plate 17.
[0041] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A fluidized drying bed for processing plastic products, comprising a housing (1), characterized in that: The inner bottom of the casing (1) is fixedly connected to a support plate (2), the inner top of the casing (1) is provided with a sieve plate (3), one side of the support plate (2) is fixedly connected to an air inlet pipe (4), the middle of the support plate (2) is provided with an air outlet, and the air inlet pipe (4) is communicated with the air outlet, the top of the casing (1) is fixedly connected to an air outlet pipe (5), one side of the top of the casing (1) is fixedly connected to a barrel body (6), one side of the top of the barrel body (6) is fixedly connected to a hopper (7), the middle of the barrel body (6) is rotatably connected to a rotating drum (8), the middle of the rotating drum (8) is rotatably connected to a rotating shaft (9), the outer side of the rotating drum (8) is fixedly connected to a stirring rod (10), and the outer wall of the rotating drum (8) is A shovel plate (11) is fixedly connected to the bottom of the rotating shaft (9), a circular plate (12) is fixedly connected to the bottom of the shovel plate (11), the top of the circular plate (12) is in contact with the bottom of the shovel plate (11), the top of the rotating drum (8) and the top of the rotating shaft (9) are both fixedly connected to a first bevel gear (14), the first bevel gears (14) on both sides are symmetrical to each other, a first motor (15) is fixedly connected to the other side of the top of the barrel body (6), the output end of the first motor (15) is fixedly connected to a second bevel gear (16), and the top and bottom of the second bevel gear (16) are respectively meshed with the two first bevel gears (14), and a driving component for driving the screen plate (3) to vibrate is installed inside the casing (1).
2. The fluidized drying bed for processing plastic products according to claim 1, characterized in that: The driving assembly comprises a second motor (23), the second motor (23) is fixedly connected to the inner bottom of the casing (1), the output end of the second motor (23) is fixedly connected to a transmission rod (24), the outer side of the transmission rod (24) is fixedly connected to an eccentric wheel (25), the middle part of the bottom surface of the screen plate (3) is fixedly connected to a bracket (22), the bracket (22) passes through the support plate (2), and the bottom surface of the bracket (22) is in contact with the outer wall of the eccentric wheel (25).
3. The fluidized drying bed for processing plastic products according to claim 1, characterized in that: Feed ports (13) are provided on one side of the middle of the circular plate (12), one side of the bottom of the barrel body (6), and the right side of the top of the casing (1), and the three feed ports (13) are interconnected.
4. The fluidized drying bed for processing plastic products according to claim 1, characterized in that: A material guide plate (17) is installed on the left side of the outer wall of the casing (1), a cover shell (18) is fixedly connected to the middle of the top surface of the barrel body (6), and the first bevel gear (14) and the second bevel gear (16) are both located inside the cover shell (18).
5. The fluidized drying bed for processing plastic products according to claim 2, characterized in that: A sliding rod (19) is fixedly connected to the outer middle part of the bottom surface of the sieve plate (3); the middle part of the outer wall of the sliding rod (19) is slidably connected to the middle part of the support plate (2); a spring (21) is sleeved on the bottom of the outer wall of the sliding rod (19); the bottom of the sliding rod (19) is fixedly connected to a limiting plate (20), and the diameter of the limiting plate (20) is larger than the diameter of the sliding rod (19).
6. The fluidized drying bed for processing plastic products according to claim 5, characterized in that: A through hole is provided in the middle of the support plate (2), and the sliding rod (19) and the bracket (22) are both located inside the through hole.
7. The fluidized drying bed for processing plastic products according to claim 2, characterized in that: One end of the transmission rod (24) is rotatably connected to a mounting frame (26), and the mounting frame (26) is fixedly connected to the bottom of the inner wall of the casing (1).
8. The fluidized drying bed for processing plastic products according to claim 4, characterized in that: The horizontal height of the side of the sieve plate (3) close to the material guide plate (17) is lower than the horizontal height of the side of the sieve plate (3) close to the barrel body (6).