Polypropylene particle drying device
By using a rotating shaft, auxiliary unit and lifting unit in the polypropylene pellet drying device, stirring and turning of materials is achieved, solving the problem of uneven drying of bottom materials in the existing device, and improving drying efficiency and quality.
Patent Information
- Application Number
- CN202421303055.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-06-07
AI Technical Summary
The existing polypropylene pellet drying device cannot completely turn the bottom particles during the stirring process, resulting in differences in drying efficiency and quality.
A polypropylene pellet drying device is designed, using a rotating shaft, an auxiliary unit and a lifting unit. Through the combination of a stirring rod and a flip plate, the materials inside the placement barrel are stirred and turned, ensuring that the bottom material is turned to the top.
Improves the efficiency and quality of the drying device, ensuring the drying consistency of the bottom and top materials.
Smart Images

Figure CN222590369U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of polypropylene particle drying devices, in particular to a polypropylene particle drying device. Background Art
[0002] Polypropylene, referred to as PP, is a polymer formed by the addition polymerization of propylene. It is a white waxy material with a transparent and light appearance. Its chemical formula is (C3H6)n, its density is 0.89-0.91g / cm3, it is flammable, its melting point is 164-170℃, it softens at about 155℃, and its operating temperature range is -30-140℃. It is resistant to corrosion by acids, alkalis, salt solutions and various organic solvents below 80℃, and it can decompose under high temperature and oxidation. Polypropylene is a thermoplastic synthetic resin with excellent performance. It is a colorless, translucent, thermoplastic, lightweight general-purpose plastic with chemical resistance, heat resistance, electrical insulation, high-strength mechanical properties and good high-wear-resistant processing properties. It is widely used in the production of fiber products such as clothing, blankets, medical equipment, automobiles, bicycles, parts, pipelines, chemical containers, etc. It is also used in food and drug packaging.
[0003] When polypropylene products are processed and produced, the raw material polypropylene particles need to be dried to remove moisture from the polypropylene particles, which is beneficial for subsequent processing.
[0004] When drying polypropylene particles, heating drying is used. Stirring is added during drying to improve drying efficiency. However, the polypropylene particles at the bottom of the device cannot be completely turned over to the upper side during stirring, resulting in a certain difference between the drying treatment of the polypropylene particles at the bottom and the drying treatment of the polypropylene particles at the top, which will affect the drying efficiency and quality of the device. Therefore, we propose a polypropylene particle drying device to solve the above problems. Utility Model Content
[0005] The utility model aims to solve the problem in the prior art that heating drying is used for drying polypropylene particles, stirring is increased during the drying process to improve the drying efficiency, but the polypropylene particles at the bottom of the device cannot be completely turned over to the upper side during the stirring process, so that there is a certain difference between the drying process of the polypropylene particles at the bottom and the drying process of the polypropylene particles at the top, which affects the drying efficiency and quality of the device, and a polypropylene particle drying device is proposed.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A polypropylene particle drying device is designed, comprising a placing barrel and an electromagnetic heating plate, wherein an A mounting groove is arranged on the upper side of the placing barrel, the electromagnetic heating plate is installed inside the A mounting groove, the electromagnetic heating plate is connected to a power supply and a controller through a wire, an A limiting ring is installed on the upper side of the placing barrel, an A positioning groove is arranged inside the placing barrel, a rotating shaft is rotated inside the A positioning groove, an auxiliary unit is arranged between the rotating shaft and the placing barrel, and a discharge port is arranged on the lower side of the placing barrel.
[0008] Preferably, four supporting legs are fixed to the lower side of the placement bucket.
[0009] By adopting the above technical solution, the placement barrel is supported at a suitable height, making it convenient to use the device.
[0010] Preferably, the auxiliary unit includes an A motor, a limit plate is provided on the inner side of the A limit ring, an A positioning hole is provided at the center of the upper side of the limit plate, the rotating shaft can rotate on the inner side of the A positioning hole, four connecting plates are fixed on the outer side of the limit plate, a support plate is fixed on the side of the connecting plate away from the limit plate, the A motor is installed on the upper side of the limit plate, the shaft end of the A motor is fixedly connected to the upper end of the rotating shaft, a rotating groove is provided on the inner side of the placing barrel, a connecting ring is rotatably provided on the inner side of the rotating groove, four stirring rods are fixed on the upper side of the connecting ring, a connecting rod is fixed on the upper side of the stirring rod, the connecting rod is fixedly connected to the outer side of the rotating shaft, a flap is slidingly provided on the outer side of the rotating shaft, bevel auxiliary rings are installed on the upper and lower sides of the flap, the bevel auxiliary ring can slide on the outer side of the rotating shaft, a lifting unit is provided between the flap and the connecting ring, and the A motor is connected to a power supply and a controller through wires.
[0011] By adopting the above technical solution, the material inside the barrel is stirred by the auxiliary unit, thereby improving the drying efficiency.
[0012] Preferably, two limiting grooves are provided on the upper side of the connecting ring, and a B limiting ring is rotatably arranged inside the limiting groove, and the B limiting ring is fixedly connected to the inner side of the rotating groove.
[0013] By adopting the above technical solution, the B limiting ring limits the rotation of the connecting ring, making the rotation of the connecting ring more stable.
[0014] Preferably, the lifting unit includes a B motor and four screws. A support rod is provided on the side of the stirring rod facing the rotating axis, and the support rod is fixedly connected to the lower side of the connecting rod. A B mounting groove is provided on the side of the support rod facing the rotating axis. Four B positioning grooves are provided on the upper side of the connecting ring. The screw rotates inside the B positioning groove. A lifting block slides inside the B mounting groove. A connecting block is fixed between the lifting block and the flap. A threaded hole is provided on the upper side of the lifting block. The screw is connected to the inner side of the threaded hole through threaded meshing transmission. A B positioning hole is provided on the upper side of the connecting rod. The screw can be rotatable inside the B positioning hole. The four screws are connected through gear rack meshing transmission. The shaft end of the B motor and the screw are connected through bevel gear meshing transmission. The B motor is installed on the upper side of the connecting rod, and the B motor is connected to a power supply and a controller through a wire.
[0015] By adopting the above technical solution, the flap is moved up and down with the bevel auxiliary ring, the material in the barrel is turned over, and the material hidden deep inside is turned over, thereby improving the drying efficiency and quality of the device.
[0016] Preferably, the bevel auxiliary ring and the inner side of the flap are each provided with four guide grooves, and a guide bar is fixed to the outer side of the rotating shaft, and the guide bar can slide inside the guide groove.
[0017] By adopting the above technical solution, the guide bar guides and supports the bevel auxiliary ring and the flap, making the bevel auxiliary ring and the flap move up and down and rotate with the rotating shaft more stable.
[0018] Preferably, flexible protective covers are installed on both the upper and lower sides of the lifting block, and the flexible protective cover is installed on the inner side of the B installation groove away from the lifting block, and the flexible protective cover can slide on the inner side of the B installation groove.
[0019] By adopting the above technical solution, the flexible protective cover protects the parts in the B installation groove, making the operation of the device more stable.
[0020] The utility model provides a polypropylene particle drying device, which has the following beneficial effects:
[0021] 1. By setting the rotating shaft, auxiliary unit and lifting unit, the ability to stir the materials inside the barrel and turn the bottom materials to the top is achieved, which improves the drying quality and drying efficiency of the device.
[0022] 2. By setting the bevel auxiliary ring, the flap in the device can play a guiding role when feeding the material, which can make it more convenient to reach the bottom of the material. At the same time, when the flap rises, the bottom material can be better placed on the top. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1This is a schematic diagram of the front side top view of the three-dimensional structure of a polypropylene particle drying device proposed by the utility model;
[0024] Figure 2 The utility model proposed Figure 1 A partial enlarged schematic diagram of the three-dimensional structure of the middle A area;
[0025] Figure 3 It is a left side cutaway three-dimensional structural schematic diagram of a polypropylene particle drying device proposed by the utility model;
[0026] Figure 4 The utility model proposed Figure 3 A schematic diagram of the partially enlarged three-dimensional structure of the middle B area;
[0027] Figure 5 The utility model proposed Figure 3 A schematic diagram of the partially enlarged three-dimensional structure of the middle C area;
[0028] Figure 6 The utility model proposed Figure 3 A schematic diagram of the partially enlarged three-dimensional structure of the middle D area;
[0029] Figure 7 This is a schematic diagram of the bottom cutaway three-dimensional structure of a polypropylene particle drying device proposed by the utility model;
[0030] Figure 8 The utility model proposed Figure 7 A schematic diagram of the partially enlarged three-dimensional structure of the middle E area;
[0031] Fig. 9 The utility model proposed Figure 7 Schematic diagram of the partially enlarged three-dimensional structure of the middle F area.
[0032] In the figure: 1. Placement barrel; 2. Electromagnetic heating plate; 3. A limit ring; 4. Rotating shaft; 5. Auxiliary unit; 51. A motor; 52. Limit plate; 53. Connecting plate; 54. Support plate; 55. Connecting ring; 56. Stirring rod; 57. Connecting rod; 58. Flip plate; 59. B limit ring; 510. Bevel auxiliary ring; 6. Lifting unit; 61. B motor; 62. Screw; 63. Support rod; 64. Lifting block; 65. Connecting block; 66. Guide strip; 67. Flexible protective cover; 7. Support leg. DETAILED DESCRIPTION
[0033] The technical scheme in the embodiments of the present invention will be clarified and fully described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0034] Reference Figure 1-9A polypropylene particle drying device comprises a placement barrel 1 and an electromagnetic heating plate 2. Four supporting legs 7 are fixed to the lower side of the placement barrel 1. The supporting legs 7 support the placement barrel 1 at a suitable height to facilitate the use of the device. A discharge port is provided at the lower side of the placement barrel 1, and an A mounting groove is provided at the upper side of the placement barrel 1. The electromagnetic heating plate 2 is installed inside the A mounting groove. The electromagnetic heating plate 2 is connected to a power supply and a controller through a wire. The electromagnetic heating plate 2 heats and dries the polypropylene particles inside the placement barrel 1, which is beneficial to the subsequent use of the polypropylene particles.
[0035] A limiting ring A 3 is installed on the upper side of the placing barrel 1 , and a positioning groove A is arranged inside the placing barrel 1 , and a rotating shaft 4 is rotated inside the positioning groove A.
[0036] An auxiliary unit 5 is provided between the rotating shaft 4 and the placing barrel 1, and the auxiliary unit 5 includes an A motor 51. A limiting plate 52 is provided on the inner side of the A limiting ring 3. A positioning hole is provided at the center of the upper side of the limiting plate 52. The rotating shaft 4 can rotate inside the A positioning hole. The limiting plate 52 plays a role of limiting support for the rotating shaft 4, so that the rotation of the rotating shaft 4 is more stable. Four connecting plates 53 are fixed on the outer side of the limiting plate 52. A supporting plate 54 is fixed on the side of the connecting plate 53 away from the limiting plate 52. The supporting plate 54 and the connecting plate 53 play a role of supporting the limiting plate 52. The A motor 51 is installed on the upper side of the limiting plate 52. The shaft end of the A motor 51 is fixedly connected to the upper end of the rotating shaft 4. The A motor 51 is connected to the power supply and the controller through a wire. The A motor 51 drives the rotating shaft 4 to rotate on the A positioning hole and the limiting plate 52, so that the auxiliary unit 5 can rotate automatically, thereby improving the automation level of the device and improving the processing efficiency.
[0037] A rotating groove is provided on the inner side of the placing barrel 1, and a connecting ring 55 is rotatably provided on the inner side of the rotating groove. Two limiting grooves are provided on the upper side of the connecting ring 55, and a B limiting ring 59 is rotatably provided on the inner side of the limiting groove. The B limiting ring 59 is fixedly connected to the inner side of the rotating groove. The B limiting ring 59 limits the rotation of the connecting ring 55, making the rotation of the connecting ring 55 more stable. Four stirring rods 56 are fixed on the upper side of the connecting ring 55, and a flap 58 is slidably provided on the outer side of the rotating shaft 4. Bevel auxiliary rings 510 are installed on the upper and lower sides of the flap 58, and the bevel auxiliary ring 51 0 can slide on the outside of the rotating shaft 4. The bevel on the bevel auxiliary ring 510 allows the bevel auxiliary ring 510 to move up and down on the material more conveniently with the flap 58, and the material at the bottom can be flipped to the top more quickly. A connecting rod 57 is fixed on the upper side of the stirring rod 56, and the connecting rod 57 is fixedly connected to the outside of the rotating shaft 4. The rotating shaft 4 rotates with the rotating shaft 4 as the central axis through the connecting rod 57 and the connecting ring 55, so that the stirring rod 56 stirs the material in the placement barrel 1, thereby improving the drying efficiency of the device.
[0038] A lifting unit 6 is provided between the flap 58 and the connecting ring 55. The lifting unit 6 includes a B motor 61 and four screws 62. Four guide grooves are provided on the inner sides of the bevel auxiliary ring 510 and the flap 58. A guide bar 66 is fixed on the outer side of the rotating shaft 4. The guide bar 66 can slide on the inner side of the guide groove. The guide bar 66 guides and supports the bevel auxiliary ring 510 and the flap 58, allowing the bevel auxiliary ring 510 and the flap 58 to move up and down and rotate with the rotating shaft 4 more stably.
[0039] A support rod 63 is provided on the side of the stirring rod 56 facing the rotating shaft 4, and the support rod 63 is fixedly connected to the lower side of the connecting rod 57. A B mounting groove is provided on the side of the supporting rod 63 facing the rotating shaft 4. Four B positioning grooves are provided on the upper side of the connecting ring 55. The screw 62 rotates on the inner side of the B positioning groove. A lifting block 64 slides on the inner side of the B mounting groove. Flexible protective covers 67 are installed on the upper and lower sides of the lifting block 64. The side of the flexible protective cover 67 away from the lifting block 64 is installed on the inner side of the B mounting groove and the flexible protective cover 67 can slide on the inner side of the B mounting groove. The flexible protective cover 67 protects the parts in the B mounting groove, making the operation of the device more stable. A connecting block 65 is fixed between the lifting block 64 and the flap 58. A threaded hole is provided on the upper side of the lifting block 64. The screw 62 is connected to the inner side of the threaded hole through threaded meshing transmission. A B positioning hole is provided, and the screw 62 can rotate inside the B positioning hole. The four screws 62 are connected by gear rack meshing transmission. The shaft end of the B motor 61 and the screw 62 are connected by bevel gear meshing transmission. The B motor 61 is installed on the upper side of the connecting rod 57. The B motor 61 is connected to the power supply and the controller through a wire. The B motor 61 rotates with a screw 62, and the four screws 62 can rotate in the B positioning groove and the B positioning hole at the same time through the gear rack. As the screw 62 rotates, the lifting block 64 outside the screw 62 moves up and down in the B installation groove, and the flap 58 moves up and down together with the lifting block 64 through the connecting block 65, realizing the ability to automatically flip the bottom material to the upper side, so that the bottom material can be better dried, thereby improving the drying quality and efficiency of the device.
[0040] How it works:
[0041] The polypropylene granular material is poured into the placement barrel 1 from the upper side, and the electromagnetic heating plate 2 is used to heat and dry the polypropylene granular material. During the drying process, the material is stirred and the bottom material is placed on the upper part through the auxiliary unit 5, the flap 58 and the lifting unit 6, which is beneficial to the drying of the device. At the same time, a discharging device is installed at the discharging port to allow the material to automatically flow out to the next process after processing.
[0042] In the description of this patent, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position; be constructed and operated in a specific position, and therefore cannot be understood as a limitation of the utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.
[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A polypropylene particle drying device, comprising a placement barrel (1) and an electromagnetic heating plate (2), wherein the placement barrel (1) is provided with an A mounting groove on the upper side, the electromagnetic heating plate (2) is mounted inside the A mounting groove, and the electromagnetic heating plate (2) is connected to a power supply and a controller via a wire, characterized in that: An A limiting ring (3) is installed on the upper side of the placement barrel (1), an A positioning groove is provided on the inner side of the placement barrel (1), a rotating shaft (4) is rotatably provided on the inner side of the A positioning groove, an auxiliary unit (5) is provided between the rotating shaft (4) and the placement barrel (1), the auxiliary unit (5) comprises an A motor (51), a limiting plate (52) is provided on the inner side of the A limiting ring (3), an A positioning hole is provided at the center of the upper side of the limiting plate (52), the rotating shaft (4) can be rotated inside the A positioning hole, four connecting plates (53) are fixed on the outer side of the limiting plate (52), a supporting plate (54) is fixed on the side of the connecting plate (53) away from the limiting plate (52), the A motor (51) is installed on the upper side of the limiting plate (52), the shaft end of the A motor (51) is connected to the rotating shaft (4), and the rotating shaft (4) is connected to the A motor (51). The upper end of the rotating shaft (4) is fixedly connected, a rotating groove is provided on the inner side of the placement barrel (1), a connecting ring (55) is rotatably provided on the inner side of the rotating groove, four stirring rods (56) are fixed on the upper side of the connecting ring (55), a connecting rod (57) is fixed on the upper side of the stirring rod (56), the connecting rod (57) is fixedly connected to the outer side of the rotating shaft (4), a flap (58) is slidably provided on the outer side of the rotating shaft (4), bevel auxiliary rings (510) are installed on the upper and lower sides of the flap (58), the bevel auxiliary ring (510) can slide on the outer side of the rotating shaft (4), a lifting unit (6) is provided between the flap (58) and the connecting ring (55), the A motor (51) is connected to a power supply and a controller through a wire, and a discharge port is provided on the lower side of the placement barrel (1).
2. A polypropylene particle drying device according to claim 1, characterized in that: Four supporting legs (7) are fixed on the lower side of the placement bucket (1).
3. A polypropylene particle drying device according to claim 1, characterized in that: Two limiting grooves are arranged on the upper side of the connecting ring (55), and a B limiting ring (59) is rotatably arranged inside the limiting groove. The B limiting ring (59) is fixedly connected to the inner side of the rotating groove.
4. A polypropylene particle drying device according to claim 1, characterized in that: The lifting unit (6) comprises a B motor (61) and four screws (62). A support rod (63) is provided on the side of the stirring rod (56) facing the rotating shaft (4), and the support rod (63) is fixedly connected to the lower side of the connecting rod (57). A B mounting groove is provided on the side of the supporting rod (63) facing the rotating shaft (4). Four B positioning grooves are provided on the upper side of the connecting ring (55). The screw (62) rotates inside the B positioning groove. A lifting block (64) slides inside the B mounting groove. A connecting member (64) is fixedly connected to the lifting block (64) and the flap (58). A block (65) is provided with a threaded hole on the upper side of the lifting block (64), and the screw rod (62) is connected to the inner side of the threaded hole through threaded meshing transmission. A B positioning hole is provided on the upper side of the connecting rod (57), and the screw rod (62) can rotate inside the B positioning hole. The four screw rods (62) are connected to each other through gear rack meshing transmission. The shaft end of the B motor (61) and the screw rod (62) are connected to each other through bevel gear meshing transmission. The B motor (61) is installed on the upper side of the connecting rod (57), and the B motor (61) is connected to a power supply and a controller through a wire.
5. A polypropylene particle drying device according to claim 4, characterized in that: Four guide grooves are provided on the inner sides of the bevel auxiliary ring (510) and the flap (58), and a guide bar (66) is fixed on the outer side of the rotating shaft (4), and the guide bar (66) can slide on the inner sides of the guide grooves.
6. A polypropylene particle drying device according to claim 4, characterized in that: Flexible protective covers (67) are installed on both upper and lower sides of the lifting block (64); the side of the flexible protective cover (67) away from the lifting block (64) is installed on the inner side of the B installation groove, and the flexible protective cover (67) can slide on the inner side of the B installation groove.