Flame-retardant TPU (thermoplastic polyurethane) nano composite material preparation device
By introducing a water cycle refrigeration device and cooling pipeline into the flame retardant TPU nanocomposite preparation device, the problem that temperature increases during the stirring process affects the performance of the material, and the stability and uniformity of the material performance are achieved.
Patent Information
- Application Number
- CN202421413926.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-06-20
AI Technical Summary
During the preparation of flame retardant TPU nanocomposites, chemical reactions that may occur during the stirring process lead to an increase in temperature, exceeding the thermal stability range of certain components, affecting the performance of the material and leading to a decrease in performance.
A flame-retardant TPU nanocomposite material preparation device including a melt mixer, a control device and a water circulation refrigeration device is designed. By setting up a cooling pipe and a water circulation refrigeration system, effective cooling of the stirred leaves and the mixed materials is achieved to ensure uniform dispersion of the nanomaterials in the matrix.
It effectively prevents the problem of uneven material properties, ensures the stability and uniformity of material properties through cooling measures, and reduces the viscosity and friction heat of the mixture.
Smart Images
Figure CN222681411U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of stirring devices, in particular to a device for preparing a flame-retardant TPU nano composite material. Background Art
[0002] The preparation device of flame-retardant TPU nanocomposites generally refers to an integrated equipment system for producing thermoplastic polyurethane (TPU) nanocomposites with flame-retardant properties, which can realize the whole process from mixing, reaction, post-processing of raw materials to performance testing of the final product.
[0003] When the materials of the flame-retardant TPU nanocomposite material preparation device are stirred and mixed, if a chemical reaction occurs during the stirring process, heat may be released, causing the temperature of the mixture to rise. If the temperature exceeds the thermal stability range of certain components, the thermal stability of certain components will be affected, resulting in a decrease in material performance;
[0004] Therefore, in order to solve the above problems, a flame retardant TPU nanocomposite material preparation device is proposed. Utility Model Content
[0005] The utility model aims to provide a flame retardant TPU nanocomposite material preparation device to solve the problem that if the temperature exceeds the thermal stability range of certain components, the thermal stability of certain components will be affected, thereby causing the material performance to decline.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A flame-retardant TPU nanocomposite material preparation device comprises a melt mixer, a control device and a water circulation refrigeration device, wherein one end of the melt mixer is fixedly connected with a stirring device, the outer side of the stirring device is fixedly connected with a control device, the outer side of the stirring device is fixedly connected with a water circulation refrigeration device, and one end of the control device is fixedly connected with a stirring rod; the stirring device comprises a stirring container, the upper end of the stirring container is fixedly connected with a fixing rod, the lower end of the fixing rod is fixedly connected with a cooling rod, the bottom of the cooling rod is rotatably connected with a connecting piece, the outer side of the connecting piece is fixedly connected with a stirring blade, the stirring blade comprises a stirring blade body, the inner side of the stirring blade body is provided with a cooling pipeline, the outer side of the cooling pipeline is slidably connected with a dispersant solid block, and one side of the dispersant solid block is fixedly connected with an extrusion plate; the bottom of the connecting piece is rotatably connected with a connecting pipe, the inner side of the connecting pipe is provided with a connecting hole, and the inner side of the cooling rod is provided with a pipeline.
[0008] As a further optimization of the present invention, the inner side of the fixed rod is rotatably connected to the outer side of the stirring rod, the cooling rod is hollow, the cooling rod is arranged at the center position of the bottom of the fixed rod, and the cooling rod is perpendicular to the bottom of the fixed rod.
[0009] As a further optimization of the present invention, the fixing rod is hollow, the inner side of the fixing rod is fixedly connected to the water pipe of the water circulation refrigeration device, a hole is provided at the bottom of the fixing rod, and the hole provided at the bottom of the fixing rod is connected to the pipeline.
[0010] As further optimization content of the present invention, the pipeline is arranged on the inner side of the cooling rod, the pipeline is spirally arranged, the center point of the pipeline and the cooling rod are located on the same vertical line, the cooling rod and the pipeline are coaxial, and one end of the pipeline is connected to the inner side of the connecting piece.
[0011] As a further optimization of the present invention, wherein: two connecting holes are provided, the connecting holes connect the connecting piece and the connecting pipe, the connecting holes are symmetrically arranged, and the connecting holes are parallel to each other.
[0012] As a further optimization of the present invention, wherein: two cooling pipes are provided, the cooling pipes and the stirring blade body correspond to each other, the cooling pipes are provided on the inner side of the stirring blade body, the shape of the cooling pipes is U-shaped, and the cooling pipes are symmetrically provided.
[0013] As further optimization content of the present invention, there are several extrusion plates and dispersant solid blocks, and the extrusion plates and dispersant solid blocks correspond to each other one by one. The extrusion plates are arranged on the side of the dispersant solid block close to the cooling pipe, and the extrusion plates and dispersant solid blocks are evenly and equidistantly distributed on the inner side of the stirring blade body, and the outer side of the dispersant solid block is slidably connected to the inner side of the stirring blade body.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] In the utility model, the cooling pipe is set up to effectively cool the stirring blade, so as to ensure that the nanomaterial is evenly dispersed in the matrix and prevent uneven material properties. The water flow entering the cooling water pipe can continuously extrude the extrusion plate, which can effectively keep the dispersant solid block close to the mixed material, thereby effectively reducing the viscosity and friction heat of the mixture. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the stirring container of the utility model;
[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the cooling rod of the utility model;
[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of the stirring blade of the utility model;
[0020] Figure 5 For this utility model Figure 4 Schematic diagram of the structure at point A in the middle.
[0021] In the figure: 1. melt mixer; 2. control device; 3. water circulation refrigeration device; 4. stirring rod; 5. stirring device; 51. stirring container; 52. fixing rod; 53. cooling rod; 54. connecting piece; 55. stirring blade; 551. stirring blade body; 552. cooling pipe; 553. extrusion plate; 554. dispersant solid block; 56. connecting pipe; 57. pipeline; 58. connecting hole. 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 in 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] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.
[0024] See also Figure 1-5 , the utility model provides a technical solution:
[0025] A flame-retardant TPU nanocomposite material preparation device comprises a melt mixer 1, a control device 2 and a water circulation refrigeration device 3, wherein one end of the melt mixer 1 is fixedly connected with a stirring device 5, the outer side of the stirring device 5 is fixedly connected with the control device 2, the outer side of the stirring device 5 is fixedly connected with the water circulation refrigeration device 3, and one end of the control device 2 is fixedly connected with a stirring rod 4; the stirring device 5 comprises a stirring container 51, the upper end of the stirring container 51 is fixedly connected with a fixing rod 52, the lower end of the fixing rod 52 is fixedly connected with a cooling rod 53, the bottom of the cooling rod 53 is rotatably connected with a connecting piece 54, the outer side of the connecting piece 54 is fixedly connected with a stirring blade 55, the stirring blade 55 comprises a stirring blade body 551, the inner side of the stirring blade body 551 is provided with a cooling pipeline 552, the outer side of the cooling pipeline 552 is slidably connected with a dispersant solid block 554, and one side of the dispersant solid block 554 is fixedly connected with an extrusion plate 553; the bottom of the connecting piece 54 is rotatably connected with a connecting pipe 56, the inner side of the connecting pipe 56 is provided with a connecting hole 58, and the inner side of the cooling rod 53 is provided with a pipeline 57.
[0026] As a further implementation scheme of the above technical scheme: through the fixed rod 52 and the stirring rod 4, the inner side of the fixed rod 52 is rotatably connected with the outer side of the stirring rod 4, the cooling rod 53 is hollow, the cooling rod 53 is arranged at the center of the bottom of the fixed rod 52, and the cooling rod 53 is perpendicular to the bottom of the fixed rod 52. Such an arrangement can ensure that the overall structure is more reasonable and is convenient for cooling the cooling rod 53;
[0027] As a further implementation scheme of the above technical scheme: by setting a fixing rod 52, the fixing rod 52 is hollow, the inner side of the fixing rod 52 is fixedly connected to the water pipe of the water circulation refrigeration device 3, and a hole is set at the bottom of the fixing rod 52, and the hole set at the bottom of the fixing rod 52 is connected to the pipeline 57. Such a setting can ensure that the water flow is effectively circulated, and the stirring blade 55 can be continuously and effectively cooled;
[0028] As a further implementation scheme of the above technical scheme: by setting the pipeline 57, the pipeline 57 is set on the inner side of the cooling rod 53, the pipeline 57 is set in a spiral, the center point of the pipeline 57 and the cooling rod 53 is located on the same vertical line, the cooling rod 53 and the pipeline 57 are coaxial, one end of the pipeline 57 is connected to the inner side of the connecting piece 54, and the spiral pipeline 57 can effectively and continuously cool the fixed rod 52 with water to ensure uniform mixing of the nanomaterials;
[0029] As a further implementation scheme of the above technical scheme: by setting the connection hole 58, there are two connection holes 58, the connection holes 58 connect the connection piece 54 and the connection pipe 56, the connection holes 58 are symmetrically arranged, and the connection holes 58 are parallel to each other. Such an arrangement can ensure the rationality of the overall structure and realize water circulation;
[0030] As a further implementation scheme of the above technical scheme: by setting a cooling pipe 552, there are two cooling pipes 552, the cooling pipes 552 correspond to each other, the cooling pipes 552 are arranged on the inner side of the stirring blade body 551, the cooling pipes 552 are in a U-shape, and the cooling pipes 552 are symmetrically arranged, which can effectively cool the stirring blade 55, thereby ensuring that the nanomaterials are evenly dispersed in the matrix and preventing the occurrence of uneven material properties;
[0031] As a further implementation scheme of the above technical scheme: by setting up an extrusion plate 553 and a dispersant solid block 554, a plurality of extrusion plates 553 and dispersant solid blocks 554 are set, and the extrusion plates 553 and the dispersant solid blocks 554 correspond to each other one by one. The extrusion plate 553 is set on the side of the dispersant solid block 554 close to the cooling pipe 552, and the extrusion plate 553 and the dispersant solid block 554 are evenly and equidistantly distributed on the inner side of the stirring blade body 551, and the outer side of the dispersant solid block 554 is slidably connected to the inner side of the stirring blade body 551. The set extrusion plates 553 and dispersant solid blocks 554 can effectively reduce the viscosity and frictional heat of the mixture.
[0032] Workflow: When it is necessary to prepare a flame-retardant TPU nanocomposite material, the prepared TPU substrate and the required flame retardant are pre-dispersed in a high shear mixer, and the TPU and the pre-dispersed nano flame retardant are added to the melt mixer 1, and mixed under a certain temperature and shear force to form a uniform molten mixture. The formed molten mixture will enter the stirring device 5 through control, and then the control device 2 will be instructed to control the stirring rod 4 to stir at a high speed. While stirring, the set water circulation refrigeration device 3 will cool and extract the water inside the water circulation refrigeration device 3 through the control of an external power supply. The extracted cold water will enter the inner side of the fixed rod 52 through the water pipe, and then flow into the inner side of the pipe 57 through the hole at the bottom of the fixed rod 52. Such a setting can effectively control the part of the surface of the cooling rod 53 that contacts the mixed material. The water flows into the cooling pipe 552 and the mixing material 551, and then enters the cooling pipe 552 provided inside the stirring blade body 551 through the connecting piece 54, thereby effectively cooling the stirring blade 55, thereby ensuring that the nanomaterial is evenly dispersed in the matrix and preventing uneven material properties. The water flow entering the cooling pipe 552 can continuously squeeze the extrusion plate 553, and can effectively keep the dispersant solid block 554 close to the mixed material, thereby effectively reducing the viscosity and friction heat of the mixture. The cooled water will enter the connecting hole 58 through the other end of the cooling pipe 552, and then will enter another water pipe provided in the water circulation refrigeration device 3 through the connecting pipe 56, and enter the water circulation refrigeration device 3 through the other water pipe. In this way, the stirring blade 55 can be continuously and effectively cooled to ensure the uniform mixing of the nanomaterial.
[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A flame retardant TPU nanocomposite material preparation device, comprising a melt mixer (1), a control device (2) and a water circulation refrigeration device (3), characterized in that: One end of the melt mixer (1) is fixedly connected to a stirring device (5), the outer side of the stirring device (5) is fixedly connected to a control device (2), the outer side of the stirring device (5) is fixedly connected to a water circulation refrigeration device (3), and one end of the control device (2) is fixedly connected to a stirring rod (4); The stirring device (5) comprises a stirring container (51), the upper end of the stirring container (51) is fixedly connected to a fixing rod (52), the lower end of the fixing rod (52) is fixedly connected to a cooling rod (53), the bottom of the cooling rod (53) is rotatably connected to a connecting piece (54), the outer side of the connecting piece (54) is fixedly connected to a stirring blade (55), the stirring blade (55) comprises a stirring blade body (551), the inner side of the stirring blade body (551) is provided with a cooling pipe (552), the outer side of the cooling pipe (552) is slidably connected to a dispersant solid block (554), and one side of the dispersant solid block (554) is fixedly connected to an extrusion plate (553); The bottom of the connecting piece (54) is rotatably connected to a connecting pipe (56), a connecting hole (58) is provided inside the connecting pipe (56), and a pipeline (57) is provided inside the cooling rod (53).
2. The flame-retardant TPU nanocomposite material preparation device according to claim 1, characterized in that: The inner side of the fixed rod (52) is rotatably connected to the outer side of the stirring rod (4); the cooling rod (53) is hollow and arranged at the center of the bottom of the fixed rod (52); the cooling rod (53) is perpendicular to the bottom of the fixed rod (52).
3. The flame-retardant TPU nanocomposite preparation device according to claim 1, characterized in that: The fixing rod (52) is hollow, the inner side of the fixing rod (52) is fixedly connected to the water pipe of the water circulation refrigeration device (3), the bottom of the fixing rod (52) is provided with a hole, and the hole provided at the bottom of the fixing rod (52) is connected to the pipeline (57).
4. The flame-retardant TPU nanocomposite material preparation device according to claim 1, characterized in that: The pipe (57) is arranged on the inner side of the cooling rod (53), the pipe (57) is arranged in a spiral shape, the center points of the pipe (57) and the cooling rod (53) are located on the same vertical line, the cooling rod (53) and the pipe (57) are coaxial, and one end of the pipe (57) is connected to the inner side of the connecting piece (54).
5. The flame-retardant TPU nanocomposite material preparation device according to claim 1, characterized in that: Two connecting holes (58) are provided, and the connecting holes (58) connect the connecting piece (54) and the connecting pipe (56). The connecting holes (58) are symmetrically arranged, and the connecting holes (58) are parallel to each other.
6. The flame-retardant TPU nanocomposite material preparation device according to claim 1, characterized in that: Two cooling pipes (552) are provided. The cooling pipes (552) correspond to the stirring blade body (551). The cooling pipes (552) are arranged on the inner side of the stirring blade body (551). The cooling pipes (552) are U-shaped and are symmetrically arranged.
7. The flame-retardant TPU nanocomposite material preparation device according to claim 1, characterized in that: A plurality of the extrusion plates (553) and the dispersant solid blocks (554) are provided, and the extrusion plates (553) and the dispersant solid blocks (554) correspond to each other one by one. The extrusion plates (553) are provided on a side of the dispersant solid block (554) close to the cooling pipe (552). The extrusion plates (553) and the dispersant solid blocks (554) are evenly and equidistantly distributed on the inner side of the stirring blade body (551), and the outer side of the dispersant solid block (554) is slidably connected to the inner side of the stirring blade body (551).