CN217021048U - Improve dispersion devices of polyurethane raw materials homogeneity - Google Patents
Improve dispersion devices of polyurethane raw materials homogeneity Download PDFInfo
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- CN217021048U CN217021048U CN202220831056.1U CN202220831056U CN217021048U CN 217021048 U CN217021048 U CN 217021048U CN 202220831056 U CN202220831056 U CN 202220831056U CN 217021048 U CN217021048 U CN 217021048U
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Abstract
The utility model relates to a dispersing device for improving the uniformity of a polyurethane raw material, and mainly solves the problems that in the prior art, the polyurethane raw material is easy to layer after being stored in a barrel for a long time, but the dispersing device is inconvenient to move and insufficient in stirring. The utility model adopts a dispersing device for improving the uniformity of polyurethane raw materials, which comprises a stirrer shell (1), a dispersing rod (2) and a control switch (3), wherein the stirrer shell (1) is provided with a handheld part (1-1) and a driving mechanism connected with the dispersing rod (2) and the control switch (3), the dispersing rod (2) is movably connected with the stirrer shell (1), the outer surface of one end of the dispersing rod (2) is provided with a thread, the other end of the dispersing rod is provided with a threaded hole matched with the thread, and the thread and the threaded hole form a connecting structure (4) which is connected among a plurality of dispersing rods (2), so that the length of the dispersing rods can be adjusted.
Description
Technical Field
The utility model relates to the field of polyurethane foaming, in particular to a dispersing device for improving the uniformity of a polyurethane raw material.
Background
The raw materials are effectively mixed through a disperser to obtain the composite material with better uniformity when the polyurethane composite material is foamed. A certain time interval exists from the production to the complete use of the combined material, and in order to ensure the stability of polyurethane foaming and reduce the probability of problems of products, a plurality of foaming manufacturers premix the combined material, namely, the combined material is firstly placed in a premixing kettle with a larger opening and then placed under a fixed disperser; or fix former storage bucket, the rotation through the motor drives the rotation of former storage bucket to reach the premixed purpose of combined material, these works very big increase work load, so, develop a more convenient dispersion devices and have very high using value and realistic meaning.
Chinese patent CN204107406U provides a chemical resin barreled dispersing device, which comprises a horizontal dispersing barrel disposed on a base, wherein the dispersing barrel is driven by a motor and rotates on the base, a support shaft is axially disposed at the center of the dispersing barrel, one end of the support shaft is fixedly connected with the base, and the device can replace the traditional manual stirring dispersing mode, thereby reducing labor intensity, improving working efficiency and dispersing effect, but the device cannot be moved and is inconvenient to be brought to a customer site where premixing cannot be performed.
Chinese patent CN209271222U discloses a senior deconcentrator, including the multiunit enclose and close up formation circular shape blading, every group there is not less than 60 contained angles in the horizontal direction between blade and the blade, with the help of the cooperation between blade and the blade, realizes the purpose of stirring, but the device only is applicable to the great cauldron that mixes in advance of opening, can not satisfy the premixing of the barreled raw materials that have packed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that polyurethane raw materials are easy to layer after being stored in a barrel for a long time in the prior art, but a dispersing device is inconvenient to move and insufficient in stirring, and provides the dispersing device for improving the uniformity of the polyurethane raw materials.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a dispersing device for improving the uniformity of polyurethane raw materials comprises a stirrer shell 1, dispersing rods 2 and a control switch 3, wherein the stirrer shell 1 is provided with a handheld part 1-1 and a driving mechanism connected with the dispersing rods 2 and the control switch 3, one end of each dispersing rod 2 is movably connected with the end part of the stirrer shell 1, the outer surface of one end of each dispersing rod 2 is provided with a thread, the other end of each dispersing rod 2 is provided with a threaded hole matched with the thread, and the threads and the threaded holes form a connecting structure 4 for connecting the dispersing rods 2 so as to adjust the length of the dispersing rods; the dispersing rod 2 is also provided with a fixed frame 5 and dispersing paddle blades 6, the dispersing rod 2 penetrates through the fixed frame 5, the dispersing paddle blades 6 are connected with the fixed frame 5 through a connecting shaft 5-1, and the dispersing paddle blades 6 can rotate 180 degrees on a plane vertical to the central line of the connecting shaft 5-1.
Further, the connecting shaft 5-1 is formed by screwing a screw and a nut.
Furthermore, the driving mechanism is provided with a rotating speed regulator, and the rotating speed regulator is connected with the control switch 3.
The utility model provides a dispersing device for improving the uniformity of a polyurethane raw material, the length of a dispersing rod of the dispersing device is adjustable, dispersing paddle blades can rotate up and down, dispersing rods with different lengths and different numbers of dispersing paddle blades can be selected according to the size and the caliber of a raw material barrel, and the dispersing rods and the dispersing paddle blades can be directly placed into the raw material barrel for premixing and stirring, so that the stirring is more sufficient, the raw material is dispersed more uniformly after stirring, and the problem of foaming quality caused by poor uniformity of the raw material is avoided; and the device is convenient to disassemble and carry, solves the problem that the traditional disperser is inconvenient to move, and obtains better technical effect.
Drawings
FIG. 1 is a schematic structural diagram of a dispersing device for improving the uniformity of polyurethane raw materials.
In the attached figure 1, 1 is a stirrer shell, 1-1 is a handheld part, 2 is a dispersion rod, and 3 is a control switch.
Fig. 2 is a schematic view of the structure of the dispersion bar 2.
In the attached figure 2, 2 is a dispersing rod, 5 is a fixing frame, 5-1 is a connecting shaft, and 6 is a dispersing paddle blade.
Fig. 3 is a schematic view showing the connection of a plurality of dispersion rods 2.
In fig. 3, 2 is a dispersion rod, and 4 is a connection structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
[ example 1 ] A method for producing a polycarbonate
A dispersing device for improving the uniformity of polyurethane raw materials comprises a stirrer shell 1, a dispersing rod 2 and a control switch 3, wherein the stirrer shell 1 is provided with a handheld part 1-1 and a driving mechanism connected with the dispersing rod 2 and the control switch 3, the driving mechanism is also provided with a rotating speed regulator, and the rotating speed regulator is connected with the control switch 3; the dispersing rods 2 are connected with the end part of the stirrer shell 1 in a plugging and pulling manner, the outer surface of one end of each dispersing rod 2 is provided with a thread, the other end of each dispersing rod 2 is provided with a threaded hole matched with the thread, and the threads and the threaded holes form a connecting structure 4 for connecting the dispersing rods 2 so as to adjust the length of each dispersing rod; the dispersing rod 2 is provided with a fixing frame 5 and dispersing paddle blades 6, the dispersing rod 2 penetrates through the fixing frame 5, the dispersing paddle blades 6 are connected with the fixing frame 5 through a connecting shaft 5-1, and the connecting shaft 5-1 is formed by screwing a screw and a nut; the dispersing blades 6 are rotated 180 DEG on a plane perpendicular to the center line of the connecting shaft 5-1.
The specific operation is as follows:
(1) the length of the dispersing rod is adjusted to be 50cm according to the height of the 30L raw material barrel;
(2) adjusting the number of the dispersing paddle blades to be 2 according to the viscosity of the raw material;
(3) placing the assembled dispersing device in a raw material barrel through a barrel opening;
(4) setting the rotating speed of the dispersing device to be 1000r/s, and holding a handheld part of the dispersing device to stir the raw materials;
(5) after stirring, sampling and testing the viscosity of the raw material to be V1Changing the sampling position to perform secondary sampling to obtain the viscosity V of the raw material2The concrete viscosity values are shown in Table 1.
[ examples 2 to 3 ]
Examples 2 to 3 were carried out by using the dispersing apparatus and the respective steps in example 1, and the differences were the volume of the raw material barrel, the length of the dispersing rod, the number of the dispersing blades, and the number of the rotating speeds, which are specifically shown in table 1.
TABLE 1 parameters of dispersing apparatus and raw material viscosity in examples 1 to 3
In Table 1, the test standard for the viscosity of the raw materials is GB/T12008.7-2010.
As shown in table 1, the viscosity data of the raw materials after stirring and mixing are shown in table 1, the dispersing device provided by the utility model can achieve the purpose of premixing the raw materials by changing the length of the dispersing rod and the number of the dispersing blades in the raw material barrels with different sizes, and after mixing, the viscosities measured by sampling the raw materials at different positions are basically consistent, so that the stirring is more sufficient, and the raw materials are dispersed more uniformly; and the dispersing device also has the advantages of direct disassembly after use, convenient carrying and convenient movement, obtains better technical effect and can be used for the industrial application of premixing of polyurethane combined materials.
Claims (3)
1. A dispersing device for improving the uniformity of polyurethane raw materials comprises a stirrer shell (1), dispersing rods (2) and a control switch (3), wherein the stirrer shell (1) is provided with a handheld part (1-1) and a driving mechanism connected with the dispersing rods (2) and the control switch (3), and is characterized in that the dispersing rods (2) are movably connected with the end part of the stirrer shell (1), the outer surface of one end of each dispersing rod (2) is provided with a thread, the other end of each dispersing rod is provided with a threaded hole matched with the thread, and the threads and the threaded holes form a connecting structure (4) for connecting a plurality of dispersing rods (2) mutually so as to adjust the length of the dispersing rods; the dispersing rod (2) is further provided with a fixing frame (5) and dispersing paddle blades (6), the dispersing rod (2) penetrates through the fixing frame (5), the dispersing paddle blades (6) are connected with the fixing frame (5) through a connecting shaft (5-1), and the dispersing paddle blades (6) can rotate 180 degrees on a plane vertical to the central line of the connecting shaft (5-1).
2. The dispersing device for improving the uniformity of polyurethane raw material according to claim 1, wherein the connecting shaft (5-1) is formed by screwing a screw and a nut.
3. The dispersing device for improving the uniformity of polyurethane raw materials according to claim 1, wherein: the driving mechanism is provided with a rotating speed regulator, and the rotating speed regulator is connected with the control switch (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220831056.1U CN217021048U (en) | 2022-04-12 | 2022-04-12 | Improve dispersion devices of polyurethane raw materials homogeneity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220831056.1U CN217021048U (en) | 2022-04-12 | 2022-04-12 | Improve dispersion devices of polyurethane raw materials homogeneity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217021048U true CN217021048U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220831056.1U Active CN217021048U (en) | 2022-04-12 | 2022-04-12 | Improve dispersion devices of polyurethane raw materials homogeneity |
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| Country | Link |
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| CN (1) | CN217021048U (en) |
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- 2022-04-12 CN CN202220831056.1U patent/CN217021048U/en active Active
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