Synthesizer of hyperbranched structure polyamide molecules
By introducing a stirring assembly and a scraper into the hyperbranched polyamide synthesis device, the problem of material adhering to the inner wall of the reactor is solved, the material is effectively scraped off and the inner wall of the reactor is cleaned, which reduces material waste and improves production efficiency.
Patent Information
- Application Number
- CN202422930192.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-11-29
AI Technical Summary
In a hyperbranched polyamide synthesis device, materials adhere to the inner wall of the reactor, resulting in material waste and difficulty in cleaning.
A synthesis tank with a stirring assembly and a scraper was designed. The stirring blades and the scraper were driven by a motor to rotate, and the inner wall of the reactor was cleaned in combination with a rotating nozzle to achieve scraping and flushing of the material.
It effectively reduces material waste, simplifies the cleaning process of the reactor, and improves production efficiency.
Smart Images

Figure CN223404935U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of chemical production, in particular to a synthesis device for hyperbranched polyamide molecules. Background Art
[0002] Hyperbranched polyamides (HPAMs) are a class of polymer materials with special topological structures. They have attracted widespread attention in recent years due to their unique physicochemical properties and potential application prospects.
[0003] The synthesis methods of hyperbranched polyamides generally include step-wise polymerization and direct polycondensation of ABx monomers. After the synthesis of hyperbranched polyamides in a reactor is completed, the synthesized materials need to be discharged from the reactor. However, some of the materials will inevitably adhere to the inner wall of the reactor, resulting in material waste and making the cleaning of the reactor difficult. Utility Model Content
[0004] The technical problem to be solved by the utility model is that after the material is discharged from the synthesis device of hyperbranched polyamide, part of the material will adhere to the inner wall of the reactor, resulting in material waste and inconvenience in cleaning the inner wall of the reactor.
[0005] In order to solve the above problems, the technical solution of the present invention is: a synthesis device for hyperbranched polyamide molecules, comprising a synthesis tank, a feed port is provided on the top of the synthesis tank, a discharge pipe is provided on the bottom, and a stirring assembly is installed inside, the stirring assembly includes a stirring shaft passing through the top surface of the synthesis tank, a motor for driving the stirring shaft to rotate is installed on the top of the synthesis tank, a plurality of mounting seats are equidistantly fixed to the side of the stirring shaft, a plurality of connecting rods are hinged on the side of the mounting seat, and a stirring blade is hinged on the other end of the connecting rod, a driving assembly for driving the connecting rod to rotate is installed on the top of the synthesis tank, a skeleton is fixed on the side of the stirring blade close to the inner wall of the synthesis tank, a mounting groove is provided on the side of the skeleton, and a scraper is installed in the mounting groove.
[0006] Furthermore, the synthesis tank includes an upper shell and a lower shell, and the upper shell and the lower shell are connected and fixed by a plurality of bolts and nuts.
[0007] Furthermore, three connecting rods are provided and are installed in a circular array on the side of the mounting seat.
[0008] Furthermore, the driving assembly includes an electric push rod installed through the top of the synthesis tank, and the output end of the electric push rod is installed with a horizontal plate inside the synthesis tank. A movable seat is installed through one end of the horizontal plate and rotatably, and a connecting rod 2 is hinged between the side of the movable seat and the connecting rod 1.
[0009] Furthermore, the movable seat is cylindrical and is sleeved on the outside of the stirring shaft. A limit strip is fixedly connected to the upper side of the stirring shaft, and a limit groove adapted to the limit strip is opened on the inner wall of the movable seat.
[0010] Furthermore, a water inlet pipe is passed through and fixedly installed on the top of the synthesis tank, the bottom of the water inlet pipe is connected to a nozzle with an arc structure, and a plurality of rotating nozzles are installed at the bottom of the nozzle.
[0011] The advantages of the present invention over the existing technology are: when the present invention cleans the residual material on the inner wall of the reaction tank, the electric push rod extends to cause the scraper to abut against the inner wall of the synthesis tank, and the motor drives the stirring blade and the skeleton to rotate, which can scrape off the material attached to the inner wall of the reaction tank and reduce the waste of material. At the same time, the inner wall of the reaction tank can be flushed by cooperating with multiple rotating nozzles, which is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a three-dimensional diagram of the present utility model.
[0013] Figure 2 This is a cross-sectional view of the utility model Figure 1 .
[0014] Figure 3 This is a cross-sectional view of the utility model Figure 2 .
[0015] Figure 4 This is a cross-sectional view of the utility model Figure 3 .
[0016] As shown in the figure: 1. Synthesis tank; 2. Discharge pipe; 3. Stirring shaft; 4. Motor; 5. Mounting seat; 6. Connecting rod 1; 7. Stirring blade; 8. Frame; 9. Scraper; 10. Electric push rod; 11. Horizontal plate; 12. Movable seat; 13. Connecting rod 2; 14. Limiting bar; 15. Water inlet pipe; 16. Nozzle; 17. Rotating nozzle. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the present invention will be clearly and completely 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; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0018] like Figure 1As shown, a synthesis device for hyperbranched polyamide molecules includes a synthesis tank 1, a feed port is provided at the top of the synthesis tank 1, a discharge pipe 2 is provided at the bottom, and a stirring assembly is installed inside. The synthesis tank 1 includes an upper shell and a lower shell, and the upper shell and the lower shell are connected and fixed by multiple bolts and nuts.
[0019] like Figure 2 、 Figure 3 and Figure 4 As shown, the stirring assembly includes a stirring shaft 3 passing through the top surface of the synthesis tank 1, a motor 4 for driving the stirring shaft 3 to rotate is installed on the top of the synthesis tank 1, a plurality of mounting seats 5 are fixedly connected to the side of the stirring shaft 3 at equal distances, a plurality of connecting rods 6 are hinged on the side of the mounting seat 5, and a stirring blade 7 is hinged on the other end of the connecting rod 6. A driving assembly for driving the connecting rod 6 to rotate is installed on the top of the synthesis tank 1, and the driving assembly includes an electric push rod 10 passing through the top of the synthesis tank 1, and a horizontal plate 11 is installed inside the synthesis tank 1 at the output end of the electric push rod 10, and a movable seat 12 is passed through and rotatably installed at one end of the horizontal plate 11, and a connecting rod 2 13 is hinged between the side of the movable seat 12 and the connecting rod 6. The movable seat 12 is cylindrical and is sleeved on the outside of the stirring shaft 3. A limiting strip 14 is fixedly connected to the upper part of the side of the stirring shaft 3, and a limiting groove adapted to the limiting strip 14 is provided on the inner wall of the movable seat 12.
[0020] A frame 8 is fixedly connected to one side of the stirring blade 7 close to the inner wall of the synthesis tank 1. A mounting groove is opened on the side of the frame 8, and a scraper 9 is installed in the mounting groove.
[0021] The motor 4 adopts a variable frequency motor with adjustable speed, which can adjust the speed according to different stages. The motor 4 drives the stirring shaft 3 to rotate, and the stirring shaft 3 drives the connecting rod 6 and the stirring blade 7 to rotate through the mounting seat 5 to achieve stirring of the material. When the synthesis reaction is carried out, the electric push rod 10 is in a retracted state. At this time, the cross plate 11 and the movable seat 12 are in a high position, and the end of the connecting rod 6 away from the stirring shaft 3 is in an upward tilted state, and there is a certain gap between the scraper 9 and the inner wall of the synthesis tank 1, which can reduce the wear of the scraper 9; when the reaction is completed, the material inside the reaction tank 1 is When discharging the residue on the inner wall of the remaining reaction tank 1, the electric push rod 10 extends, so that the horizontal plate 11 drives the movable seat 12 to move downward, and the movable seat 12 pushes the connecting rod 1 6 through the connecting rod 2 13, prompting the connecting rod 1 6 to rotate around the hinge between it and the mounting seat 5, and the stirring blade 7 moves outward and downward, and the scraper 9 abuts against the inner wall of the synthesis tank 1. The motor 4 drives the stirring blade 7 and the skeleton 8 to rotate, which can scrape off the material attached to the inner wall of the reaction tank 1, reduce material waste, and facilitate the later cleaning of the inner wall of the reaction tank 1.
[0022] like Figure 1 、 Figure 3 and Figure 4As shown, a water inlet pipe 15 is passed through and fixedly installed on the top of the synthesis tank 1 , and the bottom of the water inlet pipe 15 is connected to a nozzle 16 with an arc structure, and a plurality of rotating nozzles 17 are installed at the bottom of the nozzle 16 .
[0023] After the materials on the inner wall of the reaction tank 1 are cleaned, the water inlet pipe 15 is connected to an external high-pressure water supply pipe, and the inner wall of the reaction tank 1 can be flushed through the multiple rotating nozzles 17.
[0024] In specific use, the motor 4 drives the connecting rod 6 and the stirring blade 7 to rotate through the stirring shaft 3 and the mounting seat 5 to achieve stirring of the material. When cleaning the residual material on the inner wall of the reaction tank 1, the electric push rod 10 extends to cause the scraper 9 to abut against the inner wall of the synthesis tank 1. The motor 4 drives the stirring blade 7 and the skeleton 8 to rotate, which can scrape off the material attached to the inner wall of the reaction tank 1 and reduce material waste; the water inlet pipe 15 is connected to the external high-pressure water supply pipe, and the inner wall of the reaction tank 1 can be flushed through multiple rotating nozzles 17.
[0025] The undisclosed parts in the present invention are all prior art, and their specific structures and working principles are not described in detail here.
[0026] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
[0028] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.
Claims
1. A device for synthesizing hyperbranched polyamide molecules, comprising a synthesis tank (1), wherein the synthesis tank (1) is provided with a feed inlet at the top, a discharge pipe (2) at the bottom, and a stirring assembly installed inside, characterized in that: The stirring assembly includes a stirring shaft (3) passing through the top surface of the synthesis tank (1); a motor (4) for driving the stirring shaft (3) to rotate is installed on the top of the synthesis tank (1); a plurality of mounting seats (5) are fixedly connected to the side of the stirring shaft (3) at equal intervals; a plurality of connecting rods (6) are hingedly connected to the side of the mounting seat (5); a stirring blade (7) is hingedly connected to the other end of the connecting rod (6); a driving assembly for driving the connecting rod (6) to rotate is installed on the top of the synthesis tank (1); a frame (8) is fixedly connected to the side of the stirring blade (7) close to the inner wall of the synthesis tank (1); a mounting groove is opened on the side of the frame (8), and a scraper (9) is installed in the mounting groove.
2. The device for synthesizing hyperbranched polyamide molecules according to claim 1, wherein: The synthesis tank (1) comprises an upper shell and a lower shell, and the upper shell and the lower shell are connected and fixed by a plurality of bolts and nuts.
3. The device for synthesizing hyperbranched polyamide molecules according to claim 1, wherein: The connecting rods (6) are provided in three numbers and are mounted on the side of the mounting seat (5) in a circular array.
4. The device for synthesizing hyperbranched polyamide molecules according to claim 1, wherein: The driving assembly includes an electric push rod (10) installed through the top of the synthesis tank (1), the output end of the electric push rod (10) is installed with a horizontal plate (11) inside the synthesis tank (1), one end of the horizontal plate (11) is passed through and rotatably installed with a movable seat (12), and a connecting rod 2 (13) is hinged between the side surface of the movable seat (12) and the connecting rod 1 (6).
5. The device for synthesizing hyperbranched polyamide molecules according to claim 4, characterized in that: The movable seat (12) is cylindrical and sleeved on the outside of the stirring shaft (3). The upper part of the side of the stirring shaft (3) is fixedly connected to a limit strip (14). The inner wall of the movable seat (12) is provided with a limit groove adapted to the limit strip (14).
6. The device for synthesizing hyperbranched polyamide molecules according to claim 1, wherein: A water inlet pipe (15) is passed through and fixedly installed on the top of the synthesis tank (1), the bottom of the water inlet pipe (15) is connected to a spray pipe (16) with an arc structure, and a plurality of rotating spray heads (17) are installed at the bottom of the spray pipe (16).
Citation Information
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