Polymerization reaction stirrer for chinlon particles

Abstract

The utility model discloses a chinlon particle polymerization reaction stirrer which comprises a base, a stirring tank is arranged above the base, a rotating chassis is arranged on the bottom surface of the stirring tank, the bottom surface of the rotating chassis is connected with the base through a coupling assembly, a stirring shaft is fixed on the top surface of the rotating chassis, and a stirring rod is arranged at the bottom of the stirring shaft. A stirring cutter is arranged on the side part of the stirring shaft. The rotary chassis capable of driving chinlon particles to turn over is arranged at the bottom of the stirring tank, so that the chinlon particles in the stirring tank are disturbed to the greatest extent, uniform reaction of the particles is ensured, and the four stirring rods which are rotationally and symmetrically distributed are arranged at the bottom of the stirring shaft, so that the particles are effectively prevented from being deposited; and the stirring cutters can ensure good mixing of chinlon particles through shearing force generated by rotation, the provided shearing force is kept in a proper range by limiting the number of the stirring cutters, and agglomeration caused by too small shearing force and breakage of polymer molecular chains caused by too large shearing force are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of nylon processing, in particular to a nylon particle polymerization reaction stirrer. Background Art

[0002] Nylon is an important synthetic fiber, and its production process generally involves a polymerization reaction. In this process, monomers (such as caprolactam or adipic acid and hexamethylenediamine) are polymerized under specific conditions to form a high molecular weight polymer.

[0003] However, during the polymerization reaction of nylon particles, existing agitators have many shortcomings and cannot fully meet the special reaction requirements of nylon particles. Traditional stirring devices often extend from the top of the stirring tank to stir the materials inside, but nylon particles are very easy to stick together during the reaction, resulting in the nylon particles easily agglomerating during the stirring process. They are also easily deposited and adhere to the bottom of the stirring tank and cannot be stirred by the stirring device, thereby affecting the uniformity of the reaction and the quality of the product. Utility Model Content

[0004] The purpose of the utility model is to provide a nylon particle polymerization reaction stirrer, which, by setting a rotating chassis and cooperating with a stirring rod, drives the nylon particles to turn in the stirring tank to the greatest extent, improves the uniformity of the polymerization reaction, and sets a stirring blade to provide appropriate shear force to prevent the particles from agglomerating, thereby solving the problems in the prior art.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A nylon particle polymerization reaction agitator comprises a base, a stirring tank is installed above the base, a rotating chassis is provided on the bottom surface of the stirring tank, the bottom surface of the rotating chassis is connected to the base via a coupling assembly, a stirring shaft is fixed to the top surface of the rotating chassis, a stirring rod is provided at the bottom of the stirring shaft, and a stirring blade is provided on the side of the stirring shaft.

[0007] Preferably, a placement groove for accommodating the mixing tank is provided on the top of the base, a plurality of engaging grooves are provided on the side wall of the placement groove, and engaging blocks corresponding to the engaging grooves are fixed at the lower position of the side of the mixing tank.

[0008] Preferably, the coupling assembly includes a first coupling member and a second coupling member, a mounting groove is opened at the center position of the placement groove, the first coupling member is arranged in the mounting groove, and a rotating shaft is provided at the bottom of the first coupling member, which passes through the base and is connected to the driving motor inside the base.

[0009] Preferably, the second coupling is fixed at the bottom center of the rotating chassis, and the second coupling is inserted into the slot provided in the first coupling and is engaged and connected with the first coupling.

[0010] Preferably, the rotating chassis passes through the bottom plate of the mixing tank, and the rotating chassis is connected to the bottom plate of the mixing tank via a sealed bearing.

[0011] Preferably, the thickness of the first coupling is equal to the depth of the installation groove, and the thickness of the second coupling is equal to the depth of the clamping groove.

[0012] Preferably, the bottom end of the stirring shaft is fixed to the center position of the top surface of the rotating chassis.

[0013] Preferably, there are four stirring rods in total and they are distributed in rotational symmetry, and the bottom surfaces of the stirring rods fit in contact with the bottom plate of the stirring tank.

[0014] Preferably, the stirring blades are distributed in a spiral manner, and the number of the stirring blades is not less than three.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] 1. The utility model provides a rotating chassis at the bottom of the stirring tank that can drive the nylon particles to turn over, thereby causing disturbance to the nylon particles in the stirring tank to the greatest extent and ensuring uniform reaction of the particles. Four stirring rods are provided at the bottom of the stirring shaft in a rotationally symmetrical manner to effectively prevent particle deposition and scrape off the reactants on the bottom side of the stirring tank during rotation to avoid excessive adhesion that affects the polymerization reaction.

[0017] 2. In the present invention, the side of the stirring shaft is equipped with spirally distributed stirring blades. The shear force generated by the rotation can ensure good mixing of the nylon particles and avoid particle agglomeration. By limiting the number of stirring blades, the shear force provided is kept within an appropriate range to prevent agglomeration caused by too little shear force and breakage of polymer molecular chains caused by too much shear force. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the overall structural assembly drawing of the utility model;

[0019] Figure 2 This is a disassembled diagram of the overall structure of the utility model;

[0020] Figure 3 This is a bottom view of the mixing tank of the present utility model;

[0021] Figure 4 This is an axonometric diagram of the internal structure of the mixing tank of the present invention;

[0022] Figure 5 This is a plan view of the internal structure of the stirring tank of the present invention.

[0023] In the figure: 1. Base; 2. Mixing tank; 3. Rotating chassis; 4. Mixing shaft; 5. Stirring rod; 6. Mixing blade; 7. Placement slot; 8. Engaging slot; 9. Engaging block; 10. Mounting slot; 11. First coupling; 12. Second coupling; 13. Engaging slot; 14. Sealed bearing. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] In order to solve the problem that the stirring tank in the prior art cannot fully stir and mix the nylon particles and the reactants, and cannot effectively prevent the particles from agglomerating, the following technical solution is provided. Please refer to Figure 1-5 ;

[0026] A nylon particle polymerization reaction agitator includes a base 1, a stirring tank 2 is installed above the base 1, a placement groove 7 for accommodating the stirring tank 2 is provided on the top of the base 1, a plurality of engaging grooves 8 are opened on the side wall of the placement groove 7, and a snap block 9 corresponding to the engaging groove 8 is fixed at the lower position of the side of the stirring tank 2. When the stirring tank 2 is placed in the placement groove 7, the engaging block 9 is aligned with the engaging groove 8 and inserted into the engaging groove to connect the stirring tank 2 to the base 1. When the stirring tank 2 needs to be cleaned, the stirring tank 2 only needs to be disengaged from the base 1, which is convenient for transportation and cleaning.

[0027] A rotating chassis 3 is provided on the bottom plate of the mixing tank 2 . The rotating chassis 3 is connected to the bottom plate of the mixing tank 2 via a sealed bearing 14 . The rotating chassis 3 can rotate in the sealed bearing 14 .

[0028] An installation groove 10 is opened at the center position of the placement groove 7, and a first coupling 11 is provided in the installation groove 10. The thickness of the first coupling 11 is equal to the depth of the installation groove 10. A rotating shaft is provided at the bottom of the first coupling 11, which passes through the base 1 and is connected to the driving motor inside the base 1; a second coupling 12 is fixed at the bottom center position of the rotating chassis 3, and the second coupling 12 is inserted into the slot 13 set in the first coupling 11. The thickness of the second coupling 12 is equal to the depth of the slot 13. When the second coupling 12 is inserted into the slot 13, the driving motor drives the first coupling 11 to rotate, and then drives the rotating chassis 3 to rotate through the second coupling 12. The rotating chassis 3 stirs the nylon particles from the bottom of the mixing tank 2, which can maximize the activity of the nylon particles and improve the reaction rate of the nylon particles.

[0029] A stirring shaft 4 is fixed at the center of the top surface of the rotating chassis 3, and a stirring rod 5 is provided at the bottom of the stirring shaft 4. There are four stirring rods 5 in total and they are rotationally symmetrically distributed. The bottom surface of the stirring rod 5 fits with the bottom plate of the stirring tank 2. On the one hand, the stirring rod 5 can drive the nylon particles at the bottom of the stirring tank 2 to move, thereby preventing the particles from settling to the greatest extent. On the other hand, the stirring rod 5 can scrape off the nylon reactant on the bottom side of the stirring tank 2 during the rotation process, thereby preventing excessive adhesion and insufficient polymerization reaction.

[0030] A stirring blade 6 is provided on the side of the stirring shaft 4, and the stirring blade 6 is distributed in a spiral shape. The number of the stirring blades 6 is not less than three and not more than six. Using the stirring blade 6 for stirring can ensure good mixing while applying appropriate shear force to the nylon particles to avoid agglomeration of the nylon particles.

[0031] Working Principle: When the drive motor starts, the first coupling 11 drives the second coupling 12 to rotate, thereby rotating the rotating chassis 3. A stirring shaft 4 is fixed to the center of the top surface of the rotating chassis 3. Four stirring rods 5 are arranged at the bottom of the stirring shaft 4 and are symmetrically distributed. The bottom surface of the stirring rods 5 is in contact with the bottom plate of the stirring tank 2, which can effectively prevent particle deposition and scrape the reactants on the bottom of the stirring tank 2 during rotation to avoid excessive adhesion and affect the reaction. The side of the stirring shaft 4 is equipped with a spirally distributed stirring blade 6, with no less than three in number. The shear force generated by the rotation ensures good mixing of the nylon particles, while preventing particle agglomeration and improving the reaction rate and uniformity.

[0032] 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.

[0033] Although the 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 these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A nylon particle polymerization stirrer, comprising a base (1), characterized in that: A stirring tank (2) is installed above the base (1); a rotating chassis (3) is provided on the bottom surface of the stirring tank (2); the bottom surface of the rotating chassis (3) is connected to the base (1) via a coupling assembly; a stirring shaft (4) is fixed to the top surface of the rotating chassis (3); a stirring rod (5) is provided at the bottom of the stirring shaft (4); and a stirring blade (6) is provided on the side of the stirring shaft (4).

2. A nylon particle polymerization agitator according to claim 1, characterized in that: The top of the base (1) is provided with a placement groove (7) for accommodating the stirring tank (2); a plurality of engaging grooves (8) are provided on the side wall of the placement groove (7); and engaging blocks (9) corresponding to the engaging grooves (8) are fixed at the lower side of the stirring tank (2).

3. The nylon particle polymerization reaction agitator according to claim 2, characterized in that: The coupling assembly comprises a first coupling member (11) and a second coupling member (12); a mounting groove (10) is provided at the center of the placement groove (7); the first coupling member (11) is arranged in the mounting groove (10); a rotating shaft is provided at the bottom of the first coupling member (11); the rotating shaft passes through the base (1) and is connected to a driving motor inside the base (1).

4. The nylon particle polymerization reaction agitator according to claim 3, characterized in that: The second coupling (12) is fixed at the bottom center of the rotating chassis (3), and the second coupling (12) penetrates into the slot (13) provided in the first coupling (11) and is engaged and connected with the first coupling (11).

5. The nylon particle polymerization agitator according to claim 4, characterized in that: The rotating chassis (3) passes through the bottom plate of the stirring tank (2), and the rotating chassis (3) and the bottom plate of the stirring tank (2) are connected via a sealed bearing (14).

6. The nylon particle polymerization reaction agitator according to claim 5, characterized in that: The thickness of the first coupling member (11) is equal to the depth of the installation groove (10), and the thickness of the second coupling member (12) is equal to the depth of the clamping groove (13).

7. The nylon particle polymerization reaction agitator according to claim 6, characterized in that: The bottom end of the stirring shaft (4) is fixed to the center position of the top surface of the rotating chassis (3).

8. The nylon particle polymerization reaction agitator according to claim 7, characterized in that: There are four stirring rods (5) in total and they are distributed in a rotationally symmetrical manner. The bottom surfaces of the stirring rods (5) fit in contact with the bottom plate of the stirring tank (2).

9. The nylon particle polymerization reaction agitator according to claim 8, characterized in that: The stirring blades (6) are distributed in a spiral manner, and the number of the stirring blades (6) is not less than three.

Images