Reaction kettle for producing polyurethane material
By designing curved grooves and multiple gear systems in the polyurethane material production reactor, the agitating rod is driven to circle and move up and down, the problem of uneven stirring is solved and a more uniform and effective stirring effect is achieved.
Patent Information
- Application Number
- CN202420799280.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-17
AI Technical Summary
The existing polyurethane material production reactor has the problem of uneven and insufficient stirring during the stirring process, especially when the second stirring rod and the third stirring rod are stirred around the first stirring rod, the stirring movement is too circulated.
A new reactor was designed. The inner wall of the tank was equipped with a curved groove and an upper and lower mechanism was installed inside. The second rotating shaft drove the second gear and the agitating rod to circle and move up and down, and combined with the first stirring rod to drive the agitating block. Rotate individually to achieve uniform and irregular stirring through multiple sets of agitating blocks and gear systems.
A uniform stirring of the materials inside the reactor is achieved, preventing the stirring movement from being overly circulated, and improving the stirring effect.
Smart Images

Figure CN222131915U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of reaction kettles for producing polyurethane materials, in particular to a reaction kettle for producing polyurethane materials. Background Art
[0002] Polyurethane is a widely used polymer material made from polyols and isocyanates through a condensation reaction. It has multiple properties, excellent mechanical properties, a wide range of applications, and thermal insulation effects.
[0003] The existing patent CN215196937U discloses a reaction kettle for the production of polyurethane materials. The polyurethane production raw materials are added into the kettle body through a feed pipe, and the external heat exchange medium enters the annular inner cavity through a liquid inlet pipe, and the heat exchange medium flows out of the annular inner cavity through a liquid outlet pipe. The heat exchange medium can keep the kettle body at a stable temperature, and the drive motor is started. The drive motor drives the first stirring rod to rotate, and the connecting rod follows the first stirring rod to rotate. The connecting rod drives the second stirring rod and the third stirring rod to rotate around the first stirring rod. During this process, the first gear and the second gear rotate along the gear ring to realize the self-rotation of the first gear and the second gear, the first gear drives the second stirring rod to rotate, and the second gear drives the third stirring rod to rotate. During the rotation of the first stirring rod, the polyurethane production raw materials in the kettle body are stirred, and during the rotation of the second stirring rod and the third stirring rod around the first stirring rod, they realize self-rotation, and the polyurethane production raw materials in the kettle body are further stirred.
[0004] In the existing device, when the second stirring rod and the third stirring rod are stirring around the first stirring rod, the stirring motion inside the device is too cyclical, resulting in uneven and insufficient stirring. Utility Model Content
[0005] The utility model aims to provide a reactor for the production of polyurethane materials to solve the problem in the above-mentioned background technology that when the second stirring rod and the third stirring rod stir around the first stirring rod, the stirring movement inside the device is too cyclic, resulting in uneven and insufficient stirring.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reactor for the production of polyurethane materials, the inner wall of the tank body is provided with a curved groove, the interior of the tank body is provided with an upper and lower mechanism, the upper and lower mechanism is provided with a No. 2 rotating shaft, the outer side of the No. 2 rotating shaft is fixed with a No. 2 gear, when the fixed plate rotates, the No. 2 gear is driven to make a circular motion, the No. 2 gear drives the No. 2 gear to rotate by contacting with the gear ring, the bottom end of the inner wall of the No. 2 rotating shaft is provided with a plurality of groups of sliding grooves, the bottom end of the inside of the No. 2 rotating shaft is slidably connected with a fixed column, the outer side of the fixed column is fixed with a plurality of groups of sliding blocks, the bottom of the fixed column is fixed with a circular plate, the No. 2 gear drives the No. 2 stirring rod to rotate, and the fixed plate drives the circular plate to rotate when it rotates, and the outer side of the circular plate is rotatably connected with a roller.
[0007] Preferably, the slider is slidably connected to the inside of the slide groove, the roller is arranged inside the curved groove, and the circular plate drives the roller to make a circular motion. When the roller makes a circular motion, it drives the roller to move up and down by sliding inside the curved groove. A No. 2 stirring rod is fixed to the bottom of the circular plate, and the circular plate drives the No. 2 stirring rod to move up and down. The No. 2 stirring rod rotates, makes a circular motion and moves up and down, and the fixed plate drives the No. 2 stirring rod in the upper and lower mechanisms to stir in a circular motion inside the tank body.
[0008] Preferably, a gear ring is fixed at the top of the curved groove inside the tank body, the gear ring is meshed with the second gear, and a liquid inlet pipe is arranged on the outside of the tank body.
[0009] Preferably, a fixing seat is fixed on the top of the tank body, a motor is installed inside the fixing seat, a direction mechanism is provided in the middle part of the tank body, the direction mechanism is provided with a stirring rod No. 1, the top end of the stirring rod No. 1 is fixedly connected to the output end of the motor, a plurality of stirring blocks are provided on the outer side of the stirring rod No. 1, the contact between the gear No. 1 and the tooth groove drives the gear No. 1 to rotate, the gear No. 1 drives the stirring block to rotate, one end of the stirring block is fixed with a gear No. 1, the starting motor drives the stirring rod No. 1 to rotate, the rotation of the stirring rod No. 1 drives the gear No. 1 to draw a circle, the gear No. 1 runs through the interior of the stirring rod No. 1, and the gear No. 1 is rotatably connected to the stirring rod No. 1.
[0010] Preferably, a No. 1 rotating shaft is arranged inside the No. 1 stirring rod, and the stirring block is driven to rotate through the No. 1 stirring rod and the No. 1 gear drives the stirring block body to rotate independently. Multiple groups of annular grooves are arranged on the outer side of the No. 1 rotating shaft, and the inner wall of the annular groove is provided with tooth grooves.
[0011] Preferably, the tooth groove is meshed with the No. 1 gear, and a fixing plate is fixed on the outer side of the No. 1 stirring rod and located on the top of the stirring block.
[0012] Preferably, circular holes are provided on both sides of the fixing plate, and the interior of the circular holes is rotatably connected to the second rotating shaft.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. Through the stirring block, the stirring rod No. 1 drives the stirring block to rotate and the gear No. 1 drives the stirring block body to rotate separately, so as to evenly stir the center of the tank body.
[0015] 2. Through the provided curved groove, when the roller makes circular motion, it drives the roller to move up and down by sliding inside the curved groove, and the roller drives the second stirring rod to move up and down. The second stirring rod rotates, makes circular motion and moves up and down, thereby performing irregular stirring. 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 overall internal structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the first rotating shaft of the utility model;
[0019] Figure 4 This is a schematic diagram of the structure of the second stirring rod of the utility model.
[0020] In the figure: 1. tank body; 101. liquid inlet pipe; 102. fixing seat; 103. gear ring; 104. curved groove; 2. motor; 3. direction mechanism; 301. stirring rod No. 1; 302. stirring block; 303. gear No. 1; 304. rotating shaft No. 1; 305. annular groove; 306. gear groove; 4. fixing plate; 401. round hole; 5. upper and lower mechanism; 501. rotating shaft No. 2; 502. gear No. 2; 503. slide groove; 504. fixing column; 505. slide block; 506. stirring rod No. 2; 507. round plate; 508. roller. DETAILED DESCRIPTION
[0021] 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.
[0022] A reactor for the production of polyurethane materials, such as Figure 1 , 24, comprising a tank body 1, the inner wall of the tank body 1 is provided with a curved groove 104, the interior of the tank body 1 is provided with an upper and lower mechanism 5, the upper and lower mechanism 5 is provided with a No. 2 rotating shaft 501, the outer side of the No. 2 rotating shaft 501 is fixed with a No. 2 gear 502, when the fixed plate 4 rotates, it drives the No. 2 gear 502 to draw a circle, the No. 2 gear 502 drives the No. 2 gear 502 to rotate by contacting with the gear ring 103, a plurality of groups of sliding grooves 503 are provided at the bottom end of the inner wall of the No. 2 rotating shaft 501, the bottom end of the No. 2 rotating shaft 501 is slidably connected with a fixed column 504, a plurality of groups of sliding blocks 505 are fixed to the outer side of the fixed column 504, a circular plate 507 is fixed to the bottom of the fixed column 504, the No. 2 gear 502 drives the No. 2 stirring rod 506 to rotate, when the fixed plate 4 rotates, it drives the circular plate 507 to rotate, and the outer side of the circular plate 507 is rotatably connected with a roller 508;
[0023] When the fixed plate 4 rotates, the circular plate 507 is driven to rotate, and the circular plate 507 drives the roller 508 to draw a circular motion.
[0024] The slider 505 is slidably connected to the inside of the slide groove 503, and the roller 508 is arranged inside the curved groove 104. The circular plate 507 drives the roller 508 to draw a circular motion. When the roller 508 draws a circular motion, it drives the roller 508 to move up and down by sliding inside the curved groove 104. A second stirring rod 506 is fixed at the bottom of the circular plate 507. The circular plate 507 drives the second stirring rod 506 to move up and down. The second stirring rod 506 rotates, draws a circular motion and moves up and down. The fixed plate 4 drives the second stirring rod 506 in the upper and lower mechanisms 5 to stir the inside of the tank body 1 by drawing a circular motion. A gear ring 103 is fixed at the top of the curved groove 104 inside the tank body 1. The gear ring 103 is meshed with the second gear 502. The outer side of the tank body 1 is provided with a liquid inlet pipe 101;
[0025] The second stirring rod 506 is rotated, moves in a circle and moves up and down, thereby performing irregular stirring.
[0026] It should be noted that the No. 2 stirring rod 506 in the upper and lower mechanisms 5 is driven by the fixed plate 4 to stir in a circular motion inside the tank body 1. When the fixed plate 4 rotates, it drives the No. 2 gear 502 to make a circular motion. The No. 2 gear 502 drives the No. 2 stirring rod 506 to rotate by contacting with the gear ring 103. The No. 2 gear 502 drives the No. 2 stirring rod 506 to rotate. When the fixed plate 4 rotates, it drives the circular plate 507 to rotate. The circular plate 507 drives the roller 508 to make a circular motion. When the roller 508 makes a circular motion, it drives the roller 508 to move up and down by sliding inside the curved groove 104. The roller 508 drives the circular plate 507 to move up and down. The circular plate 507 drives the No. 2 stirring rod 506 to move up and down. The No. 2 stirring rod 506 rotates, makes a circular motion, and moves up and down, so as to perform irregular stirring, thereby preventing the stirring motion from being too cyclical and causing the problem of uneven and insufficient stirring.
[0027] Please pay attention to Figure 1 , 2 3. A fixing seat 102 is fixed on the top of the tank body 1, and a motor 2 is installed inside the fixing seat 102. A direction mechanism 3 is arranged in the middle of the tank body 1. The direction mechanism 3 is provided with a stirring rod 301. The top of the stirring rod 301 is fixedly connected to the output end of the motor 2. A plurality of stirring blocks 302 are arranged on the outer side of the stirring rod 301. The contact between the gear 303 and the tooth groove 306 drives the stirring block 302 to rotate. The gear 303 is fixed to one end of the stirring block 302. The motor 2 is started to drive the stirring rod 301 to rotate. The stirring rod 301 rotates and drives the gear 303 to draw a circle. The gear 303 runs through the stirring rod 301, and the gear 303 is rotatably connected to the stirring rod 301.
[0028] The stirring rod 301 drives the stirring block 302 to rotate and the gear 303 drives the stirring block 302 body to rotate independently, so as to stir the center of the tank body 1 uniformly.
[0029] The first rotating shaft 304 is arranged inside the first stirring rod 301, and the stirring block 302 is driven to rotate by the first stirring rod 301 and the stirring block 302 body is driven to rotate independently by the first gear 303. The outer side of the first rotating shaft 304 is provided with multiple groups of annular grooves 305, and the inner wall of the annular groove 305 is provided with tooth grooves 306, and the tooth grooves 306 are meshed with the first gear 303. The outer side of the first stirring rod 301 is located at the top of the stirring block 302 and a fixing plate 4 is fixed. Both sides of the fixing plate 4 are provided with circular holes 401, and the inside of the circular hole 401 is rotatably connected with the second rotating shaft 501;
[0030] The contact between the first gear 303 and the tooth groove 306 drives the first gear 303 to rotate, and the first gear 303 drives the stirring block 302 to rotate.
[0031] It can be understood that by starting the motor 2, the stirring rod 301 is driven to rotate, and the rotation of the stirring rod 301 drives the gear 303 to draw a circle, and the contact between the gear 303 and the tooth groove 306 drives the gear 303 to rotate, and the gear 303 drives the stirring block 302 to rotate. The stirring rod 301 drives the stirring block 302 to rotate and the gear 303 drives the stirring block 302 body to rotate separately, so as to uniformly stir the center of the interior of the tank body 1.
[0032] Working principle: When the polyurethane production material is added into the tank body 1, the motor 2 is started to drive the No. 1 stirring rod 301 to rotate, and the No. 1 stirring rod 301 rotates to drive the No. 1 gear 303 to make a circular motion, and the No. 1 gear 303 is driven to rotate through the contact with the tooth groove 306, and the No. 1 gear 303 drives the stirring block 302 to rotate, and the stirring block 302 is driven to rotate by the No. 1 stirring rod 301 and the No. 1 gear 303 drives the stirring block 302 body to rotate separately, so as to evenly stir the center of the tank body 1;
[0033] When the No. 1 stirring rod 301 rotates, it drives the fixed plate 4 to rotate, and the fixed plate 4 drives the No. 2 stirring rod 506 in the upper and lower mechanisms 5 to stir in a circular motion inside the tank body 1. When the fixed plate 4 rotates, it drives the No. 2 gear 502 to make a circular motion. The No. 2 gear 502 drives the No. 2 gear 502 to rotate by contacting with the gear ring 103. The No. 2 gear 502 drives the No. 2 stirring rod 506 to rotate. When the fixed plate 4 rotates, it drives the circular plate 507 to rotate. The circular plate 507 drives the roller 508 to make a circular motion. When the roller 508 makes a circular motion, it drives the roller 508 to move up and down by sliding inside the curved groove 104. The roller 508 drives the circular plate 507 to move up and down. The circular plate 507 drives the No. 2 stirring rod 506 to move up and down. The No. 2 stirring rod 506 rotates, makes a circular motion, and moves up and down, so as to perform irregular stirring, thereby preventing the stirring motion from being too cyclic, and causing the problem of uneven and insufficient stirring.
[0034] 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 reactor for producing polyurethane materials, comprising a tank body (1), characterized in that: The inner wall of the tank body (1) is provided with a curved groove (104), and the interior of the tank body (1) is provided with an upper and lower mechanism (5); The upper and lower mechanism (5) comprises a second rotating shaft (501), a second gear (502), a slide groove (503), a fixed column (504), a slider (505), a second stirring rod (506), a circular plate (507), and a roller (508); A number two gear (502) is fixed to the outer side of the number two rotating shaft (501), a plurality of groups of slide grooves (503) are arranged at the bottom end of the inner wall of the number two rotating shaft (501), a fixed column (504) is slidably connected to the bottom end of the inside of the number two rotating shaft (501), a plurality of groups of sliders (505) are fixed to the outer side of the fixed column (504), a circular plate (507) is fixed to the bottom of the fixed column (504), and a roller (508) is rotatably connected to the outer side of the circular plate (507).
2. A reaction kettle for the production of polyurethane materials according to claim 1, characterized in that: The slider (505) is slidably connected to the inside of the slide groove (503), the roller (508) is arranged inside the curved groove (104), and a second stirring rod (506) is fixed to the bottom of the circular plate (507).
3. A reaction kettle for the production of polyurethane materials according to claim 1, characterized in that: A fixing seat (102) is fixed on the top of the tank body (1), a motor (2) is installed inside the fixing seat (102), and a direction mechanism (3) is arranged in the middle of the tank body (1); The direction mechanism (3) comprises a first stirring rod (301), a stirring block (302), a first gear (303), a first rotating shaft (304), an annular groove (305), and a tooth groove (306); The top end of the first stirring rod (301) is fixedly connected to the output end of the motor (2); a plurality of stirring blocks (302) are arranged outside the first stirring rod (301); a first gear (303) is fixed to one end of the stirring block (302); the first gear (303) runs through the inside of the first stirring rod (301); and the first gear (303) is rotatably connected to the first stirring rod (301).
4. A reaction kettle for the production of polyurethane materials according to claim 3, characterized in that: A first rotating shaft (304) is arranged inside the first stirring rod (301), and a plurality of groups of annular grooves (305) are arranged on the outer side of the first rotating shaft (304), and tooth grooves (306) are arranged on the inner wall of the annular groove (305).
5. A reaction kettle for the production of polyurethane materials according to claim 4, characterized in that: The tooth groove (306) is meshed with the first gear (303), and a fixing plate (4) is fixed on the outer side of the first stirring rod (301) and located on the top of the stirring block (302).
6. A reaction kettle for the production of polyurethane materials according to claim 5, characterized in that: Circular holes (401) are provided on both sides of the fixing plate (4), and the interior of the circular hole (401) is rotatably connected to the second rotating shaft (501).
7. The reaction kettle for producing polyurethane materials according to claim 1, characterized in that: A gear ring (103) is fixed at the top of the curved groove (104) inside the tank body (1), and the gear ring (103) is meshed with the second gear (502). A liquid inlet pipe (101) is arranged on the outside of the tank body (1).
