Istradefylline reactor

Abstract

The utility model discloses an istradefylline reactor which comprises a bearing frame and a stirring paddle, a stirring reaction tank is welded inside the bearing frame, and a heating cavity is arranged inside the side wall of the stirring reaction tank. According to the utility model, by mounting the accommodating grooves and the like, when the device is used, on one hand, the rotary driving mechanisms in the four accommodating grooves are started to drive the stirring paddle to automatically turn over, so that the stirring paddle can be conveniently folded and accommodated in the accommodating grooves; the transverse stirring range of the four stirring paddles can be changed, so that the size of a stirring plane can be flexibly adjusted, and the stirring pressure of materials in the stirring reaction tank can be monitored by utilizing the pressure sensors at the tail ends of the stirring paddles; the four pressure sensors are used for monitoring the stirring pressure of the materials at different depths and transverse positions in the stirring reaction tank, the reaction effect can be judged, and when the stirring heating reaction is completed, the uniformity of the materials is consistent, and the stirring pressure change is not large.

Description

Technical Field

[0001] The utility model relates to the technical field of istradefylline processing equipment, in particular to an istradefylline reactor. Background Art

[0002] In the actual production and preparation of istradefylline, it is often necessary to stir and heat acetic anhydride and 1,3-diethylureacyanoacetic acid, then cool and reduce the pressure to concentrate, add sodium hydroxide solution to adjust the pH value, cool and crystallize, and finally introduce purified water and centrifuge to dry. In the early stirring and heating reaction stage, the corresponding istradefylline reactor is needed as a chemical stirring reaction vessel. However, this type of chemical stirring reaction vessel used for istradefylline reaction still has some defects during actual operation.

[0003] As disclosed in the application number 201920049629.3, a chemical stirring reaction container includes a reaction tank, a limiting shell and a transmission motor. The limiting shell and the transmission motor are both arranged on the top of the reaction tank, and the transmission motor is fixedly arranged inside the limiting shell. A stirring mechanism is arranged at the bottom of the transmission motor. The stirring mechanism includes a transmission base and a pull ring. The center position of the top of the transmission base is transmission-connected to the output shaft of the transmission motor. The pull ring is arranged on the top of the transmission base. The utility model is provided with a stirring mechanism, and the installation of the stirring mechanism is detachable. When the stirring mechanism is inserted Before, the stirring paddle can be retracted into the paddle groove, so that the stirring mechanism as a whole can be inserted from the narrower inlet of the reaction tank. After insertion, the stirring mechanism can be rotated under the drive of the transmission motor, so that the stirring paddle can be unfolded according to the centrifugal force, so as to play a more sufficient stirring role and accelerate the chemical reaction efficiency. However, it still has the problems of poor stability of the stirring paddle, difficulty in automatic and flexible adjustment of the use angle of the stirring paddle and difficulty in judging the stirring effect, which leads to poor functionality of the device. Moreover, it is not easy to achieve temperature-controlled heating treatment of the material, which makes it difficult to regulate the temperature of the heating reaction, affects practicality and is not easy to promote. Utility Model Content

[0004] The purpose of the utility model is to provide an istradefylline reactor to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an istradefylline reactor, comprising a carrier and a stirring paddle, a stirring reaction tank is welded inside the carrier, a heating chamber is arranged inside the side wall of the stirring reaction tank, and electric heating plates are evenly installed inside the heating chamber, both sides of one end of the carrier are welded with a housing, a second servo motor is installed at the bottom of the housing, a transmission screw is connected to the inside of the housing at the output end of the second servo motor, a top cover is installed at one end of the transmission screw, a first servo motor is installed on the top of the top cover, and the first servo motor is installed at the bottom of the housing. The output end is connected to a square stirring spindle, the outer side wall of the square stirring spindle is evenly provided with storage grooves, a rotary drive mechanism is installed at the bottom end of the storage groove, the stirring paddle is connected to the output end of the rotary drive mechanism, a pressure sensor is installed on the top of the stirring paddle, a temperature sensor is installed on the bottom of the square stirring spindle, an annular air bag for cleaning is installed on the square stirring spindle above the temperature sensor, a built-in air guide pipe connected to the annular air bag for cleaning is provided at the middle position inside the square stirring spindle, and a micro air pump is installed on the top of the built-in air guide pipe.

[0006] Preferably, fixing screw holes are evenly arranged on the bottom of the support frame, and a non-slip rubber layer is vulcanized and connected to the support frame, so that it is easy to fix and install the device by screws and improve stability.

[0007] Preferably, four stirring paddles are provided, and a flip structure is formed between the stirring paddles and the square stirring main shaft, so that the stirring paddles can be flipped and folded, and the lateral stirring range of the stirring assembly can be flexibly adjusted.

[0008] Preferably, cleaning bristles are evenly arranged on the edge of the cleaning annular airbag, and the outer side wall of the cleaning annular airbag is coated with a nano-ceramic anti-sticking layer, so as to improve the wear resistance and anti-fouling performance of the cleaning annular airbag.

[0009] Preferably, two transmission screws are provided, and a nut seat is threadedly sleeved on the transmission screw, and an assembly strip is welded on the nut seat, so that it can drive the top cover to automatically rise and fall, which is convenient for cleaning and maintenance of the stirring assembly and the inside of the stirring reaction tank.

[0010] Preferably, a fixing seat is welded on the top cover, and a snap-fit ​​connection is formed between the fixing seat and the assembly strip, and screws are evenly arranged between the fixing seat and the assembly strip, so that the top cover can be independently disassembled and maintained.

[0011] Preferably, the rotary drive mechanism includes a motor and an angle sensor, and a bearing is provided between the bottom end of the stirring paddle and the storage groove, so that the stirring paddle can be driven to automatically flip to a suitable angle, making it easy to adjust the use position of the stirring paddle.

[0012] Preferably, a solenoid valve is provided on the built-in air guide pipe at one end of the micro air pump, so that it is easy to open the solenoid valve and realize automatic and rapid deflation of the annular air bag for cleaning.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The istradefylline reactor is equipped with a storage tank and a rotary drive mechanism, so that the device optimizes its own performance. On the one hand, the rotary drive mechanism inside the four storage tanks evenly distributed on the outer wall of the square stirring main shaft is started to drive the stirring paddle to automatically flip, which is convenient for folding and storing the stirring paddle inside the storage tank, and can change the lateral stirring range of the four stirring paddles, so as to flexibly adjust the size of the stirring plane. On the other hand, the pressure sensor at the tail end of the stirring paddle can be used to monitor the stirring pressure of the material inside the stirring reaction tank. The four pressure sensors monitor the stirring pressure of the material at different depths and lateral positions inside the stirring reaction tank, so as to judge the reaction effect. When the stirring and heating reaction is completed, the material has a uniform uniformity and the stirring pressure does not change much, so that the device is convenient for automatically judging the reaction effect and has strong practicality.

[0015] (2) The istraphylline reactor is equipped with a second servo motor and a transmission screw, etc., so that the device optimizes its own structure. On the one hand, the second servo motors on the two housings are started, and the transmission function of the transmission screw and the nut seat can drive the fixed seat and the top cover to automatically rise and fall, which can realize the automatic opening and closing of the cover, and is convenient for loading and cleaning the structural components of the device. On the other hand, the micro air pump and the electromagnetic valve on the built-in air guide pipe connected to the annular air bag for cleaning can be used to realize the automatic inflation and deflation of the annular air bag for cleaning, which is convenient for shrinking the annular air bag for cleaning during stirring, and after the reaction is completed, the annular air bag for cleaning is expanded to be close to the outer wall of the stirred reactor. Then, the driving function of the second servo motor and the transmission screw can realize the automatic reciprocating elevation of the top cover and the annular air bag for cleaning, which is convenient for brushing and cleaning the impurities adhered to the stirred reactor, and enhances the functionality of the device.

[0016] (3) The istradefylline reactor is equipped with a heating chamber equipped with electric heating plates, so that when the device is actually operated, the heating chamber equipped with electric heating plates evenly distributed inside the side wall of the stirring reaction tank can be used to evenly heat the material, and the temperature monitoring function of the temperature sensor at the rear end of the square stirring main shaft can be used to better control the temperature of the material for heating treatment, which is convenient for adjusting the temperature of the heating reaction during the preparation of istradefylline. The square stirring main shaft is driven by the first servo motor to stir and mix the material, which can improve the reaction efficiency and the uniformity of the reaction effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the front view structure of the casing of the utility model;

[0019] Figure 3 This is a schematic diagram of the partial cross-sectional structure of the stirring paddle of the utility model;

[0020] Figure 4 This is a rear view structural diagram of the annular airbag for cleaning of the utility model;

[0021] Figure 5 It is a schematic diagram of the partial cross-section structure of the stirring reaction tank of the utility model when viewed from above.

[0022] In the figure: 1. supporting frame; 2. stirring reaction tank; 3. temperature sensor; 4. stirring paddle; 5. fixing seat; 6. first servo motor; 7. top cover; 8. square stirring spindle; 9. annular air bag for cleaning; 10. housing; 11. transmission screw; 12. second servo motor; 13. assembly strip; 14. pressure sensor; 15. storage slot; 16. rotary drive mechanism; 17. built-in air guide pipe; 18. micro air pump; 19. solenoid valve; 20. heating chamber; 21. electric heater. DETAILED DESCRIPTION

[0023] 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. 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.

[0024] See also Figure 1-5 The utility model provides an embodiment: an istradefylline reactor, comprising a carrier frame 1 and a stirring paddle 4, a stirring reaction tank 2 is welded inside the carrier frame 1, a heating chamber 20 is arranged inside the side wall of the stirring reaction tank 2, and electric heating plates 21 are evenly installed inside the heating chamber 20;

[0025] The bottom of the support frame 1 is evenly provided with fixing screw holes, and a non-slip rubber layer is vulcanized and connected to the support frame 1, so that it is easy to fix and install the device by screws and improve the stability;

[0026] A housing 10 is welded on both sides of one end of the carrier frame 1, a second servo motor 12 is installed at the bottom of the housing 10, a transmission screw 11 is connected to the inside of the housing 10 at the output end of the second servo motor 12, a top cover 7 is installed at one end of the transmission screw 11, a first servo motor 6 is installed on the top of the top cover 7, and a square stirring main shaft 8 is connected to the output end of the first servo motor 6;

[0027] There are two transmission screws 11, and a nut seat is threadedly mounted on the transmission screw 11, and an assembly insert 13 is welded on the nut seat, so that it can drive the top cover 7 to automatically rise and fall, which is convenient for cleaning and maintenance of the stirring assembly and the inside of the stirring reaction tank 2;

[0028] A fixing seat 5 is welded on the top cover 7, and a snap-fit ​​connection is formed between the fixing seat 5 and the assembly insert 13. Screws are evenly arranged between the fixing seat 5 and the assembly insert 13, so that the top cover 7 can be independently disassembled and maintained;

[0029] The outer wall of the square stirring main shaft 8 is evenly provided with receiving grooves 15, the bottom end of the storage groove 15 is installed with a rotating drive mechanism 16, the stirring paddle 4 is connected to the output end of the rotating drive mechanism 16, the top of the stirring paddle 4 is installed with a pressure sensor 14, and the bottom of the square stirring main shaft 8 is installed with a temperature sensor 3;

[0030] There are four stirring paddles 4, and a flip structure is formed between the stirring paddles 4 and the square stirring main shaft 8, so that the stirring paddles 4 can be flipped and folded, and the lateral stirring range of the stirring assembly can be flexibly adjusted;

[0031] The rotation drive mechanism 16 includes a motor and an angle sensor. A bearing is provided between the bottom end of the stirring paddle 4 and the storage tank 15, so that the stirring paddle 4 can be driven to automatically flip to a suitable angle, which is convenient for adjusting the use position of the stirring paddle 4.

[0032] When in use, the rotating drive mechanism 16 inside the four storage grooves 15 evenly distributed on the outer wall of the square stirring main shaft 8 is started, which can drive the stirring paddle 4 to automatically flip, which is convenient for realizing the folding and storage of the stirring paddle 4 inside the storage groove 15, and can change the lateral stirring range of the four stirring paddles 4, and is convenient for flexibly adjusting the size of the stirring plane. In addition, the pressure sensor 14 at the tail end of the stirring paddle 4 can be used to monitor the stirring pressure of the material inside the stirring reaction tank 2. The four pressure sensors 14 monitor the stirring pressure of the material at different depths and lateral positions inside the stirring reaction tank 2, and the reaction effect can be judged. When the stirring and heating reaction is completed, the material has a uniform uniformity and the stirring pressure does not change much, so that the device is convenient for automatically judging the reaction effect and has strong practicality.

[0033] A cleaning annular airbag 9 is installed on the square stirring main shaft 8 above the temperature sensor 3. A built-in air guide pipe 17 connected to the cleaning annular airbag 9 is provided at the middle position inside the square stirring main shaft 8. A micro air pump 18 is installed at the top of the built-in air guide pipe 17.

[0034] The edges of the cleaning annular airbag 9 are evenly provided with cleaning bristles, and the outer side wall of the cleaning annular airbag 9 is coated with a nano-ceramic anti-sticking layer, so that the wear resistance and anti-fouling performance of the cleaning annular airbag 9 is improved;

[0035] The built-in air guide pipe 17 at one end of the micro air pump 18 is provided with a solenoid valve 19, which makes it easy to open the solenoid valve 19 and realize automatic and rapid deflation of the annular air bag 9 for cleaning.

[0036] When the embodiment of the present application is in use: an external power supply and a control device are connected, and the user can introduce the two raw materials, acetic anhydride and 1,3-diethylurea cyanoacetic acid, into the interior of the stirred reaction tank 2, start the second servo motor 12 on the two housings 10, cooperate with the transmission function of the transmission screw 11 and the nut seat, and drive the fixed seat 5 and the top cover 7 to automatically rise and fall, which can realize the automatic opening and closing of the cover operation, and is convenient for loading and cleaning the structural components of the device. At the same time, the rotation drive mechanism 16 inside the four storage grooves 15 evenly distributed on the outer wall of the square stirring main shaft 8 is started, and the stirring paddle 4 can be driven to automatically flip, which is convenient for realizing the folding and storage of the stirring paddle 4 inside the storage groove 15, and can change the lateral stirring range of the four stirring paddles 4, and is convenient for flexibly adjusting the size of the stirring plane. In addition, the pressure sensor 14 at the tail end of the stirring paddle 4 can be used to monitor the stirring pressure of the material inside the stirred reaction tank 2. The four pressure sensors 14 monitor the stirring pressure of the material at different depths and lateral positions inside the stirred reaction tank 2, and the reaction effect can be judged. When the stirring and heating reaction is completed, the material has a uniform uniformity and the stirring pressure does not change much, so that the device is convenient. The invention is convenient for automatically judging the reaction effect and has strong practicality. Secondly, the heating chamber 20 with evenly distributed electric heating plates 21 arranged inside the side wall of the stirring reaction tank 2 can realize uniform heating of the material, and the temperature monitoring function of the temperature sensor 3 at the tail end of the square stirring main shaft 8 can realize better temperature control and heating treatment of the material, and is convenient for adjusting the temperature of the heating reaction during the preparation of istradefylline, and the square stirring main shaft 8 is driven by the first servo motor 6 to stir and mix the material, which can improve the reaction efficiency and the uniformity of the reaction effect. In addition, the annular air bag for cleaning and brushing is used. The micro air pump 18 and the electromagnetic valve 19 on the built-in air guide pipe 17 connected to 9 can realize the automatic inflation and deflation operations of the annular air bag 9 for cleaning, which is convenient for contracting the annular air bag 9 for cleaning during stirring, and expanding the annular air bag 9 for cleaning to close to the outer wall of the stirring reaction tank 2 after the reaction is completed. Then, through the driving action of the second servo motor 12 and the transmission screw 11, the top cover 7 and the annular air bag 9 for cleaning are automatically lifted and lowered back and forth, which is convenient for brushing and cleaning impurities adhered to the stirring reaction tank 2 and enhancing the functionality of the device.

Claims

1. An istradefylline reactor, characterized in that: The invention comprises a support frame (1) and a stirring paddle (4), wherein a stirring reaction tank (2) is welded inside the support frame (1), a heating chamber (20) is arranged inside the side wall of the stirring reaction tank (2), and electric heating plates (21) are evenly installed inside the heating chamber (20), a housing (10) is welded on both sides of one end of the support frame (1), a second servo motor (12) is installed at the bottom of the housing (10), a transmission screw (11) is connected inside the housing (10) at the output end of the second servo motor (12), a top cover (7) is installed at one end of the transmission screw (11), a first servo motor (6) is installed on the top of the top cover (7), and a square stirring main shaft (21) is connected to the output end of the first servo motor (6) 8), the outer wall of the square stirring main shaft (8) is evenly provided with receiving grooves (15), the bottom end of the inside of the receiving groove (15) is installed with a rotating drive mechanism (16), the stirring paddle (4) is connected to the output end of the rotating drive mechanism (16), the top of the stirring paddle (4) is installed with a pressure sensor (14), the bottom of the square stirring main shaft (8) is installed with a temperature sensor (3), a cleaning annular air bag (9) is installed on the square stirring main shaft (8) above the temperature sensor (3), a built-in air guide pipe (17) connected to the cleaning annular air bag (9) is arranged at the middle position inside the square stirring main shaft (8), and a micro air pump (18) is installed at the top of the built-in air guide pipe (17).

2. An istradefylline reactor according to claim 1, characterized in that: The bottom of the support frame (1) is evenly provided with fixing screw holes, and an anti-slip rubber layer is vulcanized and connected to the support frame (1).

3. An istradefylline reactor according to claim 1, characterized in that: Four stirring paddles (4) are provided, and a turning structure is formed between the stirring paddles (4) and the square stirring main shaft (8).

4. An istradefylline reactor according to claim 1, characterized in that: The edges of the annular airbag (9) for cleaning are evenly provided with cleaning bristles, and the outer side wall of the annular airbag (9) for cleaning is coated with a nano-ceramic anti-sticking layer.

5. An istradefylline reactor according to claim 1, characterized in that: Two transmission screw rods (11) are provided, and a nut seat is threadedly sleeved on the transmission screw rod (11), and an assembly insert (13) is welded on the nut seat.

6. An istradefylline reactor according to claim 5, characterized in that: A fixing seat (5) is welded on the top cover (7), a snap-fit ​​connection is formed between the fixing seat (5) and the assembly insert (13), and screws are evenly arranged between the fixing seat (5) and the assembly insert (13).

7. An istradefylline reactor according to claim 1, characterized in that: The rotary drive mechanism (16) comprises a motor and an angle sensor, and a bearing is provided between the bottom end of the stirring paddle (4) and the receiving tank (15).

8. An istradefylline reactor according to claim 1, characterized in that: A solenoid valve (19) is provided on the built-in air guide pipe (17) at one end of the micro air pump (18).

Images