Reaction kettle for preparing pyridine derivatives

Abstract

The utility model relates to the technical field of reaction kettles for medicine preparation, and discloses a reaction kettle for pyridine derivative preparation, which comprises a tank body, a stirring device is arranged in the tank body, the stirring device comprises a mixing part, and a scraping part is arranged in the tank body. According to the reaction kettle for preparing the pyridine derivatives, by arranging a motor, a mounting frame, a spiral pipe, an arc-shaped plate, a connecting rod, a stirring plate, a first gear, a rotating shaft, a first limiting ring and a first gear ring, the motor is started, the stirring plate is driven to stir raw materials, the arc-shaped plate pushes a solution to turn over up and down, and meanwhile, the rotating spiral pipe guides a solution at the bottom to a solution at the top layer; mixing of solutions of the top layer and the bottom layer is promoted, the mixing effect of the device is improved, and the medicine mixing effect is improved; and by arranging a scraping plate, a second gear, a second gear ring, a second limiting ring and a third gear ring, after the motor is driven, the scraping plate scrapes the inner wall of the tank body, and liquid medicine adhering to the inner wall of the tank body is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to reaction kettle technical field for medicine preparation, concretely is a kind of reaction kettle for pyridine derivative preparation. BACKGROUND

[0002] Important derivatives of pyridine have nicotinic acid, nicotinamide, isonicotinyl hydrazine, nicotine, strychnine, vitamin B6 and so on, in the production of important derivatives of pyridine production manufacturing process, need to utilize reaction kettle to stir raw materials.

[0003] Chinese patent discloses a kind of reaction kettle for vitamin B6 production, and the publication number is CN222174082U, including reaction kettle main body, the upper surface of reaction kettle main body is provided with driving motor, the output end of driving motor is installed with rotating shaft through shaft coupling, the one end of rotating shaft extends to the inside of reaction kettle main body, the outer surface of rotating shaft is equipped with connecting rod, the end of connecting rod away from rotating shaft is equipped with installation slot, cleaning assembly is arranged in the inside of installation slot, cleaning assembly includes scraper, connecting block, spring, limit block and pull block, connecting block is cooperatively installed in the inside of installation slot.The utility model is used in cooperation with the use of connecting rod and scraper, the inner surface of reaction kettle main body can be scraped, to avoid medium adsorption on the inner surface of reaction kettle main body, simultaneously by the cooperation of connecting block, spring, limit block and pull block, cleaning assembly can be quickly removed from connecting rod, to facilitate the cleaning of scraper, better practicability is achieved.

[0004] But still include following shortcoming: device utilizes driving motor to drive stirring assembly to rotate, to stir liquid medicine, but device is not convenient for the solution of top layer and the solution of bottom layer to mix fully, possibly leading to the concentration of liquid medicine in different positions, affect liquid medicine final quality.Therefore, we propose a kind of reaction kettle for pyridine derivative preparation to solve this problem. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of reaction kettle for pyridine derivative preparation to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of reaction kettle for pyridine derivative preparation, including tank body, the inside of tank body is provided with stirring device, and the stirring device includes mixing part;

[0007] The mixing part includes motor, mounting bracket, spiral pipe, rotating shaft and first limit ring, the bottom surface of motor is fixedly connected with the top surface of tank body, the inner wall of tank body is equipped with first ring groove, the outer surface of first limit ring extends to the inside of first ring groove and is slidably connected with the inner wall of first ring groove, the top surface of rotating shaft is rotatably connected with the inner wall of tank body by bearing seat, and the outer surface of mounting bracket is fixedly connected with the outer surface of spiral pipe;

[0008] The scraping part is arranged in the tank body;

[0009] The scraping part comprises a scraper and a second limiting ring, the top surface of the scraper is fixedly connected with the bottom surface of the second limiting ring, and the outer surface of the scraper is slidingly connected with the inner wall of the tank body.

[0010] Further improvement lies in that the mixing part further comprises an arc-shaped plate, a connecting rod, a stirring plate, a first gear and a first tooth ring, the outer surface of the motor output shaft penetrates through the top surface of the tank body and extends into the tank body in rotation through a bearing, and the arc-shaped plate is fixedly sleeved on the outer surface of the motor output shaft, so that the top layer solution and the bottom layer solution are mixed by arranging the motor and the arc-shaped plate.

[0011] Further improvement lies in that the outer surface of the stirring plate is fixedly connected with the outer surface of the connecting rod, and the outer surface of the connecting rod is fixedly connected with the outer surface of the motor output shaft, so that the solution is stirred by arranging the stirring plate and the connecting rod.

[0012] Further improvement lies in that the two first gears are respectively fixedly sleeved on the outer surface of the rotating shaft and the outer surface of the motor output shaft, the top surface of the mounting frame is fixedly connected with the bottom surface of the first limiting ring, and the outer surface of the first tooth ring is fixedly connected with the inner wall of the first limiting ring, so that the bottom layer solution flows upward along the inner wall of the spiral pipe to promote the mixing of the top layer solution and the bottom layer solution by arranging the mounting frame, the rotating shaft, the first tooth ring, the spiral pipe and the first gear, and the motor drives the spiral pipe to rotate.

[0013] Further improvement lies in that the scraping part further comprises a hydraulic rod, a second gear, a second tooth ring and a third tooth ring, the outer surface of the second tooth ring is fixedly connected with the inner wall of the second limiting ring, and the third tooth ring is fixedly sleeved on the outer surface of the first limiting ring, so that the tank body inner wall is scraped by driving the scraper to rotate by arranging the second gear, the scraper, the second tooth ring and the third tooth ring, and the liquid residue on the tank body inner wall is reduced.

[0014] Further improvement lies in that the second ring groove is arranged on the inner wall of the tank body, the outer surface of the second limiting ring extends into the second ring groove and is slidingly connected with the inner wall of the second ring groove, and the second limiting ring is positioned.

[0015] Further improvement lies in that the second gear is rotatably sleeved on the outer surface of the hydraulic rod output shaft through a second bearing, and the outer surface of the top end of the hydraulic rod penetrates through the inner wall of the tank body and extends above the tank body, so that the second gear is controlled to move up and down, the scraper is controlled to rotate, and the energy loss during stirring and mixing is reduced by arranging the hydraulic rod.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows: This reaction vessel for preparing pyridine derivatives, by setting up a motor, mounting frame, spiral tube, arc plate, connecting rod, stirring plate, first gear, rotating shaft, first limiting ring, and first toothed ring, drives the stirring plate to stir the raw materials when the motor is started. The arc plate pushes the solution up and down, while the rotating spiral tube guides the solution at the bottom to the solution at the top, promoting the mixing of the top and bottom solutions and improving the mixing effect of the device and the mixing effect of the drug. By setting up a scraper, second gear, second toothed ring, second limiting ring, and third toothed ring, the scraper scrapes the inner wall of the tank after being driven by the motor, reducing the drug solution adhering to the inner wall of the tank. By setting up a hydraulic rod, the second gear is moved up and down by controlling the extension and retraction of the hydraulic rod. During the stirring of the drug, the scraper does not scrape the inner wall of the tank. During the discharge, the scraper operates. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the stirring device of this utility model;

[0018] Figure 2 This is a front sectional view of the three-dimensional structure of the stirring device of this utility model;

[0019] Figure 3 This is a partial sectional view of the three-dimensional structure of the stirring device of this utility model;

[0020] Figure 4 for Figure 3 Enlarged view of the structure at point A in the middle;

[0021] Figure 5 This is a bottom sectional view of the three-dimensional structure of the stirring device of this utility model.

[0022] In the diagram: 1. Tank body; 2. Stirring device; 21. Mixing section; 22. Scraping section; 211. Motor; 212. Mounting bracket; 213. Spiral tube; 214. Arc plate; 215. Connecting rod; 216. Stirring plate; 217. First gear; 218. Rotating shaft; 219. First limiting ring; 210. First toothed ring; 221. Scraper; 222. Hydraulic rod; 223. Second gear; 224. Second toothed ring; 225. Second limiting ring; 226. Third toothed ring. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-5The utility model provides a technical scheme: a reaction kettle for pyridine derivative preparation, including jar body 1, be provided with stirring device 2 in jar body 1, stirring device 2 includes mixing part 21,

[0025] Mixing part 21 includes motor 211, mounting bracket 212, spiral pipe 213, rotating shaft 218 and first limit ring 219, and the bottom surface of motor 211 is fixedly connected with the top surface of jar body 1, the inner wall of jar body 1 is provided with first annular groove, and the outer surface of first limit ring 219 extends to the inside of first annular groove and is slidably connected with the inner wall of first annular groove, and the top surface of rotating shaft 218 is rotatably connected with the inner wall of jar body 1 through bearing seat, and the outer surface of mounting bracket 212 is fixedly connected with the outer surface of spiral pipe 213, and mixing part 21 further includes arc plate 214, connecting rod 215, stirring plate 216, first gear 217 and first gear ring 210,

[0026] The outer surface of motor 211 output shaft is rotatably penetrated through the top surface of jar body 1 and extends to the inside of jar body 1,

[0027] Two first gears 217 are fixedly sleeved on the outer surface of rotating shaft 218 and the outer surface of motor 211 output shaft respectively, the top surface of mounting bracket 212 is fixedly connected with the bottom surface of first limit ring 219, and the outer surface of first gear ring 210 is fixedly connected with the inner wall of first limit ring 219,

[0028] The outer surface of stirring plate 216 is fixedly connected with the outer surface of connecting rod 215, the outer surface of connecting rod 215 is fixedly connected with the outer surface of motor 211 output shaft, arc plate 214 is fixedly sleeved on the outer surface of motor 211 output shaft, by setting motor 211, mounting bracket 212, spiral pipe 213, arc plate 214, connecting rod 215, stirring plate 216, first gear 217, rotating shaft 218, first limit ring 219 and first gear ring 210, starting motor 211, driving stirring plate 216 stirs raw materials, arc plate 214 pushes solution to surge up and down, and the spiral pipe 213 of rotating simultaneously guides the solution at the bottom to the solution at the top, promotes the mixing of the solution at the top and the bottom, improves the mixing effect of the device and improves the mixing effect of the medicine,

[0029] Jar body 1 is provided with scraping part 22 inside,

[0030] Scraping part 22 includes scraper 221 and second limit ring 225, the top surface of scraper 221 is fixedly connected with the bottom surface of second limit ring 225, and the outer surface of scraper 221 is slidably connected with the inner wall of jar body 1, and scraping part 22 further includes hydraulic rod 222, second gear 223, second gear ring 224 and third gear ring 226,

[0031] The inner wall of jar body 1 is provided with second annular groove, and the outer surface of second limit ring 225 extends to the inside of second annular groove and is slidably connected with the inner wall of second annular groove,

[0032] The outer surface of the second tooth ring 224 is fixedly connected with the inner wall of the second limiting ring 225, the third tooth ring 226 is fixedly sleeved on the outer surface of the first limiting ring 219, and the scraper 221 is scraped on the inner wall of the tank body 1 after the motor 211 is driven through the setting of the scraper 221, the second gear 223, the second tooth ring 224, the second limiting ring 225 and the third tooth ring 226, and the adhered liquid medicine on the inner wall of the tank body 1 is reduced;

[0033] The second gear 223 is rotatably sleeved on the outer surface of the output shaft of the hydraulic rod 222 through the second bearing, the outer surface of the top end of the hydraulic rod 222 penetrates the inner wall of the tank body 1 and extends above the tank body 1, and the second gear 223 is controlled to move up and down by controlling the extension and contraction of the hydraulic rod 222 through the setting of the hydraulic rod 222, so that the scraper 221 does not scrape on the inner wall of the tank body 1 during the stirring of the medicine, and the scraper 221 works during the discharging.

[0034] In use, the hydraulic rod 222 is controlled to be elongated, the output rod of the hydraulic rod 222 drives the second gear 223 to move downward, the motor 211 is started, the output shaft of the motor 211 drives the connecting rod 215 and the stirring plate 216 to rotate, the liquid medicine is stirred, the output shaft of the motor 211 drives the arc-shaped plate 214 to rotate, drives the pyridine derivative liquid at the bottom to flow upward, and meanwhile, the output shaft of the motor 211 drives the first tooth ring 210 to rotate through the first gear 217, the first tooth ring 210 drives the first limiting ring 219 to rotate, the first limiting ring 219 drives the mounting frame 212 and the spiral pipe 213 to rotate, the pyridine derivative liquid at the bottom of the tank body flows upward along the inside of the spiral pipe 213, and when discharging, the hydraulic rod 222 is controlled to be shortened, the output rod of the hydraulic rod 222 drives the second gear 223 to move upward, the second gear 223 is meshed with the second tooth ring 224 and the third tooth ring 226, the third tooth ring 226 drives the second gear 223 to rotate, the second gear 223 drives the second tooth ring 224 to rotate, and the second tooth ring 224 drives the second limiting ring 225 and the scraper 221 to rotate.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A reaction vessel for preparing pyridine derivatives, comprising a tank body (1), characterized in that: The inside of the tank body (1) is provided with a stirring device (2), and the stirring device (2) comprises a mixing part (21); The mixing part (21) comprises a motor (211), a mounting frame (212), a spiral pipe (213), a rotating shaft (218) and a first limiting ring (219), the bottom surface of the motor (211) is fixedly connected with the top surface of the tank body (1), a first ring groove is formed in the inner wall of the tank body (1), the outer surface of the first limiting ring (219) extends into the first ring groove and is slidably connected with the inner wall of the first ring groove, the top surface of the rotating shaft (218) is rotatably connected with the inner wall of the tank body (1) through a bearing seat, and the outer surface of the mounting frame (212) is fixedly connected with the outer surface of the spiral pipe (213). The inside of the tank body (1) is provided with a scraping part (22); The scraping part (22) comprises a scraper (221) and a second limiting ring (225), the top surface of the scraper (221) is fixedly connected with the bottom surface of the second limiting ring (225), and the outer surface of the scraper (221) is slidably connected with the inner wall of the tank body (1).

2. The pyridine derivative preparation reactor according to claim 1, characterized in that: The mixing part (21) further comprises an arc-shaped plate (214), a connecting rod (215), a stirring plate (216), a first gear (217) and a first toothed ring (210), the outer surface of the output shaft of the motor (211) is rotatably penetrated through the top surface of the tank body (1) and extends into the inside of the tank body (1), and the arc-shaped plate (214) is fixedly sleeved on the outer surface of the output shaft of the motor (211).

3. The reaction vessel for preparing pyridine derivatives according to claim 2, wherein: The outer surface of the stirring plate (216) is fixedly connected with the outer surface of the connecting rod (215), and the outer surface of the connecting rod (215) is fixedly connected with the outer surface of the output shaft of the motor (211).

4. The pyridine derivative preparation reactor according to claim 2, characterized in that: The first gears (217) are respectively fixedly sleeved on the outer surfaces of the rotating shaft (218) and the output shaft of the motor (211), the top surface of the mounting frame (212) is fixedly connected with the bottom surface of the first limiting ring (219), and the outer surface of the first toothed ring (210) is fixedly connected with the inner wall of the first limiting ring (219).

5. The reaction vessel for preparing pyridine derivatives according to claim 1, wherein: The scraping part (22) further comprises a hydraulic rod (222), a second gear (223), a second toothed ring (224) and a third toothed ring (226), the outer surface of the second toothed ring (224) is fixedly connected with the inner wall of the second limiting ring (225), and the third toothed ring (226) is fixedly sleeved on the outer surface of the first limiting ring (219).

6. The reaction vessel for preparing pyridine derivatives according to claim 1, wherein: A second ring groove is formed in the inner wall of the tank body (1), and the outer surface of the second limiting ring (225) extends into the second ring groove and is slidably connected with the inner wall of the second ring groove.

7. The reaction vessel for preparing pyridine derivatives according to claim 5, wherein: The second gear (223) is rotatably sleeved on the outer surface of the output shaft of the hydraulic rod (222) through a second bearing, and the outer surface of the top end of the hydraulic rod (222) is fixedly penetrated through the inner wall of the tank body (1) and extends above the tank body (1).

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