CN220780952U

CN220780952U - Tablet coating liquid spraying device

Info

Publication number: CN220780952U
Application number: CN202322258782.6U
Authority: CN
Inventors: 魏西雨; 王小恋; 林树文; 周越; 周炳凯; 郑晓冬
Original assignee: Hainan Zhuoli Pharmaceutical Co ltd
Current assignee: Hainan Zhuoli Pharmaceutical Co ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-04-16
Anticipated expiration: 2033-08-22

Abstract

The application discloses tablet coating hydrojet device belongs to coating equipment technical field. The coating pot comprises an outer pot and an inner pot, the outer pot of the coating pot is fixedly connected with the first box, a power device is arranged in the second box, and the power device is fixedly connected with the inner pot of the coating pot; the spray assembly comprises a spray gun and a feed liquid tank, and the spray gun is detachably connected with the feed liquid tank. The utility model provides a problem that caking, coating are inhomogeneous has appeared easily in the prior art coating process has been solved to this application technical scheme, uses this application device to carry out the coating operation, can make tablet coating even, and the coating is effectual, and the outward appearance quality is good.

Description

Tablet coating liquid spraying device

Technical Field

The utility model relates to the technical field of coating equipment, in particular to a tablet coating liquid spraying device used in the production process of medicines.

Background

The coating machine is mainly used for sugar coating production of pills and tablets in the pharmaceutical industry, and can also be used for rolling, mixing and polishing of spherical or granular materials in the food, light industry and chemical industry. For example: polishing chocolate, coating peanuts, sugar adding, seasoning, manufacturing sweet dumplings, pearl powder balls, rolling drying agents, producing chemical fillers, aluminum hydroxide balls, aluminum oxide balls, porcelain ball molecular sieves and catalysts.

The high-efficiency coating machine is a high-efficiency, energy-saving, safe and clean electromechanical integrated device which can carry out organic film coating, water-soluble film coating and slow and controlled release coating on tablets, pills, candies and the like. The coating machine is suitable for pharmaceutical, chemical and food industries. The pot body material can be divided into stainless steel and red copper; according to heat exchange efficiency, the coating machine can be divided into a Kong Baoyi machine and a non-porous coating machine; the production type and the experimental type are divided according to the production capacity.

At present, in the prior art, the tablet coating machine in the pharmaceutical industry is easy to generate the problems of caking and uneven coating when coating tablets, so that the coating effect is poor and the appearance quality of the tablets is affected.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and invent a tablet coating liquid spraying device, and solve the problems of easy agglomeration and uneven coating in the coating process of the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the tablet coating liquid spraying device comprises a box body, a coating pot and a liquid spraying component, wherein the box body is fixedly connected with the coating pot, the coating pot is detachably connected with the liquid spraying component, the box body comprises a first box body and a second box body, the first box body is fixedly connected with the second box body, the first box body is internally provided with the coating pot, the coating pot comprises an outer pot and an inner pot, the outer pot of the coating pot is fixedly connected with the first box body, the second box body is internally provided with a power device, and the power device is fixedly connected with the inner pot of the coating pot; the spray assembly comprises a spray gun and a feed liquid tank, and the spray gun is detachably connected with the feed liquid tank.

Further, the power device comprises a motor and a controller, and the controller is electrically connected with the motor and is provided with a switch; the motor is fixedly connected with one end of the rotating shaft, and the other end of the rotating shaft is fixedly connected with the tail part of the inner pot.

Further, a plurality of turning plates are arranged on the inner wall of the inner pot and fixedly connected with the inner wall; the wall of the inner pot is provided with a plurality of fine holes.

Further, a plurality of support columns are arranged at the bottom of the coating pot, and the support columns are fixedly connected with the outer pot.

Further, a cavity is arranged between the inner pot and the outer pot, a plurality of baffles are arranged in the cavity, and the baffles are fixedly connected with the inner pot.

Further, the head of the coating pan is provided with an opening, the opening is provided with a safety door, the safety door comprises a first safety door and a second safety door, the first safety door is movably connected with the first box body, and the second safety door is fixedly connected with the first box body.

Further, the second safety door is provided with an access opening, the spray gun is inserted into the access opening, and the spray gun extends into the inner pot through the second safety door.

Further, the tail part of the spray gun is provided with a feed inlet and an air inlet, the air inlet is detachably connected with one end of an air inlet pipe, and the other end of the air inlet pipe is detachably connected with an air source; the feeding port is detachably connected with one end of the feeding pipe, the other end of the feeding pipe is connected with the outlet of the peristaltic pump, and the inlet of the peristaltic pump is detachably connected with the discharge port of the liquid material tank.

Further, the feed liquid tank is arranged on the right side of the bottom of the first box body; the top of the feed liquid tank is provided with a detachable stirrer, the stirrer is fixedly connected with a pneumatic motor, and the pneumatic motor is detachably connected with an air source through an air pipe.

Further, the inside wall of the feed liquid tank is provided with a fixed heater, and the heater is electrically connected with a temperature changer.

Compared with the prior art, the utility model has the beneficial effects that:

according to the tablet coating liquid spraying device, the inner pot of the coating pot can be rotated by adopting the power device, so that tablets in the coating pot can roll and turn, the tablets are prevented from being stuck together in the coating process, caking is easily caused, the tablets are prevented from being heated unevenly, and the effect of coating liquid spraying is further prevented from being influenced. And then the spray gun is used for carrying out spray coating operation on the coated feed liquid, so that the coating liquid can be finely and uniformly sprayed on the tablets, and the effect of uniform coating is achieved. Solves the problems of easy caking and uneven coating in the coating process.

Drawings

FIG. 1 is a schematic view showing the overall internal structure of a tablet coating liquid spraying device according to the present utility model;

FIG. 2 is a schematic view of the inner pot structure of a tablet coating spray device of the present utility model;

FIG. 3 is a cross-sectional view of A-A of a tablet coating spray device of the present utility model;

FIG. 4 is a schematic view showing the structure of a safety door of a tablet coating spray device according to the present utility model;

wherein, the reference numerals are as follows:

1. a case; 2. a coating pan; 3. a spray assembly; 4. a first case; 5. a second case; 6. an outer pot; 7. an inner pot; 8. a power device; 9. a spray gun; 10. a material liquid tank; 11. a motor; 12. a rotating shaft; 13. turning plate; 14. fine pores; 15. a cavity; 16. a baffle; 17. a support column; 18. a safety door; 19. a first security door; 20. a second security door; 21. a vent port; 22. a feed pipe; 23. an air inlet pipe; 24. peristaltic pump.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will clearly and completely describe the technical solution in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In the description of the embodiments of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In one embodiment, for ease of understanding, referring to fig. 1 and 2, the present application is a tablet coating spray device, comprising a case 1, a coating pan 2 and a spray assembly 3, wherein the case 1 is fixedly connected with the coating pan 2, and the coating pan 2 is detachably connected with the spray assembly 3; the box body 1 comprises a first box body 4 and a second box body 5, and the first box body 4 is fixedly connected with the second box body 5; the first box body 4 is internally provided with a coating pot 2, the coating pot 2 is in a horizontal oval shape, the coating pot 2 comprises an outer pot 6 and an inner pot 7, the volume of the outer pot 6 is larger than that of the inner pot 7, the outer pot 6 of the coating pot 2 is fixedly connected with the first box body 4, the second box body 5 is internally provided with a power device 8, and the power device 8 is fixedly connected with the inner pot 7 of the coating pot 2; the power device 8 can rotate the inner pot 7 of the coating pot 2, so that tablets in the coating pot 2 can roll and turn over, the tablets are prevented from being stuck together in the coating process, caking is easily caused, and meanwhile, the tablets are prevented from being heated unevenly, so that the effect of coating liquid spraying is affected. The spray assembly 3 comprises a spray gun 9 and a feed liquid tank 10, and the spray gun 9 is detachably connected with the feed liquid tank 10. The coating liquid in the feed liquid tank 10 is conveyed to the inner pot 7 by the spray gun 9 for spraying, and the spray coating operation is completed, so that the coating liquid can be finely and uniformly sprayed on the tablets, and the effect of uniform coating is achieved.

The power device 8 comprises a motor 11 and a controller, wherein the controller is electrically connected with the motor 11 and is provided with a switch. The motor 11 is fixedly connected with one end of the rotating shaft 12, and the other end of the rotating shaft 12 is fixedly connected with the tail part of the inner pot 7. The running speed of the motor 11 is controlled by adopting the controller, so that the running speed of the rotating shaft 12 can be controlled, and the running rolling speed of the inner pot 7 is controlled. The controller can adjust the proper running rolling speed of the inner pot 7, which is beneficial to the coating operation and even coating effect.

For ease of understanding, referring to fig. 3, the inner pan 7 is mainly used for holding tablets to be coated; the outer pan 6 mainly provides the inner pan 7 with the required auxiliary conditions for the coating operation, including providing hot air circulation, supply pressure requirements, etc. The inner wall of the inner pot 7 is provided with a plurality of turning plates 13, and the turning plates 13 are fixedly connected with the inner wall. Specifically, an inclination angle of more than 30 degrees and less than 90 degrees is formed between the flap 13 and the inner wall. The turning plate 13 rotates along with the inner pot 7, and meanwhile, the tablets close to the inner wall in the inner pot 7 can be scraped out from the inner wall of the inner pot 7 along with the movement of the turning plate 13 by utilizing the inclined angle of the turning plate 13, and the tablets in the inclined angle of the turning plate 13 freely fall and roll on the surface after rising to a high position along with the rotation of the inner pot 7, so that uneven coating of the tablets close to the bottom of the inner wall in the inner pot 7 is avoided. Through the rolling operation of the turning plate 13 and the inner pot 7, the tablets are uniformly stirred, so that each surface of each tablet can be sprayed with coating liquid, and the coating uniformity of the tablets is ensured. The inner pot 7 has a plurality of holes 14 on the wall, the diameter of the holes 14 is smaller than that of the tablets, so that the tablets can be prevented from falling into the outer pot 6 through the holes 14 when rolling in the inner pot 7. The left side of the bottom of the outer pot 6 is provided with a hot air inlet connected with a hot air pipeline, and the top of the outer pot 6 is provided with an air outlet. Specifically, the hot air entering the outer pot 6 permeates into the inner pot 7 through the fine holes 14 for hot air circulation drying, and then returns to the outer pot 6 from the fine holes 14, and is discharged through an air outlet of the outer pot 6. The tablets in the inner pot 7 are dried by hot air through hot air circulation, so that the dryness of the surfaces of the tablets is maintained, and the phenomenon of caking caused by the adhesion of the tablets is avoided. A cavity 15 is arranged between the inner pot 7 and the outer pot 6, a plurality of baffles 16 are arranged in the cavity 15, and the baffles 16 are annular baffles. Specifically, the head and the tail of the outer wall of the inner pot 7 are both provided with a baffle 16, and the baffle 16 is fixedly connected with the outer wall of the inner pot 7 and movably connected with the inner wall of the outer pot 6. The baffle 16 can block the diffusion of hot air flow of hot air so that coating efficiency becomes high. The bottom of the coating pot 2 is provided with a plurality of support columns 17, and the support columns 17 are fixedly connected with the outer pot 6. The outer pot 6 can be supported by the supporting column 17, so that the coating pot 2 is prevented from sinking to the ground due to gravity.

For easy understanding, referring to fig. 4, the head of the coating pan 2 is provided with an opening, the opening is provided with a safety door 18, the safety door 18 comprises a first safety door 19 and a second safety door 20, the first safety door 19 is movably connected with the first box 4, and the first safety door 19 can be opened to the left side. The materials to be coated can be placed into the inner pot 7 through the first safety door 19, and the coated materials can be collected intensively by vacuum pumping tablets from the first safety door 19. The second safety door 20 is movably connected with the first box body 4, the second safety door 20 is provided with an access opening 21, the spray gun 9 can be inserted into the access opening 21, and the spray gun extends into the inner pot 7 through the second safety door 20. The spray gun 9 is convenient to use in the inner pot 7 of the coating pot 2, and the switch of the first safety door 19 does not influence the use of the spray gun 9.

The afterbody of spray gun 9 is equipped with feed inlet and air inlet, and the air inlet is connected with the one end detachably of intake pipe 23, and the other end and the air supply detachably of intake pipe 23 are connected. The feed inlet 21 is detachably connected with one end of a feed pipe 22, the other end of the feed pipe 22 is connected with an outlet of a peristaltic pump 24, and an inlet of the peristaltic pump 24 is detachably connected with a discharge port of the feed tank 10 through a hose. The coating liquid in the liquid tank 10 is conveyed to the spray gun 9 through the feeding pipe 22 by adopting the peristaltic pump 24, and the spray gun 9 is used for coating and spraying the tablets. The head of the spray gun 9 is provided with a plurality of nozzles which are detachably connected with the spray gun 9. The air pressure entering the spray gun 9 from the air inlet pipe 23 is regulated so that the coating liquid sprayed from the spray nozzle presents uniform and fine mist, thereby realizing spray coating operation.

The material liquid tank 10 is arranged on the right side of the bottom of the first box body 4, and the material liquid tank 10 is mainly used for containing coating liquid used in the coating process and preparing material liquid of the coating material. The top of the material liquid tank 10 is provided with a detachable stirrer. The stirrer is mainly used for stirring the liquid in the liquid tank 10 for coating liquid spraying, so that the phenomenon of partial caking of the liquid caused by uneven heating is prevented, the liquid spraying is uneven in the coating process, and the coating liquid spraying effect is affected. The stirrer is fixedly connected with a pneumatic motor which is detachably connected with an air source through an air pipe. The air source is adopted to control the use of the pneumatic motor, and the pneumatic motor converts the pressure energy of the compressed air into the mechanical energy of rotation. The coating liquid is used for stirring the coating liquid in the material liquid tank 10, so that the phenomenon of coating caking and uneven coating caused by solidification and adhesion of the material liquid is avoided. The inside wall of the material liquid tank 10 is provided with a fixed heater, and the heater is electrically connected with a temperature changer and a heating switch. The temperature changer is mainly used for controlling the temperature of the heater and adjusting the heating temperature. The heating switch is turned on, the heater converts electric energy into heat energy, and the temperature range of the heater is controlled by the temperature changer to adjust the temperature to a required temperature. The heater is mainly used for heating the coating liquid for coating liquid spraying in the liquid material tank 10 and performing heat preservation operation on the coating liquid. The phenomenon that the coating liquid is solidified and caked due to natural cooling is prevented, so that liquid spraying is uneven in the coating process, and the coating effect of the tablets is affected. The top of the material liquid tank 10 is provided with a detachable temperature controller which is mainly used for monitoring the temperature of the coating liquid. Specifically, the temperature controller stretches into the coating liquid, and when the temperature of the coating liquid is monitored to be lower than the lowest threshold value, the heater is started for heating; and when the temperature of the coating liquid is detected to be higher than the highest threshold value, the heater is turned off, and heating is stopped.

First, prevent the tablet from adhering, caking and coating unevenly during the coating operation. Firstly, the inner pot 7 of the coating pot 2 can be rotated by the power device 8, so that tablets in the coating pot 2 can roll and turn over, caking of the tablets in the coating process is avoided, the tablets are easy to cause agglomeration, the tablets can be heated uniformly by rolling and turning over in the inner pot 7, and uneven heating of the tablets is avoided, so that the effect of coating liquid spraying is affected. The controller is further adopted to control the running speed of the motor 11, so that the running speed of the rotating shaft 12 can be controlled, and the running rolling speed of the inner pot 7 is controlled. The controller can adjust the proper running rolling speed of the inner pot 7, which is beneficial to the coating operation and even coating effect. Secondly, the tablet close to the inner wall in the inner pot 7 can be rolled from the bottom to the surface by adopting the turning plate 13, so that uneven coating of the tablet close to the bottom of the inner wall in the inner pot 7 is avoided. Through the rolling operation of the turning plate 13 and the inner pot 7, the tablets are uniformly stirred, so that each surface of each tablet can be uniformly contacted with the spraying of the coating liquid, and the coating uniformity of the tablets is ensured. Further utilize outer pot 6 and interior pot 7's cavity 15 to and interior pot 7 pot wall's pore 14, carry out hot-blast drying to the tablet in the interior pot 7 through pore 14 hot-air circulation, keep the dryness of tablet surface, avoid the tablet to glue the wet adhesion together because of the coating liquid, cause the phenomenon of caking to take place. Finally, spray coating operation is carried out on the coated feed liquid by adopting a spray gun 9, so that the coating liquid can be finely and uniformly sprayed on the tablets, and the effect of uniform coating is achieved.

Second, the coating liquid is prevented from coagulating and agglomerating during use, thereby causing agglomeration of the coating and uneven coating. Firstly, a heater is used for heating coating liquid for coating liquid spraying in the material liquid tank 10, and the coating liquid is subjected to heat preservation operation, so that the phenomenon that the coating liquid is solidified and agglomerated due to natural cooling is prevented, and the liquid spraying is uneven in the coating process, so that the coating effect of tablets is affected. Secondly, the stirring device is combined to stir the liquid in the liquid tank 10 for coating liquid spraying, so that the phenomenon of partial caking of the liquid caused by uneven heating is prevented, the liquid spraying is uneven in the coating process, and the coating liquid spraying effect is affected. Finally, a temperature changer is combined for controlling the temperature of the heater and adjusting the heating temperature. The temperature range of the heater is controlled by the temperature changer and is regulated to the required temperature. The coating liquid is prevented from being too low or too high in temperature, and good fluidity of the coating liquid is maintained. Further preventing the coating liquid from coagulating and agglomerating in the use process, thereby leading to coating agglomeration, uneven coating and influencing the coating spraying effect.

The working principle of the utility model is that the power device 8 is utilized to rotate the inner pot 7, so that the tablets in the coating pot 2 can roll and turn over, the purpose of stirring is achieved, the tablets are prevented from being stuck together in the coating process, caking is easily caused, and uneven heating of the tablets is also prevented, thereby influencing the effect of coating liquid spraying. And then coating and spraying operation is carried out by utilizing the spraying component 3, so that spray type coating operation is realized, the coating liquid can be finely and uniformly sprayed on the tablets, and the effect of uniform coating is achieved. Solves the problems of easy caking and uneven coating in the coating process in the prior art.

Although the present utility model has been described with reference to the above preferred embodiments, it should be understood that the present utility model is not limited to the above preferred embodiments, and various changes and modifications can be made therein by one skilled in the art without departing from the spirit and scope of the present utility model.

Claims

1. The utility model provides a tablet coating hydrojet device, includes box (1), coating pot (2) and hydrojet subassembly (3), box (1) with coating pot (2) fixed connection, coating pot (2) with hydrojet subassembly (3) detachable connection, characterized in that, box (1) include first box (4) and second box (5), first box (4) with second box (5) fixed connection, be equipped with in first box (4) coating pot (2), coating pot (2) include outer pot (6) and interior pot (7), outer pot (6) of coating pot (2) with first box (4) fixed connection, be equipped with power device (8) in second box (5), power device (8) with interior pot (7) of coating pot (2) fixed connection; the spray assembly (3) comprises a spray gun (9) and a material liquid tank (10), and the spray gun (9) is detachably connected with the material liquid tank (10).

2. The tablet coating liquid spraying device according to claim 1, characterized in that the power means (8) comprises a motor (11) and a controller, which is electrically connected to the motor (11) and provided with a switch; the motor (11) is fixedly connected with one end of the rotating shaft (12), and the other end of the rotating shaft (12) is fixedly connected with the tail of the inner pot (7).

3. The tablet coating liquid spraying device according to claim 1, characterized in that a plurality of turning plates (13) are arranged on the inner wall of the inner pot (7), and the turning plates (13) are fixedly connected with the inner wall; the wall of the inner pot (7) is provided with a plurality of fine holes (14).

4. The tablet coating liquid spraying device according to claim 1, characterized in that a plurality of support columns (17) are arranged at the bottom of the coating pan (2), and the support columns (17) are fixedly connected with the outer pan (6).

5. The tablet coating liquid spraying device according to claim 1, characterized in that a cavity (15) is arranged between the inner pot (7) and the outer pot (6), a plurality of baffles (16) are arranged in the cavity (15), and the baffles (16) are fixedly connected with the inner pot (7).

6. The tablet coating liquid spraying device according to claim 1, characterized in that the head of the coating pan (2) is provided with an opening, a safety door (18) is arranged on the opening, the safety door (18) comprises a first safety door (19) and a second safety door (20), the first safety door (19) is movably connected with the first box body (4), and the second safety door (20) is fixedly connected with the first box body (4).

7. The tablet coating spray device according to claim 6, characterized in that the second safety door (20) is provided with an access opening (21), the spray gun (9) being inserted into the access opening (21) extending through the second safety door (20) into the inner pan (7).

8. The tablet coating liquid spraying device according to claim 1, wherein the tail of the spray gun (9) is provided with a feed inlet and an air inlet, the air inlet is detachably connected with one end of an air inlet pipe (23), and the other end of the air inlet pipe (23) is detachably connected with an air source; the feeding port is detachably connected with one end of the feeding pipe (22), the other end of the feeding pipe (22) is connected with an outlet of the peristaltic pump (24), and an inlet of the peristaltic pump (24) is detachably connected with a discharging port of the liquid material tank (10).

9. The tablet coating liquid spraying device according to claim 1, characterized in that the stock solution tank (10) is arranged on the right side of the bottom of the first tank (4); the top of the material liquid tank (10) is provided with a detachable stirrer, a pneumatic motor is fixedly connected to the stirrer, and the pneumatic motor is detachably connected with an air source through an air pipe.

10. The tablet coating liquid spraying device according to claim 1, wherein the inner side wall of the material liquid tank (10) is provided with a fixed heater, and the heater is electrically connected with a temperature changer.