CN219071304U

CN219071304U - Rotatory capsule machine of tablet

Info

Publication number: CN219071304U
Application number: CN202223559544.0U
Authority: CN
Inventors: 李昌龙; 程保安
Original assignee: Zezheng Shanghai Biotechnology Co ltd
Current assignee: Zezheng Shanghai Biotechnology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-26
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a tablet rotary coating machine, and belongs to the technical field of pharmaceutical equipment. A rotary tablet coating machine comprising a machine body, further comprising: the coating tank is connected to the machine body in a sliding manner; the first rotating rod is rotatably connected in the machine body; the cam is fixedly connected to the first rotating rod and is propped against the coating tank; the bracket is fixedly connected to the machine body and is positioned right below the bottom wall of the coating tank; when the device is used, the cam rotates to prop against the coating tank to reciprocate up and down, tablet cores in the tank and coating materials are fully mixed in the falling process of the coating tank, and the device does not use a traditional stirrer to stir and mix, so that the problem that the tablet cores are smashed due to rotation of a stirring rod is solved, and the coating yield is improved.

Description

Rotatory capsule machine of tablet

Technical Field

The utility model relates to the technical field of pharmaceutical equipment, in particular to a tablet rotary coating machine.

Background

Tablet coating refers to the process of coating the surface of a tablet (called a tablet core or tablet) with a suitable coating of material. Coating technology is very important in the pharmaceutical industry.

Coating purpose: (1) masking unpleasant odors of the drug, increasing patient compliance; (2) light-shielding and moisture-proof to improve the stability of the medicine: (3) changing the release position and speed of the medicine, such as gastric dissolution, enteric dissolution, sustained and controlled release, etc.; (4) protecting the drug from gastric acid or gastric enzymes: (5) isolating the incompatibility components: (6) can improve the aesthetic degree, the identification capability of the medicine, the safety of the medicine and the like.

Common coating methods are roll coating, fluid coating and compression coating. The rolling coating method is also called a pan coating method, is a classical and widely used coating method, and can be used for sugar coating, film coating, enteric coating and the like, including a common rolling coating method and a buried pipe coating method. The common equipment used in the conventional roll coating method is a rotary coating machine.

Patent CN213373786U (publication day 2021-06-08) is a tablet coating machine, including the coating machine body, the air heater is installed at coating machine body top, and air heater one end passes through intake pipe and coating machine body internal connection, coating machine body top surface mounting has the clearance chamber, clearance intracavity portion is provided with the blast pipe, blast pipe one end and coating machine body internal connection. According to the utility model, during treatment, coating liquid suspended matters in a machine body can enter the cleaning cavity along with the exhaust pipe, then the coating liquid suspended matters are blocked on the surface of the filter screen under the action of the filter screen, after the coating liquid is solidified, a worker starts the linear motor through the controller, and then the linear motor drives the cleaning brush at one end to circularly clean the bottom end of the filter screen, so that the coating liquid solids adsorbed on the surface of the filter screen fall into the cleaning cavity, and then the cleaning port is discharged.

The coating machine in the scheme still has certain defects, in the coating process, the stirring plate in the device can possibly break the tablet cores, the tablet cores can not be effectively coated after being broken, and even if the coating is finished subsequently, the tablet cores can be broken, the waste tablets are high, and the yield is low, so that the loss is caused.

Disclosure of Invention

The utility model provides a tablet rotary coating machine, which aims to solve the problem that the coating efficiency of the coating machine in the prior art needs to be improved.

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

a rotary tablet coating machine comprising a machine body, further comprising:

the coating tank is connected to the machine body in a sliding manner;

the first rotating rod is rotatably connected in the machine body;

the cam is fixedly connected to the first rotating rod and is propped against the coating tank;

and the bracket is fixedly connected to the machine body and is positioned right below the bottom wall of the coating tank.

In order to enable the hot air to uniformly enter the coating tank, preferably, a blowing pipe and a feeding pipe are fixedly connected to the coating tank, the air outlet end of the blowing pipe is tangential to the annular inner wall of the coating tank, and when the blowing pipe blows air, the blown hot air flows into the coating tank along the inner wall of the coating tank.

Further, fixedly connected with storage box and feed pump in the organism, fixedly connected with inlet pipe on the storage box lateral wall, the one end that the storage box was kept away from to the inlet pipe is connected at the feed pump feed end, the feed pump discharge end links to each other with the feed pipe.

Further, a power supply and a switch are fixedly connected in the machine body, the power supply, the switch and the feeding pump are electrically connected through a wire, and a control rod is rotatably connected to the switch.

In order to ensure that the feeding pump does not always want to convey coating materials in the coating tank, further, a first gear is fixedly connected to the first rotating rod, a second rotating rod is rotatably connected to the side wall of the machine body, a second gear is fixedly connected to the second rotating rod, the first gear is meshed with the second gear, a retaining plate is fixedly connected to the second gear, and the retaining plate is abutted to the control rod.

In order to enable the control rod to reset quickly, the control rod is further fixedly connected with a spring, and one end, away from the control rod, of the spring is fixedly connected to the switch.

In order to place the coating pot to excessively slide upwards and fall off, further, a limiting ring is fixedly connected to the side wall of the coating pot, and the limiting ring is propped against the inner wall of the top of the machine body.

Compared with the prior art, the utility model provides a tablet rotary coating machine, which has the following beneficial effects:

1. this rotatory capsule machine of tablet, when using, rotate through the cam to can support coating jar reciprocating motion from top to bottom, at coating jar whereabouts in-process, the piece core in jar and coating material will intensive mixing, the device no longer uses traditional agitator to stir and mix, thereby solved the problem of smashing the piece core because of the puddler rotates, improved the coating yield, and make coating material and piece core mix through vibrations, thereby improved the contact frequency of coating material and piece core, thereby enable the better parcel of coating material on the piece core, thereby improved coating efficiency.

2. This rotatory capsule machine of tablet is through the spring that sets up on the control lever to when can making the butt board not support the control lever, the control lever is bounced and is reset, and the feed pump outage no longer supplies coating material, through the outage of resetting of control lever, thereby can make the feed pump can not carry coating material to the coating jar all the time, thereby can prevent that coating material from carrying too much influence coating effect.

Drawings

Fig. 1 is a schematic diagram of the front view structure of a tablet spin coater according to the present utility model;

fig. 2 is a schematic rear view of a rotary tablet coating machine according to the present utility model;

fig. 3 is a schematic diagram of the internal structure of a tablet spin coater according to the present utility model;

fig. 4 is a schematic diagram of a connection structure of a retaining plate and a control rod in a tablet spin coater according to the present utility model;

FIG. 5 is an enlarged schematic view of part A of a rotary tablet coating machine according to the present utility model;

fig. 6 is a schematic cross-sectional view of a coating pot in a tablet spin coater according to the present utility model.

In the figure: 1. a body; 101. a storage bin; 1011. a feed pipe; 102. a second rotating rod; 1021. a second gear; 1022. a retaining plate; 1023. a spring; 103. a power supply; 1031. a wire; 104. a switch; 1041. a control lever; 105. a feed pump; 106. a bracket; 2. a coating tank; 201. a cover plate; 202. a tank hole; 203. a limiting ring; 3. a feed pipe; 4. a blowing pipe; 5. a driving motor; 501. a first rotating lever; 5011. a first gear; 5012. a cam.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1:

referring to fig. 1 to 6, a tablet spin coater includes a body 1, and further includes:

a coating tank 2 slidably connected to the body 1;

a first rotating lever 501 rotatably connected in the body 1;

the cam 5012 is fixedly connected to the first rotating rod 501, and the cam 5012 is propped against the coating tank 2;

and the bracket 106 is fixedly connected to the machine body 1, and the bracket 106 is positioned right below the bottom wall of the coating pot 2.

The coating tank 2 is provided with a tank hole 202 for feeding and taking out tablet cores, the tank hole 202 is clamped with a cover plate 201, and the tablet cores and coating materials in the coating tank 2 can not leak out when the coating tank 2 shakes up and down through the arranged cover plate 201.

The coating tank 2 is fixedly connected with a blowing pipe 4 and a feeding pipe 3, the air outlet end of the blowing pipe 4 is tangent to the annular inner wall of the coating tank 2, and when the blowing pipe 4 blows air, blown hot air flows into the coating tank 2 along the inner wall of the coating tank 2.

The air inlet end of the blowing pipe 4 can be connected with an external air heater;

through setting the air-out end of the blowing pipe 4 to be tangent with the annular inner wall of the coating tank 2, when the blowing pipe 4 blows air, the blown hot air flows into the coating tank 2 along the inner wall of the coating tank 2, so that the hot air blown by the blowing pipe 4 does not directly blow a tablet core at a certain position, the hot air is uniformly conveyed into the coating tank 2, the heating effect on the tablet core and coating materials in the coating tank 2 is improved, and the coating can be more uniform.

The blowing pipe 4 and the feeding pipe 3 are elastic high temperature resistant pipes, and the blowing pipe 4 and the feeding pipe 3 are arranged to be elastic pipes, so that the blowing pipe 4 and the feeding pipe 3 cannot be broken due to the pulling of the coating tank 2 when the coating tank 2 slides up and down.

The machine body 1 is fixedly connected with a storage box 101 and a feed pump 105, the side wall of the storage box 101 is fixedly connected with a feed pipe 1011, one end of the feed pipe 1011 away from the storage box 101 is connected with the feed end of the feed pump 105, and the discharge end of the feed pump 105 is connected with a feed pipe 3.

The machine body 1 is also fixedly connected with a power supply 103 and a switch 104, the power supply 103, the switch 104 and the feeding pump 105 are electrically connected through a lead 1031, and a control rod 1041 is rotatably connected to the switch 104.

The first rotating rod 501 is fixedly connected with a first gear 5011, the side wall of the machine body 1 is rotationally connected with a second rotating rod 102, the second rotating rod 102 is fixedly connected with a second gear 1021, the first gear 5011 is meshed with the second gear 1021, the second gear 1021 is fixedly connected with a retaining plate 1022, and the retaining plate 1022 is abutted against the control rod 1041.

In the rotation process of the first gear 5011, the first gear 5011 rotates for 10 circles, and the second gear 1021 rotates for one circle, so that the feeding pump 105 can not always convey coating materials to the coating tank 2, the coating effect can be prevented from being influenced by excessive conveying of the coating materials, and the condition of excessive coating caused by excessive coating materials can not be caused.

The control rod 1041 is fixedly connected with a spring 1023, and one end of the spring 1023 away from the control rod 1041 is fixedly connected to the switch 104.

When the control rod 1041 is not propped against the control rod 1041 by the spring 1023 arranged on the control rod 1041, the control rod 1041 is sprung and reset, the coating material is not supplied by the power-off of the feeding pump 105, and the coating material is not always conveyed into the coating tank 2 by the power-off of the reset of the control rod 1041, so that the coating effect is prevented from being influenced by excessive conveying of the coating material.

The side wall of the coating tank 2 is fixedly connected with a limiting ring 203, and the limiting ring 203 is propped against the inner wall of the top of the machine body 1.

By the limiting ring 203 arranged on the coating pot 2, the coating pot 2 can not be separated from the machine body 1 due to excessive sliding in the process of sliding upwards.

Referring to fig. 1 to 6, in the use process, a tablet core to be coated is placed in a coating tank 2 by opening a cover plate 201, covering the cover plate 201, working by a driving motor 5, driving a driving end of the cover plate to be connected with a first rotating rod 501, rotating by the first rotating rod 501, driving a first gear 5011 fixedly connected with the first rotating rod 501 to rotate, rotating the first gear 5011 to drive a second gear 1021 meshed with the first gear 5011 to rotate, in the rotating process of the second gear 1021, a bearing plate 1022 fixedly connected with the second gear 1021 presses a control rod 1041, the control rod 1041 rotates on a switch 104 after being pressed, at the moment, the control rod 1041 is in contact with a clamping plate on the switch 104, at the moment, a complete circuit is formed by a power supply 103, the switch 104 and a feeding pump 105, the feeding pump 105 is electrified to pump coating materials in a storage tank 101, the pumped coating materials are conveyed through a conveying pipe 3, and the conveyed coating materials enter the coating tank 2 to be mixed with the tablet core;

referring to fig. 1 to 6, in the process of rotating the first rotating rod 501, the first rotating rod 501 drives the cam 5012 to rotate at the same time, when the long end of the cam 5012 rotates to the upper side, the cam 5012 props against the bottom wall of the coating pot 2, the coating pot 2 is jacked up by the rotation of the cam 5012, after the cam 5012 rotates rapidly, the long end of the cam 5012 rotates to the lower side, the coating pot 2 falls rapidly under the action of self gravity, and in the falling process, the tablet core and the coating material in the coating pot 2 are overturned, so that the two materials can be fully mixed, and the coating of the tablet core by the coating material is improved;

through cam 5012 rotation to can support coating jar 2 reciprocating motion from top to bottom, at coating jar 2 whereabouts in-process, the piece core in jar and coating material will intensive mixing, the device no longer uses traditional agitator to stir and mixes, thereby has solved the problem of smashing the piece core because of the puddler rotates, has improved the coating yield, and makes coating material and piece core mix through vibrations, thereby has improved the contact frequency of coating material and piece core, thereby can make the better parcel of coating material on the piece core, thereby improved coating efficiency.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims

1. A tablet spin coater comprising a body (1), characterized in that it further comprises:

a coating tank (2) which is connected on the machine body (1) in a sliding way;

a first rotating rod (501) is rotatably connected in the machine body (1);

a cam (5012) fixedly connected to the first rotating lever (501), said cam (5012) being in abutment with said coating tank (2);

the bracket (106) is fixedly connected to the machine body (1), and the bracket (106) is positioned right below the bottom wall of the coating tank (2).

2. A rotary tablet coating machine according to claim 1, characterized in that the coating tank (2) is fixedly connected with a blowing pipe (4) and a feeding pipe (3), the air outlet end of the blowing pipe (4) is tangential to the annular inner wall of the coating tank (2), and when the blowing pipe (4) blows, the blown hot air flows into the coating tank (2) along the inner wall of the coating tank (2).

3. The tablet spin coating machine according to claim 1, wherein a storage box (101) and a feed pump (105) are fixedly connected in the machine body (1), a feed pipe (1011) is fixedly connected to the side wall of the storage box (101), one end of the feed pipe (1011) far away from the storage box (101) is connected to the feed end of the feed pump (105), and the discharge end of the feed pump (105) is connected to the feed pipe (3).

4. A tablet spin coating machine according to claim 3, wherein a power supply (103) and a switch (104) are fixedly connected in the machine body (1), the power supply (103), the switch (104) and the feed pump (105) are electrically connected through a wire (1031), and a control rod (1041) is rotatably connected on the switch (104).

5. The tablet spin coating machine according to claim 4, wherein a first gear (5011) is fixedly connected to the first rotating rod (501), a second rotating rod (102) is rotatably connected to a side wall of the machine body (1), a second gear (1021) is fixedly connected to the second rotating rod (102), the first gear (5011) is meshed with the second gear (1021), a retaining plate (1022) is fixedly connected to the second gear (1021), and the retaining plate (1022) is abutted to the control rod (1041).

6. The rotary tablet coating machine according to claim 4, wherein a spring (1023) is fixedly connected to the control rod (1041), and one end of the spring (1023) away from the control rod (1041) is fixedly connected to the switch (104).

7. The rotary tablet coating machine according to claim 2, wherein a limiting ring (203) is fixedly connected to the side wall of the coating tank (2), and the limiting ring (203) abuts against the inner wall of the top of the machine body (1).