A coating machine with uniform coating
By setting up a stirring mechanism and a raised edge in the coating machine, combined with the coating detergent spraying mechanism, the problems of pill stacking and uneven coating are solved, and the pills are fully turned and the coating liquid is uniformly distributed, improving the uniformity and dispersion of the coating.
Patent Information
- Application Number
- CN202420848994.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-04-23
AI Technical Summary
During the rotation of existing coating machines, pills are prone to accumulate, resulting in the sprayed coating liquid being unable to be evenly distributed on the surface of the medicine, making the coating unevenly.
A coating machine with uniform coating is designed, using an interlaced arrangement of a stirring mechanism and a convex rib, combined with a coating liquid spraying mechanism to ensure that the pills are fully turned and dispersed during rotation, and the coating liquid is sprayed evenly.
Through the design of the stirring mechanism and convex ribs, avoid pill accumulation, ensure uniform distribution of coating liquid, improve the uniformity of coating and the dispersion of pills, and avoid adhesions.
Smart Images

Figure CN222738250U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pharmaceutical devices, in particular to a coating machine with uniform coating. Background Art
[0002] In the production process of solid pharmaceutical preparations, in order to cover up the smell of the drug, prevent moisture, avoid light, and control the release site and release rate of the drug when used, the solid pharmaceutical preparation needs to be coated. Sugar or other film-forming materials are coated on the outer surface of the solid pharmaceutical preparation, so that after drying, it becomes a layer or several layers of multifunctional protective layers of different thicknesses and elasticities that are tightly adhered to the surface. This multifunctional protective layer is called a coating.
[0003] The equipment for coating solid drug preparations is called a coating machine. During the rotation process of existing coating machines, the pills tend to pile up together, resulting in the sprayed coating liquid being unable to be evenly distributed on the surface of the drug, making the coating uneven. Utility Model Content
[0004] The utility model aims to solve the technical problem that the pills in the existing coating machine are easy to pile up together, so that the sprayed coating liquid cannot be evenly distributed on the surface of the medicine, resulting in uneven coating. The utility model aims to provide a coating machine with uniform coating, which can fully turn the pills to avoid pill accumulation, spray the coating liquid evenly, and disperse the pills after spraying the coating liquid to avoid adhesion.
[0005] The utility model is realized by the following technical solutions:
[0006] A coating machine with uniform coating comprises a frame and a coating body, wherein the inner wall of the coating body is provided with a stirring mechanism and convex ridges, the stirring mechanism and the convex ridges are arranged in a staggered manner, the coating body is connected with a coating liquid spraying mechanism, the outer wall of the coating body is connected with a transmission mechanism, and the outer wall of the coating body is slidably connected to the frame.
[0007] As a further technical solution of the utility model, the stirring mechanism includes a connecting seat and a stirring blade, the stirring blade is fixed on the connecting seat, and at least two stirring blades are provided.
[0008] As a further technical solution of the utility model, the stirring blade is a crescent-shaped stirring blade.
[0009] As a further technical solution of the utility model, the convex ridge is arranged along the length direction of the coating machine body, and the convex ridge matches the inner length dimension of the coating machine body.
[0010] As a further technical solution of the utility model, the coating liquid spraying mechanism includes a coating liquid delivery pipe and a coating liquid nozzle, the coating liquid delivery pipe is rotatably connected to the coating body, the coating liquid delivery pipe extends into the interior of the coating body, and the coating liquid nozzle is evenly arranged on the coating liquid delivery pipe.
[0011] As a further technical solution of the utility model, the coating liquid delivery pipe is communicated with a coating liquid storage box, and the coating liquid storage box is installed on the frame.
[0012] As a further technical solution of the utility model, the transmission mechanism includes a first gear, a second gear and a motor, the first gear is fixed to the outer wall of the coating body, the first gear and the second gear are meshed and connected, and the second gear is connected to the output end of the motor.
[0013] As a further technical solution of the utility model, a pulley is installed on the outer wall of the coating machine, and a slide rail is installed on the frame.
[0014] As a further technical solution of the utility model, the coating machine body comprises an outer shell and an internal coating cylinder, a heating chamber is provided between the outer shell and the coating cylinder, and an electric heating mechanism is installed in the heating chamber.
[0015] As a further technical solution of the utility model, a sealed glass door is connected to the outward end of the coating machine body.
[0016] Compared with the prior art, the utility model has the following advantages and beneficial effects:
[0017] 1. The utility model can achieve a turning effect along with the pills by setting a stirring mechanism, thereby avoiding the accumulation of pills, allowing the sprayed coating liquid to be evenly distributed on the surface of the pills, and at the same time allowing the pills sprayed with the coating liquid to be fully dispersed to avoid adhesion.
[0018] 2. The utility model can increase the friction of the inner wall of the coating machine by providing convex ridges, thereby increasing the movement amplitude of the pills during the stirring process and improving the effect of the pill turning.
[0019] 3. The utility model can evenly spray the coating liquid onto the pills by arranging the coating liquid spraying mechanism, thereby improving the uniformity of the coating liquid distribution. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The drawings described herein are used to provide a further understanding of the embodiments of the present utility model, constitute a part of this application, and do not constitute a limitation of the embodiments of the present utility model. In the drawings:
[0021] Figure 1 It is a schematic diagram of the structure of the utility model;
[0022] Figure 2It is a side view of the utility model;
[0023] Figure 3 It is a schematic diagram of the structure of the stirring mechanism and convex ridges in the coating cylinder.
[0024] Marks and corresponding parts names in the attached drawings:
[0025] 1-frame, 2-coating body, 201-shell, 202-coating cylinder, 203-heating chamber, 204-electric heating mechanism, 205-sealed glass door, 3-stirring mechanism, 301-connecting seat, 302-stirring blade, 4-convex ridge, 5-slide rail, 6-pulley, 7-coating liquid storage box, 8-coating liquid spraying mechanism, 801-coating liquid delivery pipe, 802-coating liquid nozzle, 9-transmission mechanism, 901-first gear, 902-second gear, 903-motor. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with embodiments and drawings. The schematic implementation manner of the utility model and its description are only used to explain the utility model and are not intended to limit the utility model.
[0027] In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present invention. However, it is apparent to those skilled in the art that these specific details are not necessary to implement the present invention. In other embodiments, in order to avoid confusing the present invention, well-known structures, circuits, materials or methods are not specifically described.
[0028] Throughout the specification, references to "one embodiment," "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in conjunction with the embodiment or example is included in at least one embodiment of the present invention. Therefore, the phrases "one embodiment," "an embodiment," "an example," or "an example" appearing in various places throughout the specification do not necessarily all refer to the same embodiment or example. In addition, particular features, structures, or characteristics may be combined in one or more embodiments or examples in any suitable combination and / or sub-combination. In addition, it will be appreciated by those of ordinary skill in the art that the figures provided herein are for illustrative purposes and that the figures are not necessarily drawn to scale. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0029] In the description of the present invention, the terms "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limiting the scope of protection of the present invention.
[0030] Example 1
[0031] This embodiment 1 provides a coating machine with uniform coating, such as Figure 1-Figure 3 As shown, it includes a frame 1 and a coating body 2, the inner wall of the coating body 2 is provided with a stirring mechanism 3 and a convex ridge 4, the stirring mechanism 3 and the convex ridge 4 are arranged alternately, the coating body 2 is connected with a coating liquid spraying mechanism 8, the outer wall of the coating body 2 is connected with a transmission mechanism 9, and the outer wall of the coating body 2 is slidably connected to the frame 1.
[0032] When the utility model is in use, the pills to be processed are put into the coating machine body 2, the coating machine body 2 rotates, and the coating liquid spraying mechanism 8 sprays the coating liquid on the surface of the pills. The stirring mechanism 3 can be set to turn over the pills to avoid pill accumulation, so that the sprayed coating liquid can be evenly distributed on the surface of the pills, and the pills sprayed with the coating liquid can be fully dispersed to avoid adhesion. The convex ridges 4 can increase the friction of the inner wall of the coating machine body 2, increase the movement amplitude of the pills during the stirring process, and improve the effect of pill turning. The coating liquid spraying mechanism 8 can be set to spray the coating liquid evenly on the pills, thereby improving the uniformity of coating liquid distribution.
[0033] In one or more embodiments of the present invention, the stirring mechanism 3 includes a connection seat 301 and a stirring blade 302, the stirring blade 302 is fixed on the connection seat 301, and at least two stirring blades 302 are provided. Specifically, the present invention provides four stirring blades 302, and the stirring blades 302 are crescent-shaped stirring blades. During the rotation of the coating machine body 2, the stirring blades 302 can stir the pills to avoid pill accumulation, so that the sprayed coating liquid can be evenly distributed on the surface of the pills, and at the same time, the pills sprayed with the coating liquid are fully dispersed to avoid adhesion.
[0034] In one or more embodiments of the present invention, the ridges 4 are arranged along the length direction of the coating body 2, and the ridges 4 match the inner length of the coating body 2. The ridges 4 can increase the friction of the inner wall of the coating body 2, increase the movement amplitude of the pills during stirring, improve the effect of pill tumbling, and further improve the coating uniformity.
[0035] In one or more embodiments of the present invention, the coating liquid spraying mechanism 8 includes a coating liquid delivery pipe 801 and a coating liquid spray head 802, wherein the coating liquid delivery pipe 801 is rotatably connected to the coating machine body 2, the coating liquid delivery pipe 801 extends into the coating machine body 2, and the coating liquid spray head 802 is evenly arranged on the coating liquid delivery pipe 801. The coating liquid delivery pipe 801 is connected to the coating liquid storage box 7, and the coating liquid storage box 7 is installed on the frame 1.
[0036] The coating liquid delivery pipe 801 is provided to facilitate the delivery of the coating liquid in the coating liquid storage box 7 to the coating machine body 2, and the coating liquid is sprayed out through the coating liquid spray nozzle 802, which can ensure that the coating liquid contacts the pills more evenly.
[0037] In one or more embodiments of the present invention, the transmission mechanism 9 includes a first gear 901, a second gear 902 and a motor 903, wherein the first gear 901 is fixed to the outer wall of the coating body 2, the first gear 901 and the second gear 902 are meshed and connected, and the second gear 902 is connected to the output end of the motor 903. The motor 903 provides rotational power for the coating body 2, and the first gear 901 and the second gear 902 are meshed as a power transmission mechanism to transmit the power of the motor 903 to the coating body 2.
[0038] In one or more embodiments of the present invention, a pulley 6 is installed on the outer wall of the coating body 2, and a slide rail 5 is installed on the frame 1. By arranging the pulley 6 and the slide rail 5 to cooperate with each other, a sliding connection between the coating body 2 and the frame 1 is achieved, and the rotation stability of the coating body 2 is guaranteed.
[0039] In one or more embodiments of the present invention, the coating machine body 2 includes an outer shell 201 and an inner coating cylinder 202, a heating chamber 203 is provided between the outer shell 201 and the coating cylinder 202, an electric heating mechanism 204 is installed in the heating chamber 203, and a sealed glass door 205 is connected to the outer end of the coating machine body 2. The electric heating mechanism 204 is provided to heat the air and provide a heat source for drying the pills after coating, and the heating chamber 203 is provided to transfer heat to the inside of the coating cylinder 202, and the heating chamber 203 is provided to fill the inside with hot air, so that the heat transferred to the coating cylinder 202 is more uniform.
[0040] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only the specific implementation method of the utility model and is not used to limit the protection scope of the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A coating machine for uniform coating, comprising a frame (1) and a coating machine body (2), characterized in that: The inner wall of the coating machine body (2) is provided with a stirring mechanism (3) and convex ridges (4), and the stirring mechanism (3) and the convex ridges (4) are arranged in a staggered manner. The coating machine body (2) is internally connected with a coating liquid spraying mechanism (8), and the outer wall of the coating machine body (2) is connected with a transmission mechanism (9), and the outer wall of the coating machine body (2) is slidably connected with the frame (1).
2. A coating machine with uniform coating according to claim 1, characterized in that: The stirring mechanism (3) comprises a connecting seat (301) and a stirring blade (302). The stirring blade (302) is fixed on the connecting seat (301). At least two stirring blades (302) are provided.
3. A coating machine with uniform coating according to claim 2, characterized in that: The stirring blade (302) is a crescent-shaped stirring blade.
4. A coating machine with uniform coating according to claim 1, characterized in that: The convex rib (4) is arranged along the length direction of the coating machine body (2), and the convex rib (4) matches the inner length dimension of the coating machine body (2).
5. A coating machine with uniform coating according to claim 1, characterized in that: The coating liquid spraying mechanism (8) comprises a coating liquid delivery pipe (801) and a coating liquid nozzle (802); the coating liquid delivery pipe (801) is rotatably connected to the coating machine body (2); the coating liquid delivery pipe (801) extends into the interior of the coating machine body (2); and the coating liquid nozzle (802) is evenly arranged on the coating liquid delivery pipe (801).
6. A coating machine with uniform coating according to claim 5, characterized in that: The coating liquid delivery pipe (801) is connected to the coating liquid storage box (7), and the coating liquid storage box (7) is installed on the frame (1).
7. A coating machine with uniform coating according to claim 1, characterized in that: The transmission mechanism (9) comprises a first gear (901), a second gear (902) and a motor (903), wherein the first gear (901) is fixed to the outer wall of the coating machine body (2), the first gear (901) and the second gear (902) are meshedly connected, and the second gear (902) is connected to the output end of the motor (903).
8. A coating machine with uniform coating according to claim 1, characterized in that: The outer wall of the coating machine body (2) is provided with a pulley (6), and the frame (1) is provided with a slide rail (5).
9. A coating machine with uniform coating according to claim 1, characterized in that: The coating machine body (2) comprises an outer shell (201) and an inner coating cylinder (202); a heating chamber (203) is provided between the outer shell (201) and the coating cylinder (202); and an electric heating mechanism (204) is installed in the heating chamber (203).
10. A coating machine for uniform coating according to claim 1, characterized in that: The outward end of the coating machine body (2) is connected to a sealed glass door (205).