CN111821188A - Coating equipment and method and preparation method of heart disease treating pills - Google Patents

Abstract

The invention relates to a coating device and a method and a preparation method of heart treasure pills.A material to be coated and coating powder are put into a coating cavity of a coating pan body, a cover body of the coating pan body is closed, a rotary driving device drives the coating pan body to rotate, and coating work is carried out, so that the coating powder coats the material to be coated to obtain the coating material; when drying, open the lid, make capsule chamber and vacuum cavity intercommunication, with the vacuum cavity evacuation, dry, need not to carry out the transfer of material, the capsule pot body maintains the rotation this moment, and material dynamic motion under the vacuum state is to moist material and be heated and soften the material easily, and above-mentioned capsule equipment and method can avoid the condition emergence of caking adhesion, deformation in drying or transfer process.

Description

Coating equipment and method and preparation method of heart disease treating pills

Technical Field

The invention relates to the technical field of pill coating equipment, in particular to coating equipment and a coating method and a preparation method of heart pills.

Background

A sugar coating pan is a device for coating a coating layer on materials such as tablets/pills, the materials are rolled, slipped, rubbed and ground in the pan through the rotation of a pan body, so that coating powder is uniformly distributed on the materials, hot air is introduced into the pan body for drying, the moisture on the surface layer of the materials is removed, and finally, coated finished products are obtained.

However, in the case of a wet material and a material which is easily softened by heating, the material is likely to be agglomerated, adhered, or deformed during drying or transferring.

Disclosure of Invention

Therefore, there is a need for a coating apparatus and method to solve the problems of wet material and material that is easily softened by heat, and easily blocking, sticking and deforming during drying or transferring.

One object of the present invention is to provide a coating apparatus, which comprises the following scheme:

a coating apparatus comprising:

a base having a vacuum cavity;

the coating pan body is arranged in the vacuum cavity and comprises a main body and a cover body, the main body is provided with a coating cavity, and the cover body is arranged on the main body;

the rotary driving device is arranged on the base and connected with the coating pan body, and the rotary driving device can drive the coating pan body to rotate.

In one embodiment, the coating device further comprises a vacuum extractor, the vacuum extractor is communicated with the vacuum cavity, and the vacuum extractor is used for extracting vacuum from the vacuum cavity.

In one embodiment, the coating device further comprises a temperature adjusting device connected to the coating pan body for adjusting the temperature of the coating pan body.

In one embodiment, the temperature adjusting device comprises a jacket mechanism and a heating mechanism, the jacket mechanism is sleeved on the outer wall of the main body, a heating cavity capable of injecting a heat transfer medium is formed between the jacket mechanism and the main body, and the heating mechanism is used for heating the jacket mechanism.

In one embodiment, the coating device further comprises an inclination adjusting device connected with the coating pan body for adjusting the inclination angle of the coating pan body relative to the horizontal plane.

In one embodiment, the coating equipment further comprises a dust removing mechanism, and the dust removing mechanism is communicated with the vacuum cavity and used for removing dust in the vacuum cavity.

In one embodiment, a plurality of coating pan bodies are arranged in the vacuum cavity.

Another object of the present invention is to provide a coating method, wherein the scheme is as follows:

a coating method using the coating apparatus of any of the above embodiments, the coating method comprising the steps of:

putting a material to be coated and coating powder into a coating cavity of the coating pan body;

closing the cover body of the coating pan body, and driving the coating pan body to rotate by a rotation driving device so as to coat the coating powder on the material to be coated to obtain a coated material;

and opening the cover body to enable the coating cavity to be communicated with the vacuum cavity, vacuumizing the vacuum cavity, and rotating the coating pan body to dry the coating material to obtain the dry coating material.

The invention also aims to provide a preparation method of the heart treasure pill, which comprises the following steps:

a preparation method of a heart disease treating pill comprises the following steps:

mixing the heart-nourishing pill material powder, cinnamon oil and water to prepare wet pills, adding the wet pills into a coating pot body of the coating equipment in any embodiment, rotating the coating pot body, and carrying out first vacuum drying treatment to obtain dry pills;

mixing the Xinbao pill powder, medicinal carbon and talcum powder to obtain coating powder;

and adding the coating powder into the coating pan body, closing the cover body, rotating the coating pan body to coat the dry pills with the coating powder, opening the cover body, and performing second vacuum drying treatment to obtain the coated pills.

In one embodiment, the vacuum degree of the first vacuum drying treatment is-0.06-0.09 MPa, and the temperature is 45-60 ℃; and/or

The vacuum degree of the second vacuum drying treatment is-0.06-0.09 MPa, and the temperature is 45-60 ℃.

In one embodiment, the preparation method of the heart treasure pill powder comprises the following steps:

weighing ginseng and part of pseudo-ginseng in the prescription amount, crushing, adding ethanol for extraction, filtering to obtain a first extracting solution, concentrating the first extracting solution into an extract, and drying to obtain first dry extract powder;

weighing flos Daturae Metelis, adding ethanol for extraction, filtering to obtain a second extractive solution, concentrating the second extractive solution into extract, and oven drying to obtain a second dry extract powder;

weighing monkshood, crushing, carrying out water extraction and alcohol precipitation treatment to obtain a third extracting solution, concentrating the third extracting solution into an extract, and drying to obtain third dry extract powder;

weighing cinnamon, extracting by using a steam distillation method, collecting volatile oil to obtain cinnamon oil, adding water into dregs of a decoction for extraction, filtering to obtain a fourth extracting solution, concentrating the fourth extracting solution into an extract, and drying to obtain a fourth dry extract powder;

weighing cornu Cervi Pantotrichum, Borneolum Syntheticum, Moschus, Bufonis venenum and the rest Notoginseng radix in the prescription amount, pulverizing to obtain mixed powder, and mixing the mixed powder, the first dry extract powder, the second dry extract powder, the third dry extract powder and the fourth dry extract powder to obtain XINBAO pill powder.

Compared with the prior scheme, the coating equipment and the coating method and the preparation method of the heart treasure pills have the following beneficial effects:

the coating equipment and the coating method and the preparation method of the heart treasure pill are characterized in that materials to be coated and coating powder are put into a coating cavity of a coating pan body, a cover body of the coating pan body is closed, a rotary driving device drives the coating pan body to rotate, and coating work is carried out, so that the materials to be coated are coated by the coating powder to obtain the coating materials; when drying, open the lid, make capsule chamber and vacuum cavity intercommunication, with the vacuum cavity evacuation, open temperature regulation apparatus, dry, need not to carry out the transfer of material, the capsule pot body maintains the rotation this moment, and material dynamic motion under the vacuum state is to moist material and be heated and soften the material easily, and above-mentioned capsule equipment and method can avoid the condition emergence of caking adhesion, deformation in drying or transfer process.

Drawings

FIG. 1 is a schematic view showing the construction of a coating apparatus according to an embodiment;

FIG. 2 is another schematic view of the coating apparatus shown in FIG. 1;

FIG. 3 is a schematic structural view of a coating pan and a temperature adjusting device of the coating apparatus shown in FIG. 1.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

In the description of the present invention, it is to be understood that the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, a coating apparatus 100 according to an embodiment of the present invention includes a base 110, a coating pan 120, and a rotation driving device 130.

Wherein the base 110 has a vacuum chamber 112. A vacuum tube 140 is connected to the vacuum chamber 112, and evacuation through the vacuum tube 140 enables formation of a vacuum environment within the vacuum chamber 112.

The coating pan body 120 is disposed in the vacuum chamber 112, the coating pan body 120 includes a main body 122 and a cover 124, the main body 122 has a coating chamber for providing a coating working space, and the cover 124 is disposed on the main body 122 and can be opened or closed.

The rotation driving device 130 is disposed on the base 110, the rotation driving device 130 is connected to the coated pan body 120, and the rotation driving device 130 can drive the coated pan body 120 to rotate. The coating pan body 120 is arranged obliquely, and the pan bottom of the coating pan body 120 is arranged obliquely relative to the horizontal plane. The coating pan body 120 is connected with a rotating shaft 131, the rotating shaft 131 rotates to drive the coating pan body 120 to rotate, and materials in the coating cavity can roll under the action of gravity when the coating pan body rotates.

The number of coated pot bodies 120 in the vacuum chamber 112 is not limited to only one. In one example, a plurality of coated pan bodies 120, such as 2, 3, 5, 10, etc., are disposed in the same vacuum chamber 112. The coating pan bodies 120 are arranged in the same vacuum cavity 112, so that coating and drying operations can be performed on large batches of materials at the same time, and the production efficiency is higher.

In one example, the coating apparatus 100 further comprises a vacuum device (not shown) in communication with the vacuum chamber 112, the vacuum device being configured to evacuate the vacuum chamber 112.

In one example, the enrobing apparatus 100 further comprises a temperature regulating device connected to the enrobing pan body 120 for temperature regulation of the enrobing pan body 120.

In the illustrated embodiment, the temperature adjustment device includes a jacket mechanism 152 and a heating mechanism 156, the jacket mechanism 152 is sleeved on the outer wall of the main body 122 of the coated pan body 120, a heating cavity 154 capable of injecting a heat transfer medium is formed between the jacket mechanism 152 and the main body 122, wherein the heat transfer medium may be water, oil, or the like, and the heating mechanism 156 is used for heating the jacket mechanism 152 to accelerate the material drying process. The jacket mechanism 152 surrounds the outer wall of the main body 122, and by heating or stopping heating, the temperature of the heat transfer medium in the heating chamber 154 is raised or lowered, so that the temperature in the coating chamber can be adjusted and the temperature in the coating chamber can be made uniform.

The jacket mechanism 152 sleeve is fixedly connected with the outer wall of the main body 122 of the coating pan body 120 through a fixing bracket 158, so that the jacket mechanism 152 sleeve and the coating pan body 120 synchronously rotate.

The heating mechanism 156 may be a heating wire, proximate to the collet mechanism 152.

It will be appreciated that the temperature adjustment device includes a temperature detector (not shown) to detect the temperature of the heat transfer medium in the heating chamber 154 in real time, and the system controls the heating mechanism 156 to perform heating or stop heating according to the input command and the temperature fed back by the temperature detector, so as to achieve the temperature adjustment effect. The temperature adjusting device in the example is sensitive to control, can effectively maintain the fluctuation of the temperature within the control range, can effectively avoid the phenomenon of local overheating in the dynamic drying process, and can keep effective components to the maximum extent, ensure the drying efficiency and improve the productivity due to low-temperature drying under high vacuum.

In the particular example shown, the angle of inclination of the heating mechanism 156 and the enrobed pan body 120 relative to the horizontal is synchronously adjustable.

In one example, the enrobing apparatus 100 further comprises an inclination adjusting device connected with the enrobing pan body 120 for adjusting the inclination angle of the enrobing pan body 120 with respect to the horizontal plane. In this example, the inclination angle of the coating pan body 120 relative to the horizontal plane can be adjusted according to the adhesion degree of different materials, so as to adjust the centrifugal force and obtain a better coating drying effect.

In one example, the enrobing apparatus 100 further comprises a suction mechanism in communication with the vacuum chamber 112. Dust is easily lifted during the process of adding the coating powder into the equipment, and the dust in the vacuum cavity 112 can be removed through the dust suction mechanism. After the coating operation and before the drying operation, the residual powder in the coating pan body can be removed by the dust suction mechanism.

Further, in one example, the dust suction mechanism includes a dust collector having a collection chamber for collecting dust, and a dust removal duct 160 communicating with the dust removal duct 160, the dust removal duct 160 communicating with the vacuum chamber 112 for pumping out dust in the vacuum chamber 112.

In one example, a sealing member 116 is disposed between the rotating shaft 131 and the housing 110.

In one example, the base 110 is provided with a temperature adjusting operation mechanism 171, a vacuum gauge 172, a vacuum degree adjusting operation mechanism 173, and a pot body rotating speed adjusting operation mechanism 174, and the cavity door 180 of the vacuum cavity 112 is provided with an observation window 182, so that an operator can conveniently control the device.

Further, the invention also provides a coating method, which comprises the following steps:

putting materials to be coated and coating powder into a coating cavity of the coating pan body 120;

closing the cover 124 of the coating pan body 120, and driving the coating pan body 120 to rotate by the rotation driving device 130, so that the coating powder coats the material to be coated to obtain a coating material;

and opening the cover body 124 to communicate the coating cavity with the vacuum cavity 112, vacuumizing the vacuum cavity 112, and rotating the coating pan body 120 to dry the coating material to obtain the dry coating material.

Further, the invention also provides a preparation method of the heart treasure pill, which comprises the following steps:

mixing the heart-nourishing pill powder, cinnamon oil and water to prepare wet pills, adding the wet pills into a coating pot body 120 of the coating equipment 100 of any one of the examples, rotating the coating pot body 120, and performing first vacuum drying treatment to obtain dry pills;

mixing the Xinbao pill powder, medicinal carbon and talcum powder to obtain coating powder;

adding the coating powder into the coating pan body 120, closing the cover body 124, rotating the coating pan body 120 to coat the dry pills with the coating powder, opening the cover body 124, and performing a second vacuum drying treatment to obtain the coated pills.

In one example, the vacuum degree of the first vacuum drying treatment is-0.06-0.09 MPa, and the temperature is 45-60 ℃.

In one example, the vacuum degree of the second vacuum drying treatment is-0.06-0.09 MPa, and the temperature is 45-60 ℃.

In one example, the preparation method of the heart treasure pill powder comprises the following steps:

weighing ginseng and part of pseudo-ginseng in the prescription amount, crushing, adding ethanol for extraction, filtering to obtain a first extracting solution, concentrating the first extracting solution into an extract, and drying to obtain first dry extract powder;

weighing flos Daturae Metelis, adding ethanol for extraction, filtering to obtain a second extractive solution, concentrating the second extractive solution into extract, and oven drying to obtain a second dry extract powder;

weighing radix Aconiti lateralis, pulverizing, extracting with water, precipitating with ethanol to obtain a third extractive solution, concentrating the third extractive solution into extract, and oven drying to obtain a third dry extract powder;

weighing cortex Cinnamomi, extracting by steam distillation, collecting volatile oil to obtain oleum Cinnamomi, extracting the residue with water, filtering to obtain fourth extractive solution, concentrating the fourth extractive solution to obtain extract, and oven drying to obtain fourth dry extract powder;

weighing cornu Cervi Pantotrichum, Borneolum Syntheticum, Moschus, Bufonis venenum and the rest Notoginseng radix in the prescription amount, pulverizing to obtain mixed powder, and mixing the mixed powder, the first dry extract powder, the second dry extract powder, the third dry extract powder and the fourth dry extract powder to obtain XINBAO pill powder.

In one example, the preparation method of the heart treasure pill comprises the following steps:

weighing ginseng and 30-60% of pseudo-ginseng according to the prescription amount, crushing, adding 65-90% of ethanol with mass concentration, extracting for multiple times, 1-3h each time, filtering, combining extracting solutions to obtain a first extracting solution, concentrating the first extracting solution into an extract, and drying to obtain first dry extract powder.

Weighing flos Daturae Metelis, adding 65% -90% ethanol, extracting for 1-3 hr for several times, filtering, mixing extractive solutions to obtain a second extractive solution, concentrating the second extractive solution to obtain extract, and oven drying to obtain a second dry extract.

Weighing radix Aconiti lateralis, pulverizing, adding water, extracting with water, precipitating with ethanol to obtain a third extractive solution, concentrating the third extractive solution to obtain an extract, and oven drying to obtain a third dry extract powder.

Weighing cortex Cinnamomi, extracting by steam distillation, collecting volatile oil to obtain oleum Cinnamomi, extracting the residue with water for 1-3 hr for several times, filtering, mixing extractive solutions to obtain a fourth extractive solution, concentrating the fourth extractive solution to obtain extract, and oven drying to obtain a fourth dry extract powder.

Weighing cornu Cervi Pantotrichum, Borneolum Syntheticum, Moschus, Bufonis venenum and the rest Notoginseng radix in the prescription amount, pulverizing to obtain mixed powder, and mixing the mixed powder, the first dry extract powder, the second dry extract powder, the third dry extract powder and the fourth dry extract powder to obtain XINBAO pill powder.

Taking 0.2% -1% of the prepared heart pill powder, adding cinnamon oil and water, adding 0.06kg-0.14kg of water into each kilogram of heart pill powder, and adding into a trough type mixer to prepare a soft material. Making the soft material into wet pill by a medicine refining machine and a pill making machine. The wet pellets are screened by a drum screen and added to the coating pan 120 of the coating apparatus 100. Setting the temperature of the pot body at 45-60 ℃, the vacuum degree of the box body at-0.06-0.09 MPa, maintaining the rotation process, and performing vacuum drying at low temperature for about 4-7 hours (the moisture content of the material is less than or equal to 9 percent) to obtain dry pills;

taking Xinbao pill material powder, medicinal carbon and talcum powder, adding 0.06kg-0.14kg of medicinal carbon into each kg of dry pills, adding 0.04kg-0.12kg of talcum powder into each kg of dry pills, and mixing to obtain coating powder;

spraying 40-80% ethanol on the dry pill for moistening, adding the coating powder into the coating pan body 120, closing the cover body 124, rotating the coating pan body 120, setting the pan body temperature at 45-60 deg.C and the vacuum degree of the box body at-0.06-0.09 MPa, maintaining the rotating process, and vacuum drying at low temperature for 2-5 hr (material moisture is less than or equal to 9%) to obtain the coated pill.

Polishing the coated pill to obtain the heart-nourishing pill.

In traditional equipment, to wet material and the material that softens easily of being heated, the condition of caking adhesion, deformation takes place easily in drying or transfer process. In addition, the local heating is carried out by adopting an air blower blowing mode, the heating efficiency is low, and the materials with larger particle sizes cannot quickly reach the drying requirement. For materials which are easy to soften when heated, the materials are difficult to ensure not to deform by adopting a drying tray, a crawler belt and other relative static drying modes, and the materials are easy to extrude and deform by adopting a dynamic drying box because the drying box is generally provided with a stirring paddle or a guide plate.

According to the coating equipment 100 and the coating method and the preparation method of the heart-treasure pills, as the materials are dynamic and are carried out in a vacuum state, moisture in the materials is easy to disperse, and the drying efficiency is greatly improved. The material keeps the dynamic state before and after drying all the time, is not influenced by the stirring of the paddle or the resistance of the guide plate, can maintain the appearance after coating to the maximum extent, and simultaneously has controllable temperature, so the property of the dried material can not be changed, and the consistency of the dried material is ensured.

In addition, the coating and the drying are carried out in the same equipment, so that a large amount of charging and discharging time can be saved, the efficiency is obviously improved, the labor intensity of workers is greatly reduced, and the problems of moisture absorption, easiness in softening materials when being heated, easiness in caking and deformation in the transfer process and the like can be solved. The coating and drying processes are completed in the coating pan body 120, so that the pollution is less and the cleaning is convenient.

The coating equipment 100 and the method are suitable for coating and drying solid materials in the industries of medicines, foods, health products and the like.

The following specific examples are provided to illustrate the present invention, but the present invention is not limited to the following specific examples, and it should be understood that the appended claims outline the scope of the present invention and those skilled in the art, guided by the inventive concept, will appreciate that certain changes made to the embodiments of the present invention will be covered by the spirit and scope of the claims of the present invention.

Concrete example 1

Referring to fig. 1 to 3, the present embodiment provides a coating apparatus 100, which includes a base 110, a coating pan 120, a rotation driving device 130, a vacuum pumping device, a temperature adjusting device, an inclination adjusting device, a dust removing pipe 160, and a dust collector.

The base 110 has a vacuum chamber 112. The vacuum-pumping device is communicated with the vacuum chamber 112, and the vacuum-pumping device is used for vacuumizing the vacuum chamber 112. The coating pan body 120 is disposed in the vacuum chamber 112, the coating pan body 120 includes a main body 122 and a cover 124, the main body 122 has a coating chamber for providing a coating working space, and the cover 124 is disposed on the main body 122 and can be opened or closed.

The rotation driving device 130 is disposed on the base 110, the rotation driving device 130 is connected to the coating pan body 120, and the driving device can drive the coating pan body 120 to rotate.

The temperature adjusting device comprises a jacket mechanism 152 and a heating mechanism 156, the jacket mechanism 152 is sleeved on the outer wall of the main body 122 of the coated pot body 120, the jacket mechanism 152 is fixedly connected with the outer wall of the main body 122 of the coated pot body 120 through a fixing support 158, a heating cavity 154 capable of being filled with heat transfer medium is formed between the jacket mechanism 152 and the main body 122, the heating mechanism 156 is used for heating the jacket mechanism 152, and the inclination angles of the heating mechanism 156 and the coated pot body 120 relative to the horizontal plane can be synchronously adjusted.

The vacuum cleaner has a collecting chamber for collecting dust, the vacuum cleaner is connected to a dust removal pipe 160, and the dust removal pipe 160 is connected to the vacuum chamber 112.

Concrete example 2

The present embodiment provides a coating apparatus 100, which is different from embodiment 1 in that the number of coating pan bodies 120 in the vacuum chamber 112 is 3, so that coating and drying operations can be performed on a large amount of materials at the same time, and the production efficiency is higher.

Specific example 3

The specific example provides a preparation method of a heart treasure pill, which comprises the following steps:

weighing ginseng and 40% of pseudo-ginseng according to the prescription amount, crushing, adding 70% of ethanol with mass concentration for extraction twice, each time for 2 hours, filtering, combining extracting solutions to obtain a first extracting solution, concentrating the first extracting solution into an extract, and drying to obtain first dry paste powder.

Weighing flos Daturae Metelis, adding 70% ethanol, extracting twice, each for 2 hr, filtering, mixing extractive solutions to obtain a second extractive solution, concentrating the second extractive solution into extract, and oven drying to obtain a second dry extract powder.

Weighing radix Aconiti lateralis, pulverizing, adding water, extracting with water, precipitating with ethanol to obtain a third extractive solution, concentrating the third extractive solution to obtain an extract, and oven drying to obtain a third dry extract powder.

Weighing cortex Cinnamomi, extracting by steam distillation, collecting volatile oil to obtain oleum Cinnamomi, extracting the residue with water twice each for 2 hr, filtering, mixing extractive solutions to obtain a fourth extractive solution, concentrating the fourth extractive solution into extract, and oven drying to obtain a fourth dry extract powder.

Weighing cornu Cervi Pantotrichum, Borneolum Syntheticum, Moschus, Bufonis venenum and the rest Notoginseng radix in the prescription amount, pulverizing to obtain mixed powder, and mixing the mixed powder, the first dry extract powder, the second dry extract powder, the third dry extract powder and the fourth dry extract powder to obtain XINBAO pill powder.

Taking 0.3% of the prepared heart pill powder, adding cinnamon oil and water, adding 0.08kg of water into each kilogram of heart pill powder, and adding into a groove-type mixer to prepare a soft material. Making the soft material into wet pill by a medicine refining machine and a pill making machine. The wet pellets are screened by a drum screen and added to the coating pan 120 of the coating apparatus 100. Setting the temperature of the pot body to be 55 ℃, the vacuum degree of the box body to be 0.08MPa, maintaining the rotation process, and carrying out vacuum drying at low temperature for about 6 hours (the moisture of the material is less than or equal to 9 percent) to obtain dry pills;

taking Xinbao pill material powder, medicinal carbon and talcum powder, adding 0.1kg of medicinal carbon into each kg of dry pills, adding 0.1kg of talcum powder into each kg of dry pills, and mixing to obtain coating powder;

spraying 70% ethanol on the dry pill, moistening, adding coating powder into the coating pan body 120, closing the cover 124, rotating the coating pan body 120, setting the pan body temperature at 50 deg.C and the vacuum degree of the box body at-0.08 MPa, maintaining the rotation process, and vacuum drying at low temperature for 3.5 hr (material moisture is less than or equal to 9%) to obtain coated pill.

Polishing the coated pill to obtain the heart-nourishing pill.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A coating apparatus, comprising:

the engine base is provided with a vacuum cavity which can form a vacuum environment;

the coating pan body is arranged in the vacuum cavity and comprises a main body and a cover body, the main body is provided with a coating cavity, and the cover body is arranged on the main body;

the rotary driving device is arranged on the base and connected with the coating pan body, and the rotary driving device can drive the coating pan body to rotate.

2. The coating apparatus according to claim 1, further comprising a vacuum evacuation device in communication with the vacuum chamber, the vacuum evacuation device for evacuating the vacuum chamber.

3. The coating apparatus as claimed in claim 1, further comprising a temperature regulating device connected to the coating pan for temperature regulation of the coating pan.

4. The coating apparatus according to claim 3, wherein the temperature adjusting device comprises a jacket mechanism and a heating mechanism, the jacket mechanism is sleeved on the outer wall of the main body, a heating cavity capable of injecting a heat transfer medium is formed between the jacket mechanism and the main body, and the heating mechanism is used for heating the jacket mechanism.

5. The coating apparatus according to any one of claims 1 to 4, further comprising an inclination adjusting device connected to the coating pan body for adjusting an inclination angle of a pan bottom of the coating pan body with respect to a horizontal plane.

6. The coating apparatus according to any one of claims 1 to 4, further comprising a dust removing mechanism in communication with the vacuum chamber for removing dust from the vacuum chamber.

7. The coating apparatus according to any one of claims 1 to 4, wherein a plurality of coating pan bodies are provided in the vacuum chamber.

8. A coating method using the coating apparatus according to any one of claims 1 to 7, comprising the steps of:

putting a material to be coated and coating powder into a coating cavity of the coating pan body;

closing the cover body of the coating pan body, and controlling a rotation driving device to drive the coating pan body to rotate so as to enable coating powder to coat the material to be coated to obtain a coated material;

and opening the cover body to communicate the coating cavity with the vacuum cavity, vacuumizing the vacuum cavity, rotating the coating pan body, and opening the temperature regulating device to dry the coating material.

9. A preparation method of heart disease treating pills is characterized by comprising the following steps:

mixing the heart-nourishing pill material powder, cinnamon oil and water to prepare wet pills, adding the wet pills into a coating pot body of the coating equipment according to any one of claims 1-7, rotating the coating pot body, and performing first vacuum drying treatment to obtain dry pills;

mixing the Xinbao pill powder, medicinal carbon and talcum powder to obtain coating powder;

and adding the coating powder into the coating pan body, closing the cover body, rotating the coating pan body to coat the dry pills with the coating powder, opening the cover body, and performing second vacuum drying treatment to obtain the coated pills.

10. The preparation method according to claim 9, wherein the degree of vacuum of the first vacuum drying treatment is-0.06 to 0.09MPa, and the temperature is 45 to 60 ℃; and/or

The vacuum degree of the second vacuum drying treatment is-0.06-0.09 MPa, and the temperature is 45-60 ℃.

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