Vacuum dryer for preparing film coating premix

Abstract

The utility model discloses a vacuum drier for preparing a film coating premix, which comprises a case, a drying cavity is arranged in the case, a rotating disc is rotatably mounted in the back of the drying cavity through a bearing, a plurality of suspension shafts are fixedly mounted on the outer surface of the rotating disc, and the suspension shafts are circumferentially distributed at equal intervals through the center circle point of the rotating disc. Each suspension shaft is fixedly sleeved with two bearings, lower supporting rods are fixedly installed on the lower surfaces of the two bearings, a carrying basket is fixedly installed between the two lower supporting rods, a plurality of vent holes are formed in the outer wall of the periphery of the carrying basket, and small vibrators are fixedly installed on the outer walls of the two sides of the carrying basket. By means of continuous rotating conversion of stations, the situation that a single carrying structure is always located at the position of a hot air outlet can be effectively avoided, the situation that an upper layer structure and a lower layer structure are uneven in drying is avoided, the drying uniformity is effectively improved, and the drying efficiency is improved. And the use effect of uniform drying is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the preparation technical field of premix, concretely to a vacuum drying machine for film-coated premix preparation. BACKGROUND

[0002] The vacuum drying machine is a kind of low-temperature equipment for heating material in vacuum, and is used for dehydration and drying of high-value-added and heat-sensitive agricultural and sideline products, health products, food, medicinal materials and chemical raw materials;

[0003] The film-coated premix is a kind of pharmaceutical excipient, mainly used for forming a thin film on the surface of solid pharmaceutical preparation to protect, change drug release rule, improve appearance and cover up the bad smell of drug; the film-coated premix is a kind of powder mixture formed by mixing film-forming material and other auxiliary materials in a certain proportion, and belongs to the "excipient" category regulated in pharmaceutical management regulations. The premix is dissolved by using appropriate solvent, and then sprayed on tablets to form film-coated tablets;

[0004] In the preparation of the existing film-coated premix, the raw materials need to be dried, at which time the vacuum drying machine is used, but the raw materials are easily not dried uniformly due to the height difference when put into the drying machine with the traditional upper and lower structure, that is, the materials close to the air outlet at the upper end are too dry, and the materials far away from the air outlet at the bottom end are not dry enough, so there is the technical problem of poor drying uniformity. Therefore, the utility model provides a vacuum drying machine for film-coated premix preparation with uniform drying. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a vacuum drying machine for film-coated premix preparation to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a vacuum drying machine for film-coated premix preparation, including the machine case, the inside of machine case is provided with drying cavity, the inside of drying cavity back is rotatably installed with rotary disc through bearing, the outer surface of rotary disc is fixedly installed with a plurality of suspension shafts, a plurality of suspension shafts are distributed in equidistance circle through the center point of rotary disc, two bearings are fixedly sleeved on each suspension shaft, the lower surface of two bearings is fixedly installed with lower support rod, and the lower support rod is fixedly installed with object supporting basket between two lower support rods, a plurality of air holes are formed on the outer wall of object supporting basket, small vibrator is fixedly installed on the outer wall of both sides of object supporting basket, and the back outer wall of machine case is fixedly installed with rotary motor through fixed bolt, and the output shaft of rotary motor is fixedly connected with rotary disc.

[0007] Preferably, the upper end of the cabinet top surface is fixedly installed with an upper mounting plate, and the upper surface of the upper mounting plate is fixedly installed with a hot air blower through bolts.

[0008] Preferably, the lower air outlet end of the hot air blower and located on the outer wall of the cabinet top end is provided with an air outlet, and the outer part of the air outlet is provided with a wind collecting cover.

[0009] Preferably, the inner wall of the drying cavity is fixedly installed with a temperature sensor on one side, and the outer surface of the cabinet is fixedly installed with a vacuum port on the other side.

[0010] Preferably, the outer wall of the drying cavity is hingedly connected with a sealing door through a hinge, and the sealing door is fixedly installed with a handle.

[0011] Preferably, the top end of the cabinet is fixedly installed with a display screen, and a plurality of keys are fixedly installed on one side of the display screen and located on the outer surface of the cabinet.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The rotating motor can drive the rotating disc to rotate, and the plurality of object carrying baskets on the rotating disc can perform circular motion around the center point of the rotating disc when the rotating disc rotates, so that the plurality of object carrying baskets can effectively continuously convert the bearing stations through circular rotation, and the single supporting structure can be effectively avoided from being always located at the air outlet position of the hot air, and the upper and lower layer structures can be effectively avoided from being dried unevenly, so that the drying uniformity is effectively improved, and the use effect of uniform drying is achieved.

[0014] The small vibrator can drive the internal premixing agent raw materials to vibrate through the object carrying baskets, and when the premixing agent raw materials vibrate, a certain gap is generated between the stacked raw materials due to vibration, so that the hot air can enter the gap between the raw materials due to vibration when hot air drying is performed, so that the uniformity of hot air drying can be effectively improved, the drying incompleteness caused by stacking of the raw materials can be avoided, the drying uniformity is effectively improved, the use effect is good, and the practicality is good. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a vacuum dryer external three-dimensional structure schematic view of the utility model embodiment;

[0016] Figure 2 It is a drying cavity internal structure schematic view of the utility model embodiment;

[0017] Figure 3 It is a four groups of object carrying baskets synchronous suspension state structure schematic view of the utility model embodiment;

[0018] Figure 4The utility model discloses a back three -dimensional structure schematic diagram of cabinet for the embodiment of the utility model.

[0019] Figure 5 The utility model discloses a drying cavity top down structure schematic diagram for the embodiment of the utility model.

[0020] In the drawing: 1, cabinet;2, drying cavity;3, rotating disc;4, suspension axle;5, bearing;6, lower support rod;7, object carrying basket;8, small -size vibrator;9, temperature sensor;10, rotary motor;11, upper mounting plate;12, hot -blast machine;13, air outlet;14, wind collecting cover;15, vacuum port;16, sealing door;17, handle;18, display screen;19, button. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second" are only for the description purpose, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through the intermediate medium, can be the intercommunication of two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] Please refer to Figures 1-5The utility model provides a kind of vacuum drying machine for preparing film coating premix agent, including cabinet 1, drying cavity 2 is provided in the inside of cabinet 1, rotating disc 3 is rotatably installed in the inside of the back of drying cavity 2 by bearing, several suspension shafts 4 are fixedly installed on the outer surface of rotating disc 3, several suspension shafts 4 are distributed in equidistance circle by the center dot of rotating disc 3, two bearings 5 are fixedly set on each suspension shaft 4, the lower surface of two bearings 5 is fixedly installed with lower support rod 6, load basket 7 is fixedly installed between two lower support rods 6, this kind of structure design, load basket 7 can rely on load weight and self gravity and automatically drop, the specific posture of load basket 7 is as shown in the description attached Figure 3 ;

[0025] Several air holes are formed on the outer wall of the periphery of load basket 7, the air hole can ensure the normal ventilation of load basket 7, improve the use effect of hot air drying, and small vibrator 8 is fixedly installed on the outer wall of the two sides of load basket 7.

[0026] The small vibrator 8 can drive the premix agent raw materials in the load basket 7 to vibrate, and when the premix agent raw materials vibrate, a certain gap is formed between the stacked raw materials. When hot air drying is carried out, hot air can enter the gap between the raw materials due to vibration, which can effectively improve the uniformity of hot air drying and avoid incomplete drying of the raw materials due to stacking.

[0027] In order to provide rotary power for the rotation of rotating disc 3, rotary motor 10 is fixedly installed on the outer wall of the back of cabinet 1 by fixing bolt, and the output shaft of rotary motor 10 is fixedly connected with rotating disc 3.

[0028] According to the above structure, the premix agent raw materials to be dried by hot air can be placed in several load baskets 7 during use, and the rotary motor 10 can be slowly rotated. When the rotary motor 10 rotates, it will synchronously drive the rotating disc 3 to rotate. When the rotating disc 3 rotates, the several load baskets 7 on the rotating disc 3 will move in a circular motion along the center point of the rotating disc 3, and the state of the load basket 7 can rely on load weight and self gravity and automatically drop, so that the several load baskets 7 always maintain the downward state with the opening upward, as shown in the description attached Figure 3 , so that the circumferential rotation of the several load baskets 7 can effectively convert the load position, and the continuous rotation and conversion of the position can effectively avoid that the single load structure is always in the air outlet position, avoid the uneven drying of the upper and lower layers, effectively improve the drying uniformity, and have the use effect of uniform drying.

[0029] In this embodiment, in order to ensure the normal hot air drying work of the vacuum dryer, the upper end of the cabinet 1 is fixedly provided with an upper mounting plate 11, and a hot air fan 12 is fixedly arranged on the upper surface of the upper mounting plate 11 through bolts.

[0030] In order to ensure normal air outlet work, referring to the drawings, the lower air outlet end of the hot air fan 12 is provided with an air outlet 13 on the outer wall of the top end of the cabinet 1. Figure 5

[0031] The hot air generated by the hot air fan 12 can enter the drying cavity 2 through the air outlet 13, and the air outlet 13 is provided with a wind collecting cover 14 outside, so that the hot air is more concentrated, avoiding diffusion to both sides after entering, and having good wind collecting and exhausting effects, so that the hot air directly acts on the raw materials of the material basket 7, improving the hot air drying efficiency.

[0032] In this embodiment, in order to ensure the vacuum effect inside the drying cavity 2, the other side of the outer surface of the cabinet 1 is fixedly provided with a vacuum port 15.

[0033] In this embodiment, in order to ensure the sealing effect of the drying cavity 2, the outer wall of the drying cavity 2 is hingedly connected with a sealing door 16 through a hinge, and a handle 17 is fixedly arranged on the sealing door 16.

[0034] In order to facilitate the display and operation of the function, the top end of the cabinet 1 is fixedly provided with a display screen 18, and a plurality of keys 19 are fixedly arranged on one side of the display screen 18 and the outer surface of the cabinet 1.

[0035] In this embodiment, a temperature sensor 9 is fixedly arranged on one side of the inner wall of the drying cavity 2, and the temperature sensor 9 is electrically connected with the display screen 18 through a control circuit board in actual use.

[0036] Working principle: the vacuum port 15 of the utility model in actual use can be connected with a vacuum pump of an external pipeline, so that the inside of the drying cavity 2 is vacuumized through the vacuum pump and the pipeline, ensuring the normal operation of the vacuum drying work.

[0037] ​When the raw materials prepared by the film coating premix agent need to be vacuum dried, the drying cavity 2 can be opened through the sealing door 16, and the premix agent raw materials needing hot air drying are placed in the plurality of loading baskets 7;

[0038] After the raw materials are placed, the sealing door 16 is closed, and at this time, the external vacuum pump is started, which can perform vacuumizing treatment on the inside of the drying cavity 2 through the vacuum port 15;

[0039] When the vacuum pump works, the hot air blower 12 and the rotating motor 10 can work synchronously, and the hot air blower 12 can generate hot air for drying, so that the drying treatment of the raw materials can be facilitated;

[0040] The hot air generated by the hot air blower 12 can enter the inside of the drying cavity 2 through the air outlet 13, and the air collecting cover 14 is arranged outside the air outlet 13, which can make the hot air more concentrated, avoid its diffusion to both sides after entering, has good air collecting and exhausting effect, can make the hot air directly act on the raw materials of the loading basket 7, improves the hot air drying efficiency;

[0041] When the rotating motor 10 works, it can drive the rotating disc 3 to rotate, and when the rotating disc 3 rotates, the plurality of loading baskets 7 on the rotating disc 3 can move in a circle along the center point of the rotating disc 3, and the state of the loading basket 7 can rely on the supporting weight and the gravity to automatically descend, so that the plurality of loading baskets 7 always keep the descending state with the opening upward, as shown in the specific description Figure 3 , so that the continuous rotation of the plurality of loading baskets 7 can effectively convert the supporting position, and through the continuous rotation of the position, the single supporting structure can always be avoided to be in the position of the hot air outlet, the drying unevenness of the upper and lower structures can be avoided, the drying uniformity can be effectively improved, and the use effect of uniform drying is good;

[0042] The small vibrator 8 arranged in the utility model can drive the premix agent raw materials in the loading basket 7 to vibrate, and when the premix agent raw materials vibrate, a certain gap can be generated between the stacked raw materials due to vibration, so that when the hot air is dried, the hot air can enter the gap between the raw materials due to vibration, so that the uniformity of hot air drying can be effectively improved, the drying incompleteness of the raw materials caused by stacking can be avoided, the drying uniformity can be effectively improved, and the use effect is good, and the practicability is good.

[0043] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A vacuum dryer for the preparation of a film-coating premix, comprising a cabinet (1), characterized in that, The case (1) is internally provided with a drying cavity (2), the back of the drying cavity (2) is internally rotatably provided with a rotating disc (3) through a bearing, a plurality of hanging shafts (4) are fixedly installed on the outer surface of the rotating disc (3), the plurality of hanging shafts (4) are distributed at equal intervals through the center point of the rotating disc (3), two bearings (5) are fixedly installed on each of the hanging shafts (4), a lower supporting rod (6) is fixedly installed on the lower surface of each of the bearings (5), a load basket (7) is fixedly installed between the two lower supporting rods (6), a plurality of air holes are formed in the outer wall of the load basket (7), a small vibrator (8) is fixedly installed on the outer wall of the load basket (7), a rotary motor (10) is fixedly installed on the back outer wall of the case (1) through a fixing bolt, and the output shaft of the rotary motor (10) is fixedly connected with the rotating disc (3).

2. A vacuum drier for the preparation of a film coating premix according to claim 1, characterized in that: An upper mounting plate (11) is fixedly installed on the top surface of the case (1), and a hot air machine (12) is fixedly installed on the upper surface of the upper mounting plate (11) through a bolt.

3. A vacuum drier for the preparation of a film coating premix according to claim 2, characterized in that: An air outlet (13) is formed in the lower air outlet end of the hot air machine (12) and on the top outer wall of the case (1), and a wind collecting cover (14) is fixedly installed on the outside of the air outlet (13).

4. A vacuum drier for the preparation of a film coating premix as claimed in claim 1, characterized in that: A temperature sensor (9) is fixedly installed on one side of the inner wall of the drying cavity (2), and a vacuum port (15) is fixedly installed on the other side of the outer surface of the case (1).

5. A vacuum drier for the preparation of a film coating premix as claimed in claim 1, characterized in that: A sealing door (16) is hingedly connected to the outer wall of the drying cavity (2) through a hinge, and a handle (17) is fixedly installed on the sealing door (16).

6. A vacuum drier for the preparation of a film coating premix as claimed in claim 1, characterized in that: A display screen (18) is fixedly installed on the top outer surface of the case (1), and a plurality of keys (19) are fixedly installed on one side of the display screen (18) and on the outer surface of the case (1).

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