CN115574565A

CN115574565A - Enteric coating drying device

Info

Publication number: CN115574565A
Application number: CN202211576045.4A
Authority: CN
Inventors: 刘倩; 曹继; 姚沅平
Original assignee: Hunan Dinuo Pharmaceutical Co ltd
Current assignee: Hunan Dinuo Pharmaceutical Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-01-06
Anticipated expiration: 2042-12-09
Also published as: CN115574565B

Abstract

The invention discloses an enteric-coated layer drying device, which relates to the field of enteric-coated layer drying and solves the problem that the prior enteric-coated layer drying device is dried in a stirring and drying mode during use to cause that part of shells of enteric coatings are damaged by impact in the drying process and reduce the wrapping property.

Description

Enteric coating drying device

Technical Field

The invention relates to the technical field of drying of enteric-coated layers, in particular to a drying device for enteric-coated layers.

Background

The enteric coating is a coating technology for an oral enteric film controlled release preparation, is used for improving the chemical stability of a pH sensitive medicament and reducing stomach stimulation caused by the medicament, and can be used for positioning and targeting treatment of small intestine and colon. Some capsules with an outer drug layer, which are common in human life, are enteric coatings, which are used for preventing drugs from digesting and stimulating the stomach in the stomach, and the coatings are digested and dissolved only in the intestinal tract and release the inner drugs to be directly absorbed through the intestinal tract. Common enteric coating film-forming materials include acrylic resin, polyvinyl acetate phthalate, hypromellose phthalate and the like, and particularly, a copolymer of methacrylic acid and ethyl acrylate in the acrylic resin and a methacrylic acid-methyl methacrylate copolymer are most widely applied.

In order to ensure the drying of enteric layer coating, promote its parcel nature to inside medicine, generally need carry out repackaging after the drying operation to the enteric layer coating, current enteric layer coating drying device carries out the drying through the mode of stirring stoving and leads to the shell of partial enteric coating in the drying process to receive the striking breakage, reduces the parcel nature, influences later stage medicine to the isolation effect of gastric acid in the stomach, is unfavorable for the normal absorption of medicine. To this end, we propose an enteric layer coating drying device.

Disclosure of Invention

The invention aims to provide an enteric coating drying device which is convenient for improving drying efficiency and reducing collision damage so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the top end of the machine body is fixedly connected with a feeding hopper used for storing enteric-coated coatings to be dried, the outer wall of the machine body is fixedly connected with a collecting hopper used for storing dried enteric-coated coatings, the drying mechanism comprises a fixed cylinder fixedly installed in the machine body, a plurality of groups of storage cylinders used for storing and drying are arranged in the fixed cylinder, the drying mechanism is used for reducing the probability of collision damage of the enteric-coated coatings when the enteric-coated coatings are stored in the long-strip-shaped storage cylinders and are fully dried, the control mechanism comprises a first rotary disc and a second rotary disc which are installed on the fixed cylinder, the first rotary disc is rotatably connected with the upper end of the fixed cylinder, the second rotary disc is rotatably connected with the lower end of the fixed cylinder, a plurality of groups of communication holes which can be communicated with the storage cylinders are formed in the first rotary disc and the second rotary disc, the control mechanism is used for controlling the rotation of the first rotary disc and the second rotary disc to change the communication state of the storage cylinders, so that the feeding and the drying mechanism can automatically stop the continuous operation of the feeding and the drying mechanism, and the linkage mechanism can be conveniently operated when the drying mechanism stops the enteric-coated materials, and the drying mechanism stops the drying mechanism and is convenient for lifting the drying efficiency of the drying mechanism in and the drying mechanism.

Preferably, the drying mechanism comprises a plurality of groups of rubber tubes fixedly installed in the storage cylinder respectively, a plurality of groups of drying holes communicated with the bottom ends of the rubber tubes are formed in the second rotary table, a plurality of groups of connecting tubes are fixedly connected to the bottom of the second rotary table, a slope plate is fixedly connected in the machine body, a rotating ring is rotatably connected to the slope plate, the bottom ends of the connecting tubes are communicated with the upper side of the rotating ring, heating wires are fixedly connected in the rotating ring, a blowing piece for uniformly rotating and blowing the rubber tubes when the control mechanism operates is arranged above the drying holes, and the control mechanism is used for controlling the communication state of the drying holes and the bottom ends of the rubber tubes, so that collision generated in the drying process can be reduced.

Preferably, control mechanism include fixed mounting in driving motor in the organism, the coaxial fixedly connected with drive shaft of driving motor's output, the drive shaft runs through the solid fixed cylinder, and with the solid fixed cylinder rotates to be connected, the top fixedly connected with rolling disc of drive shaft, the first gear of fixedly connected with in the drive shaft, go into the bottom fixedly connected with roof of hopper, seted up on the roof the multiunit can with the pan feeding hole that the intercommunicating pore is linked together, be equipped with on the rolling disc and be used for when the drive shaft rotates the first rolling disc pivoted piece that rotates, be equipped with on the second carousel and be used for when first gear rotates the linkage second carousel pivoted control, the automatic feeding ejection of compact and the stoving step are realized in the control of being convenient for.

Preferably, the rotating part comprises a plurality of groups of inserting pipes, a plurality of groups of exhaust pipes communicated with the top end of the rubber pipe are arranged on the first rotating disc, the inserting pipes are communicated with the exhaust pipes, a plurality of groups of inserting holes inserted into the inserting pipes are formed in the machine body, connecting rods are fixedly connected onto the inserting pipes, the inserting pipes are connected with the connecting rods in a sliding mode along the horizontal direction of the first rotating disc, the inserting pipes are uniformly distributed around the first rotating disc, the number of the inserting pipes is equal to that of the rubber pipes, the number of the exhaust pipes is equal to that of the communicating holes, the rotating disc is provided with a driving part used for driving the first rotating disc to perform intermittent unidirectional rotation, the inserting pipes are controlled to be connected with the driving part of the connecting relation of the inserting holes, and the first rotating disc is linked to rotate when the driving shaft rotates.

Preferably, the driving piece includes that the multiunit install in actuating lever on the rolling disc, the first spout of multiunit has been seted up on the rotation, the multiunit the actuating lever respectively with first spout sliding connection, fixedly connected with on the actuating lever with first spout one end fixed connection's first extension spring has seted up the ring channel on the first carousel, multiunit sloping groove has evenly been seted up in the ring channel, fixedly connected with on the actuating lever with the ring channel with sloping groove sliding connection's drive block, be equipped with on the connecting rod be used for removing during rolling disc antiport the plug-in pipe with the piece of removing of plug-in connection relation of plug-in hole is convenient for drive first carousel and is carried out intermittent type nature unidirectional rotation to control plug-in pipe and plug-in connection relation.

Preferably, the removing part comprises a pushing block fixedly arranged on the connecting rod, and the pushing block is fixedly connected with a first spring fixedly connected with the slope-shaped groove, so that the inserting relation between the inserting pipe and the inserting hole can be conveniently removed when the rotating disc rotates reversely.

Preferably, the control piece includes that the multiunit install in tooth piece on the second carousel, the multiunit second spout has evenly been seted up on the second carousel, the multiunit the tooth piece respectively with second spout sliding connection, fixedly connected with on the tooth piece with second spout fixed connection's second spring, the tooth piece with first gear meshes mutually, the multiunit arc wall has been seted up on the second carousel, fixedly connected with on the organism with arc wall sliding connection's stopper is convenient for the linkage second carousel rotates when first gear rotates.

Preferably, the link gear includes fixed mounting in drive epaxial fan, the air intake has been seted up to organism bottom side, the side of organism seted up with the discharge gate that the collection fill is linked together, fixedly connected with is arranged in the filter screen of dust in the filtered air in the connecting tube, is convenient for carry out the stoving operation in the linkage when the drive shaft operation to change at the drive shaft and turn to the in-process that switches raw materials business turn over state and stop the stoving operation.

Preferably, the blowing piece comprises a plurality of groups of second gears which are rotatably connected with the second rotating disc, the plurality of groups of second gears are respectively arranged at the upper ends of the drying holes and are meshed with the first gears, and a plurality of groups of uniformly distributed ventilation holes are formed in the second gears, so that the rubber tube can be uniformly blown by the blowing piece in a rotating mode when the control mechanism operates.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention provides an enteric-coated layer coating drying device, which is characterized in that a large number of enteric-coated layers to be dried are stored in a feed hopper, a driving motor is started to drive a driving shaft to rotate slowly and reversely by a small arc, so that a rotating disc rotates into a slope-shaped groove to push a pushing block to extrude a first spring, a connecting rod pulls an inserting pipe to remove inserting connection with an inserting hole, the driving shaft drives a first gear to drive a second rotating disc to rotate reversely through a tooth block until a communicating hole on the second rotating disc is communicated with the bottom of a rubber pipe, so that the enteric-coated layers which are dried inside can be discharged (the enteric-coated layers are not discharged in the rubber pipe in the initial state), the driving motor drives the driving shaft to rotate rapidly and forwardly, so that the second rotating disc is driven to rotate through the tooth block until the enteric-coated layers rotate to the other end of the arc-shaped groove for limiting, the bottom of the rubber pipe is communicated with a drying hole, the driving shaft drives a fan to rotate, so that air can be filtered by a filter screen to be discharged to a connecting pipe and upwards discharged into the rubber pipe for drying after being heated by an electric heating wire, and the enteric-coated limiting block, so that the aperture of the enteric-coated layers is slightly larger than the enteric-coated layers are impacted and the enteric-coated layers are prevented from a limiting block in the drying process, and damage of the rubber pipe is reduced by the rubber pipe.

2. The invention provides an enteric coating drying device, wherein a first gear drives a second gear to rotate, so that an air vent rotates quickly, upward hot air in the drying process can be stirred continuously, the enteric coating in a rubber tube shakes, the stirring effect is achieved, the impact damage to the enteric coating is small, when a driving shaft rotates forwards and quickly, a driving block can slide to a slope surface in a slope groove first, the collision to a pushing block is relieved, an outward inserting pushing force is provided for an inserting pipe, the driving block can push a first rotating disc to rotate after contacting with the slope surface, a communicating hole is aligned with a material inlet hole in the rotating process, the enteric coating in a material feeding hopper can be discharged into the rubber tube through the material inlet hole and the communicating hole, the communicating position is gradually reduced along with the rotation of the first rotating disc until the top end of the communicating hole is far away from the material inlet hole, the material feeding can be stopped automatically, the inserting pipe is inserted and fixed with the position of the inserting hole, the first rotating disc does not rotate, the rotating disc can rotate, the driving block can not contact with the top end of the inserting pipe in the rotating process, the air outlet pipe due to enable the air duct to be stably connected with the top end of the air outlet pipe, and the drying pipe, and the air duct can be stably discharged from the air duct.

3. The enteric coating drying device provided by the invention has the advantages that after the drying is carried out for a period of time, the driving motor slowly rotates reversely again, the driving block slides into the slope-shaped groove again to push the pushing block to remove the insertion of the insertion pipe, the second rotary disc is driven to rotate to enable the communication hole to be communicated with the bottom end of the rubber pipe, dried enteric coating is discharged downwards, falls onto the slope-shaped plate and slides towards the periphery, and falls into the collection hopper through the discharge hole for automatic collection, when the first gear rotates rapidly, the second rotary disc cannot rotate continuously, the tooth block can slide in the second sliding groove in a stretching and retracting manner continuously, the rotation of the driving shaft cannot be influenced, meanwhile, the first tension spring has the effect that the driving rod is subjected to inward tension, a certain pushing force is exerted on the slope-shaped groove to drive the first rotary disc to rotate, the pushing block is pushed to compress the first spring when the driving shaft rotates reversely, the driving block is required to be controlled to be in the position in the annular groove when the driving shaft rotates reversely, and the driving block stops on the pushing block when the driving shaft rotates reversely, so that the driving shaft reversely, the driving shaft rotates reversely, the reverse rotation of the driving shaft is not only, the first rotary disc, but also the drying ring is convenient for continuously for the drying, the inner wall, the drying ring and the drying efficiency is improved, the inner wall is always connected with the drying efficiency, the inner wall, the drying ring, the inner wall, the drying efficiency is improved, and the drying efficiency is always achieved, and the drying efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a cross-sectional view of the overall construction of the present invention;

FIG. 4 is an enlarged view of area A of FIG. 3;

FIG. 5 is a schematic view of the internal structure of the present invention;

FIG. 6 is a schematic view of the drying mechanism according to the present invention;

FIG. 7 is a schematic view of the control mechanism of the present invention;

FIG. 8 is a schematic view of a rotating member according to the present invention;

FIG. 9 is an enlarged view of area B of FIG. 8;

FIG. 10 is a cross-sectional view of a control member of the present invention;

fig. 11 is a schematic structural view of a control member of the present invention.

In the figure: 1-organism; 2, feeding into a hopper; 3, a collecting hopper; 4-a drying mechanism; 5, fixing the cylinder; 6-storage cylinder; 7-a control mechanism; 8-a first carousel; 9-a second carousel; 10-communicating holes; 11-a linkage mechanism; 12-a rubber tube; 13-drying the holes; 14-a connecting tube; 15-sloping plate; 16-a rotating ring; 17-electric heating wire; 18-a blowing piece; 19-a drive motor; 20-a drive shaft; 21-a rotating disc; 22-a first gear; 23-a top plate; 24-a feed hole; 25-a rotating member; 26-a control member; 27-a plug tube; 28-an exhaust pipe; 29-a plug hole; 30-a connecting rod; 31-a drive member; 32-a drive rod; 33-a first runner; 34-a first tension spring; 35-an annular groove; 36-a tapered groove; 37-a drive block; 38-a release; 39-pushing block; 40-a first spring; 41-tooth block; 42-a second chute; 43-a second spring; 44-an arc-shaped slot; 45-a limiting block; 46-a fan; 47-air inlet; 48-a discharge hole; 49-a filter screen; 50-a second gear; 51-Vent hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-11, the present invention provides a technical solution: an enteric coating drying device comprises a machine body 1, a drying mechanism 4, a control mechanism 7 and a linkage mechanism 11, wherein the top end of the machine body 1 is fixedly connected with a feeding hopper 2 used for storing enteric coatings to be dried, the outer wall of the machine body 1 is fixedly connected with a collecting hopper 3 used for storing dried enteric coatings, the drying mechanism 4 comprises a fixed cylinder 5 fixedly installed in the machine body 1, a plurality of groups of storage cylinders 6 used for storing and drying are arranged in the fixed cylinder 5, the drying mechanism 4 is used for reducing the probability of collision damage of the enteric coatings when the enteric coatings are stored in the long-strip storage cylinders 6 for full drying, the control mechanism 7 comprises a first rotary disc 8 and a second rotary disc 9 which are installed on the fixed cylinder 5, the drying machine comprises a first rotary disc 8, a second rotary disc 9, a storage cylinder 6, a plurality of groups of communicating holes 10, a control mechanism 7, a linkage mechanism 11 and a drying mechanism 4, wherein the first rotary disc 8 is rotatably connected with the upper end of the storage cylinder 5, the second rotary disc 9 is rotatably connected with the lower end of the storage cylinder 5, the first rotary disc 8 and the second rotary disc 9 are respectively provided with a plurality of groups of communicating holes 10 which can be communicated with the storage cylinder 6, the control mechanism 7 is used for controlling the rotation of the first rotary disc 8 and the second rotary disc 9 so as to change the communication state of the communicating holes 10 and the storage cylinder 6, the continuous operation of automatic feeding, stopping feeding and automatic discharging after drying is realized, the linkage mechanism 11 is installed in the storage cylinder 5 and is used for linking the drying mechanism 4 to perform drying operation when the control mechanism 7 operates, and the drying operation is stopped when the control mechanism 7 switches the raw material inlet and outlet states.

Drying mechanism 4 includes the multiunit rubber tube 12 of fixed mounting respectively in storage cylinder 6, set up multiunit and the stoving hole 13 that the rubber tube 12 bottom is linked together on the second carousel 9, the bottom fixedly connected with multiunit connecting pipe 14 of second carousel 9, fixedly connected with sloping plate 15 in the organism 1, it is connected with swivel becket 16 to rotate on the sloping plate 15, the bottom of multiunit connecting pipe 14 all is connected with the upside intercommunication of swivel becket 16, fixedly connected with heating wire 17 in the swivel becket 16, the top of stoving hole 13 is equipped with and is used for the piece 18 of blowing to evenly rotating in the rubber tube 12 when control mechanism 7 moves, control mechanism 7 is used for controlling the connected state of stoving hole 13 and rubber tube 12 bottom, piece 18 of blowing includes multiunit and second carousel 9 second gear 50 of rotating the connection, multiunit second gear 50 installs respectively in the upper end of stoving hole 13, and all mesh with first gear 22, set up multiunit evenly distributed's ventilation hole 51 on the second gear 50.

The control mechanism 7 comprises a driving motor 19 fixedly installed in the machine body 1, the type of the driving motor 19 is preferably Y80M1-2, the output end of the driving motor 19 is coaxially and fixedly connected with a driving shaft 20, the driving shaft 20 penetrates through the fixed cylinder 5 and is rotatably connected with the fixed cylinder 5, the top end of the driving shaft 20 is fixedly connected with a rotating disc 21, a first gear 22 is fixedly connected onto the driving shaft 20, the bottom end of the feeding hopper 2 is fixedly connected with a top plate 23, a plurality of groups of feeding holes 24 capable of being communicated with the communicating holes 10 are formed in the top plate 23, a rotating part 25 used for being in linkage with the rotation of the first rotating disc 8 when the driving shaft 20 rotates is arranged on the rotating disc 21, and a control part 26 used for being in linkage with the rotation of the second rotating disc 9 when the first gear 22 rotates is arranged on the second rotating disc 9.

Rotate piece 25 and include multiunit grafting pipe 27, set up the blast pipe 28 that multiunit and rubber tube 12 top are linked together on the first carousel 8, grafting pipe 27 is linked together with blast pipe 28, set up multiunit and the spliced eye 29 of pegging graft 27 mutually on the organism 1, fixedly connected with connecting rod 30 on the grafting pipe 27, grafting pipe 27 all follows horizontal direction sliding connection with first carousel 8 with connecting rod 30, multiunit grafting pipe 27 evenly distributed is around first carousel 8, and quantity and rubber tube 12, blast pipe 28 and intercommunicating pore 10's quantity is all the same, be equipped with on the rolling disc 21 and be used for driving first carousel 8 and carry out intermittent type nature unidirectional rotation, and control grafting pipe 27 and the driving piece 31 of spliced eye 29 relation.

Driving piece 31 includes the multiunit and installs the actuating lever 32 on rolling disc 21, the first spout 33 of multiunit has been seted up in the rotation, multiunit actuating lever 32 respectively with first spout 33 sliding connection, fixedly connected with and first spout 33 one end fixed connection's first extension spring 34 on actuating lever 32, ring channel 35 has been seted up on the first carousel 8, multiunit sloping groove 36 has evenly been seted up in the ring channel 35, fixedly connected with and ring channel 35 and sloping groove 36 sliding connection's drive block 37 on the actuating lever 32, be equipped with on the connecting rod 30 and be used for removing the piece 38 of removing plug-in pipe 27 and jack 29 grafting relation when rolling disc 21 antiport, remove piece 38 and include the promotion piece 39 of fixed mounting on connecting rod 30, fixedly connected with and sloping groove 36 fixed connection's first spring 40 on the promotion piece 39.

The control part 26 comprises a plurality of groups of toothed blocks 41 arranged on the second rotary table 9, a plurality of groups of second sliding grooves 42 are uniformly formed in the second rotary table 9, the plurality of groups of toothed blocks 41 are respectively in sliding connection with the second sliding grooves 42, a second spring 43 fixedly connected with the second sliding grooves 42 is fixedly connected onto the toothed blocks 41, the toothed blocks 41 are meshed with the first gear 22, a plurality of groups of arc-shaped grooves 44 are formed in the second rotary table 9, and a limiting block 45 fixedly connected with the arc-shaped grooves 44 in sliding connection is arranged on the machine body 1.

Linkage mechanism 11 includes fan 46 of fixed mounting on drive shaft 20, and air intake 47 has been seted up to organism 1 bottom side, and the discharge gate 48 that is linked together with collecting hopper 3 is seted up to organism 1's side, and fixedly connected with is used for the filter screen 49 of dust in the filtered air in connecting pipe 14.

A large amount of enteric-coated coatings to be dried are stored in the feeding hopper 2, the driving motor 19 is started to drive the driving shaft 20 to slowly rotate reversely by a small radian, so that the rotating disc 21 rotates into the slope-shaped groove 36 to push the pushing block 39 to extrude the first spring 40, the connecting rod 30 pulls the inserting pipe 27 to remove the inserting connection with the inserting hole 29, at the moment, the driving shaft 20 drives the first gear 22 to drive the second rotating disc 9 to rotate reversely through the tooth block 41 until the communicating hole 10 on the second rotating disc 9 is communicated with the bottom of the rubber tube 12, so that the enteric-coated coatings which are dried inside can be discharged (the enteric-coated coatings which are not discharged in the rubber tube 12 in the initial state), the driving motor 19 drives the driving shaft 20 to rotate forwardly, the driving shaft 20 can drive the second rotating disc 9 to rotate through the tooth block 41 until the limiting block 45 rotates to the other end of the arc-shaped groove 44 to limit, at the moment, the bottom of the rubber tube 12 is communicated with the drying hole 13, the driving shaft 20 drives the fan 46 to rotate quickly, so that air is filtered by the filter screen 49 and discharged to the connecting pipe 14 and discharged upwards into the rubber tube 12 to be dried, and the enteric-coated coatings are prevented from colliding with each other enteric-coated coatings and the rubber tube 12.

The second gear 50 is driven to rotate by the first gear 22, the vent hole 51 is enabled to rotate rapidly, upward hot air in the drying process can be continuously stirred, enteric-coated coatings in the rubber tube 12 can shake to achieve a stirring effect, impact damage to the enteric-coated coatings is small, when the driving shaft 20 rotates rapidly in the forward direction, the driving block 37 can slide to the slope surface in the slope-shaped groove 36 first, at the moment, the conflict between the driving block 39 and the driving block is relieved, the insertion tube 27 has outward insertion thrust, the driving block 37 can push the first rotating disc 8 to rotate after contacting with the slope surface, the communicating hole 10 is aligned with the feeding hole 24 in the rotating process, the enteric-coated coatings in the feeding hopper 2 can be discharged into the rubber tube 12 through the feeding hole 24, the communicating hole 10 rotates along with the first rotating disc 8 at the moment, the communicating position is gradually reduced until the top end of the communicating hole 10 is far away from the feeding hole 24, the feeding can be automatically stopped, the insertion tube 27 is just inserted and fixed in the position of the insertion hole 29, the first rotating disc 21 can not rotate any more, the driving block 37 can be connected with the exhaust tube 27 after the inertial contact with the exhaust tube 27, and the exhaust tube 27, and the exhaust tube 27 can not be stably contacted with the external air channel after the inertial air through the centrifugal force.

It is worth noting that: after drying for a period of time, the driving motor 19 slowly rotates in reverse direction again, that is, the driving block 37 slides into the slope groove 36 again to push the pushing block 39 to release the insertion of the insertion pipe 27, and drives the second rotary disc 9 to rotate, so that the communication hole 10 is communicated with the bottom end of the rubber tube 12 to discharge the dried enteric-coated capsule downwards, fall onto the slope plate 15, slide towards the periphery, and fall into the collecting hopper 3 through the discharge hole 48 for automatic collection, when the first gear 22 rotates rapidly, because the second rotary disc 9 cannot rotate continuously, the tooth block 41 slides in the second sliding groove 42 in a continuous telescopic manner, without affecting the rotation of the driving shaft 20, and the first tension spring 34 acts to make the driving rod 32 receive inward tension, so as to ensure that the slope groove 36 has a certain pushing force, drive the first rotary disc 8 to rotate, and push the pushing block 39 to compress the first spring 40 when rotating in reverse direction, when the driving shaft 20 rotates reversely, the driving block 37 needs to be controlled to be positioned in the annular groove 35, and when the driving shaft 20 rotates reversely, the driving block 37 stops on the pushing block 39, so that the purposes of releasing the limit of the first turntable 8 by reversely rotating the driving shaft 20 and driving the second turntable 9 to rotate reversely for a certain distance by reversely rotating are realized, the arrangement of the rotating ring 16 ensures that the bottom end of the connecting pipe 14 can always receive the hot air blown upwards by the fan 46 when rotating, meanwhile, the inner wall of the rotating ring 16 is rotatably connected with the outer wall of the driving shaft 20 and is in a slope surface shape, so that after drying is finished, the enteric-coated layer coating falls downwards into the collecting hopper 3, through the rotation direction and the rotation speed of the driving motor 19, the continuous automatic operation from feeding to drying and collecting is realized, the drying efficiency is improved, the use is convenient, the bottom part blows upwards to help to push the enteric-coated coating upwards to make the enteric-coated coating in a suspended state, the friction between the second gear 50 and the bottom surface is reduced, and the warm air is also facilitated to form an air duct for drying.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An enteric layer coating drying apparatus, comprising:

the drying machine comprises a machine body (1), wherein the top end of the machine body (1) is fixedly connected with a feeding hopper (2) for storing an enteric coating to be dried, and the outer wall of the machine body (1) is fixedly connected with a collecting hopper (3) for storing the dried enteric coating;

further comprising:

the drying mechanism (4) comprises a fixed cylinder (5) fixedly mounted in the machine body (1), a plurality of groups of storage cylinders (6) for storage and drying are arranged in the fixed cylinder (5), and the drying mechanism (4) is used for storing enteric-coated layers in the strip-shaped storage cylinders (6) for full drying and reducing the probability of collision damage of the enteric-coated layers;

the control mechanism (7) comprises a first rotary disc (8) and a second rotary disc (9) which are arranged on the fixed cylinder (5), the first rotary disc (8) is rotatably connected with the upper end of the fixed cylinder (5), the second rotary disc (9) is rotatably connected with the lower end of the fixed cylinder (5), a plurality of groups of communicating holes (10) which can be communicated with the storage cylinder (6) are respectively formed in the first rotary disc (8) and the second rotary disc (9), and the control mechanism (7) is used for controlling the rotation of the first rotary disc (8) and the second rotary disc (9) so as to change the communication state of the communicating holes (10) and the storage cylinder (6), so that the continuous operation of automatic feeding, stopping feeding and automatic discharging after drying is realized;

the linkage mechanism (11) is installed in the fixed cylinder (5) and used for linking the drying mechanism (4) to perform drying operation when the control mechanism (7) operates, and stopping the drying operation when the control mechanism (7) switches the raw material inlet and outlet states.

2. The enteric coating drying apparatus of claim 1, wherein: the drying mechanism (4) comprises a plurality of groups of rubber tubes (12) fixedly installed in the storage cylinder (6) respectively, a plurality of groups of drying holes (13) communicated with the bottom end of the rubber tubes (12) are formed in the second rotary table (9), a plurality of groups of connecting tubes (14) are fixedly connected to the bottom of the second rotary table (9), a slope plate (15) is fixedly connected to the inside of the machine body (1), a rotating ring (16) is connected to the slope plate (15) in a rotating mode, the bottom ends of the plurality of groups of connecting tubes (14) are communicated with the upper side of the rotating ring (16), heating wires (17) are fixedly connected to the inside of the rotating ring (16), a blowing piece (18) used for uniformly rotating and blowing the inside of the rubber tubes (12) when the control mechanism (7) operates is arranged above the drying holes (13), and the control mechanism (7) is used for controlling the communication state of the drying holes (13) and the bottom ends of the rubber tubes (12).

3. An enteric layer coating drying apparatus according to claim 2, wherein: control mechanism (7) including fixed mounting in driving motor (19) in organism (1), the coaxial fixedly connected with drive shaft (20) of output of driving motor (19), drive shaft (20) run through solid fixed cylinder (5), and with gu fixed cylinder (5) rotate to be connected, the top fixedly connected with rolling disc (21) of drive shaft (20), fixedly connected with first gear (22) is gone up in drive shaft (20), the bottom fixedly connected with roof (23) of going into hopper (2), seted up on roof (23) the multiunit can with pan feeding hole (24) that intercommunicating pore (10) are linked together, be equipped with on rolling disc (21) and be used for when drive shaft (20) rotate linkage first rolling disc (8) pivoted piece (25), be equipped with on second rolling disc (9) and be used for when first gear (22) rotate linkage second rolling disc (9) pivoted control piece (26).

4. An enteric layer coating drying apparatus according to claim 3, wherein: the rotating part (25) comprises a plurality of groups of inserting pipes (27), a plurality of groups of exhaust pipes (28) communicated with the top end of the rubber pipe (12) are arranged on the first rotating disc (8), the inserting pipes (27) are communicated with the exhaust pipes (28), a plurality of groups of inserting holes (29) connected with the inserting pipes (27) in an inserting mode are arranged on the machine body (1), connecting rods (30) are fixedly connected to the inserting pipes (27), the inserting pipes (27) are connected with the connecting rods (30) in a sliding mode along the horizontal direction of the first rotating disc (8), the inserting pipes (27) are uniformly distributed around the first rotating disc (8), the rubber pipes (12), the exhaust pipes (28) and the communicating holes (10) are identical in number, and driving parts (31) used for driving the first rotating disc (8) to rotate intermittently and control the connecting relation between the inserting pipes (27) and the inserting holes (29) are arranged on the rotating disc (21).

5. The enteric coating drying apparatus of claim 4, wherein: driving piece (31) including the multiunit install in actuating lever (32) on rolling disc (21), the first spout of multiunit (33) has been seted up in the rotation, the multiunit actuating lever (32) respectively with first spout (33) sliding connection, fixedly connected with on actuating lever (32) with first spout (33) one end fixed connection's first extension spring (34), annular groove (35) have been seted up on first rolling disc (8), multiunit sloping groove (36) have evenly been seted up in annular groove (35), fixedly connected with on actuating lever (32) with annular groove (35) with sloping groove (36) sliding connection's drive block (37), be equipped with on connecting rod (30) be used for removing when rolling disc (21) antiport peg graft pipe (27) with the piece (38) of removing of spliced eye (29) grafting relation.

6. The enteric layer coating drying apparatus of claim 5, wherein: the relieving part (38) comprises a pushing block (39) fixedly arranged on the connecting rod (30), and a first spring (40) fixedly connected with the slope-shaped groove (36) is fixedly connected onto the pushing block (39).

7. An enteric layer coating drying apparatus according to claim 6, wherein: control piece (26) including the multiunit install in tooth piece (41) on second carousel (9), multiunit second spout (42) have evenly been seted up on second carousel (9), the multiunit tooth piece (41) respectively with second spout (42) sliding connection, fixedly connected with on tooth piece (41) with second spout (42) fixed connection's second spring (43), tooth piece (41) with first gear (22) mesh mutually, multiunit arc wall (44) have been seted up on second carousel (9), fixedly connected with on organism (1) with arc wall (44) sliding connection's stopper (45).

8. An enteric coating drying apparatus according to claim 3, wherein: link gear (11) including fixed mounting in fan (46) on drive shaft (20), air intake (47) have been seted up to organism (1) bottom side, the side of organism (1) seted up with discharge gate (48) that collection fill (3) are linked together, fixedly connected with filter screen (49) that are arranged in the filtered air dust in connecting pipe (14).

9. An enteric coating drying apparatus according to claim 3, wherein: the air blowing piece (18) comprises a plurality of groups of second gears (50) which are rotatably connected with the second rotating disc (9), the plurality of groups of second gears (50) are respectively installed at the upper ends of the drying holes (13) and are respectively meshed with the first gears (22), and a plurality of groups of uniformly distributed ventilation holes (51) are formed in the second gears (50).