CN220213434U

CN220213434U - Tablet medicine pelletization device

Info

Publication number: CN220213434U
Application number: CN202321720156.8U
Authority: CN
Inventors: 付吉丽; 翟影
Original assignee: Hainan Xuwo Pharmaceutical Co ltd
Current assignee: Hainan Xuwo Pharmaceutical Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-12-22
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a tablet medicine granulating device, which comprises a transverse conveying pipe arranged on a bracket, wherein a driving mechanism is arranged outside one end of the conveying pipe, a pressing die is sealed at the other end of the conveying pipe, a supporting seat and a spiral auger are arranged in the conveying pipe, one end of the spiral auger is in driving connection with the driving mechanism, the other end of the spiral auger is rotatably arranged in the supporting seat, a feeding hopper is arranged at the top of the conveying pipe close to the driving mechanism, a plurality of conical cavities are formed in the pressing die, two ends of the conical cavities are respectively a large opening and a small opening, the large opening faces the inner side of the conveying pipe, the small opening faces the outer side of the conveying pipe, a water jacket for cooling the pressing die is further arranged between the conical cavities, a water inlet pipe communicated with the lower part of the water jacket is arranged at the bottom of the pressing die, a water outlet pipe communicated with the upper part of the water jacket is arranged at the top of the pressing die, and a cutting mechanism for cutting medicine blocks extruded from the small opening is further arranged at one side of the pressing die, which is far away from the conveying pipe. The temperature in the compression mold can be effectively reduced while the extrusion speed of the powder is improved, so that the granulating efficiency is improved.

Description

Tablet medicine pelletization device

Technical Field

The utility model relates to the field of medicine production, in particular to a tablet medicine granulating device.

Background

In the production and processing process of the medicine tablet, generally, the medicine raw materials are firstly mixed uniformly, then the mixed medicine raw materials are crushed into powder, and then the medicine powder is prepared into granules so as to facilitate tabletting, and then the processing procedures of coating, sorting and the like are carried out after tabletting. Depending on the different tablet production requirements, a plurality of different granulating devices are also required.

When the existing spiral pushing extrusion type granulating device is used, medicine powder is required to be added into a conveying pipeline, then is extruded and pushed to a pressing die through a spiral blade, and is discharged from the pressing die after passing through a channel of the pressing die to form a specific shape, and then is cut by a cutting knife arranged outside the pressing die, so that granules are formed. The powder can release a certain amount of heat when being compressed by the compression mould, the higher the extrusion speed is, the higher the granulating efficiency is, but the larger the heat release amount of the powder in unit time is, the temperature of the compression mould and the powder can be quickly increased due to the overlarge heat in unit time, and firstly, part of thermosensitive medicine can be influenced in medicine property, and secondly, the gelatinization of mixed medicine powder is easy to cause. Therefore, preventing the temperature rise of the powder and the pressing mold by slowing down the extrusion speed during production is one of the effective control means, but also affects the granulation efficiency.

Disclosure of Invention

In view of the above, it is an object of the present utility model to provide a tablet drug granulating apparatus capable of effectively reducing the temperature in a die while increasing the extrusion speed of a drug powder, thereby improving the granulating efficiency to solve the problems described in the background art.

The technical scheme of the utility model is realized as follows:

the utility model provides a tablet medicine pelletization device, includes the horizontal conveying pipeline of locating on the support, conveying pipeline one end outside is equipped with actuating mechanism, and the other end seals and has had the moulding-die, be equipped with supporting seat and spiral auger in the conveying pipeline, spiral auger one end drives with actuating mechanism and connects, and the other end rotates and installs in the supporting seat, the conveying pipeline is close to actuating mechanism's top and is equipped with the feeder hopper, a plurality of toper chambeies have been seted up in the moulding-die, and the toper chamber both ends are big mouth and osculum respectively, big mouth is inboard towards the conveying pipeline, and the osculum is outside towards the conveying pipeline, still be equipped with in the moulding-die and mix between the toper chamber for the water jacket of cooling moulding-die, the moulding-die bottom is equipped with the inlet tube of intercommunication water jacket below, and the moulding-die top is equipped with the outlet pipe of intercommunication water jacket top, moulding-die deviates from conveying pipeline one side still is equipped with the cutting mechanism that is arranged in the cutting from the medicine piece that extrudees in the osculum.

When the device is used, the medicine powder is added into the conveying pipe from the feeding hopper, the driving mechanism is started, the medicine powder is conveyed and extruded to one end of the pressing mold along with the spiral auger, when the medicine powder reaches the conical cavity, the medicine powder enters from the large opening, is compressed along with the caliber of the conical cavity which is gradually reduced, is discharged from the small opening, and is cut into granules by the cutting mechanism. In the compression process, cooling water enters the water jacket from the water inlet pipe at the bottom of the compression mold, the cooling water is gradually filled in the water jacket from bottom to top, and then is discharged from the water outlet pipe above the water jacket, when the cooling water flows through the compression mold, the whole compression mold is cooled, and as the water jacket passes through the conical cavities, the cavity walls of the conical cavities can be cooled rapidly, so that the temperature of medicinal powder in the conical cavities is inhibited. After the temperature of the powder in the pressing die is reduced, the conveying and extruding speed of the spiral auger can be increased, so that the granulating efficiency is improved.

The conical cavities are distributed in a matrix mode, the water jackets comprise a bottom water jacket, a top water jacket and a plurality of vertical water jackets, the bottom water jackets are arranged below all the conical cavities, the top water jackets are arranged above all the conical cavities, the vertical water jackets are communicated with the top water jackets and the bottom water jackets and are arranged on two sides of each row of conical cavities, the water inlet pipe is connected with the bottom water jackets, and the water outlet pipe is connected with the top water jackets.

Cooling water enters the bottom water jacket from the water inlet pipe, fills the vertical water jacket after filling the bottom water jacket, overflows upwards to enter the top water jacket, and finally is discharged from the water outlet pipe after filling the top water jacket. The vertical water jackets are arranged on two sides of each row of conical cavities, so that the cavity walls of the conical cavities can be effectively cooled. And cooling water enters the compression mold from the bottom and flows out of the compression mold from the top, so that the compression mold can be fully filled with all water jackets in the compression mold by utilizing the fluid action of the gravity action of the water, the air bubbles are avoided from being hidden in the water jackets, and the damage of medicinal powder caused by the local temperature rise of the air bubble parts is prevented.

The automatic feeding device comprises a feeding pipe, a pressing die, a conical cavity, a guide wall, a guide inclined surface and a guide inclined surface, wherein the feeding pipe is arranged on one end face of the pressing die, the guide wall is arranged on one end face of the pressing die, the conical cavity is arranged inside the guide wall, the outer wall surface of the guide wall is mutually attached to the inner wall surface of the feeding pipe and is in sliding connection with the inner wall surface of the feeding pipe, the inner wall surface of the guide wall is the guide inclined surface, the bottom of the guide inclined surface is connected with the outer edge of a large opening of the conical cavity, and the top of the guide inclined surface is connected with the top of the outer wall surface of the guide wall.

By arranging the guide wall and the guide inclined plane, the powder can completely enter the conical cavity along the guide inclined plane in the pushing and extruding process, and the powder is prevented from being extruded on the end face of the pressing die.

According to a further technical scheme, the connecting parts between the large mouths of the adjacent conical cavities are provided with inclined guide surfaces, and the inclined guide surfaces incline to the inside of the conical cavities.

Through the oblique guide face, the powder pushed to the connecting part between the big openings is guided into the conical cavity, and the situation that the powder is extruded at the connecting part between the big openings to form a hard block is avoided.

The further technical scheme is that the outer wall ring of the pressing die is provided with a mounting ring, the outer wall of a port of the conveying pipe facing the pressing die is also provided with a corresponding mounting ring, the two mounting rings are provided with connecting holes and fixedly connected through a connecting piece, and a sealing ring is further arranged between the two mounting rings.

The compression mold is detached and installed by arranging the sealing ring and the mounting ring, so that the compression mold can be installed at the port of the conveying pipe in a sealing manner, and the compression mold is convenient to detach and clean.

The further technical scheme is that the driving mechanism comprises an auger motor arranged on the bracket.

The further technical scheme is that the cutting mechanism comprises a cutting motor arranged on the support, and a cutting tool bit is arranged on an output shaft of the cutting motor.

According to a further technical scheme, baffles are further arranged on two sides of the cutting mechanism.

Further technical scheme is that the pressing die is made of aluminum.

The utility model has the beneficial effects that:

1. through setting up moulding-die and corresponding toper chamber that has cooling water jacket, in the compression process, cooling water gets into the water jacket from the inlet tube of moulding-die bottom, and cooling water is from bottom to top to be full of the water jacket gradually, and the outlet pipe of water jacket top discharges again, and cooling water is when flowing through the moulding-die, and cooling down to the moulding-die is whole to because the water jacket passes between the toper chamber, can cool down the cavity wall in toper chamber rapidly, thereby restrain the powder temperature in the toper chamber. After the temperature of the powder in the pressing die is reduced, the conveying and extruding speed of the spiral auger can be increased, so that the granulating efficiency is improved.

2. Through the water inlet mode of the cooling water jacket, cooling water enters the bottom water jacket from the water inlet pipe, fills the vertical water jacket after filling the bottom water jacket, overflows upwards to enter the top water jacket, and finally is discharged from the water outlet pipe after filling the top water jacket. The vertical water jackets are arranged on two sides of each row of conical cavities, so that the cavity walls of the conical cavities can be effectively cooled. And cooling water enters the compression mold from the bottom and flows out of the compression mold from the top, so that the compression mold can be fully filled with all water jackets in the compression mold by utilizing the fluid action of the gravity action of the water, the air bubbles are avoided from being hidden in the water jackets, and the damage of medicinal powder caused by the local temperature rise of the air bubble parts is prevented.

3. By arranging the guide wall, the guide inclined plane and the inclined guide surface, the powder can completely enter the conical cavity along the guide inclined plane in the pushing and extruding process, and the powder is prevented from being extruded on the end face of the pressing die.

Drawings

FIG. 1 is an elevational partial structural cross-sectional view of the present device;

FIG. 2 is a perspective view of a stamper;

FIG. 3 is an enlarged view of the structure of FIG. 2 at A;

FIG. 4 is a side view of a stamper;

FIG. 5 is a perspective view of another view of the stamper;

fig. 6 is a perspective view of the internal structure of the stamper.

In the figure, 1, a baffle plate, 2, a cutting motor, 3, a cutting tool bit, 4, a pressing die, 5 and a connecting piece. 6. The device comprises a supporting seat, 7, a spiral auger, 8, a conveying pipe, 9, a feeding hopper, 10, an auger motor, 11, a collecting container, 12, a bracket, 13, a die body, 14, a water inlet pipe, 15, a water outlet pipe, 16, a mounting ring, 17, a connecting hole, 18, a guide wall, 19, a guide inclined plane, 20, a conical cavity, 21, an inclined guide surface, 22, a bottom water jacket, 23, a vertical water jacket, 24 and a top water jacket.

Detailed Description

For a better understanding of the technical content of the present utility model, specific examples are provided below and the present utility model is further described with reference to the accompanying drawings.

Referring to fig. 1 to 6, a tablet drug granulating apparatus comprises a horizontal feed conveying pipe 8 arranged on a bracket 12, one end of the feed conveying pipe 8 is closed, one end of the feed conveying pipe is opened, a spiral auger 7 and a supporting seat 6 are arranged in the feed conveying pipe 8, the supporting seat 6 is composed of a lantern ring coaxial with the feed conveying pipe 8 and a connecting rod for connecting the lantern ring with the inner wall of the feed conveying pipe 8, one end of the spiral auger 7 is rotatably arranged in the lantern ring of the supporting seat 6, and the other end is rotatably arranged in the end wall of the closed end of the feed conveying pipe 8 in a penetrating manner. An auger motor 10 is arranged outside the closed end of the conveying pipe 8, and the auger motor 10 is connected with the spiral auger 7 in a driving mode, so that the spiral auger 7 rotates.

The top of the material conveying pipe 8, which is close to one end of the auger motor 10, is provided with a feed hopper 9.

The open-ended one end of conveying pipeline 8 is equipped with moulding-die 4, and moulding-die 4 is the cylinder of aluminium system, and moulding-die outer wall 13 ring is equipped with collar 16, also is equipped with corresponding collar 16 on the port outer wall of conveying pipeline 8 towards moulding-die 4, has all offered connecting hole 17 in the collar 16 to connect through connecting piece 5, connecting piece 5 is fixed connection for bolt and nut, still is equipped with the sealing washer between two collars 16, and the sealing washer snare is established on moulding-die 4.

The compression mold 4 is provided with a plurality of conical cavities 20, the conical cavities 20 are arranged in a matrix, two ends of each conical cavity 20 are respectively provided with a large opening and a small opening, the large opening faces the inner side of the conveying pipe 8, the small opening faces the outer side of the conveying pipe 8, the large opening is a rectangular opening, and the small opening is a rectangular opening. The die 4 is equipped with annular guide wall 18 towards on the conveying pipe 8 terminal surface, and inside the guide wall 18 was located to the toper chamber 20, avoid laminating each other and sliding connection in the outer wall of guide wall 18 and the conveying pipe 8, the inner wall of guide wall 18 was guide inclined plane 19, and the large-mouth matrix outward flange of toper chamber 20 is connected to the bottom of guide inclined plane 19, and the outer wall top of guide inclined wall is connected at the top of guide inclined plane 19. The connection between the large mouths of adjacent conical cavities 20 is provided with a sloping guide surface 21, the sloping guide surface 21 being inclined towards the inside of the conical cavity 20.

The pressing mold 4 is also provided with a water jacket, the water jacket comprises a bottom water jacket 22, a top water jacket 24 and a plurality of vertical water jackets 23, the bottom water jacket 22 is arranged at the position of all the conical cavities 20, the top water jacket 24 is arranged above all the conical cavities 20, the vertical water jackets 23 are communicated with the top water jacket 24 and the bottom water jacket 22 and are arranged at two sides of each row of conical cavities 20, the bottom of the bottom water jacket 22 is connected with a water inlet pipe 14, and the top of the top water jacket 24 is connected with a water outlet pipe 15.

The die 4 is equipped with cutting mechanism on one side facing away from conveying pipeline 8, and cutting mechanism is equipped with cutting tool bit 3 including locating cutting motor 2 on the support 12 on cutting motor 2's the output shaft, still is equipped with baffle 1 in cutting tool bit 3 both sides, and cutting tool bit 3 below still is equipped with collection container 11.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A tablet drug granulation device, characterized in that: including locating the horizontal conveying pipeline on the support, conveying pipeline one end outside is equipped with actuating mechanism, and the other end seals has the moulding-die, be equipped with supporting seat and spiral auger in the conveying pipeline, spiral auger one end drives with actuating mechanism connects, and the other end rotates and installs in the supporting seat, the conveying pipeline is close to actuating mechanism's top and is equipped with the feeder hopper, a plurality of toper chambeies have been seted up in the moulding-die, and toper chamber both ends are big mouth and osculum respectively, big mouth is inboard towards conveying pipeline, and the osculum is outside towards conveying pipeline, still be equipped with in the moulding-die and mix with between the toper chamber for the water jacket of cooling moulding-die, the moulding-die bottom is equipped with the inlet tube of intercommunication water jacket below, and the moulding-die top is equipped with the outlet pipe of intercommunication water jacket top, moulding-die deviates from conveying pipeline one side and still is equipped with the cutting mechanism that is arranged in the cutting from the medicine piece that the osculum extrudeed.

2. A tablet granulation device according to claim 1, wherein: the conical cavities are distributed in a matrix mode, the water jackets comprise a bottom water jacket, a top water jacket and a plurality of vertical water jackets, the bottom water jackets are arranged below all the conical cavities, the top water jackets are arranged above all the conical cavities, the vertical water jackets are communicated with the top water jackets and the bottom water jackets and are arranged on two sides of each row of conical cavities, the water inlet pipe is connected with the bottom water jackets, and the water outlet pipe is connected with the top water jackets.

3. A tablet granulation device according to claim 2, wherein: the die is equipped with annular guide wall towards on the conveying pipeline terminal surface, the guide wall is inside to the toper chamber, guide wall outer wall and conveying pipeline inner wall laminating each other and sliding connection, the inner wall of guide wall is the guide inclined plane, and the big mouth outward flange in toper chamber is connected to the bottom of guide inclined plane, and the outer wall top of guide wall is connected at the top of guide inclined plane.

4. A tablet granulation device according to claim 3, wherein: the connection between the large mouths of adjacent conical cavities is provided with a sloping guide surface which slopes towards the interior of the conical cavity.

5. A tablet granulation device according to claim 4, wherein: the outer wall ring of moulding-die is equipped with the collar, also be equipped with corresponding collar on the conveying pipeline towards the port outer wall of moulding-die, all offered the connecting hole in two collars to through connecting piece fixed connection, still be equipped with the sealing washer between two collars.

6. A tablet granulation device according to claim 5, wherein: the driving mechanism comprises an auger motor arranged on the support.

7. A tablet granulation device according to claim 6, wherein: the cutting mechanism comprises a cutting motor arranged on the support, and a cutting tool bit is arranged on an output shaft of the cutting motor.

8. A tablet granulation device according to claim 7, wherein: and baffle plates are arranged on two sides of the cutting mechanism.

9. A tablet granulation device according to claim 8, wherein: the die is aluminum.