CN212409275U

CN212409275U - Powder circulation drying device for producing dihydropyridine premix

Info

Publication number: CN212409275U
Application number: CN202021160597.3U
Authority: CN
Inventors: 赵芳; 王永锋; 许雁; 王祖学
Original assignee: Beijing Jinhai Huasheng Pharmaceutical Co ltd
Current assignee: Beijing Jinhai Huasheng Pharmaceutical Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-01-26
Anticipated expiration: 2030-06-19

Abstract

The utility model belongs to the technical field of pharmaceutical engineering's technique and specifically relates to a powder circulation drying device of agent is mixed in advance in production dihydropyridine, it is including the ring conduit that is used for holding wet tablet, be used for ordering about the stirring board that wet tablet removed, be used for ordering about the air-blower that the power component that the stirring board removed along the ring conduit circulation and blow to the ring conduit in, be provided with feed inlet and discharge gate on the ring conduit, the stirring board is provided with a plurality of. The utility model discloses have the effect that alleviates staff intensity of labour.

Description

Powder circulation drying device for producing dihydropyridine premix

Technical Field

The utility model belongs to the technical field of pharmaceutical engineering's technique and specifically relates to a powder circulation drying device that dihydropyridine mixes agent in advance is related to in production.

Background

At present, the method for making tablets in pharmaceutical factories comprises wet tabletting, wherein the wet tabletting production process comprises the steps of processing raw materials and auxiliary materials into powder in proportion, adding a proper amount of adhesive to moisten the surface of the medicine powder, enabling the medicine powder to be aggregated together through a bridge frame of the adhesive and the bonding action, then forming particles with a certain shape and size under the action of external mechanical force and a liquid bridge frame, and finally solidifying the particles in a solid bridge form to form the tablets after drying treatment.

Referring to fig. 1, in one conventional method of drying wet tablets, the wet tablets are placed on a support plate, and then a fan (not shown) is directed to the wet tablets to dry the wet tablets, thereby achieving the effect of drying the wet tablets.

The above prior art solutions have the following drawbacks: when the wet tablets are actually air-dried, due to the fact that the tablet spreading area is large, the worker needs to walk back and forth to turn over the wet tablets so that the wet tablets can be air-dried comprehensively, and if the tablet yield is large, the labor intensity of the corresponding worker is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a powder circulation drying device that agent is mixed in advance to production dihydropyridine, it has the effect that alleviates staff intensity of labour to the not enough of prior art existence.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a powder circulation drying device that agent is mixed in advance to production dihydropyridine, is provided with feed inlet and discharge gate including the annular pipe that is used for holding wet tablet, be used for ordering about the stirring board that wet tablet removed, be used for ordering about the power component that stirring board removed along the annular pipe circulation and to the air-blower of blowing in the annular pipe, on the annular pipe, the stirring board is provided with a plurality of.

Through adopting above-mentioned technical scheme, a staff control power component work, power component drives and stirs the flitch and rotate at the internal circulation of annular duct, open the air-blower, blow in the annular duct, send into wet tablet through the feed inlet, wet tablet removes along annular duct under the drive action of stirring the flitch, the stirring, and air-dry through the air-blower, treat the tablet air-dry back, take out the tablet through the discharge gate, at whole in-process, the staff only need control power component work can, need not to make a round trip to walk and turn the tablet, compare prior art, this technical scheme has the characteristics that alleviate staff intensity of labour.

The present invention may be further configured in a preferred embodiment as: powder circulation drying device still includes the mounting bracket, and power component includes and locates the chain in the annular duct along annular duct axis direction cover, stirs the flitch and connects in the below of chain, has the driving gear and the driven gear of rotation connection on the mounting bracket in the inflection point department meshing of chain, is provided with on the driving gear and orders about driving gear pivoted driving piece.

Through adopting above-mentioned technical scheme, the driving gear is ordered about to the driving piece and is rotated, and the driving gear drives chain, driven gear motion, and then the chain drives stirring board circulatory movement, realizes the motion process of stirring board, and power component convenient to use, the staff only need control the driving piece work can.

The present invention may be further configured in a preferred embodiment as: and a bearing is arranged on the driven gear.

Through adopting above-mentioned technical scheme, the bearing has better reduction frictional effect, makes driven gear rotatory more smooth and easy.

The present invention may be further configured in a preferred embodiment as: and a baffle plate for supporting the chain is arranged below the driving gear and the driven gear.

Through adopting above-mentioned technical scheme, the baffle has the effect that keeps out the chain and drops.

The present invention may be further configured in a preferred embodiment as: the driving piece is a hand wheel.

Through adopting above-mentioned technical scheme, the staff waves the hand wheel and can make stirring board cyclic movement, easy operation, convenient to use.

The present invention may be further configured in a preferred embodiment as: the driving piece is a motor.

Through adopting above-mentioned technical scheme, open the motor and can make the stirring board cyclic movement, easy operation, convenient to use.

The present invention may be further configured in a preferred embodiment as: the stirring plate is vertically arranged and forms an acute angle with the axis direction of the annular guide pipe.

Through adopting above-mentioned technical scheme, the effect that the flitch had the tablet that promotes to remove, mix the tablet has the formation wind channel, makes better air-drying of tablet.

The present invention may be further configured in a preferred embodiment as: the discharge port is positioned at the bottom of the annular guide pipe, and a sealing plate for controlling the opening and closing of the discharge port is detachably connected at the discharge port.

Through adopting above-mentioned technical scheme, after the tablet is dry, open the sealing plate, under the pushing action of stirring the board, the tablet is exported from the discharge gate, and the staff can use flourishing such as sack to connect easy operation.

The present invention may be further configured in a preferred embodiment as: the lower part of the discharge port is also provided with a discharge hopper, the bottom of the discharge hopper is vertically in threaded connection with a plum blossom screw rod, and the sealing plate is connected to the top end of the plum blossom screw rod.

By adopting the technical scheme, the plum blossom screw rod is rotated by a worker, the plum blossom screw rod is controlled to move downwards, the sealing plate can be driven to move downwards, the discharge port is opened, and the plum blossom screw rod is simple to operate and convenient to use.

The present invention may be further configured in a preferred embodiment as: the upper surface of the sealing plate is provided with an inclined plane, the lowest point of the inclined plane is close to one end of the discharging hopper, which is far away from the discharging port, the sealing plate is rotatably connected with the plum blossom screw rod, and a sliding rod which penetrates out of the discharging hopper and is connected with the discharging hopper in a sliding manner is fixedly connected to the lower surface of the sealing plate in a vertical mode.

Through adopting above-mentioned technical scheme, rotatory plum blossom screw rod makes the board that seals remove downwards, and at this in-process, the tablet falls to the inclined plane, and from going out hopper output under the guide effect on inclined plane, because of the slide bar restriction the board that seals rotates for the inclined plane orientation is fixed, thereby has reached the effect of guide tablet quick output.

To sum up, the utility model discloses a following at least one useful technological effect:

1. compared with the prior art, the technical scheme has the characteristics of reducing the labor intensity of workers by arranging the annular guide pipe with the feeding hole and the discharging hole, the stirring plate, the power assembly and the air blower;

2. the chain, the driving gear, the driven gear, the mounting frame and the driving piece are arranged, the driving piece drives the driving gear to rotate, the driving gear drives the chain and the driven gear to move, and then the chain drives the stirring plate to circularly move, so that the moving process of the stirring plate is realized, the power assembly is convenient to use, and a worker only needs to control the driving piece to work;

3. through setting up out the hopper, sealing board and plum blossom screw rod, the staff rotates the plum blossom screw rod, and control plum blossom screw rod moves down, can drive and seal the board and move down, and the discharge gate is opened, plum blossom screw rod easy operation, convenient to use.

Drawings

FIG. 1 is a schematic representation of a dry tablet provided by the prior art;

FIG. 2 is a schematic structural diagram of a powder circulation drying device for producing dihydropyridine premix according to the present invention;

FIG. 3 is a schematic view of the drive gear and the driving member in a mating relationship;

FIG. 4 is a schematic view showing a driven gear and a material stirring plate;

FIG. 5 is a schematic view showing the screw, the connecting cylinder and the baffle;

fig. 6 is a schematic view for showing the discharging manner.

In the figure, 1, a mounting frame; 10. a support bar; 11. a U-shaped rod; 2. an annular conduit; 20. a straight pipe section; 200. a feed inlet; 21. a first annular segment; 22. a second annular segment; 220. a discharge port; 3. a feed hopper; 4. a material stirring plate; 40. a connecting rod; 5. a power assembly; 50. a chain; 51. a driving gear; 510. a drive shaft; 511. a drive member; 52. a driven gear; 520. a bearing; 521. a connecting cylinder; 522. a screw; 53. a baffle plate; 6. a blower; 60. a wind delivery pipe; 7. a discharge hopper; 70. a quincuncial screw rod; 71. a sealing plate; 710. a bevel; 72. a slide bar.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2, the utility model discloses a powder circulation drying device for producing dihydropyridine premix, which comprises a mounting frame 1 placed on a table top, an annular duct 2 for holding wet tablets, a feed hopper 3 for conveying the wet tablets into the annular duct 2, a stirring plate 4 for pushing the wet tablets to move circularly, a power assembly 5 for driving the stirring plate 4 to move, and a blower 6 for air-drying the wet tablets; the mounting rack 1 comprises two support rods 10 which are placed on the desktop in parallel, two U-shaped rods 11 which are parallel to each other are vertically and fixedly connected between the two support rods 10, and U-shaped openings of the U-shaped rods 11 face the desktop; the annular conduit 2 comprises two straight pipe sections 20 which are arranged in parallel, the axial direction of each straight pipe section 20 is parallel to the long axis direction of the support rod 10, the cross section of each straight pipe section 20 is annular, the hopper 3 is funnel-shaped and is vertically installed on one straight pipe section 20, a first annular section 21 is fixedly connected between one ends of the two straight pipe sections 20 which are positioned on the same side, the cross section of the first annular section 21 is semi-arc-shaped, a second annular section 22 is fixedly connected between the other ends of the two straight pipe sections 20 which are positioned on the same side, and the cross section of the second annular section 22 is semi-arc-shaped; a plurality of stirring plates 4 are uniformly and vertically arranged in the annular guide pipe 2, the stirring plates 4 are in contact with the inner wall of the bottom of the annular guide pipe 2, the height of the stirring plates 4 is not more than the radius of the annular guide pipe 2, an included angle of 45 degrees is formed between the axes of the stirring plates 4 and the annular guide pipe 2, an arc-shaped chamfer matched with the inner wall of the bottom of the annular guide pipe 2 is arranged at the bottom end of the stirring plates 4, and a gap for wet tablets to pass through is formed between the stirring plates 4 and the side wall of the annular guide pipe 2; the power assembly 5 comprises a chain 50 which is located on the same vertical surface with the axis of the annular guide pipe 2, the chain 50 penetrates through the annular guide pipe 2 and is located at the position on the upper side of the middle part, a connecting rod 40 is fixedly connected to the top of the stirring plate 4 in the vertical direction, the top end of the connecting rod 40 is fixedly welded to the lower surface of the chain link, and a driving gear 51 and three driven gears 52 which are in tensioning engagement with the chain 50 are respectively arranged at the positions of four inflection points of the chain 50.

Referring to fig. 2 and 3, the driving gear 51 is located right above the first annular section 21, a driving shaft 510 is coaxially and fixedly connected to the top of the driving gear 51 and penetrates upward through the U-shaped rod 11, and a driving member 511 for driving the driving gear 51 to rotate is coaxially and fixedly connected to the top of the driving shaft 510, the driving member 511 in this embodiment is a hand wheel, and in other examples, a motor may be used; referring to fig. 3 and 4, a bearing 520 is embedded in the driven gear 52, a connecting cylinder 521 is fixedly inserted in the bearing 520, an internal thread is formed in the connecting cylinder 521, a screw 522 is arranged on the U-shaped rod 11 from top to bottom in a penetrating manner, and the screw 522 is in threaded connection with the connecting cylinder 521 (see fig. 5); in order to make the chain 50 not easy to fall off from the driving gear 51 and the driven gear 52, baffles 53 for supporting the chain 50 are coaxially and fixedly connected to the bottoms of the driving gear 51 and the driven gear 52 respectively; the blower 6 is arranged on the table top and positioned at one side close to the first annular section 21, an air outlet of the blower 6 is communicated with an air delivery pipe 60 extending into one straight pipe section 20, and the air delivery pipe 60 is positioned above the chain 50.

Referring to fig. 4 and 6, in order to facilitate the dried tablets to be output from the annular conduit 2, a discharge port 220 is formed in the bottom of the second annular section 22, a discharge hopper 7 is connected below the discharge port 220, a quincunx screw 70 in threaded connection with the discharge hopper 7 vertically penetrates through the position, located right below the discharge port 220, of the discharge hopper 7, a sealing plate 71 matched with the discharge port 220 is rotatably connected to the top end of the quincunx screw 70, a sliding rod 72 is vertically and fixedly connected to the lower surface of the sealing plate 71, and the sliding rod 72 penetrates through the discharge hopper 7 and is connected with the discharge hopper 7 in a sliding manner; in order to increase the tablet discharge speed, a slope 710 is provided on the upper surface of the sealing plate 71, and the lowest point of the slope 710 is close to the end of the discharge hopper 7 away from the discharge port 220.

The implementation principle of the embodiment is as follows: the air blower 6 is turned on, one worker controls the driving piece 511 to work, the driving piece 511 transmits power to the stirring plates 4 sequentially through the driving gear 51, the driven gear 52 and the chain 50 to drive the stirring plates 4 to rotate circularly, the other worker pours wet tablets into the feeding hopper 3, the wet tablets are separated by the stirring plates 4 and move and are stirred along with the movement of the stirring plates 4, in the process, the air blower 6 blows air to the wet tablets to dry the wet tablets continuously, the stirring plates 4 are obliquely arranged to enable the wet tablets to flow between the stirring plates 4, and meanwhile, a plurality of air channels are formed to facilitate the air drying of the wet tablets; after the wet medicine tablets are dried, the chain 50 continues to rotate, one worker rotates the quincunx screw 70 to enable the sealing plate 71 to move downwards, the discharge port 220 is opened, the medicine tablets fall onto the inclined surface 710 of the sealing plate 71 through the discharge port 220 and are discharged through the discharge hopper 7 under the guiding action of the inclined surface 710, and the sliding rod 72 limits the rotation of the sealing plate 71 and ensures the stability of the sealing plate 71 in the moving process.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a powder circulation drying device that production dihydropyridine mixes agent in advance which characterized in that: the wet tablet mixing machine comprises an annular guide pipe (2) for containing wet tablets, a mixing plate (4) for driving the wet tablets to move, a power assembly (5) for driving the mixing plate to circularly move along the annular guide pipe (2) and an air blower (6) for blowing air into the annular guide pipe (2), wherein a feeding hole (200) and a discharging hole (220) are formed in the annular guide pipe (2), and a plurality of mixing plates (4) are arranged.

2. The powder circulation drying device for producing the dihydropyridine premix as in claim 1, which is characterized in that: still include mounting bracket (1), chain (50) in annular pipe (2) are located including following annular pipe (2) axis direction cover in power component (5), stir flitch (4) and connect in the below of chain (50), have drive gear (51) and driven gear (52) of rotation connection on mounting bracket (1) in the inflection point department meshing of chain (50), are provided with driving gear (51) pivoted driving piece (511) of driving on drive gear (51).

3. The powder circulation drying device for producing the dihydropyridine premix as in claim 2, which is characterized in that: and a bearing (520) is arranged on the driven gear (52).

4. The powder circulation drying device for producing the dihydropyridine premix as in claim 2, which is characterized in that: and a baffle plate (53) for supporting the chain (50) is arranged below the driving gear (51) and the driven gear (52).

5. The powder circulation drying device for producing the dihydropyridine premix as in claim 2, which is characterized in that: the driving part (511) is a hand wheel.

6. The powder circulation drying device for producing the dihydropyridine premix as in claim 2, which is characterized in that: the driving part (511) is a motor.

7. The powder circulation drying device for producing the dihydropyridine premix as in claim 1, which is characterized in that: the stirring plate (4) is vertically arranged and forms an acute angle with the axis direction of the annular guide pipe (2).

8. The powder circulation drying device for producing the dihydropyridine premix as in claim 1, which is characterized in that: the discharge port (220) is positioned at the bottom of the annular guide pipe (2), and a sealing plate (71) for controlling the opening and closing of the discharge port (220) is detachably connected to the discharge port (220).

9. The powder circulation drying device for producing the dihydropyridine premix as in claim 8, which is characterized in that: a discharge hopper (7) is further arranged below the discharge port (220), a plum blossom screw (70) is vertically and threadedly connected to the bottom of the discharge hopper (7), and a sealing plate (71) is connected to the top end of the plum blossom screw (70).

10. The powder circulation drying device for producing the dihydropyridine premix as in claim 9, which is characterized in that: the upper surface of sealing board (71) is provided with inclined plane (710), and the one end of keeping away from discharge gate (220) on being close to out hopper (7) of the minimum of inclined plane (710), seals board (71) and plum blossom screw rod (70) and rotates and be connected, has slide bar (72) of wearing out hopper (7) and sliding and being connected with play hopper (7) at the vertical rigid coupling of lower surface of sealing board (71).