CN210309166U

CN210309166U - Tablet press is used in famciclovir dispersible tablet preparation

Info

Publication number: CN210309166U
Application number: CN201920529689.5U
Authority: CN
Inventors: 李建新; 陈泳海
Original assignee: JIANGSU CHENPAI PHARMACEUTICAL CO Ltd
Current assignee: JIANGSU CHENPAI PHARMACEUTICAL CO Ltd
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-04-14
Anticipated expiration: 2029-04-18

Abstract

The utility model discloses a tablet press is used in preparation of famciclovir dispersible tablet, including fixed plate, fly leaf and mould board, the bottom of fixed plate is arranged in to the fly leaf, and the mould board has two, and two mould boards are arranged and all are arranged in the bottom of fly leaf along vertical direction, and four corners of fixed plate bottom are all fixed and are provided with the bracing piece, the bottom of bracing piece pass the mould board at fly leaf and top respectively and with the mould board fixed connection of bottom, the both sides on fixed plate top all are provided with the cylinder, the bottom of cylinder pass the fixed plate and with fly leaf fixed connection. The utility model relates to a tablet press is used in preparation of famciclovir dispersible tablet arranges the shaping downthehole in to drug powder, and the cylinder is connected with external air pump through external control valve, and external air pump work promotes the fly leaf to remove when the cylinder is impressed gas, and the fly leaf promotes the mould board downstream of top and bottom, through drift and shaping hole matched with punching press, suppresses the drug powder into the slice.

Description

Tablet press is used in famciclovir dispersible tablet preparation

Technical Field

The utility model relates to a tablet press specifically is a tablet press is used in preparation of famciclovir dispersible tablet.

Background

Famciclovir dispersible tablets for treating herpes zoster and primary genital herpes are generally prepared by a tabletting method, which is one of dry molding, and raw material powder is usually mechanically pressed into a tablet shape or a ring shape, wherein the raw material powder can be completely dried or has certain humidity. When tabletting, the medicinal powder is firstly placed in a forming die which is generally a round hole or a square hole, then a punch of an upper die moves downwards and presses the raw material powder into a sheet shape or a ring shape together with the punch on a lower die, and finally the punch on the lower die pushes the pressed tablet out of the forming hole, thus completing the tabletting process once.

According to the Chinese utility model patent (application number: CN201120436351.9, application date: 2011.11.07), "a single-punch tablet press for tablet forming", the structure is "made up of: supporting bench, last mould and bed die, the bed die sets up on the supporting bench, it includes the round platform and sets up the columniform upper punch on the lower terminal surface of round platform to go up the mould, the bed die is discoid, and the bed die links with the motor that sets up in the supporting bench, is equipped with the shaping hole on the bed die, the shape of the longitudinal section in shaping hole is trapezoidal, and the size of shaping hole and upper punch cooperatees, the utility model adopts the above structure, can make the tablet easily ejecting, avoid taking place the tablet to damage ", nevertheless still be not enough on using a bit, for example, this technical scheme can only punch one row of tablet at every turn when the operation, and production efficiency is low, and the tablet is not convenient for collect it when ejecting. Therefore, we improved this and proposed a tabletting machine for the preparation of dispersible tablets of famciclovir.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a tablet press is used in preparation of famciclovir dispersible tablet, including fixed plate, fly leaf and mould board, the bottom of fixed plate is arranged in to the fly leaf, the mould board has two, two the mould board is arranged and all is arranged in the bottom of fly leaf along vertical direction, four corners of fixed plate bottom are all fixed and are provided with the bracing piece, the bottom of bracing piece pass the mould board at fly leaf and top respectively and with the mould board fixed connection of bottom, the both sides on fixed plate top all are provided with the cylinder, the bottom of cylinder pass the fixed plate and with fly leaf fixed connection.

As a preferred technical scheme of the utility model, the bracing piece is pegged graft with the mould board activity at fly leaf and top respectively, and the bracing piece is arranged in outside cover between bottom and the top mould board and is equipped with compression spring, compression spring's both ends respectively with the mould board fixed connection at bottom and top.

As a preferred technical scheme of the utility model, a plurality of shaping hole has been seted up to the top equidistance of mould board, the bottom of fly leaf and the bottom of top mould board are all fixed be provided with shaping hole matched with drift.

As an optimal technical scheme of the utility model, the mould board includes mould and lower mould, the standing groove that is the U-shaped is seted up in the connection of one side homogeneous phase of going up mould and lower mould, the layer board has been placed in the standing groove.

As a preferred technical scheme of the utility model, the both sides of layer board all are provided with the dog, go up the top of standing groove on the mould and seted up with dog matched with recess, and the front of layer board is provided with the pull ring.

As a preferred technical scheme of the utility model, four edges on lower mould top all move about and are provided with the threaded rod, the top of threaded rod is passed and is gone up the mould and fixed being provided with and revolves wrong ring.

The utility model has the advantages that: the tablet press for preparing famciclovir dispersible tablets is characterized in that drug powder is placed in a forming hole, a cylinder is connected with an external air pump through an external control valve, the external air pump pushes a movable plate to move when pressing gas into the cylinder, the movable plate pushes top and bottom die plates to move downwards, the drug powder is pressed into a sheet shape through a punch and the forming hole in a matched stamping mode, multiple rows of tablets can be stamped each time through multiple groups of die plates, certain working efficiency is improved, after the tablet press is formed, a ring is twisted to rotate to drive a threaded rod, the threaded rod rotates to drive an upper die in threaded connection with the threaded rod to move along the threaded rod, the upper die is separated from a lower die, the cylinder works again to push the movable plate and the die plates to move, the punch is improved to push the pressed tablets out to a supporting plate, and then a pull ring is pulled to take, the collection of the compressed tablets is realized.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic diagram showing the structure of a tablet press for preparing dispersible tablets of famciclovir according to the present invention;

FIG. 2 is a schematic side view of a tablet press of the present invention for the preparation of dispersible tablets of famciclovir;

FIG. 3 is a schematic diagram of the die plate structure of a tablet press for preparing famciclovir dispersible tablets of the present invention;

FIG. 4 is a schematic structural view of an upper die and a lower die of the tablet press for preparing famciclovir dispersible tablets of the present invention;

FIG. 5 is a schematic diagram showing a partially enlarged structure of a tablet press for preparing famciclovir dispersible tablets according to the present invention.

In the figure: 1. a fixing plate; 2. a movable plate; 3. a mold plate; 301. an upper die; 302. a lower die; 4. a support bar; 5. a cylinder; 6. a compression spring; 7. a placement groove; 8. a support plate; 9. a stopper; 10. a groove; 11. a pull ring; 12. a threaded rod; 13. screwing the ring; 14. forming holes; 15. and (4) punching.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the utility model relates to a tablet press is used in preparation of famciclovir dispersible tablet, including fixed plate 1, fly leaf 2 and mould board 3, fixed plate 1's bottom is arranged in to fly leaf 2, mould board 3 has two, two mould boards 3 are arranged and are all arranged in fly leaf 2's bottom along vertical direction, four corners of fixed plate 1 bottom are all fixed and are provided with bracing piece 4, bracing piece 4's bottom pass respectively fly leaf 2 and the mould board 3 of top and with the mould board 3 fixed connection of bottom, the both sides on fixed plate 1 top all are provided with cylinder 5, fixed plate 1 is passed to cylinder 5's bottom and with fly leaf 2 fixed connection.

Wherein, bracing piece 4 pegs graft with the mould board 3 activity at fly leaf 2 and top respectively, and bracing piece 4 arranges in that the outside cover between bottom and the top mould board 3 is equipped with compression spring 6, compression spring 6's both ends respectively with the mould board 3 fixed connection at bottom and top, through the compression spring 6 that is equipped with, when suppressing the tablet, compression spring 6 atress shrink, through compression spring 6's elastic action, can slow down certain impact force.

Wherein, a plurality of shaping hole 14 has been seted up to the top equidistance of mould board 3, and the bottom of fly leaf 2 and the bottom of top mould board 3 all are fixed be provided with shaping hole 14 matched with drift 15, cooperate with shaping hole 14 through drift 15 that are equipped with, realize pressing likepowder medicine into piece.

Wherein, mould board 3 includes mould 301 and lower mould 302, and the one side homogeneous phase of going up mould 301 and lower mould 302 is connected and is offered the standing groove 7 that is the U-shaped, has placed layer board 8 in the standing groove 7, through the layer board 8 that is equipped with, is convenient for collect compression moulding's tablet.

Wherein, the both sides of layer board 8 all are provided with dog 9, go up the top of mould 301 on standing groove 7 and seted up recess 10 with dog 9 matched with, and the front of layer board 8 is provided with pull ring 11, can play the effect of blockking to the tablet through the dog 9 that is equipped with, reduce the possibility that the tablet drops from layer board 8.

The four corners of the top end of the lower die 302 are movably provided with threaded rods 12, the top end of each threaded rod 12 penetrates through the upper die 301 and is fixedly provided with a screwing ring 13, after tablets are pressed and formed, the screwing ring 13 is screwed to drive the threaded rods 12 to rotate, and the threaded rods 12 rotate to enable the upper die 301 in threaded connection with the threaded rods to move along the threaded rods 12, so that the upper die 301 and the lower die 302 are separated.

During operation, powdery medicine is placed in the forming hole 14, the air cylinder 5 is connected with an external air pump through an external control valve, the external air pump pushes the movable plate 2 to move when pressing gas into the air cylinder 5, the movable plate 2 moves to push the top and bottom die plates 3 to move downwards, the punch 15 is matched with the forming hole 14 for punching, medicine powder is pressed into sheets, the air cylinder 5 retracts after punching forming, the screwing ring 13 is screwed to drive the threaded rod 12 to rotate, the threaded rod 12 rotates to realize that the upper die 301 in threaded connection with the threaded rod moves along the threaded rod 12, so that the upper die 301 and the lower die 302 are separated, the air cylinder 5 works again to push the movable plate 2 and the die plates 3 to move, the tablets are ejected from the forming hole 14 to the supporting plate 8 through the punch 15, the pull ring 11 is pulled, the supporting plate 8 is taken out from the placing groove 7, and the tablets larger than the pressed tablets are collected, through the compression spring 6 that is equipped with, when suppressing the tablet, compression spring 6 atress shrink, through compression spring 6's elastic action, can slow down certain impact force, can play the effect of blockking to the tablet through the dog 9 that is equipped with, reduces the possibility that the tablet drops from layer board 8.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a tablet press is used in preparation of famciclovir dispersible tablet, includes fixed plate (1), fly leaf (2) and mould board (3), its characterized in that, the bottom of fixed plate (1) is arranged in fly leaf (2), mould board (3) have two, two mould board (3) are arranged and are all arranged in the bottom of fly leaf (2) along vertical direction, four corners of fixed plate (1) bottom are all fixed and are provided with bracing piece (4), the bottom of bracing piece (4) pass respectively fly leaf (2) and the mould board (3) at top and with the mould board (3) fixed connection of bottom, the both sides on fixed plate (1) top all are provided with cylinder (5), the bottom of cylinder (5) pass fixed plate (1) and with fly leaf (2) fixed connection.

2. The tablet press for preparing famciclovir dispersible tablets according to claim 1, wherein the support rod (4) is movably inserted into the movable plate (2) and the top die plate (3) respectively, and the compression spring (6) is sleeved outside the support rod (4) between the bottom and top die plates (3), and two ends of the compression spring (6) are fixedly connected with the bottom and top die plates (3) respectively.

3. The tablet press according to claim 1, wherein a plurality of forming holes (14) are equidistantly formed at the top end of the die plate (3), and punches (15) matched with the forming holes (14) are fixedly arranged at the bottom end of the movable plate (2) and the bottom end of the top die plate (3).

4. The tablet press according to claim 1, wherein the die plate (3) comprises an upper die (301) and a lower die (302), one side of the upper die (301) and one side of the lower die (302) are connected to each other to form a U-shaped placement groove (7), and a supporting plate (8) is placed in the placement groove (7).

5. The tablet press according to claim 4, wherein the supporting plate (8) is provided with stoppers (9) on both sides, the upper mold (301) is provided with grooves (10) at the top of the placing groove (7) for matching with the stoppers (9), and the supporting plate (8) is provided with pull rings (11) on the front surface.

6. The tablet press according to claim 4, wherein a threaded rod (12) is movably arranged at each of four corners of the top end of the lower die (302), and the top end of the threaded rod (12) passes through the upper die (301) and is fixedly provided with a screwing ring (13).