CN115742433A

CN115742433A - Mould of pharmaceutical tablet press

Info

Publication number: CN115742433A
Application number: CN202211405906.2A
Authority: CN
Inventors: 雷向阳; 黄健; 蔡良武; 黄有玉
Original assignee: Deqing Jingcheng Pharmaceutical Machinery Co ltd
Current assignee: Deqing Jingcheng Pharmaceutical Machinery Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-03-07

Abstract

The invention discloses a mould of a pharmaceutical tablet press, which relates to the technical field of pharmaceutical production and comprises an upper mould base, wherein a lower mould base is lapped at the bottom of the upper mould base, a conveying structure is fixedly installed on the right side of the lower mould base, a driving motor is fixedly installed on the left side of the top of the front of the lower mould base, a push plate is movably sleeved in the middle of the front of the lower mould base, and tablets are lapped at the top of the push plate and the joint between the upper mould base and the lower mould base. The annular wear-resistant sleeve is supported by the supporting spring, so that the guide effect of the limiting rod on the push plate is improved, the bottom of the guide sleeve is convenient to mount by the aid of the second screw and the fixed seat, and the guide sleeve is convenient to mount and dismount.

Description

Mould of pharmaceutical tablet press

Technical Field

The invention relates to the technical field of medicine production, in particular to a mould of a pharmaceutical tablet press.

Background

The tablet press is mainly used for tablet process research in the pharmaceutical industry. The tablet machine presses the granular material into round and special-shaped materials with the diameter not more than 13mm and automatic continuous production equipment of flaky materials with characters, symbols and figures. Tablets are the most common dosage form in pharmaceutical formulations, and tablet press dies are an integral part of the most common tablet press equipment. It is also a very important task how to correctly select the appropriate dies after the selection of the tablet press.

The following problems exist in the prior art:

the existing mould of the pharmaceutical tablet press is inconvenient for pushing out the pressed and formed raw materials for transmission, so that the continuous processing of the medicine is inconvenient, and the processing efficiency of the tablet is influenced; the existing mould of the pharmaceutical tablet press is not convenient for ejecting the raw materials after compression molding, so that the raw materials are not convenient to discharge, and the preparation efficiency of the mould of the pharmaceutical tablet press for tablets is reduced.

Disclosure of Invention

The invention provides a mould of a pharmaceutical tablet press, which aims to solve the problems in the background technology.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides a tablet press mould, includes the upper die base, the bottom overlap joint of upper die base has the die holder, the right side fixed mounting of die holder has the conveying structure, the left side fixed mounting at the positive top of die holder has driving motor, the push pedal has been cup jointed in the positive middle part activity of die holder, the top of push pedal and the junction overlap joint that is located between upper die base and the die holder have the tablet.

The left side of driving motor axis of rotation and the fixed gear two that has cup jointed in left side that is located the die holder, the top meshing of two outer walls of gear has gear one, the fixed threaded rod that has cup jointed of inner wall of gear one, the outer wall threaded connection of threaded rod has the thread bush, the top fixed mounting of thread bush has the baffle, the right side threaded connection of baffle has screw one, the right side of a screw outer wall is pegged graft and is had the pushing head.

The bottom fixed mounting of push pedal has the ejector pin, the bottom fixedly connected with high elastic force position spring of ejector pin, the edge fixed mounting of push pedal bottom has the gag lever post, the guide pin bushing has been cup jointed in the bottom activity of gag lever post outer wall.

The technical scheme of the invention is further improved as follows: and the air hole is formed in the front of the lower die holder and positioned on the left side of the driving motor, and the air hole is cylindrical.

The technical scheme of the invention is further improved as follows: the right side of the threaded rod is rotatably connected with a sliding block, the top of the sliding block is in sliding connection with the front bottom of the guide plate, and the left side of the outer wall of the threaded rod, which is located on the right side of the first gear, is rotatably connected with the front left side of the lower die holder.

The technical scheme of the invention is further improved as follows: the driving motor comprises a reinforcing plate, the inner wall of the reinforcing plate is connected with the outer wall of the first screw in an inserting mode, and the outer wall of the reinforcing plate is fixedly sleeved with a rubber sleeve.

The technical scheme of the invention is further improved as follows: the right side fixedly connected with rubber gasbag pad of rubber sleeve, the right side fixedly connected with rubber wear pad of rubber gasbag pad.

The technical scheme of the invention is further improved as follows: and the bottom of the guide sleeve is spliced with a fixed seat, and the front side of the bottom of the fixed seat, which is positioned on the lower die seat, is in threaded connection with a second screw.

The technical scheme of the invention is further improved as follows: the bottom of the limiting rod is fixedly provided with a limiting sleeve, and the outer wall of the limiting sleeve is movably sleeved with the inner wall of the guide sleeve.

The technical scheme of the invention is further improved as follows: the top of stop collar and the outer wall fixed mounting who is located the gag lever post have supporting spring, supporting spring's top fixed mounting has the wear-resisting cover of annular, the outer wall of the wear-resisting cover of annular cup joints with the inner wall activity of guide pin bushing, the inner wall of the wear-resisting cover of annular cup joints with the outer wall activity of gag lever post.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:

1. the invention provides a mould of a pharmaceutical tablet press, which reduces the abrasion between the bottom of a limiting rod and the inner wall of a guide sleeve through the action of an annular wear-resistant sleeve and the limiting sleeve, avoids the problem of shaking of the bottom of the outer wall of the limiting rod, supports the annular wear-resistant sleeve through the action of a supporting spring, improves the guiding effect of the limiting rod on a push plate, and facilitates the installation of the bottom of the guide sleeve through the action of a second screw and a fixed seat, thereby achieving the purpose of facilitating the disassembly and assembly of the guide sleeve.

2. The invention provides a mould of a pharmaceutical tablet press, which is characterized in that a guide plate is guided through the action of a sliding block, so that the guide plate is convenient to control, a first screw is utilized to replace a push head, so that the aim of assembling and disassembling the push head is fulfilled, the problem of damage to tablets caused by overlarge thrust is avoided through the action of a rubber airbag cushion and a rubber wear-resistant cushion, and the aim of dissipating heat generated by a driving motor through the flow of air around the driving motor is fulfilled through the action of an air hole.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of the pushing head of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of the present invention.

In the figure: 1. an upper die holder; 2. a lower die holder; 3. a transfer structure;

4. a drive motor; 41. a guide plate; 42. a slider; 43. a first screw; 44. pushing the head; 441. a rubber sleeve; 442. a reinforcing plate; 443. a rubber airbag cushion; 444. a rubber wear pad; 45. a threaded rod; 46. a threaded sleeve; 47. a first gear; 48. a second gear; 49. air holes;

5. pushing the plate; 51. a guide sleeve; 52. a top rod; 53. a high-elastic position spring; 54. a limiting rod; 55. a second screw; 56. a fixed seat; 57. an annular wear sleeve; 58. a support spring; 59. a limiting sleeve;

6. and (4) tablets.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-4, the invention provides a mold for a pharmaceutical tablet press, which comprises an upper mold base 1, a lower mold base 2 is lapped at the bottom of the upper mold base 1, a conveying structure 3 is fixedly installed on the right side of the lower mold base 2, a driving motor 4 is fixedly installed on the left side of the top of the front of the lower mold base 2, a push plate 5 is movably sleeved in the middle of the front of the lower mold base 2, tablets 6 are lapped at the top of the push plate 5 and at the joint between the upper mold base 1 and the lower mold base 2, a gear two 48 is fixedly sleeved on the left side of a rotating shaft of the driving motor 4 and at the left side of the lower mold base 2, a gear one 47 is meshed at the top of the outer wall of the gear two 48, a threaded rod 45 is fixedly sleeved on the inner wall of the gear one 47, a threaded sleeve 46 is connected with the outer wall of the threaded rod 45, a guide plate 41 is fixedly installed at the top of the threaded sleeve 46, a guide plate 43 is connected with the right side of the screw, a pusher 44 is inserted in the right side of the outer wall of the screw one 43, a push rod 52 is fixedly installed at the bottom of the push plate 5, a push rod 52 is fixedly installed at the bottom of the push rod 52, a high-elasticity-position spring 53 is fixedly connected at the edge of the bottom of the push plate 5, a limit rod 54 is fixedly installed at the edge of the limit rod 54, and a guide sleeve 51 is movably sleeved at the outer wall of the guide sleeve 54.

In this embodiment, put into the inner chamber at the top of the front of lower die holder 2 with the required raw materials of pharmacy, then utilize hydraulic means to push upper die holder 1 downwards, thereby reach the purpose of carrying out the shaping to the tablet, thereby make the tablet form the shape of tablet 6, reuse hydraulic means and upwards stimulate upper die holder 1, utilize the effect of high elastic force position spring 53 simultaneously, push rod 52 promotes, make push pedal 5 promote tablet 6, push out tablet 6 from the inner chamber of lower die holder 2, thereby be convenient for carry out the purpose of liftout to tablet 6, when push pedal 5 pushes out the upper surface of lower die holder 2 with tablet 6, start driving motor 4, utilize the left side of driving motor 4 to drive gear two 48 and rotate, make under the effect of meshing between gear two 48 and gear one 47 drive threaded rod 45 and rotate, thereby promote threaded sleeve 46, make threaded sleeve 46 promote guide plate 41, thereby make push head 44 push tablet 6 to the upper surface of transport structure 3, thereby reach and be convenient for carry out the purpose of unloading to tablet 6, thereby be convenient for carry out the streamlined production to the production.

Example 2

As shown in fig. 1 to 4, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the air hole 49 is formed in the front of the lower die holder 2 and on the left side of the driving motor 4, the air hole 49 is cylindrical, the right side of the threaded rod 45 is rotatably connected with the sliding block 42, the top of the sliding block 42 is slidably connected with the front bottom of the guide plate 41, the left side of the outer wall of the threaded rod 45 is rotatably connected with the right side of the first gear 47 and the front left side of the lower die holder 2, the driving motor 4 comprises a reinforcing plate 442, the inner wall of the reinforcing plate 442 is inserted into the outer wall of the first screw 43, the outer wall of the reinforcing plate 422 is fixedly sleeved with the rubber sleeve 441, the right side of the rubber sleeve 441 is fixedly connected with a rubber airbag cushion 443, and the right side of the rubber airbag cushion 443 is fixedly connected with a rubber wear-resistant cushion 444.

In this embodiment, through the effect of annular wear-resisting cover 57 and stop collar 59, reduce the wearing and tearing between gag lever post 54 bottom and the guide pin bushing 51 inner wall, avoid the bottom of gag lever post 54 outer wall to take place to rock, utilize supporting spring 58's effect simultaneously, support annular wear-resisting cover 57, thereby improve the guide effect of gag lever post 54 to push pedal 5, utilize the effect of two 55 screws and fixing base 56, be convenient for install the bottom of guide pin bushing 51, thereby reach the purpose of being convenient for carry out the dismouting to guide pin bushing 51.

Example 3

As shown in fig. 1 to 4, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the fixing base 56 is inserted into the bottom of the guide sleeve 51, the screw II 55 is connected to the bottom of the fixing base 56 and the front surface of the lower die holder 2 through threads, the limiting sleeve 59 is fixedly mounted at the bottom of the limiting rod 54, the outer wall of the limiting sleeve 59 is movably sleeved with the inner wall of the guide sleeve 51, the supporting spring 58 is fixedly mounted at the top of the limiting sleeve 59 and located on the outer wall of the limiting rod 54, the annular wear-resistant sleeve 57 is fixedly mounted at the top of the supporting spring 58, the outer wall of the annular wear-resistant sleeve 57 is movably sleeved with the inner wall of the guide sleeve 51, and the inner wall of the annular wear-resistant sleeve 57 is movably sleeved with the outer wall of the limiting rod 54.

In this embodiment, through the effect of slider 42, lead to baffle 41, thereby be convenient for control baffle 41, utilize the effect of screw 43 simultaneously, thereby be convenient for change pushing head 44, thereby reach the purpose of carrying out the dismouting to pushing head 44, utilize the effect of rubber gasbag pad 443 and rubber abrasion pad 444, avoid pushing force too big to cause the damage to tablet 6, utilize the effect of gas pocket 49, be convenient for driving motor 4 surrounding air's flow, thereby reach the heat that produces driving motor 4 and carry out radiating purpose.

The working principle of the mold of the pharmaceutical tablet press is described in detail below.

As shown in fig. 1-4, firstly, raw materials required for pharmacy are put into an inner cavity at the top of the front surface of a lower die holder 2, then a hydraulic device is used for pushing the upper die holder 1 downwards to achieve the purpose of forming tablets, so that the tablets are in the shape of the tablets 6, the hydraulic device is used for pulling the upper die holder 1 upwards again, meanwhile, a high-elastic force position spring 53 is used for pushing a top rod 52, a push plate 5 is used for pushing the tablets 6, the tablets 6 are pushed out of the inner cavity of the lower die holder 2, so that the tablets 6 are convenient to eject, when the tablets 6 are pushed, the bottom of the push plate 5 is guided by the aid of the guide sleeve 51 and the top rod 52 to avoid rotation during up-and-down movement, meanwhile, the abrasion between the bottom of a limit rod 54 and the inner wall of the guide sleeve 51 is reduced by the aid of the annular wear-resistant sleeve 57 and the limit sleeve 59, the bottom of the outer wall of the limiting rod 54 is prevented from shaking, meanwhile, the annular wear-resistant sleeve 57 is supported by the aid of the supporting spring 58, so that the guiding effect of the limiting rod 54 on the push plate 5 is improved, the bottom of the guide sleeve 51 is convenient to mount by the aid of the screw II 55 and the fixing seat 56, and the guide sleeve 51 is convenient to disassemble and assemble, when the push plate 5 pushes the tablets 6 out of the upper surface of the lower die seat 2, the driving motor 4 is started, the gear II 48 is driven to rotate by the left side of the driving motor 4, the threaded rod 45 is driven to rotate under the meshing action between the gear II 48 and the gear I47, so that the threaded sleeve 46 is pushed, the guide plate 41 is pushed by the threaded sleeve 46, the tablets 6 are pushed onto the upper surface of the conveying structure 3 by the pushing head 44, and accordingly, the tablet 6 can be conveniently discharged, thereby be convenient for carry out streamlined production to the tablet, utilize slider 42's effect, lead to baffle 41, thereby be convenient for control baffle 41, utilize the effect of screw 43 simultaneously, thereby be convenient for change push head 44, thereby reach the purpose of carrying out the dismouting to push head 44, utilize the effect of rubber gasbag pad 443 and rubber abrasion pad 444, avoid pushing too big to cause the damage to tablet 6, utilize the effect of gas pocket 49, be convenient for the flow of air around the driving motor 4, thereby reach the heat that produces driving motor 4 and carry out radiating purpose.

The present invention has been described in general terms, but it will be apparent to those skilled in the art that modifications and improvements can be made based on the present invention. Therefore, it is possible to modify or improve the optical characteristics of the optical fiber without departing from the spirit of the present invention.

Claims

1. The utility model provides a tablet press mould of pharmacy, includes upper die base (1), its characterized in that: a lower die base (2) is lapped at the bottom of the upper die base (1), a conveying structure (3) is fixedly mounted on the right side of the lower die base (2), a driving motor (4) is fixedly mounted on the left side of the top of the front face of the lower die base (2), a push plate (5) is movably sleeved in the middle of the front face of the lower die base (2), and a tablet (6) is lapped at the top of the push plate (5) and at the joint between the upper die base (1) and the lower die base (2);

a second gear (48) is fixedly sleeved on the left side of a rotating shaft of the driving motor (4) and on the left side of the lower die holder (2), a first gear (47) is meshed with the top of the outer wall of the second gear (48), a threaded rod (45) is fixedly sleeved on the inner wall of the first gear (47), a threaded sleeve (46) is in threaded connection with the outer wall of the threaded rod (45), a guide plate (41) is fixedly mounted on the top of the threaded sleeve (46), a first screw (43) is in threaded connection with the right side of the guide plate (41), and a push head (44) is inserted into the right side of the outer wall of the first screw (43);

the bottom fixed mounting of push pedal (5) has ejector pin (52), the bottom fixedly connected with high elastic force position spring (53) of ejector pin (52), the edge fixed mounting of push pedal (5) bottom has gag lever post (54), guide pin bushing (51) have been cup jointed in the bottom activity of gag lever post (54) outer wall.

2. A pharmaceutical tablet press die according to claim 1, wherein: an air hole (49) is formed in the front face of the lower die holder (2) and on the left side of the driving motor (4), and the air hole (49) is cylindrical.

3. A pharmaceutical tablet press die according to claim 1, wherein: the right side of threaded rod (45) is rotated and is connected with slider (42), the top and the positive bottom sliding connection of baffle (41) of slider (42), the left side of threaded rod (45) outer wall just is located the right side of gear (47) and is rotated with the positive left side of die holder (2) and be connected.

4. A pharmaceutical tablet press die according to claim 1, wherein: the driving motor (4) comprises a reinforcing plate (442), the inner wall of the reinforcing plate (442) is connected with the outer wall of the first screw (43) in an inserting mode, and the outer wall of the reinforcing plate (422) is fixedly sleeved with a rubber sleeve (441).

5. A pharmaceutical tablet press die according to claim 4, wherein: the right side of the rubber sleeve (441) is fixedly connected with a rubber air bag cushion (443), and the right side of the rubber air bag cushion (443) is fixedly connected with a rubber wear-resistant cushion (444).

6. A matrix for a pharmaceutical tablet press according to claim 1, wherein: the bottom of the guide sleeve (51) is inserted with a fixed seat (56), and the front face of the bottom of the fixed seat (56) and positioned on the lower die holder (2) is in threaded connection with a second screw (55).

7. A pharmaceutical tablet press die according to claim 1, wherein: the bottom of the limiting rod (54) is fixedly provided with a limiting sleeve (59), and the outer wall of the limiting sleeve (59) is movably sleeved with the inner wall of the guide sleeve (51).

8. A pharmaceutical tablet press die according to claim 7, wherein: the top of stop collar (59) and the outer wall fixed mounting who is located gag lever post (54) have supporting spring (58), the top fixed mounting of supporting spring (58) has wear-resisting cover of annular (57), the outer wall of wear-resisting cover of annular (57) and the inner wall activity of guide pin bushing (51) are cup jointed, the inner wall of wear-resisting cover of annular (57) and the outer wall activity of gag lever post (54) are cup jointed.