Tablet forming and pressing machine

By designing limiting and stirring components, the problem of uneven powder distribution was solved, achieving consistent powder density and smoothness, thus improving the production quality of tablets.

CN224044661UActive Publication Date: 2026-03-27JINAN GUANGSHENGYUAN BIOTECH
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

When using existing tableting devices, the rectangular structure of the pusher frame causes uneven distribution of the drug powder, resulting in inconsistent amounts of drug powder inside the compression holes and affecting the tableting effect.

Method used

By combining limiting and stirring components, the powder is dynamically limited and sealed by its own weight through a pressure plate, and the powder is cleaned at the bottom by a rotating scraper, ensuring the consistency and smoothness of the powder density.

Benefits of technology

It effectively counteracts the effects of inertia, ensures consistent powder density, avoids fluctuations in powder filling amount, and improves tablet weight consistency and production quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224044661U_ABST
    Figure CN224044661U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of tablet presses, in particular to a tablet forming tablet press which comprises a working table, and a pressing mechanism is fixedly installed at one end of the working table. A pushing mechanism is arranged on the top surface of the workbench; the material pushing mechanism comprises a hollow column slidably mounted on the top face of the workbench, the top end and the bottom end of the hollow column are both of an open structure, the periphery of the hollow column is fixedly connected with a driving assembly arranged at the tail of the top face of the workbench, and a pushing plate in sliding contact with the top face of the workbench is fixedly mounted at the front position of the periphery of the material pushing mechanism. A limiting assembly is arranged in the hollow column, the limiting assembly comprises a pressing disc and a stirring assembly which are arranged in the hollow column, a feeding opening is formed in the pressing disc, and a cover body is arranged at the top end of the feeding opening; the powder is dynamically limited by the pressure plate, and is sealed by self weight, so that the inertia influence is effectively counteracted, the consistency of the density of the powder in the hollow column is ensured, and the fluctuation of the powder filling amount of the pressure hole is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to tablet press technical field, concretely is a tablet forming tablet press. BACKGROUND

[0002] The effectiveness and safety of veterinary drugs are the basis for the healthy development of the breeding industry. In the production process of veterinary drug preparations, the forming technology has an important influence. The traditional veterinary tablet production mainly relies on the tablet press to realize the drug forming, and its quality directly affects the efficacy, stability of the veterinary drugs and its application in the livestock industry.

[0003] In the prior art, the patent with the application number CN202420292068.0 provides a solid medicine continuous tablet pressing device, which comprises a working frame, a tablet pressing hole is arranged on the working frame, a lifting plate is connected to the working frame through a first hydraulic telescopic piece, the lower end of the lifting plate is connected to an upper mold, the lower end of the working frame is connected to a fixed seat, a second hydraulic telescopic piece is arranged on the fixed seat, the movable end of the second hydraulic telescopic piece is connected to a receiving seat, the shaft centers of the upper mold, the tablet pressing hole and the receiving seat are the same, an electric telescopic rod is connected to one side of the working frame, and the movable end of the electric telescopic rod is connected to a pushing frame for containing materials. The utility model discloses a pushing frame is used for sending the powdery material to the tablet pressing hole, and after the tablet pressing work is carried out, the material pressed and formed can be pushed out under the action of the pushing frame, and the feeding can be carried out again.

[0004] However, the above-mentioned tablet pressing device still has the following disadvantages when in use:

[0005] According to its content, the pushing frame is of a rectangular structure, and in the process of reciprocating linear motion, the internal medicine powder exists in the uneven distribution due to inertia, which may cause the inconsistent amount of medicine powder falling in the pressing hole, and affect the tablet pressing effect. Utility model content

[0006] The utility model aims at providing a tablet forming tablet press to solve the problems in the background art.

[0007] The purpose of the utility model can be realized by the following technical scheme:

[0008] A tablet forming tablet press, comprising a workbench, support plates are fixedly installed at both end positions of the bottom surface of the workbench, and a pressing mechanism is fixedly installed at one end of the workbench; a pushing and feeding mechanism is arranged on the top surface of the workbench;

[0009] The pushing and feeding mechanism comprises a hollow column slidingly installed on the top surface of the workbench, the top and bottom ends of the hollow column are of an open structure, a driving assembly is fixedly connected to the tail part of the top surface of the workbench and arranged on the periphery of the hollow column, and a push plate in sliding contact with the top surface of the workbench is fixedly installed at the front position on the periphery of the pushing and feeding mechanism;

[0010] The hollow column is provided with a limiting assembly, the limiting assembly comprises a pressing plate provided in the hollow column and an agitating assembly, the pressing plate is provided with a feeding opening, and the top end of the feeding opening is equipped with a cover.

[0011] Further, the agitating assembly comprises two vertical rods symmetrically fixedly installed on the top surface of the hollow column, the top ends of the two vertical rods are fixedly connected with a mounting plate, the middle position of the top surface of the mounting plate is fixedly installed with a motor, the shaft end of the output shaft of the motor is rotatably penetrated through the mounting plate and fixedly connected with a rotating shaft coaxial with the hollow column, and the bottom end of the rotating shaft is in sliding contact with the top surface of the workbench;

[0012] The outer periphery of the rotating shaft is fixedly connected with a plurality of scraper plates arranged in a circumferential array close to the bottom end;

[0013] The end of the scraper plate away from the rotating shaft is in sliding contact with the inner wall of the hollow column, and the bottom surface of the scraper plate is in sliding contact with the top surface of the workbench;

[0014] The outer periphery of the rotating shaft is fixedly connected with a plurality of scraper plates arranged in a circumferential array close to the bottom end;

[0015] Further, the pressing plate and the rotating shaft are in through sliding connection, the top surface of the pressing plate is rotatably connected with a threaded sleeve sleeved on the outer periphery of the rotating shaft, and the threaded sleeve is used in cooperation with the threaded column;

[0016] The outer periphery of the rotating shaft is fixedly connected with a plurality of scraper plates arranged in a circumferential array close to the bottom end;

[0017] Further, the driving assembly comprises a fixed seat fixedly installed on the top surface of the workbench, a motorized push rod fixedly installed on the side of the fixed seat away from the hollow column, and the telescopic end of the motorized push rod is fixedly connected between the outer periphery of the hollow column after sliding penetration through the fixed seat.

[0018] Further, the pressing mechanism comprises a U-shaped seat one, a pressing plate, a lower mold and a U-shaped seat two, the U-shaped seat one and the U-shaped seat two are respectively fixedly installed on the top and bottom surfaces of the workbench;

[0019] The lower mold is embedded in the workbench, the top surface of the lower mold is flush with the top surface of the workbench, and a plurality of pressing holes penetrating the lower mold are formed in the top surface of the lower mold;

[0020] The top surface of the U-shaped seat one is fixedly installed with a hydraulic cylinder one, the telescopic end of the hydraulic cylinder one is fixedly connected with the pressing plate after sliding penetration through the U-shaped seat one, and the bottom surface of the pressing plate is fixedly installed with a plurality of pressing columns used in cooperation with the plurality of pressing holes;

[0021] The bottom surface of the U-shaped seat two is fixedly installed with a hydraulic cylinder two, the telescopic end of the hydraulic cylinder two is slidably penetrated through the U-shaped seat two and is fixedly installed with a lifting plate, and the top surface of the lifting plate is fixedly installed with a plurality of top columns matched with a plurality of pressing holes.

[0022] The utility model discloses beneficial effect has:

[0023] 1, the utility model discloses a dynamic position of powder is limited to the pressing disc, combines the self -weight closed, effectively offsets inertia influence, ensure that the density of powder in the hollow column is consistent, avoid the filling amount fluctuation of the powder of pressing hole.

[0024] 2, the rotating scraper continuously cleans the bottom of the hollow column, eliminates the powder accumulation dead angle, guarantees the flow and uniformity of feeding, and significantly improves the weight consistency of the medicine piece. DRAWINGS

[0025] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, for those skilled in the art, under the premise of not creating laboriously, other drawings can also be obtained according to these drawings.

[0026] Figure 1 It is the structure schematic diagram of the utility model as a whole;

[0027] Figure 2 It is the three-dimensional schematic diagram of the utility model;

[0028] Figure 3 It is Figure 2 The three-dimensional schematic diagram of another angle;

[0029] Figure 4 It is Figure 3 The enlarged view of part A in it;

[0030] Figure 5 It is the three-dimensional schematic diagram of the push feeding mechanism in the utility model;

[0031] Among them, the following is the sign:

[0032] 1-workbench, 2-supporting plate, 3-push feeding mechanism, 4-pressing mechanism, 5-U-shaped seat one, 6-hydraulic cylinder one, 7-pressing plate, 8-pressing column, 9-lower mould, 10-pressing hole, 11-top column, 12-lifting plate, 13-U-shaped seat two, 14-hydraulic cylinder two, 15-hollow column, 16-fixing seat, 17-electric push rod, 18-pushing plate, 19-pressing disc, 20-feeding opening, 21-stand column, 22-mounting plate, 23-motor, 24-threaded column, 25-threaded sleeve, 26-handle, 27-rotating shaft, 28-scraper. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0034] Embodiment 1

[0035] Please refer to Figures 1-5 In the embodiments of the utility model, a tablet forming and pressing machine comprises a workbench 1, support plates 2 are fixedly installed at both ends of the bottom surface of the workbench 1, a pressing mechanism 4 is fixedly installed at one end of the workbench 1, and a pushing and feeding mechanism 3 is arranged on the top surface of the workbench 1.

[0036] The pushing and feeding mechanism 3 comprises a hollow column 15 slidingly installed on the top surface of the workbench 1, the top end and the bottom end of the hollow column 15 are open structures, a driving assembly is fixedly connected to the tail part of the top surface of the workbench 1 on the periphery of the hollow column 15, and a push plate 18 in sliding contact with the top surface of the workbench 1 is fixedly installed at the front position on the periphery of the pushing and feeding mechanism 3.

[0037] A limiting assembly is arranged in the hollow column 15, and the limiting assembly comprises a pressing disc 19 arranged in the hollow column 15 and an agitating assembly, a charging port 20 is arranged in the pressing disc 19, and the top end of the charging port 20 is provided with a cover body.

[0038] The agitating assembly comprises two vertical rods 21 fixedly installed on the top surface of the hollow column 15 in a symmetrical manner, an installation plate 22 is fixedly connected between the top ends of the two vertical rods 21, a motor 23 is fixedly installed at the middle position of the top surface of the installation plate 22, a rotating shaft 27 coaxial with the hollow column 15 is fixedly connected to the output shaft of the motor 23 after rotatingly penetrating through the installation plate 22, and the bottom end of the rotating shaft 27 is in sliding contact with the top surface of the workbench 1.

[0039] A plurality of scraper plates 28 distributed in a circumferential array are fixedly connected to the periphery of the rotating shaft 27 at a position close to the bottom end.

[0040] One end of the scraper plate 28 away from the rotating shaft 27 is in sliding contact with the inner wall of the hollow column 15, and the bottom surface of the scraper plate 28 is in sliding contact with the top surface of the workbench 1.

[0041] A threaded column 24 coaxial with the rotating shaft 27 is fixedly installed at a position close to the top end on the periphery of the rotating shaft 27.

[0042] The through sliding connection is between the pressing disc 19 and the rotating shaft 27, the top surface center position of the pressing disc 19 is rotationally connected with a threaded sleeve 25 sleeved on the periphery of the rotating shaft 27, and the threaded sleeve 25 is used in cooperation with the threaded column 24.

[0043] The periphery of the threaded sleeve 25 is fixedly installed with a handle 26.

[0044] The threaded sleeve 25 is rotated through the handle 26, the height of the pressing disc 19 in the hollow column 15 is adjusted and fixed, the cover of the charging port 20 is opened, the medicine powder is injected, and then the charging port 20 is closed. The pressing disc 19 limits the medicine powder under the action of the self weight, so that the uneven distribution caused by inertia is avoided; the motor 23 drives the rotating shaft 27 to drive the circumferential scraper 28 to rotate, so that the medicine powder at the bottom of the hollow column 15 is continuously stirred, the medicine powder is prevented from being accumulated or blocked, and smooth flow is ensured.

[0045] The driving assembly comprises a fixed seat 16 fixedly installed on the top surface of the workbench 1, a motorized push rod 17 fixedly installed on the side, away from the hollow column 15, of the fixed seat 16, and a fixed connection between the extension end of the motorized push rod 17 and the periphery of the hollow column 15 after the extension end of the motorized push rod 17 is slid through the fixed seat 16.

[0046] The driving assembly drives the hollow column to reciprocatingly slide on the workbench through the motorized push rod, and the push plate moves synchronously, so that the medicine powder is uniformly pushed to the lower die pressing hole of the pressing mechanism.

[0047] When the utility model is used:

[0048] The medicine powder is added into the hollow column 15, specifically, the pressing disc 19 is moved upwards, then the threaded sleeve 25 is rotated through the handle 26 to be threadedly connected with the threaded column 24, so that the height position of the pressing disc 19 is fixed, then the cover of the charging port 20 is opened, the medicine powder is added into the hollow column 15 through the charging port 20, the charging port 20 is closed after the addition is completed, then the threaded sleeve 25 is rotated to be separated from the threaded column 24, at this moment, the pressing disc 19 limits the medicine powder in the hollow column 15 under the action of the self weight of the pressing disc 19;

[0049] During the working process, the fixed seat 16 drives the hollow column 15 to reciprocatingly slide on the workbench 1, the medicine powder is added to the pressing mechanism 4, and the push plate 18 can push out the tablets.

[0050] During the process, the medicine powder in the hollow column 15 can keep the state of uniform distribution through the limitation of the pressing disc 19, so that the consistency of the medicine powder feeding can be ensured. It should be noted that the mass of the pressing disc 19 should not be too large, so as to avoid the situation that the medicine powder is compacted to cause smooth flow.

[0051] Meanwhile, the motor 23 drives the rotating shaft 27 to rotate, and the rotating shaft 27 drives the scraper 28 to stir at the bottom of the hollow column 15, which can avoid the phenomenon of jamming of the medicine powder feeding, further ensures the consistency of the medicine powder adding, and is beneficial to improve the production quality of the medicine tablets.

[0052] Therefore, the utility model discloses the dynamic position of pressure disc 19 to medicine powder, combines the self-weight closure, effectively offsets inertia influence, ensures that the medicine powder density in hollow column 15 is consistent, avoids the fluctuation of the medicine powder filling capacity of pressure hole 11. Rotating scraper 28 continuously cleans the bottom of hollow column 15, eliminates the medicine powder accumulation dead angle, guarantees the flow and uniformity of feeding, and significantly improves the weight consistency of medicine tablets.

[0053] Example 2:

[0054] Please refer to Figures 1-3 On the basis of example 1, the pressing mechanism 4 includes U-shaped seat one 5, pressing plate 7, lower mold 9 and U-shaped seat two 13, and the U-shaped seat one 5 and the U-shaped seat two 13 are fixedly installed on the top and bottom surfaces of the workbench 1 respectively.

[0055] The lower mold 9 is embedded in the workbench 1, the top surface of the lower mold 9 is flush with the top surface of the workbench 1, and the top surface of the lower mold 9 is provided with a plurality of pressure holes 10 penetrating the lower mold 9.

[0056] The top surface of the U-shaped seat one 5 is fixedly installed with a hydraulic cylinder one 6, the telescopic end of the hydraulic cylinder one 6 is fixedly connected with the pressing plate 7 after sliding through the U-shaped seat one 5, and the bottom surface of the pressing plate 7 is fixedly installed with a plurality of pressing columns 8 used in cooperation with the plurality of pressure holes 10.

[0057] The bottom surface of the U-shaped seat two 13 is fixedly installed with a hydraulic cylinder two 14, the telescopic end of the hydraulic cylinder two 14 is fixedly installed with the lifting plate 12 after sliding through the U-shaped seat two 13, and the top surface of the lifting plate 12 is fixedly installed with a plurality of top columns 11 used in cooperation with the plurality of pressure holes 10.

[0058] After the medicine powder feeding is completed, the hydraulic cylinder one 6 controls the pressing plate 7 to descend, so that the plurality of lower molds 9 enter the plurality of pressure holes 10 to cooperate with the abutting of the top columns 11 to realize the pressing of the medicine tablets, after the pressing is completed, the hydraulic cylinder one 6 drives the pressing plate 7 to reset, and then the hydraulic cylinder two 14 drives the lifting plate 12 to ascend, so that the plurality of top columns 11 eject the medicine tablets to the top surface of the workbench 1, at this time, the top surface of the top column 11 is flush with the top surface of the workbench 1, and then the movement of the pushing plate 18 can realize the purpose of ejecting the medicine tablets.

[0059] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A tablet forming and pressing machine, comprising a workbench (1), support plates (2) are fixedly installed at both ends of the bottom surface of the workbench (1), and a pressing mechanism (4) is fixedly installed at one end of the workbench (1); characterized in that, The top surface of the workbench (1) is provided with a pushing and feeding mechanism (3); The pushing and feeding mechanism (3) comprises a hollow column (15) slidingly installed on the top surface of the workbench (1), the top and bottom ends of the hollow column (15) are open structures, a driving assembly is fixedly connected to the tail part of the top surface of the workbench (1) on the periphery of the hollow column (15), and a push plate (18) in sliding contact with the top surface of the workbench (1) is fixedly installed on the periphery of the pushing and feeding mechanism (3) at the front position. A limiting assembly is arranged in the hollow column (15), the limiting assembly comprises a pressing disc (19) arranged in the hollow column (15) and an agitating assembly, the pressing disc (19) is provided with a feeding opening (20), and the top end of the feeding opening (20) is provided with a cover.

2. A tablet forming press according to claim 1, wherein The agitating assembly comprises two vertical rods (21) fixedly installed on the top surface of the hollow column (15) in a symmetrical manner, an installation plate (22) is fixedly connected between the top ends of the two vertical rods (21), a motor (23) is fixedly installed on the top surface of the installation plate (22) at the middle position, the output shaft of the motor (23) is rotatably penetrated through the installation plate (22) and then fixedly connected with a rotating shaft (27) coaxial with the hollow column (15), and the bottom end of the rotating shaft (27) is in sliding contact with the top surface of the workbench (1). A plurality of scraper plates (28) are fixedly connected to the periphery of the rotating shaft (27) at positions close to the bottom end in a circumferential array. One end of the scraper plate (28) away from the rotating shaft (27) is in sliding contact with the inner wall of the hollow column (15), and the bottom surface of the scraper plate (28) is in sliding contact with the top surface of the workbench (1). A threaded column (24) coaxial with the rotating shaft (27) is fixedly installed on the periphery of the rotating shaft (27) at a position close to the top end.

3. A tablet forming press according to claim 2, wherein The pressing disc (19) is in through sliding connection with the rotating shaft (27), a threaded sleeve (25) is rotatably connected to the top surface of the pressing disc (19) and sleeved on the periphery of the rotating shaft (27), and the threaded sleeve (25) is used in cooperation with the threaded column (24); A handle (26) is fixedly installed on the periphery of the threaded sleeve (25).

4. The tablet forming press of claim 1 wherein, The driving assembly comprises a fixed seat (16) fixedly installed on the top surface of the workbench (1), an electric push rod (17) is fixedly installed on one side of the fixed seat (16) away from the hollow column (15), and the extension end of the electric push rod (17) is fixedly connected between the periphery of the hollow column (15) after slidingly penetrating through the fixed seat (16).

5. A tablet forming press according to claim 1, wherein The pressing mechanism (4) comprises a U-shaped seat one (5), a pressing plate (7), a lower die (9) and a U-shaped seat two (13), the U-shaped seat one (5) and the U-shaped seat two (13) are respectively fixedly installed on the top and bottom surfaces of the workbench (1); The lower die (9) is embedded in the workbench (1), the top surface of the lower die (9) is flush with the top surface of the workbench (1), and a plurality of pressing holes (10) penetrating through the lower die (9) are formed in the top surface of the lower die (9); The top surface of the U-shaped seat one (5) is fixedly installed with a hydraulic cylinder one (6), the telescopic end of the hydraulic cylinder one (6) is slidably penetrated through the U-shaped seat one (5) and is fixedly connected with a pressing plate (7), and the bottom surface of the pressing plate (7) is fixedly installed with a plurality of pressing columns (8) used in cooperation with the plurality of pressing holes (10). The bottom surface of the U-shaped seat two (13) is fixedly installed with a hydraulic cylinder two (14), the telescopic end of the hydraulic cylinder two (14) is fixedly installed with a lifting plate (12) after being slidably penetrated through the U-shaped seat two (13), and the top surface of the lifting plate (12) is fixedly installed with a plurality of top columns (11) used in cooperation with the plurality of pressing holes (10).

Citation Information

Patent Citations

  • Continuous solid medicine tabletting device

    CN221851278U