High-speed rotary tablet press

Abstract

The utility model relates to the technical field of tablet presses, and discloses a high-speed rotary tablet press, which comprises a base body, the pressing structure is arranged on the base body, and the pressing structure is used for pressing tablets; the discharging structure is arranged on the base body, the discharging structure is movably connected with the pressing structure, and the discharging structure is used for discharging the tablets subjected to extrusion forming; the discharging cavity is formed in the base body, the discharging cavity is used for discharging tablets formed through extrusion, a rotating shaft is fixedly installed at the top end of the base body, the outer surface of the rotating shaft is rotationally connected with the pressing structure, an annular fixing groove is formed in the top end of the base body, and the pressing structure is arranged in the annular fixing groove. The bottom wall of an inner cavity of the annular fixing groove is fixedly connected with the discharging structure. An annular groove is formed in the top end of the base body. By means of the tablet discharging device, tablets formed through extrusion can be conveniently discharged, and manual picking is not needed.

Description

Technical Field

[0001] The utility model relates to the technical field of tablet presses, in particular to a high-speed rotary tablet press. Background Art

[0002] A high-speed rotary tablet press is a mechanical device used in industries such as pharmaceuticals, chemicals, and food, and is used to make powdery or granular materials into tablets, blocks, or spherical products.

[0003] The patent with the publication number CN217197128U discloses a high-speed rotary tablet press for pharmaceutical use. In the embodiment, a first motor drives a telescopic rod to expand and contract in a contraction cylinder. At this time, a pressing plate installed at the bottom of a cross plate can be driven to extrude and form tablets. At the same time, tablet raw materials can be put into a forming groove from inside a storage box through a feeding pipe for extrusion. However, the inventor found that after the tablets are extruded and formed by this tablet press, it is necessary to manually pick up the tablets from the forming groove before the next tablet extrusion can be carried out, resulting in inconvenient unloading. Therefore, we propose a high-speed rotary tablet press. Summary of the Utility Model

[0004] (I) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the utility model provides a high-speed rotary tablet press, which has the advantages of being convenient for unloading the extruded and formed tablets and eliminating the need for manual picking, and solves the problem of inconvenient unloading after the tablets are extruded and formed by the tablet press.

[0006] (II) Technical Solutions

[0007] To achieve the purpose of being convenient for unloading the extruded and formed tablets and eliminating the need for manual picking, the utility model provides the following technical solutions: A high-speed rotary tablet press, comprising: a base;

[0008] A pressing structure, which is arranged on the base and is used for pressing tablets;

[0009] A unloading structure, which is arranged on the base and is movably connected to the pressing structure, and is used for unloading the extruded and formed tablets;

[0010] A feeding cavity, which is arranged inside the base and is used for feeding the extruded and formed tablets.

[0011] As a preferred technical solution of the utility model, a rotating shaft is fixedly installed at the top end of the base, and the outer surface of the rotating shaft is rotationally connected to the pressing structure to facilitate the installation of the pressing structure.

[0012] As a preferred technical solution of the present utility model, an annular fixing groove is provided inside the top end of the base body, and a fixed connection is provided between the bottom wall of the inner cavity of the annular fixing groove and the discharging structure;

[0013] An annular groove is provided inside the top end of the base body, and a movable connection is provided between the inner cavity of the annular groove and the discharging structure. The cross sections of the annular fixing groove and the annular groove are concentric circles to facilitate the installation of the discharging structure.

[0014] As a preferred technical solution of the present utility model, the pressing structure includes an inverted L-shaped frame, which is fixedly connected to the top end of the base body. A hydraulic cylinder is fixedly installed at the top end of the inverted L-shaped frame. The telescopic rod on the hydraulic cylinder penetrates through the inside of the inverted L-shaped frame, and a pressing plate is fixedly installed at one end of the extended part;

[0015] A plurality of convex columns are fixedly installed on the side of the pressing plate away from the hydraulic cylinder, and the plurality of convex columns are arranged in a circumferential array to facilitate the extrusion of the powder into tablets.

[0016] As a preferred technical solution of the present utility model, the pressing structure further includes a pharmaceutical plate. A rotating hole is provided inside the top end of the pharmaceutical plate, and a rotational connection is provided between the inner cavity of the rotating hole and the rotating shaft;

[0017] A plurality of forming grooves are provided inside the top end of the pharmaceutical plate, and the plurality of forming grooves are arranged in a circumferential array. The forming grooves are movably clamped with the convex columns, and a movable connection is provided between the inner cavity of the forming grooves and the discharging structure;

[0018] A plurality of limiting arc-shaped plates are fixedly installed at the bottom end of the pharmaceutical plate, and the plurality of limiting arc-shaped plates are arranged in a circumferential array. The limiting arc-shaped plates are slidably connected to the inner cavity of the annular groove to facilitate the injection of powder into the forming grooves while rotating the pharmaceutical plate.

[0019] As a preferred technical solution of the present utility model, the discharging structure includes an electric push rod. The bottom end of the electric push rod is fixedly connected to the bottom wall of the inner cavity of the annular fixing groove. The top end of the electric push rod is fixedly installed with an annular ring plate. The annular ring plate is movably connected to the inner cavity of the annular fixing groove. A plurality of lifting columns are fixedly installed on the annular ring plate, and the plurality of lifting columns are arranged in a circumferential array. The lifting columns are movably clamped with the inner cavity of the forming grooves to facilitate the discharging of the extruded tablets without manual picking.

[0020] As a preferred technical solution of the present utility model, the discharging structure further includes a micro stepping motor, which is fixedly connected to the base body. An output shaft of the micro stepping motor is fixedly sleeved with a blanking plate, and the blanking plate is movably connected to the pharmaceutical plate, so as to rotate and scrape the pressed tablets into the blanking cavity.

[0021] As a preferred technical solution of the present utility model, the blanking cavity is composed of an inverted right trapezoidal cavity opened inside the top end of the base body and a discharge cavity opened inside the outer surface of the base body, so as to facilitate blanking.

[0022] (III) Beneficial effects

[0023] Compared with the prior art, the present utility model provides a high-speed rotary tablet press, which has the following beneficial effects:

[0024] 1. For this high-speed rotary tablet press, by starting the electric push rod, at this time the electric push rod drives the annular ring plate to move inside the annular fixed groove cavity, and the annular ring plate drives the lifting column to lift inside the forming groove cavity until the extruded and formed tablets are lifted out of the forming groove, and the extruded and formed tablets are located on the top of the pharmaceutical plate. Then start the micro stepping motor. At this time, the output shaft of the micro stepping motor drives the blanking plate to rotate until the extruded and formed tablets on the pharmaceutical plate are rotated and scraped into the blanking cavity, and then the blanking cavity is used for blanking, so as to facilitate the discharging of the extruded and formed tablets and eliminate the need for manual picking.

[0025] 2. For this high-speed rotary tablet press, while rotating the pharmaceutical plate, the medicinal powder is injected into the forming groove. At this time, the lifting column is located in the forming groove, and the limiting arc-shaped plate rotates inside the annular groove. Then start the hydraulic cylinder. At this time, the telescopic rod of the hydraulic cylinder drives the tablet pressing plate to move towards the direction close to the pharmaceutical plate until the convex column on the tablet pressing plate enters the forming groove cavity to extrude the medicinal powder into tablets, and then use the hydraulic cylinder to reset the tablet pressing plate, so as to facilitate the extrusion of the medicinal powder into tablets. Description of the drawings

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

[0027] Figure 2 It is a schematic diagram of the base body in the overall structure of the present utility model;

[0028] Figure 3 It is a schematic diagram of the pressing structure in the overall structure of the present utility model;

[0029] Figure 4 It is a schematic diagram of the discharging structure in the overall structure of the present utility model.

[0030] In the figure: 1. Substrate; 11. Rotating shaft; 12. Annular fixed groove; 13. Annular groove; 2. Pressing structure; 21. Inverted L-shaped frame; 22. Hydraulic cylinder; 23. Tablet pressing plate; 231. Convex column; 24. Pharmaceutical plate; 241. Rotating hole; 242. Forming groove; 243. Limiting arc plate; 3. Unloading structure; 31. Electric push rod; 32. Annular ring plate; 33. Lifting column; 34. Micro stepping motor; 35. Feeding plate; 4. Feeding cavity; 41. Inverted right trapezoidal cavity; 42. Discharge cavity. Specific implementation manners

[0031] In order to make the above objects, features and advantages of the present utility model more obvious and understandable, the specific implementation manners of the present utility model will be described in detail below with reference to the accompanying drawings of the specification.

[0032] Refer to Figures 1-4 , a high-speed rotary tablet press is provided, including: a substrate 1;

[0033] A pressing structure 2 is provided on the substrate 1, and the pressing structure 2 is used for pressing tablets;

[0034] A discharging structure 3 is provided on the substrate 1 and is movably connected to the pressing structure 2, and the discharging structure 3 is used for discharging the formed tablets;

[0035] A feeding cavity 4 is provided inside the substrate 1, and the feeding cavity 4 is used for feeding the formed tablets.

[0036] A rotating shaft 11 is fixedly installed at the top end of the substrate 1, and the outer surface of the rotating shaft 11 is rotatably connected to the pressing structure 2.

[0037] An annular fixed groove 12 is opened inside the top end of the substrate 1, and the inner cavity bottom wall of the annular fixed groove 12 is fixedly connected to the discharging structure 3;

[0038] An annular groove 13 is opened inside the top end of the substrate 1, and the inner cavity of the annular groove 13 is movably connected to the discharging structure 3. The cross-sections of the annular fixed groove 12 and the annular groove 13 are concentric circles.

[0039] The pressing structure 2 includes an inverted L-shaped frame 21, the inverted L-shaped frame 21 is fixedly connected to the top end of the substrate 1, a hydraulic cylinder 22 is fixedly installed at the top end of the inverted L-shaped frame 21, the telescopic rod on the hydraulic cylinder 22 penetrates through the inside of the inverted L-shaped frame 21, and one end of the extended part is fixedly installed with a tablet pressing plate 23;

[0040] A plurality of convex columns 231 are fixedly installed on the side of the tablet pressing plate 23 away from the hydraulic cylinder 22, and the plurality of convex columns 231 are arranged in a circumferential array.

[0041] The pressing structure 2 further includes a pharmaceutical plate 24. A rotating hole 241 is formed inside the top end of the pharmaceutical plate 24, and the inner cavity of the rotating hole 241 is rotatably connected to the rotating shaft 11;

[0042] A plurality of forming grooves 242 are formed inside the top end of the pharmaceutical plate 24. The plurality of forming grooves 242 are arranged in a circumferential array. The forming grooves 242 are movably clamped with the convex columns 231, and the inner cavity of the forming grooves 242 is movably connected to the discharging structure 3;

[0043] A plurality of limiting arc-shaped plates 243 are fixedly installed at the bottom end of the pharmaceutical plate 24. The plurality of limiting arc-shaped plates 243 are arranged in a circumferential array. The limiting arc-shaped plates 243 are slidably connected to the inner cavity of the annular groove 13.

[0044] The discharging structure 3 includes an electric push rod 31. The bottom end of the electric push rod 31 is fixedly connected to the bottom wall of the inner cavity of the annular fixed groove 12. The top end of the electric push rod 31 is fixedly installed with an annular ring plate 32. The annular ring plate 32 is movably connected to the inner cavity of the annular fixed groove 12. A plurality of jacking columns 33 are fixedly installed on the annular ring plate 32. The plurality of jacking columns 33 are arranged in a circumferential array. The jacking columns 33 are movably clamped with the inner cavity of the forming grooves 242.

[0045] The discharging structure 3 further includes a micro stepping motor 34. The micro stepping motor 34 is fixedly connected to the base body 1. The output shaft of the micro stepping motor 34 is fixedly sleeved with a blanking plate 35. The blanking plate 35 is movably connected to the pharmaceutical plate 24.

[0046] The blanking cavity 4 is composed of an inverted right trapezoidal cavity 41 formed inside the top end of the base body 1 and a discharging cavity 42 formed inside the outer surface of the base body 1.

[0047] During actual use, while rotating the pharmaceutical plate 24, the medicinal powder is injected into the forming grooves 242. At this time, the jacking columns 33 are located in the forming grooves 242, and the limiting arc-shaped plates 243 rotate in the inner cavity of the annular groove 13. Then, the hydraulic cylinder 22 fixed on the inverted L-shaped frame 21 is started. At this time, the telescopic rod on the hydraulic cylinder 22 drives the pressing plate 23 to move towards the direction close to the pharmaceutical plate 24 until the convex columns 231 on the pressing plate 23 enter the inner cavity of the forming grooves 242 to extrude the medicinal powder into tablets. Then, the hydraulic cylinder 22 is used to reset the pressing plate 23, so as to facilitate extruding the medicinal powder into tablets;

[0048] When discharging is required, the electric push rod 31 fixed on the bottom wall of the inner cavity of the annular fixed groove 12 is started. At this time, the electric push rod 31 drives the annular ring plate 32 to move in the inner cavity of the annular fixed groove 12. The annular ring plate 32 drives the jacking column 33 to jack up in the inner cavity of the forming groove 242 until the extruded and formed tablets are jacked out of the forming groove 242 and the extruded and formed tablets are at the top of the pharmaceutical plate 24. Then, the micro stepping motor 34 fixed on the base body 1 is started. At this time, the output shaft on the micro stepping motor 34 drives the blanking plate 35 fixed on the output shaft to rotate until the extruded and formed tablets on the pharmaceutical plate 24 are rotated and scraped into the blanking cavity 4, and then the blanking is carried out by the blanking cavity 4, so as to facilitate the discharging of the extruded and formed tablets and eliminate the need for manual picking. This device not only facilitates the discharging of the extruded and formed tablets but also eliminates the need for manual picking.

[0049] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A high-speed rotary tablet press, characterized in that: include: Matrix (1); A pressing structure (2), the pressing structure (2) being arranged on the base (1), and the pressing structure (2) being used for pressing tablets; a discharge structure (3), the discharge structure (3) being arranged on the base (1) and being movably connected to the pressing structure (2), the discharge structure (3) being used for discharging extruded tablets; A feeding cavity (4), the feeding cavity (4) being arranged in the base body (1), and the feeding cavity (4) being used for feeding extruded tablets.

2. A high-speed rotary tablet press according to claim 1, characterized in that: A rotating shaft (11) is fixedly mounted on the top end of the base body (1), and an outer surface of the rotating shaft (11) is rotatably connected to the pressing structure (2).

3. A high-speed rotary tablet press according to claim 2, characterized in that: An annular fixing groove (12) is provided inside the top end of the base body (1), and the inner cavity bottom wall of the annular fixing groove (12) is fixedly connected to the discharge structure (3); An annular groove (13) is provided inside the top end of the base body (1), the inner cavity of the annular groove (13) is movably connected to the discharge structure (3), and the cross-sections of the annular fixing groove (12) and the annular groove (13) are concentric circles.

4. A high-speed rotary tablet press according to claim 3, characterized in that: The pressing structure (2) comprises an inverted L-shaped frame (21), the inverted L-shaped frame (21) being fixedly connected to the top of the base (1), a hydraulic cylinder (22) being fixedly mounted on the top of the inverted L-shaped frame (21), a telescopic rod on the hydraulic cylinder (22) passing through the interior of the inverted L-shaped frame (21), and a tablet pressing plate (23) being fixedly mounted on one end of the extended portion; A plurality of bosses (231) are fixedly mounted on one side of the pressing plate (23) away from the hydraulic cylinder (22), and the plurality of bosses (231) are arranged in a circular array.

5. A high-speed rotary tablet press according to claim 4, characterized in that: The pressing structure (2) further comprises a pharmaceutical plate (24), a top end of the pharmaceutical plate (24) being provided with a rotation hole (241), and an inner cavity of the rotation hole (241) being rotationally connected to the rotating shaft (11); A plurality of molding grooves (242) are provided inside the top end of the pharmaceutical plate (24), the plurality of molding grooves (242) are arranged in a circular array, the molding grooves (242) are movably engaged with the convex pillars (231), and the inner cavity of the molding grooves (242) is movably connected with the discharge structure (3); A plurality of limiting arc plates (243) are fixedly mounted on the bottom end of the pharmaceutical plate (24), the plurality of limiting arc plates (243) are arranged in a circular array, and the limiting arc plates (243) are slidably connected to the inner cavity of the annular groove (13).

6. A high-speed rotary tablet press according to claim 5, characterized in that: The unloading structure (3) comprises an electric push rod (31), the bottom end of the electric push rod (31) is fixedly connected to the bottom wall of the inner cavity of the annular fixing groove (12), an annular ring plate (32) is fixedly installed on the top end of the electric push rod (31), the annular ring plate (32) is movably connected to the inner cavity of the annular fixing groove (12), a plurality of lifting columns (33) are fixedly installed on the annular ring plate (32), the plurality of lifting columns (33) are arranged in a circular array, and the lifting columns (33) are movably engaged with the inner cavity of the forming groove (242).

7. A high-speed rotary tablet press according to claim 6, characterized in that: The unloading structure (3) further comprises a micro-stepping motor (34), wherein the micro-stepping motor (34) is fixedly connected to the base body (1), and an output shaft on the micro-stepping motor (34) is fixedly sleeved with a discharge plate (35), and the discharge plate (35) is movably connected to the pharmaceutical plate (24).

8. A high-speed rotary tablet press according to claim 1, characterized in that: The material discharge cavity (4) is composed of an inverted right-angled trapezoidal cavity (41) opened inside the top end of the base body (1) and a material discharge cavity (42) opened inside the outer surface of the base body (1).

Images