Tablet press

Abstract

The tablet press comprises a machine body, and a main motor, an auxiliary motor, a discharging hopper, a distributing device, a main pressing roller, an auxiliary pressing roller, an adjusting mechanism, a material scraping plate, a material collecting box and a recycling box are arranged on the top and inside the machine body from top to bottom. The distributing device is arranged to uniformly distribute the powder coating in the discharging hopper on the middle gap between the main compression roller and the auxiliary compression roller, so that the thickness homogenization of the pressed sheet is facilitated, and the quality of the pressed sheet is improved; the adjusting mechanism is arranged to adjust the gap between the main pressing roller and the auxiliary pressing roller, so that the thickness of the pressing sheet is adjusted; and a scraping plate is arranged to scrape off powder coating on the main compression roller and the auxiliary compression roller, so that a cleaning effect is achieved, the subsequent tabletting process is facilitated, and the tabletting quality is improved. According to the utility model, the problem of distribution uniformity of powder coating on the compression rollers is solved, the adjustability of the thickness of a pressed sheet is realized, and the main compression roller and the auxiliary compression roller are cleaned at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of powder coating processing, in particular to a tablet press. Background Art

[0002] Powder coatings are synthetic resin coatings in solid powder form, composed of solid resins, pigments, fillers, and additives. Powder coatings are completely different from conventional coatings, existing in a fine powder state. Unlike conventional solvent-based and water-based coatings, their dispersion medium is air, not solvent and water. This lack of solvents earns them the name powder coating. Powder coatings are solvent-free, have 100% film-forming properties, offer low energy consumption, are highly efficient, conserve resources, and are environmentally friendly.

[0003] For example, a Chinese invention patent application with publication number CN221417220U and publication date July 26, 2024, discloses a powder coating tablet press, comprising a mounting base, two mounting uprights fixedly mounted on the top of the mounting base, two transmission rollers rotatably mounted between the two mounting uprights, and a transmission belt wound around the surfaces of the two transmission rollers. The powder coating tablet press has a belt cleaning assembly disposed between the two mounting uprights, wherein a belt scraper contacts the bottom of the transmission belt. As the transmission belt rotates, the belt scraper scrapes the coating adhered to the surface of the transmission belt into a collection bottom box. When the collection bottom box is full, the collection bottom box is pulled out by a handle and the coating therein is processed. This solves the problem that coatings are easily adhered to the pressure roller and the conveyor belt. A scraper is disposed next to the pressure roller to clean the pressure roller, but coatings adhered to the surface of the conveyor belt are usually not cleaned, resulting in the coatings falling everywhere after cooling.

[0004] It can be seen from the above patents that the tablet press cleans the coating on the pressing roller and the conveyor belt, but the uniformity of the distribution of the powder coating on the pressing roller affects the quality of the tablets, and the thickness of the tablets needs to be adjusted during the production process, so the tablet press needs to be redesigned. Summary of the Invention

[0005] The purpose of the utility model is to provide a tablet press in order to solve the deficiencies of the prior art.

[0006] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions:

[0007] A tablet press comprises a machine body, wherein the top and interior of the machine body are provided with a main motor, an auxiliary motor, a lower hopper, a distributor, a main pressure roller, a slave pressure roller, an adjustment mechanism, a scraper, a material receiving box and a recovery box from top to bottom; the distributor is connected to the bottom of the lower hopper arranged at the top center of the machine body, and the adjustment mechanism is arranged on the horizontal mounting bracket of the slave pressure roller.

[0008] Preferably, the main pressure roller and the slave pressure roller are connected to the transmission shafts of the main motor and the slave motor respectively through belts.

[0009] Preferably, the scraper plate is arranged on the side arc above the horizontal mounting bracket of the main pressure roller and the slave pressure roller; the recovery box corresponds to the bottom of the scraper plate.

[0010] Preferably, the outlet of the distributor and the material receiving box correspond to the gap between the main pressure roller and the slave pressure roller.

[0011] Preferably, the main pressure roller rotates in a clockwise direction, and the slave pressure roller rotates in a counterclockwise direction.

[0012] Preferably, the main motor and auxiliary motor, lower hopper, distributor, main pressure roller and slave pressure roller, scraper, material receiving box and recovery box are all symmetrically arranged with the central axis of the machine body as the center of the circle.

[0013] The beneficial effects of the utility model are:

[0014] A distributor is set to evenly distribute the powder coating in the lower hopper to the gap between the main pressure roller and the slave pressure roller, which is beneficial to the uniformity of the thickness of the tablet and improve the quality of the tablet; an adjustment mechanism is set to adjust the gap between the main pressure roller and the slave pressure roller, and then adjust the thickness of the tablet; a scraper is set to scrape off the powder coating on the main pressure roller and the slave pressure roller, which plays a cleaning role, facilitates the subsequent tableting process and improves the quality of the tablet. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are merely exemplary, and those skilled in the art can, without inventive effort, derive other implementation drawings based on the provided drawings.

[0016] The structures, proportions, sizes, etc. illustrated in this specification are intended solely to complement the contents disclosed herein and to facilitate understanding and reading by persons skilled in the art. They are not intended to limit the conditions under which the present invention may be implemented and therefore have no substantive technical significance. Any structural modifications, changes in proportions, or adjustments in sizes, without affecting the efficacy and objectives of the present invention, shall remain within the scope of the technical contents disclosed herein.

[0017] Figure 1 This is a structural schematic diagram of a tablet press proposed by the utility model;

[0018] Figure 1Shown in: 1. Machine body, 2. Main motor, 3. Auxiliary motor, 4. Lower hopper, 5. Distributor, 6. Main pressure roller, 7. Slave pressure roller, 8. Adjustment mechanism, 9. Scraper, 10. Material collecting box, 11. Recovery box. DETAILED DESCRIPTION

[0019] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0021] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other.

[0022] It should be noted that similar reference numerals and letters tend to denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0023] In the description of the present utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "front," "back," "vertical," "horizontal," "inner," "outer," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is typically placed when in use, or are directions or positional relationships commonly understood by those skilled in the art. These terms are intended only to facilitate the description of the present utility model and to simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operate in a specific direction. Therefore, they should not be understood as limiting the present utility model. In addition, the terms "first," "second," etc., etc., are used only to distinguish descriptions and should not be understood as indicating or implying relative importance.

[0024] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0025] Reference Figure 1 The utility model discloses a tablet press, including a machine body 1. A main motor 2, an auxiliary motor 3, a lower hopper 4, a distributor 5, a main pressure roller 6, a slave pressure roller 7, an adjusting mechanism 8, a scraper plate 9, a material receiving box 10 and a recovery box 11 are arranged on the top and inside of the machine body 1 from top to bottom.

[0026] The machine body 1 is a cylindrical base. The transmission shafts of the main motor 2 and the auxiliary motor 3 are connected by belts and respectively drive the main pressure roller 6 and the slave pressure roller 7 to rotate. The lower hopper 4 set at the top center of the machine body 1 is used to transport powder coating into the machine body 1. The distributor 5 connected to the bottom of the lower hopper 4 is set above the gap between the main pressure roller 6 and the slave pressure roller 7, and is used to evenly distribute the powder coating in the lower hopper 4 to the gap between the main pressure roller 6 and the slave pressure roller 7, which is beneficial to uniformizing the thickness of the tablet and improving the quality of the tablet; the adjustment mechanism 8 is set at the slave pressure roller The horizontal mounting bracket of roller 7 is used to adjust the gap between the main pressing roller and the slave pressing roller, and thus adjust the thickness of the tablet; a scraper plate 9 is provided on the side arc of the main pressing roller 6 and the slave pressing roller 7, which is used to scrape off the powder coating on the main pressing roller and the slave pressing roller, which plays a cleaning role, facilitates the subsequent tableting process and improves the quality of tableting; a collecting box 10 is provided just below the gap between the main pressing roller 6 and the slave pressing roller 7 for collecting tablets, and a recovery box 11 is provided just below the scraper plate 9 for recovering the scraped powder coating, which can be added to the lower hopper 4 for tableting again.

[0027] In an optional embodiment, the main pressure roller 6 rotates clockwise and the slave pressure roller 7 rotates counterclockwise, jointly pushing the powder coating falling from the distributor 5 to move toward the middle gap, squeezing, venting and compacting the powder coating into sheets, and then falling into the recovery box 10 from below the middle gap.

[0028] In an optional embodiment, the main motor 2 and the auxiliary motor 3, the lower hopper 4, the distributor 5, the main pressure roller 6 and the slave pressure roller 7, the scraper 9, the material receiving box 10, and the recovery box 11 are all symmetrically arranged with the central axis of the body 1 as the center of the circle to ensure the symmetry and balance of the structure.

[0029] Of course, the embodiments of this specific implementation method are all preferred embodiments of the present utility model, and are not intended to limit the scope of protection of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the scope of protection of the present utility model.

Claims

1. A tablet press, comprising a machine body (1), wherein the top and interior of the machine body (1) are provided with a main motor (2), an auxiliary motor (3), a lower hopper (4), a distributor (5), a main pressing roller (6), a slave pressing roller (7), an adjustment mechanism (8), a scraper (9), a material receiving box (10) and a recovery box (11) from top to bottom; characterized in that: The distributor (5) is connected to the bottom of a lower hopper (4) arranged at the top center of the machine body (1), and the adjustment mechanism (8) is arranged on a horizontal mounting bracket of the slave pressure roller (7).

2. A tablet press according to claim 1, characterized in that: The main pressure roller (6) and the secondary pressure roller (7) are respectively connected to the transmission shafts of the main motor (2) and the secondary motor (3) via belts.

3. A tablet press according to claim 1, characterized in that: The scraper plate (9) is arranged on the side arc above the horizontal mounting bracket of the main pressure roller (6) and the slave pressure roller (7); the recovery box (11) corresponds to the bottom of the scraper plate (9).

4. A tablet press according to claim 1, characterized in that: The outlet of the distributor (5) and the material receiving box (10) correspond to the intermediate gap between the main pressing roller (6) and the secondary pressing roller (7).

5. A tablet press according to claim 1, characterized in that: The main pressure roller (6) rotates in a clockwise direction, and the secondary pressure roller (7) rotates in a counterclockwise direction.

6. A tablet press according to claim 1, characterized in that: The main motor (2) and the auxiliary motor (3), the lower hopper (4), the distributor (5), the main pressure roller (6) and the secondary pressure roller (7), the scraper (9), the material receiving box (10), and the recovery box (11) are all symmetrically arranged with the central axis of the machine body (1) as the center of the circle.

Images