Medical tablet hardness tester

Abstract

The utility model relates to the technical field of medical tablets, and discloses a medical tablet hardness tester which comprises an installation box, a placement groove is formed in the side portion of the installation box, a placement disc is arranged in the placement groove, a clamping assembly is arranged on the side portion of the placement disc, an extrusion assembly is arranged in the installation box, and the extrusion assembly and the clamping assembly are used in cooperation. Through arrangement of a pressing disc, tablets are placed in a placement disc, a servo motor is started, the servo motor drives a driving gear to rotate, the driving gear is in meshing transmission with teeth, a sliding block at the bottom of a sliding plate slides in a sliding groove, the pressing disc at the end of a transverse rod is driven to extrude the tablets, and the hardness of the tablets is detected; the servo motor can accurately control the pressure and the speed of the pressing disc, and the consistency of the pressure detected each time is ensured. The method is particularly important for hardness detection because the detection result may be influenced by tiny pressure change.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical tablet technical field, concretely is a kind of medical tablet hardness tester. BACKGROUND

[0002] Medical tablet is a common drug dosage form, usually refers to the active ingredient of drug and various auxiliary materials are mixed, and through tablet press press into solid tablet-shaped preparation. The shape, size and color of tablet can be different according to the nature and use of drug, but they are usually circular or oval, easy to swallow. The production process of tablet includes the following main steps: firstly, the screening and formula design of active ingredient of drug, then the mixing and granulation of raw material, then drying and whole granule, finally, the mixture is pressed into tablet by tablet press. In the production process, quality control is also needed for tablet, to ensure that the content, hardness, disintegration time and other indicators of each piece of drug meet the standard. The advantages of tablet include accurate dosage, convenient to carry and take, good stability, etc. They can be taken orally, or through other routes of administration, such as sublingual, chew or disperse in water for drinking. In addition, tablet can also be improved by coating technology to improve the taste of medicine, cover up the bad smell or delay the release speed of medicine. However, tablet also has its limitations, for example, for some patients, especially children, the elderly or patients with difficulty in swallowing, tablet may not be easy to take. In addition, due to the physical and chemical properties of some drugs, they may not be suitable for tablet. Therefore, in the selection of drug dosage form, the nature of the drug, the specific circumstances of the patient and the purpose of medication should be considered comprehensively.

[0003] At present, in the production process, if tablet is too hard or too soft, it is easy to produce dust in the process of packaging and transportation, leading to cross contamination; Therefore, it does not meet the existing demand, for this, we put forward a kind of medical tablet hardness tester. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of medical tablet hardness tester, with the beneficial effect of avoiding tablet if too hard or too soft cross infection, solve the problem that tablet is too hard or too soft in the production process mentioned in above background art, easy to produce dust in the process of packaging and transportation, leading to cross contamination.

[0005] The utility model provides following technical scheme: a kind of medical tablet hardness tester, including installation box, installation box side is equipped with placing groove, placing groove is internally provided with placing disc, placing disc side is equipped with clamping assembly, installation box is internally provided with extrusion assembly, extrusion assembly is used in cooperation with clamping assembly.

[0006] As a kind of medical tablet hardness tester described in the utility model optional scheme, wherein: installation box is internally equipped with installation groove, and extrusion assembly is arranged in the interior of installation groove.

[0007] As a kind of medical tablet hardness tester optional scheme of the utility model, wherein: extrusion component includes sliding plate and tooth, sliding plate is slidably arranged in the inner wall of mounting groove, tooth is provided with several, several teeth are connected in the side portion of sliding plate.

[0008] As a kind of medical tablet hardness tester optional scheme of the utility model, wherein: mounting groove inner wall is provided with sliding slot, sliding plate bottom is connected with sliding block, sliding block and sliding slot slidingly engage, sliding plate side portion is connected with cross bar, and the side portion of mounting box is provided with moving groove, and cross bar and moving groove slidingly engage, and cross bar end portion is connected with pressing disc, and pressing disc is used in cooperation with placing disc.

[0009] As a kind of medical tablet hardness tester optional scheme of the utility model, wherein: servo motor is installed in the side portion of mounting box, and the side portion of mounting box is inserted into the output shaft of servo motor, and driving gear is arranged in the inside of mounting groove.

[0010] As a kind of medical tablet hardness tester optional scheme of the utility model, wherein: driving gear and tooth mesh transmission, and the middle portion of driving gear is connected with the output shaft of servo motor by key.

[0011] As a kind of medical tablet hardness tester optional scheme of the utility model, wherein: the inside of placing disc is provided with notch, clamping component includes clamping ring and telescopic column, clamping ring is provided with several, telescopic column is connected between clamping ring and notch, spring is sleeved on the outside of telescopic column.

[0012] As a kind of medical tablet hardness tester optional scheme of the utility model, wherein: telescopic column includes fixed cylinder and sliding column, fixed cylinder is connected to the inner wall of notch, sliding column is connected to the side portion of clamping ring, sliding column is slidably connected to the inner wall of fixed cylinder, and piston disc is connected to the bottom of sliding column, and piston disc is slidably connected to the inner wall of fixed cylinder.

[0013] The utility model has the following beneficial effects:

[0014] 1、the medical tablet hardness tester, by the setting of pressing disc, tablet is placed in the inside of placing disc, servo motor is started, servo motor drives driving gear to rotate, driving gear and tooth mesh transmission, the sliding block in the bottom of sliding plate slides in the inside of sliding slot, and the pressing disc of cross bar end portion is extruded to tablet, and the hardness thereof is detected, the pressure and speed of pressing disc can be accurately controlled by servo motor, to ensure the consistency of pressure for each detection. It is especially important for hardness detection to avoid cross infection if tablet is too hard or too soft, solve the problem that tablet is too hard or too soft in production process, and easily produce dust in packaging and transportation process, leading to cross contamination.

[0015] 2. This pharmaceutical tablet hardness tester, through the setting of the clamping component, the clamping ring cooperates with the telescopic column, the tablet is placed inside the clamping ring, the clamping ring squeezes the telescopic column, the piston plate at the bottom of the sliding column slides inside the fixed cylinder, the clamping ring applies uniform pressure to the tablet by squeezing the telescopic column, and stably clamps the tablet. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0017] Figure 2 This is a cross-sectional structural diagram of the present invention.

[0018] Figure 3 This is a schematic diagram of the clamping component structure of this utility model.

[0019] Figure 4 This is a schematic diagram of the telescopic column structure of this utility model.

[0020] In the diagram: 110, mounting box; 111, mounting slot; 112, slide rail; 113, servo motor; 114, drive gear; 120, placement slot; 130, placement plate; 131, slot opening; 140, clamping assembly; 141, clamping ring; 142, telescopic column; 143, fixed cylinder; 144, sliding column; 145, spring; 150, pressing assembly; 151, sliding plate; 152, teeth; 153, slider; 154, piston plate; 200, crossbar; 300, moving slot; 400, pressing plate. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1: This example aims to address the problem that tablets that are too hard or too soft during production can easily generate dust during packaging and transportation, leading to cross-contamination. Please refer to [link to example]. Figures 1-4 A pharmaceutical tablet hardness tester includes a mounting box 110, a placement groove 120 on the side of the mounting box 110, a placement tray 130 inside the placement groove 120, a clamping assembly 140 on the side of the placement tray 130, and a compression assembly 150 inside the mounting box 110. The compression assembly 150 and the clamping assembly 140 are used in conjunction.

[0023] The installation box 110 is internally provided with an installation groove 111, and the extrusion assembly 150 is arranged inside the installation groove 111. The extrusion assembly 150 comprises a sliding plate 151 and a plurality of teeth 152. The sliding plate 151 is slidingly arranged on the inner wall of the installation groove 111, and the plurality of teeth 152 are connected to the side of the sliding plate 151.

[0024] The inner wall of the installation groove 111 is provided with a sliding groove 112, the bottom of the sliding plate 151 is connected with a sliding block 153, the sliding block 153 is slidingly engaged with the sliding groove 112, the side of the sliding plate 151 is connected with a horizontal rod 200, the side of the installation box 110 is provided with a moving groove 300, the horizontal rod 200 is slidingly engaged with the moving groove 300, the end of the horizontal rod 200 is connected with a pressing disc 400, the pressing disc 400 is used in cooperation with the placing disc 130, the side of the installation box 110 is provided with a servo motor 113, the output shaft of the servo motor 113 penetrates through the side of the installation box 110, the inside of the installation groove 111 is provided with a driving gear 114, the driving gear 114 is in meshing transmission with the teeth 152, and the middle part of the driving gear 114 is in key connection with the output shaft of the servo motor 113.

[0025] In the embodiment: through the arrangement of the pressing disc 400, the tablet is placed in the inside of the placing disc 130, the servo motor 113 is started, the servo motor 113 drives the driving gear 114 to rotate, the driving gear 114 is in meshing transmission with the teeth 152, the sliding block 153 at the bottom of the sliding plate 151 slides in the inside of the sliding groove 112, and the pressing disc 400 at the end of the horizontal rod 200 extrudes the tablet, so that the hardness of the tablet is detected. The servo motor 113 can accurately control the pressure and speed of the pressing disc 400, and ensures the consistency of the detection pressure each time. If the tablet is too hard or too soft, cross infection is avoided, and the problem that, in the production process, if the tablet is too hard or too soft, dust is easily generated in the packaging and transportation process, thereby causing cross contamination is solved.

[0026] In the embodiment, the problem of unstable clamping is solved, and the embodiment is an improvement on the basis of the first embodiment. For details, please refer to Figures 1-4 The inside of the placing disc 130 is provided with a slot 131, the clamping assembly 140 comprises a clamping ring 141 and a telescopic column 142, the clamping ring 141 is provided with a plurality of clamping rings, the telescopic column 142 is connected between the clamping ring 141 and the slot 131, the telescopic column 142 is externally sleeved with a spring 145, the telescopic column 142 comprises a fixed cylinder 143 and a sliding column 144, the fixed cylinder 143 is connected to the inner wall of the slot 131, the sliding column 144 is connected to the side of the clamping ring 141, the sliding column 144 is slidingly connected to the inner wall of the fixed cylinder 143, the bottom of the sliding column 144 is connected with a piston disc 154, and the piston disc 154 is in sliding cooperation with the inner wall of the fixed cylinder 143.

[0027] In the embodiment, the clamping assembly 140 is provided, the clamping ring 141 cooperates with the telescopic column 142, the tablet is placed in the clamping ring 141, the clamping ring 141 extrudes the telescopic column 142, the piston disc 154 at the bottom of the sliding column 144 slides in the fixed cylinder 143, the clamping ring 141 uniformly presses the tablet by extruding the telescopic column 142, and the tablet is stably clamped.

[0028] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying that there is any such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0029] The above only describes the preferred embodiments of the present application, and it should be pointed out that for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A pharmaceutical tablet hardness tester comprising a housing (110) characterised in that: The installation box (110) is provided with a placing groove (120) on the side, and a placing disc (130) is arranged in the placing groove (120).

2. The hardness tester for pharmaceutical tablets according to claim 1, characterized in that: The installation box (110) is internally provided with a mounting groove (111), and the extrusion assembly (150) is arranged in the mounting groove (111).

3. The hardness tester for pharmaceutical tablets according to claim 2, characterized in that: The extrusion assembly (150) comprises a sliding plate (151) and a plurality of teeth (152), the sliding plate (151) is slidingly arranged on the inner wall of the mounting groove (111), and the plurality of teeth (152) are connected to the side of the sliding plate (151).

4. The hardness tester for pharmaceutical tablets according to claim 3, characterized in that: The inner wall of the mounting groove (111) is provided with a sliding groove (112), the bottom of the sliding plate (151) is connected with a sliding block (153), the sliding block (153) is slidingly matched with the sliding groove (112), the side of the sliding plate (151) is connected with a cross rod (200), the side of the installation box (110) is provided with a moving groove (300), the cross rod (200) is slidingly matched with the moving groove (300), the end of the cross rod (200) is connected with a pressing disc (400), and the pressing disc (400) is matched with the placing disc (130).

5. The hardness tester for pharmaceutical tablets according to claim 4, characterized in that: The installation box (110) is provided with a servo motor (113) on the side, the output shaft of the servo motor (113) penetrates the side of the installation box (110), and the mounting groove (111) is internally provided with a drive gear (114).

6. The hardness tester for pharmaceutical tablets according to claim 5, characterized in that: The drive gear (114) is in meshing transmission with the teeth (152), and the middle part of the drive gear (114) is connected with the output shaft of the servo motor (113) in the form of keys.

7. The hardness tester for pharmaceutical tablets according to claim 6, characterized in that: The placing disc (130) is internally provided with a slot (131), the clamping assembly (140) comprises a clamping ring (141) and a telescopic column (142), the clamping ring (141) is provided with a plurality of clamping rings, the telescopic column (142) is connected between the clamping ring (141) and the slot (131), and the telescopic column (142) is provided with a spring (145) on the outside.

8. The hardness tester for pharmaceutical tablets according to claim 7, characterized in that: The telescopic column (142) comprises a fixed cylinder (143) and a sliding column (144), the fixed cylinder (143) is connected to the inner wall of the slot (131), the sliding column (144) is connected to the side of the clamping ring (141), the sliding column (144) is slidingly connected to the inner wall of the fixed cylinder (143), and the bottom of the sliding column (144) is connected with a piston disc (154).

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