Tablet hardness detection device

By introducing a monitoring mechanism and a temperature control mechanism into the tablet hardness testing device, precise pressure application and temperature control of the tablets are achieved, solving the problem of the impact of temperature changes on testing accuracy and improving the accuracy and stability of the test.

CN223461400UActive Publication Date: 2025-10-21JILIN HAIZHOU PHARMACEUTICAL CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422794267.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-16
Publication Date
2025-10-21
Estimated Expiration
2034-11-16

AI Technical Summary

Technical Problem

Existing tablet hardness testing devices cannot avoid the influence of temperature changes on hardness testing, and the testing accuracy is low.

Method used

A tablet hardness testing device comprising a monitoring mechanism and a temperature control mechanism was designed. The monitoring mechanism achieves precise pressure application and frame-by-frame imaging through a pneumatic extrusion structure and a high frame rate camera, while the temperature control mechanism provides a constant temperature environment through a fan and a brushless motor to ensure temperature uniformity.

Benefits of technology

It improves the precision and accuracy of tablet hardness testing, reduces the impact of temperature changes on test results, and provides a stable testing environment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223461400U_ABST
    Figure CN223461400U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of medicine tablet detection, and discloses a tablet hardness detection device which is characterized in that a monitoring mechanism is arranged in a detection bin, a constant temperature mechanism is arranged at the upper end of the detection bin, the tablet hardness detection device is composed of the detection bin, the monitoring mechanism and the constant temperature mechanism, and the monitoring mechanism adopts a pneumatic extrusion structure and a frame-by-frame shooting structure; the pneumatic extrusion structure adopts an air rod body and a pressing plate body to carry out pressurization operation on the tablet body so as to test the hardness of the tablet body, and in addition, the frame-by-frame shooting structure adopts a high-frame-rate camera to accurately record the pressure bearing process of the tablet body so as to realize an accurate monitoring effect; the constant-temperature mechanism adopts a flow guide constant-temperature structure, a constant-temperature space can be manufactured, the temperature of a plurality of tablet bodies can be balanced, and secondly, due to the temperature equalizing operation of the constant-temperature mechanism, the tablet bodies can be placed in the air bin in advance to be subjected to temperature equalizing operation before being tested.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to medicine tablet detection technical field, concretely is a tablet hardness detection device. BACKGROUND

[0002] Tablets are a common form of pharmaceutical preparations, which are solid preparations formed by pressing a mixture of active ingredients (drugs) and suitable excipients (such as fillers, binders, disintegrants, lubricants, etc.) through a tablet press; tablets are usually round or oval, but can also be made into other shapes and sizes as needed, such as irregular tablets, split tablets; the preparation of tablets usually includes mixing, granulation, drying and tabletting steps, first, the drug powder is mixed uniformly with excipients, then granulated, dried and pressed into tablets by a tablet press; the manufacturing process of tablets can accurately control the dosage of each tablet, ensuring the consistency of medication.

[0003] The patent document with the application number CN202022693818.X discloses a tablet hardness detection device, which includes a support table, a tablet sorting assembly, a conveying assembly and a testing assembly; the support table is hollow inside; the tablet sorting assembly includes a receiving container, a pipeline and a pipeline switch, the receiving container and the pipeline are fixedly connected, the pipeline is arranged in the support table, the inner diameter of the pipeline is larger than the diameter of the tablet and smaller than the sum of the diameter and thickness of the tablet, and the pipeline switch is arranged at the lower end of the pipeline; the conveying assembly is arranged below the pipeline, the distance between the pipeline and the conveying assembly is greater than the thickness of a single tablet and smaller than the thickness of two tablets, one end of the conveying assembly is located in the support table, and the other end extends out of the support table through the opening in the side of the support table, and the testing assembly is arranged on the conveying assembly. It solves the problem of low efficiency of detecting tablets one by one in the prior art", based on the above patent search and combined with the tablet hardness detection device in the prior art, it is found that temperature changes have a significant impact on the hardness of pharmaceutical dosage forms (such as tablets, capsules, etc.), the raw materials and excipients in pharmaceutical dosage forms will undergo thermal expansion or shrinkage when the temperature changes, when the temperature rises, the expansion of the material may cause the hardness of the dosage form to decrease; when the temperature decreases, the contraction of the material may cause the hardness to increase, the performance of the binders used in many dosage forms will change when the temperature changes, for example, some binders may become soft at high temperatures, causing the hardness of the dosage form to decrease; at low temperatures, they may become hard, increasing the hardness of the dosage form, the existing tablet hardness detection device cannot avoid this influencing factor, and the detection accuracy is low;

[0004] Therefore, the utility model designs a tablet hardness detection device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a tablet hardness detection device to solve the problems raised in the background art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a tablet hardness detection device, including detection bin, the inside of detection bin is provided with monitoring mechanism, the upper end of detection bin is provided with constant temperature mechanism, the monitoring mechanism includes air rod body, pressing plate body, rubber pad, steel plate body, mounting seat and high frame rate camera, the right end fixed mounting of detection bin's inside has air rod body, the drive end fixed mounting of air rod body has pressing plate body, the below of pressing plate body is provided with rubber pad, the left end fixed mounting of rubber pad has steel plate body, the front end fixed mounting of detection bin has mounting seat, the upper end fixed mounting of mounting seat has high frame rate camera;

[0007] The constant temperature mechanism includes the air warehouse, the air cylinder, the brushless motor, the fan body, the air outlet and the material taking port, the upper end fixed mounting of detection bin has the air warehouse, the upper end fixed mounting of air warehouse has the air cylinder, the upper end fixed mounting of air cylinder has the brushless motor, the lower end installation of brushless motor has the fan body, the inside of air warehouse is provided with the tablet body.

[0008] Optionally, the air rod body is fixedly installed on the inner wall of the detection bin, the air rod body can drive the pressing plate body to displace to the left side, and the shooting angle of the high frame rate camera is linearly aligned with the rubber pad.

[0009] Optionally, the monitoring mechanism further includes an electric control bin, a first discharging pipe, a second discharging pipe and a material guide pipe, and the electric control bin is fixedly installed in the detection bin.

[0010] Optionally, the first discharging pipe is inserted into the left end of the detection bin, and the second discharging pipe is inserted into the right end of the detection bin.

[0011] Optionally, the lower end of the first discharging pipe and the second discharging pipe is fixedly connected with the material guide pipe, and the air rod body, the high frame rate camera and the brushless motor are electrically connected with the electric control bin.

[0012] Optionally, three groups of the air cylinder, the brushless motor and the fan body are installed on the upper end of the air warehouse from left to right, the rear end of the air warehouse is provided with the air outlet, the front end of the air warehouse is provided with the material taking port, and a plurality of groups of the air outlet are distributed on the rear end of the air warehouse from left to right.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a monitoring mechanism, pneumatic extrusion structure: the combination of air rod body and pressing plate body can carry out accurate pressure to tablet body, can simulate different use conditions through the pressure intensity of control air rod body, thereby obtains more accurate hardness test result, frame -by -frame shooting structure: the introduction of high frame rate camera makes the monitoring mechanism can capture the morphological change of tablet body in the process of being pressed in real time, this has important significance to the analysis hardness characteristic of tablet, frame -by -frame record the pressure -bearing process of tablet, provides abundant data set, helps the more in -depth understanding of the mechanical behavior of tablet.

[0015] 2. The utility model discloses a constant temperature mechanism, guide flow constant temperature structure: the cooperation of air warehouse and brushless motor, fan body can quickly guide flow, realizes the even distribution of air warehouse internal temperature, provides a stable test environment for tablet body, and constant temperature mechanism can balance the temperature of multiple tablet bodies, ensures that all tablet bodies are in the same temperature condition in the testing process, improves the impartiality and accuracy of test result, reduces the influence of temperature change on test result. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of the utility model's perspective view;

[0017] Figure 2 It is the structure schematic diagram of the utility model's rear view;

[0018] Figure 3 It is the structure schematic diagram of the utility model's overhead view;

[0019] Figure 4 It is the structure schematic diagram of the utility model's plane overhead view;

[0020] Figure 5 It is the structure schematic diagram of the utility model's perspective view;

[0021] Figure 6 It is the structure schematic diagram of the utility model's perspective view.

[0022] In the drawing: 1, detection warehouse;2, monitoring mechanism;201, electric control warehouse;202, air rod body;203, pressing plate body;204, rubber pad;205, steel plate body;206, first blanking pipe;207, second blanking pipe;208, guide pipe;209, mounting seat;210, high frame rate camera;3, constant temperature mechanism;301, air warehouse;302, air cylinder;303, brushless motor;304, fan body;305, air outlet hole;306, material taking port;4, tablet body. DETAILED DESCRIPTION

[0023] In the description of the utility model, it is necessary to understand that the orientation or positional relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0024] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely in the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0026] Please refer to Figures 1-6 The utility model provides a technical scheme:

[0027] The utility model provides a tablet hardness detection device, including detection bin 1, the inside of detection bin 1 is provided with monitoring mechanism 2, the upper end of detection bin 1 is provided with constant temperature mechanism 3, monitoring mechanism 2 includes air rod body 202, pressing plate body 203, rubber pad 204, steel plate body 205, mounting seat 209 and high frame rate camera 210, the right end fixed mounting of detection bin 1 is provided with air rod body 202, the transmission end fixed mounting of air rod body 202 is provided with pressing plate body 203, the below of pressing plate body 203 is provided with rubber pad 204, the left end fixed mounting of rubber pad 204 is provided with steel plate body 205, the front end fixed mounting of detection bin 1 is provided with mounting seat 209, the upper end fixed mounting of mounting seat 209 is provided with high frame rate camera 210, air rod body 202 is fixedly installed on the inner wall of detection bin 1, air rod body 202 can drive pressing plate body 203 to displace to the left side, the shooting angle of high frame rate camera 210 is in line with rubber pad 204, monitoring mechanism 2 further includes electric control bin 201, first blanking tube 206, second blanking tube 207 and material guide pipe 208, the inside fixed mounting of detection bin 1 is provided with electric control bin 201, the left end of detection bin 1 is inserted with first blanking tube 206, the right end of detection bin 1 is inserted with second blanking tube 207, the lower end fixed connection of first blanking tube 206 and second blanking tube 207 is provided with material guide pipe 208, air rod body 202, high frame rate camera 210 and brushless motor 303 are electrically connected with electric control bin 201;

[0028] Referring to Figure 3 Initially, through the pneumatic extrusion structure and frame-by-frame shooting structure of monitoring mechanism 2, the pneumatic extrusion structure adopts air rod body 202 and pressing plate body 203 to perform pressure operation on tablet body 4, thereby realizing hardness testing of tablet body 4, in addition, the frame-by-frame shooting structure adopts high frame rate camera 210 to accurately record the pressure bearing process of tablet body 4, thereby realizing accurate monitoring effect;

[0029] Among them, air rod body 202 provides a controllable force applying mode, through the adjustment of electric control bin 201, the pressure applied on tablet body 4 can be accurately controlled, not only improves the accuracy of testing, but also allows hardness testing under different pressure conditions, increases the flexibility of testing; pressing plate body 203 works cooperatively with air rod body 202 to ensure that tablet body 4 is stably subjected to pressure during testing; steel plate body 205 provides stable support as the reference surface of tablet body 4 under pressure; high frame rate camera 210 can capture images of tablet body 4 in the pressure bearing process in real time, providing intuitive and detailed data for analyzing the hardness change of tablet body 4;

[0030] The constant temperature mechanism 3 comprises an air bin 301, an air cylinder 302, a brushless motor 303, a fan body 304, an air outlet hole 305 and a material taking hole 306. The upper end of the detection bin 1 is fixedly installed with the air bin 301. The upper end of the air bin 301 is fixedly installed with the air cylinder 302. The upper end of the air cylinder 302 is fixedly installed with the brushless motor 303. The lower end of the brushless motor 303 is installed with the fan body 304. The inside of the air bin 301 is provided with the tablet body 4. Three groups of air cylinders 302, brushless motors 303 and fan bodies 304 are installed at the upper end of the air bin 301 from left to right. The rear end of the air bin 301 is provided with the air outlet hole 305. The front end of the air bin 301 is provided with the material taking hole 306. A plurality of air outlet holes 305 are distributed at the rear end of the air bin 301 from left to right.

[0031] Referring to Figure 6 , the application can manufacture a constant temperature space and balance the temperature of a plurality of tablet bodies 4 through the flow guide constant temperature structure of the constant temperature mechanism 3. In addition, the tablet body 4 can be placed in the air bin 301 for temperature equalization operation before the tablet body 4 is tested, due to the temperature equalization operation of the constant temperature mechanism 3.

[0032] The air bin 301 provides a constant temperature environment for the tablet body 4. Through the joint action of the air cylinder 302, the brushless motor 303 and the fan body 304, the temperature in the air bin 301 can be quickly equalized, and the influence of the environmental temperature on the test result is reduced. The brushless motor 303 provides driving force for the air cylinder 302. The fan body 304 generates high-speed airflow, accelerates the temperature equalization process in the air bin 301, shortens the preheating time of the tablet body 4 and improves the test efficiency.

[0033] The working principle of the utility model is: the tablet hardness detection device is composed of detection bin 1, monitoring mechanism 2 and constant temperature mechanism 3, before using the tablet hardness detection device, the electric control bin 201 needs to be connected to the control terminal, when using the tablet hardness detection device, the constant temperature mechanism 3 is started first, the multiple brushless motors 303 and fan bodies 304 are started synchronously, the air flow is guided quickly, and then the temperature in the air bin 301 is balanced, the tablet body 4 to be detected is placed in the air bin 301, after placing for a certain time, the tablet body 4 to be detected is taken out and placed in the first discharge pipe 206 or the second discharge pipe 207, the tablet body 4 falls on the rubber pad 204, at the same time, the air rod body 202 is started through the control terminal, the extrusion pressure intensity is set, the air rod body 202 pushes the tablet body 4 to the left, the tablet body 4 is pressed tightly on the steel plate body 205, the change of the tablet body 4 is recorded, the pressure intensity of the air rod body 202 is adjusted, the above operation is carried out for multiple times, and multiple groups of change data of the tablet body 4 are obtained, in addition, the high frame rate camera 210 can accurately record the pressure bearing process of the tablet body 4, and the hardness of the tablet body 4 can be reflected more; in summary, the monitoring mechanism 2 adopts the pneumatic extrusion structure and frame-by-frame shooting structure, the pneumatic extrusion structure adopts the air rod body 202 and the pressing plate body 203 to carry out the pressure operation on the tablet body 4, and then the hardness of the tablet body 4 is tested, in addition, the frame-by-frame shooting structure adopts the high frame rate camera 210 to accurately record the pressure bearing process of the tablet body 4, and then the accurate monitoring effect is realized; the constant temperature mechanism 3 adopts the flow guide constant temperature structure, can manufacture a constant temperature space, and balance the temperature of multiple tablet bodies 4, secondly, due to the uniform temperature operation of the constant temperature mechanism 3, the tablet body 4 can be placed in the air bin 301 in advance to carry out the temperature balancing operation before testing the tablet body 4.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A tablet hardness detection device, comprising a detection bin (1), characterized in that: the inside of the detection bin (1) is provided with a monitoring mechanism (2), and the upper end of the detection bin (1) is provided with a constant temperature mechanism (3); the monitoring mechanism (2) comprises an air rod body (202), a pressing plate body (203), a rubber pad (204), a steel plate body (205), a mounting seat (209) and a high-frame-rate camera (210); the right end inside the detection bin (1) is fixedly installed with the air rod body (202); the transmission end of the air rod body (202) is fixedly installed with the pressing plate body (203); the lower portion of the pressing plate body (203) is provided with the rubber pad (204); the left end of the rubber pad (204) is fixedly installed with the steel plate body (205); the front end of the detection bin (1) is fixedly installed with the mounting seat (209); and the upper end of the mounting seat (209) is fixedly installed with the high-frame-rate camera (210). The constant temperature mechanism (3) comprises a wind bin (301), a wind cylinder (302), a brushless motor (303), a fan body (304), an air outlet (305) and a material taking port (306); the upper end of the detection bin (1) is fixedly installed with the wind bin (301); the upper end of the wind bin (301) is fixedly installed with the wind cylinder (302); the upper end of the wind cylinder (302) is fixedly installed with the brushless motor (303); the lower end of the brushless motor (303) is installed with the fan body (304); and the inside of the wind bin (301) is provided with a tablet body (4). The air rod body (202) is fixedly installed on the inner wall of the detection bin (1), the air rod body (202) can drive the pressing plate body (203) to displace to the left side, and the shooting angle of the high-frame-rate camera (210) is linearly aligned with the rubber pad (204).

2. The tablet hardness detection device according to claim 1, characterized in that: The monitoring mechanism (2) further comprises an electric control bin (201), a first blanking pipe (206), a second blanking pipe (207) and a material guide pipe (208); and the inside of the detection bin (1) is fixedly installed with the electric control bin (201).

3. The tablet hardness detection device of claim 1, wherein: The left end of the detection bin (1) is inserted with the first blanking pipe (206), and the right end of the detection bin (1) is inserted with the second blanking pipe (207).

4. The tablet hardness detection device of claim 1, wherein: The lower ends of the first blanking pipe (206) and the second blanking pipe (207) are fixedly connected with the material guide pipe (208); and the air rod body (202), the high-frame-rate camera (210) and the brushless motor (303) are electrically connected with the electric control bin (201).

5. A tablet hardness detection device according to claim 4, characterized in that: Three groups of the wind cylinder (302), the brushless motor (303) and the fan body (304) are installed on the upper end of the wind bin (301) from left to right; the rear end of the wind bin (301) is provided with the air outlet (305); the front end of the wind bin (301) is provided with the material taking port (306); and a plurality of air outlets (305) are distributed on the rear end of the wind bin (301) from left to right.

6. The tablet hardness detection device of claim 1, wherein: ​

Citation Information

Patent Citations

  • Tablet hardness detection device

    CN213749453U