一种用于片剂脆碎度的测试装置

Abstract

本实用新型涉及片剂测试设备技术领域，公开了一种用于片剂脆碎度的测试装置，包括梯形块和锥形滚筒，所述梯形块的内壁底部固定连接有直流电机，所述直流电机的输出端固定连接有驱动齿轮，所述驱动齿轮的外壁啮合连接有联动齿轮，所述联动齿轮的内壁固定连接有转动柱，所述转动柱的左右端均贯穿所述梯形块并滑动连接有滑动柱，所述锥形滚筒的内壁与所述滑动柱的外壁相卡合，所述滑动柱的内壁螺纹连接有固定螺丝。本实用新型中，通过启动直流电机，带动转动柱和锥形滚筒同步旋转，转动固定螺丝，滑动柱与锥形滚筒固定连接，复位弹簧确保运动稳定性，弧形固定板支撑并固定进料筒，实现跌落检测，从而可便于清洗和更换。

Claims

1. A testing device for tablet friability comprising a trapezoidal block (1) and a conical drum (7), characterized in that: A DC motor (3) is fixedly connected to the bottom of the inner wall of the trapezoidal block (1). A drive gear (4) is fixedly connected to the output end of the DC motor (3). A linkage gear (5) is meshed with the outer wall of the drive gear (4). A rotating column (6) is fixedly connected to the inner wall of the linkage gear (5). The left and right ends of the rotating column (6) both penetrate the trapezoidal block (1) and are slidably connected to a sliding column (11). The inner wall of the conical roller (7) engages with the outer wall of the sliding column (11). A fixing screw (12) is threadedly connected to the inner wall of the sliding column (11). The outer wall of the sliding column (11) is fixedly connected with a return spring (13), and the other ends of the two return springs (13) are respectively fixedly connected to the left and right ends of the rotating column (6). The inner wall of the conical roller (7) is fixedly connected with an arc-shaped fixing plate (8), and the middle of the outer wall of the arc-shaped fixing plate (8) is connected to a feed cylinder (9). The inner wall of the feed cylinder (9) is threadedly connected with a threaded plug (10). The left and right sides of the outer wall of the trapezoidal block (1) are provided with adjustment mechanisms (2), and the adjustment mechanisms (2) are used to adjust the swing amplitude of the conical roller (7).

2. A device for testing friability of tablets as claimed in claim 1, wherein: The adjustment mechanism (2) includes two fixed disks (201). The outer walls of the two fixed disks (201) are respectively fixedly connected to the left and right sides of the trapezoidal block (1). A hollow turntable (203) is rotatably connected to the outer wall of the fixed disk (201). A tension spring (202) is fixedly connected to the front and rear sides of the outer wall of the fixed disk (201). A T-shaped slider (204) is fixedly connected to the other end of the tension spring (202). The outer wall of the T-shaped slider (204) is slidably connected to the inner wall of the hollow turntable (203). A trapezoidal pressure block (205) is slidably connected to the top of the inner wall of the fixed disk (201). An adjusting bolt (206) is threadedly connected to the top left and right ends of the top of the trapezoidal block (1). The bottom end of the adjusting bolt (206) is rotatably connected to the top end of the trapezoidal pressure block (205). A fixed sliding column (207) is fixedly connected to the outer wall of the conical roller (7).

3. A device for testing friability of tablets as claimed in claim 1, wherein: A column (14) is fixedly connected to the top left side of the trapezoidal block (1), and a warning light (15) is fixedly connected to the top of the column (14).

4. A device for testing friability of tablets as claimed in claim 1, wherein: A U-shaped handle (16) is fixedly connected to the top center of the trapezoidal block (1), and mounting screws (17) are threadedly connected to the front and rear sides of the top of the trapezoidal block (1). The outer wall of the mounting screw (17) engages with the inner wall of the U-shaped handle (16).

5. The device for testing the friability of tablets according to claim 1, characterized in that: The front top of the trapezoidal block (1) is fixedly connected to a display screen (18), and the front bottom of the trapezoidal block (1) is fixedly connected to multiple operation buttons (19).

6. A device for testing friability of tablets as claimed in claim 1, wherein: The trapezoidal block (1) has four corners at the bottom that are fixedly connected to conical rubber blocks (20), and the inner wall of the conical roller (7) is rounded.

7. A device for testing friability of tablets as claimed in claim 1, wherein: The rear side of the trapezoidal block (1) is connected to an annular frame (21), and a filter screen (22) is fixedly connected to the inner wall of the annular frame (21).

8. A device for testing friability of tablets as claimed in claim 2, wherein: The hollow rotating disc (203) is provided with a limiting groove (23) on the front and back sides of the outer wall, and the inner wall of the limiting groove (23) is in sliding connection with the outer wall of the T-shaped sliding block (204).

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