Membrane strength testing device
By designing a diaphragm strength testing device, the problem of inaccurate strength testing of capsule shells is solved, and the precise detection of diaphragm strength is achieved, which improves the reliability of the test and the safety of capsule use.
Patent Information
- Application Number
- CN202422052288.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-23
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-08-23
AI Technical Summary
The prior art lacks accurate testing of the strength of the finished capsule shell, resulting in the risk of drug content leakage and limits the scope of use of the capsule.
A diaphragm strength testing device is designed, including a support base, a push-pull force tester, a diaphragm fixing base, a guide rail and a guide slider. The diaphragm is pierced through a piercing fixture to detect its strength, and combined with a position adjustment component to achieve precise fixing and testing.
It improves the accuracy and reliability of diaphragm strength testing, meets the testing needs of different materials, and ensures the stability and safety of the capsule shell.
Smart Images

Figure CN223295803U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a testing tool, in particular to a diaphragm strength testing device. Background Art
[0002] Capsule shells are primarily made by curing plant- or animal-derived polymer glues through a viscose impregnation process. They possess a regular ellipsoidal structure. The protective capsule shell requires a certain degree of structural strength to maintain the stability and safety of the liquid or granular contents, significantly expanding its scope of use. However, the capsule shell is susceptible to rupture under strong pressure, leading to leakage of the drug contents and resulting in drug failure. The existing technology lacks strength testing equipment for finished capsule shells, making it impossible to accurately measure the pressure exerted on the capsule shell, thus limiting the capsule's scope of use. Utility Model Content
[0003] Technical problem solved: In response to the problems existing in the prior art, the utility model provides a diaphragm strength testing device, which can meet the test of the structural strength of diaphragms made of different materials and improve the accuracy and reliability of the diaphragm strength test.
[0004] Technical solution: The utility model provides a diaphragm strength testing device, which includes:
[0005] Support base;
[0006] A push-pull force tester is correspondingly arranged at one end of the support base, and a puncture fixture for receiving a pressure signal is provided at the power end of the push-pull force tester;
[0007] A diaphragm fixing seat, which is correspondingly arranged at one end of the puncture clamp and is used to fix the diaphragm;
[0008] A guide rail, the guide rail being correspondingly provided at the other end of the support base and being in the same vertical plane as the axis of the puncture clamp;
[0009] The guide slider is correspondingly connected to the guide rail in a sliding manner, and the diaphragm fixing seat is correspondingly connected to the guide slider.
[0010] Preferably, a chassis is provided on the support base, and the push-pull force tester is correspondingly installed on the top surface of the chassis;
[0011] A movable bracket is provided at the top of the guide slider, and the diaphragm fixing seat is correspondingly provided on the movable bracket, and the diaphragm fixing seat and the puncture clamp are approximately at the same height.
[0012] Preferably, at least one set of position adjustment components is provided on the top of the movable bracket and on the side corresponding to the push-pull force tester;
[0013] The diaphragm fixing seat is correspondingly connected to the fixing seat mounting plate, and the fixing seat mounting plate is correspondingly connected to the other side of the position adjustment component.
[0014] Preferably, the position adjustment component comprises two groups that are relatively connected, and the displacement directions of the two groups of position adjustment components are arranged vertically.
[0015] Preferably, the position adjustment assembly includes a fixed mounting plate to which the fixed seat mounting plate or the movable bracket is fixedly connected, and the fixed mounting plate is provided with a guide rail along its plate surface;
[0016] A movable plate is correspondingly provided on the other side of the fixed mounting plate, and a guide groove is correspondingly provided on the side of the movable plate and the guide rail, and the movable plate is buckled on the guide rail of the fixed mounting plate through the guide groove;
[0017] The fixed mounting plate is located at one end of the guide rail and is correspondingly provided with a handle mounting seat, the handle mounting seat is connected to an adjustment handle, and one end of the adjustment handle is threadedly connected to the movable plate.
[0018] Preferably, a driving cylinder is provided at one end of the support base away from the push-pull force tester, and a driving end of the driving cylinder is fixedly connected to the guide sliding block.
[0019] Preferably, the puncture clamp includes a connecting column and a puncture needle arranged at the end of the connecting column.
[0020] Preferably, the driving cylinder is a hydraulic cylinder, a driving cylinder or a driving electric cylinder.
[0021] Preferably, leveling feet are provided at the four corners of the bottom surface of the support base.
[0022] Compared with the prior art, the present invention has at least the following beneficial effects:
[0023] 1. The strength testing device of this utility model can meet the test of the structural strength of diaphragms of different materials and improve the accuracy and reliability of the test of diaphragm strength;
[0024] 2. The position adjustment component can realize the adjustment of the horizontal or vertical position of the diaphragm fixing seat in the plumb plane, thereby improving the position adjustment accuracy of the diaphragm fixing seat and meeting the fine adjustment of the diaphragm position. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 This is a front view of the strength testing device structure of the utility model;
[0026] Figure 2 for Figure 1 Top view of the medium strength test device structure;
[0027] Figure 3for Figure 1 or a schematic diagram of the first-view structure of the displacement adjustment component in 2;
[0028] Figure 4 for Figure 1 Or a schematic diagram of the first-perspective structure of the displacement adjustment component in 2.
[0029] Figure numerals: 100, strength testing device; 1, push-pull force tester; 2, puncture clamp; 3, diaphragm fixing seat; 4, fixing seat mounting plate; 5, position adjustment assembly; 51, fixed mounting plate; 52, movable plate; 53, guide rail; 54, guide groove; 55, handle mounting seat; 56, adjustment handle; 6, movable bracket; 7, support base; 8, chassis; 9, guide rail; 10, guide slider; 11, drive cylinder; 12, leveling foot block. DETAILED DESCRIPTION
[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the following Figures 1 to 4 The technical solutions of the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the present invention.
[0031] Example 1: Figures 1 and 2 As shown, the utility model discloses a diaphragm strength testing device, and the strength testing device 100 includes a push-pull force tester 1, a diaphragm fixing seat 3, a support base 7, a guide rail 9 and a guide slider 10. Leveling feet 12 are correspondingly provided at the four corners of the bottom surface of the support base 7. The push-pull force tester 1 is correspondingly arranged at one end of the support base 7, and the power end of the push-pull force tester 1 is provided with a puncture clamp 2 for receiving a pressure signal. The puncture clamp 2 includes a connecting column and a needle provided at the end of the connecting column. The connecting column is a stainless steel cylinder with a diameter of 1 to 5 mm. The diaphragm fixing seat 3 is correspondingly arranged at one end of the puncture clamp 2. The diaphragm fixing seat 3 and the puncture clamp 2 are correspondingly provided with circular holes. The diameter of the circular hole is larger than the diameter of the puncture clamp 2. The circular hole of the diaphragm fixing seat 3 can be used for fixing and installing the diaphragm. The guide rail 9 is correspondingly arranged at the other end of the support base 7, and the guide rail 9 is in the same plumb plane as the axis of the puncture clamp 2; the guide slider 10 is correspondingly slidably connected to the guide rail 9, and the diaphragm fixing seat 3 is correspondingly connected to the guide slider 10. During operation, the diaphragm is correspondingly installed on the diaphragm fixing seat 3, and then the guide slider 10 moves along the guide rail 9 to drive the diaphragm fixing seat 3 close to the puncture clamp 2. During the process of the puncture clamp 2 puncturing the diaphragm, the push-pull force tester 1 can detect the puncture strength value of the diaphragm, thereby realizing a convenient test of the diaphragm structural strength.
[0032] In a preferred embodiment, if Figure 1 As shown, a chassis 8 is mounted on a support base 7, with the push-pull force tester 1 mounted on top of the chassis 8. A movable bracket 6 is mounted on top of the guide slider 10, with the diaphragm holder 3 mounted on the movable bracket 6. The diaphragm holder 3 and the puncture fixture 2 are approximately at the same height. This strength testing device provides ample operating space and facilitates the installation and movement of the diaphragm.
[0033] Example 2: Based on Example 1, at least one position adjustment assembly 5 is installed on the top of the movable bracket 6 on the side corresponding to the push-pull force tester 1. The diaphragm holder 3 is connected to the holder mounting plate 4, and the holder mounting plate 4 is connected to the other side of the position adjustment assembly 5. This position adjustment assembly 5 allows for fine-tuning of the position of the diaphragm holder 3 within the vertical plane, thereby aligning the position of the diaphragm with the puncture fixture 2.
[0034] In a preferred embodiment, if Figures 3 and 4 As shown, the position adjustment assembly 5 includes two groups connected relative to each other, and the displacement directions of the two groups of position adjustment assemblies 5 are arranged perpendicularly. Each position adjustment assembly 5 includes a fixed mounting plate 51 for fixed connection to the fixed seat mounting plate 4 or the movable bracket 6, and a guide rail 53 is provided along the plate surface of the fixed mounting plate 51; a movable plate 52 is correspondingly provided on the other side of the fixed mounting plate 51, and a guide groove 54 is provided on the side of the movable plate 52 and the guide rail 53, and the movable plate 52 is correspondingly engaged with the guide rail 53 of the fixed mounting plate 51 through the guide groove 54; a handle mounting seat 55 is provided at one end of the fixed mounting plate 51 corresponding to the guide rail 53, and an adjustment handle 56 is connected to the handle mounting seat 55, and one end of the adjustment handle 56 is threadedly connected to the movable plate 52. The adjustment handle 56 includes a sleeve and a screw disposed in the sleeve. The front end of the screw is fixedly connected to the movable plate 52. When the sleeve is rotated, the screw is driven forward or backward through the thread, thereby driving the movable plate 52 forward or backward along the fixed mounting plate 51. The two sets of position adjustment components 5 cooperate to adjust the horizontal or vertical position of the diaphragm fixing seat 3 in the vertical plane, thereby improving the position adjustment accuracy of the diaphragm fixing seat 3 and improving the accuracy and reliability of the test results.
[0035] Example 3: Based on Example 1 and Example 2, a drive cylinder 11 is provided at the end of the support base 7 away from the push-pull force tester 1. The drive end of the drive cylinder 11 is fixedly connected to the guide slider 10. The drive cylinder 11 can push the guide slider 10 forward or backward along the guide rail 9. The drive cylinder 11 can be a hydraulic cylinder, a drive cylinder, or a drive electric cylinder.
[0036] The working principle or working method of this utility model:
[0037] Step 1: Take the diaphragm to be tested and cut it into a certain size to meet the installation requirements of the diaphragm holder.
[0038] Step 2: Fix the cut diaphragm on the diaphragm holder and set aside.
[0039] Step 3: Turn on the push-pull force tester and the drive cylinder. The drive cylinder pushes the guide slider to move along the guide rail, driving the diaphragm fixing seat close to the puncture fixture. The push-pull force tester can measure the pressure when the diaphragm is punctured, and then obtain the diaphragm strength data.
[0040] The specific data of polyethylene film and polyaluminum film measured by the strength testing device of the present invention are shown in Table 1:
[0041] .
[0042] The above is a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.
Claims
1. A diaphragm strength testing device, characterized in that: The strength testing device (100) comprises: Support base (7); A push-pull force tester (1), wherein the push-pull force tester (1) is correspondingly arranged at one end of the support base (7), and a puncture clamp (2) for receiving a pressure signal is provided at a power end of the push-pull force tester (1); A diaphragm fixing seat (3), the diaphragm fixing seat (3) is correspondingly arranged at one end of the puncture clamp (2), and the diaphragm fixing seat (3) is used for fixing and installing the diaphragm; A guide rail (9), wherein the guide rail (9) is correspondingly arranged at the other end of the support base (7), and the guide rail (9) is located in the same vertical plane as the axis of the puncture clamp (2); The guide slider (10) is correspondingly connected to the guide rail (9) in a sliding manner, and the diaphragm fixing seat (3) is correspondingly connected to the guide slider (10).
2. The diaphragm strength testing device according to claim 1, characterized in that: A cabinet (8) is provided on the support base (7), and the push-pull force tester (1) is correspondingly mounted on the top surface of the cabinet (8); A movable bracket (6) is provided at the top of the guide slider (10), and the diaphragm fixing seat (3) is correspondingly provided on the movable bracket (6), and the diaphragm fixing seat (3) and the puncture clamp (2) are approximately at the same height.
3. The diaphragm strength testing device according to claim 2, characterized in that: At least one set of position adjustment components (5) is provided on the top of the movable bracket (6) and on the side corresponding to the push-pull force tester (1); The diaphragm fixing seat (3) is correspondingly connected to the fixing seat mounting plate (4), and the fixing seat mounting plate (4) is correspondingly connected to the other side of the position adjustment component (5).
4. The diaphragm strength testing device according to claim 3, characterized in that: The position adjustment component (5) comprises two groups that are relatively connected, and the displacement directions of the two groups of position adjustment components (5) are arranged vertically.
5. The diaphragm strength testing device according to claim 4, characterized in that: The position adjustment assembly (5) comprises a fixed mounting plate (51) for fixedly connecting the fixed seat mounting plate (4) or the movable bracket (6), and the fixed mounting plate (51) is provided with a guide rail (53) along its plate surface; A movable plate (52) is correspondingly provided on the other side of the fixed mounting plate (51), and a guide groove (54) is correspondingly provided on the side of the movable plate (52) and the guide rail (53), and the movable plate (52) is correspondingly buckled on the guide rail (53) of the fixed mounting plate (51) through the guide groove (54); The fixed mounting plate (51) is located at one end of the guide rail (53) and is provided with a handle mounting seat (55) corresponding thereto. An adjustment handle (56) is connected to the handle mounting seat (55), and one end of the adjustment handle (56) is threadedly connected to the movable plate (52).
6. The diaphragm strength testing device according to any one of claims 1 to 5, characterized in that: A driving cylinder (11) is provided at one end of the support base (7) away from the push-pull force tester (1), and a driving end of the driving cylinder (11) is fixedly connected to the guide slider (10).
7. The diaphragm strength testing device according to claim 6, characterized in that: The puncture clamp (2) comprises a connecting column and a puncture needle arranged at the end of the connecting column.
8. The diaphragm strength testing device according to claim 7, characterized in that: The driving cylinder (11) is a hydraulic cylinder, a driving air cylinder or a driving electric cylinder.
9. The diaphragm strength testing device according to claim 6, characterized in that: Leveling foot blocks (12) are correspondingly provided at the four corners of the bottom surface of the support base (7).