CN216718157U - Portable medical sterilization package peel strength testing arrangement - Google Patents
Portable medical sterilization package peel strength testing arrangement Download PDFInfo
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- CN216718157U CN216718157U CN202122737860.1U CN202122737860U CN216718157U CN 216718157 U CN216718157 U CN 216718157U CN 202122737860 U CN202122737860 U CN 202122737860U CN 216718157 U CN216718157 U CN 216718157U
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- testing device
- sliding plate
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- sterilization package
- peel strength
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Abstract
The utility model provides a portable medical sterilization package peeling strength testing device, which comprises: a longitudinally extending test fixture frame; a micro servo motor; install the slip tension mechanism on the testing arrangement frame, include: the device comprises a threaded screw rod connected with a micro servo motor, a screw rod nut arranged on the threaded screw rod, a lower sliding plate connected with the screw rod nut above the screw rod nut, an upper sliding plate assembled with the lower sliding plate in a sliding way above the lower sliding plate, and two ends of the upper sliding plate are fixedly connected with a testing device frame; a digital display dynamometer connected with the lower sliding plate above the lower sliding plate; a sample fixture for centre gripping medical sterilization package that awaits measuring includes: the first clamping mechanism is arranged on the testing device frame, and the second clamping mechanism is connected with the digital display dynamometer; and the control box is connected with the micro servo motor. According to the utility model, the portable medical sterilization package peeling strength testing device has the advantages of reduced volume and weight, convenience in installation and disassembly, capability of being tested on site, time saving and rapidness.
Description
Technical Field
The utility model relates to the field of peel strength testing devices, in particular to a portable medical sterilization package peel strength testing device.
Background
In the production process of the medical sterilization packaging bag, the peeling strength of the sealing part of the packaging bag needs to be detected. The existing peeling strength detection equipment is desk-top equipment which is large in size and heavy, and when detection is needed each time, samples need to be sent to a detection chamber for detection, so that time and labor are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a portable medical sterilization package peel strength testing device, and solves the problems that a peel strength tester in the prior art is generally large in design, can only be operated in a detection room, is long in inspection time and inconvenient to carry.
In order to solve the technical problem, the utility model adopts the following technical scheme:
provided is a portable medical sterilization package peel strength testing device, comprising: a longitudinally extending test fixture frame; the miniature servo motor is arranged on the testing device frame; install in slide stretching mechanism on the testing arrangement frame includes: the testing device comprises a threaded screw rod connected with the miniature servo motor, a screw nut arranged on the threaded screw rod, a lower sliding plate connected with the upper sliding plate above the screw nut, and an upper sliding plate slidably assembled with the lower sliding plate above the lower sliding plate, wherein two ends of the upper sliding plate are fixedly connected with a testing device frame; the digital display dynamometer is connected with the upper part of the lower sliding plate; a sample fixture for centre gripping medical sterilization package that awaits measuring includes: the first clamping mechanism is arranged on the testing device frame, and the second clamping mechanism is connected with the digital display dynamometer; and a control box connected with the micro servo motor; when the threaded screw rod is driven by the micro servo motor to rotate, the screw rod nut drives the lower sliding plate to longitudinally displace on the testing device frame relative to the upper sliding plate, and simultaneously drives the digital display dynamometer to move, so that a sealing part of the medical sterilization package clamped between the first clamping mechanism and the second clamping mechanism is stripped, and the stripping strength test is realized.
Preferably, the test device rack comprises: the base is fixed on a first transverse clapboard, a second transverse clapboard and a third transverse clapboard on the base, and a first longitudinal clapboard and a second longitudinal clapboard which connect the first transverse clapboard and the second transverse clapboard at two sides.
Preferably, two ends of the upper sliding plate are respectively fixed on the first transverse partition plate and the second transverse partition plate.
Preferably, two ends of the threaded screw rod are fixed on the first transverse partition plate and the second transverse partition plate through bearings.
Preferably, the bottom surface of the upper sliding plate is provided with a longitudinally extending convex strip, and the top surface of the lower sliding plate is provided with a longitudinally extending groove, wherein the convex strip is in sliding fit with the groove.
Preferably, two sides of the lower sliding plate are provided with flanges extending upwards, the flanges are connected with a digital display dynamometer fixing plate, and the digital display dynamometer is fixed above the digital display dynamometer fixing plate.
The screw thread lead screw positioning device is characterized by further comprising a zero plate arranged on the side face of the lower sliding plate and a position sensor arranged on the outer side of the first longitudinal partition plate, and when the zero plate is in contact with the position sensor, the operation program of the screw thread lead screw is finished.
Preferably, the inner sides of the first transverse partition plate and the second transverse partition plate are respectively provided with an anti-collision block.
Preferably, the first clamping mechanism is mounted on the third transverse partition.
Preferably, the control box is connected with the testing device frame through a buckle.
According to the utility model, the portable medical sterilization package peeling strength testing device is light in weight (the total weight is less than 8 kilograms), small in size (the total length is 450mm, the widest part is 110mm, and the highest part is 130mm), reasonable in structure, convenient to carry, capable of detecting the peeling strength of the sealing and ironing part of the sterilization package bag at any time in a production field, convenient, rapid, time-saving and labor-saving.
In conclusion, the utility model provides the portable medical sterilization package peeling strength testing device which is small in size, light in weight, convenient to install, disassemble and carry, capable of being tested on site, time-saving and rapid.
Drawings
Fig. 1 is a perspective view of a peel strength testing apparatus provided in accordance with a preferred embodiment of the present invention;
FIG. 2 is a longitudinal sectional view of the peel strength testing apparatus shown in FIG. 1;
FIG. 3 is a transverse cross-sectional view of the peel strength testing apparatus shown in FIG. 1;
FIG. 4 is a top view of the peel strength testing apparatus shown in FIG. 1;
FIG. 5 is a schematic view of the snap-fit connection of the control box to the third longitudinal partition;
wherein: 1, a control box; 2 a miniature servo motor; 3, digitally displaying the dynamometer; 41 a first clamping mechanism; 42 a second clamping mechanism; 5, an upper sliding plate; 6, positioning a groove; 7, a lower sliding plate; 8, positioning convex strips; 9, a screw nut; 10, a threaded screw rod; 11 a base; 12 a first transverse partition; 13 a second transverse partition; 14 a third transverse partition; 15 digital display dynamometer fixing plates; 16 a first longitudinal partition; 17 an anti-collision block; an 18-zero plate; 19 a position sensor; 20 bearing; 21 an anti-collision block; 22 a second longitudinal partition; 23, a first buckle; 24 second snap.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that the following examples are illustrative only and are not intended to limit the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 4, a portable medical sterilization package peel strength testing device according to a preferred embodiment of the present invention mainly includes a testing device frame, a micro servo motor 2, a sliding stretching mechanism, a digital display dynamometer 3, a sample holding mechanism, a control box 1, and the like.
The testing device frame is a roughly cuboid frame and comprises a strip-shaped base 11, wherein a first transverse partition plate 12, a second transverse partition plate 13 and a third transverse partition plate 14 are sequentially fixed on the base 11, and two sides of the first transverse partition plate 12 and two sides of the second transverse partition plate 13 are respectively connected through a first longitudinal partition plate 16 and a second longitudinal partition plate 22.
The slide stretching mechanism includes: the device comprises a threaded lead screw 10, a lead screw nut 9, a lower sliding plate 7, an upper sliding plate 5 and a dynamometer fixing plate 15, wherein bearings 20 are installed at two ends of the threaded lead screw 10, the bearings 20 are respectively fixed on a first transverse partition plate 12 and a second transverse partition plate 13, the right end of the threaded lead screw 10 is connected with a rotating shaft of a micro servo motor 2, the lead screw nut 9 is installed on the threaded lead screw 10, the outer side of the bottom of the lower sliding plate 7 is connected with the top of the lead screw nut 9, two ends of the upper sliding plate 5 are respectively fixed on the first transverse partition plate 12 and the second transverse partition plate 13, as shown in figure 3, two positioning convex strips 8 are arranged on the inner side of the top of the lower sliding plate 7 and are matched with two positioning grooves 6 at the bottom of the upper sliding plate 5, and the lower sliding plate 7 can stably slide along the two positioning grooves 6 of the upper sliding plate 5 under the action of external force. It should be understood that the upper slide plate 5 in the device is connected with the frame of the testing device, and is always fixed in the testing process, and acts as a slide rail to ensure that the sliding direction of the lower slide plate 7 is unchanged.
As shown in fig. 3, the lower slide plate 7 has flanges on both sides and is connected to the digital display load cell fixing plate 15 through the flanges, for example, the digital display load cell 3 is fixed above the digital display load cell fixing plate 15 through screws.
Preferably, as shown in fig. 4, crash blocks 17, 21 are mounted on the inner side of the first transverse partition 12 and the inner side of the second transverse partition 13, respectively.
It should be understood that the digital dynamometer 3 is known in the art, and displays real-time force, peak force, and test process profiles, and may store 1000 test data, transmit data to a computer using USB, and the like.
Sample fixture is used for the medical sterilization packing of centre gripping examination awaiting measuring, and it includes: a first clamping mechanism 41 arranged on the testing device frame, and a second clamping mechanism 42 connected with the digital display dynamometer 3. Specifically, the first clamping mechanism 41 is mounted on the third transverse partition 14.
The control box 1 is electrically connected with the micro servo motor 2, can set the running speed of the motor during testing, the requirements for running and the like, and is used for driving the threaded screw rod 10. According to the preferred embodiment, as shown in fig. 5, the control box 1 and the third transverse partition 14 are connected through the first buckle 23 and the second buckle 24, and the circuit is a plug connection, so that the operation is convenient. The whole structure is simple, the dismounting is convenient, and the carrying is convenient.
As shown in fig. 1, according to the preferred embodiment, the portable medical sterilization package peel strength testing device further includes: a zero plate 18 mounted on the side of the lower slide plate 7, and a position sensor 19 mounted on the outside of the first longitudinal partition 16. When the micro servo motor 2 drives the threaded screw rod 10 to operate, the screw rod nut 9 drives the lower sliding plate 7, the dynamometer fixing plate 15 and the digital display dynamometer 3 to be away from the first clamping mechanism 41 along the screw rod direction, when the micro servo motor 2 operates to move to a set specified distance, the micro servo motor 2 starts to rotate reversely, the integral structure fixed together with the screw rod nut 9 approaches the first clamping mechanism 41 along the screw rod direction, after the zero plate 18 is contacted with the position sensor 19, the program is finished, and the micro servo motor 2 stops operating.
The working principle of the utility model is as follows: because the feed screw nut 9 is connected with the lower sliding plate 7 and is limited by the upper sliding plate 5, and the upper sliding plate 5 is parallel to the threaded feed screw 10, when the micro servo motor 2 rotates forwards or backwards, the threaded feed screw 10 is driven to rotate forwards or backwards, the feed screw nut 9 can drive the lower sliding plate 7 and the digital display dynamometer 3 to stably move leftwards or rightwards along the lengthwise direction of the threaded feed screw 10. Since the second clamping mechanism 42 is connected to the digital display load cell 3, the force exerted on the second clamping mechanism 42 is directly transmitted to the digital display load cell 3. When the peel strength is tested, two sides of the sample are respectively clamped on the first clamping mechanism 41 and the second clamping mechanism 42, and the force used for testing is displayed on the display screen of the digital display dynamometer 3 in real time.
According to the portable medical sterilization package peel strength testing device provided by the preferred embodiment, the use method is as follows:
firstly, when the peel strength of a sterilization packaging bag is tested, a sample to be tested is selected firstly, the sample is cut along the vertical direction of the sealing and ironing edge of the sterilization packaging bag, a test sample strip is cut into a specified width (according to the test requirement), the length of a proper non-sealing and ironing position is reserved (convenient to clamp), and two layers of non-ironing and bonding positions of the tested sample strip are respectively clamped on a first clamping mechanism 41 and a second clamping mechanism 42;
when a start key on the control box 1 is pressed, the micro servo motor 2 operates to drive the threaded screw rod 10 to operate, the screw rod nut 9 moves, the digital display dynamometer 3 also operates in a direction far away from the first clamping mechanism 42, the second clamping mechanism 41 pulls one side of the test sample strip, the seal ironing position is slowly stripped, and a display screen of the digital display dynamometer 3 can display real-time force, peak force and a curve in the test process;
when the tested sample is completely peeled off and moves for a specified distance (which can be set according to requirements), the micro servo motor 2 rotates reversely, the threaded screw rod 10 also rotates reversely, the screw rod nut 9 approaches the first clamping mechanism 41 until the zero plate 18 contacts the position sensor 19, the micro servo motor 2 stops operating, and the digital display dynamometer 3 also returns to the initial position before testing, so that the testing is finished.
The above embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and various changes may be made in the above embodiments of the present invention. All simple and equivalent changes and modifications made according to the claims and the content of the specification of the present application fall within the scope of the claims of the present patent application. The utility model has not been described in detail in order to avoid obscuring the utility model.
Claims (10)
1. The utility model provides a portable medical sterilization package peel strength testing arrangement which characterized in that includes:
a longitudinally extending test fixture frame;
the miniature servo motor is arranged on the testing device frame;
install in slide stretching mechanism on the testing arrangement frame includes: the testing device comprises a threaded screw rod connected with the miniature servo motor, a screw nut arranged on the threaded screw rod, a lower sliding plate connected with the upper sliding plate above the screw nut, and an upper sliding plate slidably assembled with the lower sliding plate above the lower sliding plate, wherein two ends of the upper sliding plate are fixedly connected with a testing device frame;
the digital display dynamometer is connected with the upper part of the lower sliding plate;
a sample fixture for centre gripping medical sterilization package that awaits measuring includes: the first clamping mechanism is arranged on the testing device frame, and the second clamping mechanism is connected with the digital display dynamometer;
and a control box connected with the micro servo motor;
when the threaded screw rod is driven by the micro servo motor to rotate, the screw rod nut drives the lower sliding plate to longitudinally displace on the testing device frame relative to the upper sliding plate, and simultaneously drives the digital display dynamometer to move, so that a sealing part of the medical sterilization package clamped between the first clamping mechanism and the second clamping mechanism is stripped, and the stripping strength test is realized.
2. The portable medical sterilization package peel strength testing device of claim 1, wherein the testing device rack comprises: the base is fixed on a first transverse clapboard, a second transverse clapboard and a third transverse clapboard on the base, and a first longitudinal clapboard and a second longitudinal clapboard which connect the first transverse clapboard and the second transverse clapboard at two sides.
3. The portable medical sterilization package peel strength testing device according to claim 2, wherein both ends of the upper sliding plate are respectively fixed on the first transverse partition and the second transverse partition.
4. The portable medical sterilization package peel strength testing device of claim 2, wherein two ends of the threaded lead screw are fixed on the first transverse partition and the second transverse partition through bearings.
5. The portable medical sterilization package peel strength testing device of claim 1, wherein the bottom surface of the upper slide plate has a longitudinally extending rib, and the top surface of the lower slide plate has a longitudinally extending groove, the rib being in sliding engagement with the groove.
6. The portable medical sterilization package peel strength testing device according to claim 1, wherein the two sides of the lower slide plate are provided with flanges extending upwards, and the flanges are connected with a digital display load cell fixing plate, and the digital display load cell is fixed above the digital display load cell fixing plate.
7. The portable medical sterilization package peel strength testing device according to claim 2, further comprising a zero position plate installed on a side surface of the lower sliding plate, and a position sensor installed outside the first longitudinal partition, wherein when the zero position plate contacts the position sensor, the operation procedure of the threaded screw rod is finished.
8. The peel strength testing device for the portable medical sterilization package according to claim 2, wherein an anti-collision block is respectively installed on the inner sides of the first transverse partition and the second transverse partition.
9. The portable medical sterilization package peel strength testing device of claim 2, wherein the first clamping mechanism is mounted on the third transverse partition.
10. The portable medical sterilization package peel strength testing device of claim 1, wherein the control box is connected with the testing device frame by a snap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122737860.1U CN216718157U (en) | 2021-11-10 | 2021-11-10 | Portable medical sterilization package peel strength testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122737860.1U CN216718157U (en) | 2021-11-10 | 2021-11-10 | Portable medical sterilization package peel strength testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216718157U true CN216718157U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122737860.1U Active CN216718157U (en) | 2021-11-10 | 2021-11-10 | Portable medical sterilization package peel strength testing arrangement |
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| Country | Link |
|---|---|
| CN (1) | CN216718157U (en) |
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2021
- 2021-11-10 CN CN202122737860.1U patent/CN216718157U/en active Active
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