CN215598863U - Mechanical property testing device capable of automatically stretching polymer film - Google Patents
Mechanical property testing device capable of automatically stretching polymer film Download PDFInfo
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- CN215598863U CN215598863U CN202121010791.8U CN202121010791U CN215598863U CN 215598863 U CN215598863 U CN 215598863U CN 202121010791 U CN202121010791 U CN 202121010791U CN 215598863 U CN215598863 U CN 215598863U
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Abstract
The utility model discloses a mechanical property testing device capable of automatically stretching a polymer film, which comprises: a base; the power mechanism comprises a motor, a speed reducer, a pair of lead screws and four lead screw nuts, wherein the motor and the speed reducer are sequentially assembled and mounted on the base, the pair of lead screws are mounted on the base through a bearing seat, an output shaft of the speed reducer is in linkage with the pair of lead screws through belt transmission, the thread turning directions of two sides of the middle point of each lead screw are opposite, and the four lead screw nuts are respectively and rotatably connected with four threads of the pair of lead screws; and one clamping mechanism is arranged on one lead screw nut and is provided with a clamping surface of the polymer film. The utility model can automatically stretch the polymer film, so that the polymer film is stretched and stretched, and the test process has good clamping stability.
Description
Technical Field
The utility model relates to the technical field of linseed oil production. More specifically, the utility model relates to a mechanical property testing device capable of automatically stretching a polymer film.
Background
With the development of materials science, especially the continuous development of the application of polymer films in the fields of aerospace, ships, energy storage, electronic devices, building materials, biomedicine, agriculture and the like, the research on the mechanical properties of polymer films is very important. Measure the polymer film and need adopt mechanical properties testing arrangement, current device adopts lever anchor clamps usually, is difficult to the installation, and can not automatic stretching polymer film, and stretching process holds to make present polymer film take off the clamp, leads to unable satisfying test requirement, reduces the test success rate.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The utility model also aims to provide a mechanical property testing device capable of automatically stretching the polymer film, which can automatically stretch the polymer film to ensure that the polymer film is stretched and stretched, and has good clamping stability in the testing process.
To achieve these objects and other advantages and in accordance with the purpose of the utility model, there is provided a mechanical property testing apparatus capable of automatically stretching a polymer film, comprising:
a base;
the power mechanism comprises a motor, a speed reducer, a pair of lead screws and four lead screw nuts, wherein the motor and the speed reducer are sequentially assembled and mounted on the base, the pair of lead screws are mounted on the base through a bearing seat, an output shaft of the speed reducer is in linkage with the pair of lead screws through belt transmission, the thread turning directions of two sides of the middle point of each lead screw are opposite, and the four lead screw nuts are respectively and rotatably connected with four threads of the pair of lead screws;
and one clamping mechanism is arranged on one lead screw nut and is provided with a clamping surface of the polymer film.
Preferably, the clamping mechanism includes:
the lower clamping part is fixedly connected with the screw nut at one end and provided with a pair of lower extension plates, and the lower extension plates are provided with lower through holes;
the upper clamping part is hinged to the screw nut at one end and provided with a pair of upper extension plates, the upper extension plates are provided with upper through holes, and the lower clamping part and the upper clamping part form a clamping surface when being buckled;
and the connecting pieces comprise high-strength bolts and high-strength nuts which penetrate through the lower through holes and the upper through holes and are bolted.
Preferably, the clamping surface is provided with a mortise and tenon structure.
Preferably, the mortise and tenon structure is a linear concave part and a linear convex part.
Preferably, the linear concave part and the linear convex part are in a zigzag engagement structure.
Preferably, the tenon-and-mortise structures are respectively adhered with anti-slip rubber pads.
Preferably, the method further comprises the following steps:
the pair of guide sliding chutes are symmetrically arranged on the base and are positioned under the pair of screw rods;
four sliders, a slider is installed in a screw nut bottom, and four sliders are two-by-two slidable mounting in a pair of direction spout.
Preferably, the method further comprises the following steps:
the covering body is arranged on the base, the top of the covering body is provided with a door, and the covering body is hermetically covered with the power mechanism and the clamping mechanism;
the heat source, the light source and the air source are used for adjusting the testing environment of the covering body.
Preferably, the cover body is provided with an observation window.
Preferably, the cover body is provided with a pressure relief hole, and the pressure relief hole is provided with a high-pressure-resistant rubber plug.
The utility model at least comprises the following beneficial effects:
firstly, the power mechanism is arranged on the base and matched with the clamping mechanism, and the reverse threads are arranged on the lead screw in pairs and are respectively in threaded connection with the lead screw nut, so that the automatic stretching of the high polymer film driven by the motor is realized, the high polymer film is stretched and stretched, and the testing process has good clamping stability;
secondly, the base acts as an installation and fixing component, the motor and the reducer are sequentially assembled, so that the movement of the four screw nuts is more uniform and is easy to control, the linkage of the four screw nuts is realized through belt transmission, and the linkage can also be realized through a gear meshing mode, for example, an output shaft of the reducer is provided with a driving wheel, a pair of driven wheels with the same screw rod configuration specification ensure that the pair of screw rods rotate at the same direction and the same speed, the threads of the screw rods are provided with reverse threads in pairs, so that the front and the rear screw nuts are close to or far away from each other in the rotating process, the stretching of the polymer film is realized, and the clamping mechanism is used for clamping the polymer film to fix the polymer film and prevent the polymer film from falling off;
thirdly, the lower clamping part is fixed, the upper clamping part rotates, clamping and replacement are carried out during buckling and separation, rapid operation during large-batch test operation is facilitated, the connecting piece is matched with the high-strength nut through the high-strength bolt, the high-strength bolt and the high-strength nut, the high-polymer film is prevented from falling off, and normal test is guaranteed; the contact area between the tenon-and-mortise structure and the polymer film is increased by arranging the tenon-and-mortise structure, and the tenon-and-mortise structure and the polymer film are tightly attached by a tortuous path; the linear concave part and the linear convex part are arranged, so that the die is convenient to form, and the extrusion effect is further increased; the polymer film is firmly attached and does not fall off in the continuous tensioning process by arranging the zigzag occlusion structure; the friction force is increased by arranging the anti-skid rubber pad, and meanwhile, the polymer film is protected from being scratched by edges and corners; the guide sliding groove is arranged to pull the lead screw nut to move forwards and backwards, so that the lead screw nut is ensured to move stably;
fourthly, the covering body can be selected as a box body structure, is heat-insulating and light-proof, realizes the replacement of a high polymer film by arranging a door, realizes that a sealed space is used for adjusting the testing environment, for example, an electric heating wire is matched with a temperature sensor to adjust the temperature to test the mechanical property at various temperatures, an infrared light source and an ultraviolet light source are irradiated to adjust the illumination to test the mechanical property at various illumination, a steel gas cylinder is matched with an air pressure sensor to adjust the air pressure to test the mechanical property at different oxygen contents, and realizes the mechanical property test of the high polymer film under the self-defined external field condition and the stretching method by applying various conditions; the observation window is convenient for monitoring operation of workers; the pressure relief hole is matched with a high-pressure resistant rubber plug to realize air exchange and pressure reduction.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
fig. 2 is an enlarged schematic view of a clamping mechanism according to an embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terms "lateral," "longitudinal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and to simplify the 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 construed as limiting the utility model.
As shown in fig. 1-2, the present invention provides a mechanical property testing device capable of automatically stretching a polymer film, comprising:
a base 1;
the power mechanism comprises a motor 2, a speed reducer 3, a pair of lead screws 4 and four lead screw nuts 5, wherein the motor 2 and the speed reducer 3 are sequentially assembled and mounted on the base 1, the pair of lead screws 4 are mounted on the base 1 through a bearing seat, an output shaft of the speed reducer 3 is in linkage with the pair of lead screws 4 through belt transmission, the thread turning directions of two sides of the middle point of each lead screw 4 are opposite, and the four lead screw nuts 5 are respectively and rotatably connected with four threads of the pair of lead screws 4;
four fixture 6, a fixture 6 is installed in a screw nut 5, fixture 6 has the clamping face of polymer film.
In above-mentioned technical scheme, through set up power unit and fixture 6 cooperation on base 1, through set up reverse screw in pairs on lead screw 4 respectively with 5 spiro union of screw nut, realize the automatic tensile polymer film of motor 2 drive, make the polymer film stretch out and draw, the test procedure has good centre gripping stability.
In another solution, the clamping mechanism 6 comprises:
a lower clamping portion, one end of which is fixedly connected to the screw nut 5, the lower clamping portion having a pair of lower extension plates, the lower extension plates having lower through holes;
the upper clamping part is hinged to the screw nut 5 at one end and provided with a pair of upper extension plates, the upper extension plates are provided with upper through holes, and the lower clamping part and the upper clamping part form a clamping surface when being buckled;
and the connecting pieces comprise high-strength bolts and high-strength nuts which penetrate through the lower through holes and the upper through holes and are bolted.
In above-mentioned technical scheme, the lower clamping part is fixed, the upper clamping part rotates, and the centre gripping is changed during the lock, the quick operation when separating, the big batch test operation of being convenient for, and the connecting piece adopts high strength bolt and the cooperation of high strength nut, realizes the two fastening connection, avoids droing of polymer film, guarantees that the test normally goes on.
In another technical scheme, the clamping surface is provided with a mortise and tenon structure. Through setting up the area of contact of tenon fourth of twelve earthly branches structure increase and polymer film, the tortuous path makes the two closely laminate.
In another technical scheme, the mortise and tenon structure comprises linear concave parts and linear convex parts. The linear concave part and the linear convex part are arranged, so that the die forming is facilitated, and the extrusion effect is further increased.
In another technical scheme, the linear concave parts and the linear convex parts are in a sawtooth-shaped meshing structure. The firm attachment of the polymer film in the continuous tensioning process is ensured not to fall off by arranging the zigzag occlusion structure.
In another technical scheme, anti-slip rubber pads are respectively adhered to the mortise and tenon structures. Through setting up anti-skidding rubber pad increase frictional force, protect the polymer film not by the edges and corners fish tail simultaneously.
In another technical solution, the method further comprises:
the pair of guide sliding chutes are symmetrically arranged on the base 1 and are positioned under the pair of screw rods 4;
four sliders, a slider is installed in 5 bottoms of a screw nut, and four sliders are two-by-two slidable mounting in a pair of direction spout.
The lead screw nut 5 is pulled to move forwards and backwards through the guide sliding groove, so that the lead screw nut 5 is ensured to move stably.
In another technical solution, the method further comprises:
the covering body is arranged on the base 1, the top of the covering body is provided with a door, and the covering body is hermetically covered with the power mechanism and the clamping mechanism 6;
the heat source, the light source and the air source are used for adjusting the testing environment of the covering body.
In the technical scheme, the cover body can be selected as a box body structure, the heat preservation, the heat insulation and the light tightness are realized, the replacement of the polymer film is realized by arranging a door, and the sealed space is used for adjusting the test environment, for example, an electric heating wire is matched with a temperature sensor to adjust the temperature to test the mechanical property at various temperatures, an infrared light source and an ultraviolet light source are irradiated to adjust the illumination to test the mechanical property at various illuminations, a steel gas cylinder is matched with an air pressure sensor to adjust the air pressure to test the mechanical property at different oxygen contents, and the mechanical property test of the polymer film under the self-defined external field condition and the stretching method is realized by applying various conditions.
In another technical scheme, the covering body is provided with an observation window. The observation window is convenient for the staff to monitor the operation.
In another technical scheme, the cover body is equipped with the relief pressure hole, the relief pressure hole has high pressure resistant rubber buffer. The pressure relief hole is matched with a high-pressure resistant rubber plug to realize air exchange and pressure reduction.
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. Can automatic tensile polymer film's mechanical properties testing arrangement, its characterized in that includes:
a base;
the power mechanism comprises a motor, a speed reducer, a pair of lead screws and four lead screw nuts, wherein the motor and the speed reducer are sequentially assembled and mounted on the base, the pair of lead screws are mounted on the base through a bearing seat, an output shaft of the speed reducer is in linkage with the pair of lead screws through belt transmission, the thread turning directions of two sides of the middle point of each lead screw are opposite, and the four lead screw nuts are respectively and rotatably connected with four threads of the pair of lead screws;
and one clamping mechanism is arranged on one lead screw nut and is provided with a clamping surface of the polymer film.
2. The mechanical property testing device capable of automatically stretching the polymer film according to claim 1, wherein the holding mechanism comprises:
the lower clamping part is fixedly connected with the screw nut at one end and provided with a pair of lower extension plates, and the lower extension plates are provided with lower through holes;
the upper clamping part is hinged to the screw nut at one end and provided with a pair of upper extension plates, the upper extension plates are provided with upper through holes, and the lower clamping part and the upper clamping part form a clamping surface when being buckled;
and the connecting pieces comprise high-strength bolts and high-strength nuts which penetrate through the lower through holes and the upper through holes and are bolted.
3. The mechanical property testing device capable of automatically stretching the polymer film according to claim 2, wherein the clamping surface is provided with a mortise and tenon structure.
4. The mechanical property testing device capable of automatically stretching the polymer film according to claim 3, wherein the mortise and tenon structure is a linear concave part and a linear convex part.
5. The mechanical property testing device capable of automatically stretching the polymer film according to claim 4, wherein the linear concave portions and the linear convex portions have a saw-toothed engagement structure.
6. The device for testing the mechanical property of the automatically stretchable polymer film according to any one of claims 3 to 5, wherein the tenon-and-mortise structures are respectively adhered with an anti-slip rubber pad.
7. The mechanical property testing device capable of automatically stretching the polymer film according to claim 1, further comprising:
the pair of guide sliding chutes are symmetrically arranged on the base and are positioned under the pair of screw rods;
four sliders, a slider is installed in a screw nut bottom, and four sliders are two-by-two slidable mounting in a pair of direction spout.
8. The mechanical property testing device capable of automatically stretching the polymer film according to claim 1, further comprising:
the covering body is arranged on the base, the top of the covering body is provided with a door, and the covering body is hermetically covered with the power mechanism and the clamping mechanism;
the heat source, the light source and the air source are used for adjusting the testing environment of the covering body.
9. A mechanical properties testing device of an automatically stretchable polymer film according to claim 8, wherein the cover body is provided with an observation window.
10. A mechanical property testing device capable of automatically stretching polymer film according to claim 8, wherein said covering body is provided with a pressure relief hole, and said pressure relief hole is provided with a high pressure resistant rubber plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121010791.8U CN215598863U (en) | 2021-05-12 | 2021-05-12 | Mechanical property testing device capable of automatically stretching polymer film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121010791.8U CN215598863U (en) | 2021-05-12 | 2021-05-12 | Mechanical property testing device capable of automatically stretching polymer film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215598863U true CN215598863U (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121010791.8U Active CN215598863U (en) | 2021-05-12 | 2021-05-12 | Mechanical property testing device capable of automatically stretching polymer film |
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|---|---|
| CN (1) | CN215598863U (en) |
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2021
- 2021-05-12 CN CN202121010791.8U patent/CN215598863U/en active Active
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