CN220207304U - Portable polaroid PVA film tensile test device - Google Patents
Portable polaroid PVA film tensile test device Download PDFInfo
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- CN220207304U CN220207304U CN202321638936.8U CN202321638936U CN220207304U CN 220207304 U CN220207304 U CN 220207304U CN 202321638936 U CN202321638936 U CN 202321638936U CN 220207304 U CN220207304 U CN 220207304U
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- 238000009864 tensile test Methods 0.000 title claims abstract description 16
- 238000002474 experimental method Methods 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 31
- 230000000903 blocking effect Effects 0.000 claims abstract description 26
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 239000012528 membrane Substances 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 abstract description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 description 42
- 229920002451 polyvinyl alcohol Polymers 0.000 description 42
- 230000000694 effects Effects 0.000 description 15
- 238000005457 optimization Methods 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 3
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a portable polaroid PVA film stretching experiment testing device, which belongs to the technical field of polaroid PVA film stretching experiments, and the technical scheme is characterized by comprising a desktop portable film stretching experiment machine base, a control button, a display screen, stretching arms, a stretching seat and two clamping blocks, wherein protection plates are arranged on two sides of each stretching arm, blocking mechanisms are arranged on the front side of each left protection plate, and the number of the blocking mechanisms is a plurality of; the problem of current portable membrane material tensile testing machine of most desktop does not possess protective structure, when carrying out tensile experiment to PVA membrane material, can exist the PVA membrane material and take place cracked condition, cracked PVA membrane material can rebound to the display screen surface and strike the display screen, leads to the display screen cracked easily, or rebound to the control button top, causes the maloperation to the control button, influences the tensile testing machine normal work of portable membrane material of desktop to influence the result of use is solved.
Description
Technical Field
The utility model relates to the technical field of stretching experiments of PVA (polyvinyl alcohol) film materials of polaroids, in particular to a portable testing device for stretching experiments of PVA film materials of polaroids.
Background
The polaroid is one of upstream key materials in the electronic display industry, is essentially a composite film and is mainly formed by compositing a PVA film, a TAC film, a pressure-sensitive adhesive, a release film, a protective film and the like, wherein the PVA film is a core material for realizing a polarizing function, determines key optical indexes such as polarizing performance, transmittance, color tone and the like of the polaroid, and a desktop type portable film stretching experiment machine is needed when the PVA film is subjected to stretching experiments.
At present, chinese patent with publication number CN213337100U discloses a film tensile test fixture, which comprises a base, the lower extreme surface of base is provided with the support stake, the upper end surface of base is provided with fixed establishment, second support column and control box, fixed establishment is located the front end of second support column, the control box is located one side of fixed establishment, the upper end surface of second support column is provided with first support column, quick reverse installation mechanism includes first mounting bolt, second mounting bolt, first reverse board, semicircle bearing and second reverse board, first mounting bolt is located one side of second reverse board, second mounting bolt is located one side of first reverse board, semicircle bearing is located between first reverse board and the second reverse board, this film tensile test fixture, when carrying out film tensile test, make convenient storage, and convenient advantage such as fixed film bring better application prospect.
Most of the conventional desktop type portable film stretching experiment machines are not provided with protective structures, when stretching experiments are carried out on PVA film, the situation that the PVA film breaks exists, the broken PVA film can rebound to the surface of a display screen to impact the display screen, the display screen is easy to crack, or rebound to the top of a control button, misoperation is caused on the control button, and normal operation of the desktop type portable film stretching experiment machine is affected.
Disclosure of Invention
The utility model provides a portable polaroid PVA film stretching experiment testing device, which aims to solve the problems that most of the conventional desktop portable film stretching experiment machines are not provided with a protective structure, when the PVA film is subjected to stretching experiments, the PVA film is broken, the broken PVA film can rebound to the surface of a display screen to impact the display screen, so that the display screen is easy to crack, or rebound to the top of a control button, misoperation is caused to the control button, and the normal work of the desktop portable film stretching experiment machine is influenced, so that the use effect is influenced.
The utility model discloses a portable polaroid PVA film stretching experiment testing device, which comprises a desktop portable film stretching experiment machine base, a control button, a display screen, stretching arms, stretching seats and two clamping blocks, wherein the two sides of each stretching arm are respectively provided with a protection plate, the front side of each left protection plate is provided with a blocking mechanism, and the number of the blocking mechanisms is a plurality of;
the blocking mechanism comprises a fixed column, a rotary column and a blocking plate, wherein the rear side of the fixed column is fixedly connected with the front side of the blocking plate, the rear side of the rotary column is fixedly connected with the front side of the left protection plate, and the blocking plate is rotationally connected to the surface of the rotary column.
In order to achieve the effect of connecting the baffle plate with the left side protection plate, the portable polaroid PVA film tensile test device is preferably adopted, a first magnet is embedded in the left side protection plate, and the front side of the first magnet and the rear side of the baffle plate are magnetized.
In order to achieve the effect of facilitating the movement of the protection plates, the portable polaroid PVA film stretching experiment testing device is preferable in the utility model, sliding grooves are formed in the top and the bottom of two sides of the stretching arm, sliding blocks are fixedly connected to one opposite sides of the two protection plates, and one side, close to the sliding grooves, of each sliding block extends to the inside of the corresponding sliding groove and is movably connected with the inside of the corresponding sliding groove.
In order to achieve the effect of avoiding separation of the protection plate and the stretching arm, the portable polaroid PVA film stretching experiment testing device is preferably adopted, a limiting groove is formed in the sliding groove, a limiting block is fixedly connected to the bottom of the sliding block, and the bottom of the sliding block extends to the inside of the limiting groove and is movably connected with the inside of the limiting groove.
In order to achieve the effect of limiting the protection plates, the portable polaroid PVA film stretching experiment testing device is preferable in the utility model, the opposite sides of the two protection plates are embedded with second magnets, the top of the base of the desktop portable film stretching experiment machine is fixedly connected with a fixed block, and one side, close to the fixed block, of the second magnets is magnetically attracted with the fixed block.
In order to achieve the effect of limiting the baffle, the portable polaroid PVA film tensile test device is preferably provided with the clamping blocks fixedly connected to the front side of the right protection plate, wherein the number of the clamping blocks is a plurality.
In order to achieve the effect of conveniently pulling the protection plates, the portable polaroid PVA film tensile test device is preferably provided with the handles fixedly connected to opposite sides of the two protection plates.
In order to achieve the effect of reducing the weight of the protection plate, the portable polaroid PVA film tensile test device is preferably selected from ABS plastic.
Compared with the prior art, the utility model has the beneficial effects that:
this portable polaroid PVA film tensile test testing arrangement, through pulling two guard plates forward to second magnet and fixed block looks magnetism and inhale, can carry out spacingly to the guard plate, then rotate the baffle as to the surface contact of fixture block, the cracked PVA film material blocks when the baffle can tensile experiment, avoid cracked PVA film material to pop out from between two guard plates, the guard plate can avoid cracked PVA film material to kick-back to contact with display screen and control button, can avoid present when carrying out tensile experiment to PVA film material, cracked PVA film material can kick-back to the display screen surface and strike the display screen, lead to the display screen cracked easily, or kick-back to the control button top, cause the maloperation to the control button, influence the problem of the normal work of desktop portable film material tensile experiment machine.
Drawings
FIG. 1 is a diagram showing the overall structure of a portable testing device for stretching experiments of a PVA film of a polarizer according to the present utility model;
FIG. 2 is a schematic perspective view of the connection of the stretching arms and the stretching seat in the present utility model;
FIG. 3 is an exploded perspective view of the blocking mechanism of the present utility model;
FIG. 4 is an enlarged view of a portion of the utility model at A in FIG. 1;
FIG. 5 is a schematic perspective view of the connection of the slider and the shield plate according to the present utility model;
FIG. 6 is a schematic view showing the three-dimensional connection of the protection plate and the second magnet in the present utility model;
fig. 7 is a schematic perspective view illustrating the connection between the protection plate and the clamping block in the present utility model.
In the figure, 1, a desktop type portable film stretching experiment machine base; 2. a control knob; 3. a display screen; 4. a stretching arm; 5. a protection plate; 6. a handle; 7. a stretching seat; 8. a clamping block; 9. a blocking mechanism; 901. fixing the column; 902. a rotating column; 903. a baffle; 10. a chute; 11. a limit groove; 12. a slide block; 13. a limiting block; 14. a clamping block; 15. a fixed block; 16. a second magnet; 17. a first magnet.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-7, the present utility model provides the following technical solutions: the portable polaroid PVA film stretching experiment testing device comprises a desktop portable film stretching experiment machine base 1, a control button 2, a display screen 3, a stretching arm 4, a stretching seat 7 and two clamping blocks 8, wherein protection plates 5 are arranged on two sides of the stretching arm 4, blocking mechanisms 9 are arranged on the front side of the left protection plate 5, and the number of the blocking mechanisms 9 is a plurality;
the blocking mechanism 9 comprises a fixed column 901, a rotary column 902 and a blocking plate 903, wherein the rear side of the fixed column 901 is fixedly connected with the front side of the blocking plate 903, the rear side of the rotary column 902 is fixedly connected with the front side of the left protection plate 5, and the blocking plate 903 is rotatably connected to the surface of the rotary column 902.
In this embodiment: through pulling two guard plates 5 forward to second magnet 16 and fixed block 15 looks magnetism, can carry out spacingly to guard plate 5, then rotate the surface contact of being as to fixture block 14 with the block 903, cracked PVA membrane material is stopped when the block 903 can tensile experiment, avoid cracked PVA membrane material to pop out from between two guard plates 5, guard plate 5 can avoid cracked PVA membrane material to kick-back to contact with display screen 3 and control button 2, can avoid current when carrying out tensile experiment to PVA membrane material, cracked PVA membrane material can kick-back to the display screen 3 surface and strike the display screen 3, lead to the display screen 3 cracked easily, or kick-back to control button 2 top, cause the maloperation to control button 2, influence the problem of desktop portable membrane material tensile experiment machine normal work.
As a technical optimization scheme of the utility model, the first magnet 17 is embedded in the left protection plate 5, and the front side of the first magnet 17 and the rear side of the blocking plate 903 are magnetized.
In this embodiment: through rotating the barrier 903 to magnetically attract the first magnet 17, the barrier 903 and the left protection plate 5 can be connected, and the effect of connecting the barrier 903 and the left protection plate 5 is achieved.
As a technical optimization scheme of the utility model, sliding grooves 10 are formed in the top and the bottom of two sides of the stretching arm 4, sliding blocks 12 are fixedly connected to the opposite sides of the two protection plates 5, and one side, close to the sliding grooves 10, of each sliding block 12 extends to the inside of the sliding groove 10 and is movably connected with the inside of the sliding groove 10.
In this embodiment: the guard plate 5 slides in the chute 10 through the sliding block 12, so that the guard plate 5 can move forwards, and the effect of facilitating the movement of the guard plate 5 is achieved.
As a technical optimization scheme of the utility model, a limiting groove 11 is formed in the chute 10, a limiting block 13 is fixedly connected to the bottom of the sliding block 12, and the bottom of the sliding block 12 extends to the inside of the limiting groove 11 and is movably connected with the inside of the limiting groove 11.
In this embodiment: when the sliding block 12 moves to the inside of the sliding groove 10, the limiting block 13 slides in the limiting groove 11, the limiting block 13 can limit the sliding block 12, and the sliding block 12 is prevented from being separated from the sliding groove 10, so that the protection plate 5 is prevented from being separated from the stretching arm 4, and the effect of preventing the protection plate 5 from being separated from the stretching arm 4 is achieved.
As a technical optimization scheme of the utility model, the opposite sides of the two protection plates 5 are embedded with the second magnets 16, the top of the base 1 of the desktop portable film stretching experiment machine is fixedly connected with the fixed block 15, and one side of the second magnets 16 close to the fixed block 15 is magnetically attracted with the fixed block 15.
In this embodiment: through pulling guard plate 5 forward to second magnet 16 and fixed block 15 looks magnetism inhale, can carry out spacingly to guard plate 5 this moment, reached and carried out spacing effect to guard plate 5.
As a technical optimization scheme of the utility model, the front side of the right protection plate 5 is fixedly connected with a plurality of clamping blocks 14, and the number of the clamping blocks 14 is a plurality.
In this embodiment: by rotating the blocking plate 903 to contact with the surface of the clamping block 14, the clamping block 14 can limit the blocking plate 903 at this time, so that the effect of limiting the blocking plate 903 is achieved.
As a technical optimization scheme of the utility model, handles 6 are fixedly connected to opposite sides of the two protection plates 5.
In this embodiment: through handheld handle 6, with the pulling forward of handle 6, can make guard plate 5 remove forward, reached the effect of conveniently pulling guard plate 5.
As a technical optimization scheme of the utility model, the material of the protection plate 5 is ABS plastic.
In this embodiment: because the material of guard plate 5 is ABS plastics, can also alleviate the weight of guard plate 5 under the intensity prerequisite of guard plate 5, do not influence the portability of desktop portable membrane material tensile testing machine, conveniently carry desktop portable membrane material tensile testing machine, reached the effect that alleviates guard plate 5 weight.
Working principle: firstly, the base 1 of the desktop type portable film stretching experiment machine is moved to the top of a workbench for placement, when the base 1 of the desktop type portable film stretching experiment machine is required to be moved, the base 1 of the desktop type portable film stretching experiment machine is moved to achieve the purpose of portability, then the PVA film is connected with the clamping blocks 8, before the PVA film is subjected to stretching test, the handle 6 is held by hand, the handle 6 is pulled forwards, the protection plate 5 is enabled to move forwards, the protection plate 5 slides in the chute 10 through the sliding blocks 12, the protection plate 5 can move forwards, when the sliding blocks 12 move in the chute 10, the limiting blocks 13 slide in the limiting grooves 11, the limiting blocks 13 limit the sliding blocks 12, the sliding blocks 12 are prevented from being separated from the chute 10, the protection plate 5 is prevented from being separated from the stretching arms 4, the protection plate 5 is pulled forwards until the second magnet 16 is magnetically attracted with the fixing blocks 15, at this time, the protection plate 5 can be limited, then the fixing column 901 is held by hand, the fixing column 901 can be moved to drive the baffle 903 to rotate, the baffle 903 is connected to the surface of the rotating column 902 through rotation, so that the baffle 903 can rotate to be in contact with the surface of the clamping block 14, the clamping block 14 can limit the baffle 903 at this time, the baffle 903 can block the broken PVA film material in the stretching experiment, the broken PVA film material is prevented from being popped out from between the two protection plates 5, the protection plate 5 can prevent the broken PVA film material from rebounding to be in contact with the display screen 3 and the control button 2, the condition that the broken PVA film material exists in the stretching experiment of the PVA film material can be prevented from being rebounded to the surface of the display screen 3 to impact the display screen 3, the display screen 3 is easy to crack, or rebounds to the top of the control button 2, misoperation is caused to the control button 2, and the problem that the normal work of the desktop type portable film stretching experiment machine is influenced is solved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. The utility model provides a portable polaroid PVA membrane material tensile test testing device, includes portable membrane material tensile test machine base of desktop (1), control button (2), display screen (3), stretching arm (4), stretching seat (7) and two grip blocks (8), its characterized in that: the two sides of the stretching arm (4) are provided with protection plates (5), the front side of the left protection plate (5) is provided with blocking mechanisms (9), and the number of the blocking mechanisms (9) is a plurality;
the blocking mechanism (9) comprises a fixed column (901), a rotating column (902) and a blocking plate (903), wherein the rear side of the fixed column (901) is fixedly connected with the front side of the blocking plate (903), the rear side of the rotating column (902) is fixedly connected with the front side of a left protection plate (5), and the blocking plate (903) is rotationally connected to the surface of the rotating column (902).
2. The portable testing device for stretching experiments of PVA film of polarizer according to claim 1, wherein: the inside of left side guard plate (5) is inlayed and is had first magnet (17), the front side of first magnet (17) is inhaled mutually with the rear side of barrate (903) magnetism.
3. The portable testing device for stretching experiments of PVA film of polarizer according to claim 1, wherein: sliding grooves (10) are formed in the top and the bottom of two sides of the stretching arm (4), sliding blocks (12) are fixedly connected to one sides, opposite to the two protection plates (5), of the sliding blocks (12), and one side, close to the sliding grooves (10), of the sliding blocks (12) extends to the inside of the sliding grooves (10) and is movably connected with the inside of the sliding grooves (10).
4. A portable testing device for stretching experiments of PVA film of polarizer according to claim 3, wherein: the sliding chute is characterized in that a limiting groove (11) is formed in the sliding chute (10), a limiting block (13) is fixedly connected to the bottom of the sliding block (12), and the bottom of the sliding block (12) extends to the inside of the limiting groove (11) and is movably connected with the inside of the limiting groove (11).
5. The portable testing device for stretching experiments of PVA film of polarizer according to claim 1, wherein: the second magnets (16) are embedded in one sides of the two protection plates (5) opposite to each other, a fixed block (15) is fixedly connected to the top of the base (1) of the desktop portable film stretching experiment machine, and one side, close to the fixed block (15), of each second magnet (16) is magnetically attracted with the fixed block (15).
6. The portable testing device for stretching experiments of PVA film of polarizer according to claim 1, wherein: the front side of the right side protection plate (5) is fixedly connected with clamping blocks (14), and the number of the clamping blocks (14) is a plurality of.
7. The portable testing device for stretching experiments of PVA film of polarizer according to claim 1, wherein: the opposite sides of the two protection plates (5) are fixedly connected with a handle (6).
8. The portable testing device for stretching experiments of PVA film of polarizer according to claim 1, wherein: the protection plate (5) is made of ABS plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321638936.8U CN220207304U (en) | 2023-06-27 | 2023-06-27 | Portable polaroid PVA film tensile test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321638936.8U CN220207304U (en) | 2023-06-27 | 2023-06-27 | Portable polaroid PVA film tensile test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220207304U true CN220207304U (en) | 2023-12-19 |
Family
ID=89146628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321638936.8U Active CN220207304U (en) | 2023-06-27 | 2023-06-27 | Portable polaroid PVA film tensile test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220207304U (en) |
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2023
- 2023-06-27 CN CN202321638936.8U patent/CN220207304U/en active Active
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