CN214844541U - Bending fatigue testing mechanism - Google Patents
Bending fatigue testing mechanism Download PDFInfo
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- CN214844541U CN214844541U CN202120583996.9U CN202120583996U CN214844541U CN 214844541 U CN214844541 U CN 214844541U CN 202120583996 U CN202120583996 U CN 202120583996U CN 214844541 U CN214844541 U CN 214844541U
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Abstract
The utility model provides a fatigue test mechanism bends, including base, rotary mechanism and moving mechanism, rotary mechanism is equipped with rotatory microscope carrier, rotatory microscope carrier is including the board and the location platform of bending, be equipped with the locating plate on the location platform, the connection can be dismantled to the board and the locating plate of bending, still be equipped with pressure strip one on the board of bending, and bend outside extension of board one side, be equipped with on the moving mechanism and remove microscope carrier and mobile device one, the removal of moving device one drive removal microscope carrier is controlled, be equipped with pressure strip two on the removal microscope carrier, be connected with force transducer between removal microscope carrier and the mobile device one. The utility model relates to a fatigue test mechanism bends, simple structure, it is convenient to adjust the displacement, and the operation is stable, can carry out the test of many curvatures degree to the work piece simultaneously.
Description
Technical Field
The utility model relates to a technical field of OLED screen test of bending, in particular to fatigue test mechanism bends.
Background
The liquid crystal display technology has been changed from the LCD hard screen to the OLED flexible screen. The flexible OLED screen is popular, not only is low in power consumption and high in display effect brought, but also is flexible due to larger revolutionary improvement, so that the basic idea of a display screen for human is changed, the display screen is not planar display any more, and all-directional flexible display can be realized at all angles. In the initial stage of flexible display development and starting, the acquisition of various physical parameters after bending is greatly helpful for the cognition and later promotion of the whole product.
The bending test equipment for the OLED flexible screen has been developed at present, can be used for bending test on the OLED flexible screen, is stable in test and good in effect, but the existing test equipment for the OLED flexible screen is complex in structure and high in cost, and meanwhile, a relative stage mechanism is easy to crash in the moving process, so that the equipment is unstable in operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a fatigue test mechanism bends, simple structure, it is convenient to adjust the displacement, and the operation is stable, can carry out the test of many curvatures degree to the work piece simultaneously.
For realizing the above-mentioned purpose, the utility model provides a fatigue test mechanism bends, including base, rotary mechanism and moving mechanism, rotary mechanism is equipped with rotatory microscope carrier, rotatory microscope carrier is including the board and the location platform of bending, be equipped with the locating plate on the location platform, the connection can be dismantled to the board and the locating plate of bending, still be equipped with pressure strip one on the board of bending, and bend outside extension of board one side, be equipped with removal microscope carrier and mobile device one on the moving mechanism, the removal about the microscope carrier is removed in the drive of mobile device one, be equipped with pressure strip two on the removal microscope carrier, be connected with force sensor between removal microscope carrier and the mobile device one.
The stable bending test of the tool is realized through the mutual matching action of the rotating mechanism and the moving mechanism; the bending plates are detachable, so that the bending plates with different curvatures can be installed, and the service life of the workpiece with different curvatures can be tested; tension in the bending testing process of the workpiece is effectively controlled by the tension sensor.
Preferably, the moving mechanism further comprises a moving device II and a moving carriage, wherein a guide rail I is arranged on each of two sides of the moving carriage, the moving device I is fixed on the guide rail I through a sliding block, the moving device II drives the moving carriage to move left and right, guide rails II are arranged on two sides of the base, and the moving carriage is fixed on the guide rail II through the sliding block; through the mutual cooperation of the first mobile device and the second mobile device, the moving safety distance is increased, the distance adjustment is more flexible and accurate, the mutual collision of the rotary carrying platform and the moving mechanism is avoided, and the operation stability is improved.
Preferably, the moving mechanism further comprises a first limiting block, and the first limiting block is positioned on the first guide rail and positioned at two ends of one side of the fixed tray; the first limiting block can limit the movement of the fixed tray, the movement range is controlled, and the measurement accuracy is improved.
Preferably, the first limiting block is provided with a first anti-collision block; the fixed tray is prevented from being damaged due to contact collision with the limiting block, and the fixed tray is protected to a certain extent.
Preferably, the moving mechanism further comprises a second limiting block, and the second limiting block is positioned on the second guide rail and is positioned on one side of the moving carriage; and limiting the moving carriage.
Preferably, the second limiting block is provided with a second anti-collision block; the damage caused by the contact collision of the moving carriage and the limiting block II is avoided, and the moving carriage is protected to a certain extent.
Preferably, the rotating carrying platform is also provided with a steel ruler, and two ends of the steel ruler are respectively positioned on the bending plate and the positioning plate; the workpiece can be accurately positioned by arranging the steel ruler, and the position of fatigue to be tested is found.
Preferably, the rotating carrying platform is further provided with a limiting strip, and the limiting strip can be fixed or moved on the positioning plate; through setting up spacing, can effectively fix a position the work piece, prevent the removal of work piece.
Preferably, the base is further provided with a baffle plate, and the baffle plate is positioned on one side of the rotating carrying platform; the arrangement of the baffle plate protects the operator, prevents the operator from being injured due to touching the rotary carrying platform during working, and provides favorable conditions for the stable operation of the device.
The utility model has the advantages that: the utility model has the advantages that the two groups of moving mechanisms are arranged, the safe distance during moving is increased, the collision between the rotary carrying platform and the moving mechanism during moving is avoided, and the moving process is safer; meanwhile, the structure is simple, and the cost is reduced; the arrangement of the limiting block limits the movement of the moving mechanism, controls the moving distance and improves the moving accuracy; the arranged anti-collision block protects the component and prolongs the service life.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is a front view of an embodiment of the present invention.
Fig. 3 is an exploded view of the present invention.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
In the figure: 1-base, 2-rotating carrying platform, 3-rotating device, 21-first bending plate, 22-positioning platform, 221-first positioning plate, 23-first pressing plate, 222-fastening component, 24-steel ruler, 25-limiting strip, 31-rotating bracket, 32-speed reducer, 33-first servo motor, 4-moving carrying platform, 5-first moving device, 6-second moving device, 51-second servo motor, 52-first screw rod, 53-first nut, 54-fixed tray, 61-third servo motor, 62-second screw rod, 63-second nut, 64-moving supporting plate, 11-second guide rail, 641-first guide rail, 41-second bending plate, 42-second positioning plate, 43-second pressing plate, 7-tension sensor, 642-a first limit block, 643-a first anti-collision block, 111-a second limit block, 112-a second anti-collision block, 8-a tension controller and 12-a baffle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 to 4, the present embodiment provides a bending fatigue testing mechanism, which includes a base 1, a rotating mechanism and a moving mechanism, wherein the rotating mechanism is disposed on one side of the base 1, the moving mechanism is disposed on the other side of the base 1,
the rotating mechanism comprises a rotating carrier 2 and a rotating device 3, the rotating device 3 drives the rotating carrier 2 to rotate,
the rotating carrying platform 2 comprises a first bending plate 21 and a positioning platform 22, a first positioning plate 221 is arranged on the positioning platform 22, a step is arranged on the first positioning plate 221, one side of the first bending plate 21 is clamped on the step, the other side of the first bending plate 21 extends outwards and is used for bending and positioning of a workpiece, a first pressing plate 23 is arranged above the first bending plate 21, a fastening assembly 222 is arranged on the positioning platform 22, the first pressing plate 23 is positioned on the first bending plate 21 through the fastening assembly 222, the fastening assembly 222 comprises an elbow clamp and a bolt, and the first pressing plate 23 is fixed through mutual matching of the elbow clamp and the bolt; more specifically, the length of the first compression plate 23 is set to be greater than that of the first bending plate 21;
meanwhile, in order to accurately position the workpiece and find a position needing fatigue testing, steel rulers 24 are arranged on two sides in the rotary carrying platform 2, two ends of each steel ruler 24 are respectively positioned on the first bending plate 21 and the first positioning plate 221, a limiting strip 25 is arranged at the same time, and the limiting strip 25 is positioned above the steel rulers 24 and can move on the first positioning plate 221 or be fixed through bolts and used for positioning the workpiece and preventing the workpiece from moving;
the rotating device 3 comprises a rotating bracket 31, a speed reducer 32 and a first servo motor 33, the positioning table 22 is mounted on the rotating bracket 31 through a rotating shaft, one end of the positioning table passes through the rotating bracket 31 to be connected with the speed reducer 32, and the speed reducer 32 is also connected with the first servo motor 33 to control the rotation of the positioning table 22, so that the bending test of the workpiece is realized;
a moving mechanism is arranged on one side opposite to the rotating mechanism, the moving mechanism comprises a moving carrier 4, a first moving device 5 and a second moving device 6, the first moving device 5 drives the moving carrier 4 to move left and right, the second moving device 6 drives the first moving device 5 to move left and right,
the first moving device 5 comprises a second servo motor 51, a first screw rod 52, a first nut 53 and a fixed tray 54, the lower side of the fixed tray 54 is fixedly connected with the first nut 53, the first nut 53 is in threaded connection with the first screw rod 52, and the first servo motor 33 is started to realize the left-right movement of the fixed tray 54, so that the left-right movement of the moving carrying platform 4 is driven;
the second moving device 6 comprises a third servo motor 61, a second screw rod 62, a second nut 63 and a moving supporting plate 64, the lower side of the moving supporting plate 64 is fixedly connected with the second nut 63, the second nut 63 is in threaded connection with the second screw rod 62, the third servo motor 61 is started to realize the left-right movement of the moving supporting plate 64, two guide rails 11 are arranged on two sides of the base 1, and the moving supporting plate 64 is arranged on the second guide rails 11 through a sliding block to realize the left-right movement;
in order to drive the first moving device 5 to move, the first guide rails 641 are disposed on two sides of the moving supporting plate 64, and the fixed tray 54 is disposed on the first guide rails 641 through a slider to move left and right, so as to drive the moving carrier 4 to move.
The movable carrying platform 4 comprises a second bending plate 41 and a second positioning plate 42, a step is also arranged on the second positioning plate 42, the second bending plate 41 is clamped on the step, and one side of the second bending plate extends outwards, so that the workpiece can be conveniently bent; the second pressing plate 43 is arranged for pressing and fixing the workpiece, and meanwhile, the fastening assembly 222 is also arranged for fixing the second pressing plate 43 on the second positioning plate 42 to fix the second pressing plate 43; specifically, the length of the second positioning plate 42 of the present invention is less than the length of the first positioning plate 221; the length of the first bending plate 21 is the same as that of the second bending plate 41.
In order to test the tension when the screen is bent, a tension sensor 7 is arranged between the fixed tray 54 and the movable carrier 4 and is used for measuring the tension change in the screen bending process in real time and testing the bending fatigue of the workpiece.
As a preferred embodiment, a first limit block 642 is disposed on the first guide rail 641, the first limit block 642 is disposed on two sides of the fixed tray 54, and a first anti-collision block 643 is disposed on the first limit block 642 to protect the movement of the fixed tray 54 and prevent the fixed tray 54 from colliding with the first limit block 642 to cause damage.
As a preferred embodiment, a second limit block 111 is arranged on the second guide rail 11, the second limit block 111 is located on the left side of the moving supporting plate 64, and a second anti-collision block 112 is arranged on the second limit block 111 to protect the moving of the moving supporting plate 64.
In a preferred embodiment, a baffle plate 12 is further provided on the base 1, and the baffle plate 12 is preferably a shatter glass baffle plate and is attached to the side of the rotating stage 2 away from the moving stage 4.
In the working process of the utility model, firstly, two ends of a workpiece are respectively arranged on a first bending plate 21 of a rotary carrier 2 and a second bending plate 41 of a movable carrier 4, and then are respectively fixed through a first pressing plate 23 and a second pressing plate 43, and a moving supporting plate 64 moves to adjust the position of the workpiece and primarily tension the stress of a tension sensor 7; the force is fed back to a tension controller 8 according to the tension sensor 7 to work so as to adjust the force to a proper value; the speed reducer 32 and the servo motor I33 work, and the workpiece bending stress is tested.
In the utility model, the initial stress value of the tension sensor is set to be 15N, and the adjusted stress is adjusted to be 20N +/-2N; the effective stroke of the moving pallet 64 is 150mm, the effective stroke of the fixed pallet 54 is 20mm, and the angular velocity of the workpiece during the movement is 720 °/s.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (9)
1. The utility model provides a fatigue test mechanism bends which characterized in that: the bending machine comprises a base, a rotating mechanism and a moving mechanism, wherein the rotating mechanism is provided with a rotating platform deck, the rotating platform deck comprises a bending plate and a positioning table, the positioning table is provided with a positioning plate, the bending plate is detachably connected with the positioning plate, the bending plate is further provided with a first pressing plate, one side of the bending plate extends outwards, the moving mechanism is provided with a moving platform deck and a first moving device, the moving device deck drives the moving platform deck to move leftwards and rightwards, the moving platform deck is provided with a second pressing plate, and a tension sensor is connected between the moving platform deck and the first moving device.
2. A bending fatigue testing mechanism according to claim 1, wherein: the moving mechanism further comprises a moving device II and a moving carriage, wherein a guide rail I is arranged on each of two sides of the moving carriage, the moving device I is fixed on the guide rail I through a sliding block, the moving device II drives the moving carriage to move left and right, guide rails II are arranged on two sides of the base, and the moving carriage is fixed on the guide rail II through the sliding block.
3. A bending fatigue testing mechanism according to claim 2, wherein: the first moving mechanism comprises a first limiting block, wherein the first limiting block is positioned on the first guide rail and is positioned at two ends of one side of the fixed tray.
4. A bending fatigue testing mechanism according to claim 3, wherein: and the first limiting block is provided with a first anti-collision block.
5. A bending fatigue testing mechanism according to claim 2, wherein: the moving mechanism further comprises a second limiting block, and the second limiting block is located on the second guide rail and located on one side of the moving carriage.
6. A bending fatigue testing mechanism according to claim 5, wherein: and the second limiting block is provided with a second anti-collision block.
7. A bending fatigue testing mechanism according to any one of claims 1 to 6, wherein: and a steel ruler is further arranged on the rotary carrying platform, and two ends of the steel ruler are respectively positioned on the bending plate and the positioning plate.
8. A bending fatigue testing mechanism according to any one of claims 1 to 6, wherein: and the rotating carrying platform is also provided with a limiting strip, and the limiting strip can be fixed or moved on the positioning plate.
9. A bending fatigue testing mechanism according to any one of claims 1 to 6, wherein: the base is further provided with a baffle plate, and the baffle plate is located on one side of the rotary carrying platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120583996.9U CN214844541U (en) | 2021-03-23 | 2021-03-23 | Bending fatigue testing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120583996.9U CN214844541U (en) | 2021-03-23 | 2021-03-23 | Bending fatigue testing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214844541U true CN214844541U (en) | 2021-11-23 |
Family
ID=78760127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120583996.9U Active CN214844541U (en) | 2021-03-23 | 2021-03-23 | Bending fatigue testing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214844541U (en) |
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2021
- 2021-03-23 CN CN202120583996.9U patent/CN214844541U/en active Active
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