CN215678588U

CN215678588U - High-test-precision LED display screen module aging jig

Info

Publication number: CN215678588U
Application number: CN202121606560.3U
Authority: CN
Inventors: 符正宏
Original assignee: Zhejiang Dacai Photoelectric Technology Co ltd
Current assignee: Zhejiang Dacai Photoelectric Technology Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-01-28
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a high-test-precision LED display screen module aging jig, which relates to the field of display screen aging test equipment and comprises a bottom plate, wherein a placing plate is arranged right above the middle part of the bottom plate, four square guide rods distributed in an annular array are fixedly connected to the outer side wall of the placing plate, a connecting column is fixedly connected to one end of each square guide rod, the lower end of each connecting column is fixedly connected with the upper surface of the bottom plate, a turntable is arranged between the bottom plate and the placing plate, and the upper end and the lower end of a rotating shaft of the turntable are respectively movably inserted into the middle part of the placing plate and the middle part of the bottom plate through bearings. According to the utility model, the turntable is arranged between the bottom plate and the placing plate, and the edge of the upper surface of the turntable is movably connected with the four movable rods distributed in an annular array manner through the pin shafts, so that the turntable can drive the four clamping components to synchronously slide and clamp the four corners of the display screen module when rotating, and thus the display screen module can be rapidly and stably clamped and positioned.

Description

High-test-precision LED display screen module aging jig

Technical Field

The utility model relates to the field of display screen aging test equipment, in particular to an LED display screen module aging jig with high test precision.

Background

The LED aging test is a very important link in product quality control, and the efficiency of an LED product can be improved after aging, and the stability of the efficiency in later use is facilitated. The LED burn-in test is a countermeasure taken according to the characteristics of the failure rate curve, i.e., the bathtub curve, of the product, thereby improving the reliability of the product.

However, at present, the aging jig for the LED display screen module with high testing precision cannot be used for quickly and stably positioning the display screen module when the display screen module is installed and positioned, so that the aging testing efficiency is influenced, and then after the display screen module is positioned, the jig is easy to loosen due to vibration, so that the display screen module is staggered, and the aging testing result is influenced. Therefore, it is necessary to provide a high-testing-precision aging jig for LED display screen modules to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an aging jig for an LED display screen module with high test precision, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-testing-precision LED display screen module aging jig comprises a bottom plate, a placing plate is arranged right above the middle part of the bottom plate, the outer side wall of the placing plate is fixedly connected with four square guide rods distributed in an annular array, one end of each square guide rod is fixedly connected with a connecting column, the lower end of the connecting column is fixedly connected with the upper surface of the bottom plate, a turntable is arranged between the bottom plate and the placing plate, the upper end and the lower end of the rotating shaft of the turntable are respectively movably inserted with the middle part of the placing plate and the middle part of the bottom plate through bearings, the edge of the upper surface of the turntable is movably connected with four movable rods which are distributed in an annular array through pin shafts, the one end of movable rod is provided with clamping component, the fixed cover of lower extreme of carousel pivot has connect the worm wheel, the worm wheel is located between carousel and the bottom plate, one side meshing of worm wheel is connected with the worm.

Preferably, the outer sides of the two ends of the worm are movably sleeved with positioning blocks, and the positioning blocks are fixedly mounted on the upper surface of the bottom plate.

Preferably, one side surface of one of the positioning blocks is fixedly connected with a driving motor, and one end of a rotating shaft of the driving motor is fixedly connected with one end of a worm.

Preferably, the clamping assembly comprises a square sleeve, the square sleeve is movably sleeved on the outer side of the square guide rod, and the lower surface of the square sleeve is movably connected with one end of the movable rod through a pin shaft.

Preferably, the upper surface of the square sleeve is fixedly connected with a T-shaped block, one side of the T-shaped block is provided with a clamping block, and one side face of the clamping block is provided with a ninety-degree clamping groove.

Preferably, both ends of one side surface of the T-shaped block are fixedly connected with movable telescopic rods, and one end of each movable telescopic rod is fixedly connected with the other side surface of the clamping block.

Preferably, the middle part of one side surface of the T-shaped block is fixedly connected with a thrust spring, and one end of the thrust spring is fixedly connected with the other side surface of the clamping block.

The utility model has the technical effects and advantages that:

1. according to the utility model, the turntable is arranged between the bottom plate and the placing plate, the edge of the upper surface of the turntable is movably connected with four movable rods distributed in an annular array through pin shafts, and one end of each movable rod is movably connected with the clamping assembly through the pin shaft, so that the four clamping assemblies can be driven to synchronously slide and clamp four corners of the display screen module when the turntable rotates, and the display screen module can be rapidly and stably clamped and positioned;

2. according to the utility model, the worm wheel is fixedly sleeved at the lower end of the rotary shaft of the rotary disc, one side of the worm wheel is meshed and connected with the worm, and the worm wheel are in one-way transmission, so that the phenomenon that the clamping and positioning of the device on the display screen module are loosened due to the reverse rotation of the rotary disc can be avoided;

3. according to the utility model, the movable telescopic rod and the thrust spring are arranged between the T-shaped block and the clamping block, so that the clamping block and the T-shaped block can move a certain distance relatively, and the clamping block is prevented from extruding and damaging the corner of the display screen module due to the overlarge rotating angle of the turntable.

Drawings

Fig. 1 is a perspective view of the overall structure of the present invention.

Fig. 2 is a perspective view of the turntable structure of the present invention.

Fig. 3 is a perspective view of the clamping assembly of the present invention.

In the figure: 1. a base plate; 2. placing the plate; 3. a square guide bar; 4. connecting columns; 5. a turntable; 6. a movable rod; 7. a clamping assembly; 8. a square sleeve; 9. a T-shaped block; 10. a clamping block; 11. a movable telescopic rod; 12. a thrust spring; 13. a worm gear; 14. a worm; 15. positioning blocks; 16. the motor is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a high-test-precision LED display screen module aging jig as shown in figures 1-3, which comprises a bottom plate 1, wherein a placing plate 2 is arranged right above the middle part of the bottom plate 1, a display screen module is placed on the upper surface of the placing plate 2 during positioning, four square guide rods 3 distributed in an annular array are fixedly connected to the outer side wall of the placing plate 2, one ends of the square guide rods 3 are fixedly connected with connecting columns 4, the lower ends of the connecting columns 4 are fixedly connected with the upper surface of the bottom plate 1, and the connecting columns 4 and the square guide rods 3 are arranged for supporting and positioning the placing plate 2.

Secondly, be provided with carousel 5 between bottom plate 1 and the board 2 of placing, the upper and lower both ends of the pivot of carousel 5 are passed through the bearing and are pegged graft with the middle part of placing board 2 and the middle part activity of bottom plate 1 respectively, and the edge of carousel 5 upper surface has four movable rods 6 that are the distribution of annular array through round pin axle swing joint, and the one end of movable rod 6 is provided with clamping component 7, so carousel 5 can drive four clamping component 7 synchronous motion through the connection of four movable rods 6 when rotating.

Specifically, the clamping assembly 7 comprises a square sleeve 8, the square sleeve 8 is movably sleeved on the outer side of the square guide rod 3, the lower surface of the square sleeve 8 is movably connected with one end of the movable rod 6 through a pin shaft, so that the square sleeve 8 and the movable rod 6 can rotate relatively, the upper surface of the square sleeve 8 is fixedly connected with a T-shaped block 9, one side of the T-shaped block 9 is provided with a clamping block 10, one side surface of the clamping block 10 is provided with a ninety-degree clamping groove, so that the four clamping blocks 10 can be respectively clamped on the outer sides of four corners of the display screen, so as to position the display screen, two ends of one side surface of the T-shaped block 9 are fixedly connected with movable telescopic rods 11, one end of each movable telescopic rod 11 is fixedly connected with the other side surface of the clamping block 10, each movable telescopic rod 11 is used for supporting and guiding the clamping block 10, so that the clamping block 10 can slide in the horizontal direction, the middle part of one side surface of the T-shaped block 9 is fixedly connected with a thrust spring 12, one end of the thrust spring 12 is fixedly connected with the other side face of the fixture block 10, the thrust spring 12 provides thrust, the fixture block 10 can be guaranteed to be clamped at the corner of the display screen module, and meanwhile, the display screen module cannot be damaged due to overlarge extrusion force generated by the fixture block 10 on the display screen module.

Further, the worm wheel 13 is fixedly sleeved at the lower end of the rotating shaft of the turntable 5, the worm wheel 13 is located between the turntable 5 and the bottom plate 1, one side of the worm wheel 13 is meshed with the worm 14, the worm 14 can be connected with the worm wheel 13 through meshing when rotating, the worm wheel 13 can be driven to rotate, the turntable 5 is driven to rotate synchronously, and the worm 14 and the worm wheel 13 can only realize one-way transmission, so that the turntable 5 can be prevented from reversely rotating, the positioning blocks 15 are movably sleeved on the outer sides of two ends of the worm 14, the positioning blocks 15 are fixedly installed on the upper surface of the bottom plate 1, the positioning blocks 15 are used for positioning the worm 14, one side face of one positioning block 15 is fixedly connected with the driving motor 16, one end of the rotating shaft of the driving motor 16 is fixedly connected with one end of the worm 14, and therefore, the driving motor 16 can drive the worm 14 to rotate when working.

The working principle of the utility model is as follows:

when the device is used, the display screen module is firstly placed on the upper surface of the placing plate 2, then the driving motor 16 is started, the driving motor 16 drives the worm 14 to rotate when in work, and further drives the worm wheel 13 and the turntable 5 to synchronously rotate, the turntable 5 drives the four clamping components 7 to synchronously slide along the length direction of the square guide rod 3 respectively through the connection of the movable rod 6 when in rotation, until the four clamping blocks 10 are clamped at the outer sides of the four corners of the display screen module respectively, so that the display screen module can be rapidly and stably clamped and positioned;

meanwhile, a thrust spring 12 and a movable telescopic rod 11 are arranged between the clamping block 10 and the T-shaped block 9, so that the clamping block 10 and the T-shaped block 9 can move for a certain distance relatively, and the phenomenon that the rotating angle of the turntable 5 is too large to cause too large extrusion force generated at the corners of the clamping block 10 and the display screen module is avoided, and the display screen module is damaged is avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an ageing smelting tool of high test accuracy LED display screen module, includes bottom plate (1), its characterized in that: a placing plate (2) is arranged right above the middle part of the bottom plate (1), four square guide rods (3) distributed in an annular array are fixedly connected to the outer side wall of the placing plate (2), a connecting column (4) is fixedly connected to one end of each square guide rod (3), the lower end of each connecting column (4) is fixedly connected with the upper surface of the bottom plate (1), a rotary table (5) is arranged between the bottom plate (1) and the placing plate (2), the upper end and the lower end of a rotating shaft of the rotary table (5) are movably inserted into the middle part of the placing plate (2) and the middle part of the bottom plate (1) through bearings respectively, four movable rods (6) distributed in an annular array are movably connected to the edge of the upper surface of the rotary table (5) through pin shafts, a clamping assembly (7) is arranged at one end of each movable rod (6), a worm wheel (13) is fixedly sleeved on the lower end of the rotating shaft of the rotary table (5), the worm wheel (13) is positioned between the rotary disc (5) and the bottom plate (1), and one side of the worm wheel (13) is meshed with the worm (14).

2. The aging jig for the LED display screen module with high test precision of claim 1, which is characterized in that: the outer sides of two ends of the worm (14) are movably sleeved with positioning blocks (15), and the positioning blocks (15) are fixedly installed on the upper surface of the bottom plate (1).

3. The aging jig for the LED display screen module with high test precision of claim 2, wherein: one side face of one positioning block (15) is fixedly connected with a driving motor (16), and one end of a rotating shaft of the driving motor (16) is fixedly connected with one end of a worm (14).

4. The aging jig for the LED display screen module with high test precision of claim 3, wherein: the clamping assembly (7) comprises a square sleeve (8), the square sleeve (8) is movably sleeved on the outer side of the square guide rod (3), and the lower surface of the square sleeve (8) is movably connected with one end of the movable rod (6) through a pin shaft.

5. The aging jig for the LED display screen module with high test precision as claimed in claim 4, wherein: the upper surface of the square sleeve (8) is fixedly connected with a T-shaped block (9), one side of the T-shaped block (9) is provided with a clamping block (10), and one side face of the clamping block (10) is provided with a ninety-degree clamping groove.

6. The aging jig for the LED display screen module with high test precision of claim 5, wherein: and two ends of one side surface of the T-shaped block (9) are fixedly connected with movable telescopic rods (11), and one end of each movable telescopic rod (11) is fixedly connected with the other side surface of the corresponding clamping block (10).

7. The aging jig for the LED display screen module with high test precision of claim 6, wherein: the middle part of one side surface of the T-shaped block (9) is fixedly connected with a thrust spring (12), and one end of the thrust spring (12) is fixedly connected with the other side surface of the clamping block (10).