CN221224169U - Automatic detection device for LED performance - Google Patents
Automatic detection device for LED performance Download PDFInfo
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- CN221224169U CN221224169U CN202322571371.2U CN202322571371U CN221224169U CN 221224169 U CN221224169 U CN 221224169U CN 202322571371 U CN202322571371 U CN 202322571371U CN 221224169 U CN221224169 U CN 221224169U
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- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 238000012360 testing method Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 description 8
- 238000005457 optimization Methods 0.000 description 7
- 230000002393 scratching effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an automatic detection device for LED performance, which relates to the technical field of LED display screens and comprises the following components: the utility model discloses a screen fixing device, which comprises a base, a fixed clamping plate, a movable clamping plate, a first rack plate, a second rack plate, a first gear, a second gear, a third gear and a cutter head.
Description
Technical Field
The utility model relates to the technical field of LED display screens, in particular to an automatic detection device for LED performance.
Background
The LED screen is required to be tested in all directions before leaving the factory, such as brightness, antistatic capacity, scratch resistance and the like, wherein in order to improve the stability of the screen during the scratch resistance test of the LED screen, the LED screen is usually required to be fixed first and then tested, and then the LED screen is detached after the test is finished, so that the repeated circulation is realized, the workload during the test is increased, and the efficiency is reduced.
Disclosure of utility model
In order to solve the technical problems in the background technology, the utility model provides an automatic detection device for LED performance.
An LED performance automatic detection device for testing scratch resistance of an LED screen, comprising: the device comprises a base, a fixed clamping plate, a movable clamping plate, a first rack plate, a second rack plate, a first gear, a second gear, a third gear, a first belt pulley, a second belt pulley and a cutter head;
The base comprises a bottom plate, upright posts and a top beam, wherein the upright posts are vertically fixed on the bottom plate, the top beam is transversely fixed at the top ends of the upright posts, the fixed clamping plates and the movable clamping plates are parallel and are arranged on the bottom plate at intervals, and the movable clamping plates are fixedly provided with first rack plates which are horizontally arranged;
The second rack plate is vertically arranged on the top beam and can slide along the vertical direction, the first gear and the second gear are arranged on the top beam, the first gear is meshed with the second rack plate, the second gear is meshed with the first gear, the third gear is arranged on the upright post and is meshed with the first rack plate, the second gear is coaxially provided with a first belt pulley, the third gear is coaxially provided with a second belt pulley, and a transmission belt is arranged between the first belt pulley and the second belt pulley;
The bottom end of the second rack plate is connected with a tool rest for installing a tool bit, and the tool bit is in sliding connection with the tool rest.
As a further optimization of the scheme, the top beam is provided with an inner cavity for installing a first gear and a second gear, the second gear and the first belt pulley are distributed on the inner side and the outer side of the inner cavity relatively, and the second rack plate vertically penetrates through the inner cavity and is meshed with the first gear.
As a further optimization of the above scheme, the top end of the second rack plate is provided with a limiting part to prevent the second rack plate from being separated from the top beam.
As a further optimization of the scheme, the bottom of the upright post is provided with the through hole, the third gear is arranged in the through hole, the second belt pulley is arranged on the outer side of the through hole, and the first rack plate can slide into and out of the through hole.
As a further optimization of the scheme, the fixed clamping plate is arranged at one end of the top surface of the bottom plate, which is far away from the upright post, the movable clamping plate is close to the upright post and is in sliding connection with the bottom plate, the first rack plate is perpendicular to the movable clamping plate, and the movable clamping plate can be pushed to be close to or far away from the fixed clamping plate when the third gear is meshed with the first rack plate for transmission.
As a further optimization of the scheme, a sliding groove for moving the cutter head is formed in the bottom side of the cutter holder, and the sliding direction of the cutter head on the cutter holder is perpendicular to the moving direction of the second rack plate.
As a further optimization of the scheme, the cutter head is provided with the holding part which is convenient to hold.
As a further optimization of the scheme, a spring is arranged between the tool rest and the top beam to reset the height of the tool bit.
1. According to the automatic LED performance detection device provided by the utility model, when the LED screen is tested by the pull-down tool bit, the second rack plate synchronously moves downwards and is meshed with the first gear and the second gear, and the third gear is meshed with the first rack plate under the transmission of the transmission belt to drive the first rack plate, so that the movable clamping plate is pushed to slide to the fixed clamping plate to clamp the LED screen, the LED screen is clamped without being independently fixed, and when the tool bit moves upwards and leaves the screen, the movable clamping plate is gradually away from the fixed clamping plate, so that the screen is convenient to detach, the workload is reduced, and the efficiency is improved.
2. According to the LED performance automatic detection device provided by the utility model, the spring can retract automatically after the cutter head loses tension, so that the cutter head can reset automatically.
Drawings
Fig. 1 is a schematic view of a first angle structure of an automatic LED performance detection device according to the present utility model;
FIG. 2 is a schematic view in partial cross-section of FIG. 1;
Fig. 3 is a schematic diagram of a second angle structure of the automatic LED performance detection device according to the present utility model.
Detailed Description
The embodiment provides an automatic detection device for LED performance for the scratch resistance of test LED screen, include: base 1, fixed splint 2, movable splint 3, first rack board 4, second rack board 5, first gear 6, second gear 7, third gear 8, first belt pulley 9, second belt pulley 10 and tool bit 11.
Referring to fig. 1 to 3, the base 1 includes a bottom plate 101, a column 102 and a top beam 103, the column 102 is vertically fixed on the bottom plate 101 and the top beam 103 is transversely fixed on top of the column 102, a fixed clamping plate 2 is arranged on the bottom plate 101 in parallel with and spaced apart from a movable clamping plate 3, more specifically, the fixed clamping plate 2 is far from the column 102, the movable clamping plate 3 is close to the column 102 and the movable clamping plate 3 can slide on the bottom plate 101 toward the fixed clamping plate 2.
The movable clamping plate 3 is fixedly provided with a first rack plate 4 which is horizontally arranged, and preferably, the first rack plate 4 is perpendicular to the movable clamping plate 3.
The top beam 103 is provided with an inner cavity 100 for installing the first gear 6 and the second gear 7, the second rack plate 5 vertically slides through the inner cavity 100 and is meshed with the first gear 6, the second gear 7 is meshed with the first gear 6 and is not contacted with the second rack plate 5, the third gear 8 is installed on the upright post 102 and is meshed with the first rack plate 4, the second gear 7 is coaxially provided with a first belt pulley 9, the third gear 8 is coaxially provided with a second belt pulley 10, a driving belt 12 is arranged between the first belt pulley 9 and the second belt pulley 10, the bottom end of the second rack plate 5 is connected with a cutter frame 13 for installing a cutter head 11, and the cutter head 11 is provided with a holding part 300 for convenient holding.
When the second rack plate 5 is driven to move downwards by the pull-down tool bit 11, the second gear 7 is rotated by the transmission of the first gear 6, the first belt pulley 9 coaxially linked with the second gear 7 drives the third gear 8 to rotate under the action of the transmission belt 12, and the third gear 8 is meshed with the first rack plate 4 so as to push the movable clamp plate 3 to slide towards the fixed clamp plate 2, so that the LED screen placed in the middle is clamped.
More specifically, the second gear 7 and the first belt pulley 9 are distributed on the inner side and the outer side of the inner cavity 100 relatively, the bottom of the upright post 102 is provided with a through hole 200, the third gear 8 is arranged in the through hole 200, the second belt pulley 10 is arranged on the outer side of the through hole 200, and the first rack plate 4 can slide into and out of the through hole 200.
Further, the bottom side of the cutter holder 13 is provided with a sliding groove 14 for moving the cutter head 11, and the cutter head 11 can generate a scratching effect on a screen along the sliding groove 14 so as to test scratching resistance, preferably, the sliding direction of the cutter head 11 on the cutter holder 13 is perpendicular to the moving direction of the second rack plate 5, namely, the cutter head 11 slides horizontally.
A limit 500 is provided at the top end of the second rack plate 5 to prevent the second rack plate 5 from being separated from the top beam 103.
In addition, a spring 15 can be arranged between the tool rest 13 and the top beam 103 to automatically reset the height of the tool bit 11.
In this embodiment, the LED screen is placed in the area between the fixed clamping plate 2 and the movable clamping plate 3, when the cutter head 11 is pulled down to drive the second rack plate 5 to move downwards, the second gear 7 is rotated by the transmission of the first gear 6, the first pulley 9 coaxially linked with the second gear 7 drives the third gear 8 to rotate under the action of the transmission belt 12, the third gear 8 engages with the first rack plate 4 to push the movable clamping plate 3 to slide towards the fixed clamping plate 2, so that the LED screen placed in the middle is clamped, and when the cutter head 11 moves upwards away from the screen, the movable clamping plate 3 is gradually separated from the fixed clamping plate 2, so that the screen is convenient to detach, and in addition, the spring 15 is arranged to enable the cutter head 11 to reset automatically.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. An automatic detection device for LED performance is used for testing the scratch resistance of an LED screen, and is characterized by comprising: the device comprises a base (1), a fixed clamping plate (2), a movable clamping plate (3), a first rack plate (4), a second rack plate (5), a first gear (6), a second gear (7), a third gear (8), a first belt pulley (9), a second belt pulley (10) and a cutter head (11);
The base (1) comprises a bottom plate (101), upright posts (102) and top beams (103), wherein the upright posts (102) are vertically fixed on the bottom plate (101), the top beams (103) are transversely fixed at the top ends of the upright posts (102), the fixed clamping plates (2) are parallel to the movable clamping plates (3) and are arranged on the bottom plate (101) at intervals, and first rack plates (4) which are horizontally arranged are fixedly arranged on the movable clamping plates (3);
the second rack plate (5) is vertically arranged on the top beam (103) and can slide along the vertical direction, the first gear (6) and the second gear (7) are arranged on the top beam (103), the first gear (6) is meshed with the second rack plate (5), the second gear (7) is meshed with the first gear (6), the third gear (8) is arranged on the upright post (102) and is meshed with the first rack plate (4), the second gear (7) is coaxially provided with a first belt pulley (9), the third gear (8) is coaxially provided with a second belt pulley (10), and a driving belt (12) is arranged between the first belt pulley (9) and the second belt pulley (10);
The bottom end of the second rack plate (5) is connected with a cutter rest (13) for installing a cutter head (11), and the cutter head (11) is in sliding connection with the cutter rest (13).
2. The automatic LED performance detection device according to claim 1, wherein the top beam (103) has an inner cavity (100) for mounting the first gear (6) and the second gear (7), the second gear (7) is distributed on both inner and outer sides of the inner cavity (100) opposite to the first pulley (9), and the second rack plate (5) vertically penetrates the inner cavity (100) and is meshed with the first gear (6).
3. The LED performance automatic detection device according to claim 2, wherein a limit portion (500) is provided at the top end of the second rack plate (5) to prevent the second rack plate (5) from being separated from the top beam (103).
4. The automatic detection device for LED performance according to claim 1, wherein a through hole (200) is formed in the bottom of the upright post (102), the third gear (8) is arranged in the through hole (200), the second belt pulley (10) is arranged on the outer side of the through hole (200), and the first rack plate (4) can slide into and out of the through hole (200).
5. The automatic detection device for the performance of the LED according to claim 1, wherein the fixed clamping plate (2) is arranged at one end, far away from the upright post (102), of the top surface of the bottom plate (101), the movable clamping plate (3) is close to the upright post (102) and is in sliding connection with the bottom plate (101), the first rack plate (4) is perpendicular to the movable clamping plate (3), and the movable clamping plate (3) can be pushed to be close to or far away from the fixed clamping plate (2) when the third gear (8) is meshed to drive the first rack plate (4).
6. The automatic LED performance detection device according to claim 1, wherein a chute (14) for moving the cutter head (11) is provided at the bottom side of the cutter holder (13), and the sliding direction of the cutter head (11) on the cutter holder (13) is perpendicular to the moving direction of the second rack plate (5).
7. The automatic LED performance detection device according to claim 6, wherein a grip portion (300) is provided on the cutter head (11) for facilitating gripping.
8. The automatic detection device for the performance of the LED according to claim 1, wherein a spring (15) is further arranged between the tool rest (13) and the top beam (103) to reset the height of the tool bit (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322571371.2U CN221224169U (en) | 2023-09-21 | 2023-09-21 | Automatic detection device for LED performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322571371.2U CN221224169U (en) | 2023-09-21 | 2023-09-21 | Automatic detection device for LED performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221224169U true CN221224169U (en) | 2024-06-25 |
Family
ID=91577488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322571371.2U Active CN221224169U (en) | 2023-09-21 | 2023-09-21 | Automatic detection device for LED performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221224169U (en) |
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2023
- 2023-09-21 CN CN202322571371.2U patent/CN221224169U/en active Active
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