CN217020045U

CN217020045U - Positioning device for LED optical detection machine

Info

Publication number: CN217020045U
Application number: CN202123411178.XU
Authority: CN
Inventors: 魏余红; 黄燕荣
Original assignee: Dongguan Kezhuo Robot Co ltd
Current assignee: Guangdong Kezhuo Semiconductor Equipment Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-22
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a positioning device for an LED optical detector, which comprises a base, wherein a lifting assembly is arranged at the center of the top of the base, a rotating assembly is fixed on the lifting assembly, a positioning plate is fixed on the rotating assembly, a positioning frame is arranged on the positioning plate, sliding holes are symmetrically formed in the top of the positioning frame, sliding rods are slidably connected inside the sliding holes, a moving plate is arranged at the top end of each sliding rod, a driving plate is fixed at the tail end of each sliding rod, two sides of the driving plate are connected with telescopic cylinders on the positioning frame, a movable chuck is arranged at the center of the bottom of the moving plate, and a fixed clamping plate is arranged on the positioning frame and is opposite to the corresponding movable chuck. The LED board clamping device is novel in structure, ingenious in conception, convenient for automatically clamping the LED board, convenient for optically detecting the front side and the back side of the LED board, high in detection efficiency and capable of reducing the production cost and the labor intensity of workers.

Description

Positioning device for LED optical detection machine

Technical Field

The utility model relates to the technical field of LED detection, in particular to a positioning device for an LED optical detection machine.

Background

The full-page LED board is after the encapsulation, before the blanking, need carry out manual detection to the outward appearance of each lamp pearl positive and negative on the LED board and reject defects such as stain, few glue, excessive glue, many glue, bubble, line exposure, damage, fish tail, stain, reverse side excessive glue, along with the continuous development of LED industry, the demand of LED board constantly increases, and this must make the processing work demand of LED board increase, and this has just provided higher requirement to outward appearance detection efficiency.

At present, the manual operation mode of visual inspection by using a high-power magnifier is adopted for appearance inspection, a large amount of manpower and production space are needed, the working efficiency is low, and human errors exist. Therefore, it is necessary to design a positioning device for an LED optical inspection machine.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, the positioning device for the LED optical detection machine is provided for overcoming the defects of the prior art, and the positioning device is novel in structure, ingenious in conception, convenient for automatically clamping the LED plate, convenient for optically detecting the front side and the back side of the LED plate, high in detection efficiency and capable of reducing the production cost and the labor intensity of workers.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a LED positioner for optical detection machine, includes the base, the top center department of base installs lifting unit, last being fixed with rotating assembly of lifting unit, last being fixed with the locating plate of rotating assembly, install the locating rack on the locating plate, the sliding hole has been seted up to the top symmetry of locating rack, the inside sliding connection of sliding hole has the slide bar, the movable plate is installed on the top of slide bar, the end fixing of slide bar has the drive plate, the both sides of drive plate are connected with telescopic cylinder on the locating rack, the bottom center department of movable plate installs and moves the chuck, just to corresponding moving the chuck and installing the solid fixed splint on the locating rack.

Preferably, the movable chuck comprises a limiting hole, a movable clamping plate, a buffer spring and a limiting rod;

spacing holes are symmetrically formed in the moving plate, limiting rods are connected to the inner portions of the spacing holes in a sliding mode, the two limiting rods are connected through movable clamping plates, buffer springs for connecting the moving plate and the movable clamping plates are connected to the limiting rods in a sleeved mode, and the movable clamping plates are installed in a mode of corresponding to the fixed clamping plates.

Preferably, the fixed clamping plate and the movable clamping plate are both fixedly clamped with a silica gel protective sleeve.

Preferably, a travel switch is installed on the moving plate opposite to the corresponding moving clamp plate, and the travel switch is electrically connected with the telescopic cylinder.

Preferably, the lifting assembly comprises a frame fixed at the center of the top of the base, a screw rod is symmetrically arranged inside the frame, a rotating motor for driving the screw rod is arranged at the top of the frame, a reciprocating sliding block which slides inside the frame is connected to the screw rod in a meshed mode, and a rotating assembly is arranged on the reciprocating sliding block.

Preferably, the rotating assembly comprises a turntable, a through hole and a servo motor;

the back center of the reciprocating slide block is provided with a servo motor, the output end of the servo motor penetrates through the through hole and is fixed with a turntable, and the turntable is provided with a positioning plate.

Preferably, an arc-shaped limiting sliding groove is formed in the rotating disc, and a limiting sliding block which slides in the arc-shaped limiting sliding groove is mounted on the reciprocating sliding block.

Preferably, the four corner positions of the base are provided with positioning holes.

The utility model has the beneficial effects that:

1. the LED board can be automatically clamped conveniently, the front side and the back side of the LED board can be optically detected conveniently, the detection efficiency is high, and the production cost and the labor intensity of workers are reduced;

2. the arc-shaped limiting sliding chute and the limiting sliding block are arranged, so that the movement of the turntable is limited, and the turntable can only rotate 180 degrees;

3. the telescopic cylinder works to drive the driving plate to move, when the movable clamping plate is contacted with one end of the LED plate, the limiting rod is enabled to move in the limiting hole, so that the buffer spring is stressed and compressed, and the movable clamping plate is prevented from being in hard contact with the LED plate to damage the LED plate;

4. when the movable clamping plate is contacted with the travel switch, the telescopic cylinder stops working, and the damage to the LED plate caused by the excessive movement of the telescopic cylinder is avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of an overall top plan configuration of the present invention;

FIG. 2 is a schematic plan view of the dynamic chuck of the present invention;

FIG. 3 is a schematic plan view of the lift assembly of the present invention;

FIG. 4 is a schematic plan view of a rotary assembly of the present invention;

FIG. 5 is a schematic view of a planar structure of a turntable according to the present invention;

reference numbers in the figures: 1. a base; 2. a lifting assembly; 3. a rotating assembly; 4. positioning a plate; 5. a positioning frame; 6. a drive plate; 7. a telescopic cylinder; 8. a slide bar; 9. fixing the clamping plate; 10. a slide hole; 11. a movable chuck; 12. moving the plate; 13. a travel switch; 14. a limiting hole; 15. a movable clamping plate; 16. a buffer spring; 17. a limiting rod; 18. a frame; 19. a screw rod; 20. a reciprocating slide block; 21. a rotating electric machine; 22. a turntable; 23. a through hole; 24. a servo motor; 25. an arc-shaped limiting chute; 26. and a limiting sliding block.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings.

Example one

As shown in fig. 1, fig. 3, fig. 4 and fig. 5, the present invention provides the following technical solutions: a positioning device for an LED optical detector comprises a base 1, a lifting component 2 is installed at the center of the top of the base 1, a rotating component 3 is fixed on the lifting component 2, a positioning plate 4 is fixed on the rotating component 3, a positioning frame 5 is installed on the positioning plate 4, sliding holes 10 are symmetrically formed in the top of the positioning frame 5, sliding rods 8 are slidably connected inside the sliding holes 10, a moving plate 12 is installed at the top end of each sliding rod 8, a driving plate 6 is fixed at the tail end of each sliding rod 8, two sides of each driving plate 6 are connected with telescopic cylinders 7 on the positioning frame 5, movable chucks 11 are installed at the center of the bottom of each moving plate 12, fixed clamping plates 9 are installed on the positioning frames 5 corresponding to the movable chucks 11, the device is connected with control equipment, the lifting component 2 drives the positioning plate 4 to descend to enable an LED plate to be located between the fixed clamping plates 9 and the movable chucks 11, then the telescopic cylinders 7 work to drive the driving plates 6 to move, thereby it moves chuck 11 to drive, press from both sides tight LED board, 2 upward movements of lifting unit, make the LED board move the detection position of optical detection machine, carry out optical detection to the front of LED board, rotating assembly 3 work after that, it is rotatory to drive locating plate 4, drive the LED board then and carry out 180 degrees rotations, conveniently carry out optical detection to the reverse side of LED board, be convenient for automatic centre gripping LED board, conveniently carry out optical detection to the tow sides of LED board, high detection efficiency, and the labor intensity of reduction in production cost and workman.

Preferably, the lifting assembly 2 comprises a frame 18 fixed at the center of the top of the base 1, a screw rod 19 is symmetrically installed inside the frame 18, a rotating motor 21 for driving the screw rod 19 is installed at the top of the frame 18, a reciprocating slide block 20 sliding inside the frame 18 is connected to the screw rod 19 in a meshed manner, the rotating assembly 3 is installed on the reciprocating slide block 20, the rotating motor 21 works to drive the screw rod 19 to rotate, and the reciprocating slide block 20 is conveniently driven to move up and down inside the frame 18.

Preferably, the rotating assembly 3 comprises a rotating disc 22, a through hole 23 and a servo motor 24, the servo motor 24 is installed at the center of the back of the reciprocating slide block 20, the output end of the servo motor 24 penetrates through the through hole 23 and is fixed with the rotating disc 22, the positioning plate 4 is installed on the rotating disc 22, and the rotating assembly 3 works to drive the rotating disc 22 to rotate conveniently.

Preferably, an arc-shaped limiting sliding groove 25 is formed in the rotating disc 22, a limiting sliding block 26 which slides in the arc-shaped limiting sliding groove 25 is mounted on the reciprocating sliding block 20, and the movement of the rotating disc 22 is limited by the arc-shaped limiting sliding groove 25 and the limiting sliding block 26, so that the rotating disc 22 can only rotate 180 degrees.

Preferably, the four corner positions of the base 1 are provided with positioning holes.

Example two

Referring to fig. 1 and 2, as another preferred embodiment, the difference from the first embodiment is that the movable chuck 11 includes a limiting hole 14, a movable clamp plate 15, a buffer spring 16 and a limiting rod 17, the limiting hole 14 is symmetrically formed on the movable plate 12, the limiting rod 17 is slidably connected inside the limiting hole 14, the two limiting rods 17 are connected through the movable clamp plate 15, the buffer spring 16 connecting the movable plate 12 and the movable clamp plate 15 is sleeved on the limiting rod 17, the movable clamp plate 15 is installed corresponding to the fixed clamp plate 9, the telescopic cylinder 7 works to drive the drive plate 6 to move, when the movable clamp plate 15 contacts with one end of the LED plate, the limiting rod 17 moves inside the limiting hole 14 to cause the buffer spring 16 to be stressed and compressed, and the movable clamp plate 15 is prevented from being in hard contact with the LED plate to cause the LED plate to be damaged.

Preferably, the fixed clamping plate 9 and the movable clamping plate 15 are both clamped and fixed with silica gel protective sleeves.

EXAMPLE III

Referring to fig. 1, as another preferred embodiment, the difference from the first embodiment is that a travel switch 13 is mounted on the moving plate 12 just corresponding to the movable clamp plate 15, the travel switch 13 is electrically connected to the telescopic cylinder 7, and through the arrangement of the travel switch 13, when the movable clamp plate 15 contacts with the travel switch 13, the telescopic cylinder 7 stops working, so as to avoid the telescopic cylinder 7 from moving excessively, which may cause damage to the LED board.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a LED is positioner for optical detection machine, includes base (1), its characterized in that: the top center department of base (1) installs lifting unit (2), be fixed with rotating assembly (3) on lifting unit (2), be fixed with locating plate (4) on rotating assembly (3), install locating rack (5) on locating plate (4), draw runner (10) have been seted up to the top symmetry of locating rack (5), the inside sliding connection of draw runner (10) has slide bar (8), movable plate (12) are installed on the top of slide bar (8), the tail end of slide bar (8) is fixed with drive plate (6), the both sides of drive plate (6) are connected with telescopic cylinder (7) on locating rack (5), the bottom center department of movable plate (12) installs and moves chuck (11), it installs solid fixed splint (9) to correspond chuck (11) on locating rack (5).

2. The positioning device for the LED optical inspection machine according to claim 1, wherein: the movable chuck (11) comprises a limiting hole (14), a movable clamping plate (15), a buffer spring (16) and a limiting rod (17);

spacing hole (14) have been seted up to the symmetry on movable plate (12), the inside sliding connection of spacing hole (14) has gag lever post (17), and connects through moving splint (15) between two gag lever posts (17), buffer spring (16) of connecting movable plate (12) and moving splint (15) have been cup jointed on gag lever post (17), it just corresponds fixed splint (9) installation to move splint (15).

3. The positioning device for the LED optical inspection machine according to claim 2, wherein: and the fixed clamping plate (9) and the movable clamping plate (15) are clamped and fixed with silica gel protective sleeves.

4. The positioning device for the LED optical inspection machine according to claim 2, wherein: travel switch (13) is installed just corresponding to movable clamp plate (15) on movable plate (12), travel switch (13) electric connection telescopic cylinder (7).

5. The positioning device for the LED optical inspection machine according to claim 1, wherein: lifting unit (2) are including fixing frame (18) in base (1) top center department, lead screw (19) are installed to the inside symmetry of frame (18), rotating electrical machines (21) of drive lead screw (19) are installed at the top of frame (18), the meshing is connected with reciprocal slider (20) of slip in frame (18) inside on lead screw (19), install rotating assembly (3) on reciprocal slider (20).

6. The positioning device for LED optical inspection machine according to claim 5, wherein: the rotating assembly (3) comprises a turntable (22), a through hole (23) and a servo motor (24);

the back center of the reciprocating slide block (20) is provided with a servo motor (24), the output end of the servo motor (24) penetrates through the through hole (23) and is fixed with a rotary table (22), and the rotary table (22) is provided with a positioning plate (4).

7. The positioning device for the LED optical inspection machine according to claim 6, wherein: an arc-shaped limiting sliding groove (25) is formed in the rotary plate (22), and a limiting sliding block (26) which slides in the arc-shaped limiting sliding groove (25) is mounted on the reciprocating sliding block (20).

8. The positioning device for the LED optical inspection machine according to claim 1, wherein: positioning holes are formed in the four corner positions of the base (1).