CN214953129U

CN214953129U - Machine vision detection equipment for defects of light guide plate

Info

Publication number: CN214953129U
Application number: CN202121637690.3U
Authority: CN
Inventors: 李文秀
Original assignee: Shenzhen Xinchuangxiang Photoelectric Co ltd
Current assignee: Shenzhen Xinchuangxiang Photoelectric Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-11-30
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses a machine vision check out test set for light guide plate defect, including base and casing, the top fixedly connected with casing of base, be provided with location structure between base and the casing, the top of casing one end is provided with shelters from the structure, the inside top fixedly connected with image shooting ware of casing, the inside bottom fixedly connected with LED lamp plate of casing, the inside both ends of casing are provided with respectively cleans the structure. This a machine vision check out test set for light guide plate defect is provided with respectively through the both ends in casing inside and cleans the structure, and this structure is located the exit of casing, when the panel that will detect in order to shelter from the structure is released, just makes its surface get into simultaneously about and between two sets of cylinder brushes and fully contact with it, and the slip axle sleeve of cylinder brush both sides can be under extension spring's elasticity suppression, makes a round trip to slide in the inside of spacing groove according to the thickness of panel, has solved the problem of not clearing up panel in advance.

Description

Machine vision detection equipment for defects of light guide plate

Technical Field

The utility model relates to a light guide plate detection device technical field specifically is a machine vision check out test set for light guide plate defect.

Background

The light guide plate is one kind and carves out the leaded light point through techniques such as laser in inferior gram force board bottom, can carry out refraction diffusion to the light that stops at its surface, and ensure that it is luminous even, compare in other materials of same area size, both promoted luminous efficacy and reduced self energy consumption, nevertheless this type of panel leaves the factory in processing and need carry out visual inspection to it, in order to reject the flaw board that has abnormal light emitting module, and the monitoring facilities of old-fashioned fails to clear up and spacing panel in advance, often take place because of dust debris cover or dislocation and gain wrong data, it is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a machine vision check out test set for light guide plate defect to propose the problem of not clearing up in advance to panel in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a machine vision check out test set for light guide plate defect, includes base and casing, the top fixedly connected with casing of base, be provided with location structure between base and the casing, the top of casing one end is provided with shelters from the structure, the inside top fixedly connected with image shooting ware of casing, the inside bottom fixedly connected with LED lamp plate of casing, the inside both ends of casing are provided with respectively cleans the structure.

Preferably, the cleaning structure comprises a stand column, the stand column is fixedly connected to two sides of two ends inside the shell respectively, a limiting groove is formed in the top end and the bottom end inside the stand column respectively, an extension spring is fixedly connected to the inside of the limiting groove, a sliding shaft sleeve is fixedly connected to one end of the extension spring, and a roller brush is movably connected between one side inside the sliding shaft sleeve.

Preferably, location structure comprises first fluted disc, second fluted disc, cavity, lead screw, splint, walk pearl, thread sleeve piece and pivot and transverse trough, the cavity sets up the inside in the casing both sides respectively, the inside swing joint of cavity has the lead screw, the outside swing joint of lead screw has the thread sleeve piece, cavity fixedly connected with splint are passed to one side of thread sleeve piece, the inside of splint is provided with the multiunit and walks the pearl, the transverse trough sets up between the inside both sides of base, transverse trough fixedly connected with second fluted disc is passed to the bottom of lead screw, swing joint has the pivot between the both sides of transverse trough inside, the first fluted disc of fixedly connected with is distinguished to the both sides of pivot.

Preferably, the inner diameter of the thread sleeve block is larger than the diameter of the screw rod, and the thread sleeve blocks are symmetrically distributed about the vertical middle line of the screw rod.

Preferably, shelter from the structure and comprise fixed axle, mount pad, baffle, bolt and logical groove, it sets up the inside in casing one end both sides respectively to lead to the groove, the mount pad is fixed connection in the both sides of shells inner wall top one end respectively, swing joint has the fixed axle between one side of mount pad and logical groove, the bottom fixedly connected with baffle of fixed axle, both sides difference swing joint between fixed axle and the casing one end has the bolt.

Preferably, the fixed shaft and the bolt are in the same vertical plane.

Compared with the prior art, the beneficial effects of the utility model are that: the machine vision detection equipment for the defects of the light guide plate not only realizes cleaning of the surface of the plate, realizes limiting and fixing of the plate, but also realizes shielding of external light;

(1) the cleaning structures are respectively arranged at the two ends in the shell and comprise the stand columns, the cleaning structures are positioned at the outlet of the shell, when the detected plate is pushed out by the shielding structures, the surface of the plate simultaneously enters between the upper roller brush and the lower roller brush and is fully contacted with the upper roller brush and the lower roller brush, and the sliding shaft sleeves at the two sides of the roller brushes can slide back and forth in the limiting grooves according to the thickness of the plate under the elastic pressing of the extension springs, so that the cleaning effect is improved;

(2) the positioning structure is arranged between the base and the shell and consists of a first fluted disc, a second fluted disc, a cavity, a screw rod, a clamping plate, a traveling ball, a threaded sleeve block, a rotating shaft and a transverse groove, the first fluted disc fixed on two sides of the positioning structure drives the second fluted disc and the screw rod meshed with the positioning structure to rotate oppositely in a mode of rotating the rotating shaft in the transverse groove, and the threaded sleeve block is moved in the horizontal direction in the cavity to ensure that the clamping plate and the traveling ball attach and fix the light guide plate fed into the shell, so that the clamping plate and the traveling ball are prevented from being misplaced or moved during detection;

(3) the shielding structure is arranged at the top of one end of the shell and consists of the fixed shaft, the mounting seat, the baffle, the bolt and the through groove, the through groove is twisted and the fixed shaft arranged in the fixed shaft is lifted or sunk to the baffle connected with one end of the through groove, so that light of the LED lamp panel can be prevented from scattering, the panel can be pushed out of the shell after the inspection is finished, and the rigidness of detection can be kept while killing two birds with one stone.

Drawings

Fig. 1 is a schematic view of a rear view cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the positioning structure of the present invention;

FIG. 3 is a schematic view of the shielding structure of the present invention;

fig. 4 is a schematic view of a front cross-section of the column of the present invention.

In the figure: 1. a base; 2. a positioning structure; 201. a first fluted disc; 202. a second fluted disc; 203. a cavity; 204. a screw rod; 205. a splint; 206. rolling the beads; 207. a threaded bushing block; 208. a rotating shaft; 209. a transverse groove; 3. a housing; 4. a column; 5. a shielding structure; 501. a fixed shaft; 502. a mounting seat; 503. a baffle plate; 504. a bolt; 505. a through groove; 6. an image pickup device; 7. a roller brush; 8. an LED lamp panel; 9. a limiting groove; 10. an extension spring; 11. and a sliding shaft sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, a machine vision inspection device for defects of a light guide plate comprises a base 1 and a shell 3, wherein the top end of the base 1 is fixedly connected with the shell 3, a positioning structure 2 is arranged between the base 1 and the shell 3, a shielding structure 5 is arranged at the top of one end of the shell 3, an image shooting device 6 is fixedly connected to the top end of the interior of the shell 3, an LED lamp panel 8 is fixedly connected to the bottom end of the interior of the shell 3, and cleaning structures are respectively arranged at two ends of the interior of the shell 3;

referring to fig. 1-4, a machine vision inspection apparatus for detecting defects of a light guide plate further includes a cleaning structure, the cleaning structure includes a stand column 4, the stand column 4 is respectively and fixedly connected to two sides of two ends inside a housing 3, a limiting groove 9 is respectively arranged at the top end and the bottom end inside the stand column 4, an extension spring 10 is fixedly connected inside the limiting groove 9, one end of the extension spring 10 is fixedly connected with a sliding shaft sleeve 11, and a roller brush 7 is movably connected between one side inside the sliding shaft sleeve 11;

specifically, as shown in fig. 1 and 4, the structure is located at the outlet of the housing 3, when the detected plate is pushed out by the shielding structure 5, the surface of the detected plate simultaneously enters between the upper and lower sets of roller brushes 7 and fully contacts with the roller brushes, and the sliding shaft sleeves 11 at the two sides of the roller brushes 7 can slide back and forth in the limiting groove 9 according to the thickness of the plate under the elastic pressing of the tension spring 10, so as to improve the cleaning effect.

Example 2: the positioning structure 2 comprises a first fluted disc 201, a second fluted disc 202, a cavity 203, a screw rod 204, a clamping plate 205, balls 206, a thread sleeve block 207, a rotating shaft 208 and a transverse groove 209, wherein the cavity 203 is respectively arranged inside two sides of the shell 3, the inside of the cavity 203 is movably connected with the screw rod 204, the outer side of the screw rod 204 is movably connected with the thread sleeve block 207, one side of the thread sleeve block 207 penetrates through the cavity 203 and is fixedly connected with the clamping plate 205, a plurality of groups of balls 206 are arranged inside the clamping plate 205, the transverse groove 209 is arranged between two sides inside the base 1, the bottom end of the screw rod 204 penetrates through the transverse groove 209 and is fixedly connected with the second fluted disc 202, the rotating shaft 208 is movably connected between two sides inside the transverse groove 209, two sides of the rotating shaft 208 are respectively and fixedly connected with the first fluted disc 201, the inner diameter of the thread sleeve block 207 is larger than the diameter of the screw rod 204, and the thread sleeve blocks 207 are symmetrically distributed about a vertical median line of the screw rod 204;

specifically, as shown in fig. 1 and fig. 2, by rotating the rotating shaft 208 in the transverse groove 209, the first fluted disc 201 fixed on both sides thereof drives the second fluted disc 202 and the screw 204 engaged therewith to rotate oppositely, and the threaded sleeve 207 moves horizontally in the cavity 203, so that the clamping plate 205 and the beads 206 attach and fix the light guide plate fed into the housing 3, and the light guide plate is prevented from being dislocated or moved during detection.

Example 3: the shielding structure 5 is composed of a fixed shaft 501, mounting seats 502, baffle plates 503, bolts 504 and a through groove 505, the through groove 505 is respectively arranged inside two sides of one end of the shell 3, the mounting seats 502 are respectively and fixedly connected to two sides of one end of the top of the inner wall of the shell 3, the fixed shaft 501 is movably connected between the mounting seats 502 and one side of the through groove 505, the baffle plate 503 is fixedly connected to the bottom end of the fixed shaft 501, the bolts 504 are respectively and movably connected to two sides between the fixed shaft 501 and one end of the shell 3, and the fixed shaft 501 and the bolts 504 are in the same vertical plane;

specifically, as shown in fig. 1 and fig. 3, the through groove 505 is twisted with the fixing shaft 501 arranged in the fixing shaft 501 to lift or sink the baffle 503 connected to one end of the through groove, so that light of the LED lamp panel 8 can be prevented from being scattered, and the board can be pushed out of the housing 3 after the inspection is completed, thereby achieving two purposes and maintaining the detection rigidness.

The working principle is as follows: the utility model discloses when using, at first, from the entrance of casing 3 with between panel propelling movement to two sets of cylinder brushes 7 and with it fully contact, and the slip axle sleeve 11 of cylinder brush 7 both sides can be under extension spring 10's elastic compression, slide in the inside of spacing groove 9 back and forth according to the thickness of panel, promote clean effect, ensure the accurate nature of follow-up detection, the fixed axle 501 that sets up in wrench movement logical groove 505 and the fixed axle 501, the baffle 503 that its one end of lifting is connected, meanwhile, the inside pivot 208 of rotating horizontal slot 209, second fluted disc 202 and the lead screw 204 opposite rotation with the meshing with first fluted disc 201 drive of both sides is fixed, screw sleeve piece 207 is under the activity of horizontal direction in cavity 203, make splint 205 and walk pearl 206 and laminate fixedly to sending into the light guide plate of casing 3 inside, avoid it dislocation or remove when examining, put down the baffle 503 that raises, open LED lamp plate 8 and shine and advance its degree of refracting light through image ware 6 and advance through it After the line detection, the plate can be pushed out of the housing 3 by rotating the fixed shaft 501 in the reverse direction with the baffle 503.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A machine vision inspection equipment for light guide plate defect, includes base (1) and casing (3), its characterized in that: the utility model discloses a lamp cleaning device, including base (1), top fixedly connected with casing (3) of base (1), be provided with location structure (2) between base (1) and casing (3), the top of casing (3) one end is provided with shelters from structure (5), the inside top fixedly connected with image shooting ware (6) of casing (3), the inside bottom fixedly connected with LED lamp plate (8) of casing (3), the inside one end of casing (3) is provided with cleans the structure.

2. The machine vision inspection apparatus for defects of light guide plates according to claim 1, wherein: the sweeping structure comprises a stand column (4), the stand column (4) is fixedly connected to two sides of one end inside the shell (3) respectively, a limiting groove (9) is formed in the top end and the bottom end inside the stand column (4) respectively, an extension spring (10) is fixedly connected to the inside of the limiting groove (9), a sliding shaft sleeve (11) is fixedly connected to one end of the extension spring (10), and a roller brush (7) is movably connected between one side inside the sliding shaft sleeve (11).

3. The machine vision inspection apparatus for defects of light guide plates according to claim 1, wherein: the positioning structure (2) is composed of a first fluted disc (201), a second fluted disc (202), a cavity (203), a lead screw (204), a clamping plate (205), a ball (206), a threaded sleeve block (207), a rotating shaft (208) and a transverse groove (209), wherein the cavity (203) is respectively arranged inside two sides of the shell (3), the lead screw (204) is movably connected inside the cavity (203), the threaded sleeve block (207) is movably connected outside the lead screw (204), the clamping plate (205) is fixedly connected with the cavity (203) by one side of the threaded sleeve block (207), the multiple groups of balls (206) are arranged inside the clamping plate (205), the transverse groove (209) is arranged between two sides inside the base (1), the second fluted disc (202) is fixedly connected with the bottom end of the lead screw (204) by penetrating through the transverse groove (209), and the rotating shaft (208) is movably connected between two sides inside the transverse groove (209), two sides of the rotating shaft (208) are respectively and fixedly connected with a first fluted disc (201).

4. The machine vision inspection apparatus for defects of light guide plates according to claim 3, wherein: the inner diameter of the thread sleeve block (207) is larger than the diameter of the screw rod (204), and the thread sleeve block (207) is symmetrically distributed around the vertical middle line of the screw rod (204).

5. The machine vision inspection apparatus for defects of light guide plates according to claim 1, wherein: shelter from structure (5) and constitute by fixed axle (501), mount pad (502), baffle (503), bolt (504) and lead to groove (505), lead to groove (505) and set up the inside in casing (3) one end both sides respectively, mount pad (502) fixed connection is in the both sides of casing (3) inner wall top one end respectively, swing joint has fixed axle (501) between one side of mount pad (502) and lead to groove (505), the bottom fixedly connected with baffle (503) of fixed axle (501), both sides between fixed axle (501) and casing (3) one end swing joint have bolt (504) respectively.

6. The machine vision inspection device for defects of light guide plates according to claim 5, wherein: the fixed shaft (501) and the bolt (504) are positioned on the same vertical plane.