CN215525588U

CN215525588U - Visual inspection device for appearance defects of optical lenses

Info

Publication number: CN215525588U
Application number: CN202121799660.2U
Authority: CN
Inventors: 唐牡丹; 陈柏年
Original assignee: Shida Optoelectronics Dongguan Co ltd
Current assignee: Shida Optoelectronics Dongguan Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-01-14
Anticipated expiration: 2031-08-03

Abstract

The utility model relates to the technical field of optical lenses, in particular to an optical lens appearance flaw visual detection device which comprises a bottom plate, wherein a detection table is arranged in the middle of the upper surface of the bottom plate, the detection table is of an Contraband-shaped structure, an LED lamp source is arranged in the middle of the detection table, an adjustable clamping mechanism is arranged at the top of the detection table, two side plates are respectively arranged on two sides of the upper surface of the bottom plate, the side plates are connected with a top plate, and an industrial camera is arranged on the bottom surface of the top plate. When detecting the product, first push rod and second push rod extension are promoted first bracket and second bracket to the centre, then will wait to detect the lens and put on first bracket and second bracket, open the LED lamp source and shine and wait to detect the lens, and the industry camera is shot and is uploaded detecting system and carry out the flaw to the product and detect to the lens, and is convenient more, swift, improves work efficiency.

Description

Visual inspection device for appearance defects of optical lenses

Technical Field

The utility model relates to the technical field of optical lenses, in particular to an optical lens appearance flaw visual detection device.

Background

The optical glass lens is prepared with high-purity silicon, boron, sodium, potassium, zinc, lead, magnesium, calcium, barium and other oxides and through mixing, high temperature smelting in platinum crucible, ultrasonic stirring to eliminate bubble, and long time slow cooling to avoid the generation of inner stress in the glass block. In the processing process, scratches, burrs, bubbles, notches, threads and other defects are easily formed.

Most of the existing flaw detection methods are that detection workers realize multi-angle observation on a detected lens through actions such as rotation, inclination and the like under the assistance of an incandescent lamp, and the method not only harms the eyesight of the detection workers, but also has slower detection speed; also there is automatic checkout's device among the prior art, during the detection, with lens horizontal installation on anchor clamps, then use the image of industry camera shooting lens and upload and detect among the detecting system, but can't detect the lens lateral wall, can produce and detect the dead angle for there is the defective products in the follow-up product, influenced the overall quality of product.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a visual inspection apparatus for detecting defects in the appearance of an optical lens, so as to solve the problems mentioned above in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an optical lens piece outward appearance flaw visual detection device, including the bottom plate, the upper surface intermediate position of bottom plate is installed and is examined test table, it is "Contraband" type structure to examine test table, examine test table's centre and install the LED lamp source, adjustable fixture is installed at the top of examining test table, a curb plate is respectively installed to the upper surface both sides of bottom plate, the curb plate is connected with the roof, industry camera is installed to the roof bottom surface.

Preferably, the clamping mechanism comprises a first mounting block and a second mounting block, and the first mounting block and the second mounting block are respectively fixed on the top surfaces of the two ends of the detection table.

Preferably, a first push rod is mounted on the side wall of the first mounting block, and a first bracket is mounted at the end of the first push rod.

Preferably, the second mounting block is provided with a mounting hole, an inner disc is rotatably mounted in the mounting hole, the inner disc is of a cylindrical disc structure, a toothed ring is arranged on the side wall of the inner disc, a first motor is mounted on the side surface of the second mounting block, an output shaft of the first motor is connected with a gear, and the gear is meshed with the toothed ring.

Preferably, a second push rod is installed on one side surface of the inner disc, and a second bracket is connected to the end of the second push rod.

Preferably, a third push rod is respectively arranged above and below the second push rod, the end part of the third push rod is connected with a movable block, a mounting groove is formed in the movable block, a fourth push rod is rotatably mounted in the mounting groove, the end part of the fourth push rod is connected with a clamping block, a second motor is mounted on one movable block, and an output shaft of the second motor is fixedly connected with the fourth push rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. when a product is detected, the first push rod and the second push rod extend to push the first bracket and the second bracket to the middle, then the lens to be detected is placed on the first bracket and the second bracket, the LED light source is turned on to irradiate the lens to be detected, the lens is shot by the industrial camera and uploaded to the detection system to detect flaws of the product, and therefore the method is convenient and fast to use, and working efficiency is improved;

2. after the horizontal surface to the lens detects the completion, the third push rod extends, make the movable block be located the upper and lower side of lens, then the fourth push rod extension promotes the clamp splice, make the clamp splice at both ends fixed with the lens centre gripping, first push rod and second push rod retract simultaneously, then first motor starts to drive gear revolve, then drive the inner disc and rotate ninety degrees, make the lens be in vertical state, make detection device can carry out the flaw to the lateral wall of lens and detect, it drives the fourth push rod and rotates to start the second motor, can make the lens take place to rotate, so that the angle of adjustment lens, the effect that detects has been improved, the defective rate of reduction product.

Drawings

FIG. 1 is a schematic view of the apparatus of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is an enlarged view of fig. 1 at B.

In the figure: the detection device comprises a bottom plate 1, a detection table 2, a first installation block 3, a first push rod 4, a first bracket 5, a second installation block 6, an inner disc 7, a toothed ring 701, a first motor 8, a gear 801, a second push rod 9, a second bracket 10, a third push rod 11, a movable block 12, a fourth push rod 13, a clamping block 14, a second motor 15, an LED lamp source 16, a side plate 17, a top plate 18 and an industrial camera 19.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides an optical lens outward appearance flaw visual inspection device, is including bottom plate 1, and the upper surface intermediate position of bottom plate 1 is installed and is examined test table 2, examines test table 2 and be "Contraband" type structure, examines the middle LED lamp source 16 of installing of test table 2, examines the top of test table 2 and installs adjustable fixture.

The clamping mechanism comprises a first mounting block 3 and a second mounting block 6, and the first mounting block 3 and the second mounting block 6 are respectively fixed on the top surfaces of two ends of the detection table 2. A first push rod 4 is mounted on the side wall of the first mounting block 3, a first bracket 5 is mounted at the end of the first push rod 4, a mounting hole is formed in the second mounting block 6, an inner disc 7 is rotatably mounted in the mounting hole, two rings of limiting balls are arranged in the mounting hole, two annular limiting grooves are formed in the side wall of the inner disc 7, the limiting balls are embedded in the limiting grooves, the inner disc 7 can stably rotate, the inner disc 7 is of a cylindrical disc structure, a toothed ring 701 is arranged on the side wall of the inner disc 7, a first motor 8 is mounted on the side surface of the second mounting block 6, an output shaft of the first motor 8 is connected with a gear 801, and the gear 801 is meshed with the toothed ring 701; a second push rod 9 is arranged on the surface of one side of the inner disc 7, the end part of the second push rod 9 is connected with a second bracket 10, the model of the second push rod 9 is the same as that of the first push rod 4, the second bracket 10 and the first bracket 5 are the same in structure and are symmetrically arranged, the second bracket 10 and the first bracket 5 are of a semicircular ring structure, and an embedded groove is formed above the second bracket 10 and the first bracket 5, so that when the second bracket 10 and the first bracket 5 are combined together, a lens to be detected can be stably placed in the embedded groove, a third push rod 11 is respectively arranged above and below the second push rod 9, the end part of the third push rod 11 is connected with a movable block 12, a mounting groove is formed on the movable block 12, a fourth push rod 13 is rotatably arranged in the mounting groove, the fourth push rod 13 is fixedly connected with the inner ring of a bearing, the outer ring of the bearing is fixed on the inner surface of the mounting groove, the end part of the fourth push rod 13 is connected with a clamping block 14, the surface of the clamping block 14 is provided with a layer of anti-skidding soft cushion, one movable block 12 is provided with a second motor 15, and an output shaft of the second motor 15 is fixedly connected with a fourth push rod 13.

Two sides of the upper surface of the bottom plate 1 are respectively provided with a side plate 17, the side plates 17 are connected with a top plate 18, and the bottom surface of the top plate 18 is provided with an industrial camera 19.

The working principle is as follows: when a product is detected, the first push rod 4 and the second push rod 9 extend to push the first bracket 5 and the second bracket 10 to the middle, then the lens to be detected is placed on the first bracket 5 and the second bracket 10, the LED light source 16 is turned on to irradiate the lens to be detected, the industrial camera 19 shoots the lens and uploads the lens to the detection system to detect defects of the product, and therefore the product detection is convenient and rapid to carry out and the working efficiency is improved; after horizontal surface to the lens detects the completion, third push rod 11 extends, make the movable block 12 be located the upper and lower side of lens, then fourth push rod 13 extends and promotes clamp splice 14, make the clamp splice 14 at both ends fixed with the lens centre gripping, first push rod 4 and second push rod 9 retract simultaneously, then first motor 8 starts drive gear 801 and rotates, then drive inner disc 7 and rotate ninety degrees, make the lens be in vertical state, make detection device can carry out the flaw to the lateral wall of lens and detect, it drives fourth push rod 13 and rotates to start second motor 15, can make the lens take place to rotate, so that the angle of adjustment lens, the effect that detects has been improved, reduce the defective rate of product.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an optical lens outward appearance flaw visual inspection device, includes bottom plate (1), its characterized in that: the utility model discloses a detection platform, including bottom plate (1), upper surface intermediate position of bottom plate (1) installs and examines test table (2), it is "Contraband" type structure to examine test table (2), it installs LED lamp source (16) to examine the centre of test table (2), adjustable fixture is installed at the top of examining test table (2), a curb plate (17) are respectively installed to the upper surface both sides of bottom plate (1), curb plate (17) are connected with roof (18), industry camera (19) are installed to roof (18) bottom surface.

2. The visual inspection device for visual defects of optical lens appearance according to claim 1, wherein: the clamping mechanism comprises a first mounting block (3) and a second mounting block (6), and the first mounting block (3) and the second mounting block (6) are respectively fixed on the top surfaces of the two ends of the detection table (2).

3. The visual inspection device for visual defects of optical lens appearance according to claim 2, wherein: install first push rod (4) on the lateral wall of first installation piece (3), first bracket (5) are installed to the tip of first push rod (4).

4. The visual inspection device for visual defects of optical lens appearance according to claim 2, wherein: the mounting hole has been seted up on second installation piece (6), and the mounting hole rotates in and installs inner disc (7), and inner disc (7) are the cylindrical disk structure, are provided with ring gear (701) on the lateral wall of inner disc (7), and the side-mounting of second installation piece (6) has first motor (8), and the output shaft of first motor (8) has gear (801), and gear (801) and ring gear (701) meshing are connected.

5. The visual inspection device for visual defects of optical lens appearance according to claim 4, wherein: a second push rod (9) is installed on the surface of one side of the inner disc (7), and the end part of the second push rod (9) is connected with a second bracket (10).

6. The visual inspection device for visual defects of optical lens appearance according to claim 5, wherein: the upper and lower side of second push rod (9) respectively is provided with a third push rod (11), the end connection of third push rod (11) has movable block (12), has seted up the mounting groove on movable block (12), and fourth push rod (13) are installed to the mounting groove internal rotation, and the end connection of fourth push rod (13) has clamp splice (14), installs second motor (15) on one of them movable block (12), the output shaft and the fourth push rod (13) fixed connection of second motor (15).