CN218995190U

CN218995190U - Lens defect detector

Info

Publication number: CN218995190U
Application number: CN202223321258.0U
Authority: CN
Inventors: 蒋新明; 宋献军; 何东方; 农加清
Original assignee: Zhongshan Xinyu Photoelectric Technology Co ltd
Current assignee: Zhongshan Xinyu Photoelectric Technology Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-09
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a lens defect detector which comprises a detector body, a turnover assembly and an anti-shielding assembly. According to the lens defect detector, after the front detection of the lens at the upper end of the supporting plate is finished, the first clamping blocks and the second clamping blocks at the two sides can be turned over by the retracting of the electric push rod and the driving of the miniature stepping motor after clamping, so that the detection after the turning over of the lens is carried out by the second shooting detector at the rear end, the double-sided detection of the lens is realized, the defect at the upper end of the lens is accurately found, the detection precision is improved, and the miniature double-shaft motors at the outer sides of the first clamping blocks and the second clamping blocks can also open and close the two sides of the turned first clamping blocks and the turned second clamping blocks, so that the blocking of the first clamping blocks and the second clamping blocks to the side edges of the lens is avoided, and the detection precision is influenced.

Description

Lens defect detector

Technical Field

The utility model relates to the technical field of industrial detection, in particular to a lens defect detector.

Background

The lens quality detector is widely applied to output detection after lens production is finished, so that the lens is convenient to finish, the lens is assembled and used at the upper end of a corresponding instrument, and the accuracy requirement of the instrument on the use of the lens is high, so that whether the surface of the lens is worn, defective and smooth is required to be detected, and the quality detection of the lens with high precision in industrial production is required to be high in accuracy and high in efficiency.

An existing lens defect detector, such as a lens detecting device disclosed in publication number CN212301367U, although a detecting camera can receive reflected light reflected by the surface of a lens to be detected for imaging, and process the image to improve the detecting efficiency and accuracy, the clamping jaw at the upper end of the lens can also shield the edge of the lens while the lens can not be turned over for detection, so that the detecting effect is easily affected.

Disclosure of Invention

The utility model mainly aims to provide a lens defect detector which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a lens defect detection machine, includes detects the machine body, upset subassembly and prevents sheltering from the subassembly, detect the machine body and still include the first detector of making a video recording and the second detector of making a video recording of its upper end bilateral symmetry installation, upset subassembly is including detecting the revolving stage of machine body upper end installation to and detect the motor that the rotatory revolving stage of machine body bottom installation carries out the rotation, the multiunit round hole has still been seted up to the upper end of revolving stage, upset subassembly still includes the first clamp splice and the second clamp splice that are used for carrying out the centre gripping upset to the lens of round hole upper end bilateral symmetry installation.

Preferably, the turnover assembly further comprises a micro stepping motor which is arranged at the rear end of the first clamping block and used for driving the first clamping block, and a supporting frame which is movably connected with the rear end of the second clamping block, and a rotary connection structure is arranged between the second clamping block and the supporting frame.

Preferably, the overturning assembly further comprises an electric push rod arranged in the round hole and a supporting plate which is driven by the upper end of the electric push rod and matched with the round hole.

Preferably, the shielding prevention assembly comprises a plurality of groups of miniature double-shaft motors arranged and installed outside round holes at the upper end of the rotary table, double-threaded rods installed at two ends of the miniature double-shaft motors, and fixing seats movably connected with two sides of the double-threaded rods and fixedly installed at the upper end of the rotary table.

Preferably, the shielding prevention assembly further comprises a micro stepping motor and a sliding seat frame which is fixedly connected with the outer side of the supporting frame and is arranged on two sides of the upper end of the double threaded rod.

Preferably, the shielding prevention assembly further comprises sliding grooves formed in two sides of the lower end of the miniature stepping motor and the lower end of the supporting frame, and sliding rods positioned in the sliding grooves are arranged at the lower ends of the miniature stepping motor and the supporting frame.

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

1. after the front detection of the lens at the upper end of the supporting plate is finished, the first image pickup detector at the upper end of the machine body is used for detecting the front of the lens at the upper end of the supporting plate, the first clamping block and the second clamping block at the two sides can be used for overturning the lens between the first clamping block and the second clamping block through the retraction of the electric push rod and the driving of the miniature stepping motor after clamping, so that the detection after overturning the lens is carried out through the second image pickup detector at the rear end, the double-sided detection of the lens is realized, the defect at the upper end of the lens is accurately found, and the detection precision is improved;

2. a lens defect detector, a miniature double-shaft motor outside a first clamping block and a second clamping block can open and close the two sides of the first clamping block and the second clamping block after turning over, so that the first clamping block and the second clamping block are prevented from shielding the side edges of a lens, and the detection accuracy of the lens is prevented from being influenced.

Drawings

FIG. 1 is a schematic diagram of an overall structure of a lens defect inspection machine according to the present utility model;

FIG. 2 is a partial side cross-sectional view of a lens defect detector at a circular aperture in accordance with the present utility model;

fig. 3 is an enlarged view of a lens defect detector of fig. 1 according to the present utility model.

Reference numerals:

100. a detector body; 110. a first imaging detector; 120. a second imaging detector;

200. a flip assembly; 210. a rotary table; 211. a round hole; 220. a first clamping block; 230. a second clamping block; 240. a micro stepping motor; 250. a support frame; 260. an electric push rod; 270. a support plate;

300. an anti-shade assembly; 310. a miniature double-shaft motor; 320. a double threaded rod; 330. a saddle frame; 340. a chute; 350. a fixing seat.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Embodiment one:

as shown in fig. 1-3, this embodiment provides a lens defect detecting machine, including a detecting machine body 100, a turnover assembly 200 and an anti-shielding assembly 300, the detecting machine body 100 further includes a first camera detector 110 and a second camera detector 120 symmetrically installed at two sides of an upper end of the detecting machine body 100, the turnover assembly 200 includes a rotary table 210 installed at an upper end of the detecting machine body 100, and a motor for rotating the rotary table 210 installed at a bottom of the detecting machine body 100, a plurality of groups of round holes 211 are further arranged at an upper end of the rotary table 210, the turnover assembly 200 further includes a first clamping block 220 and a second clamping block 230 symmetrically installed at two sides of an upper end of the round hole 211 for clamping and turning a lens, the turnover assembly 200 further includes a micro stepping motor 240 installed at a rear end of the first clamping block 220 and a support 250 movably connected at a rear end of the second clamping block 230, the micro stepping motor 240 is 57BYG250B, the second clamping block 230 and the support 250 are in a rotary connection structure, the turnover assembly 200 further includes an electric push rod 260 installed inside the round hole 211, and a support plate 260 driven by the electric push rod 260 is a model of the round hole 260D 011 matched with the electric push rod 260.

Specifically, after the front detection of the lens at the upper end of the upper support plate 270 of the rotating table 210 is completed by the first camera detector 110 at the upper end of the detector body 100, before the lens is transferred to the second camera detector 120 for detection, the first clamping block 220 and the second clamping block 230 at both sides can clamp the lens at the upper end of the support plate 270 after the front detection between the first clamping block 220 and the second clamping block 230 under the driving of the micro double-shaft motor 310, and the lens between the first clamping block 220 and the second clamping block 230 is turned over by the retraction of the electric push rod 260 after the clamping and the driving of the micro stepping motor 240, so that the detection after the lens is turned over by the second camera detector 120 at the rear end is realized, the double-sided detection of the lens is realized, the defect at the upper end of the lens is precisely found, and the detection precision is improved.

Embodiment two:

on the basis of the first embodiment, as shown in fig. 3, the anti-shielding assembly 300 includes a plurality of groups of micro double-shaft motors 310 arranged and mounted outside the round hole 211 at the upper end of the rotary table 210, and double-threaded rods 320 mounted at two ends of the micro double-shaft motors 310, the model number of the micro double-shaft motors 310 is 28HS3306B4K-01, two sides of the double-threaded rods 320 are movably connected and fixedly mounted on a fixing seat 350 at the upper end of the rotary table 210, the anti-shielding assembly 300 further includes a micro stepping motor 240 and a support 250, two sides of the upper end of the double-threaded rods 320 are fixedly connected and mounted on a sliding seat frame 330, the anti-shielding assembly 300 further includes sliding grooves 340 formed at two sides of the lower ends of the micro stepping motor 240 and the support 250, and sliding rods positioned inside the sliding grooves 340 are arranged at the lower ends of the micro stepping motor 240 and the support 250.

Specifically, the miniature double-shaft motor 310 that opens and shuts it and the double-threaded rod 320 that drives in the outside of first clamp splice 220 and second clamp splice 230 can be used to the lens before the lens turn-over first clamp splice 220 and second clamp splice 230, also can be after the lens turn-over is accomplished, open and shut to the first clamp splice 220 and the second clamp splice 230 of lens both sides, open and shut in both sides to in order to avoid the lens to be in the detection of centre gripping, the shielding of first clamp splice 220 and second clamp splice 230 to the lens side influences its detection accuracy.

The working principle and the using flow of the utility model are as follows:

when the lens at the upper end of the detector body 100 is detected, the lens is sequentially placed at the center of the upper part of the support plate 270 at the upper end of the rotary table 210, the front surface of the lens can be detected by the first camera detector 110 at the upper end of the detector body 100 through the rotation of the rotary table 210, after the front surface detection of the lens is finished, before the lower end of the second camera detector 120 at the other side is rotated, the micro double-shaft motor 310 is started first to drive the double-threaded rods 320 at both sides, so that the slide carriage frames 330 at both sides of the double-threaded rods 320 respectively drive the micro stepping motors 240 and the support frames 250 at the rear ends of the first clamping block 220 and the second clamping block 230 to open and close along the sliding grooves 340 at both sides, thereby clamping the lens detected at the front surface of the upper part of the support plate 270 between the first clamping block 220 and the second clamping block 230, the electric push rod 260 at the bottom of the supporting plate 270 is started to retract the supporting plate 270 to the inside of the round hole 211, so that after the supporting plate 270 is retracted, the micro stepping motor 240 starts to work, the first clamping block 220 and the second clamping block 230, and the lens between the first clamping block 220 and the second clamping block 230 are turned 180 degrees, so that the back surface of the lens faces upwards, after the lens finishes turning, the supporting plate 270, the first clamping block 220 and the second clamping block 230 place the lens in the center of the supporting plate 270 under the sequential return of the electric push rod 260 and the micro double-shaft motor 310, and the first clamping block 220 and the second clamping block 230 at the two sides of the lens are opened and closed to return, so that the lens after the turning is rotated to the bottom of the second camera detector 120 by the rotary table 210, and then the detection after the lens turning is performed again.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a lens defect detection machine, includes detects machine body (100), upset subassembly (200) and prevents shielding subassembly (300), detect machine body (100) still including first camera shooting detector (110) and second camera shooting detector (120) of its upper end bilateral symmetry installation, a serial communication port, upset subassembly (200) are including revolving stage (210) of detecting machine body (100) upper end installation to and detect the motor of revolving stage (210) of machine body (100) bottom installation, multiunit round hole (211) have still been seted up to the upper end of revolving stage (210), upset subassembly (200) still include first clamp splice (220) and second clamp splice (230) that are used for carrying out the centre gripping upset to the lens of round hole (211) upper end bilateral symmetry installation.

2. The lens defect inspection machine according to claim 1, wherein the turnover assembly (200) further comprises a micro stepping motor (240) mounted at the rear end of the first clamping block (220) for driving the turnover assembly, and a supporting frame (250) movably connected at the rear end of the second clamping block (230), and the second clamping block (230) and the supporting frame (250) are in a rotary connection structure.

3. The lens defect inspection machine according to claim 1, wherein the tilting assembly (200) further comprises an electric push rod (260) installed inside the circular hole (211), and a support plate (270) driven by the upper end of the electric push rod (260) and matched with the circular hole (211).

4. The lens defect detecting machine according to claim 1, wherein the shielding prevention assembly (300) comprises a plurality of groups of miniature double-shaft motors (310) arranged outside a round hole (211) at the upper end of the rotary table (210), and double-threaded rods (320) arranged at two ends of the miniature double-shaft motors (310), wherein two sides of the double-threaded rods (320) are movably connected and fixedly arranged on a fixing seat (350) at the upper end of the rotary table (210).

5. The lens defect detector according to claim 1, wherein the shielding prevention assembly (300) further comprises a sliding seat frame (330) fixedly connected to the outer side of the supporting frame (250) and mounted on two sides of the upper end of the double threaded rod (320), respectively.

6. The lens defect detector according to claim 1, wherein the shielding component (300) further comprises sliding grooves (340) formed in two sides of the lower ends of the micro stepping motor (240) and the supporting frame (250), and sliding rods located inside the sliding grooves (340) are arranged at the lower ends of the micro stepping motor (240) and the supporting frame (250).