CN217528300U

CN217528300U - Device for fully automatically detecting appearance defects

Info

Publication number: CN217528300U
Application number: CN202221291067.1U
Authority: CN
Inventors: 何强; 高青山; 刘铁军; 刘建鹏
Original assignee: Dongguan Liangcheng Electronics Co ltd
Current assignee: Dongguan Liangcheng Electronics Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-10-04
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses a full automated inspection outward appearance is bad device, which comprises a frame, frame one side is equipped with analysis terminal, lies in analysis terminal one side in the frame and is equipped with transport mechanism, is equipped with detection mechanism, manipulator at transport mechanism's side, and detection mechanism is connected with analysis terminal, is equipped with the electronic box in the frame, and detection mechanism, manipulator, transport mechanism all are connected with the electronic box, and frame one side is equipped with the yields and receives the silo and the silo is received to the defective products. The utility model discloses carry out automated inspection to the glass lens, can be more accurate discern defective products and yields and categorised collection promotes the quality of dispatching from the factory, avoids the defective products to flow.

Description

Device for fully automatically detecting appearance defects

Technical Field

The utility model relates to a product detection device, specifically speaking are the bad device of full automated inspection outward appearance that mainly detects to cell-phone glass, flat glass lens.

Background

For mobile phone glass lenses and flat glass lenses, in the production process, the method has a detection procedure for detecting whether the appearances of the glass lenses have defects, specifically, whether the surfaces of the glass lenses have the problems of scratches, collapse, ink stains and the like, if yes, the appearance of the glass lens has a poor problem, and the glass lens is an unqualified product and needs to be removed in time; if the surface of the glass lens does not have the above-mentioned various defect problems, the glass lens is a non-defective product.

Present to cell-phone glass lens, the outward appearance of sheet glass lens detects, most still are through manual operation, through artifical inspection and secondary inspection screening out the defective appearance article, this kind of operating method, to artificial dependence than higher, and through artifical two times inspection screening, inefficiency, and along with the increase of measurement personnel's tired sense, the fault rate also can increase thereupon, can lead to detecting success rate to lower and lower along with operating time's lapse, thereby inevitable some glass lens products of the poor outward appearance flow, bring the loss for the user, cause the problem in the quality for the product.

The prior patent CN202122234856.3 discloses a flat glass appearance defect detection device, which comprises a conveying module fixedly arranged in the middle of a rack, and a product centering module, a side edge visual detection module, a surface visual detection module and an end angle visual detection module which are distributed around the conveying module, wherein the product centering module is arranged on two sides of the conveying module; the side visual detection module comprises a first side visual detection module and a second side visual detection module, the first side visual detection module is arranged at two sides of the conveying module, and the second side visual detection module is erected above the conveying module; the surface visual detection module comprises an upper surface visual detection module and a lower surface visual detection module, the upper surface visual detection module is erected above the conveying module, and the lower surface visual detection module is arranged below the conveying module and extends into the rack; the end angle visual detection module is arranged on two sides of the conveying module. The prior patent realizes automatic detection of the plate glass to a certain extent, but the prior patent has certain complexity for some smaller glass lenses, such as mobile phone glass lenses and tablet personal computer mobile phone glass lenses.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an automated inspection, the bad device of full automated inspection outward appearance that can discern and categorised collection accurately.

In order to solve the technical problem, the utility model discloses take following technical scheme:

the utility model provides a device that full automated inspection outward appearance is bad, includes the frame, frame one side is equipped with analysis terminal, lies in analysis terminal one side in the frame and is equipped with transport mechanism, is equipped with detection mechanism, manipulator at transport mechanism's side, and detection mechanism is connected with analysis terminal, is equipped with the electronic box in the frame, and detection mechanism, manipulator, transport mechanism all are connected with the electronic box, and frame one side is equipped with the yields and receives the silo and the defective products receives the silo.

As a further improvement to the scheme, the conveying mechanism comprises a conveying motor and a conveying belt, the conveying motor is arranged on the lower portion of the rack, a driving shaft and a driven shaft are arranged on two sides of the upper end of the rack through bearings, the driving shaft is connected with a driving shaft of the conveying motor through a belt wheel and a belt, the driving shaft is connected with the driven shaft through a synchronous belt, the conveying belt circularly bypasses the driving shaft and the driven shaft, and the driving shaft is driven to rotate through the conveying motor so as to drive the conveying belt to convey.

As a further improvement on the scheme, the conveying motor is a servo motor.

As a further improvement of the scheme, the mechanical arm is a rotary mechanical arm.

As a further improvement of the scheme, the upper end of the frame is provided with a top cover, and the rotary manipulator is arranged on the top cover.

As a further improvement of the scheme, the rotary manipulator is arranged on the upper end face of the rack and is positioned on one side of the conveyor belt.

As a further improvement of the scheme, the front end of the manipulator is provided with an air suction head, and the air suction head is connected with an external air source through an air pipe.

As a further improvement of the scheme, the detection mechanism is a line scanning camera with a rotation function.

As a further improvement of the scheme, a light source is arranged on one side of the line scanning camera and is connected with the electronic box.

As a further improvement of the scheme, a light source and a line scanning camera are respectively arranged on two sides of the conveying belt.

The utility model discloses following beneficial effect has:

1. through the combination setting of transport mechanism and manipulator, can be at the in-process of carrying the glass lens, during the yields that will discern were placed the yields and are received the silo, and the yields is placed the yields and is received the silo to avoid the defective products also to flow out together in mixing the yields, improve the outgoing quality of product.

2. Through the line scanning camera that sets up, carry out the scanning discernment of each angle to the glass lens, then convey the image that scans to analysis terminal, utilize the analysis procedure of presetting in the analysis terminal to carry out the analysis, discern that present glass lens is the yields or defective products to realize accurate discernment.

3. Through the light source that sets up, can ensure that can both discern the surface condition of glass lens under different light, ensure to detect the precision.

Drawings

FIG. 1 is a schematic view of a partial three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the fully assembled three-dimensional structure of the present invention;

fig. 3 is a partially cut-away schematic front view of the present invention;

reference numerals:

1-a frame; 2-a detection mechanism; 3, a conveyor belt; 4-glass lens; 5-a light source; 6-top cover; 7-an analysis terminal; 8-a manipulator; 9-an electric box; 10-a conveyor motor; 11-a belt; 12-a drive shaft; 13-synchronous belt; 14-a driven shaft; 15-a good product receiving trough; 16-a defective product receiving tank; 17-a conveyor belt; 18-suction head.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that if there are the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" etc. referring to the indicated orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplicity of description, and it is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example one

As shown in fig. 1-3, a device for full-automatic detection of poor appearance comprises a frame 1, wherein an analysis terminal 7 is arranged on one side of the frame 1, a conveying mechanism is arranged on one side of the analysis terminal 7 on the frame 1, a detection mechanism 2 and a manipulator 8 are arranged on the side edge of the conveying mechanism, the detection mechanism 2 is connected with the analysis terminal 7, an electric box 9 is arranged in the frame 1, the detection mechanism 2, the manipulator 8 and the conveying mechanism are all connected with the electric box, and a good product receiving groove 15 and a bad product receiving groove 16 are arranged on one side of the frame 1. The good product is received silo 15 and defective products and is received interior bottom and lateral wall in groove 16 and can paste and establish the cushion, guarantees not to cause the damage to the glass lens at the in-process of placing the glass lens, plays the guard action effectively to the glass lens. The manipulator is selected to be a rotary manipulator, can rotate 360 degrees, can rotate at different angles, and can absorb the glass lenses at different angular positions. The analysis terminal can be the computer, can set up the display screen, and this display screen can be the touch-sensitive screen, and the built-in corresponding analysis recognition program that has of analysis terminal to and control program can carry out the analysis to the image that detection mechanism conveyed and come, whether have the defect problem in order to discern the surface of glass lens, then control manipulator and carry out relevant operation. The electric box can be provided with a corresponding power supply to ensure continuous operation. The conveying mechanism conveys the glass lenses and identifies the glass lenses in the conveying process.

As for the rack 1, can be made for stainless steel material, more durable promotes life. The outside of the frame can be provided with a shell panel, the electric box is contained in the shell panel and cannot be exposed, and the shell panel plays a role in protection. The analysis terminal is positioned on one side of the rack, and can be assembled in a fully-enclosed manner, so that the analysis terminal is not influenced.

For the analysis terminal 7, data analysis under different scenes, such as bright scene analysis, dark scene analysis and light and dark comprehensive scene analysis, can be realized, so that received images can be accurately analyzed under different scene environments, and the surface of the glass lens can be accurately detected.

In order to accurately identify and analyze images, images of thousands of pictures with poor appearance are usually recorded in advance, and images at different angles, such as images of glass lenses at different angles of 30 °, 45 °, 90 ° and the like, are included, and are used for performing appearance comparison with products needing appearance detection, and images of appearance problems possibly involved are recorded in advance, so that detection and identification with higher accuracy can be ensured.

Example two

As shown in fig. 1-3, a device for fully automatically detecting appearance defects comprises a frame 1, an analysis terminal 7 is arranged on one side of the frame 1, a transmission mechanism is arranged on one side of the analysis terminal 7 on the frame 1, a detection mechanism 2 and a manipulator 8 are arranged on the side edge of the transmission mechanism, the detection mechanism 2 is connected with the analysis terminal 7, an electric box 9 is arranged in the frame 1, the detection mechanism 2, the manipulator 8 and the transmission mechanism are all connected with the electric box 9, a non-defective product receiving trough 15 and a defective product receiving trough 16 are arranged on one side of the frame 1, the transmission mechanism comprises a transmission motor 10 and a transmission belt 17, the transmission motor 10 is arranged on the lower portion of the frame 1, a driving shaft 12 and a driven shaft 14 are arranged on two sides of the upper end of the frame 1 through bearings, the driving shaft 12 is connected with a driving shaft of the transmission motor 10 through a belt wheel and a belt 11, the driving shaft 12 is connected with the driven shaft 14 through a synchronous belt 13, the transmission belt 17 circulates around the driving shaft 12 and the driven shaft 14, and drives the driving shaft 12 to rotate through the transmission motor 10, so as to drive the transmission belt 17 to transmit. The conveying motor is selected as a servo motor, so that better control can be performed, the conveying motor is only defined by motor names for convenience of description, the motor is a well-known technology in the prior art, and the structure and the principle of the conveying motor are not described in detail herein.

The belt wheel can be installed on the driving shaft of the transmission motor, the belt wheel is also installed on the driving shaft, and the belt wheel on the driving shaft of the transmission motor is connected with the belt wheel on the driving shaft through a belt, so that the transmission motor can drive the driving shaft to rotate. The driving shaft is connected with the driven shaft through the synchronous belt, and the driven shaft can be driven to rotate when the driving shaft rotates, so that the conveying belt can perform cyclic transmission.

In addition, in order to further ensure the stability of the glass lenses in the conveying process, a placing groove position special for placing the glass lenses can be arranged on the conveying belt, the placing groove position can be directly a groove cavity with a plurality of depressions on the conveying belt, and the glass lenses can be placed in the placing groove position to prevent the glass lenses from deviating in the conveying process. Or place the trench and can be a structure that sets up on an independent spare part, for example, a fixed block, set up the trench on this fixed block and be used for placing the glass lens, in order to avoid causing the damage to the glass lens, can also set up the cushion in the trench of fixed block, play the cushioning effect to the glass lens. The fixed block can be stuck on the conveyer belt by glue. A plurality of placing slots can be arranged on the conveyor belt, and a plurality of glass lenses can be placed at one time.

EXAMPLE III

As shown in fig. 1-3, a device for full-automatic detection of poor appearance comprises a frame 1, an analysis terminal 7 is arranged on one side of the frame 1, a conveying mechanism 3 is arranged on one side of the analysis terminal 7 on the frame 1, a detection mechanism 2 and a manipulator 8 are arranged on the side edge of the conveying mechanism 3, the detection mechanism is connected with the analysis terminal, an electric box 9 is arranged in the frame 1, the detection mechanism 2, the manipulator 8 and the conveying mechanism 3 are all connected with the electric box 9, a good product receiving groove 15 and a bad product receiving groove 16 are arranged on one side of the frame 1, wherein a suction head 18 is arranged at the front end of the manipulator 8, and the suction head 18 is connected with an external air source through an air pipe. The suction head can be a square piece, has a plurality of suction holes on the suction head, is connected with outside air supply through the trachea, if air compressor, realizes bleeding and air feed, during the bleed, then has the adsorption affinity, live through vacuum adsorption power with glass lens absorption, and this kind of absorption structure can not cause the damage to glass lens. When the glass lens is moved to a designated position, air is supplied, and the glass lens can be put down. The top cover is arranged at the upper end of the rack, the rotary manipulator is arranged on the top cover and faces downwards, so that the glass lenses on the conveying belt can be conveniently adsorbed and transferred to a specified position

Set up a support riser upwards at the back of frame 1, then install overhead guard 6 at the top of supporting the riser, this overhead guard 6 can be a flat board, extends towards the front of frame, is covering the region that the conveyer belt was located from the top completely.

The light source can be an LED lamp with adjustable luminous power, the LED lamp is a conventional known product and can be locked by screws in a structure assembled on the rack, or a corresponding clamping groove is arranged on the rack firstly, and then the LED lamp is inserted and clamped into the clamping groove, so that the LED lamp is stably installed.

In addition, can also set up a material loading manipulator again in the front position of conveyer belt, adsorb the glass lens and get, then place on the conveyer belt.

For the rotary manipulator, a platform can be arranged on one side of the rack for placing the rotary manipulator.

The detection mechanism can be selected to be a line scanning camera with a rotation function, and a light source is arranged on one side of the line scanning camera and connected with the analysis terminal. The light source can adjust the brightness of the detection environment, and realize the detection of bright scenes and the detection of dark scenes.

In order to improve the detection efficiency, the light source and the line scanning camera are arranged on the two sides of the conveying belt respectively, and in the detection process, the line scanning camera can rotate to shoot at different angles to obtain images at different angles, so that the analysis terminal can be facilitated to carry out sufficient analysis, and the detection precision is improved.

For the specific assembly of the light sources, as shown in fig. 1, two light sources are provided, one light source is arranged on the upper end face of the rack and positioned on one side of the conveyor belt, and the other light source is arranged on the top cover, so that one light source is positioned on the lower part and the other light source is positioned on the upper part and distributed on two sides of the conveyor belt, and more uniform light irradiation can be realized.

For convenience of installation, the middle part of the upper end face of the rack is set as a region of the conveyor belt, and certain regions are reserved on two sides of the conveyor belt and used for assembling the light source.

The utility model discloses when using, can save the bad picture of the outward appearance more than 1000 in advance, guarantee that various outward appearances bad condition all are held including.

The method comprises the steps of placing a glass lens to be detected at a corresponding position of a conveyor belt, starting a system, adjusting a light source, shooting by rotating a line scanning black camera at different angles to obtain glass lens images at different angles, transmitting the images to an analysis terminal, comparing the images with prestored bad pictures in the analysis terminal, judging the glass lens to be a defective product when a comparison result meets a bad product condition, and judging the glass lens to be a good product when the comparison result does not meet the bad product condition. The rotary manipulator rotates by a corresponding angle, moves to the glass lens which is detected and completed, adsorbs the glass lens through the suction head, transfers defective products to be placed in a defective product receiving trough, transfers the good products to be placed in a good product receiving trough, and therefore the good products and the defective products can be effectively screened out, and outflow of the defective products is avoided.

Through the automatic operation, traditional manual primary screening and secondary screening can be omitted, and the degree of dependence on personnel is low. The reject ratio can be reduced to less than 2% after the full inspection through an automatic material inspection system, and the reject ratio is greatly reduced compared with the reject ratio of about 7% of the manual material inspection, so that the detection efficiency and the detection accuracy are greatly improved.

It should be noted that the above is only a preferred embodiment of the present invention, and the present invention is not limited to the above, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced with equivalents, but any modifications, equivalent replacements, improvements, etc. 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 device that full automated inspection outward appearance is bad, includes the frame, its characterized in that, frame one side is equipped with analysis terminal, lies in analysis terminal one side in the frame and is equipped with transport mechanism, is equipped with detection mechanism, manipulator at transport mechanism's side, and detection mechanism is connected with analysis terminal, is equipped with the electronic box in the frame, and detection mechanism, manipulator, transport mechanism all are connected with the electronic box, and frame one side is equipped with the yields and receives the silo and the yields receives the silo.

2. The apparatus according to claim 1, wherein the transmission mechanism comprises a transmission motor and a transmission belt, the transmission motor is mounted at a lower portion of the frame, a driving shaft and a driven shaft are mounted at two sides of an upper end of the frame through bearings, the driving shaft is connected with a driving shaft of the transmission motor through a belt pulley and a belt, the driving shaft is connected with the driven shaft through a synchronous belt, the transmission belt is circularly bypassed around the driving shaft and the driven shaft, and the transmission motor drives the driving shaft to rotate so as to drive the transmission belt to transmit.

3. The apparatus according to claim 2, wherein the conveyor motor is a servo motor.

4. The apparatus according to claim 3, wherein the robot is a rotary robot.

5. The apparatus according to claim 4, wherein a top cover is attached to an upper end of the frame, and the rotary robot is attached to the top cover.

6. The apparatus according to claim 5, wherein the rotary robot is mounted on the upper end surface of the frame at one side of the conveyor belt.

7. The apparatus according to claim 5 or 6, wherein a suction head is mounted at a front end of the robot arm, and the suction head is connected to an external air source through an air pipe.

8. The apparatus according to claim 7, wherein the detecting mechanism is a line scan camera with a rotation function.

9. The apparatus according to claim 8, wherein a light source is disposed on one side of the line scanning camera, and the light source is connected to the electronic box.

10. The apparatus according to claim 9, wherein the conveyor belt is provided with a placing slot for placing the glass lens.