CN114113139A - Backlight plate adhesive shortage and breakage detection equipment - Google Patents
Backlight plate adhesive shortage and breakage detection equipment Download PDFInfo
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- CN114113139A CN114113139A CN202111412336.5A CN202111412336A CN114113139A CN 114113139 A CN114113139 A CN 114113139A CN 202111412336 A CN202111412336 A CN 202111412336A CN 114113139 A CN114113139 A CN 114113139A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention provides a backlight plate adhesive shortage and breakage detection device which comprises a product conveying line, a dust removal assembly arranged on the product conveying line, an adhesive shortage and breakage detection assembly and a defective product removing assembly arranged on the product conveying line, wherein products to be detected are conveyed by the product conveying line in sequence, dust on the surfaces of the products is removed by the dust removal assembly, the adhesive shortage and breakage conditions of the products are judged by the adhesive shortage detection assembly through visual detection and are divided into a good product and a defective product, the defective product removing assembly removes the products identified as the defective products from the product conveying line, the products identified as the good product are reserved, the adhesive shortage and breakage detection of the backlight plate products is completed by adopting a full-automatic control mode, the efficiency and the reliability are higher compared with a manual detection mode, and the backlight plate adhesive shortage and breakage detection device is suitable for large-scale continuous industrial production.
Description
Technical Field
The invention relates to the technical field of backlight plate production, in particular to a backlight plate adhesive shortage and breaking detection device.
Background
The backlight plate is a device for ensuring brightness of the back of the liquid crystal display, and is generally formed by punching thin alloy and injecting glue. The phenomenon of glue shortage and glue breaking of the backlight plate can occur in the glue injection process, so that plane light leakage is caused, the function of the backlight plate and the use of electronic equipment are influenced, and the phenomenon of glue shortage and glue breaking of the backlight plate after glue injection needs to be detected to confirm the conditions of good products and defective products. Because the production of board in a poor light, equipment volume are great, and the mode intensity of labour who adopts artifical to detect is big, and efficiency is not high, and judges the error easily, is difficult to satisfy industrial production's demand.
It should be noted that the above background description is only for the convenience of clear and complete description of the technical solutions of the present application and for the understanding of those skilled in the art. Such solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present application.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide equipment capable of automatically detecting the phenomenon that a backlight plate is short of glue so as to improve the detection efficiency and reliability.
In order to achieve the purpose, the invention provides a backlight plate adhesive shortage detection device which comprises a product conveying line, a dust removal assembly, an adhesive shortage detection assembly and a defective product rejection assembly, wherein the dust removal assembly is arranged on the product conveying line, the adhesive shortage detection assembly and the defective product rejection assembly are arranged on the product conveying line, products to be detected are conveyed in sequence by the product conveying line, dust on the surfaces of the products is removed by the dust removal assembly, the adhesive shortage detection assembly judges the adhesive shortage and adhesive shortage conditions of the products through visual detection and distinguishes the products into good products and defective products, and the defective product rejection assembly rejects the products identified as defective products from the product conveying line and retains the products identified as good products.
Further, the product conveying line comprises a conveying belt, a plurality of belt pulleys are arranged on the conveying belt, one of the belt pulleys is a driving belt pulley and is connected with a conveying driving motor, the other belt pulleys are driven belt pulleys, and the two conveying belts are arranged in parallel and respectively support two sides of the backlight plate.
Furthermore, the product conveying lines are provided with multiple sections, and the dust removal assemblies are arranged between the two corresponding adjacent sections of the product conveying lines.
Furthermore, a turnover mechanism is further arranged between the first section of the product conveying line and the second section of the product conveying line, the turnover mechanism comprises a turnover support, a turnover shaft rotatably connected with the turnover support, a turnover driving motor connected with one end of the turnover shaft, and a turnover disc fixedly connected with the turnover shaft, a plurality of turnover clamping grooves distributed along the radial direction are formed in the outer edge of the turnover disc, the backlight plate is conveyed along the first section of the product conveying line and clamped into the turnover clamping grooves, and the backlight plate is turned over for 180 degrees along with the turnover disc and is transferred to the second section of the product conveying line.
Further, the dust removal subassembly include the dust removal mounting bracket and with the dust removal gyro wheel of dust removal mounting bracket rotation connection, the dust removal gyro wheel includes upper dust removal gyro wheel and lower dust removal gyro wheel that set up from top to bottom, upper dust removal gyro wheel reaches the dust removal gyro wheel passes through dust removal driving motor and drive mechanism drive down, and the product is followed upper dust removal gyro wheel with pass between the dust removal gyro wheel down, glue the dust and remove.
Further, the dust removal subassembly is still including setting up the stick takes place for plasma in the dust removal mounting bracket, plasma takes place for stick production plasma, with product surface static elimination, still be provided with the stick dirt stick in the dust removal mounting bracket, the stick dirt stick is arranged in collecting dust removal gyro wheel and the dust in the air.
Further, lack and glue the determine module including detecting the mounting box, with detect detection camera and the testing light source that the mounting box is connected, the testing light source and the camera lens that detects the camera is aimed at the product transfer chain carries out the image to the position of product injecting glue and shoots and upload to the system, judges whether the product appears lacking glue or glue absolutely through the algorithm that the system set for.
Furthermore, four groups of detection cameras and four groups of detection light sources are arranged and distributed in an annular array relative to the center of the detection mounting box, and the center of the detection mounting box is the detection position of the product.
Further, the product transfer chain still is provided with keeps off material climbing mechanism, keep off material climbing mechanism and be located detect the position, include with product transfer chain fixed connection keep off the material mount table and with keep off material mount table swing joint's fender material elevating platform, keep off material elevating platform and setting and be in keep off the material on the material mount table and drive the tailpiece of the piston rod portion of actuating cylinder and be connected, keep off the material elevating platform and be provided with the jacking backup pad, the jacking backup pad sets up two and relative distribution, supports the both sides jacking of board in a poor light.
The defective product removing assembly is arranged at the tail end of the product conveying line and comprises a defective product removing support, a rotary material transferring cylinder fixedly connected with the defective product removing support, a rotating arm connected with the output end of the rotary material transferring cylinder, a rotary adjusting cylinder arranged at the tail end of the rotating arm and a sucking disc connected with the output end of the rotary adjusting cylinder, and the sucking disc picks up defective products under the vacuum action.
The scheme of the invention has the following beneficial effects:
according to the backlight plate adhesive shortage and breakage detection device, products to be detected are sequentially conveyed by means of the product conveying line, the dust removal assembly removes dust on the surfaces of the products to facilitate subsequent detection, the adhesive shortage and breakage conditions of the products are judged by the adhesive shortage detection assembly in a visual detection mode, the products are divided into good products and defective products, the defective product removing assembly removes the products identified as defective products from the product conveying line, the connection and the matching are compact, the backlight plate adhesive shortage and breakage detection device is controlled in a full-automatic mode, efficiency and reliability are higher compared with a manual detection mode, and the backlight plate adhesive shortage and breakage detection device is suitable for large-scale continuous industrial production;
other advantages of the present invention will be described in detail in the detailed description that follows.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the product conveyor line and the turnover mechanism of the present invention;
FIG. 3 is a schematic view of a dedusting assembly of the present invention;
FIG. 4 is a schematic view of the defective glue detecting assembly and the defective product removing assembly according to the present invention;
fig. 5 is a schematic view of the material blocking jacking mechanism of the invention.
[ description of reference ]
100-product conveying line; 101-a conveyor belt; 102-a pulley; 103-conveying driving motor; 104-a material blocking mounting table; 105-a material blocking lifting platform; 106-a material blocking driving cylinder; 107-liftout shoe plate; 200-a dust removal assembly; 201-dust removal mounting rack; 202-dust removal roller; 203-dust removal driving motor; 204-a transmission mechanism; 205-plasma generating rod; 206-stick dust stick; 300-a broken glue detection assembly; 301-detection mounting box; 302-detection camera; 303-detecting a light source; 400-defective reject assembly; 401-defective rejecting support; 402-rotating and transferring the material cylinder; 403-rotating arm; 404-rotating the adjusting cylinder; 405-a suction cup; 500-product; 600-a turnover mechanism; 601-overturning a bracket; 602-a roll-over shaft; 603-overturning a driving motor; 604-flipping disk; 605-flip card slot.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all 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. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
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 simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "mounted", "connected" and "connected" are to be understood broadly, e.g., as being a locked connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides a backlight plate adhesive shortage detection apparatus, which includes a product conveying line 100, a dust removal module 200 disposed on the product conveying line 100, an adhesive shortage detection module 300 disposed on the product conveying line 100, and a defective product removal module 400. The product conveying line 100 conveys products 500 to be detected in sequence, the dust removing assembly 200 removes dust on the surfaces of the products 500, subsequent glue shortage detection is facilitated, the glue shortage detection assembly 300 judges glue shortage and glue breakage conditions of the products 500 in a visual detection mode and distinguishes the products into good products and defective products, the defective product removing assembly 400 removes the products 500 identified as defective products from the product conveying line 100, the products 500 identified as good products are reserved, and good sorting is achieved. By adopting the detection equipment, the detection of the broken glue of the backlight plate product 500 can be automatically completed, the efficiency and the reliability are higher compared with the manual detection mode, and the detection equipment is suitable for large-scale continuous industrial production.
Meanwhile, as shown in fig. 2, the product conveying line 100 includes a conveying belt 101, the conveying belt 101 is provided with a plurality of belt pulleys 102, one of the belt pulleys is a driving belt pulley and is connected with a conveying driving motor 103, and the other belt pulleys 102 are driven belt pulleys. Wherein, the two conveyer belts 101 are arranged in parallel and respectively support the two sides of the backlight plate product 500. Meanwhile, the product conveying lines 100 are provided with multiple sections, the dust removal assembly 200 is arranged between two corresponding adjacent sections of the product conveying lines 100, products 500 conveyed by the previous section of the product conveying line 100 enter the dust removal assembly 200 to complete a dust removal process, and then are discharged from the dust removal assembly 200 and directly fall into the next section of the product conveying line 100 to be conveyed.
Because the product 500 discharged in the previous process of the device is upward in front and upward in back during detection, the device is further provided with a turnover mechanism 600 which is positioned between the first section of the product conveying line 100 and the second section of the product conveying line 100. The turnover mechanism 600 specifically includes a turnover bracket 601, a turnover shaft 602 rotatably connected to the turnover bracket 601, a turnover driving motor 603 connected to one end of the turnover shaft 602, and a turnover plate 604 fixedly connected to the turnover shaft 602. The outer edge of the turnover disc 604 is provided with a plurality of turnover clamping grooves 605 distributed along the radial direction, the turnover discs 604 are arranged oppositely, two sides of the product 500 are clamped into the turnover clamping grooves 605 of the two turnover discs 604 respectively when the product is conveyed along the first section of the product conveying line 100, the product is supported by the turnover disc 604, and the product is turned over for 180 degrees along with the turnover disc 604 and transferred to the second section of the product conveying line 100. The turnover disc 604 is continuously rotated under the driving of the turnover driving motor 603, and when the product 500 is conveyed, if the product 500 is not butted with the turnover clamping groove 605, the product is blocked at the tail end of the first section of the product conveying line 100 for waiting for material until the turnover disc 604 rotates to one of the turnover clamping grooves 605 which is flush with the product conveying line 100, so that the product 500 can enter the turnover clamping groove 605.
Also shown in fig. 3, the dusting assembly 200 comprises a dusting mounting bracket 201 and a dusting roller 202 rotatably connected to the dusting mounting bracket 201. The dust removing roller 202 includes an upper dust removing roller and a lower dust removing roller which are vertically arranged, the upper dust removing roller and the lower dust removing roller are driven by a dust removing driving motor 203 and a transmission mechanism 204, such as a gear transmission mechanism, the product 500 passes through the upper dust removing roller and the lower dust removing roller, and is driven by friction force generated by the dust removing roller 202 to be conveyed backwards, and larger dust is adhered and removed from the surface of the product 500.
Meanwhile, the dust removing assembly 200 further comprises a plasma generating rod 205 arranged in the dust removing mounting frame 201, and the plasma generating rod 205 can generate plasma to eliminate static electricity on the surface of the product 500, so that smaller dust is separated from the surface of the product 500. In addition, a dust stick 206 is further disposed in the dust-removing mounting frame 201, and is in rolling contact with the dust-removing roller 202 when the dust-removing roller 202 rotates, so as to collect dust in the dust-removing roller 202 and air.
Meanwhile, as shown in fig. 4, the missing glue detection assembly 300 includes a detection mounting box 301, a detection camera 302 connected to the detection mounting box 301, and a detection light source 303. The four groups of detection cameras 302 and detection light sources 303 are arranged, the detection cameras are distributed in a central annular array mode relative to the detection mounting box 301, the center of the detection mounting box 301 is the detection position of the product 500, the detection light sources 303 and the lenses of the detection cameras 302 are aligned to the detection position on the product conveying line 100, the position where the backlight plate product 500 is injected with glue is shot in an image mode and uploaded to a system, whether the product 500 is in glue shortage or glue breakage is judged according to an algorithm set by the system, and therefore the product 500 is identified to be a good product and a defective product.
Simultaneously as shown in fig. 5, the product conveying line 100 is further provided with a material stopping jacking mechanism which is located at the detection position to stop the product 500 which moves to the detection position, so that the adhesive shortage detection assembly 300 is ensured to have sufficient time to complete image shooting and quality judgment. The material stopping jacking mechanism specifically comprises a material stopping mounting table 104 fixedly connected with the product conveying line 100 and a material stopping lifting table 105 movably connected with the material stopping mounting table 104, the material stopping lifting table 105 is connected with a piston rod end part of a material stopping driving cylinder 106 arranged on the material stopping mounting table 104, and the material stopping driving cylinder 106 is relied on to control the lifting action of the material stopping lifting table 105. Keep off and be provided with jacking backup pad 107 on the material elevating platform 105, jacking backup pad 107 sets up two and relative distribution, and the rising supports the both sides jacking of product 500, makes product 500 lifting a short distance and no longer contacts with product transfer chain 100, is stopped at predetermined detection position by the fender consequently.
Referring to fig. 4 again, a defective product removing unit 400 is disposed at the end of the product conveying line 100, picks up and removes the backlight products 500, which are identified as defective products, from the product conveying line 100 to be sorted out as good products. The defective product removing assembly 400 specifically comprises a defective product removing support 401, a rotary material moving cylinder 402 fixedly connected with the defective product removing support 401, a rotating arm 403 connected with an output end of the rotary material moving cylinder 402, a rotary adjusting cylinder 404 arranged at the tail end of the rotating arm 403, and a suction cup 405 connected with an output end of the rotary adjusting cylinder 404, wherein the suction cup 405 picks up defective products under the vacuum action, the rotating arm 403 rotates to the position above the product conveying line 100 to enable the suction cup 405 to pick up products 500, then the rotary adjusting cylinder 404 rotates 180 degrees to another position, at the moment, the suction cup 405 rotates 180 degrees downwards under the action of the rotary adjusting cylinder 404, and then the vacuum adsorption action is cut off to discharge defective products.
In addition, the tail end of the product conveying line can be also provided with a material blocking jacking mechanism, so that the products identified as inferior products can be blocked and lifted, and the inferior product removing assembly 400 can pick up and remove the inferior products more accurately.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The backlight plate adhesive shortage detection device is characterized by comprising a product conveying line, a dust removal assembly arranged on the product conveying line, an adhesive shortage detection assembly and a defective product removing assembly arranged on the product conveying line, wherein products to be detected are conveyed in sequence by the product conveying line, dust on the surfaces of the products is removed by the dust removal assembly, the adhesive shortage detection assembly judges the adhesive shortage and adhesive failure conditions of the products through visual detection and distinguishes the products into good products and defective products, and the defective product removing assembly removes the products identified as defective products from the product conveying line and keeps the products identified as good products.
2. The apparatus of claim 1, wherein the product conveying line comprises a conveying belt, the conveying belt is provided with a plurality of belt wheels, one of the belt wheels is a driving belt wheel and is connected with a conveying driving motor, the other belt wheels are driven belt wheels, and two of the conveying belt are arranged in parallel and respectively support two sides of the backlight plate.
3. The backlight plate glue shortage detection equipment according to claim 2, wherein the product conveying lines are provided with multiple sections, and the dust removal assembly is arranged between two corresponding adjacent sections of the product conveying lines.
4. The backlight plate glue shortage detection device as claimed in claim 2, wherein a turnover mechanism is further arranged between the first section of the product conveying line and the second section of the product conveying line, the turnover mechanism comprises a turnover support, a turnover shaft rotatably connected with the turnover support, a turnover driving motor connected with one end of the turnover shaft, and a turnover disc fixedly connected with the turnover shaft, a plurality of turnover clamping grooves distributed along a radial direction are formed in the outer edge of the turnover disc, the backlight plate is conveyed along the first section of the product conveying line and clamped into the turnover clamping grooves, and the backlight plate is turned over by 180 degrees along with the turnover disc and transferred to the second section of the product conveying line.
5. The backlight plate glue shortage detection device according to claim 1, wherein the dust removal assembly comprises a dust removal mounting frame and a dust removal roller rotatably connected with the dust removal mounting frame, the dust removal roller comprises an upper dust removal roller and a lower dust removal roller which are vertically arranged, the upper dust removal roller and the lower dust removal roller are driven by a dust removal driving motor and a transmission mechanism, and a product passes through between the upper dust removal roller and the lower dust removal roller to remove dust.
6. The backlight plate glue shortage detection equipment of claim 5, wherein the dust removal assembly further comprises a plasma generation rod arranged in the dust removal mounting frame, the plasma generation rod generates plasma to eliminate static electricity on the surface of a product, and a dust sticking rod is further arranged in the dust removal mounting frame and used for collecting dust in the dust removal rollers and air.
7. The backlight plate glue shortage detection device according to claim 1, wherein the glue shortage detection assembly comprises a detection mounting box, a detection camera and a detection light source, the detection camera is connected with the detection mounting box, the detection light source and a lens of the detection camera are aligned to the product conveying line, images of the glue injection position of the product are shot and uploaded to a system, and whether glue shortage or glue breakage occurs in the product is judged through an algorithm set by the system.
8. The backlight plate glue shortage detection device according to claim 7, wherein the detection cameras and the detection light sources are arranged in four groups, and the four groups are distributed in a central annular array relative to the detection mounting box, and the center of the detection mounting box is a detection position of a product.
9. The backlight plate glue shortage detection equipment according to claim 8, wherein the product conveying line is further provided with a material blocking jacking mechanism, the material blocking jacking mechanism is located at the detection position and comprises a material blocking mounting table fixedly connected with the product conveying line and a material blocking lifting table movably connected with the material blocking mounting table, the material blocking lifting table is connected with a piston rod end portion of a material blocking driving cylinder arranged on the material blocking mounting table, a jacking support plate is arranged on the material blocking lifting table, the two jacking support plates are arranged and distributed oppositely, and jacking support is conducted on two sides of the backlight plate.
10. The backlight plate glue shortage detection device according to claim 9, wherein the defective product removing assembly is arranged at the end of the product conveying line and comprises a defective product removing support, a rotary material transferring cylinder fixedly connected with the defective product removing support, a rotary arm connected with an output end of the rotary material transferring cylinder, a rotary adjusting cylinder arranged at the end of the rotary arm, and a sucking disc connected with an output end of the rotary adjusting cylinder, and the sucking disc is used for picking up defective products through vacuum action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111412336.5A CN114113139A (en) | 2021-11-25 | 2021-11-25 | Backlight plate adhesive shortage and breakage detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111412336.5A CN114113139A (en) | 2021-11-25 | 2021-11-25 | Backlight plate adhesive shortage and breakage detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114113139A true CN114113139A (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111412336.5A Withdrawn CN114113139A (en) | 2021-11-25 | 2021-11-25 | Backlight plate adhesive shortage and breakage detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114113139A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951020A (en) * | 2022-05-17 | 2022-08-30 | 江苏创源电子有限公司 | Product detection equipment and detection method thereof |
-
2021
- 2021-11-25 CN CN202111412336.5A patent/CN114113139A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951020A (en) * | 2022-05-17 | 2022-08-30 | 江苏创源电子有限公司 | Product detection equipment and detection method thereof |
| CN114951020B (en) * | 2022-05-17 | 2024-01-16 | 江苏创源电子有限公司 | Product detection equipment and detection method thereof |
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Application publication date: 20220301 |
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