CN116119253A - Polarizer vacuum adsorption detection system and method for sheet material machine - Google Patents

Polarizer vacuum adsorption detection system and method for sheet material machine Download PDF

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Publication number
CN116119253A
CN116119253A CN202310090387.3A CN202310090387A CN116119253A CN 116119253 A CN116119253 A CN 116119253A CN 202310090387 A CN202310090387 A CN 202310090387A CN 116119253 A CN116119253 A CN 116119253A
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CN
China
Prior art keywords
detection
assembly
vacuum adsorption
polaroid
aoi
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Pending
Application number
CN202310090387.3A
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Chinese (zh)
Inventor
吕辉
徐琼
吴小华
雷杰
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Hangzhou Lipo Science & Technology Co ltd
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Hangzhou Lipo Science & Technology Co ltd
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Priority to CN202310090387.3A priority Critical patent/CN116119253A/en
Publication of CN116119253A publication Critical patent/CN116119253A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/30—Belts or like endless load-carriers
    • B65G15/58—Belts or like endless load-carriers with means for holding or retaining the loads in fixed position, e.g. magnetic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/30—Belts or like endless load-carriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
    • B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
    • 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
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02—Articles
    • B65G2201/0214—Articles of special size, shape or weigh
    • B65G2201/022—Flat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
    • B65G2203/04—Detection means
    • B65G2203/041—Camera

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Controlling Sheets Or Webs (AREA)

Abstract

The invention discloses a polaroid vacuum adsorption detection system and method for a sheet material machine. The detection system includes: the detection section AOI detection assembly, the detection section conveying assembly and the detection section vacuum adsorption assembly. And the AOI detection process of the polaroid to be detected in the detection section AOI detection assembly is carried by the detection section conveying assembly, and the polaroid to be detected is adsorbed and leveled by the detection section vacuum adsorption assembly during the conveying process. The invention has the beneficial effects that: the detection section vacuum adsorption component adsorbs and levels the polaroid to be detected, so that the leveling effect is good, and the AOI detection precision of the polaroid to be detected is improved.

Description

Polarizer vacuum adsorption detection system and method for sheet material machine
Technical Field
The invention relates to the field of polaroid AOI detection, in particular to a polaroid vacuum adsorption detection system and method for a sheet stock machine.
Background
With the rapid development of consumer electronics, the polarizer industry is coming with a brand new growth space. At present, the existing sheet material machine has the problem that the AOI detection precision of the polaroid is not ideal (high time and low time), but an effective solution is not found. The applicant has found through long-term research that the reason is that the polarizer may have edge warping phenomenon during the process of conveying the polarizer by the conveying assembly, so that the problem of the AOI detection precision of the polarizer is caused.
Disclosure of Invention
The invention aims to solve the problem that the polaroid in the prior art has edge warping in the conveying process, and provides a novel polaroid vacuum adsorption detection system and method for a sheet material machine.
In order to achieve the above object, the technical scheme of the present invention is as follows: a polarizer vacuum adsorption detection system for a sheet machine, comprising: the detection section AOI detection assembly, the detection section conveying assembly and the detection section vacuum adsorption assembly are used for conveying the to-be-detected polaroid in the AOI detection process of the detection section AOI detection assembly, and the detection section vacuum adsorption assembly is used for adsorbing and flattening the to-be-detected polaroid during conveying.
As a preferable scheme of the polaroid vacuum adsorption detection system for the sheet material machine, the detection section AOI detection assembly comprises: and the AOI vector printing detection assembly and/or the AOI area array detection assembly.
As a preferable scheme of the polaroid vacuum adsorption detection system for the sheet material machine, the vector printing AOI detection assembly comprises: the detection device comprises a detection support, a vector printing detection camera and a vector printing detection light source, wherein the vector printing detection camera and the vector printing detection light source are both fixed on the detection support, during detection, the vector printing detection camera is directly above a polaroid to be detected, the vector printing detection light source is directly below the polaroid to be detected, and the vector printing detection camera and the vector printing detection light source jointly carry out AOI detection on the polaroid to be detected.
As a preferable scheme of the polaroid vacuum adsorption detection system for the sheet material machine, the area array AOI detection assembly comprises: the detection device comprises a detection support, an area array detection camera and an area array detection light source, wherein the area array detection camera and the area array detection light source are fixed on the detection support, the area array detection camera and the area array detection light source are both above a polaroid to be detected during detection, the area array detection light source is on an incident side, the area array detection camera is on an emergent side, and the area array detection camera and the area array detection light source jointly detect the polaroid to be detected by AOI.
As a preferable scheme of the polaroid vacuum adsorption detection system for the sheet material machine, the method further comprises the following steps: go up unloading section conveying assembly, go up unloading section conveying assembly includes: the speed regulation motor is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the input end of the coupler, the output end of the coupler is connected with the input end of the driving roller, and the driving roller is parallel to the driven roller and is wound with the conveying belt.
As a preferred scheme of the polarizer vacuum adsorption detection system for the sheet machine, the detection section conveying assembly comprises: conveyer belt, the conveyer belt has the gas pocket, detection section vacuum adsorption subassembly includes: the vacuum cavity is arranged below the conveying belt, and the vacuum cavity is subjected to negative pressure operation, and the polaroid to be detected is adsorbed through the air holes so as to be flatly attached to the surface of the conveying belt.
As a preferable scheme of the polaroid vacuum adsorption detection system for the sheet machine, the air holes and the vacuum cavity cover or basically cover the whole width of the conveying belt.
As a preferred scheme of the polarizer vacuum adsorption detection system for the sheet machine, the detection section conveying assembly further comprises: the speed regulation motor is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the input end of the coupler, the output end of the coupler is connected with the input end of the driving roller, and the driving roller is parallel to the driven roller and is wound with the conveying belt between the driving roller and the driven roller.
As a preferable scheme of the polaroid vacuum adsorption detection system for the sheet material machine, the vacuum cavity has the function of adjusting the negative pressure action size and/or action range.
The invention also discloses a polaroid vacuum adsorption detection method for the sheet material machine, which comprises the following steps:
providing the polaroid vacuum adsorption detection system for the sheet material machine;
and the AOI detection process of the polaroid to be detected in the detection section AOI detection assembly is carried by the detection section conveying assembly, and the polaroid to be detected is adsorbed and leveled by the detection section vacuum adsorption assembly during the conveying process.
Compared with the prior art, the invention has the beneficial effects that: the detection section vacuum adsorption component adsorbs and levels the polaroid to be detected, so that the leveling effect is good, and the AOI detection precision of the polaroid to be detected is improved; the vacuum adsorption component of the detection section adopts a flexible design, has the function of adjusting the action size and/or the action range of negative pressure, and can be adapted to polarizers to be detected with different sizes.
In addition to the technical problems, features constituting the technical solutions and advantageous effects brought about by the technical features of the technical solutions described above, other technical problems that the present invention can solve, other technical features included in the technical solutions and advantageous effects brought about by the technical features, further detailed descriptions will be made in connection with the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an upper and lower conveying assembly according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an AOI inspection device according to an embodiment of the present invention.
FIG. 4 is a schematic diagram of an area array AOI detection assembly according to an embodiment of the invention.
FIG. 5 is a schematic diagram of a conveying assembly for inspection sections according to an embodiment of the present invention.
FIG. 6 is a schematic diagram of a detection section vacuum adsorption assembly according to an embodiment of the present invention.
In the figure, 10, an upper and lower material section conveying assembly; 101. a speed regulating motor; 102. a speed reducer; 103. a coupling; 104. a driving roller; 105. a conveyor belt; 106. driven roller; 107. an adjusting plate; 20. a vector printing AOI detection component; 201. detecting a bracket; 202. a mark detection camera; 203. a mark detection light source; 30. an area array AOI detection component; 301. detecting a bracket; 302. an area array detection camera; 303. an area array detection light source; 40. a detection section conveying assembly; 401. a speed regulating motor; 402. a speed reducer; 403. a coupling; 404. a driving roller; 405. a conveyor belt; 4050. air holes; 406. driven roller; 407. an encoder; 408. an adjusting plate; 50. a detection section vacuum adsorption assembly; 501. a vacuum chamber; 502. a cavity partition; 503. an adjusting mechanism; 504. a vacuum cover plate; 505. and (5) air suction connecting pipes.
Detailed Description
The invention will be described in further detail below with reference to the drawings by means of specific embodiments. The description of these embodiments is provided to assist understanding of the present invention, but is not to be construed as limiting the present invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Referring to FIG. 1, a polarizer vacuum adsorption detection system for a sheet machine is shown.
The polaroid vacuum adsorption detection system for the sheet material machine comprises: the device comprises an upper and lower material section conveying assembly 10, an AOI (automated optical inspection) vector printing detecting assembly 20, an AOI area array detecting assembly 30, a detecting section conveying assembly 40, a detecting section vacuum adsorption assembly 50 and the like.
At the AOI inspection station, the polarizer to be inspected is conveyed by the inspection stage conveying assembly 40, and during the conveying process, the inspection stage vacuum adsorbing assembly 50 adsorbs and flattens the polarizer to be inspected, so that the polarizer to be inspected can pass through the AOI vector printing inspection assembly 20 and the AOI area array inspection assembly 30 flatly.
Referring to fig. 2, the loading and unloading section conveyor assembly 10 is shown. The loading and unloading section conveying assembly 10 includes: a speed regulating motor 101, a speed reducer 102, a coupling 103, a driving roller 104, a conveyor belt 105, a driven roller 106, an adjusting plate 107, and the like. The driving roller 104 is parallel to the driven roller 106 with the conveyor belt 105 wound therebetween. The output end of the speed regulating motor 101 is connected with the input end of the speed reducer 102. The output end of the speed reducer 102 is connected with the input end of the coupler 103. The output end of the coupler 103 is connected with the input end of the driving roller 104. From the above, the speed-adjusting motor 101 drives the conveyer belt 105 to move through the speed reducer 102, the coupling 103 and the driving roller 104, so as to realize conveying the polarizer to be detected, and accomplish the purpose of automatic feeding and discharging.
Preferably, the feeding and discharging section conveying assembly 10 further includes: an adjustment plate 107. The adjusting plate 107 is used to adjust the tightness of the conveyor belt 105.
Referring to fig. 3, the printing AOI inspection assembly 20 is shown. The print-by-print AOI inspection assembly 20 includes: a detection holder 201, an image mark detection camera 202, an image mark detection light source 203, and the like. The detection camera 202 and the detection light source 203 are both fixed to the detection holder 201. During detection, the vector printing detection camera is arranged right above the polaroid to be detected, and the vector printing detection light source is arranged right below the polaroid to be detected. And carrying out AOI detection on the polaroid to be detected by the vector printing detection camera 202 and the vector printing detection light source 203.
Referring to fig. 4, the area array AOI inspection assembly 30 is shown. The area array AOI detection assembly 30 includes: a detection holder 301, an area array detection camera 302, an area array detection light source 303, and the like. The area array detection camera 302 and the area array detection light source 303 are fixed to the detection holder 301. During detection, the area array detection camera 302 and the area array detection light source 303 are both above the polarizer to be detected. Wherein the area array detection light source 303 is on the incident side, and the area array detection camera 302 is on the exit side. The light beam of the area array detection light source 303 is reflected to the lens of the area array detection camera 302 through the polarizer to be detected. And carrying out AOI detection on the polaroid to be detected by the area array detection camera 302 and the area array detection light source 303.
Referring to fig. 5, the test section transport assembly 40 is shown. The test section delivery assembly 40 includes: a speed regulating motor 401, a speed reducer 402, a coupling 403, a driving roller 404, a conveyor belt 405, a driven roller 406, and the like. The output end of the speed regulating motor 401 is connected with the input end of the speed reducer 402. The output end of the speed reducer 402 is connected with the input end of the coupling 403. The output end of the coupling 403 is connected to the input end of the driving roller 404. The driving roller 404 is parallel to the driven roller 406 with the conveying belt 405 wound therebetween. The speed regulating motor 401 drives the conveying belt 405 to move through the speed reducer 402, the coupler 403 and the driving roller 404, so as to convey the polaroid to be detected. The conveyor 405 has air holes 4050. The air holes 4050 cover or substantially cover the entire width of the conveyor belt 405. The air hole 4050 is used for leading to the polarizer to be inspected and the detection section vacuum adsorption component 50.
Preferably, the inspection piece delivery assembly 40 further comprises: an encoder 407. The encoder 407 is disposed on the driven roller 406, and is configured to determine the conveying speed of the conveying belt 405.
Preferably, the inspection piece delivery assembly 40 further comprises: and an adjustment plate 408. The adjusting plate 408 is used to adjust the tightness of the conveyor 405. The adjustment plate 408 is on the drive roller 404 side and/or the driven roller 406 side.
Referring to fig. 6, the test section vacuum adsorption assembly 50 is shown. The test section vacuum adsorption assembly 50 includes: a vacuum chamber 501. The vacuum chamber 501 is below the conveyor 405. The vacuum chamber 501 covers or substantially covers the entire width of the conveyor belt 405. The vacuum chamber 501 is connected to a blower (not shown) through an aspiration channel 505. Air in the vacuum chamber 501 is sucked by the blower to form negative pressure. The vacuum cavity 501 is subjected to negative pressure operation, and the polarizer to be inspected is adsorbed by the air hole 4050 so as to be flatly attached to the surface of the conveying belt 405.
Preferably, the vacuum chamber 501 is flexible, and has a function of adjusting the negative pressure and/or the action range. In this embodiment, the vacuum chamber 501 is internally divided into a front chamber, a middle chamber and a rear chamber. Wherein the front and rear air chambers are controlled by one air path and the middle air chamber is controlled by another air path, wherein the pressure of the air paths is regulated by a regulating mechanism 503, such as a ball valve. In this embodiment, the vacuum cavity 501 is internally provided with (left and right) adjusting partition boards, and different negative pressure acting ranges can be separated by the adjusting partition boards, so that the vacuum cavity is suitable for the polarizer to be inspected with different sizes.
Preferably, a vacuum cover plate 504 is disposed above the vacuum chamber 501.
Based on the flexible design of the vacuum cavity 501, the detection section vacuum adsorption assembly 50 can adapt to the adsorption use of the polarizer to be detected with different sizes, improves the adsorption leveling effect, and further ensures the AOI detection precision of the polarizer to be detected.
The foregoing has outlined rather broadly the more detailed description of the invention in order that the detailed description thereof that follows may be better understood, and in order that the present invention may be better understood. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (10)

1. The utility model provides a polaroid vacuum adsorption detecting system for sheet stock machine which characterized in that includes: the detection section AOI detection assembly, the detection section conveying assembly and the detection section vacuum adsorption assembly are used for conveying the to-be-detected polaroid in the AOI detection process of the detection section AOI detection assembly, and the detection section vacuum adsorption assembly is used for adsorbing and flattening the to-be-detected polaroid during conveying.
2. The polarizer vacuum adsorption detection system for a sheet machine according to claim 1, wherein the detection section AOI detection assembly comprises: and the AOI vector printing detection assembly and/or the AOI area array detection assembly.
3. The polarizer vacuum adsorption detection system for a sheet machine according to claim 2, wherein the vector printing AOI detection assembly comprises: the detection device comprises a detection support, a vector printing detection camera and a vector printing detection light source, wherein the vector printing detection camera and the vector printing detection light source are both fixed on the detection support, during detection, the vector printing detection camera is directly above a polaroid to be detected, the vector printing detection light source is directly below the polaroid to be detected, and the vector printing detection camera and the vector printing detection light source jointly carry out AOI detection on the polaroid to be detected.
4. The polarizer vacuum adsorption detection system for a sheet machine according to claim 2, wherein the area array AOI detection assembly comprises: the detection device comprises a detection support, an area array detection camera and an area array detection light source, wherein the area array detection camera and the area array detection light source are fixed on the detection support, the area array detection camera and the area array detection light source are both above a polaroid to be detected during detection, the area array detection light source is on an incident side, the area array detection camera is on an emergent side, and the area array detection camera and the area array detection light source jointly detect the polaroid to be detected by AOI.
5. The polarizer vacuum adsorption detection system for a sheet machine according to claim 1, further comprising: go up unloading section conveying assembly, go up unloading section conveying assembly includes: the speed regulation motor is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the input end of the coupler, the output end of the coupler is connected with the input end of the driving roller, and the driving roller is parallel to the driven roller and is wound with the conveying belt.
6. The polarizer vacuum adsorption inspection system for a sheet machine according to any one of claims 1 to 5, wherein the inspection section conveying assembly comprises: conveyer belt, the conveyer belt has the gas pocket, detection section vacuum adsorption subassembly includes: the vacuum cavity is arranged below the conveying belt, and the vacuum cavity is subjected to negative pressure operation, and the polaroid to be detected is adsorbed through the air holes so as to be flatly attached to the surface of the conveying belt.
7. The polarizer vacuum adsorption inspection system for a sheet machine according to claim 6, wherein the air holes and the vacuum chamber each cover or substantially cover the entire width of the conveyor belt.
8. The polarizer vacuum adsorption inspection system for a sheet machine of claim 6, wherein the inspection section transport assembly further comprises: the speed regulation motor is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the input end of the coupler, the output end of the coupler is connected with the input end of the driving roller, and the driving roller is parallel to the driven roller and is wound with the conveying belt between the driving roller and the driven roller.
9. The polarizer vacuum adsorption detection system for a sheet machine according to claim 6, wherein the vacuum chamber has a function of adjusting the magnitude and/or the range of negative pressure.
10. The polaroid vacuum adsorption detection method for the sheet material machine is characterized by comprising the following steps of:
providing a polarizer vacuum adsorption detection system for a sheet machine according to any one of claims 1 to 9;
and the AOI detection process of the polaroid to be detected in the detection section AOI detection assembly is carried by the detection section conveying assembly, and the polaroid to be detected is adsorbed and leveled by the detection section vacuum adsorption assembly during the conveying process.
CN202310090387.3A 2023-02-09 2023-02-09 Polarizer vacuum adsorption detection system and method for sheet material machine Pending CN116119253A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310090387.3A CN116119253A (en) 2023-02-09 2023-02-09 Polarizer vacuum adsorption detection system and method for sheet material machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310090387.3A CN116119253A (en) 2023-02-09 2023-02-09 Polarizer vacuum adsorption detection system and method for sheet material machine

Publications (1)

Publication Number Publication Date
CN116119253A true CN116119253A (en) 2023-05-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310090387.3A Pending CN116119253A (en) 2023-02-09 2023-02-09 Polarizer vacuum adsorption detection system and method for sheet material machine

Country Status (1)

Country Link
CN (1) CN116119253A (en)

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