CN207215719U

CN207215719U - Optical film Visual intelligent detection device

Info

Publication number: CN207215719U
Application number: CN201720958965.0U
Authority: CN
Inventors: 徐涛; 周永
Original assignee: Suzhou Long Wave Robot Co Ltd
Current assignee: Suzhou Long Wave Robot Co Ltd
Priority date: 2017-08-02
Filing date: 2017-08-02
Publication date: 2018-04-10
Anticipated expiration: 2027-08-02

Abstract

A kind of optical film Visual intelligent detection device, including feed unit, detection unit and receiving unit；Feed unit includes feed module and diaphragm tears off mechanism, and the latter includes adhesive tape feed module, adhesive tape pressing sticks module and diaphragm tears off module；Detection unit includes illumination module, camera module and host computer；Receiving unit sticks mechanism, defective products marking mechanism and rewinding module including diaphragm, and diaphragm sticks mechanism and sticks module including diaphragm feed module and diaphragm pressing.The utility model mainly carries out full automatic detection by way of Visual intelligent detection to optical film products, and then screens out defective optical film products.With detection efficiency height, detect the advantages of reliability is high, simultaneously because structure design is more reasonable, with it is compact-sized, floor space is small, and the advantages of advantage of lower cost, above all the utility model not only to optical film products the defects of discrimination it is high, while flase drop will not also occur, the product control of product is guaranteed.

Description

Optical film vision intelligent detection equipment

Technical Field

The utility model relates to a check out test set, concretely relates to vision intellectual detection system equipment of blooming, the blooming is including being arranged in cell-phone or panel computer brightness enhancement film, protection film etc..

Background

With the continuous development and progress of science and technology, the market of electronic products, especially mobile intelligent terminal products, is continuously expanded, and accordingly, a great demand is brought to optical films.

The optical film products are various in variety and widely applied to mobile intelligent terminal products, wherein the brightness enhancement film is taken as a typical example. Brightness Enhancement Films (BEFs) are films or sheets that are used in TFT and LCD backlight modules for the purpose of improving the luminous efficiency of the overall backlight system of electronic devices, and are widely used in liquid crystal displays. In the production process of the brightness enhancement film product, a detection link is of great importance, and the purpose of the detection link is to detect whether the surface of the brightness enhancement film has any defects which hinder the quality control of the brightness enhancement film, such as stains, damages, scratches, creases and the like. However, the existing detection method has the following defects:

firstly, completely manually detecting, observing the brightness enhancement film product through human eyes of a detector, searching for a defective brightness enhancement film and removing the defective brightness enhancement film; the manual detection mode causes high personnel cost of enterprises and poor detection efficiency; in fact, human eye detection is easy to fatigue and generate missing detection, so that the problem of low reliability exists, and the product quality is unstable;

secondly, mechanical detection, which is intended to replace manual detection by automatic detection equipment; however, in the industry of longitudinal observation, no reasonable design scheme exists, and the existing detection equipment or mechanism is too complex, has too much structural redundancy, or has poor detection efficiency and low reliability; in addition, because the brightness enhancement film products are usually arranged on the strip-shaped base film at intervals during detection and are covered by a strip-shaped protective film, when the brightness enhancement film products are detected, the defects of the brightness enhancement film are often missed by the equipment due to the covering of the protective film, and sometimes the defects on the protective film are mistakenly identified and rejected as the defects of the brightness enhancement film, so that the false detection is caused, and the product waste is brought.

Therefore, how to solve the above-mentioned deficiencies of the prior art is a problem to be solved by the present invention.

Disclosure of Invention

The utility model aims at providing an blooming vision intellectual detection system equipment.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

an optical film vision intelligent detection device is used for detecting optical film products in an optical film material belt, wherein the optical film material belt is formed by combining a protective film, the optical film products and a base film from top to bottom; the detection equipment comprises a rack, wherein the length direction of the rack is the X-axis direction, and the width direction of the rack is the Y-axis direction; the optical film material belt displaces from front to back in a rack along the X-axis direction, and the rack is divided into an upper space and a lower space in the Z-axis direction by taking the optical film material belt as a reference;

the detection equipment further comprises a feeding unit, a detection unit and a material receiving unit which are sequentially arranged in the rack from front to back along the X-axis direction; wherein,

the supply unit includes:

the feeding module comprises a first feeding shaft, and the first feeding shaft is horizontally arranged along the Y-axis direction and rotates relative to the rack; an optical film feeding roll is sleeved and positioned on the first feeding shaft and used for providing an optical film material belt;

the protective film uncovering mechanism is arranged in the upper space of the rack and used for uncovering the protective film; the protective film removing mechanism comprises a rubber belt feeding module, a rubber belt pressing and applying module and a protective film removing module which are sequentially arranged in the rack from front to back along the X-axis direction; wherein,

the adhesive tape feeding module comprises a second feeding shaft which is horizontally arranged along the Y-axis direction and rotates relative to the rack; a tape roll is sleeved and positioned on the second feeding shaft, and when the tape roll rotates, a tape in the tape roll is conveyed to the optical film material belt from the upper part of the optical film material belt and enters the tape pressing and applying module to be applied and positioned with the optical film material belt;

the adhesive tape pressing and applying module comprises a first pressing piece and a second pressing piece in clearance fit with the first pressing piece, and the first pressing piece and the second pressing piece are horizontally arranged along the Y-axis direction; when the optical film strip and the adhesive tape simultaneously enter the adhesive tape pressing and applying module, the adhesive tape and the optical film strip are in extrusion fit through the first pressing piece and the second pressing piece, so that an adhesive surface below the adhesive tape is forced to be applied to the upper part of a protective film of the optical film strip, and the combined strip enters the protective film removing module;

the protective film uncovering module comprises a first material receiving shaft and a first driving mechanism for driving the first material receiving shaft to rotate around the Y-axis direction; the first material receiving shaft is horizontally arranged along the Y-axis direction and rotates relative to the rack, a recovery material roll is sleeved and positioned on the first material receiving shaft, the adhesive tape is pasted and taken off the protective film from the optical film material belt, and then the adhesive tape is wound and positioned on the first material receiving shaft to form the recovery material roll; when the recovery material roll rotates, the adhesive tape continuously uncovers the protective film from the optical film material tape, the optical film material tape with the protective film uncovered becomes an optical film bare tape, and the optical film bare tape is displaced to the detection unit for optical detection;

the detection unit includes:

the lighting module is arranged in the upper space of the rack, is horizontally arranged along the Y-axis direction, and comprises a light-emitting part which irradiates towards the upper surface of the optical film product on the optical film bare material belt to form an irradiation area; the light-emitting part is obliquely arranged downwards, so that incident light on the irradiation area has an incident angle, and the incident light is reflected on the optical film product in the irradiation area to form reflected light;

the camera module is also arranged in the upper space of the rack, is horizontally arranged along the Y-axis direction and corresponds to the lighting module; the camera module comprises a camera, the camera is arranged corresponding to the light path of the reflected light, and the axis of the camera is superposed with the reflected light in the Y-axis direction, so that the camera can capture the reflected light and further capture the surface image of the optical film product in the irradiation area;

the upper computer is electrically connected with the camera module and is used for receiving the image information of the upper surface of the optical film product shot by the camera module and carrying out image recognition detection so as to screen out the defective optical film product and upload the screened information to a control system of the detection equipment;

the receiving unit includes:

a protective film attaching mechanism provided in an upper space of the frame and adapted to attach a protective film to the bare optical film strip detected by the detecting unit; the protective film pasting mechanism comprises a protective film feeding module and a protective film pressing pasting module which are sequentially arranged in the rack from front to back along the X-axis direction; wherein,

the protective film feeding module comprises a third feeding shaft which is horizontally arranged along the Y-axis direction and rotates relative to the rack; a protective film material roll is sleeved and positioned on the third feeding shaft, and when the protective film material roll rotates, a protective film material belt in the protective film material roll is conveyed to the optical film bare material belt from the upper part of the optical film bare material belt and enters the protective film pressing and applying module to be applied and positioned with the optical film bare material belt;

the protective film pressing and applying module comprises a third pressing piece and a fourth pressing piece in clearance fit with the third pressing piece, and the third pressing piece and the fourth pressing piece are both horizontally arranged along the Y-axis direction; when the optical film bare material belt and the protective film material belt enter the protective film pressing and applying module at the same time, the protective film material belt and the optical film bare material belt are in extrusion fit through the third pressing piece and the fourth pressing piece, so that an adhesive surface below the protective film material belt is forced to be applied to the upper part of the optical film bare material belt, and the optical film material belt is formed after combination and moves towards the rear side of the rack;

the receiving unit further comprises:

the defective product marking mechanism comprises at least one marking head part which is arranged opposite to the optical film material belt, the marking head part is driven by a second driving mechanism to do an upward or downward movement relative to the optical film material belt, and when the marking head part descends, the marking head part is contacted with the optical film material belt to mark; the second driving mechanism is electrically connected with the control system, and the control system controls the second driving mechanism to drive the marking head to mark the defective optical film product in a targeted manner through the discrimination information of the detection unit on each optical film product;

the material receiving module comprises a second material receiving shaft and a third driving mechanism for driving the second material receiving shaft to rotate around the Y-axis direction, and the second material receiving shaft is horizontally arranged along the Y-axis direction and rotates relative to the rack; the optical film material receiving roll is sleeved and positioned on the second material receiving shaft, and when the second material receiving shaft rotates, the optical film material receiving roll synchronously rotates to wind the optical film material belt.

The relevant content in the above technical solution is explained as follows:

1. in the above scheme, the first feeding shaft, the second feeding shaft, the first material receiving shaft, the third feeding shaft and the second material receiving shaft are all inflatable shafts, and the respective corresponding material rolls are positioned by the inflatable shafts in an inflatable positioning mode. Specifically, the first feeding shaft is a first inflatable shaft, the second feeding shaft is a second inflatable shaft, the first material receiving shaft is a third inflatable shaft, the third feeding shaft is a fourth inflatable shaft, and the second material receiving shaft is a fifth inflatable shaft.

2. In the above scheme, the first feeding shaft is a driven shaft, and the optical film feeding roll on the first feeding shaft is pulled by the second receiving shaft to rotate; the second feeding shaft is a driven shaft, and the adhesive tape roll on the second feeding shaft is pulled by the first material receiving shaft to rotate; the first material receiving shaft is a driving shaft and is driven to rotate by a first driving mechanism; the third feeding shaft is a driven shaft, and the protective film material roll on the third feeding shaft is pulled by the second material receiving shaft to rotate; the second material receiving shaft is a driving shaft and is driven to rotate by a third driving mechanism.

3. In the above scheme, the first pressing piece is a first pressing roller, the second pressing piece is a second pressing roller, and the surface of each pressing roller is provided with an elastic pressing layer; by the design, the adhesive tape and the optical film material belt can be well pressed and positioned, and damage to optical film products in the material belt can be reduced. The third pressing piece is a third pressing roller, the fourth pressing piece is a fourth pressing roller, and the surface of each pressing roller is provided with an elastic pressing layer; by means of the design, the protective film material belt and the optical film bare material belt can be better pressed and positioned, and damage to optical film products in the material belt can be reduced.

4. In the above scheme, the first driving mechanism may be a motor, or may be other driving devices with the same function; the second driving mechanism can be a cylinder and can also be other driving devices with the same function; the third driving mechanism can be a motor and can also be other driving devices with the same function, the motor drives the optical film material belt to move from front to back on the rack through positive rotation, and the second material receiving shaft is a driving shaft in the rack.

5. In the scheme, the image pickup module carries out scanning type shooting on the optical film product and continuously uploads image information picked up frame by frame to the upper computer; the upper computer performs real-time multi-stage processing on the image information through built-in optical detection software, and simultaneously compares the image information with image data of a normal optical film product preset in the upper computer to screen out a defective optical film product; the optical detection method used by the upper computer can be an existing optical detection method in the industry and can be mastered by a person skilled in the art.

6. In the above scheme, through the design of the defective product marking mechanism, when a detected unit of an optical film product in the optical film material belt is identified to have a defect, the defective optical film product can be marked through the defective product marking mechanism so as to be removed at a later stage.

7. In the above solution, the number of the marking heads may be a plurality of heads, the number of the heads is the same as the number of the optical film products in the width direction of the optical film material strip, and the heads correspond to the optical film products one by one, and the marking heads may be tools capable of making marks, such as a marking pen, a punching needle, and the like.

8. In the above scheme, the feeding unit further includes:

the pressing and shearing mechanism is arranged on the front side of the rack, corresponds to the optical film material belt sent out from the optical film material supply roll and is used for positioning the optical film material belt sent out from the optical film material supply roll so as to shear and splice the optical film material belt; the pressing and shearing mechanism comprises two groups of pressing components, the two pressing components are arranged in parallel at intervals along the displacement direction of the optical film material belt, and a cutting and splicing area of the optical film material belt is defined between the two pressing components; each compressing assembly comprises a first pressing plate fixedly arranged on the rack and suspended above the optical film material belt, a second pressing plate is arranged below the first pressing plate in a parallel and sliding mode, and the bottom surface of the second pressing plate is a material belt compressing surface and is arranged over the optical film material belt; the top surface of the second pressing plate is connected with a pressing handle, and the pressing handle drives the second pressing plate to perform the action of upwards lifting to loosen the optical film material belt or downwards pressing to fix the optical film material belt.

9. In the above-mentioned scheme, through the design of compressing tightly shearing mechanism, when having certain section material area unusual in the material is rolled up to the blooming supplies, can shut down equipment earlier, fix the material area through this compressing tightly shearing mechanism, carry out the shearing and the concatenation in material area through artifical or mechanical mode again to guarantee that the material area of sending into the detecting element does not have the fold or obvious defect, be used for improving the roughness and the conveying precision in material area.

Or, when one optical film supply roll is used up and the optical film material belt in a new optical film supply roll needs to be spliced with the optical film material belt of the previous optical film supply roll, the pressing and shearing mechanism can also be used for splicing.

10. In the above scheme, when the two pressing assemblies simultaneously press the optical film material belt, the optical film material belt in the cutting and splicing area is completely positioned so as to perform cutting or splicing work.

11. In the scheme, the bottom surface of the second pressing plate is provided with an elastic pressing layer; by the design, the optical film material belt can be better compressed and positioned, and the damage to optical film products in the material belt can be reduced.

12. In the above scheme, the feeding module further includes a fourth driving mechanism for driving the first feeding shaft to rotate around the Y-axis direction and a fifth driving mechanism for driving the first feeding shaft to translate along the Y-axis direction.

13. In the above scheme, the fourth driving mechanism may be a servo motor, or may be a driving device with other similar functions, and when the tension of the material belt is insufficient, the fourth driving mechanism drives the first feeding shaft to rotate reversely, and maintains the tension of the material belt in cooperation with the forward rotation of the second receiving shaft;

the fifth driving mechanism can be specifically an electric cylinder and can also be a driving device with other similar functions, when the position sensor detects that the position of the optical film material belt after discharging deviates, the fifth driving mechanism drives the first feeding shaft to translate in the Y-axis direction so as to correct the position of the optical film material belt, and the fifth driving mechanism is used for ensuring the transmission precision of the optical film material belt.

14. In the above scheme, the detection device further comprises a material belt position adjusting system, wherein the material belt position adjusting system comprises a material belt deviation rectifying mechanism and a material belt tension adjusting mechanism; the device is used for ensuring the flatness and the transmission precision of the material belt so as to improve the optical detection efficiency of the detection unit;

the material belt correcting mechanism comprises a material belt position sensor and a limiting structure sleeved on the conveying roller, wherein the limiting structure is a limiting ring or other limiting parts with the same function; the conveying rollers are rotatably connected to the rack, arranged along the Y-axis direction and used for supporting the material belt and assisting the material belt to translate on the rack, and the parallelism of each conveying roller is consistent and used for ensuring the flatness and conveying precision of the material belt; the material belt position sensor is arranged in the feeding unit, corresponds to the optical film material belt fed out from the optical film feeding roll and is used for detecting the horizontal position of the optical film material belt in the Y-axis direction; when the material belt position sensor detects that the position of the optical film material belt deviates, the control system enables the fifth driving mechanism to drive the first feeding shaft to drive the optical film feeding roll to translate along the Y-axis direction so as to correct the deviation of the optical film material belt in the horizontal direction; the limiting structures are arranged at two ends of each conveying roller in pairs, and the distance between the two limiting structures on the same conveying roller corresponds to the width of the material belt;

the material belt tension adjusting mechanism comprises at least one tension detecting mechanism which is supported below the material belt and used for detecting the tension of the material belt in real time; the tension detection mechanism comprises a tension detection roller and two conveying rollers which are arranged at two sides of the tension detection roller in tandem; the connecting line of the axes of the two conveying rollers is lower than the axes of the tension detecting rollers, the connecting line of the axes of the three rollers is a triangle, the triangle is an obtuse triangle, the obtuse angle is preferably 120 degrees, and the connecting line of the axes of the two conveying rollers is the long side of the obtuse triangle. Borrow this design, can avoid the material area excessively to buckle and lead to the fact the damage of buckling to the optical film product on the one hand, on the other hand also can not make the material area produce too big pressure to the tension detection roller, makes the tension detect more accurately.

15. In the above scheme, when the material belt position sensor detects that the position of the optical film material belt deviates, the control system can also send out a prompt signal, and the horizontal position of the optical film material supply roll on the first material supply shaft is adjusted along the Y-axis direction manually.

16. In the scheme, the material belt is wound to the upper part of the tension detection roller through the lower part of the front side conveying roller of the tension detection roller and then is wound downwards backwards below the rear side conveying roller; when the material belt is pulled to translate, the material belt generates a downward pressing force to the tension detection roller under the action of the two conveying rollers, and the pressing force is the tension of the material belt; the tension detection roller is internally provided with a pressure sensor which detects the tension of the material belt in real time, if the tension is insufficient, the fourth driving mechanism drives the first feeding shaft to rotate reversely through the control system, and the material belt is tensioned by matching with the traction force of the second material receiving shaft, so that the material belt keeps enough tension, the flatness of the material belt in translation is ensured, and the flatness of the material belt directly influences the visual detection effect.

17. In the above scheme, the material receiving device further comprises at least one conveying mechanism, wherein the conveying mechanism is arranged corresponding to the material belt and is used for assisting the second material receiving shaft to pull the material belt; the conveying mechanism comprises a pair of extrusion rollers, the two extrusion rollers are arranged one above the other, the material belt penetrates between the two extrusion rollers, and the material belt is pulled to translate through the relative rotation of the two extrusion rollers; wherein at least one of the two extrusion rollers is driven to rotate by a sixth driving mechanism; the sixth driving mechanism can be a motor and can also be other driving devices with the same function.

The first conveying mechanism is arranged between the feeding unit and the detection unit and used for conveying the optical film bare material belt into the detection unit; the second conveying mechanism is arranged between the detection unit and the material receiving unit and used for conveying the optical film bare material belt into the material receiving unit.

18. In the above scheme, the device further comprises at least one group of swing rod mechanisms, wherein the swing rod mechanisms are arranged below the material belt and used for adjusting the reference of the material belt in the Z-axis direction; the swing rod mechanism comprises a swing rod horizontally arranged along the Y-axis direction and a rotating shaft which is parallel to the swing rod and is positioned on the rack; when the swing rod swings up and down around the rotating shaft, the swing rod supports the material belt to move up and down;

the first swing rod mechanism is arranged below the irradiation area of the optical film bare strip in the detection unit, and the X-axis position and the Z-axis position of the irradiation area are adjusted through the up-and-down swing of the swing rod, so that reflected light can be accurately captured by a camera of the camera module.

The swing rod mechanism can also be arranged in the feeding unit and the receiving unit, and for example, the front part of each conveying mechanism facilitates the material belt to enter the conveying mechanism by adjusting the horizontal reference of the material belt.

19. In the above scheme, the material belts supported and conveyed by the conveying roller, the tension detecting roller, the conveying mechanism and the swing rod mechanism comprise an optical film material belt, a combined material belt and an optical film bare material belt.

20. In the above scheme, the device further comprises three groups of optical sensing mechanisms which are respectively arranged corresponding to the discharge side of the adhesive tape roll in the adhesive tape feeding module, the feed side of the recovery roll in the protective film uncovering module and the discharge side of the protective film roll in the protective film feeding module; the optical sensing mechanism comprises a ray transceiver and a ray reflection plate, the ray transceiver and the ray reflection plate are respectively arranged on two sides of the material belt of each material roll in the X-axis direction, and the ray emitted by the ray transceiver is used for detecting whether the material belt exists or not.

The radio transceiver is electrically connected with the control system, and sends detection information to the control system, and when the material belt in the material roll is used up, a prompt is sent to remind the user of replacing the material belt.

21. In the above scheme, the feeding unit further comprises a separation blade, and the separation blade is rotatably arranged on the rack along the Y-axis direction and is arranged above the combined material belt; when the recovery material roll rotates, the adhesive tape and the protective film on the optical film material belt are lifted together to enter the feeding side of the recovery material roll, and the separation blade is pressed at the lifted position of the adhesive tape and the protective film, so that an included angle is formed between the adhesive tape and the recovery belt of the protective film and the base film positioned with the optical film product in the optical film material belt. By the design, the optical film product can be effectively prevented from being taken away by the protective film and entering the recovery material roll.

22. In the above scheme, among the detecting element, also be equipped with in the lower part space of frame the lighting module with the module of making a video recording is used for simultaneously right in the naked area of blooming the lower surface of blooming product shines and makes a video recording (the base film is transparent or translucent material), the lower part the module of making a video recording is the same electricity connection the host computer.

23. In the scheme, the lighting module is driven by a first driving module to perform position adjustment in the three-axis direction and rotate around the Y axis, and the camera module is driven by a second driving module to perform position adjustment in the three-axis direction and rotate around the Y axis; so that incident light can accurately shine in on the blooming product in blooming naked material area, reflection light can be caught by the camera accuracy of the module of making a video recording simultaneously.

The first driving module and the second driving module respectively comprise four driving mechanisms which are respectively used for driving the translation of an X axis, the translation of a Y axis, the translation of a Z axis and the rotation around the Y axis.

24. In the above scheme, all be equipped with magnetic powder brake in each feeding axle and each receipts material axle, when equipment suddenly started or when stopping suddenly, feeding axle and receipts material axle homoenergetic keep invariable torsion, avoid feeding epaxial material book and receive the epaxial material book of material to lead to the material to take up, put unusually because of inertia.

25. In the above scheme, the upper space cover of support body is equipped with the sealed cowling structure, consequently both can guarantee that operating personnel's safety is not influenced by equipment manufacture, can avoid the dust in the workshop to get into equipment again, causes the pollution to the surface of blooming. The lower space of the frame body can also be covered with a sealing cover structure.

The utility model discloses a theory of operation and advantage as follows:

the utility model relates to an optical film vision intelligent detection device, which comprises a feeding unit, a detection unit and a material receiving unit; the feeding unit is used for feeding an optical film product to be detected into the detection unit, the detection unit is used for carrying out real-time visual intelligent detection to discriminate the defective optical film product, and the receiving unit is used for rolling the detected optical film material belt; wherein,

the supply unit includes: the first feeding shaft is positioned with an optical film feeding roll for providing an optical film material belt; the protective film removing mechanism is used for removing the protective film and comprises a tape feeding module, a tape pressing and applying module and a protective film removing module; a second feeding shaft of the adhesive tape feeding module is positioned with an adhesive tape roll for feeding the adhesive tape to the optical film material belt; the first pressing piece and the second pressing piece of the adhesive tape pressing and applying module are in extrusion fit, and the adhesive tape is applied to the optical film material belt; a first material receiving shaft of the protective film uncovering module is provided with a recovery material roll, a combination belt of a recovery adhesive tape and a protective film;

the detection unit includes: the lighting module comprises a light-emitting part, and the light-emitting part irradiates towards the bare optical film strip to form an irradiation area; the incident light of the irradiation area is reflected on the optical film product to form reflected light; the camera module comprises a camera which is arranged corresponding to the reflected light and is used for shooting a surface image of the optical film product; the upper computer receives the image information shot by the camera module, performs image recognition detection and uploads the image information to the control system;

the receiving unit includes: the protective film pasting mechanism is used for pasting a protective film on the detected optical film bare material belt; comprises a protective film feeding module and a protective film pressing and applying module; a protective film material roll is positioned on a third feeding shaft of the protective film feeding module and used for providing a protective film material belt to the optical film bare material belt; the third pressing piece and the fourth pressing piece of the protective film pressing and applying module are in extrusion fit, and the protective film material belt is applied to the optical film bare material belt; the defective product marking mechanism comprises a marking head part, a marking head part and a marking head part, wherein the marking head part is used for descending and contacting the optical film material belt to carry out ground-oriented marking on defective products; and the second material receiving shaft is positioned with an optical film material receiving coil and used for actively winding the optical film material belt.

Compared with the prior art, the utility model discloses mainly carry out full-automatic detection to the blooming product through vision intellectual detection system's mode, and then discriminate out defective blooming product. Consequently compare traditional artifical detection and have detection efficiency height, detect the advantage that the reliability is high, simultaneously because structural design is more reasonable, consequently compare existing equipment and have compact structure, area is little, and the relatively lower advantage of cost, the most important the utility model discloses a detection form of innovation not only is high to the defect recognition rate of blooming product, also can not take place the false retrieval simultaneously, makes the product accuse of product obtain guaranteeing.

Drawings

FIG. 1 is a schematic diagram of a first (top view) optical film ribbon configuration;

FIG. 2 is a second schematic (cross-sectional) view of an optical film ribbon configuration;

fig. 3 is a first schematic structural diagram (front three-dimensional) of the embodiment of the present invention;

fig. 4 is a second schematic structural diagram (front view) of the embodiment of the present invention;

fig. 5 is a third schematic structural diagram (back three-dimensional) of the embodiment of the present invention;

fig. 6 is a first schematic structural diagram (front left side solid) of a feeding unit according to an embodiment of the present invention;

fig. 7 is a second schematic structural diagram (right side perspective in front) of the feeding unit according to the embodiment of the present invention;

fig. 8 is a schematic structural diagram three (front view) of a feeding unit according to an embodiment of the present invention;

FIG. 9 is a first schematic structural diagram (front right side solid) of a detecting unit according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a second detection unit according to an embodiment of the present invention (front view);

fig. 11 is a first schematic structural diagram (front right side solid) of a material receiving unit according to an embodiment of the present invention;

fig. 12 is a second schematic structural diagram (front left side solid) of the material receiving unit according to the embodiment of the present invention;

fig. 13 is a schematic structural diagram three (front view) of the material receiving unit according to the embodiment of the present invention;

fig. 14 is a schematic structural view (front right side three-dimensional) of the pressing and shearing mechanism according to the embodiment of the present invention;

fig. 15 is a schematic structural view (front left side solid) of a defective marking mechanism according to an embodiment of the present invention;

fig. 16 is a reference diagram of the use state of the embodiment of the present invention covered with the sealing cover structure.

In the above drawings: 1. an optical film material tape; 2. an optical film product; 3. a protective film; 4. a base film; 5. a frame; 6. an upper space; 7. a lower space; 8. a supply unit; 9. a detection unit; 10. a receiving unit; 11. a first inflatable shaft; 12. an optical film supply roll; 13. a compression assembly; 14. a transfer roller; 15. a pressing and shearing mechanism; 16. a cutting and splicing area; 17. a first platen; 18. a second platen; 19. a tape feeding module; 20. the adhesive tape pressing and applying module; 21. the protective film uncovering module; 22. a second inflatable shaft; 23. a tape roll; 24. an adhesive tape; 25. a compression handle; 26. a third inflatable shaft; 27. a first drive mechanism; 28. recovering the material roll; 29. recovering the belt; 30. an optical film bare material belt; 31. an illumination module; 32. a light emitting section; 33. incident light; 34. reflecting the light; 35. a camera module; 36. a camera; 37. a protective film feeding module; 38. the protective film pressing and applying module; 39. a fourth inflatable shaft; 40. a protective film roll; 41. a defective product marking mechanism; 42. positioning a plate; 43. marking the head; 44. a second drive mechanism; 45. a fifth inflatable shaft; 46. a third drive mechanism; 47. an optical film roll; 48. a fourth drive mechanism; 49. a fifth drive mechanism; 50. a material belt position sensor; 51. a limiting ring; 52. a tension detecting roller; 53. a transport mechanism; 54. an extrusion roller; 55. a sixth drive mechanism; 56. a swing rod mechanism; 57. a swing rod; 58. a rotating shaft; 59. a radio transceiver; 60. a radiation reflecting plate; 61. a first driving module; 62. a second driving module; 63. and (4) sealing the cover structure.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

example (b): referring to fig. 1-16, an optical film vision intelligent detection device is used for detecting an optical film product 2 in an optical film material tape 1, wherein the optical film material tape 1 is formed by combining a protection film 3, the optical film product 2 and a base film 4 from top to bottom (see fig. 1 and 2).

The detection device comprises a rack 5, wherein the length direction of the rack 5 is the X-axis direction, and the width direction of the rack 5 is the Y-axis direction; the optical film material belt 1 displaces from front to back in a rack 5 along the X-axis direction, and the rack 5 is divided into an upper space 6 and a lower space 7 in the Z-axis direction by taking the optical film material belt 1 as a reference;

the detection equipment further comprises a feeding unit 8, a detection unit 9 and a material receiving unit 10 which are sequentially arranged in the rack 5 from front to back along the X-axis direction; wherein,

as shown in fig. 6 to 8, the supply unit 8 includes:

the feeding module is arranged in the lower space 7 of the rack 5 and comprises a first air expansion shaft 11, and the first air expansion shaft 11 is horizontally arranged along the Y-axis direction and rotates relative to the rack 5; an optical film supply roll 12 is sleeved and positioned on the first air inflation shaft 11 in an air inflation mode, and when the optical film supply roll 12 rotates, the optical film material belt 1 is conveyed to the upper portion of the front side of the rack 5 from the lower portion of the front side of the rack 5 through a plurality of conveying rollers 14 which are rotatably arranged on the rack 5; the conveying rollers 14 are rotatably arranged on the rack 5 along the Y-axis direction and used for supporting the material belt and assisting the material belt to translate on the rack 5, and the parallelism of each conveying roller 14 is consistent and used for ensuring the flatness and the conveying precision of the material belt;

the pressing and shearing mechanism 15 is arranged on the front side of the rack 5, corresponds to the optical film material belt 1 sent out of the optical film material supply roll 12, and is used for positioning the optical film material belt 1 sent out of the optical film material supply roll 12 so as to shear and splice the optical film material belt 1. As shown in fig. 14, the pressing and cutting mechanism 15 includes two sets of pressing components 13, the two pressing components 13 are disposed in parallel and at intervals along the displacement direction of the optical film material tape 1, and a cutting and splicing area 16 of the optical film material tape 1 is defined between the two pressing components 13; when the two pressing assemblies 13 simultaneously press the optical film material belt 1, the optical film material belt 1 in the cutting and splicing area 16 is completely positioned so as to perform the cutting or splicing work; each pressing component 13 comprises a first pressing plate 17 fixedly arranged on the frame 5 and suspended above the optical film material belt 1, a second pressing plate 18 is arranged below the first pressing plate 17 in parallel and in a sliding manner, and the bottom surface of the second pressing plate 18 is a material belt pressing surface and is arranged right above the optical film material belt 1; the top surface of the second pressing plate 18 is connected with a pressing handle 25, and the pressing handle 25 is arranged above the first pressing plate 17 in a propping manner and used for driving the second pressing plate 18 to perform actions of lifting upwards to loosen the optical film material belt 1 or pressing downwards to fix the optical film material belt 1.

Through the design of compressing tightly shearing mechanism 15, when having certain section area unusual in the blooming material supply roll 12, can shut down the equipment earlier, fix blooming material area 1 through this compressing tightly shearing mechanism 15, carry out the shearing and the concatenation of blooming material area 1 through manual work or mechanical mode again to guarantee that the blooming material area 1 who sends into detecting element 9 is that there is not fold or obvious defect, be used for improving the roughness and the conveying precision of blooming material area 1. Alternatively, when one optical film supply roll 12 runs out and the optical film strip 1 in a new optical film supply roll 12 needs to be spliced with the optical film strip 1 in a previous optical film supply roll 12, the pressing and shearing mechanism 15 can also be used for splicing. Wherein, the bottom surface of the second pressing plate 18 can be provided with an elastic pressing layer; by the design, the optical film material belt 1 can be better pressed and positioned, and damage to the optical film products 2 in the material belt can be reduced.

A protective film uncovering mechanism arranged in the upper space of the frame 5 and used for uncovering the protective film 3; the protective film removing mechanism comprises a tape feeding module 19, a tape pressing and applying module 20 and a protective film removing module 21 which are sequentially arranged in the rack 5 from front to back along the X-axis direction; wherein,

the adhesive tape feeding module 19 comprises a second inflatable shaft 22, and the second inflatable shaft 22 is horizontally arranged along the Y-axis direction and rotates relative to the rack 5; a tape roll 23 is sleeved and positioned on the second inflatable shaft 22 in an inflatable manner, when the tape roll 23 rotates, a tape 24 in the tape roll 23 is conveyed onto the optical film strip 1 from above the optical film strip 1, and enters the tape pressing and applying module 20 to be applied and positioned with the optical film strip 1;

the tape pressing and applying module 20 includes a first pressing roller and a second pressing roller (not visible in the drawing) in clearance fit with the first pressing roller, both of which are horizontally arranged along the Y-axis direction and both of which rotate relative to the frame 5; when the optical film strip 1 and the adhesive tape 24 enter the adhesive tape pressing and applying module 20 at the same time, the adhesive tape 24 and the optical film strip 1 are driven by the air cylinder through the first pressing roller and the second pressing roller to be in extrusion fit, so that the adhesive surface below the adhesive tape 24 is forced to be applied to the upper part of the protective film 3 of the optical film strip 1, and the combined strip enters the protective film removing module 21;

the protective film uncovering module 21 comprises a third air inflation shaft 26 and a first driving mechanism 27 for driving the third air inflation shaft 26 to rotate around the Y-axis direction; the third air inflation shaft 26 is horizontally arranged along the Y-axis direction and rotates relative to the rack 5, a recovery roll 28 is sleeved on the third air inflation shaft 26 and positioned in an air inflation mode, the adhesive tape 24 is pasted on the optical film material strip 1 and the protective film 3 is taken off to form a recovery strip 29, and then the recovery strip is wound and positioned on the third air inflation shaft 26 to form the recovery roll 28; when the recovery material roll 28 rotates, the adhesive tape 24 is drawn to continuously remove the protective film 3 from the optical film material tape 1, the optical film material tape 1 after the protective film 3 is removed becomes an optical film bare tape 30, and the optical film bare tape 30 comprises the base film 4 and the optical film products 2 to be detected positioned on the base film 4 at intervals; the optical film bare material belt 30 moves to the detection unit 9 for optical detection;

as shown in fig. 9 and 10, the detection unit 9 includes:

an illumination module 31 disposed in the upper space of the frame 5, wherein the illumination module 31 is horizontally disposed along the Y-axis direction, and includes a light emitting portion 32, and the light emitting portion 32 irradiates the upper surface of the optical film product 2 on the bare optical film strip 30 to form an irradiation area; wherein, the light emitting part 32 is disposed obliquely downward, so that the incident light 33 on the irradiation region has an incident angle, and the incident light 33 is reflected on the optical film product 2 in the irradiation region to form a reflected light 34;

the camera module 35 is also arranged in the upper space of the rack 5, is horizontally arranged along the Y-axis direction and corresponds to the illumination module 31; the camera module 35 comprises a camera 36, the camera 36 is arranged corresponding to the light path of the reflected light 34, and the axis of the camera 36 is overlapped with the reflected light 34 in the Y-axis direction, so that the camera 36 can clearly capture the reflected light 34, and further capture the surface image of the optical film product 2 in the irradiation area;

the upper computer (not shown in the figure) is electrically connected with the camera module 35 and is used for receiving the image information of the upper surface of the optical film product 2 shot by the camera module 35 and carrying out image recognition detection so as to screen out the defective optical film product 2 and uploading the screened information to a control system of the detection equipment;

the camera module 35 performs scanning shooting on the optical film product 2, and continuously uploads the image information shot frame by frame to the upper computer; the upper computer performs real-time multi-stage processing on the image information through built-in optical detection software, and simultaneously compares the image information with image data of a normal optical film product 2 preset in the upper computer to screen out a defective optical film product 2; the optical detection method used by the upper computer can be an existing optical detection method in the industry and can be mastered by a person skilled in the art.

As shown in fig. 11 to 13, the material receiving unit 10 includes:

a protective film attaching mechanism provided in an upper space of the frame 5 for attaching a new protective film 3 to the bare optical film tape 30 detected by the detecting unit 9; the protective film applying mechanism comprises a protective film feeding module 37 and a protective film pressing and applying module 38 which are sequentially arranged in the rack 5 from front to back along the X-axis direction; wherein,

the protective film feeding module 37 comprises a fourth air inflation shaft 39, and the fourth air inflation shaft 39 is horizontally arranged along the Y-axis direction and rotates relative to the rack 5; a protective film material roll 40 is sleeved and positioned on the fourth air inflation shaft 39 in an air inflation mode, when the protective film material roll 40 rotates, a protective film material belt in the protective film material roll 40 is conveyed to the optical film bare material belt 30 from the upper portion of the optical film bare material belt 30, and enters the protective film pressing and applying module 38 to be applied and positioned with the optical film bare material belt 30;

the protective film pressing and applying module 38 includes a third pressing roller and a fourth pressing roller (not visible in the drawing) in clearance fit with the third pressing roller, both of which are horizontally arranged along the Y-axis direction and both of which rotate relative to the frame 5; when the bare optical film tape 30 and the protective film tape simultaneously enter the protective film pressing and applying module 38, the bare optical film tape and the bare optical film tape 30 are driven by the air cylinder to be in extrusion fit through the third pressing roller and the fourth pressing roller, so that an adhesive surface below the protective film tape is forced to be applied to the upper part of the bare optical film tape 30, and the combined tape becomes a new optical film tape 1 and moves towards the rear side of the rack 5;

the receiving unit 10 further includes:

a defective product marking mechanism 41, as shown in fig. 15, disposed at the rear side of the frame 5 and corresponding to the optical film tape 1 fed out from the protective film application mechanism, wherein when a defect is identified in the optical film tape 1 by the detection unit 9, the defective optical film product 2 is marked by the defective product marking mechanism 41 so as to be removed later; the defective product marking mechanism 41 comprises a positioning plate 42 fixedly arranged on the frame 5 and suspended above the optical film material belt 1, two marking heads 43 are arranged below the positioning plate 42 and are opposite to the optical film material belt 1 and are in one-to-one correspondence with the optical film products 2, the marking heads 43 are driven by a second driving mechanism 44 to perform lifting or descending actions relative to the optical film material belt 1, and when the marking heads 43 descend, the marking heads 43 are contacted with the sections of the optical film material belt 1, which are provided with the optical film products 2, for marking; the second driving mechanism 44 is electrically connected to the control system, and the control system controls the second driving mechanism 44 to drive the marking head 43 to specifically mark the defective optical film product 2 through the discrimination information of each optical film product 2 by the detection unit 9;

and the material receiving module is arranged in the lower space of the rack 5 and comprises a fifth air inflation shaft 45 and a third driving mechanism 46 for driving the fifth air inflation shaft 45 to rotate around the Y-axis direction. The fifth inflatable shaft 45 is horizontally arranged along the Y-axis direction and rotates relative to the rack 5; an optical film receiving roll 47 is sleeved on the fifth air inflation shaft 45 and positioned in an air inflation mode, when the fifth air inflation shaft 45 rotates, the optical film receiving roll 47 rotates synchronously, and the optical film material belt 1 is pulled to be conveyed from the upper portion of the rear side of the rack 5 to the lower portion of the rear side of the rack 5 through a plurality of conveying rollers 14 which are rotatably arranged on the rack 5 and is wound into the optical film receiving roll 47.

The first inflatable shaft 11 is a driven shaft, and the optical film supply roll 12 on the first inflatable shaft 11 is pulled by the fifth inflatable shaft 45 to rotate; the second air inflation shaft 22 is a driven shaft, and the adhesive tape roll 23 on the second air inflation shaft 22 is pulled by the third air inflation shaft 26 to rotate; the third inflatable shaft 26 is a driving shaft and is driven to rotate by a first driving mechanism 27; the fourth air inflation shaft 39 is a driven shaft, and the protective film material roll 40 on the fourth air inflation shaft 39 is pulled by the fifth air inflation shaft 45 to rotate; the fifth air shaft 45 is a driving shaft and is driven to rotate by a third driving mechanism 46.

Wherein, the surface of each compaction roller is provided with an elastic compaction layer; by the design, the adhesive tape 24 and the optical film material belt 1 can be well pressed and positioned, or the protective film material belt and the optical film bare material belt 30 can be well pressed and positioned, and damage to the optical film products 2 in the material belts can be reduced.

The first driving mechanism 27 may be a motor, or may be other driving devices with the same function; the second driving mechanism 44 may be a cylinder, or may be other driving devices with the same function; the third driving mechanism 46 may be a motor, or may be another driving device with the same function, and the motor drives the optical film material tape 1 to move from front to back on the frame 5 through forward rotation, so that the fifth air inflation shaft 45 is a driving shaft in the frame 5.

The feeding module further includes a fourth driving mechanism 48 for driving the first inflation shaft 11 to rotate around the Y-axis direction and a fifth driving mechanism 49 for driving the first inflation shaft 11 to translate along the Y-axis direction. The fourth driving mechanism 48 may be a servo motor, or may be a driving device with other similar functions, when the tension of the material tape is insufficient, the fourth driving mechanism 48 drives the first air inflation shaft 11 to rotate reversely, and the tension of the material tape is maintained by matching with the normal rotation of the fifth air inflation shaft 45; the fifth driving mechanism 49 may specifically be an electric cylinder, or may also be a driving device with other similar functions, and when the position sensor 50 detects that the position of the optical film strip 1 after being discharged deviates, the fifth driving mechanism 49 drives the first air expansion shaft 11 to translate in the Y-axis direction, so as to correct the position of the optical film strip 1, and thus, the conveying accuracy of the optical film strip 1 is ensured.

The detection equipment further comprises a material belt position adjusting system, wherein the material belt position adjusting system comprises a material belt deviation rectifying mechanism and a material belt tension adjusting mechanism; the device is used for ensuring the flatness and the transmission precision of the material belt so as to improve the optical detection efficiency and effect of the detection unit 9;

the material belt correcting mechanism comprises a material belt position sensor 50 and limiting rings 51 sleeved at two ends of each conveying roller 14; the material belt position sensor 50 is arranged in the lower space 7 of the frame 5 in the feeding unit 8, is arranged corresponding to the optical film material belt 1 fed out from the optical film feeding roll 12, and is used for detecting the horizontal position of the optical film material belt 1 in the Y-axis direction; when the tape position sensor 50 detects that the position of the optical film tape 1 is shifted, the control system enables the fifth driving mechanism 49 to drive the first air inflation shaft 11 to drive the optical film supply roll 12 to translate along the Y-axis direction, so as to correct the shift amount of the optical film tape 1 in the horizontal direction; the limiting rings 51 are arranged at two ends of each conveying roller 14 in the Y-axis direction in pairs, and the distance between the two limiting rings 51 on the same conveying roller 14 is the same as the width of the material belt;

the material belt tension adjusting mechanism comprises at least one tension detecting mechanism which is supported below the material belt and used for detecting the tension of the material belt in real time; the tension detection mechanism comprises a tension detection roller 52 and two conveying rollers 14 which are arranged at two sides of the tension detection roller 52 in tandem; the connecting line of the axes of the two conveying rollers 14 is lower than the axis of the tension detecting roller 52, the connecting line of the axes of the three rollers is a triangle, the triangle is an obtuse triangle, and the connecting line of the axes of the two conveying rollers 14 is the long side of the obtuse triangle.

The material belt passes through the tension detection roller 52, is wound to the upper part of the tension detection roller 52 below the front side conveying roller 14, and then is wound downwards backwards below the rear side conveying roller 14; when the material belt is pulled to translate, the material belt generates a downward pressing force on the tension detection roller 52 through the action of the two conveying rollers 14, and the pressing force is the tension of the material belt; the tension detection roller 52 is provided with a pressure sensor (not visible in the figure) which detects the tension of the material belt in real time, and if the tension is insufficient, the fourth driving mechanism 48 drives the first air inflation shaft 11 to rotate reversely through the control system, so that the material belt is tensioned by matching with the traction force of the fifth air inflation shaft 45, the material belt is kept at sufficient tension, the flatness of the material belt during translation is ensured, and the flatness of the material belt directly influences the visual detection effect.

The material belt traction device further comprises at least one conveying mechanism 53, wherein the conveying mechanism 53 is arranged corresponding to the material belt and is used for assisting the fifth air inflation shaft 45 in drawing the material belt from front to back; the conveying mechanism 53 comprises a pair of extrusion rollers 54, the two extrusion rollers 54 are arranged one above the other, the material belt is arranged between the two extrusion rollers 54 in a penetrating way, and the material belt is pulled and translated through the relative rotation of the two extrusion rollers 54; wherein, at least one of the two squeezing rollers 54 is driven to rotate by a sixth driving mechanism 55; the sixth driving mechanism 55 may be a motor, or may be other driving devices with the same function.

The first conveying mechanism 53 is arranged between the feeding unit 8 and the detection unit 9 and is used for conveying the optical film bare material belt 30 to the detection unit 9; the second conveying mechanism 53 is disposed between the detecting unit 9 and the receiving unit 10, and is configured to convey the bare optical film strip 30 to the receiving unit 10.

The material belt positioning device further comprises at least one group of swing rod mechanisms 56, wherein the swing rod mechanisms 56 are arranged below the material belt and used for adjusting the reference of the material belt in the Z-axis direction; the swing rod mechanism 56 comprises a swing rod 57 horizontally arranged along the Y-axis direction and a rotating shaft 58 which is parallel to the swing rod 57 and is positioned on the rack 5; when the swing rod 57 swings up and down around the rotating shaft 58, the swing rod 57 supports the material belt to move up and down;

the first swing link mechanism 56 is disposed below the irradiation area of the bare optical film strip 30 in the detection unit 9, and the X-axis position and the Z-axis position of the irradiation area are adjusted by the vertical swing of the swing link 57, so that the reflected light 34 can be accurately captured by the camera 36 of the camera module 35.

The swing link mechanism 56 may also be disposed in the feeding unit 8 and the receiving unit 10, for example, at the front of each of the conveying mechanisms 53, so as to facilitate the material belt to enter the conveying mechanism 53 by adjusting the horizontal reference of the material belt.

The tapes supported and conveyed by the conveying roller 14, the tension detecting roller 52, the conveying mechanism 53 and the swing link mechanism 56 include an optical film tape 1, a combined tape and an optical film bare tape 30.

The device also comprises three groups of optical sensing mechanisms which are respectively arranged corresponding to the discharging side of the adhesive tape roll 23 in the adhesive tape feeding module, the feeding side of the recovery roll 28 in the protective film uncovering module 21 and the discharging side of the protective film roll 40 in the protective film feeding module 37; the optical sensing mechanism comprises a ray transceiver 59 and a ray reflection plate 60, the ray transceiver 59 and the ray reflection plate 60 are respectively arranged on two sides of the material belt of each material roll in the X-axis direction, the ray emitted by the ray transceiver 59 is used for detecting whether the material belt exists or not, if the ray reflection plate 60 cannot reflect the ray emitted by the ray transceiver 59, the ray is shielded by the material belt, the material belt exists at the moment, and otherwise, the material belt does not exist.

The radio transceiver 59 is electrically connected with the control system, sends detection information to the control system, and sends out a prompt to remind a user of replacing the material belt after the material belt in the material roll is used up.

The feeding unit 8 further includes a separating blade (not shown in the figure), which is rotatably disposed on the frame 5 along the Y-axis direction and is disposed above the combined material tape; when the recovery material roll 28 rotates, the adhesive tape 24 and the protective film 3 on the optical film material tape 1 are lifted up to enter the feeding side of the recovery material roll 28, and the separation blade presses the lifted position of the adhesive tape 24 and the protective film 3, so that the recovery tape 29 of the adhesive tape 24 and the protective film 3 forms an included angle with the base film 4 of the optical film material tape 1 where the optical film product 2 is positioned. By the design, the optical film product 2 can be effectively prevented from being taken away by the protective film 3 and entering the recovery material roll 28.

The illumination module 31 is driven by a first driving module 61 to perform position adjustment in three axes and rotation around the Y axis, and the camera module 35 is driven by a second driving module 62 to perform position adjustment in three axes and rotation around the Y axis; so that the incident light 33 can be precisely irradiated on the optical film product 2 of the bare optical film strip 30, and the reflected light 34 can be precisely captured by the camera 36 of the camera module 35. The first driving module 61 and the second driving module 62 both include four driving mechanisms, which are respectively used for driving the translation of the X axis, the translation of the Y axis, the translation of the Z axis, and the rotation around the Y axis.

In the detection unit 9, the illumination module 31 and the camera module 35 are also arranged in the lower space 7 of the rack 5, and are used for simultaneously irradiating and shooting the lower surface of the optical film product 2 in the optical film bare material belt 30 (at this time, the base film 4 is made of a transparent or semitransparent material), and the camera module 35 at the lower part is also electrically connected with the upper computer. The second swing link mechanism 56 is disposed above the bottom irradiation area of the bare optical film strip 30 in the detection unit 9, and the X-axis position and the Z-axis position of the bottom irradiation area are adjusted by the vertical swing of the swing link 57, so that the reflected light below can be accurately captured by the camera 36 of the lower camera module 35.

Wherein, all be equipped with magnetic powder brake (not visible in the picture) in each physiosis axle, when equipment suddenly starts or stops suddenly, each physiosis axle can all keep invariable torsion, avoids the material book on the physiosis axle to lead to the material area to receive, put unusually because of inertia.

As shown in fig. 16, the upper space of the frame body 5 is covered with a sealing cover structure 63, so that the safety of the operator is not affected by the production of the device, and the dust in the workshop is prevented from entering the device and polluting the surface of the optical film. The lower space of the frame body 5 can also be covered with a sealing cover structure 63.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. An optical film vision intelligent detection device is used for detecting optical film products in an optical film material belt, wherein the optical film material belt is formed by combining a protective film, the optical film products and a base film from top to bottom; the method is characterized in that: the detection equipment comprises a rack, wherein the length direction of the rack is the X-axis direction, and the width direction of the rack is the Y-axis direction; the optical film material belt displaces from front to back in a rack along the X-axis direction, and the rack is divided into an upper space and a lower space in the Z-axis direction by taking the optical film material belt as a reference;

the supply unit includes:

the protective film uncovering module comprises a first material receiving shaft and a first driving mechanism for driving the first material receiving shaft to rotate around the Y-axis direction; the first material receiving shaft is horizontally arranged along the Y-axis direction and rotates relative to the rack, and a recovery material roll is sleeved and positioned on the first material receiving shaft; the adhesive tape is pasted and taken off the protective film from the optical film material belt, and then is wound and positioned on the first material receiving shaft to form the recovery material roll; when the recovery material roll rotates, the adhesive tape continuously uncovers the protective film from the optical film material tape, the optical film material tape with the protective film uncovered becomes an optical film bare tape, and the optical film bare tape is displaced to the detection unit for optical detection;

the detection unit includes:

the receiving unit includes:

the receiving unit further comprises:

the defective product marking mechanism comprises at least one marking head part which is arranged opposite to the optical film material belt, and the marking head part is driven by a second driving mechanism to perform lifting or descending actions relative to the optical film material belt; when the marking head descends, the marking head contacts the optical film material belt for marking; the second driving mechanism is electrically connected with the control system, and the control system controls the second driving mechanism to drive the marking head to mark the defective optical film product in a targeted manner through the discrimination information of the detection unit on each optical film product;

2. The detection apparatus according to claim 1, wherein: the supply unit further includes:

the pressing and shearing mechanism is arranged on the front side of the rack, corresponds to the optical film material belt sent out from the optical film material supply roll and is used for positioning the optical film material belt sent out from the optical film material supply roll so as to shear and splice the optical film material belt; the pressing and shearing mechanism comprises two groups of pressing components, the two pressing components are arranged in parallel at intervals along the displacement direction of the optical film material belt, and a cutting and splicing area of the optical film material belt is defined between the two pressing components; each compressing assembly comprises a first pressing plate fixedly arranged on the rack and suspended above the optical film material belt, a second pressing plate is arranged below the first pressing plate in a parallel and sliding mode, and the bottom surface of the second pressing plate is a material belt compressing surface and is arranged over the optical film material belt; and the second pressing plate lifts upwards to loosen the optical film material belt or presses downwards to fix the optical film material belt.

3. The detection apparatus according to claim 1, wherein: the conveying mechanism is arranged corresponding to the material belt and is used for assisting the second material receiving shaft to pull the material belt; the conveying mechanism comprises a pair of extrusion rollers, the two extrusion rollers are arranged one above the other, the material belt penetrates between the two extrusion rollers, and the material belt is pulled to translate through the relative rotation of the two extrusion rollers; wherein at least one of the two extrusion rollers is driven to rotate by a sixth driving mechanism;

4. The detection apparatus according to claim 1, wherein: the swing rod mechanism is arranged below the corresponding material belt and used for adjusting the reference of the material belt in the Z-axis direction; the swing rod mechanism comprises a swing rod horizontally arranged along the Y-axis direction and a rotating shaft which is parallel to the swing rod and is positioned on the rack; when the swing rod swings up and down around the rotating shaft, the swing rod supports the material belt to move up and down;

the first swing rod mechanism is arranged below the irradiation area of the optical film bare strip in the detection unit, and the X-axis position and the Z-axis position of the irradiation area are adjusted through the up-and-down swing of the swing rod.

5. The detection apparatus according to claim 1, wherein: the three groups of optical sensing mechanisms are respectively arranged corresponding to the discharge side of the adhesive tape roll in the adhesive tape feeding module, the feeding side of the recovery roll in the protective film uncovering module and the discharge side of the protective film roll in the protective film feeding module; the optical sensing mechanism comprises a ray transceiver and a ray reflection plate, the ray transceiver and the ray reflection plate are respectively arranged on two sides of the material belt of each material roll in the X-axis direction, and the ray emitted by the ray transceiver is used for detecting whether the material belt exists or not.

6. The detection apparatus according to claim 1, wherein: the feeding unit also comprises a separation blade which is rotatably arranged on the rack along the Y-axis direction and is arranged above the combined material belt correspondingly; when the recovery material roll rotates, the adhesive tape and the protective film on the optical film material belt are lifted together to enter the feeding side of the recovery material roll, and the separation blade is pressed at the lifted position of the adhesive tape and the protective film, so that an included angle is formed between the adhesive tape and the recovery belt of the protective film and the base film positioned with the optical film product in the optical film material belt.

7. The detection apparatus according to claim 1, wherein: in the detection unit, also be equipped with in the lower part space of frame the lighting module with the module of making a video recording is used for simultaneously right in the blooming bare material area the lower surface of blooming product shines and makes a video recording, the lower part the module electricity of making a video recording is connected the host computer.

8. The detection apparatus according to claim 1 or 7, wherein: the lighting module is driven by a first driving module to adjust the position of the three-axis direction and rotate around the Y axis, and the camera module is driven by a second driving module to adjust the position of the three-axis direction and rotate around the Y axis.