Search

CN-122016857-A - Film flaw detection device and detection method thereof

CN122016857ACN 122016857 ACN122016857 ACN 122016857ACN-122016857-A

Abstract

The application discloses a thin film flaw detection device and a detection method thereof, which relate to the technical field of detection equipment, and realize flexible support of a plurality of material rolls by utilizing a plurality of telescopic cylinder carriers through optimizing and improving the structure of the thin film flaw detection device in the prior art, wherein the support process does not need hoisting, the damage to the material rolls is small, the shadow image of a thin film is simultaneously collected for processing and detecting when the thin film image is collected, the detection effect is improved, and the technical effects of relatively good detection effect, difficult omission detection, strong applicability, convenience and high efficiency in loading and unloading and difficult damage to the material rolls in the loading and unloading process are realized.

Inventors

  • ZHOU BIN
  • Ke Jinjun
  • ZHU LIANG

Assignees

  • 苏州加佳嘉电子材料有限公司

Dates

Publication Date
20260512
Application Date
20260401

Claims (10)

  1. 1. The film flaw detection device comprises a lamp (330) and an image collector, and is characterized by further comprising four cylinder carriers (100), a connector (200) and an image assembly; The four cylinder carriers (100) are arranged in pairs, two groups are arranged symmetrically, and the two groups are respectively used for bearing and positioning a discharging reel (001) and a receiving reel (002); the cylinder carrier (100) comprises a basic carrier (110), an insertion cone (120) and a bottom telescopic carrier (130); The insertion cone (120) is conical, the axial direction of the insertion cone is parallel to the horizontal ground, the end part far away from the tip is positioned on the basic carrier (110), and the insertion cone is controlled to rotate around the axis of the insertion cone; the bottom telescopic carrier (130) is placed on the ground, the top of the bottom telescopic carrier is fixed at the bottom of the basic carrier (110), and the bottom telescopic carrier is controlled to be telescopic; When the detection is carried out, the discharging winding drum (001) and the receiving winding drum (002) are both in suspended rotation and driven by the insertion cone (120) to rotate, and the two cylinder carriers (100) in the same group are fixed together through the connecting body (200); The image collector collects image information of the shadows of the films (003) and the films (003) on the image assembly at the same time; The mapping assembly is positioned on the ground right below the film (003) between the discharging reel (001) and the receiving reel (002), is in a horizontal strip-shaped plate shape as a whole, has a smooth top surface and is used for projecting the shadow of the film (003).
  2. 2. The thin film flaw detection device according to claim 1, wherein the image component is an image plate (610), and the image plate (610) is a horizontal strip-shaped plate body, and the top surface is smooth and monochromatic.
  3. 3. The thin film flaw detection apparatus according to claim 1, wherein the image assembly includes a base support (620) and a tape-like image body; the bottom support body (620) is a strip-shaped plate body formed by splicing and combining a plurality of transverse hard plate bodies, the top surface is smooth, and the required length can be spliced and combined according to the requirement; the whole band-shaped image body is in a reel shape and comprises a reel body (710), an image band body (720) and a reel carrying frame (730); The winding drum body (710) is a horizontally arranged cylindrical winding drum, the carrying drum frame (730) is a hard bracket, the number of the winding drum body (710) and the number of the carrying drum frame (730) are two, and the winding drum body (710) is rotationally connected to the carrying drum frame (730) around the axis of the winding drum body and is controlled to rotate; The image belt body (720) is a light-colored cloth belt, two ends of the image belt body are respectively wound and positioned on the two winding drum bodies (710), and the bottom surface is always clung to the top surface of the bottom support body (620) when the image belt is used.
  4. 4. The thin film flaw detection device according to claim 3, wherein the structure of the bottom support body (620) is identical to that of the band-shaped image body, the image band body (720) of the band-shaped image body is arranged one above the other, the image band body (720) of the band-shaped image body is tightly attached to the top surface of the image band body (720) of the bottom support body (620), and the image band body (720) of the bottom support body (620) is tightly attached to the ground.
  5. 5. The thin film flaw detection device according to claim 3, wherein the image strip body (720) of the strip image body is formed by splicing and combining cloth strips with various colors one by one, and when detecting thin films with different colors, rotation of the two roller bodies (710) is cooperatively controlled to expose the cloth strips with different colors, so that the flaw area of the thin film (003) is more remarkably compared with a normal area.
  6. 6. The thin film defect detecting device according to any one of claims 1 to 5, further comprising a marking assembly; the marking component is placed on the ground, is arranged near one end of the material receiving winding drum (002), and comprises a bottom carrier (810), a sliding frame body (820), a bearing and supporting component and a guiding marking component; the bottom carrier (810) is a vertically arranged telescopic rod, is controlled to stretch and retract, and is provided with a pressure spring with a buffering function and a hard block with a connecting function positioned at the top of the pressure spring at the top; The sliding frame body (820) is slidably positioned on the hard block body, is controlled to slide along the horizontal direction, and the sliding direction is perpendicular to the axial direction of the material receiving winding drum (002); The bearing and supporting assembly is positioned at the top of the sliding frame body (820) and comprises a first carrier plate (831), a second carrier plate (832) and a top wheel body (833); The first carrier plate (831) and the second carrier plate (832) are both hard plate bodies arranged vertically, and when in detection, the second carrier plate (832) is always positioned at the bottom of the material receiving reel (002), and the top of the first carrier plate (831) is close to the end part of the material receiving reel (002); The top wheel body (833) is a bull's eye ball and is fixed on the top of the second carrier plate (832); The guiding and marking assembly is used for guiding the movement of the sheet body or the rod body with the marking function, so that the sheet body or the rod body with the marking function can be plugged into a gap between the material collecting reel (002) and the film (003) to be wound on the material collecting reel (002) in time.
  7. 7. The thin film defect detecting device according to claim 6, wherein the marking sheet (843) is used as a marking sheet; the guide marking assembly includes a guide block (841), a guide post (842), a marking sheet carrier tape (844), and a rotating spool (845); the guide blocks (841) and the guide columns (842) are positioned on one side of the first carrier plate (831); The guide post (842) is used for guiding the marking piece carrier tape (844) to bend at a small distance and a large angle so as to separate the marking piece (843) carried by the marking piece carrier tape (844) from the marking piece carrier tape (844); the label sheet carrier tape (844) between the guide block (841) and the guide column (842) is in a horizontal state; The marking sheet carrier tape (844) is a non-metal tape with one surface coated with self-adhesive, two ends are respectively wound and positioned on the two rotating reels (845), the two rotating reels are always in a straight state, and the non-adhesive surface is always clung to the top surfaces of the guide block (841) and the guide column (842); the marking sheet (843) is a rectangular plastic sheet or a rectangular paper sheet, is stuck on the marking sheet carrier tape (844) and is arranged in a row.
  8. 8. The thin film defect detecting device according to claim 6, wherein the marking rod (847) is used for marking; The guide mark assembly includes a guide tube (848), a rotating spool (845), and a cutter (849); The guide pipe (848) is a hard bent rod, the inner wall is smooth, the guide pipe is fixed on one side of the first carrier plate (831), and the position close to the top opening is in a horizontal state; The rotating drums (845) are positioned at the bottom of the guide pipes (848), one in number and positioned at one side of the first carrier plate (831); the cutting body (849) is positioned at the top end of the guide tube (848) and is an electric cutting knife for timely cutting the marking rod (847); The marking rod (847) is a rubber or plastic soft rod, one end of the marking rod is wound and positioned on the rotary drum (845), penetrates from the bottom of the guide tube (848), penetrates through the guide tube (848), and is exposed from the top opening of the guide tube (848).
  9. 9. The thin film flaw detection device according to claim 8, wherein when the mark is made by the mark rod (847), different information is marked by controlling the length of the mark rod (847) cut by the current mark, by making regular scores on the mark rod (847) by the cutting body (849), by controlling the insertion angle of the mark rod (847) cut by the current mark, and/or by printing the mark on the mark rod (847).
  10. 10. A method for detecting defects of a film, which is characterized by being matched with the device for detecting defects of a film according to claim 1, comprises the following steps: in an initial state, placing a discharging reel (001) on the ground or a workshop transfer vehicle; When detection is needed, firstly, the insertion cones (120) of the two cylinder carriers (100) are moved to a state of being coaxial with the discharging winding drum (001), and then the two insertion cones (120) are inserted into two ends of the discharging winding drum (001); The same group of cylinder carriers (100) are connected and fixed by using a connector (200), and the bottom telescopic carrier (130) of the cylinder carriers (100) is controlled to extend so that the discharging winding drum (001) is suspended; the postures of the other two cylinder carriers (100) are adjusted, the other two cylinder carriers (100) and the connecting body (200) are utilized to support and fix the material receiving reel (002), the material receiving reel (002) is suspended, and the material receiving reel (002) is parallel to the material discharging reel (001) and the end parts of the material receiving reel and the material discharging reel are coplanar; The film (003) on the discharging reel (001) is wound and positioned on the receiving reel (002), the discharging reel (001) and the receiving reel (002) are controlled to cooperatively rotate, and during rotation, the lamp (330) is controlled to emit light, and the image collector collects images.

Description

Film flaw detection device and detection method thereof Technical Field The invention relates to the technical field of detection equipment, in particular to a thin film flaw detection device and a detection method thereof. Background In the film production and processing technology, finished product detection is one of core processes, and flaw detection of the film before leaving the factory can effectively control the quality of the film flowing into the market. In the prior art, the film flaw detection device generally comprises a frame for bearing a material roll, a conveying assembly and an image collector, wherein a film to be detected is conveyed to the lower part of the image collector from the material roll through the conveying assembly for image collection and then wound on a new material roll, and flaw defects of the film are found in an image processing mode, so that manual detection is replaced, the operation accuracy is greatly improved, and the error is reduced. The above scheme can replace the manual work to detect the film flaw and has higher efficiency, but has the following problems: the film flaw detection device judges the film flaw according to the film image acquired by the image acquisition device, and the color difference between a part of (possibly existing) flaws and the film is small (especially for a colored film), so that the detection omission phenomenon is easy to occur; secondly, the film flaw detection device in the prior art is mostly fixed on the ground and is difficult to move, so that the specification of the coil which can be processed is less and the applicability is poor; thirdly, the upper and lower frames of the large-sized coil are required to be realized through hoisting, and the feeding and discharging processes are complicated and low in efficiency, and the coil is easy to damage due to the fact that the hanger contacts the coil during hoisting. Therefore, a thin film flaw detection device with relatively good detection effect, difficult omission and detection, strong applicability, convenient and efficient loading and unloading and difficult damage to a material roll in the loading and unloading process is needed. Disclosure of Invention The embodiment of the application solves the technical problems that the thin film flaw detection device is easy to miss detection, poor in applicability, complicated in feeding and discharging processes and easy to damage a material roll caused by the contact of a lifting appliance with the material roll during lifting caused by the limitation of the thin film flaw detection device to a self structure in the prior art, and achieves the technical effects that the detection effect of the thin film flaw detection device is relatively good, the detection is difficult to miss, the applicability is strong, the feeding and discharging are convenient and efficient, and the material roll is difficult to damage during the feeding and discharging. The embodiment of the application provides a film flaw detection device, which comprises a lamp, an image collector, four cylinder carriers, a connector and an image assembly, wherein the lamp is arranged on the cylinder carriers; The four cylinder carriers are arranged in pairs, two groups are arranged symmetrically, and the two groups are respectively used for bearing and positioning a discharging winding drum and a receiving winding drum; The cylinder carrier comprises a basic carrier, an insertion cone and a bottom telescopic carrier; the insertion cone is conical, the axial direction of the insertion cone is parallel to the horizontal ground, the end part far away from the tip is positioned on the basic carrier, and the insertion cone is controlled to rotate around the axis of the insertion cone; the bottom of the bottom telescopic carrier is placed on the ground, the top of the bottom telescopic carrier is fixed at the bottom of the basic carrier, and the bottom telescopic carrier is controlled to be telescopic; when the detection is carried out, the discharging winding drum and the receiving winding drum are both in suspended rotation and driven by the insertion cone to rotate; the image collector collects image information of the shadows of the films on the films and the image assembly at the same time; the mapping assembly is positioned on the ground right below the film between the discharging winding drum and the receiving winding drum, is in a horizontal strip plate shape as a whole, has a smooth top surface and is used for projecting the shadow of the film. Furthermore, the image assembly is an image plate, and the image plate is a transversely arranged strip-shaped plate body, and the top surface of the image plate is smooth and monochromatic. Preferably, the image assembly comprises a base support and a tape-like image; the bottom support body is a strip-shaped plate body formed by splicing and combining a plurality of transverse hard plate bodies, the top surface is smooth, an