CN114136977A - CCD visual printing plate overprinting measuring device - Google Patents
CCD visual printing plate overprinting measuring device Download PDFInfo
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- CN114136977A CN114136977A CN202111333433.5A CN202111333433A CN114136977A CN 114136977 A CN114136977 A CN 114136977A CN 202111333433 A CN202111333433 A CN 202111333433A CN 114136977 A CN114136977 A CN 114136977A
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- 230000000007 visual effect Effects 0.000 title claims abstract description 11
- 239000004579 marble Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000004587 chromatography analysis Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000012800 visualization Methods 0.000 claims 4
- 238000005259 measurement Methods 0.000 claims 1
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- 230000009977 dual effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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Abstract
The invention relates to a measuring device, in particular to a CCD visual printing plate overprinting measuring device. The device comprises a rack and a display screen, wherein a plurality of beams which are distributed at intervals and can longitudinally slide and displace are arranged on the upper part of the rack, a plurality of cameras which can transversely slide are arranged on the beams, and the captured contents of the cameras are displayed in the display screen. Compact structure improves the operating accuracy, promotes the quality.
Description
Technical Field
The invention relates to a measuring device, in particular to a CCD visual printing plate overprinting measuring device.
Background
In the case of plate making using a dual optical drum platemaking machine, there may be a deviation between the plates made by the a drum and the B drum, and the cost of the apparatus for detecting such a deviation on the market is high.
Disclosure of Invention
The invention mainly solves the defects in the prior art, and provides the CCD visual printing plate overprinting measuring device which is used for detecting the deviation between printing plates manufactured by the drum A and the drum B, and has high precision and lower cost.
The technical problem of the invention is mainly solved by the following technical scheme:
the utility model provides a visual printing plate overprinting measuring device of CCD, includes frame and display screen, the upper portion of frame be equipped with a plurality of crossbeams that are interval form distribution and can vertically slide the displacement, the crossbeam on be equipped with a plurality of cameras that can transversely slide, the content of seizure of camera show in the display screen.
Preferably, the left end and the right end of the frame are respectively provided with a longitudinal slide rail, the bottom parts of the two side ends of the cross beam are respectively provided with a fine adjustment support which can be finely adjusted, and the fine adjustment supports longitudinally slide along the longitudinal slide rails; the upper part of the beam is provided with a transverse guide rail, and the camera carries out transverse displacement along the transverse guide rail.
Preferably, the beam comprises a beam I, a beam II and a beam III, and each beam is provided with two cameras.
Preferably, the upper portion of frame be equipped with the marble platform, the inboard of frame be equipped with the locating pin of fixed with the location chromatography.
An operation method of a CCD visual printing plate overprinting measuring device comprises the following steps:
firstly, 4 characteristic points are selected on a printing plate made by the drum A or the drum B: A. b, C, D, then placing the printing plate on a marble platform of the plate-viewing tool and aligning the holes punched on the printing plate with positioning pins at the upper end of the platform, then, an appropriate camera is selected to align the feature points and a line width specification of the inspection line is selected among 9 specifications of 0.3mm, 0.2mm, 0.15mm, 0.1mm, 0.08mm, 0.06mm, 0.04mm, 0.02mm, 0.01mm, for example, by moving the beam i to a substantially horizontal height of the feature point a by a vertical moving guide, then moving a camera positioned at the left end of the guide rail on the beam I to enable the cross line on the camera lens to be vertically aligned with the characteristic point A, selecting the line width specification of the detection line to be 0.01mm, finely adjusting a fine adjustment support at the left end of the beam I to enable the cross line of the camera to be horizontally aligned with the characteristic point A, when the cross line of the camera is aligned with the characteristic point A, the fine adjustment support is locked, and a slide block of the camera and a slide block at the left end of the cross beam I are locked by a locking block; moving a camera positioned at the right end of the guide rail on the cross beam I to enable a cross line on a camera lens to be positioned near a characteristic point B, finely adjusting a fine adjustment support at the right end of the cross beam I to enable the cross line of the camera to be horizontally aligned with the characteristic point B, locking the fine adjustment support, finely adjusting the position of the camera to enable the cross line to be vertically aligned with the characteristic point B, and locking a sliding block of the camera and a sliding block at the right end of the cross beam I by using a locking block after the cross line of the camera is aligned with the characteristic point B;
after the cross lines of two cameras on the cross beam I are aligned with the characteristic point A, B, selecting a proper cross beam alignment characteristic point C, D, for example, moving the cross beam III to the approximate horizontal height of the characteristic point C, then moving the camera on the left end of the guide rail on the cross beam III to enable the cross lines on the camera lens to be vertically aligned with the characteristic point C, finely adjusting a fine adjustment support at the left end of the cross beam III to enable the cross lines of the camera to be horizontally aligned with the characteristic point C, locking the fine adjustment support after the cross lines of the camera are aligned with the characteristic point C, and locking a sliding block of the camera and a sliding block at the left end of the cross beam III by using a locking block; moving a camera positioned at the right end of the guide rail on the cross beam III to enable a cross line on a camera lens to be positioned near the characteristic point D, finely adjusting a fine adjustment support at the right end of the cross beam III to enable the cross line of the camera to be horizontally aligned with the characteristic point D, locking the fine adjustment support, finely adjusting the position of the camera to enable the cross line to be vertically aligned with the characteristic point D, and locking a sliding block of the camera and a sliding block at the right end of the cross beam III by using a locking block after the cross line of the camera is aligned with the characteristic point D;
taking down the printing plate after aligning 4 characteristic points on the first printing plate with the cross lines of 4 cameras on the plate-viewing tool, and taking the same 4 characteristic points on the printing plate made by the other optical drum: A. b, C, D, positioning and placing a second printing plate in the same positioning mode as the first printing plate, and observing whether the cross lines of the 4 cameras are deviated from the 4 characteristic points on the second printing plate or not through the display screen;
when one characteristic point is aligned with the cross line of the corresponding camera, if the two characteristic points at the same horizontal position or the same vertical position have deviation with the cross line of the corresponding camera, the deviation between the two printing plates can be calculated by the multiple of the detection line with the selected specification;
if one feature point on the printing plate has both horizontal deviation and vertical deviation and two feature points adjacent to the feature point have deviation in only one direction, distortion exists between the two printing plates.
The working principle is as follows: and a display screen is arranged at the upper left corner of the rack and used for observing the characteristic points or characteristic lines on the layout. The upper end of the frame is provided with a positioning pin which is used for fixing and positioning the position of the register plate. The frame is provided with a marble platform, and the marble platform is used for placing a printing plate. And guide rails which are vertically arranged are arranged on two sides of the rack and are used for moving the three beams. The frame is equipped with three crossbeams, and the crossbeam top-down divide into crossbeam I, crossbeam II and crossbeam III, and is equipped with the guide rail of horizontal installation on every crossbeam, and the guide rail is used for moving the camera on the crossbeam. The bottom of the two ends of the cross beam is provided with a fine adjustment support which is used for fine adjustment of the horizontal position of the cross beam. The crossbeam I is provided with 2 cameras, and the 2 cameras are used for capturing and observing characteristic points or characteristic lines on the upper end of the printing plate. And 2 cameras are mounted on the cross beam II and used for capturing and observing feature points or feature lines in the middle or at the lower end of the printing plate. And 2 cameras are mounted on the cross beam III, and are used for capturing and observing feature points or feature lines at the lower end of the printing plate.
The invention provides a CCD visual printing plate overprinting measuring device which is compact in structure, improves operation precision and improves quality.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic diagram of the characteristic point structure of the present invention.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1: as shown in the figure, the CCD visual printing plate overprinting measuring device comprises a rack 1 and a display screen 2, wherein a plurality of beams which are distributed at intervals and can longitudinally slide and displace are arranged on the upper portion of the rack 1, a plurality of cameras 3 which can transversely slide are arranged on the beams, and the content captured by the cameras 3 is displayed in the display screen 2.
The left end and the right end of the frame 1 are respectively provided with a longitudinal slide rail 4, the bottom parts of the two side ends of the cross beam are respectively provided with a fine adjustment support 5 which can be finely adjusted, and the fine adjustment support 5 longitudinally slides along the longitudinal slide rails 4; the upper part of the beam is provided with a transverse guide rail 6, and the camera 3 moves transversely along the transverse guide rail 6.
The crossbeam include crossbeam I7, crossbeam II 8 and crossbeam III 9, be equipped with two cameras 3 on every crossbeam respectively.
The upper portion of frame 1 be equipped with marble platform 10, the inboard of frame 1 be equipped with fixed with the locating pin 11 of location chromatography.
An operation method of a CCD visual printing plate overprinting measuring device comprises the following steps:
firstly, 4 characteristic points are selected on a printing plate made by the drum A or the drum B: A. b, C, D, then placing the printing plate on a marble platform of the plate-viewing tool and aligning the holes punched on the printing plate with positioning pins at the upper end of the platform, then, an appropriate camera is selected to align the feature points and a line width specification of the inspection line is selected among 9 specifications of 0.3mm, 0.2mm, 0.15mm, 0.1mm, 0.08mm, 0.06mm, 0.04mm, 0.02mm, 0.01mm, for example, by moving the beam i to a substantially horizontal height of the feature point a by a vertical moving guide, then moving a camera positioned at the left end of the guide rail on the beam I to enable the cross line on the camera lens to be vertically aligned with the characteristic point A, selecting the line width specification of the detection line to be 0.01mm, finely adjusting a fine adjustment support at the left end of the beam I to enable the cross line of the camera to be horizontally aligned with the characteristic point A, when the cross line of the camera is aligned with the characteristic point A, the fine adjustment support is locked, and a slide block of the camera and a slide block at the left end of the cross beam I are locked by a locking block; moving a camera positioned at the right end of the guide rail on the cross beam I to enable a cross line on a camera lens to be positioned near a characteristic point B, finely adjusting a fine adjustment support at the right end of the cross beam I to enable the cross line of the camera to be horizontally aligned with the characteristic point B, locking the fine adjustment support, finely adjusting the position of the camera to enable the cross line to be vertically aligned with the characteristic point B, and locking a sliding block of the camera and a sliding block at the right end of the cross beam I by using a locking block after the cross line of the camera is aligned with the characteristic point B;
after the cross lines of two cameras on the cross beam I are aligned with the characteristic point A, B, selecting a proper cross beam alignment characteristic point C, D, for example, moving the cross beam III to the approximate horizontal height of the characteristic point C, then moving the camera on the left end of the guide rail on the cross beam III to enable the cross lines on the camera lens to be vertically aligned with the characteristic point C, finely adjusting a fine adjustment support at the left end of the cross beam III to enable the cross lines of the camera to be horizontally aligned with the characteristic point C, locking the fine adjustment support after the cross lines of the camera are aligned with the characteristic point C, and locking a sliding block of the camera and a sliding block at the left end of the cross beam III by using a locking block; moving a camera positioned at the right end of the guide rail on the cross beam III to enable a cross line on a camera lens to be positioned near the characteristic point D, finely adjusting a fine adjustment support at the right end of the cross beam III to enable the cross line of the camera to be horizontally aligned with the characteristic point D, locking the fine adjustment support, finely adjusting the position of the camera to enable the cross line to be vertically aligned with the characteristic point D, and locking a sliding block of the camera and a sliding block at the right end of the cross beam III by using a locking block after the cross line of the camera is aligned with the characteristic point D;
taking down the printing plate after aligning 4 characteristic points on the first printing plate with the cross lines of 4 cameras on the plate-viewing tool, and taking the same 4 characteristic points on the printing plate made by the other optical drum: A. b, C, D, positioning and placing a second printing plate in the same positioning mode as the first printing plate, and observing whether the cross lines of the 4 cameras are deviated from the 4 characteristic points on the second printing plate or not through the display screen;
when one characteristic point is aligned with the cross line of the corresponding camera, if the two characteristic points at the same horizontal position or the same vertical position have deviation with the cross line of the corresponding camera, the deviation between the two printing plates can be calculated by the multiple of the detection line with the selected specification;
if one feature point on the printing plate has both horizontal deviation and vertical deviation and two feature points adjacent to the feature point have deviation in only one direction, distortion exists between the two printing plates.
Claims (5)
1. The utility model provides a visual printing plate chromatography measuring device of CCD which characterized in that: including frame (1) and display screen (2), the upper portion of frame (1) be equipped with a plurality of crossbeams that are interval form distribution and can vertically slide the displacement, the crossbeam on be equipped with a plurality of camera (3) that can transversely slide, the content display of catching of camera (3) in display screen (2).
2. The CCD visualization printing plate overprinting measuring device according to claim 1, wherein: the left end and the right end of the frame (1) are respectively provided with a longitudinal slide rail (4), the bottom parts of the two side ends of the cross beam are respectively provided with a fine tuning support (5) which can be finely tuned, and the fine tuning support (5) longitudinally slides along the longitudinal slide rail (4); the upper part of the beam is provided with a transverse guide rail (6) and the camera (3) moves transversely along the transverse guide rail (6).
3. The CCD visualization printing plate overprinting measuring device according to claim 1 or 2, wherein: the crossbeam include crossbeam I (7), crossbeam II (8) and crossbeam III (9), be equipped with two camera (3) on every crossbeam respectively.
4. The CCD visualization printing plate overprinting measuring device according to claim 1 or 2, wherein: the upper portion of frame (1) be equipped with marble platform (10), the inboard of frame (1) be equipped with fixed with location registration plate's locating pin (11).
5. The method of operating a CCD visualization plate overprint measurement device according to claim 1 or 2, characterized by the following steps:
firstly, 4 characteristic points are selected on a printing plate made by the drum A or the drum B: A. b, C, D, then placing the printing plate on a marble platform of the plate-viewing tool and aligning the holes punched on the printing plate with positioning pins at the upper end of the platform, then, an appropriate camera is selected to align the feature points and a line width specification of the inspection line is selected among 9 specifications of 0.3mm, 0.2mm, 0.15mm, 0.1mm, 0.08mm, 0.06mm, 0.04mm, 0.02mm, 0.01mm, for example, by moving the beam i to a substantially horizontal height of the feature point a by a vertical moving guide, then moving a camera positioned at the left end of the guide rail on the beam I to enable the cross line on the camera lens to be vertically aligned with the characteristic point A, selecting the line width specification of the detection line to be 0.01mm, finely adjusting a fine adjustment support at the left end of the beam I to enable the cross line of the camera to be horizontally aligned with the characteristic point A, when the cross line of the camera is aligned with the characteristic point A, the fine adjustment support is locked, and a slide block of the camera and a slide block at the left end of the cross beam I are locked by a locking block; moving a camera positioned at the right end of the guide rail on the cross beam I to enable a cross line on a camera lens to be positioned near a characteristic point B, finely adjusting a fine adjustment support at the right end of the cross beam I to enable the cross line of the camera to be horizontally aligned with the characteristic point B, locking the fine adjustment support, finely adjusting the position of the camera to enable the cross line to be vertically aligned with the characteristic point B, and locking a sliding block of the camera and a sliding block at the right end of the cross beam I by using a locking block after the cross line of the camera is aligned with the characteristic point B;
after the cross lines of two cameras on the cross beam I are aligned with the characteristic point A, B, selecting a proper cross beam alignment characteristic point C, D, for example, moving the cross beam III to the approximate horizontal height of the characteristic point C, then moving the camera on the left end of the guide rail on the cross beam III to enable the cross lines on the camera lens to be vertically aligned with the characteristic point C, finely adjusting a fine adjustment support at the left end of the cross beam III to enable the cross lines of the camera to be horizontally aligned with the characteristic point C, locking the fine adjustment support after the cross lines of the camera are aligned with the characteristic point C, and locking a sliding block of the camera and a sliding block at the left end of the cross beam III by using a locking block; moving a camera positioned at the right end of the guide rail on the cross beam III to enable a cross line on a camera lens to be positioned near the characteristic point D, finely adjusting a fine adjustment support at the right end of the cross beam III to enable the cross line of the camera to be horizontally aligned with the characteristic point D, locking the fine adjustment support, finely adjusting the position of the camera to enable the cross line to be vertically aligned with the characteristic point D, and locking a sliding block of the camera and a sliding block at the right end of the cross beam III by using a locking block after the cross line of the camera is aligned with the characteristic point D;
taking down the printing plate after aligning 4 characteristic points on the first printing plate with the cross lines of 4 cameras on the plate-viewing tool, and taking the same 4 characteristic points on the printing plate made by the other optical drum: A. b, C, D, positioning and placing a second printing plate in the same positioning mode as the first printing plate, and observing whether the cross lines of the 4 cameras are deviated from the 4 characteristic points on the second printing plate or not through the display screen;
when one characteristic point is aligned with the cross line of the corresponding camera, if the two characteristic points at the same horizontal position or the same vertical position have deviation with the cross line of the corresponding camera, the deviation between the two printing plates can be calculated by the multiple of the detection line with the selected specification;
if one feature point on the printing plate has both horizontal deviation and vertical deviation and two feature points adjacent to the feature point have deviation in only one direction, distortion exists between the two printing plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333433.5A CN114136977A (en) | 2021-11-11 | 2021-11-11 | CCD visual printing plate overprinting measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333433.5A CN114136977A (en) | 2021-11-11 | 2021-11-11 | CCD visual printing plate overprinting measuring device |
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| CN114136977A true CN114136977A (en) | 2022-03-04 |
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| CN202111333433.5A Pending CN114136977A (en) | 2021-11-11 | 2021-11-11 | CCD visual printing plate overprinting measuring device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5440650A (en) * | 1991-01-08 | 1995-08-08 | Nippondenso Co., Ltd. | Image processing system for inspection of overprinted matter |
| JP3100181U (en) * | 2003-09-01 | 2004-04-30 | 唐運有限公司 | Fully automatic on-line positioning punch device |
| CN201165014Y (en) * | 2007-07-05 | 2008-12-17 | 李忠华 | High-resolution visual PS plate cross localization punch |
| CN106770340A (en) * | 2016-12-13 | 2017-05-31 | 北京印刷学院 | A kind of press quality amount detecting device |
| CN110793976A (en) * | 2019-11-14 | 2020-02-14 | 苏州中科全象智能科技有限公司 | Printing quality detection system and method |
-
2021
- 2021-11-11 CN CN202111333433.5A patent/CN114136977A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5440650A (en) * | 1991-01-08 | 1995-08-08 | Nippondenso Co., Ltd. | Image processing system for inspection of overprinted matter |
| JP3100181U (en) * | 2003-09-01 | 2004-04-30 | 唐運有限公司 | Fully automatic on-line positioning punch device |
| CN201165014Y (en) * | 2007-07-05 | 2008-12-17 | 李忠华 | High-resolution visual PS plate cross localization punch |
| CN106770340A (en) * | 2016-12-13 | 2017-05-31 | 北京印刷学院 | A kind of press quality amount detecting device |
| CN110793976A (en) * | 2019-11-14 | 2020-02-14 | 苏州中科全象智能科技有限公司 | Printing quality detection system and method |
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