CN115684186A - Device for checking surface defects of printing gravure roller body - Google Patents
Device for checking surface defects of printing gravure roller body Download PDFInfo
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- CN115684186A CN115684186A CN202211317494.7A CN202211317494A CN115684186A CN 115684186 A CN115684186 A CN 115684186A CN 202211317494 A CN202211317494 A CN 202211317494A CN 115684186 A CN115684186 A CN 115684186A
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Abstract
The invention provides a device for detecting surface defects of a printing gravure roller body, which comprises: the support frame is provided with an opening at one side, and when the support frame is used, the gravure printing machine is placed in the opening, and the support frame and the gravure printing machine are fixed; the supporting plates are symmetrically fixed at the top of the supporting frame and are vertically arranged; the overturning assembly is rotatably connected to the upper ends of the two supporting plates through bearings; the CCD cameras are fixed on the turnover assembly at equal intervals; the follow-up driving device consists of a power source component fixedly connected with the end part of the printing roller of the gravure printing machine and an auxiliary transmission component which is arranged on the overturning component and is used for matching with the power source component to intermittently overturn the overturning component, and the follow-up driving device is used for intermittently overturning the overturning component by utilizing the power of the printing roller of the gravure printing machine; the method and the device can be used for carrying out surface defect inspection work on the printing roller of the gravure printing machine in real time, improve timeliness and accuracy of problem discovery, reduce product waste and improve production efficiency.
Description
Technical Field
The invention relates to the technical field of gravure press printing roller surface inspection equipment, in particular to a device for inspecting surface defects of a printing gravure roller cylinder body.
Background
The intaglio printing is through seting up the line groove that needs the printing on the printing cylinder, scribble printing ink on the printing cylinder through equal ink roller during printing, scrape unnecessary printing ink through the scraper, then compress tightly the paper on the printing cylinder through the compression roller, along with the rotation of printing cylinder and the transmission of paper, the printing ink that is in line inslot side is attached to the surface of paper, accomplish the printing work, and can be because there is debris in the printing in-process at the printing, the particle is coarse and hard, printing ink viscosity is too high, printing ink drying is too fast or too slow, the printing cylinder processing is bad, the scraper is uneven directly has the damage and the improper reason of scraper pressure causes the printing cylinder surface to produce the scratch phenomenon, and the printing cylinder surface produces the scratch and then causes very big influence to printing quality, therefore need carry out effectual inspection work at the printing in-process, and current inspection mode is mostly at the end of printing production line to the printed matter and inspects, when the printed matter appears scraping and causes the problem, this kind of mode can not be timely the inspection to be there is the problem on the surface of printing roller, and need to halt the inspection on the inspection line, the production efficiency, thereby the very big influence has been produced the waste, thereby the very big problem of printed matter, thereby the long problem of a section of having produced.
Therefore, it is necessary to provide a new device for inspecting the surface defects of the gravure roll body to solve the above problems.
Disclosure of Invention
In order to solve the technical problem, the invention provides a device for detecting the surface defects of a printing gravure cylinder body.
The invention provides a device for detecting surface defects of a printing gravure roller body, which comprises:
one side of the supporting frame is provided with an opening, and when the supporting frame is used, the gravure printing machine is placed in the opening, and the supporting frame and the gravure printing machine are fixed;
the supporting plates are symmetrically fixed at the top of the supporting frame and are vertically arranged;
the overturning assembly is rotatably connected to the upper ends of the two supporting plates through a bearing;
the CCD cameras are fixed on the overturning component at equal intervals;
the follow-up driving device consists of a power source component fixedly connected with the end part of the printing roller of the gravure printing machine and an auxiliary transmission component which is arranged on the overturning component and is used for matching with the power source component to ensure that the overturning component is intermittently overturned, and the follow-up driving device is used for driving the overturning component to intermittently overturn by utilizing the power of the printing roller of the gravure printing machine, and finally enabling the CCD camera and the printing roller of the gravure printing machine to synchronously rotate so as to enable the CCD camera and the printing roller of the gravure printing machine to carry out relatively static shooting inspection work;
the transparent ink blocking plate is arranged on one side of the camera ends of the CCD cameras, is in contact with the outer walls of the CCD cameras and is in sliding connection with the overturning assembly;
the connecting frames are arranged on the outer sides of the CCD cameras in pairs, the transparent ink blocking plates are positioned on the inner sides of the connecting frames, and the inner walls of the connecting frames are fixed with the outer walls of the turnover assemblies;
a cleaning cotton sliver fixed on the inner wall of the connecting frame and in pressing contact with the surface of the transparent ink resistance plate;
the reciprocating driving device is rotatably installed on the surface of the overturning assembly, one end of the reciprocating driving device is fixed with the supporting frame, the output end of the reciprocating driving device is connected with the transparent ink resistance plate, and the transparent ink resistance plate can be driven to reciprocate in the overturning process of the overturning assembly to perform cleaning work.
Preferably, the flipping assembly comprises:
the rotating shaft is rotatably connected to the upper ends of the two supporting plates through bearings;
the turnover plate is fixed at the end part of the rotating shaft;
the cross bar is fixed between the two turnover plates, the CCD camera is fixed on the surface of the cross bar, the inner wall of one side of the connecting frame is fixed with the outer wall of the cross bar, and the transparent ink resistance plate is connected with the cross bar in a sliding manner;
the torsion spring is sleeved on the outer side of the rotating shaft, one end of the torsion spring is fixed with the outer wall of the rotating shaft, and the other end of the torsion spring is fixed with the outer wall of the supporting plate;
and the limit stop block is fixed at the top of the supporting plate and matched with the turnover plate.
Preferably, a rubber pad is fixed on a part of the surface of the turnover plate, which is close to the limit stop, and the rubber pad is in contact with the surface of the limit stop in a pressing manner.
Preferably, the clamping strips are symmetrically and equidistantly fixed on the outer side of the transverse strip, and the transparent ink blocking plate is in sliding connection with the inner wall of one end, far away from the transverse strip, of the clamping strip.
Preferably, the power source assembly includes:
the driving disc is superposed with the axis of the rotating shaft and is fixed at the end part of the printing roller of the gravure printing machine when in use;
the driving column is fixed on one side, close to the rotating shaft, of the surface of the driving disc at equal intervals, and the end of the driving column is arranged in a hemispherical shape.
Preferably, the auxiliary transmission assembly comprises:
the driven column is inserted on the turnover plate in a sliding mode through the sliding hole, two ends of the driven column are arranged in a hemispherical mode, and one end of the driven column is in contact with the end portion of one driving column on the driving disc;
the second springs are symmetrically fixed on the outer wall of the driven column, and one ends of the second springs, far away from the driven column, are fixed with the outer wall of the turnover plate;
the limiting plate is fixed at the upper end of the outer surface of the supporting plate, and one end of the driven column is in contact with the outer wall of the limiting plate;
the unlocking avoiding groove is formed in the outer wall of one side, close to the driven column, of the limiting plate and is located on a path where the driven column overturns around the rotating shaft, and the unlocking avoiding groove is arranged in an inclined mode in the direction from the direction far away from the driven column to the direction close to the driven column.
Preferably, the reciprocating drive means comprises:
the driving roller is rotatably connected to one side, close to the CCD camera, of the outer wall of the transverse bar through a bearing;
the spiral grooves are symmetrically formed in the outer wall of the driving roller, and the two spiral grooves are communicated end to end;
the output shaft is fixedly connected to the transparent ink blocking plate, and the axis of the output shaft is vertical to the axis of the driving roller;
the follow-up block is rotatably connected to the end part of the output shaft through a bearing and is in sliding insertion connection with the inner wall of the spiral groove;
the transmission rod is fixed at the end part of the driving roller, and one end of the transmission rod, which is far away from the driving roller, is rotatably connected with the turnover plate positioned on the same side of the transmission rod through a bearing and penetrates through the turnover plate to extend to the other side of the turnover plate;
the planetary gear is rotatably connected to one end, far away from the driving roller, of the transmission rod through a one-way bearing;
the fixed plate is fixed on one side, close to the planetary gear, of the top surface of the supporting frame;
the arc-shaped inner gear ring is fixed at the top of the fixing plate, the arc center of the arc-shaped inner gear ring coincides with the axis of the rotating shaft, and the planetary gear is in meshed connection with the arc-shaped inner gear ring.
Preferably, the bottom of the supporting frame is equidistantly fixed with self-locking universal wheels.
Preferably, the inner wall of the opening in the supporting frame is symmetrically fixed with a limiting plate, and the limiting plate is provided with a threaded hole.
Preferably, one side of the limiting plate, which is far away from the inner wall of the opening, is arranged in an inclined manner.
Compared with the related art, the device for detecting the surface defects of the printing gravure roller body has the following beneficial effects:
1. the invention can carry out real-time inspection work on the surface of the printing roller of the gravure printing machine, and can inspect the scratch on the surface of the printing roller of the gravure printing machine in the first time, thereby leading the printing production line to stop production immediately at the initial stage of the problem of the printing roller, leading the printing product with the problem not to be produced continuously, improving the timeliness and the accuracy of problem discovery through real-time inspection, reducing the waste of the product, improving the production efficiency to a certain extent when the problem is discovered in time, and not consuming a large amount of time when the problem is searched;
2. according to the invention, the follow-up driving device is arranged to enable the CCD camera to rotate a distance along with the printing roller of the gravure printing machine, and the CCD camera and the outer surface of the printing roller of the gravure printing machine are in a relatively static state in the distance, so that the CCD camera can conveniently shoot surface photos of the cleaned printing roller, the CCD camera and the outer surface of the printing roller of the gravure printing machine are relatively static, the quality of shot pictures can be effectively improved, the quality of inspection is improved, and due to the arrangement of the follow-up driving device, the CCD camera can not adopt a high-end camera for capturing a dynamically moving object, so that the production and use cost of the whole inspection device is reduced, meanwhile, the overturning action of the CCD camera can be mechanically linked with the rotation of the printing roller of the gravure printing machine, the stability and the synchronism of the overturning action of the CCD camera are effectively guaranteed, and the CCD camera can be accurately overturned;
3. according to the invention, the transparent ink resistance plate, the connecting frame, the cleaning cotton sliver and the reciprocating driving device are arranged, so that the CCD camera can be protected in the real-time inspection process, the condition that the inspection work is influenced by ink flying generated in the production process of the gravure printing machine when the CCD camera is covered by the ink flying is avoided, the front of the CCD camera is always in a clean and transparent state, the reciprocating driving of the transparent ink resistance plate is driven to wipe, and the rotation of the overturning component is followed, so that the transparent ink resistance plate can be always in a clean working state, and the timeliness of the cleaning work is further ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of the flip assembly of the present invention;
FIG. 3 is a schematic view of the position structure of the CCD camera according to the present invention;
FIG. 4 is a schematic view of an auxiliary transmission assembly according to the present invention;
FIG. 5 is a second schematic view of the auxiliary transmission assembly of the present invention;
FIG. 6 is a third schematic view of the auxiliary transmission assembly of the present invention;
FIG. 7 is a schematic view of the mounting position of the drive plate of the present invention;
fig. 8 is a schematic view of the installation of the present invention.
Reference numbers in the figures: 1. a support frame; 1a, a self-locking universal wheel; 1b, a limiting plate; 1b1, a threaded hole; 100. an intaglio printing press; 200. a printing roller; 2. a support plate; 3. a turnover assembly; 31. a first rotating shaft; 32. a turnover plate; 32a, a rubber pad; 33. a horizontal bar; 33a, a clamping strip; 34. a torsion spring; 35. a limit stop block; 4. a CCD camera; 5. a follow-up driving device; 51. a power source assembly; 511. a drive disc; 512. a drive column; 52. an auxiliary transmission assembly; 521. a driven column; 522. a second spring; 523. a limiting plate; 524. unlocking the avoidance groove; 6. a transparent ink blocking plate; 7. a connecting frame; 8. cleaning the cotton sliver; 9. a reciprocating drive device; 91. a drive roller; 92. a helical groove; 93. an output shaft; 94. a follower block; 95. a transmission rod; 96. a planetary gear; 97. a fixing plate; 98. an arc-shaped annular gear.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1 to 8, a device for inspecting surface defects of a printing gravure cylinder according to an embodiment of the present invention includes a support frame 1, a support plate 2, a flip assembly 3, a CCD camera 4, a follower driving device 5, a transparent ink blocking plate 6, a connection frame 7, a cleaning sliver 8, and a reciprocating driving device 9, wherein an opening is disposed on one side of the support frame 1, when in use, the gravure printing machine 100 is placed in the opening, the support frame 1 and the gravure printing machine 100 are fixed, self-locking universal wheels 1a are equidistantly fixed on the bottom of the support frame 1, the self-locking universal wheels 1a are disposed to facilitate moving the whole inspection device, a limiting plate 1b is symmetrically fixed on an inner wall of the opening on the support frame 1, a threaded hole 1b1 is disposed on the limiting plate 1b, and one side of the limiting plate 1b away from the inner wall of the opening is disposed in an inclined manner,
before the whole device is installed on the gravure printing machine 100, a corresponding overturning component 3 on the shell of the gravure printing machine 100 needs to be provided with an avoiding groove to ensure that the cross bar 33 installed in place can smoothly rotate, when the device is installed, the opening of the supporting frame 1 is aligned with the gravure printing machine 100, then the gravure printing machine 100 is sleeved between two limiting plates 1b until a rotating shaft 31 on the inspection device and a printing roller 200 of the gravure printing machine 100 are positioned on the same axial line, then a bolt is screwed in a threaded hole 1b1 to enable one end of the bolt to be tightly pressed on the outer wall of the gravure printing machine 100, so that the installation and connection work of the inspection device and the gravure printing machine 100 is completed, then four self-locking universal wheels 1a are locked, and then a driving plate 511 is fixed on the end part of the printing roller 200 of the gravure printing machine 100 through the bolt,
backup pad 2 symmetry is fixed at the top of carriage 1, be vertical setting, upset subassembly 3 rotates the upper end of connecting at two backup pads 2 through the bearing, CCD camera 4 equidistance is fixed on upset subassembly 3, follow-up drive arrangement 5 comprises power source subassembly 51 fixed with 100 printing roller 200 end connection of gravure press and the auxiliary transmission subassembly 52 that sets up on upset subassembly 3 and be used for making upset subassembly 3 intermittent type upset with power source subassembly 51 cooperation, follow-up drive arrangement 5 is used for utilizing the power drive of 100 printing roller 200 of gravure press to overturn subassembly 3 intermittent type nature, finally make CCD camera 4 and 100 printing roller 200 synchronous rotation of gravure press, make the two carry out the shooting inspection work of relative static state, transparent hinder black board 6 sets up camera end one side at a plurality of CCD cameras 4, transparent hinder black board 6 and CCD camera 4's outer wall contact and with upset subassembly 3 sliding connection, connecting frame 7 sets up the outside at CCD camera 4 in pairs, and transparent hinder black board 6 is located the inboard of connecting frame 7, the inner wall of connecting frame 7 and the fixed outer wall of upset subassembly 3, clean connecting frame 7 and the reciprocal drive black board 6 of contact and transparent frame 3, and the reciprocal drive black board 6 and the reciprocal drive of upset subassembly 3, the output of reciprocal drive black board can carry out on the reciprocal frame 6 and the reciprocal drive of upset subassembly 3, and the reciprocal drive of the output of the transparent board.
It should be noted that, the present application can perform the inspection work of the surface defect on the printing roller 200 of the gravure printing machine 100 in real time, thereby improving the inspection effect and the inspection timeliness, avoiding the situation that the printing roller 200 still performs the printing work after being scratched, reducing the occurrence amount of defective products, and saving the product materials.
The turnover assembly 3 comprises a rotating shaft 31, turnover plates 32, transverse strips 33, a torsion spring 34 and limit stops 35, the rotating shaft 31 is rotatably connected to the upper ends of the two support plates 2 through bearings, the turnover plates 32 are fixed at the end parts of the rotating shaft 31, the transverse strips 33 are fixed between the two turnover plates 32, the CCD camera 4 is fixed on the surfaces of the transverse strips 33, the inner wall of one side of the connecting frame 7 is fixed with the outer wall of the transverse strips 33, the clamping strips 33a are symmetrically and equidistantly fixed on the outer side of the transverse strips 33, the transparent ink blocking plate 6 is in sliding connection with the inner wall of one end, far away from the transverse strips 33, of the clamping strips 33a, the torsion spring 34 is sleeved on the outer side of the rotating shaft 31, one end of the torsion spring 34 is fixed with the outer wall of the rotating shaft 31, the other end of the torsion spring is fixed with the outer wall of the support plates 2, the limit stops 35 are fixed on the top parts of the support plates 2 and matched with the turnover plates 32, the rubber pads 32a part, close to the surfaces of the surface of the turnover plates 32a is in pressing contact with the surfaces of the limit stops 35, the turnover assembly 3 enables the CCD camera 4 to rotate around the rotating shaft 31, and the limit stops 35 are always kept in a tight state under the action of the limit stops 35 when the turnover plates,
the power source assembly 51 comprises a driving disc 511 and a driving column 512, the driving disc 511 is coincident with the axis of the rotating shaft 31 and is fixed at the end of the printing roller 200 of the gravure printing machine 100 in use, the driving column 512 is equidistantly fixed at one side of the surface of the driving disc 511 close to the rotating shaft 31, the end of the driving column 512 is arranged in a hemispherical shape, the auxiliary transmission assembly 52 comprises a driven column 521, a second spring 522, a limiting plate 523 and an unlocking avoiding groove 524, the driven column 521 is inserted on the turnover plate 32 in a sliding manner through a sliding hole, two ends of the driven column 521 are arranged in a hemispherical shape, one end of the driven column 521 is in contact with the end of one driving column 512 on the driving disc 511, the second spring 522 is symmetrically fixed on the outer wall of the driven column 521, one end of the second spring 522, far from the driven column 521, is fixed with the outer wall of the turnover plate 32, the limiting plate 523 is fixed at the upper end of the outer surface of the supporting plate 2, one end of the driven column 521 is in contact with the outer wall of the limiting plate 523, the unlocking avoiding groove 524 is arranged in an inclined shape from the side of the limiting plate 523, close to the side of the driven column 521.
When the whole inspection device is installed in place for use, the printing roller 200 of the gravure printing machine 100 rotates to drive the driving disc 511 to rotate, when one driving column 512 on the driving disc 511 contacts with the driven column 521, along with the continuous rotation of the driving disc 511, the driving column 512 pushes the driven column 521 to turn around the rotating shaft 31, so as to drive the turning plate 32 to turn, at the moment, the CCD camera 4 and the printing roller 200 synchronously rotate and are relatively static, so that the CCD camera 4 can stably carry out shooting work, one sixth range of the outer surface of the whole printing roller 200 can be inspected in one-time inspection work of a plurality of CCD cameras 4, the rotating shaft 31 continuously rotates after the shooting is finished, the driven column 521 slides to the unlocking avoiding groove 524 on the surface of the limiting plate 523, the driven column 521 is pushed by the driving column 512 to slide to the inner side of the unlocking avoiding groove 524, simultaneously pulling the second spring 522, wherein the driven post 521 is avoided from the driving post 512, the driving post 512 slides over the surface of the driven post 521, then the driven post 521 rapidly slides and resets under the action of the resilience force of the second spring 522 and the torsion spring 34, the whole turnover plate 32 rapidly turns and resets, then the upper and lower driving posts 512 of the driving plate 511 contact with the driven post 521 again, and the subsequent inspection work is continued, and it needs to be emphasized that in the gap between the adjacent two driving posts 512 and the driven post 521, the printing roller 200 rotates for 60 degrees, so the inspection work is repeatedly and continuously performed on the surface of the printing roller 200, the CCD camera 4 transmits the shot picture to the controller, the picture is analyzed by the controller, and whether the surface of the printing roller 200 is scratched or not is distinguished,
the arrangement of the follow-up driving device 5 ensures that the CCD camera 4 can be in a relatively static state with the printing roller 200 when shooting and checking, so that the checking work of the printing roller 200 can be completed without a camera with higher specification capable of shooting a dynamically moving object, the production and use cost of the whole checking device is reduced, the overturning work of the CCD camera 4 and the rotation of the printing roller 200 are mechanically linked, the stability and timeliness of the rotation of the CCD camera 4 are ensured,
the reciprocating driving device 9 comprises a driving roller 91, a spiral groove 92, an output shaft 93, a follow-up block 94, a transmission rod 95, a planetary gear 96, a fixing plate 97 and an arc-shaped inner gear ring 98, the driving roller 91 is rotatably connected to one side, close to the CCD camera 4, of the outer wall of the cross bar 33 through a bearing, the spiral grooves 92 are symmetrically formed in the outer wall of the driving roller 91 and are communicated end to end, the output shaft 93 is fixedly connected to the transparent ink-blocking plate 6, the axis of the output shaft 93 is perpendicular to the axis of the driving roller 91, the follow-up block 94 is rotatably connected to the end portion of the output shaft 93 through a bearing, the follow-up block 94 is in sliding insertion with the inner wall of the spiral groove 92, the transmission rod 95 is fixed to the end portion of the driving roller 91, one end, far away from the driving roller 91, of the transmission rod 95 is rotatably connected with the turnover plate 32 on the same side through the turnover plate 32 and extends to the other side of the turnover plate 32 through a one-way bearing, the planetary gear 96 is rotatably connected to one end, the transmission rod 95, the fixing plate 97 is fixed to one side, close to the inner gear ring 96 on the top of the supporting frame 1, the arc-shaped inner gear ring 98 is fixed to the top of the fixing plate 97, the arc-shaped inner gear ring 98 is meshed with the fixing plate 97,
due to the limitation of the gravure printing machine 100, ink scattering may occur in the daily use process, but ink scattering on the CCD camera 4 affects the shot picture, and the transparent ink blocking plate 6 can prevent ink scattering to the camera end of the CCD camera 4, and in the process of turning the turning component 3, when the turning plate 32 turns downward, under the action of the one-way bearing, the planetary gear 96 is rotated by the arc-shaped inner ring gear 98, but the driving rod 95 cannot be driven to rotate, and when the turning plate 32 is turned upward, under the action of the one-way bearing, the planetary gear 96 is rotated by the arc-shaped inner ring gear 98, the driving rod 95 can be driven to rotate, the driving roller 91 is driven to rotate, the follower block 94 slides along the inner wall of the spiral groove 92 under the action of the spiral groove 92, so as to drive the output shaft 93 to move along the length direction of the horizontal bar 33, thereby driving the transparent ink blocking plate 6 to move, and in the process of moving the sliver 6, the flying ink blocking plate 8 can be cleaned, thereby achieving the effect of cleaning the transparent ink blocking plate 6 and the transparent ink blocking plate 6 can be constantly cleaned, and the camera can always slide along the front of the spiral groove 32.
The circuits and controls involved in the present invention are all the prior art, and are not described herein in detail.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An apparatus for inspecting surface defects of a printing gravure cylinder body, comprising:
the support frame (1) is provided with an opening at one side, and when the support frame is used, the gravure printing machine (100) is placed in the opening, and the support frame (1) and the gravure printing machine (100) are fixed;
the supporting plates (2) are symmetrically fixed on the top of the supporting frame (1) and are vertically arranged;
the overturning assembly (3) is rotatably connected to the upper ends of the two supporting plates (2) through bearings;
the CCD cameras (4) are fixed on the overturning assembly (3) at equal intervals;
the follow-up driving device (5) consists of a power source component (51) fixedly connected with the end part of the printing roller (200) of the gravure printing machine (100) and an auxiliary transmission component (52) which is arranged on the overturning component (3) and is used for matching with the power source component (51) to ensure that the overturning component (3) overturns intermittently, and the follow-up driving device (5) is used for driving the overturning component (3) to overturn intermittently by utilizing the power of the printing roller (200) of the gravure printing machine (100) and finally enabling the CCD camera (4) and the printing roller (200) of the gravure printing machine (100) to rotate synchronously so as to ensure that the CCD camera and the printing roller (200) of the gravure printing machine (100) perform relatively static shooting inspection work;
the transparent ink blocking plate (6) is arranged on one side of the camera ends of the CCD cameras (4), and the transparent ink blocking plate (6) is in contact with the outer walls of the CCD cameras (4) and is in sliding connection with the turnover assembly (3);
the connecting frames (7) are arranged on the outer sides of the CCD cameras (4) in pairs, the transparent ink blocking plates (6) are positioned on the inner sides of the connecting frames (7), and the inner walls of the connecting frames (7) are fixed with the outer walls of the turnover assemblies (3);
the cleaning cotton strip (8) is fixed on the inner wall of the connecting frame (7) and is in pressing contact with the surface of the transparent ink resistance plate (6);
reciprocating drive device (9), it installs to rotate the upset subassembly (3) on the surface, and one end still is fixed with carriage (1), reciprocating drive device's (9) output and transparent hinder black board (6) and be connected, can drive transparent hindering black board (6) reciprocating motion and carry out cleaning work in upset subassembly (3) upset in-process.
2. The apparatus for inspecting surface defects of printing gravure cylinders according to claim 1, wherein said overturning assembly (3) comprises:
the rotating shaft (31) is rotatably connected to the upper ends of the two supporting plates (2) through a bearing;
a turnover plate (32) fixed at the end of the rotating shaft (31);
the transverse bar (33) is fixed between the two turnover plates (32), the CCD camera (4) is fixed to the surface of the transverse bar (33), the inner wall of one side of the connecting frame (7) is fixed to the outer wall of the transverse bar (33), and the transparent ink blocking plate (6) is connected with the transverse bar (33) in a sliding mode;
the torsion spring (34) is sleeved on the outer side of the rotating shaft (31), one end of the torsion spring (34) is fixed with the outer wall of the rotating shaft (31), and the other end of the torsion spring is fixed with the outer wall of the supporting plate (2);
and the limit stop (35) is fixed at the top of the support plate (2) and is matched with the turnover plate (32).
3. The device for inspecting the surface defects of a printing gravure roll cylinder according to claim 2, wherein a rubber pad (32 a) is fixed to a portion of the surface of the reversing plate (32) adjacent to the limit stopper (35), and the rubber pad (32 a) is in press contact with the surface of the limit stopper (35).
4. The device for inspecting surface defects of printing gravure cylinders according to claim 3, wherein the outside of the cross bar (33) is fixed with the card strips (33 a) symmetrically and equidistantly, and the transparent ink blocking plate (6) is connected with the inner wall of the card strip (33 a) at the end far away from the cross bar (33) in a sliding manner.
5. The device for inspecting printing gravure roll cylinder surface defects according to claim 2, wherein said power source assembly (51) comprises:
a driving disc (511) which is overlapped with the axis of the rotating shaft (31) and is fixed at the end part of the printing roller (200) of the gravure printing machine (100) when in use;
and the driving columns (512) are fixed on one side of the surface of the driving disc (511) close to the rotating shaft (31) at equal intervals, and the ends of the driving columns (512) are arranged in a hemispherical shape.
6. The device for inspecting printing gravure roller cylinder surface defects according to claim 5, wherein the auxiliary transmission assembly (52) comprises:
the driven column (521) is inserted on the turnover plate (32) in a sliding mode through a sliding hole, two ends of the driven column (521) are arranged in a hemispherical shape, and one end of the driven column (521) is in contact with the end of one driving column (512) on the driving disc (511);
the second spring (522) is symmetrically fixed on the outer wall of the driven column (521), and one end, far away from the driven column (521), of the second spring (522) is fixed with the outer wall of the turnover plate (32);
a limiting plate (523) fixed to the upper end of the outer surface of the support plate (2), and one end of the driven column (521) is in contact with the outer wall of the limiting plate (523);
and the unlocking avoiding groove (524) is formed in the outer wall of one side, close to the driven column (521), of the limiting plate (523) and is positioned on a path where the driven column (521) overturns around the rotating shaft (31), and the unlocking avoiding groove (524) is obliquely arranged in the direction from being far away from the driven column (521) to being close to the driven column (521).
7. Device for inspecting the surface defects of a printing gravure roll cylinder according to claim 2, characterised in that said reciprocating drive means (9) comprise:
the driving roller (91) is rotatably connected to one side, close to the CCD camera (4), of the outer wall of the transverse strip (33) through a bearing;
the spiral grooves (92) are symmetrically formed in the outer wall of the driving roller (91), and the two spiral grooves (92) are communicated end to end;
the output shaft (93) is fixedly connected to the transparent ink resistance plate (6), and the axis of the output shaft (93) is vertical to the axis of the driving roller (91);
the follow-up block (94) is rotatably connected to the end part of the output shaft (93) through a bearing, and the follow-up block (94) is in sliding insertion connection with the inner wall of the spiral groove (92);
the transmission rod (95) is fixed at the end part of the driving roller (91), and one end, far away from the driving roller (91), of the transmission rod (95) is rotatably connected with the turnover plate (32) on the same side of the transmission rod through a bearing and extends to the other side of the turnover plate (32) through the turnover plate (32);
the planetary gear (96) is rotatably connected to one end, far away from the driving roller (91), of the transmission rod (95) through a one-way bearing;
the fixing plate (97) is fixed on one side, close to the planetary gear (96), of the top surface of the supporting frame (1);
and the arc-shaped inner gear ring (98) is fixed at the top of the fixing plate (97), the arc center of the arc-shaped inner gear ring (98) is coincided with the axis of the rotating shaft (31), and the planetary gear (96) is in meshed connection with the arc-shaped inner gear ring (98).
8. The apparatus for inspecting surface defects of printing gravure cylinders according to claim 1, wherein self-locking universal wheels (1 a) are fixed to the bottom of the support frame (1) at equal intervals.
9. The device for inspecting surface defects of a printing gravure cylinder body according to claim 1, wherein the inner wall of the opening of the support frame (1) is symmetrically fixed with a limiting plate (1 b), and the limiting plate (1 b) is provided with a threaded hole (1 b 1).
10. The apparatus for inspecting surface defects of printing gravure cylinder bodies according to claim 9, wherein the side of the limit plate (1 b) away from the inner wall of the opening is inclined.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211317494.7A CN115684186B (en) | 2022-10-26 | 2022-10-26 | Device for checking surface defects of printing roller body of intaglio printing press |
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| CN202211317494.7A CN115684186B (en) | 2022-10-26 | 2022-10-26 | Device for checking surface defects of printing roller body of intaglio printing press |
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| CN115684186B CN115684186B (en) | 2023-08-25 |
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| EP0323537A1 (en) * | 1988-01-07 | 1989-07-12 | Komori Corporation | Defective print detecting device |
| US20070079717A1 (en) * | 2004-05-03 | 2007-04-12 | Heidelberger Druckmaschinen Ag | Inline measurement and closed loop control method in printing machines |
| CN101750420A (en) * | 2008-11-27 | 2010-06-23 | 北京凌云光视数字图像技术有限公司 | Printing material quality online visual inspection system |
| CN101813639A (en) * | 2010-04-23 | 2010-08-25 | 浙江中烟工业有限责任公司 | Device for checking surface defects of printing gravure roller bodies |
| CN209756451U (en) * | 2018-11-19 | 2019-12-10 | 江苏学泰印务有限公司 | High-precision gravure printing online quality detection device |
| CN112432949A (en) * | 2020-11-04 | 2021-03-02 | 东莞东运机械制造有限公司 | Method for detecting surface defects of gravure roller by using 3D photographing technology |
-
2022
- 2022-10-26 CN CN202211317494.7A patent/CN115684186B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0323537A1 (en) * | 1988-01-07 | 1989-07-12 | Komori Corporation | Defective print detecting device |
| US20070079717A1 (en) * | 2004-05-03 | 2007-04-12 | Heidelberger Druckmaschinen Ag | Inline measurement and closed loop control method in printing machines |
| CN101750420A (en) * | 2008-11-27 | 2010-06-23 | 北京凌云光视数字图像技术有限公司 | Printing material quality online visual inspection system |
| CN101813639A (en) * | 2010-04-23 | 2010-08-25 | 浙江中烟工业有限责任公司 | Device for checking surface defects of printing gravure roller bodies |
| CN209756451U (en) * | 2018-11-19 | 2019-12-10 | 江苏学泰印务有限公司 | High-precision gravure printing online quality detection device |
| CN112432949A (en) * | 2020-11-04 | 2021-03-02 | 东莞东运机械制造有限公司 | Method for detecting surface defects of gravure roller by using 3D photographing technology |
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