CN112537135A - Improved gravure press registration method - Google Patents

Improved gravure press registration method Download PDF

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Publication number
CN112537135A
CN112537135A CN202011536432.6A CN202011536432A CN112537135A CN 112537135 A CN112537135 A CN 112537135A CN 202011536432 A CN202011536432 A CN 202011536432A CN 112537135 A CN112537135 A CN 112537135A
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China
Prior art keywords
cursor
printing
probe
gravure
photoelectric probe
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CN202011536432.6A
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Chinese (zh)
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CN112537135B (en
Inventor
李海山
韩军
梁栋
苏元聪
唐海艳
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Shaanxi Golden Leaf Science And Education Group Ltd By Share Ltd
Shaanxi Yanyin Packaging Technology Co Ltd
Shenzhen Ruifeng New Material Technology Group Co Ltd
Shaanxi Jinye Printing Co ltd
Original Assignee
Shaanxi Golden Leaf Science And Education Group Ltd By Share Ltd
Shaanxi Yanyin Packaging Technology Co Ltd
Shenzhen Ruifeng New Material Technology Group Co Ltd
Shaanxi Jinye Printing Co ltd
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Application filed by Shaanxi Golden Leaf Science And Education Group Ltd By Share Ltd, Shaanxi Yanyin Packaging Technology Co Ltd, Shenzhen Ruifeng New Material Technology Group Co Ltd, Shaanxi Jinye Printing Co ltd filed Critical Shaanxi Golden Leaf Science And Education Group Ltd By Share Ltd
Priority to CN202011536432.6A priority Critical patent/CN112537135B/en
Publication of CN112537135A publication Critical patent/CN112537135A/en
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Publication of CN112537135B publication Critical patent/CN112537135B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F33/00Indicating, counting, warning, control or safety devices
    • B41F33/0036Devices for scanning or checking the printed matter for quality control

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  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Abstract

The invention belongs to the technical field of gravure presses, and particularly relates to an improved gravure press registration method, which comprises the following steps: s1: cursor printing, wherein paper unfolded by an uncoiler enters a printing group, and a cursor is printed by cursor printing blocks on two sides; s2: tracking a cursor through a computer registration system to perform contrast calibration, and detecting a signal reaction effect; s3: fine adjustment of the photoelectric probe, fine adjustment of the position of the photoelectric probe, calibration through a computer registration system, and fixation of the photoelectric probe until the calibration is completed; s4: cleaning a cursor probe, checking whether an electric eye luminous bulb of the photoelectric probe is burnt out or not and whether dust falls on a mirror surface of the photoelectric probe or not, replacing the electric eye luminous bulb and cleaning the dust, and carefully observing overprint waveforms of a computer until cross identification in a printing hue is stable; s5: and after the checking and cleaning are finished, testing the printing effect until a finished product with accurate and clear printed pattern color is obtained.

Description

Improved gravure press registration method
Technical Field
The invention belongs to the technical field of gravure presses, and particularly relates to an improved gravure press registration method.
Background
The gravure press mainly comprises an uncoiler, a guide group, a printing group, a slitting group and a control group. The uncoiler mainly completes the uncoiling of the roll paper under certain speed and tension conditions, keeps a corresponding stable state and simultaneously completes the automatic or manual splicing of the roll paper. The main function of the guide group is to ensure that the paper web does not shift laterally during the printing process and at the same time ensure that the tension of the paper is stable. The printing group is a main component of the gravure press, and completes the main processes of printing, including ink supply, printing, drying and the like. And the cutting group cuts the printed whole printed semi-finished product into formed small products. The control group mainly sets the running parameters and working conditions of the gravure press, including speed, tension, temperature, and working conditions of the pressure roller, doctor blade, ink pump, etc.
Before printing by a gravure press, a paper jet printing cursor needs to be positioned, and the phenomenon of inaccurate overprinting can be caused by an unconventional positioning; the interference of the front cursor of the special paper is large, which affects the photoelectric probe to sense the cursor, and the external mirror surface of the photoelectric probe is easily covered by the paper powder, so that the signal is weakened or even has no signal, the computer registration system is slow and ineffective to track, the overprint deviation cannot be corrected in time, the overprint phenomenon of the printed product is inaccurate, the overprint effect is poor, and the great waste is caused.
Disclosure of Invention
To overcome the disadvantages of the prior art and to solve the problems described in the background, the present invention provides an improved gravure press registration method.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an improved gravure press registration method, which comprises the following steps:
s1: cursor printing, namely, feeding paper unfolded by an uncoiler into a printing group, printing a cursor by cursor printing blocks on two sides, checking the cursor printing effect, judging whether missing ink is few and whether the color concentration is consistent, and if missing ink is few, checking whether a positioning pin is damaged and the ink amount in an ink box of the cursor;
s2: photoelectric calibration, printing uniform and complete cursor paper, scratching the paper above a photoelectric probe, tracking the cursor through a computer registration system to perform contrast calibration, and detecting the signal reaction effect;
s3: fine adjustment of the photoelectric probe, after tracking a cursor by a computer registration system and comparing and calibrating, loosening a clamp of the photoelectric probe, fine adjusting the position of the photoelectric probe, and simultaneously calibrating by the computer registration system until the calibration is finished, and clamping the clamp of the photoelectric probe to fix the photoelectric probe;
s4: cleaning a cursor probe, if the effect of detecting signal reaction is weak or even no signal exists, firstly checking whether an electric eye luminous bulb of a photoelectric probe is burnt out, if the electric eye luminous bulb is burnt out, timely replacing the electric eye luminous bulb, then checking whether dust falls on a mirror surface of the photoelectric probe, connecting an external air source, blowing off the dust on the mirror surface of the photoelectric probe, and meanwhile carefully observing overprinting waveforms of a computer until cross identification in a printing hue is stable;
s5: and after the checking and cleaning are finished, testing the printing effect, and if the printed pattern is also misplaced, checking and adjusting again until the printed pattern is a finished product with accurate and clear color.
Preferably, the printing group comprises a supporting seat, a calibration component and a gravure component; one end of the supporting seat is provided with a calibration component, and the other end of one end of the supporting seat is provided with a gravure component;
the calibration assembly comprises a rotating shaft, a driving roller, a driven roller, a positioning ring, a cursor printing block and a cursor probe; the utility model discloses a cursor probe, including supporting arm, supporting roller, cursor probe, drive roller and driven roller, the supporting arm mid-portion of the one end of supporting seat rotates the installation pivot, the middle part rigid coupling drive roller of pivot, the both ends rigid coupling holding ring of pivot, the outer lane installation cursor print piece of holding ring, the supporting arm top of the one end of supporting seat rotates the installation driven voller, the cursor probe is all installed to the middle part both sides of supporting seat, slidable mounting specialty paper between drive roller and the driven voller, the cursor is printed at the bottom surface of specialty paper to the cursor print piece, the.
Preferably, the support arm middle part rigid coupling sleeve of the one end of supporting seat, the notch is seted up at telescopic top, the spout is seted up to the outer lane of holding ring, the inside slidable mounting cursor print piece of spout, the top and the notch sliding fit of cursor print piece, a plurality of slide bars of the equal rigid coupling in inside both sides of spout, the slide bar slides and runs through the both sides boss of cursor print piece, a plurality of springs of inside both sides bottom surface rigid coupling of spout, the top of spring and the bottom surface rigid coupling of cursor print piece, the inner circle cover of spring is at the outer lane of slide bar.
Preferably, the inner ring of the sleeve is provided with an annular groove, the bottom surface of the annular groove is provided with a pigment groove, and a sponge is arranged in the pigment groove.
Preferably, the bottom surface of the middle part of the supporting seat is fixedly connected with an installation platform, supporting grooves are formed in the two sides of the installation platform, an H-shaped sliding block is slidably installed in each supporting groove, and the top surface of the H-shaped sliding block is fixedly connected with a cursor probe.
Preferably, the straight flute is seted up to the both sides top surface of supporting the groove, the screw hole is all seted up to the both sides boss of H shape slider, the outer lane of screw hole is located inside the inner circle of straight flute, the circular slot is seted up to the bottom surface of H shape slider both sides top boss, the internal thread mounting bolt of screw hole, the rotary tank is seted up at the middle part of bolt, the inside rotation installation clamping ring of rotary tank, clamping ring and circular slot sliding fit.
Preferably, the top surface of the circular groove is provided with a plurality of limiting holes, the top surface of the pressing ring is fixedly connected with a limiting rod, and the limiting rod is in sliding fit with the limiting holes.
Preferably, cursor probe's outer lane screw thread installation air cock ring seat, a plurality of slant gas pockets are seted up to the inside of air cock ring seat, the annular gas pocket of internally mounted of air cock ring seat, the one end and the annular gas pocket intercommunication of slant gas pocket, the top surface middle part rigid coupling reposition of redundant personnel seat of mount table, the both ends of reposition of redundant personnel seat all communicate the reposition of redundant personnel trachea, reposition of redundant personnel trachea and annular gas pocket intercommunication, the other end intercommunication main trachea of reposition of redundant personnel seat, main trachea and outside air supply intercommunication, main trachea is fixed with the mount table through the backup pad with the reposition of redundant personnel trachea.
Preferably, the gravure assembly includes an impression cylinder and a gravure cylinder; the special paper printing machine is characterized in that a gravure cylinder is rotatably installed at the top of the supporting arm at one end of the supporting seat, an impression cylinder is rotatably installed in the middle of the supporting arm at one end of the supporting seat, and special paper is slidably installed between the gravure cylinder and the impression cylinder.
The invention has the technical effects and advantages that:
the cursor is printed on the back of the special paper through the cursor printing block, so that the interference of the cursor probe in scanning cursor positioning is reduced, the problem of large interference of the cursor on the front of the special paper is solved, the subsequent accurate overprinting is realized, the quality of a product is improved, the probability of defective products is reduced, and the cost is saved;
the positioning ring is driven to rotate through the rotating shaft, so that the cursor printing block is extruded by the side wall of the sleeve and slides towards the inside of the sliding groove, the spring is compressed, the annular groove is matched with the cursor printing block to slide, and the cursor printing block accurately slides through the pigment groove, so that the top of the cursor printing block is always kept with uniform and sufficient pigment, the quality of a printed cursor is ensured, the sensing accuracy of a cursor probe is improved, and the overprinting quality is improved;
the pressing ring is driven to extrude the side wall of the straight groove by screwing the bolt into the bottom of the threaded hole, so that the H-shaped sliding block is clamped and fixed, the H-shaped sliding block is prevented from being deviated due to vibration during printing, the cursor probe is prevented from being inaccurately positioned due to movement, and overprinting is prevented from being deviated; through main trachea intercommunication outside air supply, high-speed air current gets into the slant gas pocket through cyclic annular gas pocket reposition of redundant personnel trachea after through reposition of redundant personnel trachea, and high-speed air current is followed slant gas pocket slant blowout, blows off the dust on the mirror surface of cursor probe, has improved the accuracy degree of cursor probe, has further increaseed the degree of accuracy of overprinting then.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the mounting table of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is an enlarged view of a portion of FIG. 1 at B;
FIG. 5 is an enlarged view, partially in section, of FIG. 2 at C;
fig. 6 is an enlarged view of a portion of fig. 2 in section D.
Illustration of the drawings:
1. a supporting seat; 2. calibrating the component; 3. a gravure printing assembly; 4. special paper; 201. a rotating shaft; 202. a drive roller; 203. a driven roller; 204. a positioning ring; 205. a cursor printing block; 206. a cursor probe; 207. a sleeve; 208. a notch; 209. a chute; 210. a slide bar; 211. a spring; 212. a ring groove; 213. a pigment groove; 214. an installation table; 215. a support groove; 216. an H-shaped slider; 217. a straight groove; 218. a threaded hole; 219. a circular groove; 220. a bolt; 221. rotating the groove; 222. pressing a ring; 223. a limiting hole; 224. a limiting rod; 225. an air tap ring seat; 226. oblique air holes; 227. an annular air hole; 228. a shunt seat; 229. a gas distributing pipe; 230. a main air pipe; 231. a support plate; 301. an impression cylinder; 302. a gravure cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Specific examples are given below.
Referring to fig. 1 to 6, an improved gravure press registration method of the present invention includes the steps of:
s1: cursor printing, namely, feeding paper unfolded by an uncoiler into a printing group, printing a cursor by cursor printing blocks on two sides, checking the cursor printing effect, judging whether missing ink is few and whether the color concentration is consistent, and if missing ink is few, checking whether a positioning pin is damaged and the ink amount in an ink box of the cursor;
s2: photoelectric calibration, printing uniform and complete cursor paper, scratching the paper above a photoelectric probe, tracking the cursor through a computer registration system to perform contrast calibration, and detecting the signal reaction effect;
s3: fine adjustment of the photoelectric probe, after tracking a cursor by a computer registration system and comparing and calibrating, loosening a clamp of the photoelectric probe, fine adjusting the position of the photoelectric probe, and simultaneously calibrating by the computer registration system until the calibration is finished, and clamping the clamp of the photoelectric probe to fix the photoelectric probe;
s4: cleaning a cursor probe, if the effect of detecting signal reaction is weak or even no signal exists, firstly checking whether an electric eye luminous bulb of a photoelectric probe is burnt out, if the electric eye luminous bulb is burnt out, timely replacing the electric eye luminous bulb, then checking whether dust falls on a mirror surface of the photoelectric probe, connecting an external air source, blowing off the dust on the mirror surface of the photoelectric probe, and meanwhile carefully observing overprinting waveforms of a computer until cross identification in a printing hue is stable;
s5: and after the checking and cleaning are finished, testing the printing effect, and if the printed pattern is also misplaced, checking and adjusting again until the printed pattern is a finished product with accurate and clear color.
As an embodiment of the present invention, the printing group includes a support base 1, a calibration unit 2, and a gravure unit 3; one end of the supporting seat 1 is provided with a calibration component 2, and the other end of one end of the supporting seat 1 is provided with a gravure component 3;
the calibration assembly 2 comprises a rotating shaft 201, a driving roller 202, a driven roller 203, a positioning ring 204, a cursor printing block 205 and a cursor probe 206; a rotating shaft 201 is rotatably mounted in the middle of a supporting arm at one end of a supporting seat 1, a driving roller 202 is fixedly connected in the middle of the rotating shaft 201, positioning rings 204 are fixedly connected at two ends of the rotating shaft 201, a cursor printing block 205 is mounted on the outer ring of the positioning ring 204, a driven roller 203 is rotatably mounted at the top of the supporting arm at one end of the supporting seat 1, cursor probes 206 are mounted on two sides of the middle of the supporting seat 1, a specialty paper 4 is slidably mounted between the driving roller 202 and the driven roller 203, a cursor is printed on the bottom surface of the specialty paper 4 by the cursor printing block; the cursor is printed on the back of the special paper 4 through the cursor printing block 205, so that the interference of the cursor probe 206 in scanning cursor positioning is reduced, the problem of large interference of the cursor on the front of the special paper 4 is solved, subsequent accurate overprinting is realized, the quality of products is improved, the probability of defective products is reduced, and the cost is saved.
As an embodiment of the invention, a sleeve 207 is fixedly connected to the middle of a support arm at one end of a support base 1, a notch 208 is formed in the top of the sleeve 207, a sliding groove 209 is formed in the outer ring of a positioning ring 204, a cursor printing block 205 is slidably mounted inside the sliding groove 209, the top of the cursor printing block 205 is in sliding fit with the notch 208, a plurality of sliding rods 210 are fixedly connected to both sides of the inside of the sliding groove 209, the sliding rods 210 slidably penetrate through bosses on both sides of the cursor printing block 205, a plurality of springs 211 are fixedly connected to the bottom surfaces of both sides of the inside of the sliding groove 209, the top ends of the springs 211 are fixedly connected to the bottom surfaces of the cursor printing block; drive holding ring 204 through pivot 201 and rotate for cursor printing piece 205 receives the extrusion of sleeve 207 lateral wall, to the inside slip of spout 209, makes the spring 211 compression, thereby realizes accomodating the protection with cursor printing piece 205, realizes then that cursor printing piece 205 prints the cursor at the interval in succession.
As an embodiment of the present invention, an inner ring of the sleeve 207 is provided with a ring groove 212, a bottom surface of the ring groove 212 is provided with a pigment groove 213, and a sponge is mounted inside the pigment groove 213; through the sliding of annular groove 212 cooperation cursor printing piece 205, cursor printing piece 205 slides accurately pigment groove 213 for the top of cursor printing piece 205 remains even sufficient pigment throughout, thereby has guaranteed the quality of the cursor of printing, has then improved the degree of accuracy that cursor probe 206 responded, has improved the quality of overprinting.
As an embodiment of the invention, the middle bottom surface of the supporting seat 1 is fixedly connected with an installation platform 214, supporting grooves 215 are formed in the inner parts of two sides of the installation platform 214, an H-shaped sliding block 216 is slidably installed in the supporting grooves 215, and the top surface of the H-shaped sliding block 216 is fixedly connected with a cursor probe 206; the H-shaped slider 216 is matched with the support groove 215 to slide, so that the cursor probe 206 can slide and displace, a worker can adjust the position of the cursor probe 206 to calibrate the cursor conveniently, and the overprinting accuracy is improved.
As an embodiment of the invention, the top surfaces of two sides of the supporting groove 215 are provided with straight grooves 217, bosses of two sides of the H-shaped slider 216 are provided with threaded holes 218, the outer ring of the threaded hole 218 is positioned inside the inner ring of the straight groove 217, the bottom surfaces of the bosses of the top of two sides of the H-shaped slider 216 are provided with round grooves 219, the inner threads of the threaded holes 218 are provided with bolts 220, the middle parts of the bolts 220 are provided with rotary grooves 221, the interior of the rotary grooves 221 is rotatably provided with press rings 222, and the press rings 222 are in sliding fit with the round grooves 219; the bottom of the threaded hole 218 is screwed in through the bolt 220, the pressing ring 222 is driven to extrude the side wall of the straight groove 217, the H-shaped sliding block 216 is clamped and fixed, the H-shaped sliding block 216 is prevented from deviating due to vibration during printing, the cursor probe 206 is prevented from moving to cause inaccurate positioning, overprinting is prevented from deviating, and the overprinting accuracy is improved.
As an embodiment of the present invention, the top surface of the circular groove 219 is provided with a plurality of limiting holes 223, the top surface of the pressing ring 222 is fixedly connected with a limiting rod 224, and the limiting rod 224 is in sliding fit with the limiting holes 223; the limiting rod 224 slides in the limiting hole 223, so that the moving direction of the pressing ring 222 is fixed, the pressing ring 222 is prevented from rotating along with the bolt 220, and the stability of the H-shaped sliding block 216 is improved.
As an embodiment of the present invention, an air nozzle ring seat 225 is installed on an outer ring of a cursor probe 206 by a thread, a plurality of oblique air holes 226 are formed in the air nozzle ring seat 225, an annular air hole 227 is installed in the air nozzle ring seat 225, one end of the oblique air hole 226 is communicated with the annular air hole 227, a shunt seat 228 is fixedly connected to the middle of the top surface of an installation platform 214, two ends of the shunt seat 228 are both communicated with a shunt air pipe 229, the shunt air pipe 229 is communicated with the annular air hole 227, the other end of the shunt seat 228 is communicated with a main air pipe 230, the main air pipe 230 is communicated with an external air source, and the main air pipe 230 and the shunt air pipe 229 are both fixed; the main air pipe 230 is communicated with an external air source, high-speed air flows enter the shunt air pipes 229 on two sides in a shunt mode through the shunt seat 228 and enter the oblique air holes 226 in a shunt mode through the annular air holes 227, and the high-speed air flows are ejected out of the oblique air holes 226 in an oblique mode, so that dust on the mirror face of the cursor probe is cleaned, accuracy of the cursor probe 206 is improved, and overprinting accuracy is further improved.
As an embodiment of the present invention, the gravure assembly 3 includes an impression cylinder 301 and a gravure cylinder 302; the top of the supporting arm at one end of the supporting seat 1 is rotatably provided with a gravure cylinder 302, the middle of the supporting arm at one end of the supporting seat 1 is rotatably provided with an impression cylinder 301, and special paper 4 is slidably arranged between the gravure cylinder 302 and the impression cylinder 301; the specialty paper 4 is pressed by the impression cylinder 301, so that the specialty paper 4 is pressed against the gravure cylinder 302, so that the overprint template of the gravure cylinder 302 is printed on the front side of the specialty paper 4.
The working principle is as follows: firstly, the specialty paper 4 unwound by an uncoiler is clamped by a driving roller 202 and a driven roller 203, and the driving roller 202 is driven by a rotating shaft 201 to rotate so as to push the specialty paper 4 to slide forwards; meanwhile, the positioning ring 204 is driven by the rotating shaft 201 to rotate, the cursor printing block 205 is driven to rotate, the cursor printing block 205 is extruded by the side wall of the sleeve 207 and slides towards the inside of the sliding groove 209, the spring 211 is compressed, the cursor printing block 205 slides along the annular groove 212, the cursor printing block 205 accurately slides through the pigment groove 213, so that the top of the cursor printing block 205 is always kept with uniform and sufficient pigment, when the cursor printing block 205 rotates to the notch 208 at the top, the spring 211 resets to push out the cursor printing block 205, and a cursor is printed on the back of the special paper 4;
when the specialty paper 4 printed with the cursor slides over the top of the cursor probe 206, the cursor probe 206 scans the cursor, the cursor is tracked through a computer registration system to be compared and calibrated, the bolt 220 is unscrewed, the H-shaped sliding block 216 is pushed, the cursor probe 206 is moved, and after the cursor is aligned, the bolt 220 is screwed down to drive the press ring 222 to extrude the side wall of the straight groove 217, so that the H-shaped sliding block 216 is clamped and fixed;
the main air pipe 230 is communicated with an external air source, high-speed airflow passes through the shunting seat 228, is shunted to enter the shunting air pipes 229 on two sides, and then is shunted to enter the inclined air holes 226 through the annular air holes 227, and the high-speed airflow is obliquely ejected out of the inclined air holes 226, so that dust on the mirror surface of the cursor probe is cleaned;
the special paper 4 printed with the cursor after being aligned enters the gravure assembly 3, the impression cylinder 301 extrudes the special paper 4, the special paper 4 extrudes the gravure cylinder 302, and the overprinting template of the gravure cylinder 302 is accurately overprinted on the front surface of the special paper 4; the problems of large interference of the front cursor of the special paper and inaccurate overprinting are solved, the quality of the product is improved, the probability of defective products is reduced, and the cost is saved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. An improved gravure press registration method is characterized by comprising the following steps:
s1: cursor printing, namely, feeding paper unfolded by an uncoiler into a printing group, printing a cursor by cursor printing blocks on two sides, checking the cursor printing effect, judging whether missing ink is few and whether the color concentration is consistent, and if missing ink is few, checking whether a positioning pin is damaged and the ink amount in an ink box of the cursor;
s2: photoelectric calibration, printing uniform and complete cursor paper, scratching the paper above a photoelectric probe, tracking the cursor through a computer registration system to perform contrast calibration, and detecting the signal reaction effect;
s3: fine adjustment of the photoelectric probe, after tracking a cursor by a computer registration system and comparing and calibrating, loosening a clamp of the photoelectric probe, fine adjusting the position of the photoelectric probe, and simultaneously calibrating by the computer registration system until the calibration is finished, and clamping the clamp of the photoelectric probe to fix the photoelectric probe;
s4: cleaning a cursor probe, if the effect of detecting signal reaction is weak or even no signal exists, firstly checking whether an electric eye luminous bulb of a photoelectric probe is burnt out, if the electric eye luminous bulb is burnt out, timely replacing the electric eye luminous bulb, then checking whether dust falls on a mirror surface of the photoelectric probe, connecting an external air source, blowing off the dust on the mirror surface of the photoelectric probe, and meanwhile carefully observing overprinting waveforms of a computer until cross identification in a printing hue is stable;
s5: and after the checking and cleaning are finished, testing the printing effect, and if the printed pattern is also misplaced, checking and adjusting again until the printed pattern is a finished product with accurate and clear color.
2. The improved gravure press registration method of claim 1, wherein the printing group includes a support base (1), a calibration assembly (2), and a gravure assembly (3); one end of the supporting seat (1) is provided with a calibration component (2), and the other end of one end of the supporting seat (1) is provided with a gravure component (3);
the calibration assembly (2) comprises a rotating shaft (201), a driving roller (202), a driven roller (203), a positioning ring (204), a cursor printing block (205) and a cursor probe (206); support arm middle part of the one end of supporting seat (1) rotates installation pivot (201), middle part rigid coupling drive roller (202) of pivot (201), both ends rigid coupling holding ring (204) of pivot (201), outer lane installation cursor printing piece (205) of holding ring (204), the support arm top of the one end of supporting seat (1) rotates installation driven voller (203), cursor probe (206) are all installed to the middle part both sides of supporting seat (1), slidable mounting specialty paper (4) between drive roller (202) and driven voller (203), cursor printing piece (205) prints the cursor in the bottom surface of specialty paper (4), cursor probe (206) align the cursor.
3. The improved gravure printing press registration method of claim 2, the middle part of the supporting arm at one end of the supporting seat (1) is fixedly connected with a sleeve (207), the top of the sleeve (207) is provided with a notch (208), a sliding groove (209) is formed in the outer ring of the positioning ring (204), a cursor printing block (205) is slidably mounted inside the sliding groove (209), the top of the cursor printing block (205) is in sliding fit with the notch (208), a plurality of sliding rods (210) are fixedly connected with two sides of the inner part of the sliding groove (209), the sliding rod (210) penetrates through bosses at two sides of the cursor printing block (205) in a sliding manner, the bottom surfaces of two sides of the interior of the sliding groove (209) are fixedly connected with a plurality of springs (211), the top ends of the springs (211) are fixedly connected with the bottom surface of the cursor printing block (205), and the inner rings of the springs (211) are sleeved on the outer rings of the sliding rods (210).
4. The improved gravure printing machine registration method as claimed in claim 3, wherein the inner ring of the sleeve (207) is formed with an annular groove (212), a bottom surface of the annular groove (212) is formed with a color groove (213), and the color groove (213) is internally installed with a sponge.
5. The improved gravure press registration method according to claim 2, wherein the middle bottom surface of the supporting base (1) is fixedly connected with an installation platform (214), supporting grooves (215) are formed in the inner portions of the two sides of the installation platform (214), an H-shaped sliding block (216) is slidably installed in the supporting grooves (215), and a cursor probe (206) is fixedly connected to the top surface of the H-shaped sliding block (216).
6. The improved gravure press registration method according to claim 5, wherein the top surfaces of both sides of the support groove (215) are provided with straight grooves (217), bosses of both sides of the H-shaped slider (216) are provided with threaded holes (218), outer rings of the threaded holes (218) are positioned inside inner rings of the straight grooves (217), bottom surfaces of top bosses of both sides of the H-shaped slider (216) are provided with round grooves (219), internal threads of the threaded holes (218) are provided with bolts (220), middle parts of the bolts (220) are provided with rotating grooves (221), internal parts of the rotating grooves (221) are rotatably provided with pressing rings (222), and the pressing rings (222) are in sliding fit with the round grooves (219).
7. The improved gravure press registration method according to claim 6, wherein the top surface of the circular groove (219) is provided with a plurality of limiting holes (223), the top surface of the press ring (222) is fixedly connected with limiting rods (224), and the limiting rods (224) are in sliding fit with the limiting holes (223).
8. The improved gravure printing press registration method of claim 5, an air nozzle ring seat (225) is installed on the outer ring of the cursor probe (206) in a threaded manner, a plurality of inclined air holes (226) are formed in the air nozzle ring seat (225), an annular air hole (227) is arranged inside the air nozzle ring seat (225), one end of the inclined air hole (226) is communicated with the annular air hole (227), the middle part of the top surface of the mounting table (214) is fixedly connected with a shunt seat (228), two ends of the shunt seat (228) are communicated with a shunt air pipe (229), the gas distribution pipe (229) is communicated with the annular gas hole (227), the other end of the gas distribution seat (228) is communicated with the main gas pipe (230), the main air pipe (230) is communicated with an external air source, and the main air pipe (230) and the shunt air pipe (229) are fixed with the mounting table (214) through a supporting plate (231).
9. The improved gravure press registration method as claimed in claim 2, wherein the gravure assembly (3) includes an impression cylinder (301) and a gravure cylinder (302); the gravure cylinder (302) is rotatably installed at the top of the supporting arm at one end of the supporting seat (1), the impression cylinder (301) is rotatably installed at the middle of the supporting arm at one end of the supporting seat (1), and the special paper (4) is slidably installed between the gravure cylinder (302) and the impression cylinder (301).
CN202011536432.6A 2020-12-23 2020-12-23 Improved gravure press registration method Active CN112537135B (en)

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Application Number Priority Date Filing Date Title
CN202011536432.6A CN112537135B (en) 2020-12-23 2020-12-23 Improved gravure press registration method

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