CN114103424B - Offset printing method for replacing traditional two-dimensional code spraying process - Google Patents
Offset printing method for replacing traditional two-dimensional code spraying process Download PDFInfo
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- CN114103424B CN114103424B CN202111388380.7A CN202111388380A CN114103424B CN 114103424 B CN114103424 B CN 114103424B CN 202111388380 A CN202111388380 A CN 202111388380A CN 114103424 B CN114103424 B CN 114103424B
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- 238000000034 method Methods 0.000 title claims abstract description 59
- 238000007645 offset printing Methods 0.000 title claims abstract description 35
- 238000005507 spraying Methods 0.000 title claims description 70
- 238000007639 printing Methods 0.000 claims abstract description 85
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 71
- 238000003490 calendering Methods 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000012797 qualification Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 6
- 230000002950 deficient Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
- B41F19/007—Apparatus or machines for carrying out printing operations combined with other operations with selective printing mechanisms, e.g. ink-jet or thermal printers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/08—Print finishing devices, e.g. for glossing prints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/0009—Central control units
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Coating Apparatus (AREA)
Abstract
The invention discloses an offset printing method for replacing the traditional two-dimensional code printing process, which comprises the steps of paper treatment, offset printing treatment, transmission and code printing, and has the beneficial effects that: through using the printing machine to print the fixed characters of two-dimensional code and fixed pattern part on the paper in advance before spouting the yard technology, and then reduced the yard region of spouting the yard device to improve the efficiency of two-dimensional code printing, simultaneously, combine together printing and spouting the seal mode, both remain the advantage that the printing machine printing efficiency is high, overcome the unable printing two-dimensional code variable region's of printing machine problem again, simultaneously, use the printing machine to print two-dimensional code fixed pattern and characters in advance, conveniently spout the yard device and fix a position, thereby improve the qualification rate of two-dimensional code printing.
Description
Technical Field
The invention relates to the technical field of two-dimensional code printing, in particular to an offset printing method for replacing a traditional two-dimensional code printing process.
Background
In recent decades, the printing and packaging industry has greatly developed, and two-dimensional codes are widely applied to various packaging products because of the characteristics of large information capacity, wide coding range, strong fault tolerance, high decoding reliability, traceability, low cost, easy identification and the like.
However, the existing code spraying process has great defects in the printing process of the two-dimensional code, the existing code spraying process simply depends on code spraying equipment to perform the code spraying, the existing code spraying equipment can only achieve 4000-5000 sheets/hour, the speed is low, meanwhile, the existing code spraying process performs the code spraying through the existing code spraying equipment, the position sleeving precision of the code spraying equipment is poor and is 0.2-0.4mm larger than the error of an offset press, and certain restrictions are caused on the efficiency and the qualification rate of packaged products.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an offset printing method for replacing the traditional two-dimensional code spraying process.
The aim of the invention can be achieved by the following technical scheme:
the offset printing method for replacing the traditional two-dimensional code printing process comprises the following specific steps of paper treatment, offset printing treatment, conveying and code printing:
s1, paper processing: selecting paper with the thickness range of 0.08-0.2mm, heating a hot roller for soft roller calendering to 50-80 ℃, and carrying out calendering treatment on the paper through a hard roller and a soft roller for soft roller calendering;
s2, offset printing: the paper subjected to soft calendaring treatment is placed into an offset press, fixed character patterns and two-dimensional code fixed frames are printed on the paper through the offset press, and the paper printed through the offset press is placed into a dryer for drying for 3-8min;
s3, transmitting: the paper printed and dried by the printer is placed on a conveyor belt, and four corners of the paper are fixed by clips;
s4, code spraying: the code spraying device is moved to the side of the conveyor belt, the supporting base table of the code spraying device is fixed on one side of the top of the conveyor belt through bolts, the conveyor belt conveys paper printed and dried by the printing machine to the lower side of the code spraying device, the hydraulic rod is driven by a hydraulic cylinder on the connecting component to move, the hydraulic rod drives the connecting frame to move, the height of a positioning frame arranged at the bottom of the connecting frame is adjusted through the moving connecting frame, the positioning frame is pressed downwards, the positioning frame is sleeved outside the paper on the conveyor belt, offset generated in the paper conveying process is corrected, the positioning screw fixes the paper when the positioning frame is pressed downwards through adjusting the positioning screw, the paper after offset printing is identified through the electric eye sensor, the identification result is fed back to the PLC, the data is processed through the PLC, the position of the spray head is regulated by the left-right moving component, the front-back moving component and the lifting component on the device through the PLC, the spray head is regulated to an area where the paper needs to be printed with the variable two-dimension code, the spray head is used for spraying the variable two-dimension code to the appointed position on the surface of the paper, the position of the spray head on the code spraying device can be regulated front and back, left and right and up and down through the left-right moving component, the front-back moving component and the lifting component, so that the flexibility of the use of the code spraying device is improved, convenience is provided for regulating the spray head to carry out two-dimension code spraying processing, the front-back, left and right regulation is carried out on the position of the spray head through the left-right moving component and the front-back moving component, the spray head is matched with an electric eye sensor to carry out identification, the spray head can be rapidly positioned, the position of the two-dimension code sprayed by the spray head is more accurate, the position of the spray head is regulated up and down through the lifting component, the size of the area of the spray head spray printing can be controlled, the spray printing speed and the spray printing precision of the spray code device can be adjusted, the distance between the spray head and the paper can be adjusted to be in an optimal state by adjusting the distance between the spray head and the paper, the spray code device can be more coordinated in the spray printing speed and the spray printing precision, the paper needing spray printing can be restrained in the positioning frame by arranging the positioning frame, and the paper can be conveniently positioned.
The invention further technically improves that: the thickness range of the paper selected in the step S1 is 0.1-0.15mm, the hot roller calendered by the soft roller is heated to 60-75 ℃, and the drying time of the dryer in the step S2 is 4.5-6.6min.
The invention further technically improves that: the code spraying device in the step S4 comprises a support base table, a left-right moving assembly, a front-back moving assembly, a lifting assembly and a positioning frame, wherein the support base table is fixed on one side of the top of a mounting belt through bolts, the left-right moving assembly is horizontally welded on one side of the support base table, which is close to the conveyor belt, the front-back moving assembly is horizontally and slidably matched with one side of the support base table, the front-back moving assembly and the left-right moving assembly are vertically arranged, the lifting assembly is horizontally and slidably matched with the lifting assembly in the vertical arrangement, a lifting plate is vertically and slidably matched with one side of the lifting assembly, which is far from the lifting assembly, an electric eye sensor and a spray head are respectively arranged on one side of the lifting plate, two supporting arms are respectively fixed on two ends of the left-right moving assembly, a connecting assembly is arranged on each supporting arm, the positioning frame is in a frame structure, and the positioning frame is arranged at the bottoms of the two connecting assemblies;
the locating frame is of a 'mouth-shaped structure', clamping strips are welded on inner side walls at two ends of the locating frame, the sections of the clamping strips are of inverted 'L' -shaped structures, the tops of the clamping strips are matched with a plurality of locating screws through fixing the clamping strips, the locating screws are arranged on the clamping strips and are pressed downwards through the locating frame, the locating screws can be pressed on the side of paper needing to be printed with two-dimension codes, the paper is fixed, the paper is prevented from being moved in the printing process to cause printing failure, meanwhile, the locating screws are connected with the clamping strips in a threaded mode, the upper and lower heights of the locating screws can be adjusted through rotation, the pressure of the locating screws on the paper is adjusted, the fact that the bottom of the locating screws stamps or the marks are stamped on the paper is avoided, and the quality of processed two-dimension code products is affected.
The invention further technically improves that: the side-to-side moving assembly comprises a side-to-side moving plate, a side-to-side moving slide rail and a side-to-side moving plate, wherein the side-to-side moving plate is horizontally welded on one side of a supporting base table, the side-to-side moving plate is far away from one side of the supporting base table, the side-to-side moving slide rail is provided with two side-to-side moving slide rails, the two side-to-side moving slide rails are respectively positioned at the upper end and the lower end of the side-to-side moving plate, the two side-to-side moving slide rails are respectively positioned at the upper end and the lower end of the side-to-side moving side plate, the two side moving slide rails are respectively positioned at the left side-to-side moving slide rail, the two side-to-side moving slide rails are respectively positioned at the left side-to-side moving slide rail, the two side-to-side moving slide rails are fixedly clamped on a clamping plate, the clamping plate is driven by a first motor, the belt is driven by rotating the belt, the belt is driven by the belt, the clamping pulley is driven, the clamping plate is driven by the driving belt, the driving plate is horizontally, the clamping plate is connected with a rotating plate, and the left side and right side plate, the moving plate and the side plate through the side and the sliding plate is smoothly and the sprayer.
The invention further technically improves that: the front-back moving assembly comprises a front-back moving side plate, a front-back moving screw rod and a second motor, the front-back moving side plate is of a U-shaped structure, one end of the front-back moving side plate is fixed on one side of the left-right moving plate through bolts, front-back moving slide rails are welded at the upper end and the lower end of one side of the front-back moving side plate in a horizontal mode, the front-back moving screw rod is in running fit with one side, close to the front-back moving slide rails, of the front-back moving side plate, the second motor is horizontally installed at one end, far away from the left-right moving plate, of the front-back moving side plate, one end of the second motor is connected with the front-back moving screw rod through a rotating shaft, and the screw rod is driven through the second motor to rotate.
The invention further technically improves that: the lifting assembly comprises a lifting side plate, a lifting screw rod and a lifting plate, wherein the lifting side plate is vertically arranged, two front-back moving sliding blocks and one front-back moving nut are welded on one side of the lifting side plate, which is close to the front-back moving assembly, the two front-back moving sliding blocks are respectively in sliding fit with the two front-back moving sliding rails, the lifting side plate is in sliding fit with the two front-back moving sliding rails through the two front-back moving sliding blocks, the lifting screw rods are vertically welded on two ends of one side of the lifting side plate, which is far away from the front-back moving sliding blocks, of the lifting side plate, the lifting screw rod is vertically in rolling fit with one side of the front-back moving sliding blocks, a third motor is vertically arranged on the top of the lifting side plate, the third motor is connected with the lifting screw rod through a rotating shaft, the front-back moving screw rod moves the front-back moving nuts, the lifting side plate is driven by the front-back moving nuts, the lifting side plate is further adjusted front-back by the front-back moving sliding rails, the front-back moving sliding blocks are welded on one side of the lifting side plate, the front-back moving sliding blocks and the front-back moving sliding rails are in sliding fit with the front-back moving sliding rails, the lifting side plate is smoothly, the lifting side plate is moved front and back, the lifting screw rod is further, the lifting screw rod is moved smoothly, and the top, the lifting motor is vertically, and the lifting screw rod is vertically.
The invention further technically improves that: one side of lifter plate that is close to lifting unit welds respectively with two lifting slide blocks and a lifting nut, two lifting slide blocks respectively with two lifting slide rail sliding fit, the lifter plate passes through two lifting slide block sliding fit on two lifting slide rails, lifting nut screw thread fit is on lifting screw rod, through rotating lifting screw rod, make lifting nut remove on lifting screw rod, lifting nut drives the lifter plate, make the lifter plate reciprocate, and then adjust the height of shower nozzle, through welding lifting slide block on the lifter plate, and with lifting slide block and lifting slide rail sliding fit, make the lifter plate reciprocate smoother and more stable, and then make the more flexible of shower nozzle up-and-down regulation.
The invention further technically improves that: the cross section of the left-right moving slide rail and the cross section of the front-back moving slide rail are of an I-shaped structure, a first sliding groove matched with the left-right moving slide rail is formed in one side of the left-right moving slide block, the left-right moving slide block is in sliding fit with the left-right moving slide rail, a second sliding groove matched with the front-back moving slide rail is formed in one side of the front-back moving slide block, the front-back moving slide block is in sliding fit with the front-back moving slide rail through the second sliding groove, a third sliding groove matched with the lifting slide rail is formed in one side of the lifting slide rail, the lifting slide block is in sliding fit with the lifting slide rail through the third sliding groove, and the cross section or the cross section of the lifting slide rail is of the I-shaped structure.
The invention further technically improves that: the connecting assembly comprises a hydraulic cylinder, a connecting frame and a connecting block, wherein the hydraulic cylinder is vertically fixed at the top of the supporting arm, the top of the hydraulic cylinder is provided with a hydraulic rod, the top of the hydraulic rod is fixedly connected with the connecting frame which is of an inverted U-shaped structure, two ends of the connecting frame downwards penetrate through the supporting arm, two ends of the connecting frame are in sliding fit with the supporting arm, two ends of the bottom of the connecting frame are fixedly provided with the connecting block, and the positioning frame is fixed with the connecting block through bolts.
The invention has the beneficial effects that:
in the invention, compared with the traditional code spraying device, the adopted code spraying device has the following advantages:
1. the code spraying device is characterized in that the left-right moving assembly, the front-back moving assembly and the lifting assembly are arranged, the position of the spray head on the code spraying device can be adjusted front and back, left and right and up and down, so that the use flexibility of the code spraying device is improved, the spray head can be flexibly adjusted, convenience is brought to two-dimensional code spray printing processing for adjusting the spray head, the spray head position is adjusted front and back, left and right through the left-right moving assembly and the front-back moving assembly, the spray head can be quickly positioned by matching with the electric eye sensor, the position of the two-dimensional code sprayed by the spray head is more accurate, the processing precision of the two-dimensional code is improved, the position of the spray head is adjusted up and down through the lifting assembly, the spray printing speed and the spray printing precision of the spray head can be controlled, the spray printing distance between the spray head and paper can be adjusted to an optimal state by adjusting the distance between the spray head and the spray head, and the spray printing speed and the spray printing precision are more coordinated, and the spray printing state of the code spraying device is played more efficiently.
2. The paper to be printed can be restrained in the positioning frame by the aid of the positioning frame, the paper can be conveniently positioned, so that the paper with skew wrinkles can be found out timely, the defective rate of the two-dimension code printing is reduced, meanwhile, the hydraulic rod is driven to move by the hydraulic cylinder, the connecting frame is driven by the hydraulic rod to move up and down by the aid of the connecting frame, the flexibility of the use of the code printing device is further improved, the positioning frame can limit the carrier for carrying the paper by moving downwards, the skewed paper carrier can be regulated and corrected, the skewed paper is corrected, the smooth two-dimension code printing is guaranteed, the efficiency of the code printing device on the two-dimension code printing is guaranteed, and the qualification rate of the two-dimension code printing of the code printing device is further improved.
3. The code spraying device is provided with the fixing clamping strip, the locating screw is arranged on the clamping strip and is pressed downwards through the locating frame, so that the locating screw can be pressed on the side of paper needing to be sprayed with the two-dimension code, the paper is fixed, further, the paper is prevented from moving in the spray printing process to cause spray printing failure, the success rate of the code spraying device on the two-dimension code is improved, the reliability of the code spraying device is improved, meanwhile, the locating screw is connected with the clamping strip in a threaded fit manner, the locating screw can be used for adjusting the upper and lower heights through rotation, the pressure of the locating screw on the paper is adjusted, the situation that the locating screw is used for stamping or pressing out the paper is avoided, and further the quality of a processed two-dimension code product is influenced.
Compared with the traditional two-dimensional code printing method, the two-dimensional code printing method has the following advantages:
the two-dimensional code fixing words and the fixing pattern part are printed on the paper in advance by using the printer before the code spraying process, so that the code spraying area of the code spraying device is reduced, the printing efficiency of the two-dimensional code is improved, meanwhile, the printing and the printing mode are combined, the advantage of high printing efficiency of the printer is reserved, the problem that the printer cannot print the variable area of the two-dimensional code is solved, meanwhile, the two-dimensional code fixing pattern and the words are printed in advance by using the printer, the code spraying device is conveniently positioned, the qualification rate of the two-dimensional code printing is improved, the paper is subjected to soft roll calendering before the printer is used, the paper surface layer needing to be printed with the two-dimensional code is smooth and higher, the printed ink can be better contacted, the printing quality of the two-dimensional code is improved, residual moisture after the printing is removed, the drying of the ink on the paper is accelerated, and the spreading of the ink on the paper is avoided, and the quality of the two-dimensional code printing is influenced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a code spraying device in the present invention.
Fig. 2 is a schematic structural view of the left-right moving assembly in fig. 1 according to the present invention.
Fig. 3 is a schematic diagram of a structure of the left and right moving plate in fig. 2 according to the present invention.
Fig. 4 is a schematic structural view of the back and forth moving assembly of fig. 1 according to the present invention.
Fig. 5 is a schematic structural view of the lifting assembly in fig. 1 according to the present invention.
Fig. 6 is a side view of the lifting side plate of fig. 5 according to the present invention.
Fig. 7 is a schematic structural view of the lifter plate in fig. 1 according to the present invention.
Fig. 8 is a schematic structural view of the connection assembly of fig. 1 according to the present invention.
The drawing is marked: 1. supporting the base table; 2. a left-right moving assembly; 201. moving the side plates left and right; 202. moving the slide rail left and right; 203. a belt pulley; 204. a drive belt; 205. a first motor; 206. a left-right moving plate; 207. moving the slider left and right; 208. a clamping plate; 3. a back and forth movement assembly; 301. moving the side plate back and forth; 302. moving the slide rail back and forth; 303. moving the screw rod back and forth; 304. a second motor; 4. a lifting assembly; 401. lifting the side plate; 402. moving the slider back and forth; 403. moving the nut back and forth; 404. lifting the sliding rail; 405. lifting the screw rod; 406. a third motor; 5. a lifting plate; 501. a lifting slide block; 502. lifting the nut; 6. an electric eye sensor; 7. a spray head; 8. a bracket arm; 9. a connection assembly; 901. a hydraulic cylinder; 902. a hydraulic rod; 903. a connecting frame; 904. a connecting block; 10. a positioning frame; 11. clamping strips; 12. and (5) positioning a screw.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The offset printing method for replacing the traditional two-dimensional code printing process comprises the following specific steps of paper treatment, offset printing treatment, conveying and code printing:
s1, paper processing: selecting paper with the thickness range of 0.10mm, heating a hot roller for soft roller calendaring to 65 ℃, calendaring the paper by a hard roller and a soft roller for soft roller calendaring, and performing soft roller calendaring on the paper to make the paper needing to print the two-dimension code smooth and higher, so that the surface layer of the paper can be better contacted with printing ink, and the printing quality of the two-dimension code is improved;
s2, offset printing: the method comprises the steps of placing paper subjected to soft calendaring into an offset press, printing fixed character patterns and two-dimensional code fixing frames on the paper through the offset press, placing the paper subjected to printing through the offset press into a dryer for drying 6mi & lt 4 & gt, pre-printing the two-dimensional code fixing characters and fixing pattern parts on the paper by using a printer before a code spraying process, further reducing a code spraying area of a code spraying device, improving the printing efficiency of the two-dimensional code, combining printing and a code spraying mode, not only retaining the advantage of high printing efficiency of the printer, but also overcoming the problem that the printer cannot print the two-dimensional code variable area, simultaneously, printing the two-dimensional code fixing patterns and the characters in advance by using the printer, facilitating the positioning of the code spraying device, thereby improving the qualification rate of the two-dimensional code printing, removing residual moisture after printing and accelerating the drying of printing ink on the paper, and avoiding the diffusion of the printing ink on the paper, and affecting the quality of the printed two-dimensional code;
s3, transmitting: the paper printed and dried by the printer is placed on a conveyor belt, and four corners of the paper are fixed by clips;
s4, code spraying: the code spraying device is moved to the side of a conveyor belt, a supporting base table 1 of the code spraying device is fixed on one side of the top of the conveyor belt through bolts, the conveyor belt conveys paper printed and dried by a printing machine to the lower side of the code spraying device, the hydraulic rod 902 is driven by a hydraulic cylinder 901 on a connecting component 9, the hydraulic rod 902 drives a connecting frame 903 to move, the height of a positioning frame 10 arranged at the bottom of the connecting frame 903 is adjusted through the moving connecting frame 903, the positioning frame 10 is downwards pressed through adjusting the height of the positioning frame 10, the positioning frame 10 is sleeved outside the paper on the conveyor belt, offset generated in the paper conveying process is corrected, when the positioning frame 10 is downwards pressed through adjusting a positioning screw 12, the paper is fixed through the positioning screw 12, the paper after offset printing is identified through an electric hole sensor 6, and the identification result is fed back to a PLC controller, the PLC is used for processing the data, the PLC is used for controlling the left-right moving assembly 2, the front-back moving assembly 3 and the lifting assembly 4 on the device to adjust the position of the spray head 7, the spray head 7 is adjusted to the area where the paper needs to be printed with the variable two-dimension code, the spray head 7 is used for printing the variable two-dimension code to the appointed position on the surface of the paper, the left-right moving assembly 2, the front-back moving assembly 3 and the lifting assembly 4 are arranged, the position of the spray head 7 on the code spraying device can be adjusted back and forth, left and right and up and down, so that the flexibility of the code spraying device is improved, the spray head 7 can be flexibly adjusted, the convenience is provided for adjusting the spray head to carry out two-dimension code printing processing, the front-back left and right adjustment is carried out on the position of the spray head 7 through the left-right moving assembly 2 and the front-back moving assembly 3, the identification is carried out by matching with the electric eye sensor 6, the spray head 7 can be rapidly positioned, the two-dimensional code position that makes shower nozzle 7 spray printing is more accurate to improve the precision of two-dimensional code processing, adjust from top to bottom to the position of shower nozzle 7 through lifting unit 4, can control shower nozzle 7 and spray the regional size of seal, and then adjust the spray printing speed and spray printing precision of spouting the sign indicating number device, through adjusting shower nozzle 7 and the distance of paper, can adjust shower nozzle 7 and paper distance to the best state, make and spray the sign indicating number device more coordinate on spray printing speed and spray printing precision, thereby exert the more efficient of spouting the seal state of spouting the sign indicating number device, through setting up locating frame 10, can restrict the paper that needs to spout the seal in locating frame 10, conveniently fix a position the paper, thereby can in time discover the paper that appears crooked fold, reduce the defective percentage of two-dimensional code spray printing.
As shown in fig. 1-8, the code spraying device in S4 includes a support base table 1, a left-right moving component 2, a front-back moving component 3, a lifting component 4 and a positioning frame 10, the support base table 1 is fixed on one side of the top of the installation belt through bolts, the left-right moving component 2 is welded on one side of the support base table 1, which is close to the conveyor belt, the left-right moving component 2 is horizontally and slidably matched with the front-back moving component 3, the front-back moving component 3 and the left-right moving component 2 are vertically arranged, the front-back moving component 3 is horizontally and slidably matched with the lifting component 4 which is vertically arranged, one side of the lifting component 4, which is far from the front-back moving component 3, is vertically and slidably matched with the lifting board 5, the electric eye sensor 6 and the spray head 7 are respectively installed on one side of the lifting board 5, the two ends of the left-right moving component 2 are respectively fixed with supporting arms 8, the connecting components 9 are respectively installed on the two supporting arms 8, the positioning frame 10 is in a frame structure, and the positioning frame 10 is installed on the bottoms of the two connecting components 9;
wherein, the locating frame 10 is "mouth style of calligraphy structure", the inside wall at locating frame 10 both ends welding has card strip 11, and two card strip 11 cross-sections all are the "L" type structure of inversion, two equal screw thread fit in card strip 11 tops has a plurality of set screw 12, through fixed card strip 11, and set up set screw 12 on card strip 11, push down through locating frame 10, make set screw 12 can press the avris of the paper that needs to spout the seal two-dimensional code, fix the paper, and then avoid spouting the seal in-process paper and take place to remove and lead to spouting the seal failure, thereby this spouting the sign indicating number device spouts the seal success rate to the two-dimensional code and improved the reliability that should spout the sign indicating number device and use, simultaneously, set screw 12 and card strip 11 screw thread fit connection, set screw 12 can be through rotating and adjust the upper and lower height, and then adjust set screw 12 to the pressure of paper, can be adjusted through making set screw 12 to the pressure of paper, avoid set screw 12 bottom to paper or the impression mark, and then the quality of the two-dimensional code product that has led to the fact the influence to the processing, thereby further improved this spouting the device reliability of spouting the sign indicating number device.
The left and right moving assembly 2 comprises a left and right moving side plate 201, a left and right moving slide rail 202 and a left and right moving plate 206, wherein the left and right moving side plate 201 is horizontally welded on the upper part of one side of the supporting base table 1, two left and right moving slide rails 202 are horizontally welded on the side of the left and right moving side plate 201 away from the supporting base table 1, the two left and right moving slide rails 202 are respectively positioned at the upper end and the lower end of the left and right moving side plate 201, the two ends of the side of the left and right moving side plate 201 away from the supporting base table 1 are respectively provided with a belt pulley 203 in a rotating fit, the two belt pulleys 203 are sleeved with a driving belt 204, one end of the left and right moving side plate 201, close to the supporting base table 1, is horizontally provided with a first motor 205, one end of the first motor 205 is connected with one belt pulley 203 through a rotating shaft, the upper end and lower end of the left and right moving slide blocks 207 are respectively in sliding fit with the two left and right moving slide rails 202, the left and right moving plate 206 is slidably matched on the two left and right moving slide rails 202 through two left and right moving slide blocks 207, wherein a clamping plate 208 is fixed on one left and right moving slide block 207, the clamping plate 208 is fixedly clamped on the transmission belt 204, the first motor 205 is used for driving the belt pulley 203 to rotate, the belt pulley 203 drives the transmission belt 204 to drive the clamping plate 208 to move, the clamping plate 208 drives the left and right moving plate 206, the left and right moving plate 206 is moved to adjust the left and right position of the spray head 7 of the code spraying device, the left and right moving slide block 207 is arranged on the left and right moving plate 206, the left and right moving slide block 207 is slidably matched with the left and right moving slide rail 202, so that the left and right moving plate 206 moves smoothly, and the left and right position of the spray head 7 is adjusted more flexibly, thereby improving the flexibility of the code spraying device.
The back and forth moving assembly 3 comprises a back and forth moving side plate 301, a back and forth moving screw rod 303 and a second motor 304, the back and forth moving side plate 301 is of a U-shaped structure, one end of the back and forth moving side plate 301 is fixed on one side of the left and right moving plate 206 through bolts, the back and forth moving slide rail 302 is welded on the upper end and the lower end of one side of the back and forth moving side plate 301 in a horizontal mode, the back and forth moving screw rod 303 is in rotating fit with one side of the back and forth moving side plate 301 close to the back and forth moving slide rail 302, the second motor 304 is horizontally arranged at one end, far away from the left and right moving plate 206, of the back and forth moving side plate 301, one end of the second motor 304 is connected with the back and forth moving screw rod 303 through a rotating shaft, and is driven by the second motor 304, so that the screw rod 303 rotates.
The lifting assembly 4 comprises a lifting side plate 401, a lifting screw rod 405 and a lifting plate 5, wherein the lifting side plate 401 is vertically arranged, two front and rear moving sliding blocks 402 and a front and rear moving nut 403 are welded on one side of the lifting side plate 401, which is close to the front and rear moving assembly 3, the two front and rear moving sliding blocks 402 are respectively in sliding fit with the two front and rear moving sliding rails 302, the lifting side plate 401 is in sliding fit with the two front and rear moving sliding rails 302 through the two front and rear moving sliding blocks 402, the front and rear moving nuts 403 are in threaded fit with the front and rear moving screw rod 303, lifting sliding rails 404 are vertically welded on two ends of one side of the lifting side plate 401, which is far away from the front and rear moving sliding blocks 402, a lifting screw rod 405 is vertically in rolling fit with one side of the lifting side plate 401, a third motor 406 is vertically installed on the top of the lifting side plate 401, the third motor 406 is connected with the lifting screw rod 405 through a rotating shaft, the front and rear moving nuts 403 are respectively moved, the lifting side plate 401 is driven by the rotating screw rod 403, the lifting side plate 401 is further moved forward and rear by the front and rear moving nuts 401, the position of the spray nozzle 7 of the spray device is adjusted forward and rear, the front and rear moving device is further adjusted, the front and rear moving device is further smoothly, and the lifting side plate 402 is more easily welded on one side of the lifting side plate 401, and the front and rear moving device is more easily moved by the front and rear moving slide device.
One side of the lifting plate 5, which is close to the lifting assembly 4, is welded with two lifting sliding blocks 501 and one lifting nut 502 respectively, the two lifting sliding blocks 501 are in sliding fit with the two lifting sliding rails 404 respectively, the lifting plate 5 is in sliding fit with the two lifting sliding rails 404 through the two lifting sliding blocks 501, the lifting nut 502 is in threaded fit with the lifting screw rod 405, the lifting nut 502 moves on the lifting screw rod 405 through rotating the lifting screw rod 405, the lifting nut 502 drives the lifting plate 5 to move up and down, the height of the spray head 7 is adjusted, the lifting sliding blocks 501 are welded on the lifting plate 5, the lifting sliding blocks 501 are in sliding fit with the lifting sliding rails 404, the lifting plate 5 moves up and down more smoothly and stably, and the spray head 7 is adjusted up and down more flexibly, so that the using flexibility of the spray device is further improved.
The cross sections of the left and right moving slide rail 202 and the front and back moving slide rail 302 are in an I-shaped structure, a first sliding groove matched with the left and right moving slide rail 202 is formed in one side of the left and right moving slide block 207, the left and right moving slide block 207 is in sliding fit with the left and right moving slide rail 202 through the first sliding groove, a second sliding groove matched with the front and back moving slide rail 302 is formed in one side of the front and back moving slide block 402, the front and back moving slide block 402 is in sliding fit with the front and back moving slide rail 302 through the second sliding groove, the cross section of the lifting slide rail 404 is in an I-shaped structure, a third sliding groove matched with the lifting slide rail 404 is formed in one side of the lifting slide block 501, the cross section or the cross section of the lifting slide rail 501 is in an I-shaped structure through the third sliding groove, and the first sliding groove, the second sliding groove and the third sliding groove are formed in the left and right moving slide block 207, the front and back moving slide block 402 and the lifting slide block 501 respectively, so that the front and back position of the code spraying device is adjusted more safely, the reliability of the code spraying device is improved, and the reliability of the code spraying device is improved.
The connecting assembly 9 comprises a hydraulic cylinder 901, a connecting frame 903 and a connecting block 904, wherein the hydraulic cylinder 901 is vertically fixed at the top of the supporting arm 8, the top of the hydraulic cylinder 901 is provided with a hydraulic rod 902, the top of the hydraulic rod 902 is fixedly connected with the connecting frame 903 in an inverted U-shaped structure, two ends of the connecting frame 903 downwards penetrate through the supporting arm 8, two ends of the connecting frame 903 are in sliding fit with the supporting arm 8, two ends of the bottom of the connecting frame 903 are fixedly provided with the connecting block 904, and the positioning frame 10 is fixed with the connecting block 904 through bolts.
The offset printing method for replacing the traditional two-dimensional code printing process has the working principle that the code printing device is used for: firstly, the positioning frame 10 is pressed downwards to enable the positioning screw 12 to be pressed on the side of paper needing to be printed with the two-dimension code, the paper is fixed, further, the paper is prevented from moving in the printing process to cause printing failure, the printing success rate of the two-dimension code by the code printing device is improved, the use reliability of the code printing device is improved, meanwhile, the positioning screw 12 is in threaded fit connection with the clamping strip 11, the positioning screw 12 can adjust the upper and lower height through rotation, the pressure of the positioning screw 12 to the paper is adjusted, the paper is prevented from being stamped or stamped at the bottom of the positioning screw 12, the quality of a processed two-dimension code product is prevented from being influenced, then, the belt pulley 203 is driven to rotate through the first motor 205, and the belt pulley 203 drives the driving belt 204 to drive, the clamping plate 208 is driven to move through the driving belt 204, the clamping plate 208 drives the left and right moving plate 206, the left and right moving plate 206 is moved, the left and right positions of the spray head 7 of the code spraying device are adjusted, the screw rod 303 is driven by the second motor 304 to rotate, the front and back moving nut 403 is moved by rotating the screw rod 303, the front and back moving nut 403 drives the lifting side plate 401, the lifting side plate 401 is moved back and forth, the position of the spray head 7 of the code spraying device is adjusted back and forth, the front and back moving slide block 402 is welded on one side of the lifting side plate 401, the front and back moving slide block 402 is in sliding fit with the front and back moving slide rail 302, the front and back moving of the lifting side plate 401 is smoother, the front and back adjustment of the spray head 7 is more flexible, the using flexibility of the code spraying device is further improved, the lifting screw rod 405 is driven by the third motor 406, through rotating lift lead screw 405, make lift nut 502 remove on lift lead screw 405, lift nut 502 drives lifter plate 5, make lifter plate 5 reciprocate, and then adjust the height of shower nozzle 7, through welding lift slider 501 on lifter plate 5, and with lift slider 501 and lift slide rail 404 sliding fit, make lifter plate 5 reciprocate smoother and more stable, and then make shower nozzle 7 adjust more nimble about, thereby further improve the flexibility that this code device used, finally, through setting up about moving subassembly 2, about moving subassembly 3 and lift subassembly 4, make the shower nozzle 7's on the code device position can be adjusted from side to side and from top to bottom, thereby the flexibility that the code device used has been improved, through making shower nozzle 7 can nimble adjust, it is convenient to carry out two-dimensional code printing processing for adjusting the shower nozzle, through moving subassembly 2 about and about moving subassembly 3 carries out the front and back to the shower nozzle 7 position and adjusts, the cooperation electric eye sensor 6 carries out the discernment, can carry out quick location to shower nozzle 7, make shower nozzle 7 spout the accurate position and more print the position, thereby the position of the code device can be adjusted to the best with the best position of the code device, the distance can be adjusted to the best position of the code device is printed with the paper, the position of the code device is adjusted, and the distance device is adjusted, the distance can be more accurate with the position of the code device is adjusted, the position of the paper is printed and the device is printed and the paper is adjusted.
The foregoing is merely illustrative and explanatory of the principles of the invention, as various modifications and additions may be made to the specific embodiments described, or similar thereto, by those skilled in the art, without departing from the principles of the invention or beyond the scope of the appended claims.
Claims (9)
1. An offset printing method for replacing the traditional two-dimensional code spraying process is characterized by comprising the following steps of: the method comprises the following specific steps of paper processing, offset printing processing, conveying and code spraying:
s1, paper processing: selecting paper with the thickness range of 0.08-0.2mm, heating a hot roller for soft roller calendering to 50-80 ℃, and carrying out calendering treatment on the paper through the hot roller for soft roller calendering;
s2, offset printing: the paper subjected to soft calendaring treatment is placed into an offset press, fixed character patterns and two-dimensional code fixed frames are printed on the paper through the offset press, and the paper printed through the offset press is placed into a dryer for drying for 3-8min;
s3, transmitting: the paper printed and dried by the printer is placed on a conveyor belt, and four corners of the paper are fixed by clips;
s4, code spraying: the code spraying device is moved beside a conveyor belt, a supporting base table (1) of the code spraying device is fixed on one side of the top of the conveyor belt through bolts, paper printed and dried by a printing machine is conveyed to the lower side of the code spraying device through the conveyor belt, a hydraulic cylinder (901) on a connecting component (9) drives a hydraulic rod (902) to move, the hydraulic rod (902) drives a connecting frame (903) to move, the height of a positioning frame (10) arranged at the bottom of the connecting frame (903) is adjusted through the moving connecting frame (903), the positioning frame (10) is pressed downwards through adjusting the height of the positioning frame (10), the positioning frame (10) is sleeved outside the paper on the conveyor belt, the offset that produces in the paper conveying process is rectified, when making locating frame (10) push down through adjusting set screw (12), set screw (12) are fixed the paper, discern the paper after offset printing through electric eye sensor (6), and on feeding back the recognition result to the PLC controller, handle the data through the PLC controller, and control the device through PLC and control the device and control the position of moving subassembly (2), back-and-forth movement subassembly (3) and lifting unit (4) to shower nozzle (7), adjust shower nozzle (7) to the region that the paper needs spouting the changeable two-dimensional code of seal, spout the appointed position of the changeable two-dimensional code of seal to paper surface through shower nozzle (7).
2. The offset printing method for replacing the traditional two-dimensional code spraying process according to claim 1, wherein the offset printing method is characterized in that: the thickness range of the paper selected in the step S1 is 0.1-0.15mm, the hot roller calendered by the soft roller is heated to 60-75 ℃, and the drying time of the dryer in the step S2 is 4.5-6.6min.
3. The offset printing method for replacing the traditional two-dimensional code spraying process according to claim 1, wherein the offset printing method is characterized in that: the code spraying device in the step S4 comprises a support base table (1), a left moving component (2), a right moving component (3), a lifting component (4) and a positioning frame (10), wherein the support base table (1) is fixed on one side of the top of a mounting belt through bolts, the left moving component (2) and the right moving component (2) are horizontally welded on one side of the support base table (1) close to the conveyor belt, the front moving component (3) and the rear moving component (2) are horizontally and slidably matched on one side of the support base table (1) away from the left moving component and the right moving component (2), the front moving component (3) and the right moving component (2) are vertically arranged, the lifting component (4) is horizontally and slidably matched on one side of the lifting component (4) away from the front moving component and the rear moving component (3) and is vertically provided with a lifting plate (5), an electric eye sensor (6) and a spray head (7) are respectively arranged on one side of the lifting plate (5) away from the lifting component (4), a supporting arm (8) is fixedly arranged at two ends of the left moving component (2), and the two supporting arms (8) are connected with the two positioning frame (10), and the two positioning frame (9) are arranged on the positioning frame;
the positioning frame (10) is of a 'mouth-shaped structure', clamping strips (11) are welded on inner side walls at two ends of the positioning frame (10), the sections of the two clamping strips (11) are of inverted 'L' -shaped structures, and a plurality of positioning screws (12) are in threaded fit with the tops of the two clamping strips (11).
4. The offset printing method for replacing the conventional two-dimensional code spraying process according to claim 3, wherein the offset printing method is characterized in that: the left-right moving assembly (2) comprises a left-right moving side plate (201), a left-right moving slide rail (202) and a left-right moving plate (206), wherein the left-right moving side plate (201) is horizontally welded on the upper part of one side of the supporting base table (1), two left-right moving slide rails (202) are horizontally welded on one side of the left-right moving side plate (201) far away from the supporting base table (1), the two left-right moving slide rails (202) are respectively positioned at the upper end and the lower end of the left-right moving side plate (201), the two ends of the left-right moving side plate (201) far away from one side of the supporting base table (1) are respectively matched with belt pulleys (203) in a rotating way, a driving belt (204) is sleeved on the two belt pulleys (203), one end of a left and right moving side plate (201) close to one side of a supporting base table (1) is horizontally provided with a first motor (205), one end of the first motor (205) is connected with one of belt pulleys (203) through a rotating shaft, the upper end and the lower end of one side of a left and right moving plate (206) are respectively fixed with left and right moving sliding blocks (207), the two left and right moving sliding blocks (207) are respectively in sliding fit with two left and right moving sliding rails (202), the left and right moving plate (206) is in sliding fit with the two left and right moving sliding rails (202) through the two left and right moving sliding blocks (207), a clamping plate (208) is fixed on one left and right moving sliding block (207), the clamping plate (208) is fixedly clamped on the transmission belt (204).
5. The offset printing method for replacing the traditional two-dimensional code spraying process according to claim 4, wherein the offset printing method is characterized in that: the front-back moving assembly (3) comprises a front-back moving side plate (301), a front-back moving screw rod (303) and a second motor (304), the front-back moving side plate (301) is of a U-shaped structure, one end of the front-back moving side plate (301) is fixed on one side of the left-right moving plate (206) through bolts, front-back moving sliding rails (302) are horizontally welded at the upper end and the lower end of one side of the front-back moving side plate (301), the front-back moving screw rod (303) is in running fit with one side, close to the front-back moving sliding rails (302), of the front-back moving side plate (301), the second motor (304) is horizontally arranged on one end, far away from the left-right moving plate (206), of the front-back moving side plate (301), and one end of the second motor (304) is connected with the front-back moving screw rod (303) through a rotating shaft.
6. The offset printing method for replacing the traditional two-dimensional code spraying process according to claim 5, wherein the offset printing method is characterized in that: lifting component (4) are including lifting side board (401), lifting screw (405) and lifter plate (5), lifting side board (401) are vertical setting, lifting side board (401) are close to one side welding of back-and-forth movement subassembly (3) has two back-and-forth movement slider (402) and a back-and-forth movement nut (403), two back-and-forth movement slider (402) respectively with two back-and-forth movement slide rail (302) sliding fit, lifting side board (401) are on two back-and-forth movement slide rail (302) through two back-and-forth movement slider (402) sliding fit, back-and-forth movement nut (403) screw fit is on back-and-forth movement screw (303), lifting side board (401) keep away from the both ends of back-and-forth movement slider (402) one side and all vertically weld lifting slide rail (404), lifting side board (401) are kept away from back-and-forth movement slider (402) one side vertical running fit has lifting screw (405), third motor (406) are vertically installed at the top of lifting side board (401), third motor (406) are connected with lifting screw (405) through the pivot.
7. The offset printing method for replacing the traditional two-dimensional code spraying process according to claim 6, wherein the offset printing method is characterized in that: one side of the lifting plate (5) close to the lifting assembly (4) is welded with two lifting sliding blocks (501) and one lifting nut (502) respectively, the two lifting sliding blocks (501) are in sliding fit with the two lifting sliding rails (404) respectively, the lifting plate (5) is in sliding fit with the two lifting sliding rails (404) through the two lifting sliding blocks (501), and the lifting nut (502) is in threaded fit with the lifting screw rod (405).
8. The offset printing method for replacing the traditional two-dimensional code spraying process according to claim 7, wherein the offset printing method is characterized in that: the cross sections of the left and right moving sliding rail (202) and the front and back moving sliding rail (302) are of an I-shaped structure, a first sliding groove matched with the left and right moving sliding rail (202) is formed in one side of the left and right moving sliding block (207), the left and right moving sliding block (207) is in sliding fit with the left and right moving sliding rail (202) through the first sliding groove, a second sliding groove matched with the front and back moving sliding rail (302) is formed in one side of the front and back moving sliding block (402), the front and back moving sliding block (402) is in sliding fit with the front and back moving sliding rail (302) through the second sliding groove, a third sliding groove matched with the lifting sliding rail (404) is formed in one side of the lifting sliding rail (404), and the lifting sliding block (501) is in sliding fit with the lifting sliding rail (404) through the third sliding groove.
9. The offset printing method for replacing the conventional two-dimensional code spraying process according to claim 3, wherein the offset printing method is characterized in that: coupling assembling (9) include pneumatic cylinder (901), link (903) and connecting block (904), the top at trailing arm (8) is vertically fixed to pneumatic cylinder (901), the top of pneumatic cylinder (901) is equipped with hydraulic stem (902), the top fixedly connected with of hydraulic stem (902) is link (903) of inversion "U" style of calligraphy structure, link (903) both ends all run through trailing arm (8) downwards, and link (903) both ends all with trailing arm (8) sliding fit, link (903) bottom both ends all are fixed with connecting block (904), locating frame (10) are fixed with connecting block (904) through the bolt.
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| CN114454619A (en) * | 2022-03-09 | 2022-05-10 | 辽宁石油化工大学 | Automatic code spraying equipment for two-dimensional codes of printing paper |
| CN114872462B (en) * | 2022-04-26 | 2024-06-14 | 凸版艺彩(东莞)印刷有限公司 | Flexible printing method and printing equipment |
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| CN114103424A (en) | 2022-03-01 |
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