CN217395991U - High-precision registering mechanism for line embossing of gravure press - Google Patents
High-precision registering mechanism for line embossing of gravure press Download PDFInfo
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- CN217395991U CN217395991U CN202220581687.2U CN202220581687U CN217395991U CN 217395991 U CN217395991 U CN 217395991U CN 202220581687 U CN202220581687 U CN 202220581687U CN 217395991 U CN217395991 U CN 217395991U
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- 238000004049 embossing Methods 0.000 title claims abstract description 58
- 230000007246 mechanism Effects 0.000 title claims abstract description 57
- 238000007639 printing Methods 0.000 claims abstract description 73
- 239000000523 sample Substances 0.000 claims description 32
- 230000001360 synchronised effect Effects 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 8
- 238000007646 gravure printing Methods 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 abstract 1
- 238000012536 packaging technology Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a gravure press line embossing high accuracy registration mechanism relates to the packaging technology field, can acquire each item real-time data of paper on the gravure press in real time, carry out the data sharing with it and each adjusting device of rear end embossing mechanism, the utility model discloses leading and rearmounted different signal acquisition mechanism has been set up respectively, read vertical interval and the axial spacing data of the pattern that needs registration on concave printing plate, printing paper and the embossing paper respectively, and the figure pulse wave of the different colour lines of the corresponding easy contrast of generating with pattern quantity, the figure pulse wave that a plurality of signal acquisition mechanism obtained overlaps the contrast, whether the dislocation appears and leads to embossing inaccurate in the pattern that can discern each station comparatively directly perceivedly, can be according to colour short-term confirmation and where takes place the dislocation simultaneously, and adjust servo motor or the supporting mechanism of paper deflector roll through the leading synchrogovernor of signal processor control or rearmounted synchrogovernor And the registration precision is ensured.
Description
Technical Field
The invention relates to the technical field of packaging, in particular to a reverse paper uncovering vacuum adsorption stripping device of a large-amplitude flat pressing flat stamping machine.
Background
Embossing process, also known as embossing, is a special processing technique for processing the surface of a printed matter, and uses a concave-convex mould to make a base material of the printed matter generate plastic deformation under the action of certain pressure so as to perform artistic processing on the surface of the printed matter. The embossed convex patterns and figures show different patterns with different depths, and have obvious relief sense, thereby enhancing the stereoscopic impression and artistic appeal of printed works.
The existing embossing mechanism is basically independent outside printing equipment, adopts independent transmission and comprises a concave template and a convex template, wherein the concave template and the convex template correspond to each other in a positive-negative mode, printing stock is placed between the concave template and the convex template during embossing, and the embossed concave-convex graphics are pressed out by applying larger pressure. Along with the popularization of the application of the high-speed printing technology represented by the gravure press, the embossing mechanism is changed into the operation of simultaneously operating on line with the printing equipment, but when the high-speed printing production is matched, the traditional embossing mechanism cannot be accurately matched with the tracking registration of a printing unit, the axial registration needs to be manually adjusted, and the vertical registration is carried out through the paper pressing roller, so that the adjusting precision is low, and the printing stock is easily caused to become secondary waste products.
Disclosure of Invention
For solving prior art the problem that gravure press embossing mechanism registration accuracy is low, the utility model provides a gravure press line embossing high accuracy registration mechanism can acquire each item real-time data of printing paper on the gravure press in real time, carries out the data sharing with each adjusting device of rear end embossing mechanism with it to adjust and adjust in advance and the real-time of printing paper for the adjustment foundation, the double-barrelled is together, and the at utmost improves embossing mechanism's registration accuracy, finally improves embossing product's quality.
In order to achieve the purpose, the invention adopts the following technical scheme: the gravure press connecting line embossing high-precision registration mechanism is characterized by comprising a front printing paper signal acquisition mechanism, an embossing mechanism, a rear printing paper signal acquisition mechanism and a signal processor, wherein the front printing paper signal acquisition mechanism and the embossing mechanism are arranged on the gravure press;
the pre-positioned printing paper signal acquisition mechanism comprises a printing paper unwinding roller, a printing paper traction roller, a gravure plate group, a printing plate pattern acquisition probe, a printing plate pattern registration controller, a paper pattern registration controller and a pre-positioned synchronous regulator;
the printing paper unwinding roller and the printing paper winding roller adopt split rotating shafts, the gravure plate group comprises a concave printing plate and a rubber roller which are opposite, a printing plate pattern acquisition probe is arranged on the side of the concave printing plate to detect the longitudinal distance of patterns on the concave printing plate, and the printing plate pattern acquisition probe is connected with a printing plate pattern registration controller; a printing pattern acquisition probe is arranged above the rubber roller to detect the axial distance of the patterns on the printed paper and is connected with a paper pattern registration controller; the printing plate pattern registration controller and the paper pattern registration controller are connected and commonly connected to the preposed synchronous regulator.
The embossing mechanism is arranged at the outlet end of the gravure printing machine and respectively comprises a paper feeding roller pair, a paper feeding guide roller, an embossing roller pair, a paper discharging guide roller and a paper discharging roller pair, wherein the embossing roller pair is divided into a concave roller arranged above and a convex roller arranged below, and the driving ends of the concave roller and the convex roller are meshed through a synchronous gear to realize synchronous rotation.
Rearmounted printing paper signal acquisition mechanism sets up on protruding mechanism presses, including setting up the paper tension sensor at the roll surface of paper feed deflector roll and paper contact position, sets up protruding line collection probe and the setting of protruding pair roller paper outlet department of pressing below the protruding roller are gathered the probe, simultaneously, still are provided with protruding line registration controller and the embossing pattern registration controller that is connected with protruding line collection probe and embossing pattern collection probe respectively, and the two is connected to on the rearmounted synchro regulator jointly.
Preferably, in order to eliminate errors generated by the transmission of the concave roller and the convex roller of the embossing pair roller through a synchronous gear, the driving ends of the concave roller and the convex roller of the embossing pair roller are respectively provided with an independent servo motor to realize rotation control.
Preferably, for promoting the regulation effect to paper registration accuracy, will the both ends supporting mechanism of printing paper carry over pinch rolls, paper feed deflector roll to and play paper deflector roll sets up to the structure that can all-roundly carry out position control in same longitudinal section, and the arbitrary one end homoenergetic of above-mentioned roll form component promptly carries out the position change all around about can, realizes adjusting the curling that leads to taking place because of axial tension nonconformity in the paper transmission process.
Has the advantages that:
gravure press even line press protruding high accuracy registration mechanism can cooperate the production on line with high-speed gravure press, the registration precision is high, the product quality of pressing protruding is good. The utility model discloses leading different signal acquisition mechanism with the postposition has been set up respectively, with concave printing plate, the longitudinal separation and the axial spacing data of the pattern that need the registration on printing paper and the embossed paper read respectively, and generate the figure pulse wave of the different colour lines that easily contrast with pattern quantity is corresponding, the figure pulse wave that a plurality of signal acquisition mechanism obtained overlaps the contrast, whether the pattern that can discern each station comparatively directly perceivedly appears the dislocation and leads to the embossing inaccurate, can confirm simultaneously according to the colour fast where takes place the dislocation, and adjust through the supporting mechanism that leading synchro regulator of signal processor control or postposition synchro regulator moved servo motor or paper deflector roll, ensure the registration precision.
Drawings
Fig. 1 is a schematic structural diagram of the present application.
Fig. 2 is a schematic view of the embossing roll and the adjustment described in the present application.
Fig. 3 is a schematic diagram illustrating the structure and adjustment of the two end supporting mechanisms of the printing paper pulling roller, the paper feeding guide roller and the paper discharging guide roller according to the present invention.
In the figure: the device comprises a signal processor 1, a printing paper unwinding roller 2, a printing paper traction roller 3, a gravure plate 4, a rubber roller 5, a printing plate pattern acquisition probe 6, a printing pattern acquisition probe 7, a printing plate pattern registration controller 8, a paper pattern registration controller 9, a front synchronous regulator 10, a paper feeding pair roller 11, a paper feeding guide roller 12, a paper discharging guide roller 13, a paper discharging pair roller 14, a concave roller 15, a convex roller 16, a convex pattern acquisition probe 17, an embossing pattern acquisition probe 18, a convex pattern registration controller 19, an embossing pattern registration controller 20, a rear synchronous regulator 21, a servo motor 22 and a spherical bearing 23.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
When the gravure press connecting line embossing high-precision registration mechanism works, firstly, the gravure press and the embossing mechanism operate, the longitudinal distance of patterns on the gravure plate 4 is detected through a printing plate pattern acquisition probe 6 arranged right in front of the gravure plate 4, and the patterns are converted into red square pulse wave patterns through a signal processor 1 connected with the longitudinal distance; detecting the axial distance of the pattern on the printed paper by a printing pattern acquisition probe 7 arranged on the side of the rubber roller, and converting the axial distance into a green square pulse wave pattern by a signal processor 1 connected with the axial distance; the longitudinal distance of the convex patterns and the axial distance of the embossed patterns are respectively detected by a convex pattern acquisition probe 17 arranged below the convex roller 16 and an embossed pattern acquisition probe 18 arranged above an embossing roller paper outlet, then the convex patterns and the embossed patterns are respectively converted into white and black square pulse wave patterns by a signal processor 1, the four square pulse wave patterns with different colors are jointly transmitted to a controller for display, the pulse wave patterns converted by the longitudinal distance of the patterns on the gravure plate 4 and the axial distance of the embossed patterns are used as reference signals, namely, red and black square pulse wave patterns are used as reference signals, white is corresponding to red, green is corresponding to black, the controller is connected with a front synchronous regulator 10 and a rear synchronous regulator 21, and a servo motor 22 or a supporting mechanism of a paper guide roller corresponding to each part is controlled in real time for regulation.
The output red and white square pulse wave patterns are calibrated once the gravure plate 4 rotates for one circle; meanwhile, the embossing pair roller rotates for a circle, and the output green and black square pulse wave patterns are calibrated for one time; the two square pulse wave patterns of each group are overlapped, and the longitudinal distance of the patterns on the gravure plate 4, the longitudinal distance of the patterns on the embossed paper, the axial distance of the gravure patterns and the axial distance of the embossing patterns are successfully registered; if the patterns are staggered, the controller sends real-time longitudinal or axial deviation-correcting signals to the corresponding front synchronous regulator 10 or rear synchronous regulator 21, and then the servo motor 22 and the like are controlled to carry out regulation.
As shown in fig. 1, the gravure press connection embossing high-precision registration mechanism is used for image-text pressing by means of a concave roller 15 and a convex roller 16, and is characterized by comprising a preposed printing paper signal acquisition mechanism and an embossing mechanism which are arranged on the gravure press, a postpositional printing paper signal acquisition mechanism arranged on the embossing mechanism, and a signal processor 1 connected with the preposed printing paper signal acquisition mechanism and the postpositional printing paper signal acquisition mechanism;
the preposed printing paper signal acquisition mechanism comprises a printing paper unwinding roller 2, a printing paper traction roller 3, a gravure plate 4, a rubber roller 5, a printing plate pattern acquisition probe 6, a printing pattern acquisition probe 7, a printing plate pattern registration controller 8, a paper pattern registration controller 9 and a preposed synchronous regulator 10;
the printing paper unreeling roller 2 adopts a split type rotating shaft, the gravure plate 4 and the rubber roller 5 are arranged up and down oppositely, a printing plate pattern acquisition probe 6 is arranged on the side of the gravure plate 4 to detect the longitudinal distance of the patterns on the gravure plate 4, and is connected with a printing plate pattern registration controller 8; a printing pattern acquisition probe 7 is arranged above the rubber roller 5 for detecting the axial distance of the patterns on the printed paper and is connected with a paper pattern registration controller 9; the plate pattern registration controller 8 and the paper pattern registration controller 9 are connected to a pre-synchronization regulator 10.
The embossing mechanism is arranged at the outlet end of the gravure printing machine and respectively comprises a paper feeding roller pair 11, a paper feeding guide roller 12, an embossing roller pair, a paper discharging guide roller 13 and a paper discharging roller pair 14, wherein the embossing roller pair is divided into a concave roller 15 arranged above and a convex roller 16 arranged below, and the driving ends of the concave roller 15 and the convex roller 16 are meshed through synchronous gears to realize synchronous rotation.
Rearmounted printing paper signal acquisition mechanism sets up on protruding mechanism presses, including setting up the paper tension sensor at the roll surface of paper feed deflector roll 12 and paper contact position, sets up protruding line collection probe 17 and the embossing pattern collection probe 18 of setting above pressing protruding pair roller exit slot of protruding roller 16 below, simultaneously, still be provided with respectively with protruding line collection probe 17 and the embossing pattern collection probe 18 be connected protruding line register controller 19 and embossing pattern register controller 20, the two is connected to on the rearmounted synchro regulator 21 jointly.
As shown in fig. 2 and 3, in order to eliminate the error generated by the synchronous gear transmission between the concave roller 15 and the convex roller 16 of the embossing pair roller, the driving ends of the concave roller 15 and the convex roller 16 of the embossing pair roller are respectively provided with an independent servo motor 22 to realize rotation control.
In addition, for promoting the regulation effect to paper registration accuracy, will printing paper carry over pinch rolls 3, paper feed deflector roll 12 to and go out the both ends supporting mechanism of paper deflector roll 13 and set up to the structure that can all-roundly carry out position control in same longitudinal section through spherical bearing 23, and the arbitrary one end of above-mentioned roller form component all can be about from top to bottom carries out position change in the whole week promptly, realizes adjusting the curling that leads to the emergence because of axial tension nonconformity in the paper transmission process.
Claims (2)
1. The gravure press is connected with a line embossing high-precision registration mechanism, and the image-text pressing is carried out by a concave-convex pair roller, and the gravure press is characterized by comprising a preposed printing paper signal acquisition mechanism and an embossing mechanism which are arranged on the gravure press, a postpositional printing paper signal acquisition mechanism which is arranged on the embossing mechanism, and a signal processor (1) which is connected with the preposed printing paper signal acquisition mechanism and the postpositional printing paper signal acquisition mechanism;
the front printing paper signal acquisition mechanism comprises a printing paper unwinding roller (2), a printing paper traction roller (3), a gravure plate (4), a rubber roller (5), a printing plate pattern acquisition probe (6), a printing pattern acquisition probe (7), a printing plate pattern registration controller (8), a paper pattern registration controller (9) and a front synchronous regulator (10);
the printing paper unreeling roller (2) adopts a split type rotating shaft, the gravure plate (4) and the rubber covered roller (5) are arranged up and down oppositely, a printing plate pattern acquisition probe (6) is arranged on the side of the gravure plate (4) to detect the longitudinal distance of the patterns on the gravure plate (4), and is connected with a printing plate pattern registration controller (8); a printing pattern acquisition probe (7) is arranged above the rubber roller (5) to detect the axial distance of the patterns on the printed paper and is connected with a paper pattern registration controller (9); the printing plate pattern registration controller (8) and the paper pattern registration controller (9) are connected and are connected to a front synchronous regulator (10);
the embossing mechanism is arranged at the outlet end of the gravure printing machine and respectively comprises a paper feeding roller pair (11), a paper feeding guide roller (12), an embossing roller pair, a paper discharging guide roller (13) and a paper discharging roller pair (14), wherein the embossing roller pair is divided into a concave roller (15) arranged at the upper part and a convex roller (16) arranged at the lower part;
rearmounted printing paper signal acquisition mechanism sets up on protruding mechanism presses, including setting up the paper tension sensor at the roll surface of paper feed deflector roll (12) and paper contact position, sets up protruding line collection probe (17) and the embossing pattern collection probe (18) of setting above pressing protruding pair roller exit slot of protruding roller (16) below, simultaneously, still be provided with protruding line registration controller (19) and embossing pattern registration controller (20) that are connected with protruding line collection probe (17) and embossing pattern collection probe (18) respectively, the two is connected to on rearmounted synchro regulator (21) jointly.
2. The gravure press on-line embossing high-precision registration mechanism according to claim 1, wherein independent servo motors (22) are respectively provided at the driving ends of the concave roller (15) and the convex roller (16) of the embossing pair roller to realize rotation control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220581687.2U CN217395991U (en) | 2022-03-17 | 2022-03-17 | High-precision registering mechanism for line embossing of gravure press |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220581687.2U CN217395991U (en) | 2022-03-17 | 2022-03-17 | High-precision registering mechanism for line embossing of gravure press |
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| CN217395991U true CN217395991U (en) | 2022-09-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118238509A (en) * | 2024-04-02 | 2024-06-25 | 至远彩色印刷工业（惠州）有限公司 | An automatic positioning method for gravure inline embossing |
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2022
- 2022-03-17 CN CN202220581687.2U patent/CN217395991U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118238509A (en) * | 2024-04-02 | 2024-06-25 | 至远彩色印刷工业（惠州）有限公司 | An automatic positioning method for gravure inline embossing |
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