CN111516379A

CN111516379A - Tower-type UV printing system for reel material

Info

Publication number: CN111516379A
Application number: CN202010371059.7A
Authority: CN
Inventors: 秦永; 王�琦
Original assignee: Qingdao Sunna Electric Co ltd
Current assignee: Qingdao Sunna Electric Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2020-08-11
Anticipated expiration: 2040-05-06
Also published as: CN111516379B

Abstract

The invention relates to the field of printing equipment, in particular to a drum material tower type UV printing system, which comprises a roll paper feeding device, a tension control device, a printing tower, a UV drying device and a folding machine, wherein the roll paper feeding device, the tension control device, the printing tower, the UV drying device and the folding machine are sequentially arranged; the printing tower comprises at least two printing units arranged along the longitudinal direction, and each printing unit comprises a transmission shaft, a plate cylinder and a printing cylinder; the UV drying device is arranged at the top of the printing tower and comprises two groups of UV driers which are perpendicular to the paper tape. The invention sets the whole set of procedures of paper feeding, printing, drying and folding in one set of equipment, can finish the production of finished products of printed products at one time, shortens the paper path and improves the printing efficiency; the printing units are arranged in a tower type, the UV drying device is arranged at the top of the printing tower, the paper printing ink is fully dried, and no additional cooling and humidifying device is needed, so that the equipment is simple and is convenient to install and operate; the paper is suitable for various printed matter paper types, and the application range is wide.

Description

Tower-type UV printing system for reel material

Technical Field

The invention relates to the field of printing equipment, in particular to a drum material tower type UV printing system.

Background

The paper through the printing equipment needs to be dried to avoid the image of the printed matter from being stained and smeared due to the undried ink, and the traditional hot drying and cooling and humidifying mode needs long time along with the improvement of printing efficiency and the quality of the printed matter in the printing production of a book and periodical machine, so that the requirement of printing speed cannot be met. At present, partial single-sheet printing equipment adopts a UV device to improve the ink drying efficiency, but the UV drying equipment which is independently arranged can lead to the extension of a paper path, and can not be directly connected to the next procedure, so that the printing efficiency can not be improved.

Disclosure of Invention

The invention aims to solve the problems and provides a drum tower type UV printing system, which continuously arranges paper feeding, printing, drying and folding in a set of system so as to effectively improve the production efficiency of printed finished products. The technical scheme is as follows:

the reel material tower type UV printing system comprises a reel paper feeding device, a tension control device, a printing tower, a UV drying device and a folding machine which are sequentially arranged; the printing tower comprises at least two printing units arranged along the longitudinal direction, and each printing unit comprises a transmission shaft, a plate cylinder and a printing cylinder; the UV drying device is arranged at the top of the printing tower and comprises two groups of UV driers which are perpendicular to the paper tape.

On the basis of the scheme, the two groups of UV dryers are arranged in parallel along the horizontal direction, the UV illumination directions are the same, and two paper guide rollers parallel to the paper tape are arranged above the two groups of UV dryers respectively.

On the basis of the scheme, the number of each group of UV driers is multiple, and the UV driers are arranged in parallel along the vertical direction.

Preferably, the folding machine includes top registration unit, is used for carrying out first set square, guide roll, cutting cylinder, the needle cylinder of folding paper and the cylinder of depositing of indulging the book to the paper tape, top registration unit is including fixed deflector roll and removal deflector roll, the guide roll is including setting up the second deflector roll in the first deflector roll of set square lower extreme both sides and below, the cutting cylinder sets up in second deflector roll below, and the outer fringe is provided with the cut-off knife along the axial, and the needle cylinder of folding paper rotates with the cutting cylinder cooperation relatively, and the needle cylinder outer fringe of folding paper is provided with prick needle and cuts the recess along the axial, it corresponds the setting with the cut-off knife to cut the recess, is provided with first book sword in the cutting recess, first book sword corresponds the setting with the first jaw of depositing the cylinder outer fringe, and deposit the cylinder below and set gradually first floral whorl and conveyer belt.

On the basis of the scheme, the relative cylinder diameter ratio of the cutting cylinder, the folding needle cylinder and the page storage cylinder is 1:2: 2; the number of the cutting grooves is 2, the cutting grooves are respectively arranged corresponding to the positions of the cutting knives, and the inserting needles are symmetrically arranged at the central positions between the adjacent grooves along the axis of the roller of the folding needle; the number of the first jaws is 2.

Preferably, a central pair roller is arranged between the first guide roller and the second guide roller, and punching knives are arranged on the central pair roller at intervals along the axial direction; a double parallel book roller which is matched with the page storage roller and rotates relatively is arranged above the page storage roller, and the outer edge of the double parallel book roller is provided with a gripper and a second folding knife; the relative cylinder diameter ratio of the double parallel book rollers to the page storage roller is 1:2, second jaws corresponding to the positions of second folding knives are arranged on the outer edge of the page storage roller, and the number of the second jaws is 2.

Preferably, one side of the page storage cylinder, which is far away from the folding needle cylinder, is provided with a page conveying mechanism, the page conveying mechanism is a belt wheel mechanism, the belt is arranged along the direction perpendicular to the axis of the page storage cylinder, a second longitudinal folding cylinder is arranged above the belt in parallel with the belt, a third folding knife is arranged at the outer edge of the second longitudinal folding cylinder along the axis direction, second longitudinal folding rollers are arranged below the belt in pairs, the two second longitudinal folding rollers are symmetrically arranged along the axis of the second longitudinal folding cylinder in the same horizontal plane, a second pattern wheel parallel to the second longitudinal folding rollers is arranged below the second longitudinal folding rollers, and the second pattern wheel is arranged above the inner side of the belt.

Preferably, a ventilation duct is also included above the UV drying means.

Preferably, the printing tower is provided with a staircase or a lift on the side.

Preferably, the printing towers are at least two and are matched with a folding machine for use.

The invention has the beneficial effects that:

1. the whole set of processes of paper feeding, printing, drying and folding is arranged in one set of equipment by adopting a web paper tape, so that the finished product production of a printed product can be finished at one time, the paper path is shortened, and the printing efficiency is improved;

2. a plurality of printing units are arranged in a tower type, and the UV drying device is arranged at the top of the printing tower, so that the floor area of the equipment is reduced, and double-sided color printing can be realized; the UV drying device is adopted to fully dry the printing ink on the surface of the paper, and no additional cooling and humidifying device is needed, so that the equipment is simple and convenient to install and operate;

3. the UV drying mode is adopted, so that the method is suitable for various printed matter paper types, and the application range is wide;

4. the device connects the paper folding machine at last, can realize cutting, twice horizontal folding, twice vertical folding of paper, can satisfy the processing requirement of multiple seal article.

Drawings

FIG. 1: the invention has a schematic structure;

FIG. 2: a paper tape drying path diagram;

FIG. 3: 2, arranging a structure diagram of printing towers;

FIG. 4: a schematic structural diagram of the folding machine;

FIG. 5: center pair roller cross-sectional views;

FIG. 6: a cross-sectional view of the cutting cylinder;

FIG. 7: a tucker pin cylinder cross-sectional view;

FIG. 8: a schematic diagram of a double parallel folding process;

FIG. 9: a cross-sectional view of a double parallel folding roller;

FIG. 10: the second longitudinal folding roller is schematically shown in the structure.

Detailed Description

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

As shown in fig. 1 and 2, the drum tower type UV printing system includes a web feeding device 1, a tension control device 2, a printing tower 3, a UV drying device, and a folding machine 6, which are sequentially provided; the printing tower 3 comprises at least two printing units 31 arranged along the longitudinal direction, each printing unit 31 comprises a transmission shaft, a plate cylinder 32 and a printing cylinder 33, ink is printed on the surface of paper between the two printing cylinders 33 through the plate cylinder 32 and the printing cylinder 33, and each printing unit 31 can finish printing of two colors of ink; the UV drying device is arranged at the top of the printing tower 3 and comprises two groups of UV dryers 41 which are perpendicular to the paper tape. One preferred drying method is to arrange two sets of UV dryers 41 symmetrically with respect to the paper tape, so as to directly dry the ink on both sides of the paper, save installation space, and shorten the time required for drying. Another preferred drying mode is that two groups of UV dryers 41 are arranged in parallel along the horizontal direction, and the UV illumination directions are the same, two paper guide rollers 42 parallel to the paper tape are respectively arranged above the two groups of UV dryers 41, the ink on one surface of the paper tape is dried by one group of UV dryers 41 in the vertical rising process of the paper tape, then the paper tape passes through the two paper guide rollers 42 and is vertical, horizontal and vertical again in a U-shaped path, and the ink on the other surface of the paper tape is dried by the other group of UV dryers 41 in the vertical process of the paper tape, the ink on the two surfaces of the paper tape is sequentially and respectively dried by the above structure, so that excessive water loss caused by simultaneous drying of the two surfaces is avoided, the quality of printed products can be improved, and the installation of an air cooling mechanism in. If the printing speed is accelerated, the number of each group of UV driers 41 can be set to be a plurality of, and the UV driers are respectively arranged in parallel along the vertical direction so as to meet the drying requirement of the printing ink on the paper tape.

As shown in fig. 4, 6 and 7, the folding machine 6 includes a top registration unit, a triangular plate 62 for first longitudinal folding of the web, guide rollers, a cutting cylinder 65, a folding pin cylinder 66, and a storing cylinder 671, adjacent guide rollers and cylinders being rotated relative to each other two by two. The top registration unit comprises a fixed guide roller 611 and a movable guide roller 612, the movable guide roller 612 is used for adjusting the cutting position of the paper tape and keeping the paper tape in a proper tensioning state, the guide rollers comprise a first guide roller 631 arranged on two sides of the lower end of the triangular plate 62 and a second guide roller 632 arranged below the first guide roller 631, the paper tape passes through the triangular plate 62 to complete first longitudinal folding, and the guide rollers are used for adjusting the tension of the paper tape. The cutting roller 65 is arranged below the second guide roller 632, the outer edge of the cutting roller is provided with a cutter 651 along the axial direction, the folding needle roller 66 and the cutting roller 65 are matched to rotate relatively, the outer edge of the folding needle roller 66 is provided with a needle 663 and a cutting groove 661 along the axial direction, the cutting groove 661 is arranged corresponding to the cutter 651, when a paper tape passes between the cutting roller 65 and the folding needle roller 66, the cutter 651 cuts the paper tape towards the cutting groove 661, cutting is completed, and the needle 663 pierces through the paper before the paper is cut by the blade, so that the paper is attached to the surface of the folding needle roller 66. A first folding knife 662 is arranged in the cutting groove 661, the first folding knife 662 is arranged corresponding to a first jaw 6711 at the outer edge of the page storage cylinder 671, the folding needle cylinder 66 drives the paper to rotate continuously until the center of the page signature is opposite to the first jaw 6711 of the page storage cylinder 671, the first folding knife 662 pushes the page signature into the first jaw 6711, the first transverse folding of the paper is completed, and the pricking needle 663 retracts when the first jaw 6711 clamps the page signature. The first paddle wheel 673 and the conveyor 69 are disposed in this order below the page holding roller 671 so that the page signature falls into the blades of the first paddle wheel 673 and then onto the conveyor 69 as the page holding roller 671 rotates. Preferably, the relative cylinder diameter ratio of the cutting cylinder 65, tucker pin cylinder 66 and storage cylinder 671 is 1:2: 2; the number of the cutting grooves 661 is 2, the cutting grooves 661 are respectively arranged corresponding to the position of the cutter 651, and the needle 663 is symmetrically arranged at the central position between the adjacent grooves along the axis of the folding needle roller 66; the number of the first jaws 6711 is 2, when the folding pin roller 66 rotates half a turn, the cutting roller 65 rotates one turn and prepares for cutting paper again, before cutting, the second group of needles 663 in the opposite direction of the first group will prick the paper tape, after cutting, the single cut page is controlled by the first group and the second group of needles respectively, thus continuously and repeatedly cutting the single sheet, and the two groups of needles 663 and the cutting groove 661 correspond to the two first jaws 6711.

The folding machine can also complete the second transverse folding, as shown in fig. 5, 8 and 9, a central pair of rollers 64 is arranged between the first guide roller 631 and the second guide roller 632, and the central pair of rollers 64 are provided with punching blades 641 at intervals along the axial direction; a double parallel folding roller 681 which is matched with the page storage roller 671 and rotates relatively is arranged above the page storage roller 671, and the outer edge of the double parallel folding roller 681 is provided with a gripper 6721 and a second folding knife 6722; the relative cylinder diameter ratio of the double parallel book roller 681 to the page storage roller 671 is 1:2, the outer edge of the page storage roller 671 is provided with second jaws 6712 corresponding to the positions of the second folding knives 6722, and the number of the second jaws 6712 is 2. The web of paper that has not been cut is perforated with intermittently disposed holes in the transverse direction by the central pair of rollers 64, after which the web is caused to pass through the cutting and first transverse fold as described above, clamped in the first nip 6711, the signature continues to rotate with its leading edge facing the double parallel fold cylinder 681 and held by the grippers 6721 so that the signature rotates with the double parallel fold cylinder 681, the second folding blade 6722 in the double parallel fold cylinder 681 pushes the signature back into the second nip 6712 of the storage cylinder 671 and the signature is sent to the first geneva 673 and placed on the conveyor belt 69 as previously described.

The folding machine can also complete a second longitudinal folding, as shown in fig. 4, a page-transferring mechanism 682 is arranged on one side of the page-storing cylinder 671 far away from the folding needle cylinder 66, the page-transferring mechanism 682 is a belt-pulley mechanism, wherein the belt is arranged along the direction vertical to the axis of the page-storing cylinder 671, a second longitudinal-folding cylinder 681 is arranged above the belt in parallel with the belt, a third folding knife 6811 is arranged at the outer edge of the second longitudinal-folding cylinder 681 along the axis, a second longitudinal-folding nip roller 683 is arranged below the belt in pairs, the two second longitudinal-folding nip rollers 683 are symmetrically arranged along the axis of the second longitudinal-folding cylinder 681 in the same horizontal plane, a second pattern wheel 684 parallel to the second longitudinal-folding nip roller 683 is arranged below the second longitudinal-folding nip roller 683, and the second pattern wheel 684 is arranged above. After the first transverse folding or the second transverse folding is completed, the page is sent to a second longitudinal folding roller 681 by a page conveying mechanism 682, pushed down between two second longitudinal folding nip rollers 683 by a third folding knife 6811, clamped and driven by the second longitudinal folding nip rollers 683 and falls into a second pattern wheel 684, and then is subjected to second longitudinal folding and falls onto a conveyor belt 69.

An air duct 7 is provided above the UV drying device, and harmful gas and hot air generated during printing and drying are discharged. The printing tower 3 is provided with the stair 5 or the lift in the side, is convenient for operating personnel to operate and overhaul.

Example 2

The difference between this embodiment and embodiment 1 is that, as shown in fig. 3, the number of printing towers 3 in the web tower UV printing system is at least two, and multiple sets of top registration units above the folding machine 6 are used with one folding machine 6 to meet the needs of multiple printed products, and reduce the occupied space and the number of used devices.

The present invention has been described above by way of example, but the present invention is not limited to the above-described specific embodiments, and any modification or variation made based on the present invention is within the scope of the present invention as claimed.

Claims

1. The reel material tower type UV printing system is characterized by comprising a reel paper feeding device (1), a tension control device (2), a printing tower (3), a UV drying device and a folding machine (6) which are sequentially arranged; the printing tower (3) comprises at least two printing units (31) arranged along the longitudinal direction, each printing unit (31) comprises a transmission shaft, a plate cylinder (32) and a printing cylinder (33); the UV drying device is arranged at the top of the printing tower (3) and comprises two groups of UV dryers (41) which are perpendicular to the paper tape.

2. The tower-type UV printing system for web material as claimed in claim 1, wherein the two groups of UV dryers (41) are arranged in parallel along the horizontal direction, the UV light irradiation direction is the same, and two paper guide rollers (42) parallel to the paper tape are respectively arranged above the two groups of UV dryers (41).

3. The web tower UV printing system according to claim 2, wherein each group of UV dryers (41) is in plurality and arranged in parallel and side by side in a vertical direction.

4. The web tower UV printing system according to claim 1, wherein the folder (6) comprises a zenith registration unit including a fixed guide roller (611) and a movable guide roller (612), a triangle (62) for first longitudinal folding of the paper tape, a guide roller including a first guide roller (631) disposed at both sides of a lower end of the triangle (62) and a second guide roller (632) therebelow, a cutting roller (65) disposed below the second guide roller (632) and having a cutting knife (651) disposed axially at an outer edge thereof, the needle roller (66) and the cutting roller (65) being rotated in cooperation with each other relatively, a pricking pin (663) and a cutting groove (661) disposed axially at an outer edge of the folding pin roller (66), the cutting groove (661) being disposed corresponding to the cutting knife (651), a first folding knife (662) is arranged in the cutting groove (661), the first folding knife (662) is arranged corresponding to a first jaw (6711) at the outer edge of the page storage roller (671), and a first spline wheel (673) and a conveyor belt (69) are sequentially arranged below the page storage roller (671).

5. The web tower UV printing system of claim 4, wherein the relative cylindrical ratio of the cutting cylinder (65), tucker pin cylinder (66) and store cylinder (671) is 1:2: 2; the number of the cutting grooves (661) is 2, the cutting grooves are respectively arranged corresponding to the positions of the cut-off knives (651), and the needle inserting (663) is symmetrically arranged at the central position between the adjacent grooves along the axis of the folding needle roller (66); the number of the first jaws (6711) is 2.

6. The web tower UV printing system according to claim 4, wherein a center pair roller (64) is disposed between the first guide roller (631) and the second guide roller (632), and punching blades (641) are disposed on the center pair roller (64) at intervals along the axial direction; a double parallel folding roller (681) which is matched with the storage roller (671) and rotates relatively is arranged above the storage roller, and the outer edge of the double parallel folding roller (681) is provided with a gripper (6721) and a second folding knife (6722); the relative cylinder diameter ratio of the double parallel folding rollers (681) to the page storage roller (671) is 1:2, the outer edge of the page storage roller (671) is provided with a second jaw (6712) corresponding to the position of a second folding knife (6722), and the number of the second jaw (6712) is 2.

7. The web tower-type UV printing system according to claim 4, wherein a page-passing mechanism (682) is arranged on a side of the page-storing cylinder (671) far away from the folding needle cylinder (66), the page-passing mechanism (682) is a belt pulley mechanism, wherein the belt is arranged along a direction perpendicular to an axis of the page-storing cylinder (671), a second longitudinal folding cylinder (681) is arranged above the belt in parallel with the belt, a third folding knife (6811) is arranged on an outer edge of the second longitudinal folding cylinder (681) along the axis, a second longitudinal folding nip roller (683) is arranged below the belt in pair, two second longitudinal folding nip rollers (683) are symmetrically arranged along the axis of the second longitudinal folding cylinder (681) in the same horizontal plane, a second pattern wheel (684) parallel to the second longitudinal folding nip roller (683) is arranged below the second longitudinal folding nip roller (683), and the second pattern wheel (684) is arranged above the inner side of the belt (69).

8. The web tower UV printing system according to claim 1, further comprising a ventilation duct (7) above the UV drying means.

9. The web tower UV printing system according to claim 1, characterized in that the printing tower (3) is flanked by stairs (5) or elevators.

10. The web tower UV printing system according to claim 1, characterized in that said printing towers (3) are at least two and are used with a folder (6).