CN112373191A - Printing machine and modularization UVLED light source structure thereof - Google Patents
Printing machine and modularization UVLED light source structure thereof Download PDFInfo
- Publication number
- CN112373191A CN112373191A CN202011263407.5A CN202011263407A CN112373191A CN 112373191 A CN112373191 A CN 112373191A CN 202011263407 A CN202011263407 A CN 202011263407A CN 112373191 A CN112373191 A CN 112373191A
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- Prior art keywords
- light source
- light
- water containing
- containing cavity
- uvled
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- 238000007639 printing Methods 0.000 title claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000001816 cooling Methods 0.000 claims abstract description 25
- 239000003507 refrigerant Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000005057 refrigeration Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000000523 sample Substances 0.000 description 7
- 239000011324 bead Substances 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000009537 plain noodles Nutrition 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
Images
Classifications
-
- 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
- B41F23/0403—Drying webs
- B41F23/0406—Drying webs by radiation
- B41F23/0409—Ultraviolet dryers
-
- 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
- B41F23/044—Drying sheets, e.g. between two printing stations
- B41F23/045—Drying sheets, e.g. between two printing stations by radiation
- B41F23/0453—Drying sheets, e.g. between two printing stations by radiation by ultraviolet dryers
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Led Device Packages (AREA)
Abstract
The invention relates to the technical field of printing, in particular to a printing machine and a modularized UVLED light source structure thereof, wherein the modularized UVLED light source structure comprises a plurality of light source modules which are sequentially connected, each light source module comprises a light-emitting element and a water containing cavity with a backlight surface and a light-emitting surface, and emergent light of the light-emitting element is emitted from the light-emitting surface and is used for curing printing materials; the backlight surface of the water containing cavity is provided with a cooling interface communicated with the water containing cavity, the cooling interfaces of adjacent water containing cavities are communicated with each other, and the refrigerant sent into the water containing cavity at the head end flows into the next water containing cavity in sequence through the communicated cooling interface and is used for cooling the light-emitting element in each water containing cavity; the invention has the beneficial effects that: the quantity and the size of the light source modules are selected according to actual needs, so that under the condition that the light power meets the requirement, power waste caused by excessive configuration is avoided, the cost performance is improved, the modularized arrangement can improve the installation and debugging process, and the maintenance difficulty and the cost are reduced.
Description
Technical Field
The invention relates to the technical field of printing, in particular to a printing machine and a modularized UVLED light source structure thereof.
Background
With the development of the times and the innovation of printing technologies, the printing industry is replacing traditional mercury lamps with high energy consumption and high environmental pollution by UV led (ultraviolet light emitting diode) light sources with lower energy consumption and more environmental protection, however, the structure of the UV led light source is more complex, the UV light power emitted by each light emitting lamp bead is only a few watts, and in order to obtain higher light power density, a plurality of independent light emitting lamp beads need to be welded and arranged and combined according to a special shape to converge the UV light in a specific area, so as to provide enough curing energy for printing ink.
Because the printing application range is very extensive, the printing product is of a great variety, the division of labor of the printing machine is more detailed, the printing light source also needs to have stronger flexibility, and the irradiation area of the light source can be adjusted at any time according to the requirement. On the other hand, because UVLED luminescent bead during operation can produce a large amount of heats, the lamp pearl high temperature not only influences its luminous efficacy, and probably burns out in the twinkling of an eye, need install it on a water cooling that leads to water holds the water cavity, with the temperature of substrate when reducing the lamp pearl is luminous, and this length that holds the water cavity is the length of a light source usually, just also increased the difficulty for the maintenance or the maintenance of whole light source from this, sometimes probably one or a small amount of luminescent bead damage, need with whole light source dismouting and change, not only the cost of maintenance is high, and the maintenance duration is long, cause big maloperation loss.
Disclosure of Invention
The invention aims to provide a printing machine and a modularized UVLED light source structure thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a modularized UVLED light source structure for a printing machine comprises a plurality of light source modules which are sequentially connected, wherein each light source module comprises a light-emitting element and a water containing cavity with a backlight surface and a light-emitting surface, and emergent light of the light-emitting element is emitted from the light-emitting surface and is used for curing printing materials; the backlight surface of the water containing cavity is provided with a cooling interface communicated with the water containing cavity, the cooling interfaces of adjacent water containing cavities are communicated with each other, and the refrigerant sent into the water containing cavity at the head end flows into the next water containing cavity in sequence through the communicated cooling interface for cooling the light-emitting elements in the water containing cavities.
As a further scheme of the invention: the backlight surface is provided with an electrical interface, and the light-emitting element is connected with a driver or a power supply through the electrical interface.
As a still further scheme of the invention: the light source module further comprises a temperature control element, the temperature control element monitors the temperature of the refrigerant in the water containing cavity and feeds the temperature back to the main machine of the printing machine, and the main machine of the printing machine controls the refrigerating efficiency of the refrigerant.
As a still further scheme of the invention: the modularized UVLED light source structure further comprises a connecting piece, and the plurality of sequentially connected light source modules are spliced and fixed through the connecting piece.
As a still further scheme of the invention: the backlight surface of the water containing cavity is provided with a mounting hole, and the mounting hole is connected with a connecting piece.
As a still further scheme of the invention: the light source module is divided into a short light source module and a long light source module, the long light source modules are sequentially connected, and two ends or one end of the sequentially connected long light source modules are connected with the short light source module.
As a still further scheme of the invention: the light-emitting surface of the water containing cavity is arc-shaped.
As a still further scheme of the invention: the light-emitting element is arranged on the convex surface of the light-emitting surface of the water containing cavity, and the concave surface of the light-emitting surface is provided with the light-gathering piece.
As a still further scheme of the invention: and a protection piece is arranged on an emergent light path of the light gathering piece and used for protecting the light gathering piece.
The invention provides another technical scheme that: a printer comprising a modular UVLED light source structure as claimed in any preceding claim.
Compared with the prior art, the invention has the beneficial effects that: the modularized UVLED light source structure comprises a plurality of light source modules which are connected in sequence, the number and the size of the light source modules are selected according to actual needs, the fact that power is wasted due to excessive configuration is avoided under the condition that the light power meets the requirements, cost performance is improved, installation and debugging processes can be improved due to the modularized arrangement, and maintenance difficulty and cost are reduced.
Drawings
Fig. 1 is a schematic structural diagram of a modular UVLED light source structure for a printing press according to an embodiment of the present invention.
Fig. 2 is a schematic side view of a modular UVLED light source configuration for a printing press according to an embodiment of the present invention.
Fig. 3 is a schematic top view of a modular UVLED light source configuration for a printing press according to an embodiment of the present invention.
Fig. 4 is a schematic front view of a short light source module according to an embodiment of the invention.
Fig. 5 is a schematic diagram of an internal structure of a short light source module according to an embodiment of the present invention.
Fig. 6 is a schematic top view of a short-light source module according to an embodiment of the invention.
Fig. 7 is a schematic front view of a long light source module according to an embodiment of the invention.
Fig. 8 is a schematic view of an internal structure of a long light source module according to an embodiment of the present invention.
Fig. 9 is a schematic top view of a long light source module according to an embodiment of the invention.
In the drawings: 1. UVLED light source, 2, short light source module, 3, long light source module, 4, installing support, 5, the cavity that holds water, 6, lamp pearl, 7, condensing lens, 8, explosion-proof glass, 9, condenser tube, 10, connecting pipe, 11, control by temperature change probe connecting wire, 12, power connecting wire, 13, cooling interface, 14, control by temperature change probe interface, 15, mounting hole, 16, power connection interface.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Referring to fig. 1 to 4 and 7, in an embodiment of the present invention, a modular UVLED light source structure for a printing machine includes a plurality of light source modules connected in sequence, where each light source module includes a light emitting element and a water containing cavity 5 having a backlight surface and a light emitting surface, and light emitted from the light emitting element is emitted from the light emitting surface to cure a printing material; the backlight surface of the water containing cavity 5 is provided with a cooling interface communicated with the water containing cavity, the cooling interfaces 13 of the adjacent water containing cavities 5 are communicated with each other, and the refrigerant sent into the head water containing cavity 5 sequentially flows into the next water containing cavity through the communicated cooling interfaces 13 and is used for cooling the light emitting elements in the water containing cavities.
The modular UVLED light source structure for the printing machine is arranged on the side of a roller of the printing machine and used for curing printing materials. The light source module is divided into a short light source module and a long light source module, the long light source modules are sequentially connected, and two ends or one end of the sequentially connected long light source modules are connected with the short light source module; specifically, four long light source modules 3 are sequentially connected, two short light source modules 2 are spliced at two ends of the connected long light source modules 3 to form a UVLED light source 1, and in some scenes, one short light source module is configured, namely, one short light source module 2 is spliced at one end of the connected long light source module 3; the cooling interface at the head end is connected with the cooling water pipe 9, and then the cooling interfaces of the water containing cavities of the long light source module and the long light source module or the short light source module are communicated through the connecting pipe 10, so that the refrigerant can cool the light-emitting elements in the water containing cavities, and the stable and safe operation of the light-emitting elements is ensured. Therefore, the lengths of the UVLED light sources 1 formed by the spliced light source modules meet the actual requirement; the length and the width with high cost performance are spliced according to the light-emitting element and the power supply power which are suitable for the light power requirement; the power consumption is controlled and the assembly space is saved; the application scene is improved, and the method is particularly suitable for printers with high utilization rate of size and installation space; and the light source module is modularized, so that the installation, debugging and maintenance are facilitated, the rapid replacement can be realized, the cost is reduced, the production pause time is shortened, and the production efficiency is improved.
Another splicing mode of the light source modules is only through a plurality of the long light source modules are sequentially connected, so that the combined length and the width after connection are suitable for the actual situation, the short light source modules do not need to be configured, the configuration of the short light source modules and the long light source modules and the number of the modules are determined according to the requirements during actual application, the diversified requirements of users are met, and the use experience of the users is improved.
As shown in fig. 6 and 9, further, the backlight surface is provided with an electrical interface, and the light emitting element is connected to a driver or a power supply through the electrical interface. The electric interface is provided with a power supply connecting interface 16, the power supply connecting interface 16 is connected with the luminous element in the water containing cavity through an insulated conducting wire, and is connected with a power supply through a power supply connecting wire 12. The power supply provides electric energy for the light-emitting element in the water containing cavity to allow the light-emitting element to emit light to solidify the printing material.
Referring to fig. 1, 6 and 9, in another embodiment of the present invention, the light source module further includes a temperature control element, the temperature control element monitors a temperature of a refrigerant in the water containing cavity and feeds the temperature back to the main frame of the printing machine, and the main frame of the printing machine controls a cooling efficiency of the refrigerant.
The temperature control element comprises a temperature control probe and a temperature control probe connecting wire 11, the temperature control probe is arranged in the water containing cavity and is connected with the printer host through a temperature control probe interface 14 arranged on the backlight surface to transmit data; the temperature control probe monitors the temperature of the refrigerant in the water containing cavity and feeds the temperature back to the main machine of the printing machine, and the main machine of the printing machine controls the refrigerating efficiency of the refrigerant. The printer main machine controls the refrigeration efficiency of the refrigerant to be realized by controlling the refrigeration device, the refrigeration device comprises a water pump, a cooling water pipe, water containing cavities and a heat exchanger which are sequentially connected, the water pump conveys the refrigerant to the communicated water containing cavities through the cooling water pipe 9, the refrigerant adopts softened water, and the softened water takes away heat generated by the light-emitting element in the circulation process of the water containing cavities. The heat is radiated in the heat exchanger, the temperature of the refrigerant is reduced, and the refrigerant is sent back to the water pump to form cooling circulation. Because the cooling interfaces of the water containing cavities have the same specification, the assembly can be completed flexibly and quickly when a plurality of light source modules are spliced.
Referring to fig. 1, 6 and 9, in another embodiment of the present invention, the modular UVLED light source structure further includes a connector, and the plurality of sequentially connected light source modules are spliced and fixed by the connector.
Specifically, the backlight surface of the water containing cavity is provided with a mounting hole 15, and the mounting hole 15 is matched with the connecting piece.
The connecting piece comprises a mounting bracket 4 and screws, the screws penetrate through the mounting bracket 4 and are screwed into the mounting holes 15 to fix the water containing cavities, the plurality of water containing cavities are fixed on the mounting bracket 4 in sequence, and the light source modules are spliced in a modularized mode; when a certain light source module fails, the light source module is only unloaded and replaced with a new light source module, and then the maintenance of the whole modularized UVLED light source structure can be completed. The installation, debugging and maintenance of each module are easy to carry out.
Referring to fig. 1, in another embodiment of the present invention, the light emitting surface of the water containing cavity is arc-shaped.
As shown in fig. 2, 5 and 8, the light emitting element is disposed on a convex surface of the light emitting surface of the water containing cavity, and the concave surface of the light emitting surface is provided with the light collecting member.
Light-emitting component adopts lamp pearl 6 of closely arranging to be the convex surface of arc laminating at the play plain noodles, spotlight piece adopts condensing lens 7 for the emergent light of gathering lamp pearl 6 does benefit to the printing material of curing printing machine operation, realizes the printing.
Furthermore, a protection piece is arranged on an emergent light path of the light gathering piece and used for protecting the light gathering piece; that is, the explosion-proof glass 8, the tempered glass, or the explosion-proof resin is used as a protective member to protect the condenser lens 7.
The explosion-proof glass 8 has high light transmission, and does not influence emergent light of the condensing lens 7; foreign matters generated during the operation of the roller can be prevented from damaging the condensing lens 7 and the lamp bead 6; the application scene is expanded, and the method is suitable for the use scene with complex environment.
In another embodiment of the invention, a printer comprises a modular UVLED light source structure as described in any one of the above.
The modular UVLED light source structure for the printing machine is arranged on the side of a roller of the printing machine and used for curing printing materials. The light source module is divided into a short light source module and a long light source module, the long light source modules are sequentially connected, and two ends or one end of the sequentially connected long light source modules are connected with the short light source module; specifically, four long light source modules 3 are connected in sequence, two short light source modules 2 are spliced at two ends of the connected long light source modules 3 to form a UVLED light source 1, a cooling interface at the head end is connected with a cooling water pipe 9, and then the cooling interfaces of the long light source modules and the water containing cavities of the long light source modules or the short light source modules are communicated through a connecting pipe 10, so that a refrigerant can cool light-emitting elements in the water containing cavities, and the stable and safe operation of the light-emitting elements is ensured.
In some scenarios, the short light source modules are configured with one, that is, one short light source module 2 is spliced at one end of the connected long light source module 3.
The working principle of the invention is as follows: the modularized UVLED light source structure comprises a plurality of light source modules which are connected in sequence, the number and the size of the light source modules are selected according to actual needs, and power waste caused by excessive configuration is avoided under the condition that the light power meets the requirements.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. A modularized UVLED light source structure for a printing machine is characterized by comprising a plurality of light source modules which are sequentially connected, wherein each light source module comprises a light-emitting element and a water containing cavity with a backlight surface and a light-emitting surface, and emergent light of the light-emitting element is emitted from the light-emitting surface and is used for curing a printing material; the backlight surface of the water containing cavity is provided with a cooling interface communicated with the water containing cavity, the cooling interfaces of adjacent water containing cavities are communicated with each other, and the refrigerant sent into the water containing cavity at the head end flows into the next water containing cavity in sequence through the communicated cooling interface for cooling the light-emitting elements in the water containing cavities.
2. The modular UVLED light source structure for printing presses of claim 1, wherein the backlight face is provided with an electrical interface through which the light emitting element is connected to a driver or a power source.
3. The modular UVLED light source structure for a printing press of claim 1, wherein said light source module further includes a temperature control element, said temperature control element monitors the temperature of the refrigerant in the water containing cavity and feeds back to the main frame of the printing press, the main frame of the printing press controls the refrigeration efficiency of the refrigerant.
4. The modular UVLED light source structure for a printing press according to claim 1, wherein said modular UVLED light source structure further includes a connector, said plurality of light source modules connected in sequence are spliced and fixed by said connector.
5. The modular UVLED light source structure for printing press of claim 4, wherein said water containing cavity backlight surface is provided with mounting holes and connectors.
6. The modular UVLED light source structure for a printing machine according to claim 1, wherein the light source module is divided into a short light source module and a long light source module, the plurality of long light source modules are sequentially connected, and both ends or one end of the sequentially connected long light source modules are connected to the short light source module.
7. The modular UVLED light source structure for printing presses of claim 1, wherein said water containing cavity has an arc shape of light exit surface.
8. The modular UVLED light source structure for printing press as claimed in claim 7, wherein said light emitting element is placed on the convex surface of the light emitting surface of the water containing cavity, and the concave surface of the light emitting surface is provided with a light condensing member.
9. The modular UVLED light source structure for a printing press recited in claim 8 wherein a protection member is disposed on an exit light path of the light gathering member for protecting the light gathering member.
10. A printing press including a modular UVLED light source structure according to any one of claims 1 to 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011263407.5A CN112373191A (en) | 2020-11-12 | 2020-11-12 | Printing machine and modularization UVLED light source structure thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011263407.5A CN112373191A (en) | 2020-11-12 | 2020-11-12 | Printing machine and modularization UVLED light source structure thereof |
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CN112373191A true CN112373191A (en) | 2021-02-19 |
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CN202011263407.5A Withdrawn CN112373191A (en) | 2020-11-12 | 2020-11-12 | Printing machine and modularization UVLED light source structure thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116047875A (en) * | 2023-04-03 | 2023-05-02 | 广东科视光学技术股份有限公司 | Exposure machine light source module spliced by single UVLED light sources |
CN116118346A (en) * | 2023-03-25 | 2023-05-16 | 广东科视光学技术股份有限公司 | Independent gun type UVLED light source mechanism for printing machine |
-
2020
- 2020-11-12 CN CN202011263407.5A patent/CN112373191A/en not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116118346A (en) * | 2023-03-25 | 2023-05-16 | 广东科视光学技术股份有限公司 | Independent gun type UVLED light source mechanism for printing machine |
CN116118346B (en) * | 2023-03-25 | 2023-11-21 | 广东科视光学技术股份有限公司 | Independent gun type UVLED light source mechanism for printing machine |
CN116047875A (en) * | 2023-04-03 | 2023-05-02 | 广东科视光学技术股份有限公司 | Exposure machine light source module spliced by single UVLED light sources |
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Application publication date: 20210219 |