Printing machine nozzle data line
By coating the printhead data cable with multiple protective layers, the problem of poor contact caused by exposed data cables is solved, enabling stable operation in harsh environments and improving the reliability of the printing press and the printing quality.
Patent Information
- Application Number
- CN202422051167.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-23
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-08-23
AI Technical Summary
In traditional printing presses, after the printhead data cable plug is inserted into the inkjet head socket, the data cable is exposed and lacks the necessary protective structure, which leads to poor contact at the plug and affects the normal operation of the inkjet head.
It adopts a flexible circuit board with multiple layers of protection, including polyimide (PI) film, silicone protective layer, polyurethane (PU) coating, aluminum foil shielding layer, polytetrafluoroethylene (PTFE) coating, epoxy resin, hot melt adhesive and ceramic coating, to enhance durability and reliability.
It improves the durability and reliability of flexible circuit boards, ensures stable signal transmission, reduces failures, extends service life, and is suitable for high-temperature and chemical environments.
Smart Images

Figure CN223692921U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model discloses digital printing machine related technical field, especially be related to a printing machine nozzle data line. BACKGROUND
[0002] Digital printing machine is a kind of printing equipment that digitalized graphic information is directly transferred to the printing material, it uses advanced digital technology, without the process of making plate in traditional printing, can directly obtain image and text information from computer or other digital equipment, and through nozzle or other imaging components, ink or toner is accurately sprayed or transferred to paper, plastic, cloth and other printing materials, digital printing machine has the advantages such as fast printing speed, high flexibility, strong individual customization ability, can realize small batch, multi-specification printing demand, is suitable for various commercial printing, packaging printing, label printing, individualized gift printing and other fields, the flexible circuit board of digital printing machine plus protective material can effectively protect the circuit board from the damage of external environment, such as humidity, dust, chemicals and the like, enhance the stability and reliability of circuit board, it can also improve the anti-electromagnetic interference ability of circuit board, ensure the accuracy of signal transmission, thereby improve printing quality, in addition, protective material can play the role of buffering, reduce the mechanical impact that circuit board receives in the process of use, prolong its service life, at the same time, suitable protective material can also enhance the heat resistance of circuit board, so that it can still work normally in high temperature environment, therefore, there is a special need for a printing machine nozzle data line.
[0003] But the existing printing machine nozzle data line when using, the plug of traditional nozzle 4-in-1 data line is inserted into the jack of inkjet head, and the data cable greatly reduces the internal space utilization rate of machine, and the four data cables are exposed and lack necessary protective structure, often causing the contact of insertion part to be poor and causing inkjet head to have inkjet failure. UTILITY MODEL CONTENTS
[0004] The utility model discloses a printing machine nozzle data line to solve the problem that the plug of traditional nozzle 4-in-1 data line is inserted into the jack of inkjet head, and the data cable greatly reduces the internal space utilization rate of machine, and the four data cables are exposed and lack necessary protective structure, often causing the contact of insertion part to be poor and causing inkjet head to have inkjet failure.
[0005] To achieve the above object, the utility model provides the following technical scheme: a printing machine nozzle data line, including power module, data interface and flexible circuit board, the one side surface of power module is provided with data interface, and the one side surface of data interface is provided with flexible circuit board.
[0006] Preferably, the flexible circuit board is attached with a polyimide PI film on one side, coated with a silica gel protective layer on one side, coated with a polyurethane PU coating on one side, attached with an aluminum foil shielding layer on one side, and coated with a polytetrafluoroethylene PTFE coating on one side.
[0007] Preferably, the flexible circuit board is coated with an epoxy resin on one side, coated with a hot melt adhesive on one side, and coated with a ceramic coating on one side.
[0008] Preferably, the flexible circuit board is connected with a power module and a data interface on both sides.
[0009] Preferably, the silica gel protective layer is consistent with the amount of epoxy resin coating.
[0010] Compared with the prior art, the printing machine nozzle data line has the advantages that the polyimide PI film is added, the polyimide PI film has high-temperature stability and good electrical insulation performance, can effectively prevent external environment from causing thermal, chemical and physical damage to the flexible circuit board, thereby greatly improving the durability and reliability of the flexible circuit board, which enables the nozzle data line to still work stably in harsh environments such as high temperature, ensures the normal operation of the digital printing machine, the use of the silica gel protective layer has good elasticity and chemical corrosion resistance, provides protection for the flexible circuit board, which helps to prevent the flexible circuit board from being damp or contaminated, ensures the stability of signal transmission, and further improves the printing quality, the polyurethane PU coating has good insulation and wear resistance, can protect the flexible circuit board from physical wear and chemical corrosion, and significantly prolongs the service life of the flexible circuit board, which means that the digital printing machine can still maintain good performance after long-term use, reduces the cost of maintenance and replacement, the aluminum foil shielding layer has excellent electromagnetic interference shielding performance, can effectively prevent electromagnetic interference (EMI) from affecting the performance of the nozzle, and ensures the stability of signal transmission, which is crucial for accurate printing of the digital printing machine, can ensure that the printed images and texts are clear and accurate, the polytetrafluoroethylene PTFE coating has excellent chemical resistance and high temperature resistance, can prevent chemicals and high temperature from damaging the flexible circuit board, and further prolongs the service life of the flexible circuit board, which enables the nozzle data line to maintain stable performance when facing various complex working environments, the epoxy resin forms a hard protective layer after curing, has excellent electrical insulation performance, can provide additional mechanical protection and insulation performance, prevents external impact and electrical short circuit, which greatly enhances the safety of the nozzle data line, reduces the probability of failure, the hot melt adhesive becomes viscous when heated, and forms a solid protective layer after cooling, which can provide a protective layer to prevent mechanical damage and environmental impact, and maintain the stability of the flexible circuit board, which makes the nozzle data line more reliable during use and less susceptible to external factors, the ceramic coating is a hard coating with high hardness and wear resistance, can maintain stability in high temperature and corrosive environments, and provides protection with high strength, wear resistance and chemical corrosion resistance, especially suitable for applications in high temperature or chemical environments, which further improves the durability and reliability of the flexible circuit board, and enables the digital printing machine to work normally under various harsh conditions. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is a whole structure schematic view of the utility model;
[0012] Figure 2 It is a flexible circuit board structure schematic view of the utility model;
[0013] Figure 3 It is a silica gel protective layer and polyurethane PU coating structure schematic view of the utility model;
[0014] Figure 4 The utility model discloses a polytetrafluoroethylene PTFE coating and epoxy resin structure schematic diagram.
[0015] In the drawing: 1, power module;2, data interface;3, flexible circuit board;4, polyimide PI film;5, silica gel protective layer;6, polyurethane PU coating;7, aluminum foil shielding layer;8, polytetrafluoroethylene PTFE coating;9, epoxy resin;10, hot melt adhesive;11, ceramic coating. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0017] Please refer to Figures 1-4The utility model provides a technical scheme: a printing machine nozzle data line, including power module 1, data interface 2 and flexible circuit board 3, the one side surface of power module 1 is provided with data interface 2, the one side surface of data interface 2 is provided with flexible circuit board 3, and the setting use of power module 1, data interface 2 and flexible circuit board 3 is better, first add polyimide PI film 4, and polyimide PI film 4 has high temperature stability and good electric insulation, prevents the heat, chemical and physical damage of external environment to flexible circuit board 3, improves its durability and reliability, then uses silica gel protective layer 5 to have good elasticity and chemical corrosion resistance, provides flexible, anti -vibration and the protection of chemical corrosion, helps to prevent flexible circuit board 3 from being damp or being contaminated, then uses polyurethane PU coating 6 to have good insulation and wear resistance, protects flexible circuit board 3 from physical wear and tear and chemical erosion, improves its service life, then uses aluminum foil shielding layer 7 to have excellent electromagnetic interference shielding performance prevents electromagnetic interference (EMI) from the influence on nozzle performance, ensures the stability of signal transmission, then uses polytetrafluoroethylene PTFE coating 8 to have excellent chemical resistance and high temperature resistance, prevents the damage of chemicals and high temperature to flexible circuit board 3, prolongs its service life, then uses epoxy resin 9 to form hard protective layer after solidification, has excellent electric insulation, provides additional mechanical protection and insulation performance, prevents external impact and electrical short circuit, then uses hot melt adhesive 10 to become viscous when heating, and after cooling, form solid protective layer to prevent mechanical damage and environmental influence, keep the stability of flexible circuit board 3, finally uses ceramic coating 11, which is a hard coating, has high hardness and wear resistance, can keep stable under high temperature and corrosive environment, provides high strength, wear resistance and chemical corrosion resistance protection, especially suitable for high temperature or chemical environment application, can significantly improve the durability and reliability of flexible circuit board 3.
[0018] Further, the one side surface of the flexible circuit board 3 is attached with the polyimide PI film 4, the one side surface of the flexible circuit board 3 is coated with the silica gel protective layer 5, the one side surface of the flexible circuit board 3 is coated with the polyurethane PU coating 6, the one side surface of the flexible circuit board 3 is attached with the aluminum foil shielding layer 7, and the one side surface of the flexible circuit board 3 is coated with the polytetrafluoroethylene PTFE coating 8. The polytetrafluoroethylene PTFE coating 8 is provided, and the temperature resistance is good.
[0019] Further, the one side surface of the flexible circuit board 3 is coated with the epoxy resin 9, the one side surface of the flexible circuit board 3 is coated with the hot melt adhesive 10, and the one side surface of the flexible circuit board 3 is coated with the ceramic coating 11. The epoxy resin 9 is provided, and the protection effect is better.
[0020] Further, the two sides of the flexible circuit board 3 are connected with the power module 1 and the data interface 2 at the same time. The hot melt adhesive 10 can be coated by the setting of the flexible circuit board 3.
[0021] Further, the silica gel protective layer 5 is matched with the coating amount of the epoxy resin 9, and through the setting of the silica gel protective layer 5, the protection effect is better.
[0022] Working principle: first add the polyimide PI film 4, the polyimide PI film 4 has high temperature stability and good electrical insulation performance, prevents the external environment from the heat, chemical and physical damage to the flexible circuit board 3, improves its durability and reliability, then use the silica gel protective layer 5 has good elasticity and chemical corrosion resistance, provides flexible, anti-vibration and chemical corrosion protection, helps to prevent the flexible circuit board 3 from being damp or contaminated, then use the polyurethane PU coating 6 has good insulation and wear resistance, protects the flexible circuit board 3 from physical wear and chemical erosion, improves its service life, then use the aluminum foil shielding layer 7 has excellent electromagnetic interference shielding performance prevents electromagnetic interference (EMI) from affecting the performance of the nozzle, ensures the stability of signal transmission, then use the polytetrafluoroethylene PTFE coating 8 has excellent chemical resistance and high temperature resistance, prevents chemicals and high temperature from damaging the flexible circuit board 3, prolongs its service life, then use the epoxy resin 9 after curing forms a hard protective layer, has excellent electrical insulation performance, provides additional mechanical protection and insulation performance, prevents external impact and electrical short circuit, then use the hot melt adhesive 10 becomes viscous when heated, forms a solid protective layer after cooling to provide a protective layer to prevent mechanical damage and environmental impact, maintains the stability of the flexible circuit board 3, finally use the ceramic coating 11 is a hard coating, has high hardness and wear resistance, can maintain stability in high temperature and corrosive environment, provides high strength, wear resistance and chemical corrosion resistance protection, especially suitable for high temperature or chemical environment applications, can significantly improve the durability and reliability of the flexible circuit board 3.
[0023] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A data line for a print head of a printing machine, comprising a power module (1), a data interface (2) and a flexible circuit board (3), characterized in that: One side surface of the power module (1) is provided with a data interface (2), one side surface of the data interface (2) is provided with a flexible circuit board (3); One side surface of the flexible circuit board (3) is attached with a polyimide PI film (4), one side surface of the flexible circuit board (3) is coated with a silica gel protective layer (5), one side surface of the flexible circuit board (3) is coated with a polyurethane PU coating layer (6), one side surface of the flexible circuit board (3) is attached with an aluminum foil shielding layer (7), and one side surface of the flexible circuit board (3) is coated with a polytetrafluoroethylene PTFE coating layer (8).
2. A data line for a print head of a printer according to claim 1, wherein: One side surface of the flexible circuit board (3) is coated with an epoxy resin (9), one side surface of the flexible circuit board (3) is coated with a hot melt adhesive (10), and one side surface of the flexible circuit board (3) is coated with a ceramic coating layer (11).
3. A data line for a print head of a printer according to claim 1, wherein: The two side surfaces of the flexible circuit board (3) are connected with the power module (1) and the data interface (2) at the same time.
4. A data line for a print head of a printer according to claim 2, wherein: The coating amount of the silica gel protective layer (5) is consistent with that of the epoxy resin (9).