CN112230313B

CN112230313B - Method for preventing printing ink from being damaged by attaching and trimming fully-attached diffusion plate

Info

Publication number: CN112230313B
Application number: CN202011170145.8A
Authority: CN
Inventors: 李飞; 李锦亮; 汤占刚; 魏先钊; 周富强
Original assignee: Dongguan Yintaifeng Optical Technology Co Ltd
Current assignee: Dongguan Yintaifeng Optical Technology Co Ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2023-03-03
Anticipated expiration: 2040-10-28
Also published as: CN112230313A

Abstract

The invention discloses a method for preventing ink from being damaged by attaching and trimming a full-attaching diffusion plate, wherein the full-attaching diffusion plate is provided with a straight edge, the upper and lower corner edges of the straight edge are chamfered edges, and the chamfered edges are covered with ink; and comprising the steps of: cutting and trimming the ink on the chamfered edge along the extending direction of the straight edge by using the angle of the blade parallel to the chamfered edge so as to cut off the redundant ink, and keeping the distance between the blade and the chamfered edge constant in the cutting and trimming process; in the cutting and trimming process, UV glue is sprayed to the cut ink surface by using a piezoelectric valve while cutting, and the ink surface is exposed to UV light at the same time, so that the UV glue forms a protective layer on the ink surface. According to the invention, the UV glue protective layer is rapidly formed on the surface of the cut printing ink under the irradiation of UV light so as to cover and protect the printing ink, prevent printing ink particles from falling, ensure the reliability of the processing process and improve the edge sealing effect of the glass diffusion plate.

Description

Method for preventing printing ink from being damaged by attaching and trimming fully-attached diffusion plate

Technical Field

The invention relates to the technical field of diffuser plate processing technologies, in particular to a method for preventing ink damage by fully attaching and trimming a diffuser plate.

Background

The light diffusion plate is characterized in that through chemical or physical means, when light meets two media with different refractive indexes in the traveling path, the physical phenomena of refraction, reflection and scattering are generated, inorganic or organic light diffusants are added into base materials such as PMMA, PC, PS, PP and the like, or the light is artificially adjusted through array arrangement of micro-feature structures on the surface of the base materials, so that the light is refracted, reflected and scattered in different directions, the traveling path of the light is changed, the effect of optical diffusion is generated by filling and dispersing colors of incident light, and the light diffusion plate is widely applied to liquid crystal display, LED illumination and imaging display systems.

According to the material classification: light-transmitting polymeric or synthetic materials such as glass, polystyrene (PS), polycarbonate (PC), polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polyethylene terephthalate (PET), acryl (PMMA), acrylic (MMA), etc. may be manufactured into diffusion materials for various purposes.

In the processing process of the glass diffusion plate, the straight edge of the glass diffusion plate needs to be subjected to oil edge, and the positions except the straight edge are also adhered with ink or the ink is too thick due to the fact that part of oil edge processes are immature and accurate, so that the ink needs to be corrected by a blade in a post process. In the existing trimming process, a blade often drops a large amount of ink particles due to cutting of ink in the trimming process, certain interference is caused to processing of the glass diffusion plate, and the quality of the glass diffusion plate is also adversely affected, so that the straight-edge sealing effect of the glass diffusion plate is poor.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides a method for preventing ink damage by adhering and trimming a fully-adhered diffusion plate.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a method for preventing ink from being damaged by full-lamination diffusion plate lamination and trimming is characterized in that the full-lamination diffusion plate is provided with straight edges, the upper and lower corner edges of the straight edges are chamfered edges, and the chamfered edges are covered with ink; and comprising the steps of:

step 1: cutting and trimming the ink on the chamfered edge along the extending direction of the straight edge by using the angle of the blade parallel to the chamfered edge so as to cut off the redundant ink, and keeping the distance between the blade and the chamfered edge constant in the cutting and trimming process;

step 2: in the cutting and trimming process, UV glue is sprayed to the cut ink surface by using a piezoelectric valve while cutting, and the ink surface is exposed to UV light at the same time, so that the UV glue forms a protective layer on the ink surface.

In the above technical scheme, in the step 1, the blade is an ultrasonic high-frequency vibration blade.

In the above technical solution, the wavelength of the UV light is 395nm.

In the technical scheme, the thickness of the protective layer is 2-5 μm.

Among the above-mentioned technical scheme, at the in-process of cutting deburring, adopt the dust catcher to adsorb the collection to the printing ink granule that drops.

The invention has the beneficial effects that: a mode of cutting, trimming and spraying UV glue is adopted, and a UV glue protective layer is quickly formed on the surface of the cut printing ink under the irradiation of UV light so as to cover and protect the printing ink, prevent printing ink particles from falling, ensure the reliability of the processing process and improve the edge sealing effect of the glass diffusion plate.

Drawings

FIG. 1 is a schematic view of a fully bonded diffuser plate according to the present invention.

FIG. 2 is a schematic structural view of ink before cutting and trimming for a fully bonded diffuser plate according to the present invention.

FIG. 3 is a schematic structural diagram of the fully-bonded diffuser plate according to the present invention, after cutting and trimming, with UV glue covered with ink.

Fig. 4 is a schematic diagram of the cutting and trimming process of the present invention.

Fig. 5 is a flow chart of the method of the present invention.

In the figure, 1, a diffusion plate is fully attached; 2. straight sides; 3. chamfering edges; 4. excess ink; 5. residual ink; 6. UV glue; 7. a blade.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments provided in the present application without any inventive step are within the scope of protection of the present application. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of ordinary skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments without conflict.

Unless defined otherwise, technical or scientific terms referred to herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which this application belongs. Reference to "a," "an," "the," and similar words throughout this application are not to be construed as limiting in number, and may refer to the singular or the plural. The present application is directed to the use of the terms "including," "comprising," "having," and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Reference to "connected," "coupled," and the like in this application is not intended to be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. Reference herein to "a plurality" means greater than or equal to two. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. Reference herein to the terms "first," "second," "third," and the like, are merely to distinguish similar objects and do not denote a particular ordering for the objects.

As shown in fig. 1-5, a fully bonded diffuser plate 1 is provided, wherein the fully bonded diffuser plate 1 has a straight edge 2, upper and lower corner edges of the straight edge 2 are chamfered edges 3, and the chamfered edges 3 are covered with ink.

The method for preventing the printing ink from being damaged by the joint trimming of the full-joint diffusion plate 1 comprises the following steps:

step 1: cutting and trimming the ink on the chamfered edge 3 along the extending direction of the straight edge 2 by using the angle of the blade 7 parallel to the chamfered edge 3 so as to cut off the redundant ink 4, and keeping the distance between the blade 7 and the chamfered edge 3 constant in the cutting and trimming process;

step 2: in the cutting and trimming process, the piezoelectric valve is used to spray the UV glue 6 to the surface of the cut residual ink 5 while cutting, and simultaneously the surface of the residual ink 5 is exposed to UV light, so that the UV glue 6 forms a protective layer on the surface of the residual ink 5. The piezoelectric valve, namely the piezoelectric injection valve, can be widely applied to non-contact glue spraying operation in the fields of advanced semiconductor manufacturing, mobile electronic equipment packaging and the like, is suitable for spraying various types of fluids such as solder paste, silver paste, hot melt adhesive, anaerobic adhesive, red adhesive, UV adhesive 6, water adhesive and the like, can be matched with a dispensing machine or an automatic line for use, and realizes high-speed continuous long-term production. The shadowless glue (UV glue 6) is also called photosensitive glue and ultraviolet light curing glue, is a kind of adhesive which can be cured only by ultraviolet light irradiation, can be used as an adhesive, and can also be used as a glue stock of paint, coating, ink and the like. UV is an abbreviation for Ultraviolet Rays, the term UV light. The principle of shadowless glue curing is that a photoinitiator (or photosensitizer) in a UV curing material generates active free radicals or cations after absorbing ultraviolet light under the irradiation of ultraviolet rays, and the polymerization and crosslinking chemical reaction of monomers are initiated, so that the adhesive is converted from a liquid state to a solid state within a few seconds.

In some embodiments, in step 1, the blade 7 is an ultrasonic high-frequency vibrating blade, which has high cutting efficiency and effect. Ultrasonic vibration cutting is a special cutting technology which enables a cutter to vibrate at high speed along a cutting direction at the frequency of 20-40 KHz. The ultrasonic vibration cutting is microscopically pulse cutting, the effective cutting time of a cutter is very short in a vibration period, the cutter is completely separated from the chips of a workpiece in most of the vibration period, the cutter is in intermittent contact with the chips of the workpiece, the cutting heat is greatly reduced, and the phenomenon of cutter back-off in the common cutting process is avoided. The vibration cutting can be used for precision machining on a common machine tool, form and position tolerances such as roundness, cylindricity, planeness, parallelism, straightness and the like mainly depend on the precision of a main shaft and a guide rail of the machine tool, and the highest form and position tolerance can reach nearly zero error, so that turning instead of grinding, drilling instead of reaming and milling instead of grinding are possible.

In some embodiments, the UV light has a wavelength of 395nm, which can be adjusted according to the formulation of the UV glue 6. Ultraviolet (UV) is invisible to the naked eye and is a segment of electromagnetic radiation other than visible light, with a wavelength in the range of 10 to 400nm.

In some embodiments, the protective layer has a thickness of 2 to 5 μm and provides sufficient protection to the ink surface.

In some embodiments, a vacuum cleaner is used to suction and collect the dropped ink particles during cutting and trimming.

The principle of the invention is as follows: when the blade is used for cutting and trimming, the piezoelectric valve is utilized to spray the UV glue 6 to the surface of the printing ink at one side, and the UV glue 6 is rapidly solidified to form a protective layer on the surface of the printing ink under the exposure of UV light, so that the anti-dropping protection of printing ink particles can be realized, the processing efficiency is improved, and the product quality is ensured.

The above examples are intended to illustrate rather than to limit the invention, and all equivalent changes and modifications made by the methods described in the claims of the present invention are intended to be included within the scope of the present invention.

Claims

1. A method for preventing ink from being damaged by attaching and trimming a full-attaching diffusion plate is characterized in that the full-attaching diffusion plate is provided with a straight edge, the upper and lower corner edges of the straight edge are chamfered edges, and the chamfered edges are covered with ink; and comprising the steps of:

2. The method for preventing ink damage by attaching and trimming the fully-attached diffusion plate according to claim 1, wherein the method comprises the following steps: in the step 1, the blade is an ultrasonic high-frequency vibration blade.

3. The method for preventing ink from being damaged by bonding and trimming of the fully-bonded diffuser plate according to claim 1, wherein the method comprises the following steps: the wavelength of the UV light is 395nm.

4. The method for preventing ink damage by attaching and trimming the fully-attached diffusion plate according to claim 1, wherein the method comprises the following steps: the thickness of the protective layer is 2-5 μm.

5. The method for preventing ink damage by attaching and trimming the fully-attached diffusion plate according to claim 1, wherein the method comprises the following steps: and in the cutting and trimming process, a dust collector is adopted to adsorb and collect the dropped ink particles.