CN110525086B - White board and surface coating process for white board - Google Patents
White board and surface coating process for white board Download PDFInfo
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- CN110525086B CN110525086B CN201910644989.2A CN201910644989A CN110525086B CN 110525086 B CN110525086 B CN 110525086B CN 201910644989 A CN201910644989 A CN 201910644989A CN 110525086 B CN110525086 B CN 110525086B
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- inclined plane
- wale
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/06—Veined printings; Fluorescent printings; Stereoscopic images; Imitated patterns, e.g. tissues, textiles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Textile Engineering (AREA)
- Vascular Medicine (AREA)
- Drawing Aids And Blackboards (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention provides a white board and a surface coating process for the white board, which solve the technical problem that in the prior art, when the white board is used, an omnibearing observer cannot see handwriting clearly. The novel printing plate comprises a base plate, wherein a plurality of wales for increasing the surface roughness of the base plate are printed on the base plate, and the wales comprise vertical wales and inclined plane wales; the top of the vertical wale is in a spherical crown shape; the top of the inclined plane convex ridge is provided with an inclined arc surface. The white board provided by the invention can select a proper white board according to the requirement of the use position so as to clearly present the handwriting on the white board; and when using the projecting apparatus to the whiteboard projection, the projecting light that the observer in the place ahead and the observer in the rear felt can keep unanimous, and it can not receive the influence no matter which position observes, can improve user's use and experience, can satisfy user demand.
Description
Technical Field
The invention relates to a white board, in particular to a white board and a surface coating process for the white board.
Background
In the whiteboard manufacturing process, the surface is required to be printed with the relief to increase the roughness of the surface of the whiteboard, light is diffusely reflected on the surface of the whiteboard, the angle of light reflection is increased, and a wider range of observers can clearly see the writing on the whiteboard.
However, the raised patterns on the white board are produced in batch, the range of the light reflection angle is similar, and when the main light source is not in the center, the coverage trend of the reflected light angle cannot meet the requirements of the use scene, for example, in a classroom, the white board is installed in front of the left side of the classroom, the diffuse reflection area of the white board is symmetrically spread from the center to the two sides, and an observer on the right side is not in the diffuse reflection coverage area, so that the handwriting on the white board is difficult to observe; when the projector is used for projecting to the whiteboard, ambient light is usually turned off, when the ambient light is insufficient, the diffuse reflection range is affected, the emergent range is reduced, main incident light is above the whiteboard, and the main emergent light is near the front of the whiteboard after being diffusely reflected by the whiteboard, namely, an observer near the front feels that the projected light is too bright, and an observer far away feels that the light is weak; therefore, the common mass-produced white board wales cannot meet the use requirement.
The applicant has found that the prior art has at least the following technical problems:
1. in the prior art, when the white board is used, an observer cannot see the handwriting clearly;
2. when the whiteboard among the prior art uses the projecting apparatus to project to the whiteboard, the observer in the place ahead can feel the projection light too bright, and the observer in the distance can feel light weak, uses and experiences not good, can not satisfy the user demand.
Disclosure of Invention
The invention aims to provide a whiteboard and a surface coating process for the whiteboard, so as to solve the technical problem that in the prior art, when the whiteboard is in use, an omnibearing observer cannot clearly see handwriting. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a white board, which comprises a base plate, wherein a plurality of wales for increasing the surface roughness of the base plate are printed on the base plate, and the wales comprise vertical wales and inclined wales; the top of the vertical wale is in a spherical crown shape; the top of the inclined plane convex line is provided with an inclined arc surface;
the inclined plane convex patterns comprise any one or more of a weak left inclined plane convex pattern with an inclined arc surface on the left side of the top, a strong left inclined plane convex pattern, a weak right inclined plane convex pattern with an inclined arc surface on the right side of the top and a strong right inclined plane convex pattern;
when the inclined plane wale is various, the vertical wale and the various inclined plane wales are arranged at intervals.
Optionally or preferably, the left side of the top of the weak left inclined plane wale is provided with an inclined arc surface with an included angle of 15-25 degrees with the horizontal plane;
the right side of the top of the weak right inclined plane convex line is provided with an inclined arc surface with an included angle of 15-25 degrees with the horizontal plane;
the left side of the top of the strong left inclined plane convex line is provided with an inclined arc surface with an included angle of 25-40 degrees with the horizontal plane;
the right side of the top of the strong right inclined plane convex line is provided with an inclined arc surface with an included angle of 25-40 degrees with the horizontal plane.
The invention provides a surface coating process for the white board, which comprises the following steps:
(1) determining the type of relief printing according to the installation position of the whiteboard:
installing the components at the middle front position: printing at least one of a vertical wale, a weak left inclined plane wale and a strong left inclined plane wale and at least one of a weak right inclined plane wale and a strong right inclined plane wale;
② mounting at the front position of the left side: printing a vertical wale and at least one of a weak right inclined plane wale and a strong right inclined plane wale;
mounting at the front position of the right side: printing a vertical wale and at least one of a weak left inclined plane wale and a strong left inclined plane wale;
(2) when a plurality of wales need to be printed, one wale is selected for printing, and after the wale is set, the next wale is printed until the last wale is printed and set.
Optionally or preferably, in the step (1), when the device is installed at the left front position: printing vertical ribs, weak right bevel ribs, and strong right bevel ribs.
Optionally or preferably, in the third step (1), when the device is installed at the front position on the right side: printing a vertical relief, a weak left bevel relief, and a strong left bevel relief.
Alternatively or preferably, in the step (2), the vertical ribs and the plurality of kinds of oblique ribs are printed in rows and at intervals.
Alternatively or preferably, in the step (2), the method for printing the weak right oblique-plane ridge, the strong right oblique-plane ridge, the weak left oblique-plane ridge and the strong left oblique-plane ridge includes:
rolling on the surface of a bottom plate by a rolling brush stained with paint to form convex patterns;
lifting the left side or the right side of the bottom plate to enable the bottom plate to incline, enabling the coating on the convex patterns to flow to the lower part, and forming inclined arc surfaces on the right side or the left side of the tops of the convex patterns;
and thirdly, when the bottom plate is laid flat and the coating cannot flow again, the bottom plate is placed to a horizontal position to wait for the coating to solidify.
Optionally or preferably, in the step (2), when the left side or the right side of the bottom plate is lifted, an included angle between the bottom plate and a horizontal plane is 15-40 degrees; the raised state is maintained for 40-100 seconds.
Optionally or preferably, a step a is further provided between the step (2) and the step (c), and specifically comprises:
A. when the paint is not completely cured, the right side or the left side of the base plate is lifted to be inclined, and the paint is refluxed.
Alternatively, or preferably, when step a is provided,
in the step (2), when the left side or the right side of the bottom plate is lifted, the included angle between the bottom plate and the horizontal plane is 15-40 degrees; keeping the lifting state for 20-50 seconds;
in the step (2) A, when the right side or the left side of the bottom plate is lifted, the included angle between the bottom plate and the horizontal plane is 18-60 degrees; the raised state needs to be maintained for 100-120 seconds.
Based on the technical scheme, the embodiment of the invention can at least produce the following technical effects:
the whiteboard and the whiteboard obtained by applying the surface coating process for the whiteboard, which are provided by the invention, have the vertical convex patterns and the inclined convex patterns, the vertical convex patterns form the diffuse reflection emergent area which is symmetrically unfolded towards two sides by the center of the whiteboard, and the inclined convex patterns form the diffuse reflection emergent area which is symmetrically unfolded towards two sides by the opposite area of the inclined cambered surface; for example, when the whiteboard is installed in front of the left side of a classroom, the diffuse reflection area can be enlarged by using the whiteboard having the vertical ribs and the right inclined ribs (weak right inclined ribs and/or strong right inclined ribs) so that the observer in front of the right side can clearly see the handwriting; the white board provided by the invention can be used for selecting a proper white board according to the requirement of the use position so as to clearly present the handwriting on the white board; and when using the projecting apparatus to the whiteboard projection, the projecting light that the observer in the place ahead and the observer in the rear felt can keep unanimous, and it can not receive the influence no matter which position observes, can improve user's use and experience, can satisfy user demand.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view showing the microstructure of the relief in examples 1 and 2 of the present invention;
FIG. 2 is a schematic view showing the microstructure of a rib in example 2 of the present invention;
FIG. 3 is a schematic representation of the diffuse reflection of the ribs of examples 1, 2 and 3 of the present invention;
fig. 4 is a schematic structural view of the inclined arcs of the strong left slant ridge and the weak left slant ridge in examples 1, 2 and 3 of the present invention.
In the figure: 1. a base plate; 2. a strong left bevel relief; 3. weak left bevel relief; 4. a vertical relief; 5. weak right bevel relief; 6. a coating tank; 7. an end spherical crown coating; 8. a sloping arc surface.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
As shown in fig. 1-4:
the invention provides a surface coating process for the white board, which comprises the following steps:
(1) determining the type of relief printing according to the installation position of the whiteboard:
installing the components at the middle front position: printing at least one of a vertical wale 4, a weak left inclined plane wale 3 and a strong left inclined plane wale 2 and at least one of a weak right inclined plane wale 5 and a strong right inclined plane wale;
② mounting at the front position of the left side: printing a vertical wale 4 and at least one of a weak right inclined plane wale 5 and a strong right inclined plane wale;
mounting at the front position of the right side: printing a vertical wale 4 and at least one of a weak left inclined wale 3 and a strong left inclined wale 2;
(2) when a plurality of wales need to be printed, one wale is selected for printing, and after the wale is set, the next wale is printed until the last wale is printed and set.
The white board obtained by the surface coating process for the white board, provided by the invention, is provided with the vertical convex patterns 4 and the inclined convex patterns, the vertical convex patterns 4 form diffuse reflection emergent areas which are symmetrically unfolded towards two sides from the center of the white board, and the inclined convex patterns form diffuse reflection emergent areas which are symmetrically unfolded towards two sides from the area just opposite to the inclined cambered surface 8; for example, when the whiteboard is installed in front of the left side of a classroom, the diffuse reflection area can be enlarged by using the whiteboard having the vertical ribs 4 and the right inclined ribs 5 (weak right inclined ribs 5 and/or strong right inclined ribs) so that the observer in front of the right side can clearly see the handwriting; the white board provided by the invention can be used for selecting a proper white board according to the requirement of the use position so as to clearly present the handwriting on the white board; and when using the projecting apparatus to the whiteboard projection, the projecting light that the observer in the place ahead and the observer in the rear felt can keep unanimous, and it can not receive the influence no matter which position observes, can improve user's use and experience, can satisfy user demand.
As an optional embodiment, in the step (1) and (ii), when the device is installed at the left front position: printing vertical 4, weak right bevel 5 and strong right bevel.
As an optional embodiment, in the third step (1), when the device is installed at the front position on the right side: printing vertical ribs 4, weak left chamfer ribs 3, and strong left chamfer ribs 2.
As an alternative embodiment, in the step (2), the vertical ribs and the plurality of kinds of oblique ribs are printed in rows, respectively, and are printed at intervals.
As an alternative embodiment, in the step (2), the printing of the weak right chamfer rib 5, the strong right chamfer rib, the weak left chamfer rib 3 and the strong left chamfer rib 2 is performed by:
rolling on the surface of a bottom plate 1 by a rolling brush stained with paint to form convex patterns;
lifting the left side or the right side of the bottom plate 1 to enable the bottom plate to incline, enabling the coating on the convex patterns to flow to the lower part, and forming inclined arc surfaces 8 on the right side or the left side of the tops of the convex patterns;
the convex ridge formed by the coating in the step (2) is fluid, and is not solidified when being formed, and can rapidly flow after being inclined in the step (2), the width of the convex ridge is narrowed, the convex ridge begins to be solidified in the flowing process, the flow speed is reduced, the width is increased, a coating groove 6 can be formed after the width is narrowed, the coating groove 6 enables the width of the inclined arc surface 8 to be uneven, the convex ridge collapses to the bottom to form a cone, the top of the cone forms the spherical crown coating, the spherical crown coating flows fast, and the top of the foremost end of the inclined arc surface 8 can form an end spherical crown coating 7 through advanced flow;
and thirdly, when the bottom plate 1 is laid flat and the paint cannot flow again, the bottom plate 1 is placed to a horizontal position to wait for the paint to solidify.
As an optional implementation mode, in the step (2), when the left side or the right side of the bottom plate 1 is lifted, an included angle between the bottom plate 1 and a horizontal plane is 15-40 degrees; the raised state is maintained for 40-100 seconds.
As an alternative embodiment, uv-assisted curing may be used when the viscosity of the coating is low and the flow rate is fast.
As an alternative, when the inclined ribs are plural, the vertical ribs 4 and the inclined ribs are printed in rows, respectively, and the bottom distance g between two adjacent vertical ribs 4 or two inclined ribs in each row is 2.5 to 3.5mm (preferably 3.0mm), and the bottom distance e between two adjacent rows is 2.5 to 3.5mm (preferably 3.0 mm).
As an alternative embodiment, the bottom diameters f of the weak left oblique rib 3, the strong left oblique rib 2, the weak right oblique rib, and the strong right oblique rib are all 0.8mm to 1.2mm (preferably 1.0 mm).
Specifically, the following description will be made by taking examples of the diffuse reflection areas corresponding to the multiple embossments and the printing method in the case of printing the multiple embossments:
(1) diffuse reflection areas corresponding to a plurality of embossments:
explanation will be made with the whiteboard attached to the front left: vertical burr 4, weak right inclined plane burr 5 and strong right inclined plane burr are printed on bottom plate 1, and when printing, strong right inclined plane burr, weak right inclined plane burr 5 and vertical burr 4 are printed one by one at intervals.
As shown in fig. 3, the area i between lines a-a is a diffuse reflection area formed by the vertical ribs 4, the area ii between lines b-b is a diffuse reflection area generated by the right inclined plane, and the area iii between lines c-c is a diffuse reflection area generated by the strong right inclined plane; it can be seen that the diffuse reflection area can be enlarged by the inclined surface relief provided on the white board; meanwhile, the directions of the reflection areas can be controlled by arranging the inclined plane convex patterns in different directions and the inclined plane convex patterns with different strengths, the concentrated areas of observers can be clearer by controlling the arrangement of different convex patterns and controlling the diffuse reflection intensity in different ranges by controlling the density, and other observer areas can see the handwriting on the white board without generating dark areas and strong reflection;
as shown in fig. 3, the area d is a triangular area which is formed by putting the white board on one side when the classroom is long in addition to the vertical ribs 4 and the strong inclined ribs, and thus the triangular area is covered by the weak inclined ribs having a smaller angle than the strong inclined ribs.
(2) Various relief printing methods:
when X types of wales need to be coated, one wale is selected for coating, and the adjacent wales are coated at intervals of X columns during coating;
if the first type of coating is a vertical rib 4, the coating of the next rib is performed after the vertical rib 4 is cured; if the inclined plane convex pattern is the inclined plane convex pattern, performing inclined shaping operation according to the step (2), and coating the next convex pattern after the inclined plane convex pattern is solidified;
coating a second row and coating at intervals of X rows; if the second type of coating is a vertical rib 4, the coating of the next rib is performed after the vertical rib 4 is cured; if the inclined plane convex pattern is the inclined plane convex pattern, performing inclined shaping operation according to the step (2), and coating the next convex pattern after the inclined plane convex pattern is solidified;
coating the next embossment according to the method until all embossings are shaped and cured.
As shown in fig. 1, specifically, when X is 4, four kinds of ridges of a strong left slant ridge 2, a weak left slant ridge 3, a vertical ridge 4, and a right slant ridge 5 need to be coated;
firstly, coating 1,5,9 and … rows of strong left inclined plane wales 2, and performing inclined shaping operation according to the step (2) and the step (2);
then coating 3, 7, 11, … columns of vertical ribs 4, and waiting for setting and curing;
and finally, coating 4, 8, 12 and … rows of right inclined plane wales 5, and performing inclined shaping operation according to the step (2) and the step (2).
Example 2:
the present embodiment 2 differs from embodiment 1 in that:
as an optional implementation manner, a step a is further provided between the second step and the third step in the step (2), and specifically, the step a includes:
A. when the paint is not completely cured, the right or left side of the base plate 1 is raised to be inclined, and the paint is reflowed.
As an alternative embodiment, when step a is provided,
in the step (2), when the left side or the right side of the bottom plate 1 is lifted, the included angle between the bottom plate 1 and the horizontal plane is 15-40 degrees; keeping the lifting state for 20-50 seconds;
in the step (2) A, when the right side or the left side of the bottom plate 1 is lifted, the included angle between the bottom plate 1 and the horizontal plane is 18-60 degrees; the raised state needs to be maintained for 100-120 seconds.
With the addition of step A, a beveled relief structure is formed as shown in FIG. 2.
The convex ridge formed by the coating in the step (2) is fluid, and is not solidified when being formed, and can rapidly flow after being inclined in the step (2), the width of the convex ridge is narrowed, the convex ridge begins to be solidified in the flowing process, the flow speed is reduced, the width is increased, a coating groove 6 can be formed after the width is narrowed, the coating groove 6 enables the width of the inclined arc surface 8 to be uneven, the convex ridge collapses to the bottom to form a cone, the top of the cone forms the spherical crown coating, the spherical crown coating flows fast, and the top of the foremost end of the inclined arc surface 8 can form an end spherical crown coating 7 through advanced flow;
after the inclination of the step (2) A, the part of the paint which is not solidified in the front end and the end part spherical crown-shaped paint 7 flows back, the paint groove 6 is filled, and meanwhile, a part of the end part spherical crown-shaped paint 7 is removed, so that the inclined arc surface 8 is smoother, the diffuse reflection effect can be optimized, and the use experience is better.
Example 3:
the present invention provides a whiteboard coated by the surface coating process for whiteboards of embodiment 1 or embodiment 2 above.
The base plate comprises a base plate 1, wherein a plurality of wales for increasing the surface roughness of the base plate 1 are printed on the base plate, and the wales comprise vertical wales 4 and inclined plane wales; the top of the vertical wale 4 is in a spherical crown shape; the top of the inclined plane convex line is provided with an inclined arc surface 8;
the inclined plane wales comprise any one or more of a weak left inclined plane wale 3 with an inclined arc surface 8 at the left side of the top, a strong left inclined plane wale 2, a weak right inclined plane wale 5 with an inclined arc surface 8 at the right side of the top and a strong right inclined plane wale;
when the inclined ribs are plural, the vertical ribs 4 and the plural inclined ribs are provided at intervals.
As an alternative embodiment, the left side of the top of the weak left inclined plane ridge 3 is provided with an inclined cambered surface 8 with an included angle n of 15-25 degrees (preferably, an included angle of 20 degrees) with the horizontal plane;
the right side of the top of the weak right inclined plane wale 5 is provided with an inclined cambered surface 8 which forms an included angle of 15-25 degrees (preferably, the included angle is 20 degrees) with the horizontal plane;
the left side of the top of the strong left inclined plane convex pattern 2 is provided with an inclined cambered surface 8 with an included angle m of 25-40 degrees (preferably 35 degrees) with the horizontal plane;
the right side of the top of the strong right inclined plane convex line is provided with an inclined cambered surface 8 with an included angle of 25-40 degrees (preferably 35 degrees) with the horizontal plane.
As an alternative, when the inclined ribs are plural, the vertical ribs 4 and the inclined ribs are printed in rows, respectively, and the bottom distance g between two adjacent vertical ribs 4 or two inclined ribs in each row is 2.5 to 3.5mm (preferably 3.0mm), and the bottom distance e between two adjacent rows is 2.5 to 3.5mm (preferably 3.0 mm).
As an alternative embodiment, the bottom diameters f of the weak left oblique rib 3, the strong left oblique rib 2, the weak right oblique rib, and the strong right oblique rib are all 0.8mm to 1.2mm (preferably 1.0 mm).
As an alternative embodiment, the chamfer has a coating groove 6 formed thereon as a result of the inclination.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.
Claims (9)
1. A whiteboard comprising a base having a plurality of ribs printed thereon for increasing surface roughness, said whiteboard comprising: the ribs comprise vertical ribs and inclined plane ribs; the top of the vertical wale is in a spherical crown shape; the top of the inclined plane convex line is provided with an inclined arc surface;
the inclined plane convex patterns comprise any one or more of a weak left inclined plane convex pattern with an inclined arc surface on the left side of the top, a strong left inclined plane convex pattern with an inclined arc surface on the left side of the top, a weak right inclined plane convex pattern with an inclined arc surface on the right side of the top and a strong right inclined plane convex pattern with an inclined arc surface on the right side of the top;
when the inclined plane convex lines are various, the vertical convex lines and the various inclined plane convex lines are arranged at intervals;
the left side of the top of the weak left inclined plane convex line is provided with an inclined arc surface with an included angle of 15-25 degrees with the horizontal plane;
the right side of the top of the weak right inclined plane convex line is provided with an inclined arc surface with an included angle of 15-25 degrees with the horizontal plane;
the left side of the top of the strong left inclined plane convex line is provided with an inclined arc surface with an included angle of 25-40 degrees with the horizontal plane;
the right side of the top of the strong right inclined plane convex line is provided with an inclined arc surface with an included angle of 25-40 degrees with the horizontal plane.
2. A surface coating process for a whiteboard as claimed in claim 1, characterized in that: the method comprises the following steps:
(1) determining the type of relief printing according to the installation position of the whiteboard:
installing the components at the middle front position: printing at least one of a vertical wale, a weak left inclined plane wale and a strong left inclined plane wale and at least one of a weak right inclined plane wale and a strong right inclined plane wale;
② mounting at the front position of the left side: printing a vertical wale and at least one of a weak right inclined plane wale and a strong right inclined plane wale;
mounting at the front position of the right side: printing a vertical wale and at least one of a weak left inclined plane wale and a strong left inclined plane wale;
(2) when a plurality of wales need to be printed, one wale is selected for printing, and after the wale is set, the next wale is printed until the last wale is printed and set.
3. The surface coating process for whiteboards according to claim 2, characterized in that: in the step (1) and the step (2), when the device is arranged at the front position of the left side: printing vertical ribs, weak right bevel ribs, and strong right bevel ribs.
4. The surface coating process for whiteboards according to claim 2, characterized in that: in the third step (1), when the device is arranged at the front position of the right side: printing a vertical relief, a weak left bevel relief, and a strong left bevel relief.
5. The surface coating process for whiteboards according to claim 2, characterized in that: in the step (2), the vertical wales and the various inclined plane wales are respectively printed in a row shape and are printed at intervals one by one.
6. A surface coating process for a whiteboard according to any of claims 2 to 5, wherein: in the step (2), the method for printing the weak right inclined plane relief pattern, the strong right inclined plane relief pattern, the weak left inclined plane relief pattern and the strong left inclined plane relief pattern comprises the following steps:
rolling on the surface of a bottom plate by a rolling brush stained with paint to form convex patterns;
lifting the left side or the right side of the bottom plate to enable the bottom plate to incline, enabling the coating on the convex patterns to flow to the lower part, and forming inclined arc surfaces on the right side or the left side of the tops of the convex patterns;
and thirdly, when the bottom plate is laid flat and the coating cannot flow again, the bottom plate is placed to a horizontal position to wait for the coating to solidify.
7. The surface coating process for whiteboards according to claim 6, characterized in that: in the step (2), when the left side or the right side of the bottom plate is lifted, the included angle between the bottom plate and the horizontal plane is 15-40 degrees; the raised state is maintained for 40-100 seconds.
8. The surface coating process for whiteboards according to claim 7, characterized in that: a step A is also arranged between the step II and the step III in the step (2), and the steps specifically comprise:
A. when the paint is not completely cured, the right side or the left side of the base plate is lifted to be inclined, and the paint is refluxed.
9. The surface coating process for whiteboards according to claim 8, wherein: when the step (A) is provided, the step (A),
in the step (2), when the left side or the right side of the bottom plate is lifted, the included angle between the bottom plate and the horizontal plane is 15-40 degrees; keeping the lifting state for 20-50 seconds;
in the step (2) A, when the right side or the left side of the bottom plate is lifted, the included angle between the bottom plate and the horizontal plane is 18-60 degrees; the raised state needs to be maintained for 100-120 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910644989.2A CN110525086B (en) | 2019-07-17 | 2019-07-17 | White board and surface coating process for white board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910644989.2A CN110525086B (en) | 2019-07-17 | 2019-07-17 | White board and surface coating process for white board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110525086A CN110525086A (en) | 2019-12-03 |
| CN110525086B true CN110525086B (en) | 2021-04-27 |
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| US4206969A (en) * | 1979-04-11 | 1980-06-10 | Minnesota Mining And Manufacturing Company | Directional front projection screen |
| US7158299B2 (en) * | 2003-09-26 | 2007-01-02 | Dai Nippon Printing Co., Ltd. | Projection screen and projection system comprising the same |
| JP2008116911A (en) * | 2006-10-13 | 2008-05-22 | Seiko Epson Corp | Screen and projection system |
| CN203142161U (en) * | 2012-08-28 | 2013-08-21 | 张大海 | Light-emitting blackboard |
| CN203825353U (en) * | 2014-03-20 | 2014-09-10 | 深圳市真屏科技发展有限公司 | Oriented light intensifying and anti-ambient light projection screen for short-focus projection equipment |
| KR20150114682A (en) * | 2014-04-02 | 2015-10-13 | 엘지전자 주식회사 | Reflecting screen |
| JP6414212B2 (en) * | 2014-06-02 | 2018-10-31 | Ａｇｃ株式会社 | Video projection structure, video projection structure manufacturing method, video projection method, and automobile window |
| CN205302246U (en) * | 2015-12-31 | 2016-06-08 | 深圳市鸿合创新信息技术有限责任公司 | Light reflex board and whiteboard |
| CN206057784U (en) * | 2016-07-28 | 2017-03-29 | 北京新唐思创教育科技有限公司 | Optical projection system and curtain are being thrown just |
| CN107664914A (en) * | 2016-07-28 | 2018-02-06 | 北京新唐思创教育科技有限公司 | It is positive to throw optical projection system and positive throwing method for controlling projection and curtain |
| CN109752911A (en) * | 2017-11-07 | 2019-05-14 | 深圳光峰科技股份有限公司 | Anti-light screen and its manufacturing method |
| CN109884855A (en) * | 2017-12-05 | 2019-06-14 | 深圳光峰科技股份有限公司 | Anti-light screen and its manufacturing method |
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