CN216683841U

CN216683841U - Excimer skin-touch metal surface UV writing board and teaching equipment

Info

Publication number: CN216683841U
Application number: CN202220156836.0U
Authority: CN
Inventors: 刘建刚
Original assignee: Shenzhen Zhongji Composite Materials Co ltd
Current assignee: Shenzhen Zhongji Composite Materials Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-06-07
Anticipated expiration: 2032-01-20

Abstract

The application discloses an excimer skin-feel metal surface UV writing board which is characterized by comprising a substrate layer and a coating layer, wherein the coating layer is coated on the side surface of the substrate layer; the coating layer comprises a primer layer, a sanding layer and a finish paint layer; the primer layer and the sanding layer are positioned between the finish paint layer and the substrate layer, and the primer layer is positioned between the sanding layer and the substrate layer; and the surface paint layer adopts UV laser surface paint. The blackboard eraser can avoid the phenomenon that the blackboard still has writing marks after being erased, and is convenient to use. The teaching equipment comprises a frame body, electronic display equipment, an excimer skin-touch metal surface UV writing board and a blackboard eraser; the electronic display equipment and the excimer skin-sensitive metal surface UV writing board are connected to the frame body; the blackboard eraser is provided with a magnet, so that the blackboard eraser is adsorbed on the excimer skin-sensitive metal surface UV writing board.

Description

Excimer skin-touch metal surface UV writing board and teaching equipment

Technical Field

The application relates to the field of teaching equipment, in particular to an excimer skin-sensitive metal surface UV writing board and teaching equipment.

Background

The blackboard is one of the most commonly used teaching devices. At present, a blackboard of a school basically adopts a blackboard eraser mode to remove chalk marks left on the blackboard, and after the existing blackboard is erased for many times, a large number of writing marks are left on the existing blackboard due to the fact that the existing blackboard is not easy to erase cleanly, and characters written on the blackboard are difficult to see clearly.

In addition, in the practical use process, the blackboard eraser is extremely easy to place at other places, so that the blackboard eraser cannot be obtained in time, and the normal teaching progress is influenced.

Disclosure of Invention

The application aims to provide an excimer skin-feel metal surface UV writing board and teaching equipment, which can avoid the phenomenon that a blackboard still has writing marks after being wiped and is convenient for the use of a blackboard eraser.

In order to achieve the above object, one aspect of the present application provides an excimer skin-feel metal surface UV writing board, which is characterized by comprising a substrate layer and a coating layer, wherein the coating layer is coated on the side surface of the substrate layer; the coating layer comprises a primer layer, a sanding layer and a finish paint layer; the primer layer and the sanding layer are positioned between the finish paint layer and the substrate layer, and the primer layer is positioned between the sanding layer and the substrate layer; and the surface paint layer adopts UV laser surface paint.

In order to achieve the above object, another aspect of the present application further provides a teaching device, which includes a frame, an electronic display device, an excimer skin-touch metal surface UV tablet, and a blackboard eraser; the electronic display equipment and the excimer skin-sensitive metal surface UV writing board are connected to the frame body; the blackboard eraser is provided with a magnet, so that the blackboard eraser is adsorbed on the excimer skin-sensitive metal surface UV writing board.

Therefore, according to the technical scheme provided by the application, the coating layer is provided with the primer layer, the sanding layer and the finish layer, the finish layer is UV laser finish, and the coating layer is cured by the excimer lamp and the mercury lamp in the coating process, so that the finish layer has strong hydrophilicity and fine skin feeling effect, and has strong anti-pollution performance, and chalk and water-soluble chalk are easy to wipe, clean and wash.

Simultaneously, the board of this application is bordured and is adopted the radium-shine banding strip banding design of plastics, has saved the combination of metal frame, can adopt direct concatenation mounting means, saves the process, and it is more convenient to make.

Meanwhile, the reinforcing piece is arranged on the back of the writing board, so that the strength of the writing board is effectively guaranteed, and the writing board is prevented from being damaged and bent due to stress.

Simultaneously, the teaching equipment of this application combines board and wisdom screen to but the blackboard eraser magnetism is inhaled on the board, in the teaching use, and is intelligent more and convenient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic diagram of a half-section structure of an excimer skin-touch metal surface UV writing board in one embodiment provided by the present application;

FIG. 2 is a schematic diagram of a half-section structure of an excimer skin-feel metal surface UV writing board in another embodiment provided by the present application;

FIG. 3 is an isometric view of an excimer skin-sensitive metal-faced UV tablet in one embodiment provided herein;

fig. 4 is a schematic structural diagram of a teaching device in an embodiment provided by the present application.

Detailed Description

To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings. Terms such as "upper," "above," "lower," "below," "first end," "second end," "one end," "another end," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Furthermore, the terms "mounted", "disposed", "provided", "connected", "slidably connected", "fixed" and "sleeved" are to be understood in a broad sense. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, in the assembly working process of the existing blackboard, the outer edge wrapping is usually performed by adopting a metal frame, the installation process is complex, and the appearance is not attractive. The existing blackboard can only be used on a single side, and when a teacher writes, the blackboard needs to be wiped back and forth, which also influences the teaching progress.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. It should be apparent that the embodiments described in this application are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments in the present application, are within the scope of protection of the present application.

In an implementation mode, referring to fig. 1 in particular, an excimer skin-touch metallic UV writing board a has a substrate layer 1 and a paint layer 2, and the paint layer 2 is coated on the side of the substrate layer 1. Wherein, the coating layer 2 comprises a primer layer 21, a sanding layer 22 and a finishing paint layer 23. The primer layer 21 and the frosted layer 22 are positioned between the finishing paint layer 23 and the substrate layer 1, and the primer layer 21 is positioned between the frosted layer 22 and the substrate layer 1.

In practical application, the top paint layer 23 may adopt a UV laser finish paint, wherein the UV laser finish paint may be composed of the following components in percentage by weight: 30-57% of resin, 29-40% of hydroxyethyl methacrylate (HEMA), 8-20% of fumed silica, 4-7% of photoinitiator and 1.8-4.8% of dispersant and/or defoamer. In the coating process, the paint can be coated according to the rule of 25-30 g/square meter and is subjected to semi-curing by an excimer lamp and full-curing by a mercury lamp, so that the paint surface has strong hydrophilic and fine skin feel effects, strong stain resistance, and easy wiping, cleaning and water washing resistance by chalk and water-soluble chalk. In other words, when the blackboard full of chalk characters is erased, the blackboard is easier to erase, chalk marks are not easy to be generated, and the use is affected.

The primer layer 21 is used for being coated on the surface of the substrate layer 1 and leveling the substrate layer 1, so that the situation that pits exist on the side face of the substrate layer 1 to influence subsequent coating is avoided, and meanwhile, the primer layer 21 is used for coloring and endowing the composite layer with colors. The primer layer 21 may be applied in a coating amount of from 10 to 15 grams per square meter and pre-cured using a mercury lamp. The sanding layer 22 can adopt a sanding primer, and the sanding primer consists of the following raw materials in percentage by weight: 60-65% of bisphenol A type epoxy resin E-4260-65%, 2-3% of benzophenone, 78-30% of TPGDA20, 10-15% of n-butyl alcohol, 2-3% of modified carborundum, 2-2% of nano S iO 21, 0.5-0.8% of defoaming agent and 0.4-0.6% of dispersing agent. The sanding layer 22 is coated according to the coating amount of 10-15 g/square meter, and is subjected to pre-curing treatment by using a mercury lamp, so that the formed sanding layer coating has the advantages of low volatilization, low odor, good hardness, good sanding property and easiness in sanding, the formed writing board is more environment-friendly, has wear resistance and is more durable.

In an achievable embodiment, the substrate layer 1 can be a high-density medium density fiberboard with a thickness of 15mm, and has compact texture, good stability and difficult deformation.

In one implementation, referring specifically to fig. 2, the excimer skin-touch metal-faced UV writing board further comprises an iron-containing layer 3 and an adhesion layer 4. The iron-containing layer 3 is positioned between the paint layer 21 and the substrate layer 1, and the iron-containing layer 3 is connected to the side of the substrate layer 1 through the adhesion layer 4.

In the present embodiment, iron sheet or magnetic sheet may be used as the iron-containing layer 3. Of course, the iron-containing layer 3 may also comprise a mixture containing iron filings or magnetic iron filings. The adhesive layer 4 may be an adhesive so that the iron-containing layer 3 may be adhered to one side of the base layer 1.

Further, the substrate layer 1 is a high-density medium density fiberboard with the thickness of 15 mm; the iron-containing layer 3 is made of iron sheet, and the thickness of the iron sheet is 0.14 mm.

In one implementation, referring to fig. 2 and 3 together, the excimer skin-touch metal-faced UV writing board may further include a covering 5. The wrapping edges 5 are wrapped at two ends or the periphery of the excimer skin-feeling metal surface UV writing board. The edge-covering 5 is formed by edge-sealing with a laser edge-sealing strip, the color of the edge-covering 5 is consistent with that of the coating layer 2, the frameless effect is improved, and the whole attractiveness of the excimer skin-touch metal surface UV writing board is guaranteed.

In order to realize the function of writing on both sides of the writing board. In one embodiment, the paint layer 2, the iron-containing layer 3, and the adhesive layer 4 have two layers, respectively, and the two paint layers 2, the two iron-containing layers 3, and the two adhesive layers 4 are located on both sides of the base layer 1, respectively, so that both sides of the tablet can be written without distinguishing the front and back sides when installed and used.

Further, a reinforcing member 6 is arranged on the side of the substrate layer 1 far away from the paint layer 2. The reinforcing members 6 are specifically two, two reinforcing members 6 are arranged in parallel and at intervals, and each reinforcing member 6 extends along the length direction of the substrate layer 1. Wherein, the reinforcement 6 can adopt a metal section bar reinforcing rib, thereby ensuring the flatness of the section bar and preventing the product from deforming.

It should be noted that the substrate layer 1 has a generally rectangular structure, and the longitudinal direction of the substrate layer 1 in this application is the long side direction of the rectangular structure.

Based on the same inventive concept, the application also provides teaching equipment which can comprise a frame body 7, electronic display equipment 8, an excimer skin-feeling metal surface UV writing board and a blackboard eraser 9. The electronic display device 8 and the excimer skin-sensitive metal surface UV writing board are connected on the frame body 7. The blackboard eraser 9 is provided with a magnet, so that the blackboard eraser 9 can be adsorbed on the excimer skin-feeling metal surface UV writing board. That is to say, blackboard eraser 9 can direct magnetism be inhaled on excimer skin feels metal covering UV board after using to need not additionally to place blackboard eraser 9, and the below of teaching equipment also need not additionally to add and places the platform that drags, not only convenient to use, and make the whole of teaching equipment more pleasing to the eye.

In practical application, the electronic display device 8 and the excimer skin-sensitive metal surface UV writing board can be clamped in the frame body 7. Specifically, the frame body 7 may include an upper card sleeve and a lower card sleeve, and the electronic display device 8 and the excimer skin-sensitive metal surface UV tablet are clamped between the upper card sleeve and the lower card sleeve.

Further, there may be two excimer skin-touch metal-faced UV writing boards, and the electronic display device 8 is located between the two excimer skin-touch metal-faced UV writing boards.

Further, the electronic display device 8 may be a smart screen, but is not limited to a smart screen.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The excimer skin-feel metal surface UV writing board is characterized by comprising a base layer and a coating layer, wherein the coating layer is coated on the side surface of the base layer;

the coating layer comprises a primer layer, a sanding layer and a finish paint layer;

the primer layer and the sanding layer are positioned between the finish paint layer and the substrate layer, and the primer layer is positioned between the sanding layer and the substrate layer;

and the surface paint layer adopts UV laser surface paint.

2. The excimer skin-touch metal-faced UV writing board of claim 1, wherein the excimer skin-touch metal-faced UV writing board further comprises an iron-containing layer and an adhesion layer;

the iron-containing layer is located between the coating layer and the substrate layer, and the iron-containing layer is connected to the side of the substrate layer through the adhesive layer.

3. The excimer skin-touch metal-faced UV writing board of claim 2, wherein the excimer skin-touch metal-faced UV writing board further comprises a covered edge;

the wrapping edges are wrapped at two ends or the periphery of the excimer skin-feeling metal surface UV writing board.

4. The excimer skin-feel metal-faced UV writing board of claim 3, wherein the hem is formed with a laser edge banding, and the hem is in color with the paint layer.

5. The excimer skin-touch metal-faced UV writing board of claim 2 or 4, wherein the paint layer, the iron-containing layer and the adhesive layer each have two layers, and two of the paint layer, two of the iron-containing layer and two of the adhesive layer are located on either side of the base layer.

6. The excimer skin-feel metal-faced UV writing board of claim 2, wherein the base layer is a high-density medium density fiberboard with a thickness of 15 mm; the iron-containing layer is made of iron sheet, and the thickness of the iron sheet is 0.14 mm.

7. The excimer skin-feel metal-faced UV tablet of claim 4, wherein a side of the base layer away from the paint layer is provided with a reinforcement;

the reinforcing parts are specifically two, the two reinforcing parts are arranged in parallel and at intervals, and each reinforcing part extends along the length direction of the substrate layer.

8. Teaching equipment, which is characterized by comprising a frame body, electronic display equipment, a blackboard eraser and the excimer skin-feeling metal surface UV writing board according to claim 7;

the electronic display equipment and the excimer skin-sensitive metal surface UV writing board are connected to the frame body;

the blackboard eraser is provided with a magnet, so that the blackboard eraser is adsorbed on the excimer skin-sensitive metal surface UV writing board.

9. Instructional device according to claim 8, characterized in that said excimer skin-sensitive metal-faced UV writing board is embodied in two and that said electronic display device is located between two of said excimer skin-sensitive metal-faced UV writing boards.

10. Instructional device according to claim 9, characterized in that the electronic display device employs a smart screen.