Photocuring 3D printer screen

Abstract

The utility model provides a photocuring 3D printer screen, the photocuring 3D printer screen comprises an LCD screen and a high polymer material condensation film, the LCD screen is provided with a pixel dot matrix, the high polymer material condensation film is located at the light-emitting side of the LCD screen, the high polymer material condensation film and the LCD screen are tightly attached or spaced, and the high polymer material condensation film is located at the light-emitting side of the LCD screen. A plurality of light condensation salient points are arranged on one surface, back to the LCD screen, of the high polymer material light condensation film, and the position of one light condensation salient point corresponds to one or more pixel points of the LCD screen. The photocuring 3D printer screen has a light condensation effect, so that the image definition and energy are improved, and meanwhile, the phenomenon that the edge of the bottom layer of the trough repeatedly deforms and becomes loose due to adhesion of the screen and the trough can be prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of light-cured 3D printer screen, especially a kind of light-cured 3D printer screen with light-collecting effect and prevent screen and trough stick. BACKGROUND

[0002] Light-cured 3D printer is through screen and emits specific shape image and irradiates to the flowability resin in trough to make the flowability resin in trough solidify a layer, then solidification layer is lifted to continue to irradiate, so repeated 3D printing product is obtained.The prior art has some defects, such as: the light emitted through screen is relatively dispersed, resulting in image definition and energy after irradiating to trough are weakened, for this, screen needs to be tightly attached to trough, tightly attached to trough can cause trough bottom layer to be lifted with printing solidification layer when printing solidification layer is lifted, and trough bottom layer is tightly attached to screen, which can cause trough bottom layer edge to become loose repeatedly with shape change. SUMMARY

[0003] Therefore, it is necessary to provide a light-cured 3D printer screen, which has light-collecting effect to improve image definition and energy, and can prevent screen and trough from sticking to cause trough bottom layer edge to become loose repeatedly with shape change.

[0004] The utility model provides a kind of light-cured 3D printer screen, the light-cured 3D printer screen includes LCD screen and high molecular material light-collecting film, the LCD screen has pixel dot matrix, the high molecular material light-collecting film is located the side of the LCD screen light emission, the high molecular material light-collecting film is tightly attached to or spaced apart from the LCD screen, the high molecular material light-collecting film has a plurality of light-collecting convex points on the side away from the LCD screen, and the position of one light-collecting convex point corresponds to one or more pixel points of the LCD screen.

[0005] Further, the high molecular material light-collecting film is an antistatic film, an anticorrosion film and / or an anti-scratch film.

[0006] Further, the maximum width of the light-collecting convex point is 0.3 mm-30 mm.

[0007] Further, the spacing between adjacent two light-collecting convex points is less than 4 mm.

[0008] Further, the cross section of the light-collecting convex point is circular.

[0009] Further, the thickness of the body of the high molecular material light-collecting film is 0.02 mm-2 mm, and the thickness of the light-collecting convex point is 0.01 mm-1 mm.

[0010] The utility model discloses have the following beneficial effects: the utility model discloses a LCD screen is arranged on the side of LCD screen light emission, the high polymer material condenser film is close to or interval with the LCD screen, the high polymer material condenser film has a plurality of condensing convex points on the side of the LCD screen, and the position of a condensing convex point corresponds to one or more pixel points of the LCD screen, and image will concentrate through the high polymer material condenser film, thereby can improve the image definition and energy, can reduce the solidification time of solidification layer and reduce the solidification layer edge sawtooth simultaneously, and because the condensing convex point exists on the high polymer material, even if the condensing convex point contacts the trough bottom layer, it also will not cause sticking and make the trough bottom layer edge repeatedly deformation become loose. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the structural schematic diagram of specific embodiment of the utility model.

[0012] Figure 2 It is Figure 1 The structure schematic diagram of the i after amplification. DETAILED DESCRIPTION

[0013] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the ordinary skilled in the art without creative work belong to the protection scope of the utility model. It can be understood that the drawings are only provided for reference and illustration, and are not used to limit the utility model. The connection relationship shown in the drawings is only for clear description, and does not limit the connection mode.

[0014] It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component, or a middle component can exist simultaneously. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. It should also be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanical connection, or electrical connection, or the communication between two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. The terms used in the specification of the utility model in this paper are only for the purpose of describing the specific embodiments, not intended to limit the utility model.

[0015] It should be noted that, in the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0016] Please refer to Figures 1-2 The utility model discloses a kind of light-cured 3D printer screens 100, the light-cured 3D printer screen 100 includes LCD screen 10 and high molecular material condenser film 20, the LCD screen 10 has pixel array ( Figure 2 The broken line shown in the drawing is regarded as pixel, and the required pattern is presented by the opening and closing of pixel, the high molecular material condenser film 20 is located at the light-emitting side of the LCD screen 10, the high molecular material condenser film 20 is close to or spaced from the LCD screen 10, the high molecular material condenser film 20 has a plurality of condensing convex points 22 on the side away from the LCD screen 10, and the position of one condensing convex point 22 corresponds to one or more pixels of the LCD screen 10.

[0017] The utility model sets up LCD screen 10 at the light-emitting side of LCD screen 10, the high molecular material condenser film 20 is close to or spaced from the LCD screen 10, the high molecular material condenser film 20 has a plurality of condensing convex points 22 on the side away from the LCD screen 10, and the position of one condensing convex point 22 corresponds to one or more pixels of the LCD screen 10, image will be condensed by the high molecular material condenser film 20, so as to improve image definition and energy, so as to reduce the curing time of curing layer and reduce the edge sawtooth of curing layer, and since there are condensing convex points 22 on the high molecular material, even if condensing convex point 22 contacts the bottom layer 210 of tank 200, the high molecular material condenser film 20 is not in full surface contact with the bottom layer 210 of tank 200, but intermittent contact, which will not cause sticking and cause the edge of the bottom layer 210 of tank 200 to repeatedly deform and become loose.

[0018] The high polymer light-concentrating film 20 is an anti-static film, an anti-corrosion film and / or an anti-scratch film.

[0019] In the embodiment, referring to Figure 2 As shown in the figure, the maximum width d1 of the light-concentrating convex point 22 is 0.3mm-30mm. The interval (gap) between two adjacent light-concentrating convex points 22 is less than 4mm. The cross section of the light-concentrating convex point 22 is circular. The thickness h1 of the body 21 of the high polymer light-concentrating film 20 is 0.02mm-2mm, and the thickness h2 of the light-concentrating convex point 22 is 0.01mm-1mm. The high polymer light-concentrating film 20 with thinner overall thickness can make the image light energy weaken less.

[0020] In the specification and claims of the present application, the words "comprise / comprising" and the words "have / having" and their conjugates, are used to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps, components, or groups thereof.

[0021] Some features of the present application are described in different embodiments for clarity, however, these features can also be combined in a single embodiment. Conversely, some features of the present application, which are described in a single embodiment, can also be described in different embodiments.

[0022] The above description is only the preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A screen for a photopolymer 3D printer, characterized in that, The screen of the photopolymer 3D printer includes an LCD screen and a polymer material light-concentrating film. The LCD screen has a pixel matrix, and the polymer material light-concentrating film is located on the light-emitting side of the LCD screen. The polymer material light-concentrating film is in close contact with or spaced from the LCD screen. The side of the polymer material light-concentrating film facing away from the LCD screen has a number of light-concentrating bumps, and the position of one light-concentrating bump corresponds to one or more pixels of the LCD screen.

2. The photopolymer 3D printer screen according to claim 1, characterized in that, The polymer material focusing film is an antistatic film and / or an anti-corrosion film and / or an anti-scratch film.

3. The photopolymer 3D printer screen according to claim 1, characterized in that, The maximum width of the focusing bump is 0.3 mm to 30 mm.

4. The photopolymer 3D printer screen according to claim 1, characterized in that, The distance between two adjacent focusing bumps is less than 4 mm.

5. The photopolymer 3D printer screen according to any one of claims 3-4, characterized in that, The cross-section of the focusing protrusion is circular.

6. The screen for a photopolymer 3D printer according to claim 1, characterized in that, The thickness of the polymer material light-concentrating film body is 0.02 mm to 2 mm, and the thickness of the light-concentrating bumps is 0.01 mm to 1 mm.

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