CN209971566U

CN209971566U - Photocuring 3D printer with parallel light source

Info

Publication number: CN209971566U
Application number: CN201920752475.4U
Authority: CN
Inventors: 林永宗
Original assignee: Echo Electronic Science And Technology Co Ltd Of Zhangzhou City
Current assignee: Echo Electronic Science And Technology Co Ltd Of Zhangzhou City
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-01-21
Anticipated expiration: 2029-05-23

Abstract

The utility model discloses a photocuring 3D printer with parallel light source, it is including the LED lamp plate, lens board and the LCD screen that set gradually, be equipped with a plurality of LED lamp pearl that is the array and arrange on the LED lamp plate, it is equipped with a plurality of convex lens that is the array and arrange to correspond on the lens board, the lens board sets up LED lamp plate top, LED lamp pearl is located on the focus of convex lens, the dispersed light source of LED lamp pearl passes through convex lens refraction forms parallel light source and throws the back of LCD screen. The utility model has the advantages of with LED lamp pearl upward dispersion light source form parallel light source through convex lens refraction effect, reduce the shaping error of printing the in-process, improve the shaping rate.

Description

Photocuring 3D printer with parallel light source

Technical Field

The utility model relates to a photocuring 3D printer with parallel light source.

Background

The light intensity of light emitted by a backlight source used by a liquid crystal screen of an existing photocuring 3D printer is different in different areas, the light intensity of a central area of the light source is high generally, and the light intensity of an edge area is lower than that of the central area, so that the defects of low yield, low forming efficiency and the like exist in the forming process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a photocuring 3D printer with parallel light source.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a photocuring 3D printer with parallel light source, its is including the LED lamp plate, lens board and the LCD screen that set gradually, be equipped with a plurality of LED lamp pearl that is the array and arrange on the LED lamp plate, it is equipped with a plurality of convex lens that is the array and arranges to correspond on the lens board, the lens board sets up LED lamp plate top, LED lamp pearl is located on the focus of convex lens, the dispersed light source of LED lamp pearl passes through convex lens refraction forms parallel light source and throws the back of LCD screen.

In another preferred embodiment, the convex lens is a plano-convex lens.

In another preferred embodiment, the LED lamp panel further comprises a screw, the LED lamp panel is provided with a plurality of studs, the lens panel is provided with holes matched with the studs, and the screw penetrates through the holes of the lens panel and is screwed into the studs of the LED lamp panel so as to fix the lens panel on the LED lamp panel.

In another preferred embodiment, the LED lamp further comprises a spring, wherein the spring is sleeved on the screw and abuts against the space between the LED lamp panel and the lens plate.

The utility model has the advantages that:

1. the light source that disperses of a plurality of LED lamp pearls on the LED lamp plate forms parallel light source through convex lens's refraction light modulation effect, reduces the forming error of photocuring 3D printing in-process, improves the shaping rate that photocuring 3D printed.

2. The plano-convex lens is convenient to manufacture, low in cost and good in focusing and transmitting effect.

3. Fix the lens board on the fixed column of LED lamp plate through the screw, strengthen overall stability.

4. Set up the distance between LED lamp plate and the lens board of the degree of screwing up of spring accessible adjusting screw regulation. The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the light-cured 3D printer with the parallel light source of the present invention is not limited to the embodiment.

Drawings

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

fig. 2 is an exploded view of a preferred embodiment of the present invention;

fig. 3 is a schematic light path diagram according to a preferred embodiment of the present invention.

Detailed Description

An embodiment, it is shown with reference to fig. 1 to 3, the utility model discloses a photocuring 3D printer with parallel light source, it is including the LED lamp plate 10, lens board 20 and the LCD screen 30 that set gradually, be equipped with 24 LED lamp pearls 11 that are the array and arrange on the LED lamp plate 10, be equipped with 24 convex lens 21 that are the array and arrange on the lens board 20, convex lens 21 is plano-convex lens, and every LED lamp pearl 11 is located the focus that corresponds convex lens 21, LED lamp pearl 11's dispersed light source passes through convex lens 21 refraction forms parallel light source and throws the back of LCD screen 30. The LED lamp panel 10 is provided with 4 studs 12, the lens plate 20 is provided with holes 14 matched with the studs 12, and screws are screwed into the studs 12 through the holes 14 so as to fix the lens plate 20 on the studs 12. In other embodiments, an adjusting spring may be further provided, and the spring is sleeved on the screw and abuts between the LED lamp panel 10 and the lens plate 20.

Referring to fig. 3, the LED lamp pearl 11 is gone up the scattered light source and is formed parallel light source through the 21 refraction effect of convex lens, compares traditional central region light intensity higher, and central region low 3D printer light source is compared to the light intensity of marginal area, and each regional light intensity of this embodiment is even to reduce the shaping error of printing the in-process, improve the shaping rate.

The above embodiments are only used to further illustrate the utility model discloses a photocuring 3D printer with parallel light source, but the utility model discloses do not limit to the embodiment, all be according to the utility model discloses a technical essence is any simple modification, equivalent change and modification made to above embodiments, all falls into the technical scheme's of the utility model protection within range.

Claims

1. The utility model provides a photocuring 3D printer with parallel light source which characterized in that: it is including the LED lamp plate, lens board and the LCD screen that set gradually, be equipped with a plurality of LED lamp pearl that is the array and arrange on the LED lamp plate, it is equipped with a plurality of convex lens that is the array and arranges to correspond on the lens board, the lens board sets up LED lamp plate top, LED lamp pearl is located on the focus of convex lens, the dispersed light source of LED lamp pearl passes through convex lens refraction forms parallel light source and throws the back of LCD screen.

2. The photocuring 3D printer with a collimated light source of claim 1, wherein: the convex lens is a plano-convex lens.

3. The photocuring 3D printer with a collimated light source of claim 1, wherein: the LED lamp panel is characterized by further comprising screws, a plurality of studs are arranged on the LED lamp panel, the lens panel is provided with holes matched with the studs, and the screws penetrate through the holes of the lens panel and are screwed into the studs of the LED lamp panel so as to fix the lens panel on the LED lamp panel.

4. The photocuring 3D printer with a collimated light source of claim 3, wherein: still include the spring, the spring cup joints on the screw and the top support be in the LED lamp plate with between the lens board.