UV lens fixing structure of 3D printer

Abstract

The utility model belongs to the technical field of 3D printer accessories, and particularly relates to a UV lens fixing structure of a 3D printer, which comprises a mounting plate, a lens is placed at the upper end of the mounting plate, the mounting plate is in contact with a limiting frame, the limiting frame is in contact with the lens, a sleeve is fixedly connected inside the mounting plate, and the sleeve is fixedly connected with the mounting plate. The upper end of the sleeve is in contact with a fixing frame, the fixing frame is in contact with the lens, the lower end of the fixing frame is fixedly connected with a sliding rod, and the sliding rod is in sliding connection with the sleeve. Through the arrangement of the fixing frame, the limiting sleeve, the threaded rod and other parts, the limiting sleeve and the threaded rod can do threaded motion by rotating the limiting sleeve, so that the threaded rod drives the fixing frame to fix the lens, the lens can be more conveniently and rapidly installed, and the problems that the UV lens of the 3D printer is inconvenient to fix during installation, and the lens is not convenient to install are solved. And therefore, the problem that the UV lens of the 3D printer is inconvenient to mount is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printer accessories, in particular to a UV lens fixing structure of a 3D printer. Background Art

[0002] The UV lens of a 3D printer actually refers to a specific optical component used for ultraviolet curing, which is commonly found in SLA (photocuring) or DLP (digital light processing) type 3D printers. The main function of the UV lens is to focus the ultraviolet (UV) beam onto the photosensitive resin on the printing platform to achieve its curing. According to the utility model with patent authorization announcement number CN202305958U, a new multifunctional UV lens assembly is disclosed, including a first cover body, at least one UV lens and a second cover body, one end of the first cover body is provided with a first thread that is compatible with the front thread at one end of the UV lens, and the second cover body is provided with a second thread that is compatible with the rear thread at the other end of the UV lens, and the front thread and rear thread of the UV lens are compatible thread structures. The utility model completes the sealed connection of a UV lens by adapting the front thread of the UV lens itself to the first cover body, and adapting the rear thread of the UV lens itself to the second cover body; and because the front thread and the rear thread of the UV lens are adapted, the UV lenses can be connected to each other to form a plurality of sealed UV lens components connected in sequence; this not only saves the placement space of the UV lens components, but also achieves the effect of dust prevention, scratch prevention and shock prevention. However, it is inconvenient to fix the UV lens of the 3D printer during installation, resulting in the inconvenience of installing the UV lens of the 3D printer. Utility Model Content

[0003] The purpose of the utility model is to provide a UV lens fixing structure for a 3D printer, which solves the problem that the UV lens of the 3D printer is inconvenient to fix during installation, resulting in the inconvenience of installing the UV lens of the 3D printer.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a UV lens fixing structure of a 3D printer, comprising a mounting plate, a lens is placed on the upper end of the mounting plate, the mounting plate contacts a limiting frame, the limiting frame contacts the lens, a sleeve is fixedly connected inside the mounting plate, the upper end of the sleeve contacts a fixing frame, the fixing frame contacts the lens, a sliding rod is fixedly connected to the lower end of the fixing frame, the sliding rod is slidably connected to the sleeve, a limiting ring is fixedly connected inside the sleeve, a limiting block is rotatably connected inside the mounting plate, a protrusion is fixedly connected to the outer side of the limiting block, an annular groove is opened inside the mounting plate, a protrusion is slidably connected inside the annular groove, the upper end of the limiting block is fixedly connected to the limiting sleeve, and the lower end of the fixing frame is fixedly connected to a threaded rod.

[0005] Preferably, a slider is fixedly connected to the lower end of the limit frame, and the slider is slidably connected to the mounting plate. A fixing rod is fixedly connected to the inside of the mounting plate, and the fixing rod is slidably sleeved with the slider. A spring is provided on the outer side of the fixing rod. Through the design of the limit frame, the lens can be limited so that the lens remains centered when fixed.

[0006] Preferably, one end of the spring contacts the slider, and the other end of the spring contacts the mounting plate. The design of the spring can drive the limit frame to limit the lens.

[0007] Preferably, the limiting ring is slidably sleeved with the slide bar, and the limiting ring is in contact with the fixing frame. The limiting ring can play a limiting role on the slide bar through the design of the limiting ring.

[0008] Preferably, the limiting sleeve is in contact with the mounting plate, and the limiting sleeve is in contact with the fixing frame. The position of the threaded rod can be adjusted through the design of the limiting sleeve.

[0009] Preferably, the threaded rod is slidably connected to the limit block, the threaded rod is slidably connected to the mounting plate, and the threaded rod is threadedly connected to the limit sleeve. The design of the threaded rod can drive the fixing frame to move.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model is provided with a fixing frame, a limiting sleeve, a threaded rod and other components. The limiting sleeve can be rotated to make a threaded movement between the limiting sleeve and the threaded rod, so that the threaded rod drives the fixing frame to fix the lens, which makes the lens more convenient to install and solves the problem that it is inconvenient to fix the UV lens of the 3D printer during installation, resulting in the inconvenience of installing the UV lens of the 3D printer.

[0012] 2. The utility model provides a limit frame, a slider, a spring and other components, so that the spring can drive the limit frame to clamp the lens, thereby clamping lenses of different specifications, so that the lens can be kept centered during installation, making the lens installation more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 For the utility model Figure 1 A sectional perspective view of

[0015] Figure 3 For the utility model Figure 1 A bottom sectional view of

[0016] Figure 4 For the utility model Figure 2A magnified view of the structure of part A;

[0017] Figure 5 For the utility model Figure 3 Enlarged view of the structure of part B in .

[0018] In the figure: 1, mounting plate; 2, lens; 3, limit frame; 31, slider; 32, fixing rod; 33, spring; 4, sleeve; 41, fixing frame; 42, slider; 43, limit ring; 5, limit block; 51, protrusion; 52, ring groove; 53, limit sleeve; 54, threaded rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-5 A UV lens fixing structure of a 3D printer includes a mounting plate 1, a lens 2 is placed on the upper end of the mounting plate 1, a limiting frame 3 is contacted on the mounting plate 1, the limiting frame 3 is in contact with the lens 2, a slider 31 is fixedly connected to the lower end of the limiting frame 3, the slider 31 is slidably connected to the mounting plate 1, a fixing rod 32 is fixedly connected inside the mounting plate 1, the fixing rod 32 is slidably sleeved with the slider 31, a spring 33 is arranged on the outer side of the fixing rod 32, one end of the spring 33 is in contact with the slider 31, and the other end of the spring 33 is in contact with the mounting plate 1, through the design of the spring 33, the limiting frame 3 can be driven to limit the lens 2, through the design of the limiting frame 3, the lens 2 can be limited, so that the lens 2 remains centered when fixed.

[0021] See also Figure 2-5 A sleeve 4 is fixedly connected inside the mounting plate 1, and the upper end of the sleeve 4 contacts a fixing frame 41, and the fixing frame 41 contacts the lens 2. A sliding rod 42 is fixedly connected to the lower end of the fixing frame 41, and the sliding rod 42 is slidably connected to the sleeve 4. A limiting ring 43 is fixedly connected inside the sleeve 4, and the limiting ring 43 is slidably sleeved with the sliding rod 42, and the limiting ring 43 contacts the fixing frame 41. Through the design of the limiting ring 43, the sliding rod 42 can be limited.

[0022] See also Figure 2-5The inner part of the mounting plate 1 is rotatably connected to the limiting block 5, and the outer side of the limiting block 5 is fixedly connected with a protrusion 51. The inner part of the mounting plate 1 is provided with an annular groove 52, and the inner part of the annular groove 52 is slidably connected with the protrusion 51. The upper end of the limiting block 5 is fixedly connected to the limiting sleeve 53, and the limiting sleeve 53 contacts the mounting plate 1, and the limiting sleeve 53 contacts the fixing frame 41. Through the design of the limiting sleeve 53, the position of the threaded rod 54 can be adjusted, and the lower end of the fixing frame 41 is fixedly connected with a threaded rod 54, and the threaded rod 54 is slidably connected to the limiting block 5, and the threaded rod 54 is slidably connected to the mounting plate 1. The threaded rod 54 is threadedly connected to the limiting sleeve 53, and the design of the threaded rod 54 can drive the fixing frame 41 to move.

[0023] The specific implementation process of the utility model is as follows: when in use, by moving the two limiting frames 3 in the direction, the limiting frames 3 drive the slider 31 to move, the slider 31 moves on the fixing rod 32, the slider 31 presses the spring 33, and then the lens 2 is placed on the mounting plate 1 and placed between the two limiting frames 3, and then the limiting frames 3 are released, and then the slider 31 is driven to move by the elastic force of the spring 33, the slider 31 drives the limiting frames 3 to move, and the limiting frames 3 clamp the lens 2, so that the lens 2 can be limited and the lens 2 can be kept centered;

[0024] By rotating the limiting sleeve 53, the limiting sleeve 53 and the threaded rod 54 are threadedly moved, the threaded rod 54 slides in the limiting sleeve 53, and the threaded rod 54 drives the fixing frame 41 to move, so that the fixing frame 41 can fix the lens 2, thereby keeping the lens 2 stable.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A UV lens fixing structure for a 3D printer, comprising a mounting plate (1), characterized in that: A lens (2) is placed on the upper end of the mounting plate (1), a limiting frame (3) is in contact with the mounting plate (1), the limiting frame (3) is in contact with the lens (2), a sleeve (4) is fixedly connected inside the mounting plate (1), the upper end of the sleeve (4) is in contact with a fixing frame (41), the fixing frame (41) is in contact with the lens (2), a sliding rod (42) is fixedly connected to the lower end of the fixing frame (41), the sliding rod (42) is slidably connected with the sleeve (4), The interior of the sleeve (4) is fixedly connected to a limit ring (43), the interior of the mounting plate (1) is rotatably connected to a limit block (5), the outer side of the limit block (5) is fixedly connected to a protrusion (51), the interior of the mounting plate (1) is provided with an annular groove (52), the interior of the annular groove (52) is slidably connected to a protrusion (51), the upper end of the limit block (5) is fixedly connected to a limit sleeve (53), and the lower end of the fixing frame (41) is fixedly connected to a threaded rod (54).

2. The UV lens fixing structure of a 3D printer according to claim 1, characterized in that: The lower end of the limiting frame (3) is fixedly connected to a slider (31), the slider (31) is slidably connected to the mounting plate (1), the interior of the mounting plate (1) is fixedly connected to a fixing rod (32), the fixing rod (32) is slidably sleeved with the slider (31), and a spring (33) is arranged on the outer side of the fixing rod (32).

3. The UV lens fixing structure of a 3D printer according to claim 2, characterized in that: One end of the spring (33) contacts the slider (31), and the other end of the spring (33) contacts the mounting plate (1).

4. The UV lens fixing structure of a 3D printer according to claim 1, characterized in that: The limiting ring (43) is slidably sleeved with the sliding rod (42), and the limiting ring (43) is in contact with the fixing frame (41).

5. The UV lens fixing structure of a 3D printer according to claim 1, characterized in that: The limiting sleeve (53) is in contact with the mounting plate (1), and the limiting sleeve (53) is in contact with the fixing frame (41).

6. The UV lens fixing structure of a 3D printer according to claim 1, characterized in that: The threaded rod (54) is slidably connected to the limiting block (5), the threaded rod (54) is slidably connected to the mounting plate (1), and the threaded rod (54) is threadedly connected to the limiting sleeve (53).

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