An adjustable visible light curing 3D printing nozzle device

Abstract

This utility model relates to an adjustable visible light curing 3D printing nozzle device, comprising a nozzle tip, a cylindrical nozzle body, a curing lamp adjustment assembly, and a curing lamp. The nozzle tip is located at the lower end of the cylindrical nozzle body for extruding 3D printing filament. The body has a material channel inside to transport the filament, and an upper flange connects to the 3D printer's motion mechanism. At least two curing lamp adjustment assemblies are located on the flange, each connected to a curing lamp, and can be moved circumferentially along the flange to adjust the curing lamp position. This device can flexibly adjust the position and angle of the curing lamp according to the shape of the printed part, layer height, and curing characteristics of the filament, solving problems such as uneven curing, insufficient printing accuracy, and poor surface quality caused by fixed curing light sources in traditional equipment. Furthermore, the use of blue LED lamps improves curing efficiency and ensures printing stability and continuity.

Description

Technical Field

[0001] This utility model relates to the field of 3D printer technology, specifically to an adjustable visible light curing 3D printing nozzle device. Background Technology

[0002] 3D printing technology has wide applications in industrial manufacturing, medical, and cultural and creative industries, among which photopolymer 3D printing has attracted much attention due to its ability to achieve high precision. In photopolymer 3D printing technology, printing consumables (such as photopolymer resin) need to be rapidly cured and set under the irradiation of light of a specific wavelength (usually blue light). However, traditional 3D printing has many drawbacks. The position or angle of the curing light source in traditional photopolymer 3D printing (mostly ultraviolet light curing) is fixed, making it difficult to flexibly adjust according to the printing layer and sample structure, resulting in uneven curing and affecting printing accuracy and surface quality.

[0003] The curing light source of existing photopolymer 3D printing equipment is usually fixed. Its irradiation angle and range cannot be flexibly adjusted according to the shape of the printed part, layer height or curing characteristics of the consumables, which can easily lead to problems such as uneven curing, insufficient printing accuracy, poor surface quality or low printing efficiency. Utility Model Content

[0004] The purpose of this invention is to provide an adjustable visible light curing 3D printing nozzle device to solve the above-mentioned problems existing in current visible light curing 3D printing.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An adjustable visible light curing 3D printing nozzle device includes a nozzle tip, a cylindrical nozzle body, a curing lamp adjustment assembly, and a curing lamp. The nozzle tip is located at the lower end of the cylindrical nozzle body and is used to extrude 3D printing filament. The cylindrical nozzle body has a material channel inside for conveying the printing filament from an upper feeding system to the nozzle tip. A flange is located at the upper end of the cylindrical nozzle body for connecting to the motion mechanism of the 3D printer. The curing lamp adjustment assembly is located on the flange, and there are at least two curing lamp adjustment assemblies. Each curing lamp adjustment assembly is connected to the curing lamp. The curing lamp adjustment assembly is configured to move along the circumferential direction of the flange to adjust the position of the curing lamp.

[0007] Furthermore, the curing lamp adjustment assembly includes a knob and a mounting ball head. The flange has multiple arc-shaped grooves spaced circumferentially around its edge. The upper end of the mounting ball head is provided with a mounting post, which is located in the arc-shaped groove and can move along the arc-shaped groove. The lower end of the knob is provided with a stud, which is threadedly connected to the mounting post. The knob is used to tighten so that the mounting ball head is positioned in the arc-shaped groove.

[0008] Furthermore, a mounting sleeve is provided on the mounting ball head, and the curing lamp is connected to the mounting sleeve.

[0009] Furthermore, the lower end of the mounting sleeve is provided with a mounting surface, and the curing lamp is mounted on the mounting surface.

[0010] Furthermore, the mounting ball head is hollow, and a clearance groove is formed on the mounting ball head downward along the plane where the top of the mounting column is located. There are multiple clearance grooves, and each clearance groove is spaced apart along the circumference of the mounting column, so that the mounting column and the mounting ball head between two adjacent clearance grooves are elastic.

[0011] Furthermore, the mounting sleeve is hemispherical and is fitted onto the mounting ball head. The mounting sleeve can swing relative to the mounting ball head to adjust the angle of the curing lamp. The mounting ball head is configured to expand outward to fix the mounting sleeve after the stud is screwed into the mounting post.

[0012] Furthermore, the curing lamp is a blue LED lamp.

[0013] Furthermore, the curing lamp adjustment assembly includes a knob and a mounting ball head. The flange has two arc-shaped grooves spaced apart circumferentially on its edge. The upper end of the mounting ball head is provided with a mounting post, which is located in the arc-shaped groove and can move along the arc-shaped groove. The lower end of the knob is provided with a stud, which is threadedly connected to the mounting post. The knob is used to tighten so that the mounting ball head is positioned in the arc-shaped groove.

[0014] Furthermore, the nozzle tip is tapered for extruding 3D printing filament.

[0015] The beneficial effects of this utility model are:

[0016] This invention features at least two curing lamp adjustment components mounted on a flange. Each component is connected to a curing lamp and can move circumferentially along the flange, allowing for flexible adjustment of the curing lamp's position. This enables the curing lamp to be positioned optimally during printing, based on the shape, layer height, and curing characteristics of the filament. This ensures uniform irradiation of the filament across all areas, effectively solving the problem of uneven curing in traditional equipment and significantly improving printing accuracy and surface quality.

[0017] Furthermore, the mounting sleeve of this device can swing relative to the mounting ball head, thereby adjusting the angle of the curing lamp. When dealing with printed parts of different complex shapes, operators can adjust the curing lamp to a suitable illumination angle by swinging the mounting sleeve, allowing the light to more accurately illuminate the printing consumables, further improving the curing effect and print quality, and enhancing the device's adaptability to different printing needs. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the adjustable visible light curing 3D printing nozzle device of this utility model;

[0019] Figure 2 yes Figure 1 A structural diagram from another angle;

[0020] Figure 3 This is a schematic diagram of the curing lamp adjustment component in the adjustable visible light curing 3D printing nozzle device of this utility model;

[0021] Figure 4 This is a schematic diagram of the knob in the adjustable visible light curing 3D printing nozzle device of this utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the adjustable visible light curing 3D printing nozzle device of this utility model, which includes the installation of a ball head;

[0023] Figure 6 This is a schematic diagram of the mounting sleeve in the adjustable visible light curing 3D printing nozzle device of this utility model.

[0024] The names corresponding to each mark in the diagram:

[0025] 1. Nozzle tip,

[0026] 2. Columnar nozzle body; 21. Material channel; 22. Flange; 221. Arc-shaped chute.

[0027] 3. Curing lamp adjustment assembly, 31. Knob, 311. Stud, 32. Mounting ball head, 321. Mounting post, 322. Clearance groove, 33. Mounting sleeve, 331. Mounting surface.

[0028] 4. Curing lamp. Detailed Implementation

[0029] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0030] Figures 1-6 As shown, this adjustable visible light curing 3D printing nozzle device mainly consists of a nozzle tip 1, a cylindrical nozzle body 2, a curing lamp adjustment component 3, and a curing lamp 4.

[0031] Figure 1 and Figure 2 As shown, the cylindrical nozzle body 2 is cylindrical, with a material channel 21 inside. This material channel 21 is used to transport printing filament from the upper feeding system to the nozzle tip 1. The nozzle tip 1 is located at the lower end of the cylindrical nozzle body 2 and is tapered. This tapered design facilitates the extrusion of 3D printing filament, making the extrusion smoother and more precise. A flange 22 is provided at the upper end of the cylindrical nozzle body 2. The flange 22 is used to connect with the motion mechanism of the 3D printer. Through this connection, the entire nozzle assembly can move under the drive of the 3D printer to realize the printing operation.

[0032] Curing lamp adjustment components 3 are mounted on flange 22, and at least two are provided. This embodiment uses two as an example for explanation. Each curing lamp adjustment component 3 is connected to a curing lamp 4, which is a blue LED lamp. The blue LED lamp can quickly cure and set printing consumables such as photocurable resin at a specific wavelength.

[0033] Figures 3-6 As shown, the curing lamp adjustment assembly 3 includes a knob 31 and a mounting ball head 32. Two arc-shaped grooves 221 are spaced apart circumferentially along the edge of the flange 22. A mounting post 321 is located at the upper end of the mounting ball head 32, within the arc-shaped grooves 221 and capable of moving along them. When the position of the curing lamp 4 needs to be adjusted according to the shape of the printed part, layer height, or the curing characteristics of the consumable, the mounting ball head 32 can be pushed, causing the mounting post 321 to slide within the arc-shaped grooves 221, thereby moving the curing lamp 4 circumferentially along the flange 22 and changing its position.

[0034] Figure 4 As shown, a stud 311 is provided at the lower end of the knob 31, and the stud 311 is threadedly connected to the mounting post 321. After the curing lamp 4 is adjusted to the appropriate position, the knob 31 is tightened, and the stud 311 is screwed into the mounting post 321, so that the mounting ball head 32 is positioned in the arc-shaped slide groove 221, preventing the position of the curing lamp 4 from changing during the printing process.

[0035] Figure 5 As shown, the mounting ball head 32 is hollow, and multiple clearance grooves 322 are formed downward along the plane where the top of the mounting post 321 is located. The clearance grooves 322 are spaced apart circumferentially along the mounting post 321. This design makes the mounting post 321 and the mounting ball head 32 elastic between two adjacent clearance grooves 322.

[0036] Figure 3 and Figure 6 As shown, a mounting sleeve 33, which is hemispherical, is provided on the mounting ball head 32 and fits onto the mounting ball head 32. A mounting surface 331 is provided at the lower end of the mounting sleeve 33, and the curing lamp 4 is mounted on the mounting surface 331. The mounting sleeve 33 can swing relative to the mounting ball head 32. By swinging the mounting sleeve 33, the angle of the curing lamp 4 can be adjusted so that the illumination angle of the curing lamp 4 better meets the printing requirements. When the stud 311 is screwed into the mounting post 321, the mounting ball head 32 expands outward, thereby fixing the mounting sleeve 33 and preventing the angle of the curing lamp 4 from changing during printing.

[0037] Working principle:

[0038] During the 3D printing process, the printing filament enters the material channel 21 of the cylindrical nozzle body 2 through the upper feeding system and is then extruded from the nozzle tip 1. Simultaneously, depending on the shape of the printed part, layer height, or the curing characteristics of the filament, the operator pushes the mounting ball head 32, causing the mounting column 321 to slide within the arc-shaped groove 221, adjusting the curing lamp 4 to the appropriate position. Then, the knob 31 is tightened to position the mounting ball head 32 within the arc-shaped groove 221. If further adjustment of the curing lamp 4's angle is needed, the mounting sleeve 33 is swung to adjust the curing lamp 4 to the appropriate angle, and the knob 31 is tightened again to expand the mounting ball head 32 outwards and fix the mounting sleeve 33. Afterwards, the curing lamp 4 (blue LED lamp) emits light of a specific wavelength to irradiate the extruded printing filament, causing it to quickly cure and solidify, completing the 3D printing operation. This adjustable curing lamp position and angle design effectively solves problems such as uneven curing, insufficient printing accuracy, and poor surface quality caused by the fixed position or angle of the curing light source in traditional photopolymer 3D printing, improving printing quality and efficiency.

[0039] Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model are within the protection scope of this utility model.

Claims

1. An adjustable visible light curing 3D printing nozzle device, characterized in that: The device includes a nozzle tip, a cylindrical nozzle body, a curing lamp adjustment assembly, and a curing lamp. The nozzle tip is located at the lower end of the cylindrical nozzle body and is used to extrude 3D printing filament. The cylindrical nozzle body has a material channel inside for conveying the printing filament from an upper feeding system to the nozzle tip. A flange is located at the upper end of the cylindrical nozzle body for connecting to the motion mechanism of the 3D printer. The curing lamp adjustment assembly is located on the flange, and there are at least two curing lamp adjustment assemblies. Each curing lamp adjustment assembly is connected to a curing lamp, and the curing lamp adjustment assembly is configured to move along the circumferential direction of the flange to adjust the position of the curing lamp.

2. The adjustable visible light curing 3D printing nozzle device according to claim 1, characterized in that: The curing lamp adjustment assembly includes a knob and a mounting ball head. The flange has multiple arc-shaped grooves spaced circumferentially around its edge. The upper end of the mounting ball head is provided with a mounting post, which is located in the arc-shaped groove and can move along the arc-shaped groove. The lower end of the knob is provided with a stud, which is threadedly connected to the mounting post. The knob is used to tighten so that the mounting ball head is positioned in the arc-shaped groove.

3. The adjustable visible light curing 3D printing nozzle device according to claim 2, characterized in that: The mounting ball head is provided with a mounting sleeve, and the curing lamp is connected to the mounting sleeve.

4. The adjustable visible light curing 3D printing nozzle device according to claim 3, characterized in that: The mounting sleeve has a mounting surface at its lower end, and the curing lamp is mounted on the mounting surface.

5. The adjustable visible light curing 3D printing nozzle device according to claim 4, characterized in that: The mounting ball head is hollow, and a clearance groove is formed on the mounting ball head along the plane where the top of the mounting column is located. Multiple clearance grooves are provided, and each clearance groove is spaced apart along the circumference of the mounting column, so that the mounting column and the mounting ball head between two adjacent clearance grooves are elastic.

6. The adjustable visible light curing 3D printing nozzle device according to claim 5, characterized in that: The mounting sleeve is hemispherical and is fitted onto the mounting ball head. The mounting sleeve can swing relative to the mounting ball head to adjust the angle of the curing lamp. The mounting ball head is configured to expand outward to fix the mounting sleeve after the stud is screwed into the mounting post.

7. The adjustable visible light curing 3D printing nozzle device according to any one of claims 1-6, characterized in that: The curing lamp is a blue LED lamp.

8. The adjustable visible light curing 3D printing nozzle device according to claim 1, characterized in that: The curing lamp adjustment assembly includes a knob and a mounting ball head. The flange has two arc-shaped grooves spaced apart circumferentially on its edge. The upper end of the mounting ball head is provided with a mounting post, which is located in the arc-shaped groove and can move along the arc-shaped groove. The lower end of the knob is provided with a stud, which is threadedly connected to the mounting post. The knob is used to tighten so that the mounting ball head is positioned in the arc-shaped groove.

9. The adjustable visible light curing 3D printing nozzle device according to claim 1, characterized in that: The nozzle tip is tapered and used to extrude 3D printing filament.

Images