3D printer nozzle capable of preventing material leakage
By setting a bent runner in the runner of the 3D printer nozzle, the problem of wire drawing, material dropping and material leakage in the nozzle is solved, and a higher quality printing effect is achieved.
Patent Information
- Application Number
- CN202411949874.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-03-28
AI Technical Summary
The nozzles of existing 3D printers are prone to wire drawing, dropping and leaking materials during printing, which affects the printing quality.
A 3D printer nozzle is designed to prevent material leakage, and its runner is provided with a bent runner to slow down the influence of gravity of the consumables in the molten state, thereby preventing the material from flowing out of the nozzle hole.
Through the blocking and buffering effect of the bent runner, the material material is effectively affected by gravity in the molten state, avoiding wire drawing, dropping and leaking materials, and improving printing quality.
Smart Images
Figure CN119704661A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of printers, and in particular to a 3D printer nozzle capable of preventing material leakage. Background Art
[0002] 3D printing (3DP) is a type of rapid prototyping technology, also known as additive manufacturing. It is a technology that uses digital model files as the basis and uses powdered metal or plastic and other bondable materials to construct objects by printing layer by layer. 3D printing is usually achieved using digital technology material printers. It is often used to make models in the fields of mold manufacturing, industrial design, etc., and then gradually used for the direct manufacturing of some products. There are already parts printed using this technology. This technology is used in jewelry, footwear, industrial design, architecture, engineering and construction (AEC), automobiles, aerospace, dental and medical industries, education, geographic information systems, civil engineering and other fields. The nozzle is one of the core components of a 3D printer device, which is used to extrude 3D printing materials and achieve molding. Therefore, the nozzle plays a vital role in the quality of 3D printed products.
[0003] The flow channel in the existing nozzle is a straight through hole, which makes it easy to cause drawing, dripping and leakage when printing and producing products.
[0004] Therefore, in view of the shortcomings of the prior art, a 3D printer nozzle is provided that prevents material leakage. Summary of the invention
[0005] In order to overcome the deficiencies of the prior art, the present invention provides a 3D printer nozzle that prevents material leakage, aiming to solve the problems of wire drawing, material dripping and material leakage in the nozzle.
[0006] In order to achieve the above object, the present invention adopts the following technical solutions: A 3D printer nozzle for preventing material leakage, comprising: a nozzle body; The nozzle body comprises a barrel, a nozzle and a flow channel; The barrel is fixedly connected to the nozzle, and the flow channel runs through the barrel and the nozzle; The flow channel is provided with a bent flow channel, and the bent flow channel is used to reduce the influence of gravity on the consumables in the molten state.
[0007] As a further improvement of the technical solution of the present invention, the flow channel further includes a first flow channel and a second flow channel, and the bent flow channel connects the first flow channel and the second flow channel.
[0008] As a further improvement of the technical solution of the present invention, the barrel is provided with a feed port, and the feed port is communicated with the first flow channel.
[0009] As a further improvement of the technical solution of the present invention, the nozzle is provided with a nozzle hole, and the nozzle hole is communicated with the second flow channel.
[0010] As a further improvement of the technical solution of the present invention, the nozzle body also includes a first part and a second part that are symmetrically sectioned, the first part is provided with a first groove, the second part is provided with a second groove, the first part is fixedly connected to the second part, and the first groove and the second groove form a flow channel.
[0011] As a further improvement of the technical solution of the present invention, the first flow channel and the second flow channel are both linear.
[0012] As a further improvement of the technical solution of the present invention, the bending channel includes a first bending portion and a second bending portion.
[0013] As a further improvement of the technical solution of the present invention, the bent flow channel is S-shaped.
[0014] As a further improvement of the technical solution of the present invention, the diameter of the flow channel is 1.5mm-3.0mm.
[0015] As a further improvement of the technical solution of the present invention, the nozzle hole is larger at the top and smaller at the bottom, and the diameter of the nozzle hole is 0.1mm-2.0mm.
[0016] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides a 3D printer nozzle for preventing material leakage, wherein the flow channel is located in the barrel and the nozzle in the nozzle body, and the flow channel is provided with a bent flow channel, and the bent flow channel is used to reduce the influence of gravity on the consumables in the molten state. When the consumables flow into the bent flow channel, the blocking and buffering effect of the bent flow channel effectively reduces the influence of gravity on the consumables in the molten state, so that the consumables will not flow out of the nozzle hole due to the influence of gravity, and can effectively avoid wire drawing when printing the model, which affects the surface effect of the printed model. The 3D printer nozzle for preventing material leakage of the present invention has the characteristics of avoiding wire drawing, dripping and leakage. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The technology of the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments: Figure 1 It is a schematic diagram of the three-dimensional structure of a 3D printer nozzle for preventing material leakage according to the present invention; Figure 2 It is a cross-sectional view of a 3D printer nozzle for preventing material leakage according to the present invention; Figure 3 It is a cross-sectional view of another embodiment of a 3D printer nozzle for preventing material leakage of the present invention.
[0018] In the figure: 1. Barrel; 11. Feed port; 2. Nozzle; 21. Nozzle hole; 31. First flow channel; 32. Bend flow channel; 321. First bend portion; 322. Second bend portion; 323. Third bend portion; 33. Second flow channel. DETAILED DESCRIPTION The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the present invention, so as to fully understand the purpose, scheme and effect of the present invention. It should be noted that the embodiments in this application and the features in the embodiments can be combined with each other without conflict. The same reference numerals used throughout the drawings indicate the same or similar parts.
[0019] It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature, or may be indirectly fixed or connected to the other feature. In addition, the descriptions of up, down, left, right, etc. used in the present invention are only relative to the relative positional relationship of the components of the present invention in the accompanying drawings.
[0020] Reference Figures 1 to 3 , a 3D printer nozzle for preventing material leakage, comprising a nozzle body; In one embodiment, the nozzle body includes a barrel 1, a nozzle 2 and a flow channel; the barrel 1 is fixedly connected to the nozzle 2, and the flow channel runs through the barrel 1 and the nozzle 2; the flow channel is provided with a curved flow channel 32, and the curved flow channel 32 is used to reduce the influence of gravity on the consumables in the molten state. Preferably, the diameter of the flow channel is 1.75 mm.
[0021] In one embodiment, the flow channel further includes a first flow channel 31 and a second flow channel 33 , the bent flow channel 32 connects the first flow channel 31 and the second flow channel 33 , and the first flow channel 31 and the second flow channel 33 are both in a straight line shape.
[0022] In one embodiment, the bending channel 32 includes a first bending portion 321 and a second bending portion 322, and the first bending portion 321 is centrally symmetrical to the second bending portion 322. The bending channel 32 is S-shaped.
[0023] Among them, the flow channel is located in the barrel 1 and the nozzle 2 in the nozzle body, and the flow channel is provided with a bent flow channel 32, which is used to reduce the influence of gravity on the consumables in the molten state. When the consumables flow into the bent flow channel 32, due to the blocking and buffering effect of the bent flow channel 32, the influence of gravity on the consumables in the molten state is effectively reduced, so that the consumables will not flow out of the nozzle hole 21 due to the influence of gravity, and can effectively avoid wire drawing when printing the model, affecting the surface effect of the printed model. The 3D printer nozzle for preventing leakage of the present invention has the characteristics of avoiding wire drawing, dripping and leakage.
[0024] In one embodiment, the barrel 1 is provided with a feed port 11 , and the feed port 11 is communicated with the first flow channel 31 .
[0025] In one embodiment, the nozzle head 2 is provided with a nozzle hole 21, and the nozzle hole 21 is connected to the second flow channel 33. The nozzle hole 21 is larger at the top and smaller at the bottom.
[0026] In one embodiment, the nozzle body further comprises a first part and a second part which are symmetrically cut, the first part is provided with a first groove, the second part is provided with a second groove, the first part is fixedly connected to the second part, and the first groove and the second groove form a flow channel. The processing method of this nozzle body is to cut it symmetrically, and it is cut into two parts into a first part and a second part, so that the first groove and the second groove can be easily processed in the first part and the second part. After the processing is completed, the cut first part and the second part are connected into a whole by riveting, welding, gluing, etc.
[0027] In another embodiment, referring to Figure 3 As shown, the bending channel 32 further includes a third bending portion 323 , and the bending channel 32 is C-shaped.
[0028] For other contents of the 3D printer nozzle for preventing material leakage described in the present invention, please refer to the prior art and will not be described in detail here.
[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Therefore, any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention are still within the scope of the technical solution of the present invention.
[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0031] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
Claims
1. A 3D printer nozzle for preventing material leakage, characterized in that: include: Nozzle body; The nozzle body comprises a barrel, a nozzle and a flow channel; The barrel is fixedly connected to the nozzle, and the flow channel runs through the barrel and the nozzle; The flow channel is provided with a bent flow channel, and the bent flow channel is used to reduce the influence of gravity on the consumables in the molten state.
2. A 3D printer nozzle for preventing material leakage according to claim 1, characterized in that: The flow channel further includes a first flow channel and a second flow channel, and the bent flow channel connects the first flow channel and the second flow channel.
3. A 3D printer nozzle for preventing material leakage according to claim 2, characterized in that: It is characterized in that The barrel is provided with a feed port, and the feed port is communicated with the first flow channel.
4. A 3D printer nozzle for preventing material leakage according to claim 2, characterized in that: The nozzle head is provided with a nozzle hole, and the nozzle hole is communicated with the second flow channel.
5. A 3D printer nozzle for preventing material leakage according to claim 1, characterized in that: The nozzle body further comprises a first part and a second part which are symmetrically cut, wherein the first part is provided with a first groove, the second part is provided with a second groove, the first part is fixedly connected to the second part, and the first groove and the second groove form a flow channel.
6. A 3D printer nozzle for preventing material leakage according to claim 2, characterized in that: The first flow channel and the second flow channel are both in a straight line shape.
7. A 3D printer nozzle for preventing material leakage according to claim 2, characterized in that: The bent channel includes a first bent portion and a second bent portion.
8. A 3D printer nozzle for preventing material leakage according to claim 7, characterized in that: The bent flow channel is S-shaped.
9. The 3D printer nozzle for preventing material leakage according to claim 1, characterized in that: The diameter of the flow channel is 1.5 mm-3.0 mm.
10. The 3D printer nozzle for preventing material leakage according to claim 1, characterized in that: The nozzle hole is larger at the top and smaller at the bottom, and the diameter of the nozzle hole is 0.1mm-2.0mm.