Spray head of 3D printer
By introducing structures such as a slide plate, feed block, fan, heating plate, and throat into the 3D printer nozzle, the problems of material solidification due to untimely delivery and unsuitable temperature are solved, achieving efficient heat dissipation and heat preservation, and improving printing speed and quality.
Patent Information
- Application Number
- CN202422463149.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-10-12
AI Technical Summary
Existing 3D printer nozzles lack effective heat dissipation structures, resulting in delayed solidification of printing material, which affects printing speed. Furthermore, the lack of insulation structures leads to unsuitable material temperatures, impacting print quality and reliability.
A 3D printer nozzle was designed, comprising a slide plate, a feed block, a fan, a heating plate, a throat, and a nozzle. The slide plate delivers material, the fan dissipates heat, the heating plate provides insulation, the throat provides heat insulation, and the nozzle precisely ejects the material, achieving efficient heat dissipation and precise control of material flow.
It improves printing speed and quality, increases the stability and reliability of the device, ensures timely solidification of materials and appropriate temperature during transport, and enhances the practicality and reliability of printing.
Smart Images

Figure CN223173580U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of 3D printing, and specifically relates to a nozzle of a 3D printer. Background Technique
[0002] With the rapid development of 3D printing technology, the performance requirements for printing nozzles are increasing day by day. Traditional 3D printer nozzles often face problems such as uneven material heating, poor heat dissipation effect, and slow printing speed during the printing process, which affect the accuracy and quality of printed products. Therefore, it is particularly important to develop a nozzle device that can efficiently dissipate heat and precisely control the material flow.
[0003] Chinese Patent Publication No. CN206528077U discloses a nozzle of a 3D printer. A nozzle of a 3D printer includes a feeding structure, a liquefier, and a nozzle. The feeding structure is connected to the liquefier through a transfer channel. The liquefier is connected to the nozzle below, and a nozzle guard is sleeved outside the nozzle. The utility model uses the transfer channel as the connection design between the feeding structure and the liquefier, effectively controls heat conduction, ensures smooth wire feeding, and has a simple structure and is convenient to use. The combination of the nozzle guard and the nozzle is designed to effectively reduce the situation of material adhesion and carbonization on the nozzle after the nozzle works for a long time during printing.
[0004] However, when this utility model is actually used, the following problems exist:
[0005] This utility model does not set a structure that can dissipate heat from the printing material during actual use, resulting in a situation where the printing material cannot solidify in time during transportation, leading to a reduction in printing speed, and its practicability is not strong. At the same time, it does not set a structure that can keep the heated material warm, resulting in a situation where the temperature of the printing material is not appropriate during use, affecting normal printing, and its reliability is not strong. Content of the Utility Model
[0006] (I) Technical Problems to be Solved
[0007] In order to overcome the above defects of the prior art, the utility model provides a nozzle of a 3D printer, which solves the problems in the prior art:
[0008] This utility model does not set a structure that can dissipate heat from the printing material during actual use, resulting in a situation where the printing material cannot solidify in time during transportation, leading to a reduction in printing speed, and its practicability is not strong. At the same time, it does not set a structure that can keep the heated material warm, resulting in a situation where the temperature of the printing material is not appropriate during use, affecting normal printing, and its reliability is not strong.
[0009] (II) Technical Solutions
[0010] To achieve the above object, the utility model is realized by the following technical solutions: A nozzle of a 3D printer, including a slide plate, a feeding block for conveying is fixedly installed on the top of the slide plate, a fan for heat dissipation is fixedly installed on one side of the feeding block, a heating plate for melting is fixedly installed at the bottom of the fan, a throat pipe for connection is fixedly installed at the bottom of the heating plate, and a nozzle for spraying is fixedly installed at the bottom of the throat pipe.
[0011] Optionally, a slider for sliding is fixedly installed at the bottom of the slide plate, and a groove for positioning is formed at the bottom of the slider.
[0012] Optionally, a vertical rod for support is fixedly installed on the top of the slide plate, and a fixing plate for support is fixedly installed at the top of the vertical rod.
[0013] Optionally, a feeding pipe for conveying is fixedly installed on one side of the feeding block, and a positioning plate for support is fixedly installed on one side of the feeding block.
[0014] Optionally, a fan blade for rotation is fixedly installed in the middle of the fan, and a transfer rod for fixing is fixedly installed in the middle of the fan.
[0015] Optionally, a screw for fixing is fixedly installed on one side of the heating plate, and a heating block for temperature rise is fixedly connected to one side of the heating plate.
[0016] Optionally, a screw rod for fixing is fixedly connected to the top of the throat pipe, and a heat insulation plate for heat preservation is fixedly installed on one side of the throat pipe.
[0017] Optionally, a clamping block for fixing is fixedly installed on the top of the nozzle, and the top of the nozzle is fixedly installed with the bottom of the throat pipe through the clamping block.
[0018] (III) Beneficial effects
[0019] The utility model provides a nozzle of a 3D printer, which has the following beneficial effects:
[0020] The nozzle of the 3D printer can be fixedly installed by using the slide and the feed block, and then the slide can be used to drive the device to move for 3D printing. The feed block can transport the material to be printed into the device, ensuring the normal use of the device and increasing the stability and convenience of the device. The fan setting can quickly cool the printing material to make it solidify quickly, which helps to improve the printing speed and quality of the device and increase the reliability of the device. The heating plate, the throat and the nozzle are matched to each other, and the heating plate can be used to heat the printing material to meet the needs of use. The throat has a heat insulation design on one side to prevent the material from melting prematurely before entering the nozzle, thereby increasing the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a schematic diagram of the structure of the utility model;
[0022] Figure 2 This is a schematic diagram of the structure of the skateboard of the utility model;
[0023] Figure 3 This is a schematic diagram of the structure of the feed block of the utility model;
[0024] Figure 4 This is a schematic diagram of the fan structure of the utility model;
[0025] Figure 5 This is a schematic diagram of the structure of the heating plate of the utility model;
[0026] Figure 6 This is a schematic diagram of the nozzle structure of the utility model.
[0027] In the figure: 1. Slide plate; 2. Feed block; 3. Fan; 4. Heating plate; 5. Throat; 6. Nozzle; 7. Slider; 8. Groove; 9. Vertical pole; 10. Fixed plate; 11. Feed pipe; 12. Positioning plate; 13. Fan blade; 14. Adapter rod; 15. Screw; 16. Heating block; 17. Screw; 18. Heat insulation board; 19. Block. DETAILED DESCRIPTION
[0028] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0029] See also Figures 1 to 6 An embodiment of the utility model provides a nozzle for a 3D printer, which is used in 3D printing scenarios. In this embodiment, the heat dissipation and control structures are improved to provide the nozzle with the advantages of efficient heat dissipation and precise control.
[0030] Example 1:
[0031] Please refer to Figures 1 to 3 , to make the device more stable and convenient during use, ensure the normal use of the device, and at the same time adjust the position of the device as needed, a sliding plate 1 and a feeding block 2 are provided;
[0032] It includes a sliding plate 1. A feeding block 2 for conveying is fixedly installed on the top of the sliding plate 1. A slider 7 for sliding is fixedly installed on the bottom of the sliding plate 1. A groove 8 for positioning is opened at the bottom of the slider 7. A vertical rod 9 for support is fixedly installed on the top of the sliding plate 1. A fixing plate 10 for support is fixedly installed on the top of the vertical rod 9. A feeding pipe 11 for conveying is fixedly installed on one side of the feeding block 2. A positioning plate 12 for support is fixedly installed on one side of the feeding block 2. Therefore, when in use, the slider 7 is installed at the bottom of the sliding plate 1, which is convenient for the overall nozzle to slide on the 3D printer platform. The groove 8 is provided at the bottom of the slider 7 for precise positioning. The vertical rod 9 and the fixing plate 10 are also provided on the top of the sliding plate 1 to enhance the stability and load-bearing capacity of the overall structure. The feeding pipe 11 for material input is provided on one side of the feeding block 2, and the positioning plate 12 is equipped to ensure the stability of the feeding pipe 11, increasing the stability and convenience of the device.
[0033] Example 2:
[0034] Please refer to Figure 4 , to make the device more reliable during use, quickly cool the printing material, improve the printing speed and quality of the device, a fan 3 is provided;
[0035] A fan 3 for heat dissipation is fixedly installed on one side of the feeding block 2. A fan blade 13 for rotation is fixedly installed in the middle of the fan 3. A transfer rod 14 for fixing is fixedly installed in the middle of the fan 3. Therefore, when in use, the fan blade 13 and the transfer rod 14 are provided inside the fan 3. The transfer rod 14 fixedly installs the fan 3 and the positioning plate 12 to realize the rotation of the fan 3, so as to cool the printing material, increasing the reliability of the device.
[0036] Example 3:
[0037] Please refer to Figure 5 and Figure 6 , to make the device more practical during use, keep the heated material insulated and conveyed, ensure the smooth progress of printing, a heating plate 4, a throat pipe 5 and a nozzle 6 are provided;
[0038] The bottom of the fan 3 is fixedly installed with a heating plate 4 for melting. The bottom of the heating plate 4 is fixedly installed with a throat pipe 5 for connection. The bottom of the throat pipe 5 is fixedly installed with a nozzle 6 for spraying. One side of the heating plate 4 is fixedly installed with a screw 15 for fixation. One side of the heating plate 4 is fixedly connected with a heating block 16 for temperature rise. The top of the throat pipe 5 is fixedly connected with a screw rod 17 for fixation. One side of the throat pipe 5 is fixedly installed with a heat insulation plate 18 for heat preservation. The top of the nozzle 6 is fixedly installed with a clamping block 19 for fixation. The top of the nozzle 6 is fixedly installed with the bottom of the throat pipe 5 through the clamping block 19. Therefore, when in use, there is a screw 15 on one side of the heating plate 4 for fixation. The heating block 16 is the main heating element, which can heat the printing material. The internal channel design of the throat pipe 5 ensures the smooth flow of the material. And there is a heat insulation plate 18 on the outside of the throat pipe 5 to prevent premature heat dissipation. The top of the nozzle 6 is tightly connected with the throat pipe 5 through the clamping block 19 to ensure the precise spraying of the material, increasing the practicability of the device.
[0039] All the electrical components appearing in this article are electrically connected to the external main controller and the 220V mains power supply, and the main controller can be a conventional known device such as a computer for control.
[0040] In the present utility model, the working steps of the device are as follows:
[0041] First, start the 3D printer, and the material enters the feeding block 2 through the feeding pipe 11. Secondly, the heating plate 4 starts to work and heats the material to a molten state. Then, the molten material flows into the nozzle 6 through the throat pipe 5, ready to be sprayed. Finally, the slide plate 1 drives the entire nozzle device to move on the 3D printer platform and precisely sprays the material according to the printing instructions to complete the printing task.
[0042] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A nozzle of a 3D printer, comprising a slide plate (1), characterized in that: A feeding block (2) for conveying is fixedly installed on the top of the skateboard (1). A fan (3) for heat dissipation is fixedly installed on one side of the feeding block (2). A heating plate (4) for melting is fixedly installed at the bottom of the fan (3). A throat pipe (5) for connection is fixedly installed at the bottom of the heating plate (4). A nozzle (6) for spraying is fixedly installed at the bottom of the throat pipe (5).
2. The nozzle of a 3D printer according to claim 1, characterized in that: A slider (7) for sliding is fixedly installed at the bottom of the skateboard (1). A groove (8) for positioning is formed at the bottom of the slider (7).
3. The nozzle of a 3D printer according to claim 1, wherein: A vertical rod (9) for support is fixedly installed on the top of the skateboard (1). A fixing plate (10) for support is fixedly installed at the top of the vertical rod (9).
4. The nozzle of a 3D printer according to claim 1, characterized in that: A feeding pipe (11) for conveying is fixedly installed on one side of the feeding block (2). A positioning plate (12) for support is fixedly installed on one side of the feeding block (2).
5. The nozzle of a 3D printer according to claim 1, characterized in that: A fan blade (13) for rotation is fixedly installed in the middle of the fan (3). A transfer rod (14) for fixation is fixedly installed in the middle of the fan (3).
6. The nozzle of a 3D printer according to claim 1, characterized in that: A screw (15) for fixation is fixedly installed on one side of the heating plate (4). A heating block (16) for temperature rise is fixedly connected to one side of the heating plate (4).
7. The nozzle of a 3D printer according to claim 1, characterized in that: A screw (17) for fixation is fixedly connected to the top of the throat pipe (5). A heat insulation plate (18) for heat preservation is fixedly installed on one side of the throat pipe (5).
8. The nozzle of a 3D printer according to claim 1, wherein: A clamping block (19) for fixation is fixedly installed on the top of the nozzle (6). The top of the nozzle (6) is fixedly installed with the bottom of the throat pipe (5) through the clamping block (19).
Citation Information
Patent Citations
Nozzle for 3D printer
CN206528077U