Nozzle for high polymer material 3D printer

Abstract

The utility model relates to the technical field of nozzles for 3D (three-dimensional) printers, and discloses a nozzle for a high polymer material 3D printer, which comprises a nozzle main body, a cross rod for supporting is fixedly mounted on the side surface of the nozzle main body, a shell for protection is arranged on the side surface of the cross rod, and a fan plate for supporting is fixedly mounted on the inner side wall of the shell. The top of the shell is sleeved with a filter frame, and the bottom of the shell is in threaded connection with an air blowing cover used for guiding. According to the nozzle for the high polymer material 3D printer, through cooperative arrangement of the cross rod, the shell and the filter frame, the device can be more convenient and practical, by means of cooperative arrangement of the cross rod and a vertical plate on the shell, the blowing and cleaning angle of the nozzle can be adjusted according to the actual situation of the site, and the device is more convenient to clean in the actual printing process; and when redundant work knots formed at the spray head due to material accumulation are cleaned, a good cleaning effect is achieved, and the filter frame and the shell are arranged in a matched mode.

Description

Technical Field

[0001] The utility model relates to the technical field of nozzles for 3D printers, in particular to a nozzle for a polymer material 3D printer. Background Art

[0002] A 3D printer, also known as a three-dimensional printer or a three-dimensional rapid prototyping machine, is a rapid prototyping process equipment that can generate objects directly from computer graphics data. The idea of ​​3D printing originated in the United States in the late 19th century and was developed and promoted in the 1980s. With the continuous advancement of technology, the application areas of 3D printers have gradually expanded, from the initial printing of small objects such as jewelry and toys to today's aerospace, medical, construction and other fields. The nozzle for a polymer material 3D printer is a key component in 3D printing technology. It is responsible for heating and melting the polymer material and accurately spraying it to the specified position to construct a three-dimensional entity.

[0003] The existing technology has the following problems when it is actually used:

[0004] The prior art does not have a component that can clean up excess accumulated material at the nozzle. During actual use, excess material may accumulate at the nozzle, affecting the normal and smooth spraying of the nozzle and the accuracy of the nozzle spraying. Utility Model Content

[0005] (1) Technical problems solved

[0006] In order to overcome the above-mentioned defects of the prior art, the present invention provides a nozzle for a polymer material 3D printer, which solves the problems in the prior art:

[0007] The existing technology does not have a component that can clean up the excess accumulated material at the nozzle. During actual use, the excess material may accumulate at the nozzle, affecting the normal and smooth spraying of the nozzle and the accuracy of the nozzle spraying.

[0008] (2) Technical solution

[0009] To achieve the above objectives, the present invention is implemented through the following technical solutions: a nozzle for a polymer material 3D printer, comprising a nozzle body, a cross bar for support fixedly mounted on the side of the nozzle body, a shell for protection provided on the side of the cross bar, a fan plate for support fixedly mounted on the inner side wall of the shell, a filter frame sleeved on the top of the shell, and a blow hood for guidance threadedly connected to the bottom of the shell.

[0010] Preferably, a limiting groove for connection is provided on the side of the nozzle body, and a threaded hole is provided on the side of the limiting groove.

[0011] Preferably, one end of the crossbar is clamped with a limit frame for fixation, and the side of the limit frame is fixedly connected with a fixing plate for installation.

[0012] Preferably, a rotating rod for fastening is threadedly connected to the side surface of the crossbar, and one end of the rotating rod is fixedly connected to a rubber disc for rotation.

[0013] Preferably, a switch for control is fixedly mounted on a side of the housing, and a vertical plate for support is fixedly connected to the other side of the housing.

[0014] Preferably, fan blades for blowing air are clamped on the upper surface of the fan plate, and a limiting plate for fixing is fixedly connected to the upper surface of the fan plate.

[0015] Preferably, a filter screen is fixedly connected to the upper surface of the filter frame, and a handle for holding is fixedly connected to the upper surface of the filter frame.

[0016] Preferably, a threaded column for connection is fixedly connected to the bottom of the shell, and the outer surface of the threaded column is threadedly connected to the inner side wall of the blowing hood.

[0017] (3) Beneficial effects

[0018] The utility model provides a nozzle for a polymer material 3D printer, which has the following beneficial effects:

[0019] The nozzle for the polymer material 3D printer can make the device more convenient and practical through the coordinated arrangement between the cross bar, the shell, and the filter frame. With the help of the coordinated arrangement between the cross bar and the upper plate of the shell, the angle of the nozzle blowing and cleaning can be adjusted according to the actual situation on site, so that during the actual printing process, the device can have a better cleaning effect when cleaning the redundant working nodules formed due to material accumulation at the nozzle. With the help of the coordinated arrangement between the filter frame and the shell, the air blown out of the nozzle can be effectively filtered, reducing the impact of dust in the wind on the printed works. At the same time, the socket-type connection between the filter frame and the shell makes it more convenient for staff to clean the dust attached to the filter frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the limit groove structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the shell structure of the utility model;

[0023] Figure 4This is a schematic diagram of the filter frame structure of the utility model;

[0024] Figure 5 This is a schematic diagram of the crossbar structure of the utility model;

[0025] Figure 6 This is a schematic diagram of the rotating rod structure of the utility model.

[0026] In the figure: 1. Nozzle body; 2. Crossbar; 3. Outer shell; 4. Fan plate; 5. Filter frame; 6. Blowing cover; 7. Limiting slot; 8. Threaded hole; 9. Limiting frame; 10. Fixing plate; 11. Rotating rod; 12. Rubber disc; 13. Switch; 14. Vertical plate; 15. Fan blade; 16. Limiting plate; 17. Filter screen; 18. Handle; 19. Threaded column. DETAILED DESCRIPTION

[0027] 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.

[0028] See also Figures 1 to 6 The utility model provides a technical solution: a nozzle for a polymer material 3D printer, which is mainly used in the scene of printing with a polymer material 3D printer.

[0029] Example 1:

[0030] See also Figures 1 to 6 In order to ensure that the device has a better printing capability and to make the connection between the housing 3 and the nozzle body 1 more secure, the nozzle body 1 and the crossbar 2 are provided;

[0031] It includes a nozzle body 1, and a cross bar 2 for support is fixedly installed on the side of the nozzle body 1. A limiting groove 7 for connection is opened on the side of the nozzle body 1, and a threaded hole 8 is opened on the side of the limiting groove 7. Through the cooperation of the limiting groove 7 and the threaded hole 8, the connection between the fixing plate 10 and the nozzle body 1 can be made more firmly. One end of the cross bar 2 is clamped with a limiting frame 9 for fixation, and the side of the limiting frame 9 is fixedly connected with a fixing plate 10 for installation. Through the cooperation between the limiting frame 9 and the fixing plate 10, the cross bar 2 can be fixed more firmly. The side of the cross bar 2 is threadedly connected with a rotating rod 11 for tightening, and one end of the rotating rod 11 is fixedly connected with a rubber disc 12 for rotation. Through the cooperation of the rotating rod 11 and the rubber disc 12, it is more convenient for the staff to adjust the blowing angle of the blow hood 6.

[0032] Example 2:

[0033] See also Figures 1 to 6 In order to make the device have better blowing and cleaning function, a housing 3 and a fan plate 4 are provided;

[0034] The side of the cross bar 2 is provided with a shell 3 for protection, and the inner side wall of the shell 3 is fixedly installed with a fan plate 4 for supporting. The side of the shell 3 is fixedly installed with a switch 13 for control. The other side of the shell 3 is fixedly connected with a vertical plate 14 for supporting. Through the setting of the switch 13, it is more convenient for the staff to control the fan blades 15 to open and close. Through the setting of the vertical plate 14, the connection between the shell 3 and the cross bar 2 is more firm and the angle can be adjusted. The upper surface of the fan plate 4 is clamped with fan blades 15 for blowing, and the upper surface of the fan plate 4 is fixedly connected with a limiting plate 16 for fixing. Through the setting of the fan blades 15, a stronger wind can be blown out. Through the setting of the limiting plate 16, the fan plate 4 can be installed more firmly. The bottom of the shell 3 is fixedly connected with a threaded column 19 for connection. The outer surface of the threaded column 19 is threadedly connected to the inner side wall of the blowing cover 6. Through the setting of the threaded column 19, it is more convenient to connect the blowing cover 6 to the shell 3.

[0035] Example 3:

[0036] See also Figures 1 to 6 In order to enable the device to filter the blown air, a filter frame 5 and a blow hood 6 are provided;

[0037] The top of the shell 3 is sleeved with a filter frame 5, the bottom of the shell 3 is threadedly connected to a blowing hood 6 for guidance, the upper surface of the filter frame 5 is fixedly connected to a filter screen 17, and the upper surface of the filter frame 5 is fixedly connected to a handle 18 for holding. Through the setting of the filter screen 17, the filter frame 5 can have a stronger filtering effect, and through the setting of the handle 18, it can make it more convenient for the staff to take the filter frame 5.

[0038] The electrical components mentioned in this article are all connected to an external main controller and 220V AC power, and the main controller can be a conventional known device that performs control such as a computer.

[0039] In the present invention, the working steps of the device are as follows:

[0040] 1. First, correctly install the nozzle body 1 on the 3D printer and ensure that all parts are firmly connected. Check and clean the impurities inside and around the nozzle to ensure that the material supply channel is unobstructed.

[0041] 2. Secondly, during or after printing, start the nozzle cleaning function as needed;

[0042] 3. Then, by rotating the rotating rod 11 and adjusting the angle of the blowing cover 6, align the airflow with the part of the nozzle body 1 that needs to be cleaned, turn on the switch 13, generate airflow and blow it through the blowing cover 6 to the nozzle to remove excess matter at the nozzle;

[0043] 4. Finally, regularly check and clean impurities inside and around the nozzle to ensure that the material supply channel is unobstructed.

[0044] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A nozzle for a polymer material 3D printer, comprising a nozzle body (1), characterized in that: A cross bar (2) for support is fixedly mounted on the side of the nozzle body (1); a housing (3) for protection is provided on the side of the cross bar (2); a fan plate (4) for support is fixedly mounted on the inner side wall of the housing (3); a filter frame (5) is sleeved on the top of the housing (3); and a blowing hood (6) for guidance is threadedly connected to the bottom of the housing (3).

2. The nozzle for a polymer material 3D printer according to claim 1, characterized in that: A limiting groove (7) for connection is provided on the side of the nozzle body (1), and a threaded hole (8) is provided on the side of the limiting groove (7).

3. The nozzle for a polymer material 3D printer according to claim 1, characterized in that: One end of the crossbar (2) is clamped with a limit frame (9) for fixing, and the side of the limit frame (9) is fixedly connected with a fixing plate (10) for installation.

4. The nozzle for a polymer material 3D printer according to claim 1, characterized in that: The side surface of the crossbar (2) is threadedly connected to a rotating rod (11) for fastening, and one end of the rotating rod (11) is fixedly connected to a rubber disc (12) for rotation.

5. The nozzle for a polymer material 3D printer according to claim 1, characterized in that: A switch (13) for control is fixedly mounted on a side of the housing (3), and a vertical plate (14) for support is fixedly connected to the other side of the housing (3).

6. The nozzle for a polymer material 3D printer according to claim 1, characterized in that: The upper surface of the fan plate (4) is clamped with a fan blade (15) for blowing air, and the upper surface of the fan plate (4) is fixedly connected with a limit plate (16) for fixing.

7. The nozzle for a polymer material 3D printer according to claim 1, characterized in that: A filter screen (17) is fixedly connected to the upper surface of the filter frame (5), and a handle (18) for holding is fixedly connected to the upper surface of the filter frame (5).

8. The nozzle for a polymer material 3D printer according to claim 1, characterized in that: A threaded column (19) for connection is fixedly connected to the bottom of the shell (3), and the outer surface of the threaded column (19) is threadedly connected to the inner side wall of the blowing cover (6).

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