Spray head quick-release structure applied to fused deposition 3D printing

Abstract

The utility model discloses a spray head quick-release structure applied to fused deposition 3D printing, and aims to provide a spray head quick-release structure applied to fused deposition 3D printing, which can automatically conduct a circuit and can be quickly disassembled and assembled. The nozzle heating device comprises a mounting seat and a fixing seat, a sliding clamping position is arranged on the fixing seat, the upper end of the mounting seat can be mounted in the sliding clamping position, a nozzle heating module, a first conduction part and a locking part are arranged on the mounting seat, the nozzle heating module is electrically connected with the first conduction part, and the first conduction part is electrically connected with the locking part. The locking part is rotationally connected to the mounting seat, a second conduction part is arranged on the fixed seat, the locking part can be locked on the fixed seat when the mounting seat is mounted, and the first conduction part is conducted with the second conduction part when the mounting seat is mounted. The 3D printer is applied to the technical field of 3D printing.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printing, and in particular to a nozzle quick-disassembly structure applied to fused deposition 3D printing. Background Art

[0002] At present, the fused deposition modeling 3D printing process heats the material to melt, spits out the material through the nozzle, and stacks it layer by layer to complete 3D printing. When this structure is used and the nozzle is blocked, the nozzle needs to be quickly replaced. For example, in a Chinese patent with a publication number of CN207747426U, a quick-release structure of a nozzle of a fused lamination type 3D printer is disclosed. The patent fixes the nozzle by setting a latch and a limit table. When disassembling the nozzle, the circuit plug needs to be unplugged to disconnect the circuit. However, this disassembly and assembly structure requires more operations to complete the replacement of the nozzle, and the circuit of the nozzle cannot be automatically turned on or off after disassembly and assembly, which is not convenient for rapid disassembly and assembly of the nozzle. Therefore, it is currently necessary to develop a nozzle quick-release structure that automatically turns on the circuit and can be quickly disassembled and assembled. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide an automatic conduction circuit and a quick-disassembly structure of a nozzle for fused deposition 3D printing that can be quickly disassembled and assembled.

[0004] The technical solution adopted by the utility model is: the utility model includes a mounting seat and a fixed seat, the fixed seat is provided with a sliding clamping position, the upper end of the mounting seat can be installed in the sliding clamping position, the mounting seat is provided with a nozzle heating module, a first conductive part and a locking part, the nozzle heating module is electrically connected to the first conductive part, the locking part is rotatably connected to the mounting seat, the fixed seat is provided with a second conductive part, the locking part can be locked on the fixed seat when the mounting seat is installed, and the first conductive part is conductive with the second conductive part when the mounting seat is installed.

[0005] Furthermore, a first positioning portion is provided on the mounting seat, and a second positioning portion is provided on the fixing seat, and the first positioning portion is docked with the second positioning portion when the mounting seat is installed; the number of the first positioning portion and the number of the second positioning portion are both multiple, and the multiple first positioning portions are distributed above and below the first conductive portion, and the multiple second positioning portions are distributed above and below the second conductive portion.

[0006] Furthermore, a wire placement groove is provided on the mounting seat, the upper end of the wire placement groove is connected to the upper end surface of the mounting seat, and the lower end of the wire placement groove is connected to the upper end of the nozzle heating module.

[0007] Furthermore, the locking portion and the nozzle heating module are respectively located at the upper end and the lower end of the mounting seat, the first positioning portion and the first conducting portion are both located on the inner side of the mounting seat, and the second positioning portion and the second conducting portion are both located on the inner side of the fixing seat.

[0008] Furthermore, the locking part includes a locking body, on which a rotating shaft, a locking block and a shift block are provided, the rotating shaft and the shift block are respectively located at two ends of the locking body, the locking body is rotatably connected to the mounting seat via the rotating shaft, and a locking groove adapted to the locking block is provided on the fixed seat.

[0009] Furthermore, the nozzle heating module includes a pipeline and a nozzle, the pipeline is provided with a heating block, the nozzle is connected to the lower end of the pipeline, and the heating block is electrically connected to the first conducting part.

[0010] Furthermore, the nozzle heating module also includes a retaining spring, and the retaining spring is sleeved on the outside of the pipeline and the heating block.

[0011] Further, the first positioning portion is a positioning pin or a positioning hole, and the second positioning portion is a positioning hole or a positioning pin.

[0012] Furthermore, the first conductive part is a probe module or an adapter plate, and the second conductive part is an adapter plate or a probe module.

[0013] Furthermore, the fixing seat includes a vertical fixing plate and a horizontally extending extension portion, the extension portion is arranged on the inner side of the vertical fixing plate, the sliding clamp is located on the extension portion, the locking groove is opened at the upper end of the extension portion, a guide block is arranged in the sliding clamp, and a guide groove is arranged at the upper end of the mounting seat, the guide groove cooperates with the guide block when the mounting seat is installed, and the second positioning portion and the second conducting portion are both located below the extension portion.

[0014] The beneficial effects of the utility model are:

[0015] Compared with the deficiencies of the prior art, the present invention can be locked through the locking part, and can automatically turn on the circuit when installed in place, that is, the installation and conduction operations are completed in one action, which can save time, realize quick disassembly and installation, and improve work efficiency, so that the present invention has the advantages of automatic circuit conduction and quick disassembly and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the plane structure of the utility model;

[0019] Figure 3 It is an exploded schematic diagram of the utility model;

[0020] Figure 4 It is a cross-sectional schematic diagram of the utility model;

[0021] Figure 5 yes Figure 4 A partial enlarged schematic diagram of part A.

[0022] The reference numerals are as follows:

[0023] 1. Mounting seat; 2. Fixed seat; 3. Sliding position; 4. Wire; 5. Nozzle heating module; 6. First conducting part; 7. Locking part; 8. Second conducting part; 9. First positioning part; 10. Second positioning part; 11. Locking body; 12. Rotating shaft; 13. Locking block; 15. Dial block; 16. Locking groove; 17. Wire placement groove; 18. Pipe; 19. Nozzle; 20. Heating block; 21. Retaining spring; 22. Vertical fixing plate; 23. Extension part; 25. Guide block; 26. Guide groove.

[0024] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0025] 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 of 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.

[0026] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, clockwise, counterclockwise, etc., are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0027] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their 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 addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0028] like Figures 1 to 5 As shown, in this embodiment, the utility model includes a mounting seat 1 and a fixed seat 2, the fixed seat 2 is provided with a sliding clamping position 3, the upper end of the mounting seat 1 can be installed in the sliding clamping position 3, the mounting seat 1 is provided with a nozzle heating module 5, a first conductive part 6 and a locking part 7, the nozzle heating module 5 is electrically connected to the first conductive part 6, the locking part 7 is rotatably connected to the mounting seat 1, the fixed seat 2 is provided with a second conductive part 8, the locking part 7 can be locked on the fixed seat 2 when the mounting seat 1 is installed, and the first conductive part 6 is conductive with the second conductive part 8 when the mounting seat 1 is installed.

[0029] When disassembling, the nozzle heating module 5 is turned on to heat it to a set value, and the wire 4 is pulled out from the nozzle heating module 5; the locking portion 7 is further unlocked from the fixing seat 2, so that the mounting seat 1 can be separated from the fixing seat 2, and the first conductive portion 6 is disconnected from the second conductive portion 8, thereby completing the disassembly of the nozzle heating module 5; and the nozzle 19 of the nozzle heating module 5 is further replaced;

[0030] During installation, slide the upper end of the mounting seat 1 into the sliding position 3. After the mounting seat 1 slides into place, the locking part 7 is locked on the fixed seat 2. At this time, the first conductive part 6 and the second conductive part 8 are in contact and conductive, thereby completing the installation of the nozzle heating module 5.

[0031] With respect to the deficiencies of the prior art, in the present invention, when it is necessary to replace the nozzle 19 of the nozzle heating module 5, it is only necessary to rotate the locking portion 7 to unlock it from the fixing seat 2, so that the mounting seat 1 can be directly and quickly taken out to replace the nozzle 19 of the nozzle heating module 5, and further slide the upper end of the mounting seat 1 back into the sliding position 3, and further rotate the locking portion 7 to lock it on the fixing seat 2. At this time, the first conductive portion 6 and the second conductive portion 8 are reconnected, thereby achieving quick disassembly and assembly. Therefore, the present invention can be locked by the locking portion 7, and at the same time as being installed in place, it can automatically turn on the circuit, that is, the installation and conduction operations can be completed in one action, which can save time, achieve quick disassembly and assembly, and improve work efficiency, so that the present invention has the advantages of automatic circuit conduction and quick disassembly and assembly.

[0032] In some embodiments, the mounting seat 1 is provided with a first positioning portion 9, and the fixing seat 2 is provided with a second positioning portion 10, and the first positioning portion 9 is docked with the second positioning portion 10 when the mounting seat 1 is installed; the number of the first positioning portion 9 and the second positioning portion 10 are both multiple, and the multiple first positioning portions 9 are distributed above and below the first conductive portion 6, and the multiple second positioning portions 10 are distributed above and below the second conductive portion 8. Specifically, when the upper end of the mounting seat 1 slides into the sliding clamping position 3, the first positioning portion 9 can dock with the second positioning portion 10 to achieve positioning; and, by distributing multiple first positioning portions 9 above and below the first conductive portion 6 and multiple second positioning portions 10 above and below the second conductive portion 8, the positioning effect can be further improved.

[0033] In some embodiments, the mounting seat 1 is provided with a wire placement groove 17, the upper end of the wire placement groove 17 is connected to the upper end surface of the mounting seat 1, and the lower end of the wire placement groove 17 is butted with the upper end of the nozzle heating module 5. Specifically, the wire 4 is inserted into the wire placement groove 17 from top to top, so that the lower end of the wire 4 can abut against the upper end of the nozzle heating module 5, so that the nozzle heating module 5 can melt the wire 4 during printing.

[0034] In some embodiments, the locking portion 7 and the nozzle heating module 5 are respectively located at the upper and lower ends of the mounting seat 1, the first positioning portion 9 and the first conductive portion 6 are both located on the inner side of the mounting seat 1, and the second positioning portion 10 and the second conductive portion 8 are both located on the inner side of the fixing seat 2.

[0035] In some embodiments, the locking portion 7 includes a locking body 11, on which a rotating shaft 12, a locking block 13 and a shifting block 15 are provided, the rotating shaft 12 and the shifting block 15 are respectively located at two ends of the locking body 11, the locking body 11 is rotatably connected to the mounting seat 1 via the rotating shaft 12, and the fixing seat 2 is provided with a locking groove 16 adapted to the locking block 13. Specifically, an operator can manually push the shifting block 15 so that the locking body 11 can rotate around the rotating shaft 12, so that the locking block 13 can be locked in the locking groove 16 to achieve locking; similarly, by pushing the shifting block 15 in the opposite direction, the locking body 11 can rotate in the opposite direction around the rotating shaft 12, so that the locking block 13 can be separated from the locking groove 16 to achieve unlocking.

[0036] In some embodiments, the nozzle heating module 5 includes a pipe 18 and a nozzle 19, a heating block 20 is provided on the pipe 18, the nozzle 19 is connected to the lower end of the pipe 18, and the heating block 20 is electrically connected to the first conductive part 6; the nozzle heating module 5 also includes a clamping spring 21, and the clamping spring 21 is sleeved on the outside of the pipe 18 and the heating block 20. The heating block 20 is fixed to the pipe 18 by the clamping spring 21. Specifically, after the first conductive part 6 is connected to the second conductive part 8, the pipe 18 can be heated by the heating block 20, so that the nozzle 19 can spit out the material and stack it layer by layer to achieve 3D printing.

[0037] In some embodiments, the first positioning portion 9 is a positioning pin or a positioning hole, and the second positioning portion 10 is a positioning hole or a positioning pin. Specifically, the first positioning portion 9 can be a positioning pin, and the second positioning portion 10 is a positioning hole; similarly, the first positioning portion 9 can be a positioning hole, and the second positioning portion 10 is a positioning pin.

[0038] In some embodiments, the first conductive part 6 is a probe module or an adapter board, and the second conductive part 8 is an adapter board or a probe module. Specifically, the first conductive part 6 can be a probe module, and the second conductive part 8 can be an adapter board; similarly, the first conductive part 6 can be an adapter board, and the second conductive part 8 can be a probe module.

[0039] In some embodiments, the fixing seat 2 includes a vertical fixing plate 22 and a horizontally extending extension portion 23, the extension portion 23 is arranged on the inner side of the vertical fixing plate 22, the sliding clamping position 3 is located on the extension portion 23, the locking groove 16 is opened at the upper end of the extension portion 23, a guide block 25 is arranged in the sliding clamping position 3, a guide groove 26 is arranged at the upper end of the mounting seat 1, the guide groove 26 cooperates with the guide block 25 when the mounting seat 1 is installed, and the second positioning portion 10 and the second conductive portion 8 are both located below the extension portion 23. Specifically, when the upper end of the mounting seat 1 slides into the sliding clamping position 3, the guide block 25 is also inserted into the guide groove 26 at the same time.

[0040] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A nozzle quick-release structure for fused deposition 3D printing, characterized in that: The invention comprises a mounting seat (1) and a fixed seat (2); a sliding clamping position (3) is arranged on the fixed seat (2); the upper end of the mounting seat (1) can be mounted in the sliding clamping position (3); a nozzle heating module (5), a first conductive part (6) and a locking part (7) are arranged on the mounting seat (1); the nozzle heating module (5) is electrically connected to the first conductive part (6); the locking part (7) is rotatably connected to the mounting seat (1); a second conductive part (8) is arranged on the fixed seat (2); the locking part (7) can be locked on the fixed seat (2) when the mounting seat (1) is mounted; and the first conductive part (6) is conductively connected to the second conductive part (8) when the mounting seat (1) is mounted.

2. According to claim 1, a nozzle quick-release structure for fused deposition 3D printing, characterized in that: The mounting seat (1) is provided with a first positioning portion (9), and the fixing seat (2) is provided with a second positioning portion (10), and the first positioning portion (9) is docked with the second positioning portion (10) when the mounting seat (1) is installed; the first positioning portion (9) and the second positioning portion (10) are both multiple in number, and the multiple first positioning portions (9) are distributed above and below the first conductive portion (6), and the multiple second positioning portions (10) are distributed above and below the second conductive portion (8).

3. According to claim 2, a nozzle quick-release structure for fused deposition 3D printing, characterized in that: The mounting seat (1) is provided with a wire placement groove (17), the upper end of the wire placement groove (17) is connected to the upper end surface of the mounting seat (1), and the lower end of the wire placement groove (17) is connected to the upper end of the nozzle heating module (5).

4. A nozzle quick-release structure for fused deposition 3D printing according to claim 2 or 3, characterized in that: The locking portion (7) and the nozzle heating module (5) are respectively located at the upper end and the lower end of the mounting seat (1); the first positioning portion (9) and the first conducting portion (6) are both located on the inner side of the mounting seat (1); and the second positioning portion (10) and the second conducting portion (8) are both located on the inner side of the fixing seat (2).

5. The nozzle quick-release structure for fused deposition 3D printing according to claim 4, characterized in that: The locking portion (7) comprises a locking body (11), on which a rotating shaft (12), a locking block (13) and a shifting block (15) are arranged, wherein the rotating shaft (12) and the shifting block (15) are respectively located at two ends of the locking body (11), and the locking body (11) is rotatably connected to the mounting seat (1) via the rotating shaft (12), and the fixing seat (2) is provided with a locking groove (16) adapted to the locking block (13).

6. The nozzle quick-release structure for fused deposition 3D printing according to claim 1, characterized in that: The nozzle heating module (5) comprises a pipe (18) and a nozzle (19); a heating block (20) is provided on the pipe (18); the nozzle (19) is connected to the lower end of the pipe (18); and the heating block (20) is electrically connected to the first conducting portion (6).

7. The nozzle quick-release structure for fused deposition 3D printing according to claim 6, characterized in that: The nozzle heating module (5) further comprises a retaining spring (21), wherein the retaining spring (21) is sleeved on the outside of the pipe (18) and the heating block (20).

8. The nozzle quick-release structure for fused deposition 3D printing according to claim 2, characterized in that: The first positioning portion (9) is a positioning pin or a positioning hole, and the second positioning portion (10) is a positioning hole or a positioning pin.

9. A nozzle quick-release structure for fused deposition 3D printing according to claim 1 or 2, characterized in that: The first conducting part (6) is a probe module or an adapter plate, and the second conducting part (8) is an adapter plate or a probe module.

10. The nozzle quick-release structure for fused deposition 3D printing according to claim 5, characterized in that: The fixing seat (2) comprises a vertical fixing plate (22) and a horizontally extending extension portion (23), wherein the extension portion (23) is arranged on the inner side of the vertical fixing plate (22), the sliding clamping position (3) is located on the extension portion (23), the locking groove (16) is opened at the upper end of the extension portion (23), a guide block (25) is arranged in the sliding clamping position (3), a guide groove (26) is arranged at the upper end of the mounting seat (1), and the guide groove (26) cooperates with the guide block (25) when the mounting seat (1) is installed, and the second positioning portion (10) and the second conducting portion (8) are both located below the extension portion (23).

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