CN210116175U - Progressive extrusion 3D printing nozzle - Google Patents

Abstract

The utility model discloses a formula of advancing extrusion 3D prints nozzle relates to three-dimensional manufacturing technical field, include connecting tube shell, solution pipe shell and beat printer head, the slip ring has been cup jointed in the outside of connecting tube shell, the upper end fixedly connected with fixed head of solution pipe shell, the upper end fixedly connected with cushion who beats printer head, beat printer head's inside and seted up the hydrojet chamber, the lower extreme fixedly connected with nozzle in hydrojet chamber, the nozzle with beat printer head fixed connection. The utility model discloses a cooperation setting between slip ring, cushion, fixed head and the spliced eye, convenient dismantlement, easy change has avoided the inconvenient problem that influences D print job of dismouting, sets up through the cooperation between nipple, external screw thread, sealing washer and the internal thread, can unpack D printing nozzle apart, is favorable to wasing, makes the empty more clean of inside, has avoided because of the problem that the unclean causes the jam of wasing.

Description

Progressive extrusion 3D printing nozzle

Technical Field

The utility model relates to a three-dimensional manufacturing technical field, in particular to formula extrusion 3D that advances one by one prints nozzle.

Background

3D prints one of quick forming technique, it is one kind and uses digital model file as the basis, but adhesive material such as powdered metal or plastics, constructs the technique of object through the mode of layer-by-layer printing, and 3D prints the nozzle and is the indispensable article of 3D printing, and a progressive extrusion 3D prints the nozzle and is the most popular nozzle in the market now.

At present, the current progressive extrusion 3D print nozzle in the market, the dismouting is not in the aspect of having very big influence to 3D print job, changes 3D print nozzle very waste time, and current progressive extrusion 3D print nozzle washs inconveniently, and the too little clearance of inner space is unclean, influences 3D print job very much and probably because the inside unclean problem that causes the jam.

Therefore, it is necessary to invent a progressive extrusion 3D printing nozzle to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a formula extrusion 3D prints nozzle progressively to current formula extrusion 3D that proposes in solving above-mentioned background art prints the nozzle and changes inconveniently, and the waste time influences 3D print job, washs inconvenient inner space than easy clean up's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a progressive extrusion 3D printing nozzle comprises a connecting pipe shell, a solution pipe shell and a printing head, wherein a sliding ring is sleeved on the outer side of the connecting pipe shell, a fixing head is fixedly connected to the upper end of the solution pipe shell, an elastic cushion is fixedly connected to the upper end of the printing head, a liquid spraying cavity is formed in the printing head, a nozzle is fixedly connected to the lower end of the liquid spraying cavity, the nozzle is fixedly connected with the printing head, internal threads are fixedly connected to two sides of the inner wall of the top end of the liquid spraying cavity, a sealing groove is formed in the top end of the liquid spraying cavity, a solution pipe is formed in the solution pipe shell, a heat insulation layer is connected to the outer side of the solution pipe in a laminating mode, the heat insulation layer is fixedly connected with the solution pipe shell, the solution pipe penetrates through the fixing head, an insertion hole is formed in the fixing head, and the inner wall of the insertion hole, the outer side of the lower end of the solution pipe is fixedly connected with a sealing ring, the bottom end of the solution pipe is fixedly connected with a threaded head, the outer side of the threaded head is fixedly connected with external threads, the inside of the connecting pipe shell is provided with a connecting pipe, the outer side of the connecting pipe is connected with a heat-insulating layer in a laminating manner, the heat-insulating layer is fixedly connected with the connecting pipe shell, the middle part of the outer side of the connecting pipe is fixedly connected with a sealing gasket, the sealing gasket is fixedly connected with the connecting pipe shell, the inside of the sliding ring is provided with a sliding groove, the inside of the sliding groove is fixedly connected with a movable sliding block, one side of the movable sliding block is fixedly connected with a spring, one end of the spring is fixedly connected with a fixed sliding block, one end of the fixed, the inside of activity groove is through bearing fixedly connected with buckle, the removal and the through-hole swing joint of buckle.

Optionally, the external thread is matched with the internal thread, and the sealing ring is matched with the sealing groove.

Optionally, the buckle is in an L shape, one end of the buckle is in a semicircular shape, the buckle is matched with the through hole, and the through hole corresponds to the movable sliding block.

Optionally, the solution pipe is adapted to a connecting pipe, and the connecting pipe is adapted to the insertion hole.

Optionally, the fixing head is semicircular, and the fixing head is matched with the buckle.

Optionally, the fixed sliding block is adapted to the sliding groove, and the movable sliding block is adapted to the sliding groove.

Optionally, there are a plurality of the buckles, and the plurality of the buckles are arranged in an annular shape.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a cooperation setting between slip ring, cushion, fixed head and the spliced eye, the convenient dismantlement is changed easily, has avoided the inconvenient problem that influences 3D print job of dismouting.

2. The utility model discloses a cooperation setting between screw thread head, external screw thread, sealing washer and the internal thread can be unpack 3D printing nozzle apart, is favorable to wasing, makes the empty more clean of washing in inside, has avoided because of wasing the problem that the unclean causes the jam.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the structure of the sliding ring and the connecting pipe housing of the present invention;

FIG. 3 is a schematic cross-sectional view of a printhead structure according to the present invention;

FIG. 4 is a schematic sectional view of the shell structure of the solution pipe of the present invention;

FIG. 5 is an enlarged schematic view of the structure at A in FIG. 3 according to the present invention;

fig. 6 is an enlarged schematic view of the structure at B in fig. 4 according to the present invention.

In the figure: 1. a connecting tube housing; 2. a slip ring; 3. an elastic pad; 4. a print head; 5. a solution tube housing; 6. a fixed head; 7. a liquid spray chamber; 8. a nozzle; 9. inserting holes; 10. a solution tube; 11. a heat insulation layer; 12. a screw head; 13. an external thread; 14. a seal ring; 15. an internal thread; 16. a sealing groove; 17. a connecting pipe; 18. a gasket; 19. a chute; 20. a movable groove; 21. a through hole; 22. buckling; 23. moving the slide block; 24. a spring; 25. and fixing the sliding block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a progressive extrusion 3D printing nozzle as shown in figures 1-6, which comprises a connecting tube shell 1, a solution tube shell 5 and a printing head 4, a slip ring 2 is sleeved outside the connecting tube shell 1, a fixed head 6 is fixedly connected with the upper end of the solution tube shell 5, an elastic cushion 3 is fixedly connected with the upper end of the printing head 4, a liquid spraying cavity 7 is arranged inside the printing head 4, a nozzle 8 is fixedly connected with the lower end of the liquid spraying cavity 7, the nozzle is convenient to disassemble and easy to replace by the matching arrangement of the slip ring 2, the elastic cushion 3, the fixed head 6 and a plugging hole 9, the problem that the 3D printing work is influenced by the inconvenient disassembly and assembly is avoided, the nozzle 8 is fixedly connected with the printing head 4, inner walls at both sides of the top end of the liquid spraying cavity 7 are fixedly connected with internal threads 15, a sealing groove 16 is arranged at the top end of the liquid spraying cavity 7, a solution tube 10, the outer side of the solution pipe 10 is jointed with a heat-insulating layer 11, the heat-insulating layer 11 is fixedly connected with the solution pipe shell 5, the solution pipe 10 penetrates through the fixed head 6, the inside of the fixed head 6 is provided with an inserting hole 9, the solution pipe 10 is matched with a connecting pipe 17, the connecting pipe 17 is matched with the inserting hole 9, the inner wall of the inserting hole 9 is jointed and connected with the inner wall of the solution pipe 10, the outer side of the lower end of the solution pipe 10 is fixedly connected with a sealing ring 14, the bottom end of the solution pipe 10 is fixedly connected with a threaded head 12, the outer side of the threaded head 12 is fixedly connected with an external thread 13, the external thread 13 is matched with an internal thread 15, the sealing ring 14 is matched with a sealing groove 16, the inside of the connecting pipe shell 1 is provided with a connecting pipe 17, the outer side of the connecting pipe 17 is jointed, the sealing gasket 18 is fixedly connected with the connecting pipe shell 1, the sliding ring 2 is internally provided with a sliding groove 19, the sliding groove 19 is fixedly connected with a movable sliding block 23, one side of the movable sliding block 23 is fixedly connected with a spring 24, one end of the spring 24 is fixedly connected with a fixed sliding block 25, one end of the fixed sliding block 25 is fixedly connected with the connecting pipe shell 1, the fixed sliding block 25 is matched with the sliding groove 19, the movable sliding block 23 is matched with the sliding groove 19, the lower end of the inner wall of the connecting pipe shell 1 is provided with a through hole 21, a movable groove 20 is arranged above the through hole 21, the inside of the movable groove 20 is fixedly connected with a buckle 22 through a bearing, the 3D printing nozzle 8 can be disassembled through the matching arrangement between the thread head 12, the external thread 13 and the internal thread 15, the cleaning is beneficial to cleaning, the internal air is cleaned more cleanly, the problem of, buckle 22's one end is semicircle form, buckle 22 and through-hole 21 looks adaptation, and through-hole 21 is corresponding with removal slider 23, and buckle 22's removal and through-hole 21 swing joint, fixed head 6 are semicircle form, fixed head 6 and buckle 22 looks adaptation, and buckle 22 has a plurality ofly, and a plurality of buckles 22 are the annular and arrange in an array.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

This practical theory of operation: when in use, one end of the connecting pipe shell 1 is connected with 3D printing equipment for printing, when a spray head is replaced, the sliding ring 2 is held, the sliding ring 2 is pushed upwards with force, the sliding ring 2 moves upwards, the sliding ring 2 drives the movable sliding block 23 to move upwards, the movable sliding block 23 moves upwards to extrude the spring 24, the movable sliding block 23 moves to the upper part of the through hole 21, the spray head to be replaced is pulled out with force, the printing head 4 moves downwards, the printing head 4 drives the elastic pad 3 to move downwards, meanwhile, the printing head 4 drives the solution pipe shell 5 to move downwards, the solution pipe shell 5 drives the fixed head 6 to move downwards, the fixed head 6 moves downwards to extrude the buckle 22, the buckle 22 slides outwards the connecting pipe shell 1 through the through hole 21 to take out the spray head to be replaced, a new spray head is inserted into the connecting pipe shell 1 to be aligned with the connecting pipe 17 in the connecting pipe shell 1, the printing head 4 is moved upwards, the printing head 4 drives the elastic pad 3 to move upwards, meanwhile, the printing head 4 drives the solution tube shell 5 to move upwards, the solution tube shell 5 drives the fixed head 6 to move upwards, the fixed head 6 is connected with the connecting pipe 17, the fixed head 6 is tightly attached with the sealing gasket 18, the sliding ring 2 is loosened, the spring 24 pushes the movable sliding block 23 to move downwards, the movable sliding block 23 drives the sliding ring 2 to move downwards, the movable sliding block 23 simultaneously extrudes the buckle 22, the buckle 22 slides towards the inside of the connecting pipe shell 1 through the through hole 21, the buckle 22 fixes the fixed head 6, a changed nozzle is cleaned, the printing head 4 is fixed, the solution tube shell 5 is rotated forcibly, the solution tube shell 5 rotates to drive the threaded head 12 to rotate, the threaded head 12 drives the sealing ring 14 to rotate, the external thread 13 on the threaded head 12 is separated from the internal thread 15, the external thread 13 is separated from the internal thread 15 to separate the solution pipe housing 5 from the print head 4, and the solution pipe housing 5 and the print head 4 are cleaned.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (7)

1. The utility model provides a progressive extrusion 3D printing nozzle, includes connecting tube shell (1), solution pipe shell (5) and beats printer head (4), its characterized in that: the outer side of the connecting pipe shell (1) is sleeved with a sliding ring (2), the upper end of the solution pipe shell (5) is fixedly connected with a fixed head (6), the upper end of the printing head (4) is fixedly connected with an elastic cushion (3), the inside of the printing head (4) is provided with a liquid spraying cavity (7), the lower end of the liquid spraying cavity (7) is fixedly connected with a nozzle (8), the nozzle (8) is fixedly connected with the printing head (4), both sides of the inner wall of the top end of the liquid spraying cavity (7) are fixedly connected with internal threads (15), the top end of the liquid spraying cavity (7) is provided with a sealing groove (16), the inside of the solution pipe shell (5) is provided with a solution pipe (10), the outer side of the solution pipe (10) is jointed with a heat preservation and insulation layer (11), the heat preservation and insulation layer (11) is fixedly connected with the solution pipe shell (5), and the solution pipe (10), the inner part of the fixed head (6) is provided with an inserting hole (9), the inner wall of the inserting hole (9) is jointed and connected with the inner wall of the solution pipe (10), the outer side of the lower end of the solution pipe (10) is fixedly connected with a sealing ring (14), the bottom end of the solution pipe (10) is fixedly connected with a threaded head (12), the outer side of the threaded head (12) is fixedly connected with an external thread (13), the inner part of the connecting pipe shell (1) is provided with a connecting pipe (17), the outer side of the connecting pipe (17) is jointed and connected with a heat-insulating layer (11), the heat-insulating layer (11) is fixedly connected with the connecting pipe shell (1), the middle part of the outer side of the connecting pipe (17) is fixedly connected with a sealing gasket (18), the sealing gasket (18) is fixedly connected with the connecting pipe shell (1), the inner part of the sliding ring (2) is provided with a sliding chute (, remove one side fixedly connected with spring (24) of slider (23), one end fixedly connected with solid fixed sliding block (25) of spring (24), the one end and connecting tube shell (1) fixed connection of solid fixed sliding block (25), through-hole (21) have been seted up to the inner wall lower extreme of connecting tube shell (1), the top of through-hole (21) is equipped with movable groove (20), bearing fixedly connected with buckle (22) are passed through to the inside of movable groove (20), the removal and through-hole (21) swing joint of buckle (22).

2. The progressive extrusion 3D printing nozzle of claim 1, wherein:

the external thread (13) is matched with the internal thread (15), and the sealing ring (14) is matched with the sealing groove (16).

3. The progressive extrusion 3D printing nozzle of claim 1, wherein:

the buckle (22) is L-shaped, one end of the buckle (22) is semicircular, the buckle (22) is matched with the through hole (21), and the through hole (21) corresponds to the movable sliding block (23).

4. The progressive extrusion 3D printing nozzle of claim 1, wherein:

the solution pipe (10) is matched with the connecting pipe (17), and the connecting pipe (17) is matched with the insertion hole (9).

5. The progressive extrusion 3D printing nozzle of claim 1, wherein:

the fixing head (6) is semicircular, and the fixing head (6) is matched with the buckle (22).

6. The progressive extrusion 3D printing nozzle of claim 1, wherein:

the fixed sliding block (25) is matched with the sliding groove (19), and the movable sliding block (23) is matched with the sliding groove (19).

7. The progressive extrusion 3D printing nozzle of claim 1, wherein:

the number of the buckles (22) is multiple, and the plurality of the buckles (22) are arranged in a ring shape.

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