CN209869413U - 3D printing apparatus with high-precision printing nozzle - Google Patents
3D printing apparatus with high-precision printing nozzle Download PDFInfo
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- CN209869413U CN209869413U CN201920215940.0U CN201920215940U CN209869413U CN 209869413 U CN209869413 U CN 209869413U CN 201920215940 U CN201920215940 U CN 201920215940U CN 209869413 U CN209869413 U CN 209869413U
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- nozzle
- nozzles
- printing
- rotating ring
- hole
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Abstract
The utility model provides a 3D printing device with high-precision printing nozzle, which comprises a nozzle, wherein the bottom of the nozzle is provided with a discharge hole, the nozzle is provided with a feeding pipe, one end of the feeding pipe is connected with the feeding device, and the other end is connected with the discharge hole; the nozzles are circumferentially distributed at the bottom of the spray head, and the circumference of the rotating ring is fixedly connected with the nozzles; a fixed block is arranged at the center of the rotating ring and is rotationally connected with the spray head; the rotating ring is provided with a buckle mechanism, the spray head is provided with clamping grooves with the same number as the nozzles, and the clamping grooves are circumferentially distributed around the buckle mechanism; when the swivel rotates to make buckle mechanism when different draw-in grooves block, can drive different nozzles and discharge gate alignment to can match different demands of printing, adopt the nozzle of heavy-calibre to improve and print efficiency, adopt the nozzle of small bore to improve and print the precision.
Description
Technical Field
The utility model relates to a 3D printing apparatus field, concretely relates to 3D printing apparatus with shower nozzle is printed to high accuracy.
Background
The existing 3D printers all adopt a single-nozzle working mode to print target models, and the shape and size difference of various target models cannot be adjusted due to the fixed cross-sectional shape of a single nozzle, so that the adaptability adjustment cannot be performed according to the shape or size of the target models; for example, when a planar plate is printed, the printing efficiency can be remarkably improved by increasing the caliber of the nozzle, the amount of melting consumables sprayed by the existing fixed-caliber nozzle is relatively small, and if a nozzle with a larger caliber is adopted, the printing time can be remarkably reduced; when printing a precise part or a small part with a small size, the accuracy of the target model is seriously influenced by overlarge caliber of the spray head, and only the spray head with a small section size can be adopted.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a 3D printing apparatus with shower nozzle is printed to high accuracy to solve the problem that proposes in the background art.
The utility model provides a D printing apparatus with shower nozzle is printed to high accuracy, includes the shower nozzle, and open the shower nozzle bottom has the discharge opening, is equipped with the inlet pipe on the shower nozzle, and inlet pipe one end is connected with feed arrangement, and the other end is connected with the discharge opening, its characterized in that: the device also comprises a rotating ring and a plurality of nozzles with different calibers;
the nozzles are circumferentially distributed at the bottom of the spray head, and the circumference of the rotating ring is fixedly connected with the nozzles; a fixed block is arranged at the center of the rotating ring and is rotationally connected with the spray head;
the rotating ring is provided with a buckle mechanism, the spray head is provided with clamping grooves with the same number as the nozzles, and the clamping grooves are circumferentially distributed around the buckle mechanism; when the rotating ring is rotated to enable the clamping mechanism to be clamped with different clamping grooves, different nozzles can be driven to be aligned with the discharge holes.
Preferably, the nozzle tip abuts against the spray head bottom end.
Preferably, the spray holes of the nozzles are all conical holes, the small end diameters of the conical holes are different from each other, but the large end diameters of the conical holes are the same as the diameter of the discharge hole.
Preferably, the spray head is also provided with a liquid outlet hole and a liquid inlet pipe, one end of the liquid inlet pipe is connected with the cleaning equipment, and the other end of the liquid inlet pipe is connected with the liquid outlet hole; when the rotating ring is rotated to clamp the clamping mechanism with the clamping groove, one nozzle is aligned with the discharge hole, and the other nozzle is aligned with the liquid outlet hole.
Preferably, the inside of shower nozzle is equipped with the cylindricality hole, and open the bottom in cylindricality hole has the through-hole that runs through to the shower nozzle bottom, and the rotation post is installed to the cylindricality downthehole rotation, and the bottom of rotation post is equipped with the connecting rod, and the connecting rod passes through-hole and fixed block fixed connection.
Preferably, the circumferential surface of the cylindrical hole is provided with the clamping groove; buckle mechanism includes reference column and spring, and it has radial mounting groove to open on the column spinner, and the spring setting is in the mounting groove, reference column slidable mounting in the mounting groove and with spring fixed connection, under the spring action of spring, but the outside protrusion column spinner of head and block of reference column are in the draw-in groove.
Preferably, the head of the positioning column is hemispherical, and the clamping groove is an arc-shaped groove.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the 3D printing equipment with the high-precision printing nozzle is provided, the nozzles with different calibers can be replaced by rotating the rotating ring before the device is used, so that different printing requirements can be matched, the printing efficiency can be improved by adopting the nozzle with the large caliber, and the printing precision can be improved by adopting the nozzle with the small caliber;
2. after the clamping structure of the positioning column and the clamping groove is adopted, when the rotating ring is rotated, the clamping of the positioning column and the clamping groove can give feedback to an operator, so that the operator can realize that the nozzle is aligned with the discharge hole, and the operation adjustment is convenient;
3. the spray head is also provided with a liquid outlet hole and a liquid inlet pipe; after printing equipment prints the work and accomplishes, accessible cleaning device lets in the cleaning solution to the feed liquor pipe, and the cleaning solution passes through the drain hole and can enters into the orifice of nozzle to accomplish the washing to the nozzle, can improve the use accuracy of device, and can alleviate subsequent maintenance work.
Drawings
Fig. 1 is a bottom view of a 3D printing apparatus with a high precision printing head as proposed by the present invention;
fig. 2 is a front view of a 3D printing apparatus with a high precision printing head according to the present invention;
FIG. 3 is a structural diagram of the middle rotating ring part of the present invention;
fig. 4 is a cross-sectional view of the swivel part of the present invention;
the reference numbers are as follows:
1. a spray head; 2. a feed pipe; 3. a liquid inlet pipe; 4. a nozzle; 5. rotating the ring; 6. a discharge hole; 7. a liquid outlet hole; 8. a cylindrical hole; 9. a card slot; 10. a spin column; 11. a spring; 12. a positioning column; 13. and (5) fixing blocks.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified. The terms "inner," "upper," "lower," and the like, refer to an orientation or a state relationship based on that shown in the drawings, which is for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention; the terms "first," "second," and the like in the description and in the claims, and in the drawings described above, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein.
As shown in fig. 1-4, the 3D printing device with the high-precision printing nozzle comprises a nozzle 1, a discharge hole 6 is formed at the bottom of the nozzle 1, a feeding pipe 2 is arranged on the nozzle 1, one end of the feeding pipe 2 is connected with a feeding device, the other end of the feeding pipe 2 is connected with the discharge hole 6, and the 3D printing device further comprises a swivel 5 and a plurality of nozzles 4 with different calibers;
the nozzles 4 are circumferentially distributed at the bottom of the spray head 1, and the circumference of the rotating ring 5 is fixedly connected with the nozzles 4; a fixed block 13 is arranged at the center of the rotating ring 5, and the fixed block 13 is rotationally connected with the spray head 1;
the rotating ring 5 is provided with a buckling mechanism, the spray head 1 is provided with clamping grooves 9 with the same number as the nozzles 4, and the clamping grooves 9 are circumferentially distributed around the buckling mechanism; when the rotating ring 5 is rotated to enable the clamping mechanism to be clamped with different clamping grooves 9, different nozzles 4 can be driven to be aligned with the discharge holes 6.
This device accessible rotates swivel 5 and changes the nozzle 4 of different bores before using to can match different printing demands, adopt the nozzle 4 of heavy-calibre to improve and print efficiency, adopt the nozzle 4 of small bore to improve and print the precision.
In a further specific arrangement, as shown in fig. 3 and 4, a cylindrical hole 8 is formed inside the spray head 1, a through hole penetrating through the bottom end of the spray head 1 is formed at the bottom of the cylindrical hole 8, a rotating column 10 is rotatably mounted in the cylindrical hole 8, a connecting rod is arranged at the bottom end of the rotating column 10, and the connecting rod penetrates through the through hole and is fixedly connected with a fixed block 13; in this embodiment, the fixing block 13 is a cylindrical block, and the axes of the fixing block 13, the connecting rod, and the rotating column 10 are collinear.
The circumferential surface of the cylindrical hole is provided with the clamping groove 9; buckle mechanism includes reference column 12 and spring 11, and it has radial mounting groove to open on the column spinner 10, and spring 11 sets up in the mounting groove, and reference column 12 slidable mounting in the mounting groove and with spring 11 fixed connection, under spring 11's elastic force effect, but reference column 12's head outwards protrusion column spinner 10 and block are in draw-in groove 9.
In this embodiment, the head of the positioning column 12 is hemispherical, the slot 9 is an arc-shaped slot, and when the two are engaged, the hemispherical head of the positioning column 12 is tangent to the slot surface of the slot 9, so that when the rotating column 10 rotates to drive the positioning column 12 to rotate, the acting force exerted on the positioning column 12 by the slot 9 can cause the positioning column 12 to contract until the positioning column 12 contracts into the mounting slot without interfering with the rotation of the rotating column 10, so that the positioning column 12 can be engaged in the next slot 9.
In this embodiment, after the engaging structure of the positioning column 12 and the engaging groove 9 is adopted, when the rotating ring 5 is rotated, the engaging structure of the positioning column and the engaging groove can give feedback to an operator, so that the operator can realize that the nozzle 4 and the discharge hole 6 are aligned, thereby facilitating the adjustment of operation.
In the embodiment, the top end of the nozzle 4 is abutted against the bottom end of the spray head 1, so that the phenomenon of overflowing of materials in the working process can be prevented.
In the embodiment, the spray holes of the nozzles 4 are all conical holes, the diameters of the small ends of the conical holes are different from each other, but the diameters of the large ends of the conical holes are the same as the diameter of the discharge hole 6.
Considering that materials possibly remain in the nozzle 4, the materials are difficult to clean after hardening and influence the printing precision, a cleaning structure is further arranged in the embodiment, the spray head 1 is provided with a liquid outlet hole 7 and a liquid inlet pipe 3, one end of the liquid inlet pipe 3 is connected with a cleaning device, and the other end of the liquid inlet pipe 3 is connected with the liquid outlet hole 7; when the rotating ring 5 is rotated to enable the clamping mechanism to be clamped with the clamping groove 9, one nozzle is aligned with the discharge hole 6, and the other nozzle is aligned with the liquid outlet hole 7; after printing equipment prints the work and accomplishes, accessible cleaning device lets in the cleaning solution to feed liquor pipe 3, and the cleaning solution can enter into the orifice of nozzle 4 through going out liquid hole 7 to the completion is to the washing of nozzle 4, can improve the use precision of device, and can alleviate subsequent maintenance work.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a 3D printing apparatus with shower nozzle is printed to high accuracy, includes shower nozzle (1), and open shower nozzle (1) bottom has discharge opening (6), is equipped with inlet pipe (2) on shower nozzle (1), and inlet pipe (2) one end is connected with feed arrangement, and its characterized in that is connected with discharge opening (6) to the other end: the device also comprises a rotating ring (5) and a plurality of nozzles (4) with different calibers;
the nozzles (4) are circumferentially distributed at the bottom of the spray head (1), and the periphery of the rotating ring (5) is fixedly connected with the nozzles (4); a fixed block (13) is arranged at the center of the rotating ring (5), and the fixed block (13) is rotationally connected with the spray head (1);
the rotating ring (5) is provided with a clamping mechanism, the spray head (1) is provided with clamping grooves (9) with the same number as the nozzles (4), and the clamping grooves (9) are circumferentially distributed around the clamping mechanism; when the rotating ring (5) is rotated to clamp the clamping mechanism with different clamping grooves (9), different nozzles (4) can be driven to align with the discharge holes (6).
2. The 3D printing device with high precision printing nozzle of claim 1, wherein: the top end of the nozzle (4) is abutted against the bottom end of the spray head (1).
3. The 3D printing device with high precision printing nozzle of claim 1, wherein: the spray holes of the nozzles (4) are all conical holes, the diameters of the small ends of the conical holes are different from each other, but the diameters of the large ends of the conical holes are the same as the diameters of the discharge holes (6).
4. The 3D printing device with high precision printing nozzle of claim 1, wherein: a liquid outlet hole (7) and a liquid inlet pipe (3) are also arranged on the spray head (1), one end of the liquid inlet pipe (3) is connected with the cleaning equipment, and the other end of the liquid inlet pipe is connected with the liquid outlet hole (7); when the rotating ring (5) is rotated to enable the clamping mechanism to be clamped with the clamping groove (9), one nozzle is aligned with the discharge hole (6), and the other nozzle is aligned with the liquid outlet hole (7).
5. The 3D printing device with high precision printing nozzle of claim 1, wherein: the inside of shower nozzle (1) is equipped with cylindricality hole (8), and open the bottom in cylindricality hole (8) has the through-hole that runs through to shower nozzle (1) bottom, and column spinner (10) are installed to cylindricality hole (8) internal rotation, and the bottom of column spinner (10) is equipped with the connecting rod, and the connecting rod passes through-hole and fixed block (13) fixed connection.
6. The 3D printing device with high precision printing nozzle according to claim 5, wherein: the circumferential surface of the cylindrical hole is provided with the clamping groove (9); buckle mechanism includes reference column (12) and spring (11), and it has radial mounting groove to open on revolving column (10), and spring (11) set up in the mounting groove, reference column (12) slidable mounting in the mounting groove and with spring (11) fixed connection, under the spring action of spring (11), but the outside protrusion revolving column (10) of head of reference column (12) and block are in draw-in groove (9).
7. The 3D printing device with high precision printing nozzle according to claim 6, wherein: the head of the positioning column (12) is hemispherical, and the clamping groove (9) is an arc-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920215940.0U CN209869413U (en) | 2019-02-20 | 2019-02-20 | 3D printing apparatus with high-precision printing nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920215940.0U CN209869413U (en) | 2019-02-20 | 2019-02-20 | 3D printing apparatus with high-precision printing nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209869413U true CN209869413U (en) | 2019-12-31 |
Family
ID=68952907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920215940.0U Expired - Fee Related CN209869413U (en) | 2019-02-20 | 2019-02-20 | 3D printing apparatus with high-precision printing nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209869413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112547421A (en) * | 2020-11-30 | 2021-03-26 | 九江市海纳电讯技术有限公司 | Pneumatic glue dispensing instrument for combiner machining |
-
2019
- 2019-02-20 CN CN201920215940.0U patent/CN209869413U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112547421A (en) * | 2020-11-30 | 2021-03-26 | 九江市海纳电讯技术有限公司 | Pneumatic glue dispensing instrument for combiner machining |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 Termination date: 20210220 |