CN215283385U - Double-nozzle structure and 3D printer - Google Patents

Abstract

The utility model discloses a dual spray structure and 3D printer relates to 3D and prints technical field. The double-nozzle structure comprises an installation part, two driving parts arranged at intervals, two nozzle assemblies arranged at intervals and a transmission part. The driving piece is fixedly connected with the mounting piece. The spray head assembly is movably connected with the mounting piece. The transmission part is rotationally arranged on the mounting part, two ends of the transmission part are respectively connected with the two spray head components, and one spray head component can drive the transmission part to move when moving along the positive direction of the Z axis and enables the other spray head component to move along the negative direction of the Z axis. This double spray head structure can prevent to appear interfering the phenomenon between another shower nozzle subassembly and model or the preceding shower nozzle subassembly, ensures the smooth and easy nimble of printing and goes on. Because the nozzle assembly which is not positioned at the printing position does not interfere with the model, the printing path can be planned and designed according to the printing path of the single nozzle assembly, and the printing efficiency of the double-nozzle structure during use is improved.

Description

Double-nozzle structure and 3D printer

Technical Field

The utility model relates to a 3D prints technical field, especially relates to a dual spray structure and 3D printer.

Background

FDM dual spray 3D printer has the shower nozzle of two different models, can print through the switching of shower nozzle at the actual in-process of printing to need not the shut down and change the shower nozzle, increased the flexibility of printing. The dual-nozzle structure adopted by the 3D printer in the prior art usually adopts symmetrical nozzles located at the same height position, interference can exist between unused nozzles and a model in the printing process, the normal printing path is influenced, the difficulty of a path planning algorithm is increased, meanwhile, in order to avoid the interference of the nozzles and the model, a large number of idle paths can be increased, and the printing efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two shower nozzle structure can improve the printing flexibility and the printing efficiency of two shower nozzle structures.

Another object of the utility model is to provide a 3D printer can improve the flexibility and the printing efficiency that 3D printed.

For realizing the above technical effect, the technical scheme of the utility model as follows:

a dual showerhead structure, comprising: a mounting member; the driving pieces are arranged at intervals, and one end of each driving piece is fixedly connected with the mounting piece; the two spray head assemblies are arranged at intervals and movably connected with the mounting piece; the driving medium, the driving medium is rotationally established on the installed part, the both ends of driving medium respectively with two the shower nozzle subassembly is connected, one the shower nozzle subassembly can drive when moving along Z axle positive direction the driving medium motion and make another shower nozzle subassembly move along Z axle negative direction. Two shower nozzle subassemblies move along opposite direction, make a shower nozzle subassembly be located when printing the position, another shower nozzle subassembly can not appear interfering the phenomenon with preceding shower nozzle subassembly and printing model, has ensured to switch the shower nozzle at the printing in-process to improve and print the flexibility and print efficiency.

Further, the driving piece comprises an electromagnet, and the electromagnet can drive the spray head assembly to move when being electrified and is connected with the electromagnet. The motion that the electro-magnet can accurate control shower nozzle subassembly.

Further, two shower nozzle structures still include the guide, the shower nozzle subassembly passes through the guide with installed part swing joint. The guide piece can ensure that the spray head component keeps moving in the preset direction when driving the other spray head component to move through the transmission piece.

Furthermore, two first guide grooves arranged along the Z-axis direction are formed in the mounting piece, and the guide piece penetrates through the first guide grooves. The first guide groove is matched with the guide piece to achieve a good guiding effect.

Furthermore, the transmission part comprises two guide rods which are connected with each other, the two guide rods are rotatably arranged on the mounting part along the distribution direction of the two spray head components, and the end part of each guide rod is connected with one spray head component. The guide rod rotatably arranged on the mounting part can smoothly drive one spray head assembly to move along the opposite direction when the other spray head assembly moves.

Further, the mounting part is provided with two second guide grooves along the Z-axis direction, and each guide rod is matched in one second guide groove. The second guide groove and the guide rod have a good guiding effect, and the two spray head assemblies can move along the Z-axis direction.

Furthermore, the second guide grooves are arc-shaped, and the two second guide grooves have the same circle center. The movement paths of the two spray head assemblies can be mutually mirrored, so that the movement of the two spray head assemblies is convenient to adjust, and the use experience of a user is improved.

Further, the nozzle assembly comprises a matching portion, a sliding groove is formed in the side wall of the matching portion, a rolling body is arranged at the end of the transmission piece, and the rolling body is matched in the sliding groove. The arrangement of the rolling bodies and the sliding grooves can better realize that the guide piece is not interfered by the movement of the spray head assembly in the preset direction in the rotating process.

Further, a step surface is formed in the inner wall of the sliding groove and used for limiting the rolling body to move along the axial direction of the transmission piece. The step surface can play a better limiting role and prevent the rolling body from separating from the matching part when moving in the chute.

A3D printer comprises the double-nozzle structure.

The utility model discloses a dual spray external member and 3D printer, when a driving piece drive shower nozzle subassembly was followed the direction motion of predetermineeing, this shower nozzle subassembly will drive the driving medium motion, make the driving medium can drive another shower nozzle subassembly along the opposite direction motion of predetermineeing the direction, thereby ensure that two shower nozzle subassemblies are located different positions, and enable a shower nozzle subassembly and get into the printing position and accomplish and print, the driving medium can make another shower nozzle subassembly keep away from the printing position this moment, thereby can prevent to appear interfering the phenomenon between another shower nozzle subassembly and model or the preceding shower nozzle subassembly, ensure that smooth and easy nimble going on of printing. In the printing process, the nozzle assembly which is not positioned at the printing position cannot interfere with the model, so that the printing path can be planned and designed according to the printing path of the single nozzle assembly, and the printing efficiency of the double-nozzle structure during use is improved. Meanwhile, the 3D printer is provided with the double-nozzle external member, so that the use flexibility of the nozzle structure can be improved, and the printing efficiency is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of a dual nozzle structure according to an embodiment of the present invention;

FIG. 2 is a second schematic structural view of a dual nozzle structure according to an embodiment of the present invention;

FIG. 3 is an exploded view of a dual nozzle structure according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the matching portion, the transmission member and the guide member according to the embodiment of the present invention.

Reference numerals

1. A mounting member; 11. a first guide groove; 12. a second guide groove; 2. a drive member; 3. a showerhead assembly; 31. a fitting portion; 32. a chute; 321. a step surface; 33. a nozzle; 4. a transmission member; 41. a guide bar; 42. a connecting plate; 5. a guide member; 6. and a rolling body.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

It will be understood that the terms "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be considered as limiting. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example 1

Specific structures of the dual nozzle structure according to the embodiment of the present invention are described with reference to fig. 1 to 4.

Fig. 1 shows an embodiment of a dual nozzle arrangement comprising a mounting part 1, two spaced-apart drive parts 2, two spaced-apart nozzle assemblies 3 and a transmission part 4. One end of the driving piece 2 is fixedly connected with the mounting piece 1. The spray head component 3 is movably connected with the mounting component 1. Transmission piece 4 rotationally establishes on installed part 1, and the both ends of transmission piece 4 are connected with two shower nozzle subassemblies 3 respectively, and when shower nozzle subassembly 3 moved along Z axle positive direction, can drive transmission piece 4 and move and make another shower nozzle subassembly 3 move along Z axle negative direction.

It can be understood that when one driving member 2 drives one nozzle assembly 3 to move along the positive direction of the Z axis, the nozzle assembly 3 will drive the transmission member 4 to move, so that the transmission member 4 can drive the other nozzle assembly 3 to move along the negative direction of the Z axis, thereby ensuring that the two nozzle assemblies 3 are located at different positions and enabling one nozzle assembly 3 to enter the printing position to complete printing. At the same time, the two drive elements 2 ensure the drive reliability for the two spray head assemblies 3. Can make another shower nozzle subassembly 3 keep away from the printing position according to the structure of driving medium 4 this moment to can prevent to appear interfering the phenomenon between another shower nozzle subassembly 3 and model or the preceding shower nozzle subassembly 3, ensure the smooth and easy flexibility of printing and go on. From this, the double spray head structure of this embodiment can distinguish two shower nozzle subassembly 3's model when actual application to can change the shower nozzle subassembly 3 that is located print position according to actual printing demand, and then improve and print the flexibility. In addition, in the printing process, because the nozzle assembly 3 which is not positioned at the printing position does not interfere with the model, the printing path can be planned and designed according to the printing path of the single nozzle assembly 3, and the printing efficiency of the double-nozzle structure in use is improved.

Specifically, in this embodiment, the actual directions on the Z axis of the positive Z-axis direction and the negative Z-axis direction may be determined according to actual requirements, and need not be specifically limited.

In the present embodiment, as shown in fig. 1-3, the driving member 2 includes an electromagnet, and the electromagnet can drive the spray head assembly 3 to move when being electrified and is connected with the electromagnet. The electromagnet can generate a magnetic field when being electrified and attract the spray head assembly 3 to move towards the electromagnet, and meanwhile, the electromagnet can be reliably adsorbed on the electromagnet, so that the reliability of the spray head assembly 3 during printing is enhanced. In addition, the electromagnet can more efficiently control the movement of the showerhead assembly 3 in the Z-axis direction.

Specifically, in this embodiment, the electro-magnet sets up in shower nozzle subassembly 3's top the utility model discloses an in other embodiments, the electro-magnet also can set up in one side of shower nozzle subassembly 3, and the position that specifically sets up of electro-magnet can be confirmed according to the actual demand, need not to carry out concrete injecing.

In the present embodiment, as shown in fig. 1-4, the dual nozzle structure further includes a guide 5, and the nozzle assembly 3 is movably connected to the mounting member 1 through the guide 5. Guide 5 can ensure that shower nozzle subassembly 3 moves along Z axle direction when moving on installed part 1 to prevent that one shower nozzle subassembly 3 from leading to the skew Z axle direction's of direction of motion of two shower nozzle subassemblies 3 problem when driving another shower nozzle subassembly 3 motion through driving medium 4, thereby ensure the accuracy that 3D printed.

In the present embodiment, as shown in fig. 1 to 3, two first guide grooves 11 are formed in the mounting member 1 along the Z-axis direction, and the guide 5 is inserted into the first guide grooves 11. Because the first guide groove 11 extends along the Z-axis direction, the guide member 5 inserted into the first guide groove 11 can only move along the Z-axis direction, so that the nozzle assembly 3 connected with the guide member 5 can move along the Z-axis direction without deviating from the Z-axis direction under the action of the transmission member 4. Of course, in other embodiments of the present invention, the first guide groove 11 may not be formed on the mounting member 1, but a slide rail or a guide hole formed along the Z-axis direction is provided, and the guide member 5 is matched with the slide rail or is inserted into the guide hole to realize the guiding function.

In the present embodiment, as shown in fig. 1-3, the transmission member 4 includes two guide rods 41 connected to each other, the two guide rods 41 are rotatably disposed on the mounting member 1 along the distribution direction of the two nozzle assemblies 3, and each guide rod 41 is connected to one nozzle assembly 3. When one nozzle assembly 3 moves along the Z-axis direction, the guide rod 41 connected with the nozzle assembly is driven to rotate, and the two guide rods 41 are connected to the installation part 1 in a rotating mode, so that the rotating guide rod 41 drives the other guide rod 41 to rotate, the other guide rod 41 moves along the opposite direction of the Z-axis direction relative to the installation part 1 when rotating and drives the other nozzle assembly 3 connected with the other guide rod to move along the opposite direction of the Z-axis direction, and therefore the transmission part 4 drives the other nozzle assembly 3 to move along the opposite direction of the Z-axis direction when one nozzle assembly 3 moves along the Z-axis direction, and when one nozzle assembly 3 enters a printing position, the other nozzle assembly 3 is far away from the printing position, and the phenomenon that the other nozzle assembly 3 interferes with the previous nozzle assembly 3 and a printing model is avoided.

Of course, in the utility model discloses in other embodiments, driving medium 4 also can set up to connecting rod transmission structure, and the concrete structure of driving medium 4 can be confirmed according to actual need, need not to carry out concrete limit.

In the present embodiment, as shown in fig. 2 and 3, the mount 1 is provided with two second guide grooves 12 in the Z-axis direction, and the guide rods 41 are fitted in the second guide grooves 12. The second guide groove 12 can reliably limit the guide rod 41, so that when the spray head assembly 3 drives the guide rod 41 to move, the movement direction of the guide rod 41 deviates from the set movement direction, and the phenomenon that the other guide rod 41 cannot be driven to move is avoided, and the reliability of movement transmission is ensured.

Specifically, in the present embodiment, as shown in fig. 2, the transmission member 4 further includes a connection plate 42, and the connection plate 42 is connected to the ends of the two guide rods 41 on the other side of the mounting member 1, so that when one guide rod 41 rotates, the other guide rod 41 is driven to rotate.

In the present embodiment, as shown in fig. 2 and 3, the second guide grooves 12 are arc-shaped, and the two second guide grooves 12 have the same center. The centre of a circle of second guide slot 12 is the same for second guide slot 12 can be symmetrically seted up on installed part 1, and then makes the motion of two shower nozzle subassemblies 3 be the mirror motion, is favorable to reducing the motion planning design degree of difficulty of two shower nozzle subassemblies 3, thereby improves user's use and experiences.

In this embodiment, as shown in fig. 4, the nozzle assembly 3 includes a fitting portion 31, a sliding groove 32 is formed on a side wall of the fitting portion 31, a rolling body 6 is disposed at an end of the transmission member 4, and the rolling body 6 is fitted in the sliding groove 32. Because the rolling element 6 cooperation is in spout 32, can drive the rolling element 6 motion when driving medium 4 moves to and drive cooperation portion 31 motion, in order to realize the relative installed part 1 motion of shower nozzle subassembly 3, in addition, when driving medium 4 rotates, because shower nozzle subassembly 3 can only follow Z axle direction motion, make the rolling element 6 along the length direction motion of spout 32 simultaneously, thereby ensure that shower nozzle subassembly 3 keeps the motion in Z axle direction, can realize better from this that driving medium 4 rotates under shower nozzle subassembly 3's drive.

Specifically, in the present embodiment, as shown in fig. 2, the head assembly 3 further includes a nozzle 33, and the nozzle 33 is disposed on the fitting portion 31.

In the present embodiment, the rolling elements 6 are also provided at the end of the guide 5, which facilitates the assembly of the dual nozzle structure, and thus, it is not necessary to provide another structure connected to the guide 5 at the engaging portion 31.

In the present embodiment, as shown in fig. 4, the inner wall of the sliding groove 32 is opened with a step surface 321, and the step surface 321 is used for limiting the movement of the rolling element 6 in the axial direction of the transmission 4. The stepped surface 321 can prevent the rolling element 6 from coming off the fitting portion 31, thereby ensuring a reliable fitting relationship between the rolling element 6 and the fitting portion 31.

Example 2

The utility model also discloses a 3D printer, this 3D printer include two nozzle structure. The dual nozzle structure described in embodiment 1 has the advantages described in embodiment 1.

In the description herein, references to the description of the term "this embodiment" or "other embodiments" mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (10)

1. A dual showerhead structure, comprising:

a mounting (1);

the driving pieces (2) are arranged at intervals, and one end of each driving piece (2) is fixedly connected with the mounting piece (1);

the sprayer comprises two sprayer assemblies (3) arranged at intervals, wherein the sprayer assemblies (3) are movably connected with the mounting piece (1);

driving medium (4), driving medium (4) rotationally establish on installed part (1), the both ends of driving medium (4) are respectively with two shower nozzle subassembly (3) are connected, one can drive when shower nozzle subassembly (3) move along Z axle positive direction the driving medium (4) move and make another shower nozzle subassembly (3) move along Z axle negative direction.

2. Dual spray head structure according to claim 1, wherein the drive member (2) comprises an electromagnet which, when energized, can drive the spray head assembly (3) in motion and is connected to the electromagnet.

3. Dual spray head structure according to claim 1, wherein the dual spray head structure further comprises a guide (5), the spray head assembly (3) being movably connected to the mounting member (1) by means of the guide (5).

4. The double-nozzle structure according to claim 3, wherein the mounting member (1) is provided with two first guide grooves (11) arranged along the Z-axis direction, and the guide member (5) is arranged in the first guide grooves (11) in a penetrating manner.

5. The dual nozzle structure of claim 3, wherein the transmission member (4) comprises two guide rods (41) connected to each other, the two guide rods (41) are rotatably disposed on the mounting member (1) along the distribution direction of the two nozzle assemblies (3), and the end of each guide rod (41) is connected to one nozzle assembly (3).

6. The dual nozzle structure according to claim 5, characterized in that the mounting member (1) is provided with two second guide grooves (12) in the Z-axis direction, and the guide rods (41) are fitted in the second guide grooves (12).

7. Double sprinkler structure according to claim 6, characterised in that the second guide grooves (12) are arc-shaped and that both second guide grooves (12) have the same centre.

8. Double nozzle structure according to claim 1, wherein the nozzle assembly (3) comprises an engagement portion (31), a slide groove (32) is formed in a side wall of the engagement portion (31), a rolling body (6) is provided at an end of the transmission member (4), and the rolling body (6) is engaged in the slide groove (32).

9. The dual nozzle structure of claim 8, wherein the inner wall of the sliding groove (32) is provided with a step surface (321), and the step surface (321) is used for limiting the movement of the rolling element (6) along the axial direction of the transmission member (4).

10. A 3D printer comprising the dual head structure of any one of claims 1-9.

Images