CN213500885U - Three-dimensional printing auxiliary device and three-dimensional printing system - Google Patents
Three-dimensional printing auxiliary device and three-dimensional printing system Download PDFInfo
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- CN213500885U CN213500885U CN202022051710.0U CN202022051710U CN213500885U CN 213500885 U CN213500885 U CN 213500885U CN 202022051710 U CN202022051710 U CN 202022051710U CN 213500885 U CN213500885 U CN 213500885U
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- dimensional printing
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Abstract
The application relates to the technical field of three-dimensional printing, in particular to a three-dimensional printing auxiliary device and a three-dimensional printing system. A three-dimensional printing auxiliary device is used for a three-dimensional printing device, and comprises: an annular track; the annular track is connected with the driving assembly; the fixing assembly is used for installing the three-dimensional printing equipment and is arranged on the annular track; wherein, drive assembly can drive the circular orbit and rotate to drive fixed subassembly and do circular motion. When the driving assembly drives the annular track to rotate, the annular track drives the three-dimensional printing equipment to do circular motion. When the three-dimensional printing equipment does circular motion on the annular track, an outward centrifugal force can be generated, gravity compensation is carried out on the three-dimensional printing equipment working in the microgravity field through the centrifugal force, so that the printing material is deposited on the printing platform, and the problems that the printing fault can be caused when the three-dimensional printing equipment works in the microgravity field, and the connection between every two printing layers is not tight are solved.
Description
Technical Field
The application relates to the technical field of three-dimensional printing, in particular to a three-dimensional printing auxiliary device and a three-dimensional printing system.
Background
In the process of constructing each printing layer, the conventional three-dimensional printing equipment deposits consumables by using the gravity of the consumables and simultaneously attaches the consumables to the upper layer, and then carries out the step of solidification or powder melting solidification. However, such a three-dimensional printing apparatus is not suitable for printing in a microgravity field (a space in which an object is subjected to gravity in a weightless state), such as an experimental environment in a space environment or the like. The microgravity field can cause printing faults, and consumable materials can be difficult to be continuously and accurately paved on a plane; if the powder consumable is used, the liquid drops are agglomerated and agglomerate in the process of melting and resolidifying the powder consumable, so that the molding is influenced.
SUMMERY OF THE UTILITY MODEL
The application provides a three-dimensional printing auxiliary device and a three-dimensional printing system, and solves the problems that a printing fault is caused by the fact that equipment works in a microgravity field and the connection between printing layers is not tight.
The embodiment of the application provides a three-dimensional printing auxiliary device for three-dimensional printing equipment, three-dimensional printing auxiliary device includes:
an annular track;
the annular track is connected with the driving assembly;
the fixing assembly is used for installing the three-dimensional printing equipment and is installed on the annular rail;
the driving assembly can drive the annular track to rotate so as to drive the fixing assembly to do circular motion.
In one possible design, the drive assembly comprises a drive wheel, the endless track being provided with a first surface;
the driving wheel can rotate relative to the first surface, and in the rotating process of the driving wheel, the driving wheel can drive the annular track to rotate.
In one possible design, the drive wheel is provided with a first external toothing, the first surface being provided with a second external toothing;
the first outer teeth are connected with the second outer teeth so as to drive the annular track to rotate.
In one possible design, the drive assembly further comprises a first auxiliary wheel and a second auxiliary wheel, the endless track is provided with a second surface and a third surface, the second surface is arranged opposite to the third surface;
the first auxiliary wheel is rotatable relative to the second surface and the second auxiliary wheel is rotatable relative to the third surface;
the first auxiliary wheel, the second auxiliary wheel and the driving wheel enclose to form an accommodating space, and at least part of the annular track is arranged in the accommodating space.
In one possible design, the second surface is provided with a first groove, and the third surface is provided with a second groove;
at least part of the first auxiliary wheel is arranged in the first groove and can rotate in the first groove, and at least part of the second auxiliary wheel is arranged in the second groove and can rotate in the second groove.
In a possible design, the first auxiliary wheel and the second auxiliary wheel are provided with third external teeth, and the second surface and the third surface are provided with fourth external teeth cooperating with the third external teeth.
In one possible design, the annular rail is further provided with a fourth surface, and the fixing component is mounted on the fourth surface;
the first surface is disposed opposite the fourth surface.
In one possible design, the fixing assembly includes a base fixed to the endless track, and a fixing member for connecting the three-dimensional printing apparatus and the base.
In one possible design, the base is of a conical structure, and the cross-sectional area of the base is gradually reduced along the direction close to the annular rail.
In one possible design, the drive assembly is provided in plurality and/or the fixing assembly is provided in plurality, and the plurality of drive assemblies and/or the fixing assembly are evenly distributed on the circular track.
A three-dimensional printing system, the three-dimensional printing system comprising:
a three-dimensional printing device;
the three-dimensional printing auxiliary device is the three-dimensional printing auxiliary device;
the three-dimensional printing equipment is arranged on the three-dimensional printing auxiliary device.
The application provides a three-dimensional printing auxiliary device and three-dimensional printing system, this three-dimensional printing auxiliary device include the circular orbit, drive assembly and fixed subassembly, and fixed subassembly is used for being fixed in the circular orbit with three-dimensional printing equipment, and when drive assembly drive circular orbit rotated, the circular orbit drove three-dimensional printing equipment and is circular motion. When the three-dimensional printing equipment does circular motion on the annular track, an outward centrifugal force can be generated, gravity compensation is carried out on the three-dimensional printing equipment working in the microgravity field through the centrifugal force, so that the printing material is deposited on the printing platform, and the problems that the printing fault can be caused when the three-dimensional printing equipment works in the microgravity field, and the connection between every two printing layers is not tight are solved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
Fig. 1 is a schematic structural diagram of a three-dimensional printing apparatus provided in the present application;
fig. 2 is a schematic structural diagram of a driving device provided in the present application;
fig. 3 is a schematic structural diagram of a three-dimensional printing apparatus according to a first embodiment;
fig. 4 is a schematic structural diagram of a three-dimensional printing apparatus according to a second embodiment;
fig. 5 is a schematic structural diagram of a three-dimensional printing apparatus according to a third embodiment;
fig. 6 is a schematic structural diagram of a driving device according to a third embodiment;
fig. 7 is a schematic structural diagram of a three-dimensional printing apparatus according to a fourth embodiment;
fig. 8 is a schematic structural diagram of a three-dimensional printing apparatus according to a fourth embodiment;
fig. 9 is a schematic structural diagram of a three-dimensional printing system according to a fifth embodiment.
Reference numerals:
1-a three-dimensional printing auxiliary device;
11-an endless track;
111-second external teeth;
112-a first groove;
113-a second groove;
12-a drive assembly;
121-a drive wheel;
121 a-first outer tooth;
122-a first auxiliary wheel;
123-a second auxiliary wheel;
124-a mounting seat;
13-a fixed component;
131-a base;
132-a fixture;
2-three dimensional printing device.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Detailed Description
For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
The embodiment of the application provides a three-dimensional printing system, which comprises a three-dimensional printing device 2, wherein the three-dimensional printing device 2 realizes layer-by-layer printing through printing control data, the three-dimensional printing device 2 utilizes the gravity of printing materials to deposit the printing materials and attach the printing materials to the upper layer in the process of constructing each printing layer, and the thin layers are stacked to finally form a target object. However, when the three-dimensional printing device 2 works in the microgravity field, the printing fault is caused by the influence of the microgravity field, and the problem of untight connection between each printing layer occurs. For this reason, the three-dimensional printing system of the present embodiment further includes a three-dimensional printing auxiliary device 1, and the three-dimensional printing apparatus 2 is installed in the three-dimensional printing auxiliary device 1 to solve the problem when the three-dimensional printing apparatus 2 is in operation in a microgravity field.
As shown in fig. 1 to 9, the three-dimensional printing assisting apparatus 1 includes an endless track 11, a driving assembly 12, and a fixing assembly 13, the endless track 11 is connected to the driving assembly 12, the fixing assembly 13 is used for mounting the three-dimensional printing device 2, and the fixing assembly 13 is mounted on the endless track 11; the driving assembly 12 can drive the circular track 11 to rotate so as to drive the fixing assembly 13 to make a circular motion.
In this embodiment, as shown in fig. 9, the three-dimensional printing device 2 is mounted on the circular track 11 through the fixing component 13, and when the driving component 12 drives the circular track 11 to rotate, the circular track 11 drives the three-dimensional printing device 2 to make a circular motion. When the three-dimensional printing device 2 does circular motion on the annular track 11, an outward centrifugal force can be generated, gravity compensation is performed on the three-dimensional printing device 2 working in a microgravity field through the centrifugal force, so that a printing material is deposited on a printing platform, and the problems that the three-dimensional printing device 2 can cause printing faults and connection between printing layers is not tight when working in the microgravity field are solved.
Wherein, three-dimensional printing apparatus 2 includes and beats printer head and print platform, beats printer head setting towards print platform to spout the printing material to print platform, this print platform set up in the direction that the centrifugal force that three-dimensional printing apparatus 2 produced extends. When the print head rotates along with the circular track 11, the printing material ejected by the print head can be deposited toward the printing platform under the action of centrifugal force.
As shown in fig. 1, the endless track 11 has a first surface, a second surface, a third surface, and a fourth surface. The first surface and the fourth surface are arranged oppositely, and the second surface and the third surface are arranged oppositely. If the first surface is an outer surface, the fourth surface is an inner surface, and the second surface and the third surface are opposite upper and lower surfaces; if the first surface is a lower surface, the fourth surface is an upper surface, and the second and third surfaces are opposing outer and inner surfaces. As shown in fig. 3 (the endless track 11 is in an upright state in the drawing), the fixing assembly 13 is mounted on a fourth surface (inner surface) of the endless track 11, that is, the three-dimensional printing apparatus 2 is mounted on the fourth surface (inner surface) of the endless track 11, and the driving assembly 12 is mounted on the first surface (outer surface), the second surface (upper surface), and the third surface (lower surface) of the endless track 11. As shown in fig. 4 (the circular rail 11 is in a horizontal state in the drawing), the fixing assembly 13 is mounted on the fourth surface (upper surface) of the circular rail 11, that is, the three-dimensional printing apparatus 2 is mounted on the fourth surface (upper surface) of the circular rail 11, and the driving assembly 12 is mounted on the first surface (lower surface), the second surface (inner surface) and the third surface (outer surface) of the circular rail 11.
As shown in fig. 2, in one possible design, the driving assembly 12 includes a mounting seat 124 and a driving wheel 121, the driving wheel 121 is mounted on the mounting seat 124 and can rotate relative to the mounting seat 124, the driving wheel 121 is disposed on a first surface and can rotate relative to the first surface, and the driving wheel 121 can drive the circular track 11 to rotate during the rotation process. In this embodiment, the driving wheel 121 is disposed on the first surface disposed opposite to the fourth surface to reduce the risk of collision with the driving wheel 121 when the fixing assembly 13 and the three-dimensional printing apparatus 2 make circular motion along the endless track 11. The driving wheel 121 is in contact with the first surface to transmit power to rotate the endless track 11.
It is understood that the mounting seat 124 may be a component for connecting and fixing the whole three-dimensional printing assisting apparatus 1 and the object in the space. Alternatively, the three-dimensional printing system may further include a support assembly for supporting the three-dimensional printing assisting apparatus 1, and the endless track 11 in the three-dimensional printing assisting apparatus 1 is capable of rotating relative to the support assembly.
Further, as shown in fig. 2, the driving assembly 12 further includes a first auxiliary wheel 122 and a second auxiliary wheel 123, and the first auxiliary wheel 122 and the second auxiliary wheel 123 are mounted on the mounting base 124 and can rotate relative to the mounting base 124. The first auxiliary wheel 122 is arranged on the second surface and can rotate relative to the second surface, and the second auxiliary wheel 123 is arranged on the third surface and can rotate relative to the third surface; the first auxiliary wheel 122, the second auxiliary wheel 123 and the driving wheel 121 enclose a receiving space, and at least a part of the endless track 11 is disposed in the receiving space. In this embodiment, the second surface and the third surface are disposed opposite to each other, the first auxiliary wheel 122 contacts with the second surface to transmit power, the second auxiliary wheel 123 contacts with the third surface to transmit power, and the first auxiliary wheel 122 and the second auxiliary wheel 123 further drive the circular track 11 to rotate. In addition, the driving wheel 121, the first auxiliary wheel 122 and the second auxiliary wheel 123 surround each other to form an accommodating space, at least part of the annular rail 11 is always located in the accommodating space, so that three surfaces of the annular rail 11 are always in a contact state with the driving wheel 121, the first auxiliary wheel 122 and the second auxiliary wheel 123, and a motion track of the annular rail 11 is limited.
As shown in fig. 3 and 4, in order to better limit the circular track 11, the second surface may be provided with a first groove 112, and the third surface is provided with a second groove 113; at least a portion of the first auxiliary wheel 122 is disposed in the first groove 112 and is rotatable in the first groove 112, and at least a portion of the second auxiliary wheel 123 is disposed in the second groove 113 and is rotatable in the second groove 113. In this embodiment, the first auxiliary wheel 122 is disposed in the first groove 112, the first auxiliary wheel 122 rotates in the first groove 112, and the rotation position of the first auxiliary wheel 122 on the second surface is limited by the first groove 112, so that the rotation track of the circular track 11 is limited. The second auxiliary wheel 123 is disposed in the second groove 113, the second auxiliary wheel 123 rotates in the second groove 113, and the second auxiliary wheel 123 is limited at a third surface rotation position through the second groove 113, so that the motion track of the circular track 11 is limited.
The driving assembly 12 further includes a driver (which may be a motor, not shown in the drawings), the driver is connected to the driving wheel 121 to drive the driving wheel 121 to rotate, and the driver can control the rotation speed of the driving wheel 121 to control the rotation speed of the circular track 11, so as to control the magnitude of the centrifugal force generated by the three-dimensional printing device 2 when the circular track 11 performs circular motion, thereby better controlling the printing effect of the three-dimensional printing device 2.
The driver can also be connected to the first auxiliary wheel 122 and the second auxiliary wheel 123 to drive the first auxiliary wheel 122 and the second auxiliary wheel 123 to rotate, so as to drive the circular track 11 to rotate. Alternatively, the driver may be not connected to the first auxiliary wheel 122 and the second auxiliary wheel 123, and the first auxiliary wheel 122 and the second auxiliary wheel 123 may be rotated by being in contact with the rotating endless track 11.
As shown in fig. 5 and 6, in one possible design, the driving wheel 121 is provided with a first external toothing 121a, the first surface being provided with a second external toothing 111; the first outer teeth 121a are connected with the second outer teeth 111 to rotate the circular track 11. In this embodiment, the first outer teeth 121a of the driving wheel 121 are engaged with the second outer teeth 111 of the circular track 11 to transmit power, the engagement transmission can be used in a situation with higher power, and the driving wheel 121 drives the circular track 11 to rotate through the engagement transmission, so that the accuracy of the transmission ratio is improved.
The first auxiliary wheel 122 and the second auxiliary wheel 123 may also be provided with third external teeth, and the second surface and the third surface may also be provided with fourth external teeth matched with the third external teeth. The third outer teeth of the first auxiliary wheel 122 are engaged with the fourth outer teeth of the second surface to transmit the power of the rotation of the endless track 11, and the third outer teeth of the second auxiliary wheel 123 are engaged with the fourth outer teeth of the third surface to transmit the power of the rotation of the endless track 11. Of course, when the first auxiliary gear 122 and the second auxiliary gear 123 are provided with third external teeth, the first external teeth 121a may be provided to the drive wheel 121, or the first external teeth 121a may not be provided to the drive wheel 121, and when the first external teeth 121a are provided to the first drive wheel 121, the third external teeth may be provided to the first auxiliary gear 122 and the second auxiliary gear 123, or the third external teeth may not be provided to the first auxiliary gear 122 and the second auxiliary gear 123.
In one possible design, the fixing assembly 13 includes a base 131 and a fixing member 132, the base 131 is fixed to the circular rail 11, and the fixing member 132 is disposed on the base 131 for connecting the three-dimensional printing apparatus 2 and the base 131. Among them, the fixing member 132 may be provided in plural, and the plural fixing members 132 may be uniformly provided on the outer edge of the base 131, thereby better fixing the three-dimensional printing apparatus 2.
Further, the base 131 has a tapered structure, and the cross-sectional area of the base 131 is gradually reduced in a direction approaching the circular rail 11. In this embodiment, the driving assembly 12 is disposed on a surface of the circular rail 11 disposed away from the three-dimensional printing apparatus 2, so as to prevent the driving assembly 12 from colliding with or rubbing against the three-dimensional printing apparatus 2 when the circular rail 11 rotates. The cross-sectional area of the base 131 decreases in a direction approaching the endless track 11 to reduce the risk of the partial structure of the drive assembly 12 extending towards the fourth surface, coming into contact with the base 131.
As shown in fig. 7 to 9, in a possible design, on the basis of the above embodiment, in order to make the rotation of the circular rail 11 more stable, and in order to make it possible to operate a plurality of three-dimensional printing apparatuses 2 simultaneously to improve the working efficiency, the driving assembly 12 is provided in plurality, and/or the fixing assembly 13 is provided in plurality, and the plurality of driving assemblies 12 and/or the fixing assemblies 13 are uniformly distributed on the circular rail 11. Specifically, the driving assembly 12 may be provided in plurality, and the plurality of driving assemblies 12 are uniformly distributed on the circular track 11, or the fixing assembly 13 may be provided in plurality, and the plurality of fixing assemblies 13 are uniformly distributed on the circular track 11, or both the fixing assembly 13 and the driving assembly 12 may be provided in plurality, and the plurality of fixing assemblies 13 and the driving assembly 12 are uniformly distributed on the circular track 11.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (11)
1. A three-dimensional printing assistance device for a three-dimensional printing apparatus (2), characterized in that the three-dimensional printing assistance device (1) comprises:
an endless track (11);
a drive assembly (12), the endless track (11) being connected to the drive assembly (12);
a fixing assembly (13) for mounting the three-dimensional printing device (2), the fixing assembly (13) being mounted to the endless track (11);
the driving component (12) can drive the annular track (11) to rotate so as to drive the fixing component (13) to do circular motion.
2. The three-dimensional printing assistance device according to claim 1, characterized in that said driving assembly (12) comprises a driving wheel (121), said endless track (11) being provided with a first surface;
the driving wheel (121) can rotate relative to the first surface, and in the rotating process of the driving wheel (121), the annular track (11) can be driven to rotate.
3. The three-dimensional printing assistance device according to claim 2, characterized in that said driving wheel (121) is provided with a first external toothing (121a), said first surface being provided with a second external toothing (111);
the first external tooth (121a) is connected with the second external tooth (111) to drive the annular track (11) to rotate.
4. The three-dimensional printing assistance device according to claim 2, characterized in that said driving assembly (12) further comprises a first assistance wheel (122) and a second assistance wheel (123), said endless track (11) being provided with a second surface and a third surface, said second surface being arranged opposite said third surface;
said first auxiliary wheel (122) being rotatable with respect to said second surface, said second auxiliary wheel (123) being rotatable with respect to said third surface;
the first auxiliary wheel (122), the second auxiliary wheel (123) and the driving wheel (121) are surrounded to form an accommodating space, and at least part of the annular track (11) is arranged in the accommodating space.
5. The three-dimensional printing assistance device according to claim 4, wherein said second surface is provided with a first groove (112) and said third surface is provided with a second groove (113);
at least a part of the first auxiliary wheel (122) is arranged in the first groove (112) and can rotate in the first groove (112), and at least a part of the second auxiliary wheel (123) is arranged in the second groove (113) and can rotate in the second groove (113).
6. The three-dimensional printing assistance device according to claim 4, characterized in that said first assistance wheel (122) and said second assistance wheel (123) are provided with third external teeth, said second surface and said third surface being provided with fourth external teeth cooperating with said third external teeth.
7. The three-dimensional printing aid according to claim 2, characterized in that the endless track (11) is further provided with a fourth surface, the fixing assembly (13) being mounted to said fourth surface;
the first surface is disposed opposite the fourth surface.
8. The three-dimensional printing auxiliary device according to any one of claims 1-7, wherein the fixing assembly (13) comprises a base (131) and a fixing member (132), the base (131) is fixed to the endless track (11), and the fixing member (132) is used for connecting the three-dimensional printing apparatus (2) and the base (131).
9. The three-dimensional printing auxiliary device according to claim 8, wherein the base (131) is a conical structure, and the cross-sectional area of the base (131) is gradually reduced along the direction close to the annular rail (11).
10. The three-dimensional printing auxiliary device according to any one of claims 1-7, wherein the driving assembly (12) is provided in plurality and/or the fixing assembly (13) is provided in plurality, and the plurality of driving assemblies (12) and/or the fixing assembly (13) are uniformly distributed on the annular rail (11).
11. A three-dimensional printing system, comprising:
a three-dimensional printing device (2);
a three-dimensional printing assisting device (1), wherein the three-dimensional printing assisting device (1) is the three-dimensional printing assisting device (1) according to any one of claims 1-10;
the three-dimensional printing equipment (2) is arranged on the three-dimensional printing auxiliary device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022051710.0U CN213500885U (en) | 2020-09-17 | 2020-09-17 | Three-dimensional printing auxiliary device and three-dimensional printing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022051710.0U CN213500885U (en) | 2020-09-17 | 2020-09-17 | Three-dimensional printing auxiliary device and three-dimensional printing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213500885U true CN213500885U (en) | 2021-06-22 |
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ID=76447802
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022051710.0U Active CN213500885U (en) | 2020-09-17 | 2020-09-17 | Three-dimensional printing auxiliary device and three-dimensional printing system |
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|---|---|
| CN (1) | CN213500885U (en) |
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- 2020-09-17 CN CN202022051710.0U patent/CN213500885U/en active Active
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