CN213648685U

CN213648685U - Triangular prism shape frame construction and 3D printer thereof

Info

Publication number: CN213648685U
Application number: CN202022106689.XU
Authority: CN
Inventors: 刘辉林; 唐京科; 陈春; 敖丹军; 严罗林
Original assignee: Shenzhen Chuangxiang 3D Technology Co Ltd
Current assignee: Shenzhen Chuangxiang 3D Technology Co Ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-07-09
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a triangular prism-shaped frame structure and a 3D printer thereof, wherein the triangular prism-shaped frame structure comprises a base structure, a first inclined rod, a second inclined rod, a third inclined rod and a fourth inclined rod which are arranged on the base structure; the first tilting rod and the second tilting rod are positioned at the left end of the base structure, the third tilting rod and the fourth tilting rod are positioned at the right end of the base structure, the first tilting rod is connected with the third tilting rod, and the second tilting rod is connected with the fourth tilting rod; a fixed rod is arranged at the joint of the first inclined rod and the third inclined rod, and the other end of the fixed rod is fixed at the joint of the second inclined rod and the fourth inclined rod; the utility model provides a triangular prism shape frame construction can apply to the 3D printer, adopts triangular prism shape frame construction stability good, and intensity is high, can make the stable work of 3D printer, guarantees to print the quality.

Description

Triangular prism shape frame construction and 3D printer thereof

Technical Field

The utility model relates to a 3D prints technical field, especially relates to a triangular prism shape frame construction and 3D printer thereof.

Background

The 3D printing technology, also known as additive manufacturing technology or rapid prototyping technology, is a technology for constructing an entity by using a layer-by-layer printing method using a sticky material, such as metal or plastic powder, plastic wire, photosensitive resin, etc., based on a 3D digital model. The method comprises the basic steps of using a computer to construct a 3D model, slicing the 3D model to divide the 3D model into hundreds of thin layers, and finally using a 3D printer to print the thin layers layer by layer until the thin layers are overlapped to form an entity. Compared to conventional manufacturing techniques, 3D printing techniques have several significant advantages: no mechanical processing or any die is needed, so that the manufacturing time and the material cost are greatly reduced; due to the characteristics of layer-by-layer processing and cumulative molding, the manufacturing is hardly limited by the structural complexity; the model design is very simple and can be changed at any time according to the personalized requirements of the user. However, the current 3D printing apparatus has a problem of being easily interfered by external factors, and the structure needs to be adjusted to increase the stability of the printing apparatus.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

Disclosure of Invention

In order to meet the requirements, the utility model aims to provide a triangular prism shape frame construction and 3D printer thereof.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a triangular prism-shaped frame structure comprises a base structure, a first inclined rod, a second inclined rod, a third inclined rod and a fourth inclined rod, wherein the first inclined rod, the second inclined rod, the third inclined rod and the fourth inclined rod are arranged on the base structure; the first tilting rod and the second tilting rod are positioned at the left end of the base structure, the third tilting rod and the fourth tilting rod are positioned at the right end of the base structure, the first tilting rod is connected with the third tilting rod, and the second tilting rod is connected with the fourth tilting rod;

a fixed rod is arranged at the joint of the first inclined rod and the third inclined rod, and the other end of the fixed rod is fixed at the joint of the second inclined rod and the fourth inclined rod;

the third inclined rod and the fourth inclined rod are connected with a transverse moving rod, the moving rod is provided with a first pulley, the third inclined rod and the fourth inclined rod are both provided with a sliding groove used for the first pulley to slide, and the first pulley is installed in the sliding groove.

In a possible embodiment, the moving rod is provided with a nozzle assembly for the printer, and the nozzle assembly is connected with the moving rod in a sliding mode.

In a possible embodiment, the mobile rod is provided with a sliding groove for sliding the spray head assembly.

In a possible embodiment, the spray head assembly is provided with a second pulley, which is mounted to a chute.

In a possible embodiment, the first tilting bar is mounted with an angle bracket at the location where it is connected to the base structure.

In a possible embodiment, the second tilting bar is mounted with an angle bracket at the location where it is connected to the base structure.

In a possible embodiment, the third tilting bar is provided with a fastening element at the location where it is connected to the base structure.

In a possible embodiment, the position where said fourth tilting bar is connected to the base structure is provided with a fastening element.

In a possible embodiment, the first tilting bar is parallel to the second tilting bar, and the first tilting bar is at an angle of 10-80 degrees to the base structure.

In a possible embodiment, the first tilting bar is angled at 45 degrees with respect to the base structure.

On the other hand, the application also provides a 3D printer, which comprises a 3D printer main body and a triangular prism-shaped frame structure connected with the 3D printer main body; the triangular prism-shaped frame structure is the triangular prism-shaped frame structure described in any one of the above.

In a possible embodiment, the lower end of the triangular prism-shaped frame structure is connected with a belt transmission mechanism, and the spray head assembly faces the belt transmission mechanism.

In a possible implementation manner, the 3D printer main body is provided with a power supply main board assembly, and the power supply main board assembly is electrically connected with the belt transmission mechanism and the nozzle moving assembly.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model provides a triangular prism shape frame construction can apply to the 3D printer, adopts triangular prism shape frame construction stability good, and intensity is high, can make the stable work of 3D printer, guarantees to print the quality.

The invention is further described with reference to the accompanying drawings and specific embodiments.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a 3D printer according to an embodiment of the present disclosure;

fig. 2 is a schematic rear view of a structure of a 3D printer according to an embodiment of the present disclosure;

fig. 3 is a schematic right view of a structure of a 3D printer according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of an embodiment of a belt transmission mechanism of an embodiment of a 3D printer according to the present disclosure;

FIG. 5 is another schematic axial view of an embodiment of a belt drive mechanism (hidden part of the mechanism base frame) of the embodiment of the 3D printer;

fig. 6 is another schematic axial view of an embodiment of a belt transmission mechanism (a hidden part of a transmission belt) of the embodiment of the 3D printer according to the present disclosure.

Reference numerals

100 triangular prism shaped frame 101 base structure

102 first tilting lever 103 second tilting lever

104 third tilting bar 105 fourth tilting bar

106 fixed rod 107 corner connector

108 fastener 200 spray head moving assembly

201 first pulley 202 chute

203 sliding channel 300 showerhead assembly

301 second pulley 400 feed assembly

500 display assembly 600 work platform

700 drive assembly 701 shim

702 mechanism base frame 703 driving belt

704 drive motor 705 drive pulley

706 synchronous belt 707 rubber covered roller

708 moving roller 709 driven shaft

710 adjusting installation block 711 heating hot bed board

712 adjustment of the baseplate 713 mounting blocks

714 adjusting knob 800 tilt movement assembly

801 first belt transmission mechanism A driving wheel assembly

B driven wheel assembly and C heating bed assembly

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 those skilled in the art without creative efforts 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", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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.

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.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; 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 according to specific situations by 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.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 should not be understood to 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. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Referring to fig. 1 to 6, fig. 1 is a schematic view of a 3D printer proposed in the present application, and fig. 2 is a schematic view of a rear view of a 3D printer proposed in the present application; fig. 3 is a schematic view of a right side of a 3D printer structure, fig. 4 is a schematic view of a specific embodiment of a belt transmission mechanism of the 3D printer, fig. 5 is a schematic view of another axis of a specific embodiment of a belt transmission mechanism (a hidden part of a mechanism base frame) of the 3D printer, and fig. 6 is a schematic view of another axis of a specific embodiment of a belt transmission mechanism (a hidden part of a transmission belt) of the 3D printer.

The 3D printer comprises a triangular prism-shaped frame 100, a nozzle moving assembly 200 installed on the triangular prism-shaped frame 100, a nozzle assembly 300 installed on the nozzle moving assembly 200, a feeding assembly 400 installed on the triangular prism-shaped frame 100, a material breakage detection assembly (not shown in the figure, which can be integrated to the nozzle assembly 300), a display assembly 500 and a power supply main board assembly (not shown in the figure, which can adopt a controller in the prior art); the power supply main board assembly is electrically connected with the spray head moving assembly 200, the spray head assembly 300, the feeding assembly 400, the material breakage detection assembly and the display assembly 500; specifically, the supply assembly 400 is connected to the nozzle assembly 300, the supply assembly 400 is used for supplying printing materials to the nozzle assembly 300, the nozzle assembly 300 includes a 3D printing nozzle, and the supply assembly 400 includes an extruding assembly and a rack structure, wherein the rack structure can be configured to be a cylindrical roll shape.

In one embodiment, a horizontal working platform 600 is connected to the lower end of the triangular prism-shaped frame 100, a transmission assembly 700 is installed on the working platform 600, and a gasket 701 for 3D printing is installed on the transmission assembly 700, wherein the gasket 701 may be made of glass. The driving assembly 700 is located below the spray head assembly 300, and the moving direction of the spray head moving assembly 200 and the driving assembly form an included angle of 10-80 degrees, preferably 45 degrees.

In one embodiment, the driving assembly 700 is a belt driving mechanism, and the driving assembly 700 is mounted to the work platform 600 by a fastener.

In one embodiment, in order to enable the head assembly 300 to be moved in position in a spatial rectangular coordinate system with respect to the driving assembly 700, thereby implementing 3D printing on the pad 701, the head moving assembly 200 is installed at one end of the triangular prism frame 100, and the output direction of the head assembly 300 is directed toward the pad 701, wherein the head assembly 300 may include a rotatable head, thereby implementing printing at a plurality of angles. The nozzle assembly can be flexibly moved to be capable of facing the printing platform of the transmission assembly and moving in an XYZ space coordinate system, printing efficiency can be improved, and the accuracy of a printing process is ensured by the aid of the feeding assembly and the material breakage detection assembly.

In one embodiment, the head moving assembly 200 is connected with a tilting moving assembly 800, the tilting moving assembly 800 includes a first belt transmission mechanism 801 installed on the triangular prism-shaped frame 100, and the transmission direction of the first belt transmission mechanism 801 is consistent with the end face direction of the triangular prism-shaped frame 100. The first transmission mechanism 801 can drive the spray head moving assembly 200 to move in the prism direction of the triangular prism-shaped frame 100.

Since the printing needs to be matched with the transverse movement, the nozzle moving assembly 200 includes a second belt transmission mechanism for driving the nozzle assembly 300 to move transversely, a transmission belt of the second belt transmission mechanism is fixedly connected with the nozzle assembly 300, and the nozzle moving assembly 200 is provided with a sliding groove 202. The spray head assembly 300 is provided with a second pulley 301, and the second pulley 301 is arranged on the sliding groove 202, so that the transverse movement is realized.

In order to control the above components, the power supply main board assembly is electrically connected to the first belt transmission mechanism 801 and the second belt transmission mechanism, and the power supply main board assembly can control the head moving assembly 200 and the head assembly 300 to work together according to the received print data.

The triangular prism-shaped frame 100 of the present application, as an operation carrier of the 3D printer, will now be described in detail with respect to its structure: the triangular prism frame 100 includes a base structure 101, a first tilt lever 102, a second tilt lever 103, a third tilt lever 104, and a fourth tilt lever 105 mounted to the base structure 101; the first tilting lever 102 and the second tilting lever 103 are located at the left end of the base structure 100, the third tilting lever 104 and the fourth tilting lever 105 are located at the right end of the base structure 101, the first tilting lever 102 is connected with the third tilting lever 104, and the second tilting lever 103 is connected with the fourth tilting lever 105;

a fixed rod 106 is arranged at the position where the first inclined rod 102 is connected with the third inclined rod 104, and the other end of the fixed rod 106 is fixed at the position where the second inclined rod 103 is connected with the fourth inclined rod 105;

the third inclined rod 104 and the fourth inclined rod 105 are connected with a transverse moving rod (namely, a structural base of the spray head moving assembly 200), the moving rod is provided with a first pulley 201, the third inclined rod 104 and the fourth inclined rod 105 are both provided with a sliding groove 203 for the sliding of the first pulley 201, the first pulley 201 is installed in the sliding groove 203, the spray head assembly 300 is installed on the moving rod, and the spray head assembly 300 is connected with the moving rod in a sliding manner, so that the spray head assembly 300 is driven to move.

In one embodiment, in order to fix the tilting rod to the base structure, the first tilting rod 102 and the second tilting rod 103 are mounted with an angle bracket 107 at the position where they are connected to the base structure 101. The third inclined rod 104 and the fourth inclined rod 105 are provided with fasteners 108 at the positions connected to the base structure 101, wherein the fasteners may be screws, nuts, and fixing blocks provided with threaded holes.

In one embodiment, the first tilting rod 102 is parallel to the second tilting rod 103, and the angle between the first tilting rod 102 and the base structure 101 is 10-80 degrees, preferably 45 degrees, and other angles can be used.

On the other hand, since the 3D printer of the present application needs to cooperate with the transmission assembly 700 (i.e. a belt transmission mechanism later) to work, so as to achieve a better printing effect, a specific structure of the belt transmission mechanism is described, where the belt transmission mechanism includes a mechanism base frame 702, a driving wheel assembly a mounted on the mechanism base frame 702, a transmission belt 703 mounted on the driving wheel assembly a, a driven wheel assembly B connected with the driving wheel assembly through the transmission belt 703, and a hot bed assembly C mounted on the transmission belt 703; wherein, the hot bed component C is also provided with a heater for realizing heating.

The driving wheel assembly A comprises a driving motor 704, a driving belt wheel 705 connected with the output end of the driving motor 704, a synchronous belt 706 arranged on the driving belt wheel 705, and an rubber covered roller 707 connected with the driving belt 703; the driven wheel assembly B comprises a driven roller cylinder 708, a driven shaft 709 mounted on the driven roller cylinder 708, and an adjusting and mounting block 710 connected with the driven shaft 709.

The hot bed component C comprises a heating hot bed plate 711 arranged below the transmission belt 703, the heating hot bed plate 711 is connected with an adjusting bottom plate 712, and the heating hot bed plate 711 is in contact with the transmission belt 703, so that the lifting of the transmission belt 703 can be realized. The adjusting bottom plate 712 is mounted on the mechanism base frame 702 through an adjusting rod, a locking nut and an adjusting knob 714, and a user can adjust the height of the driving belt 703 through the adjusting knob 714 to achieve the purpose of printing and leveling. In some embodiments, the adjusting knob 714 can lift the adjusting rod, so as to drive the heating bed plate 711 to lift up and down, thereby achieving the adjusting function.

In one embodiment, the driving motor 704 is a speed-reducing stepping motor, the rubber covered roller 707 is mounted on the mechanism base frame 702 through a mounting block 713, in order to enable the rubber covered roller 707 to stably rotate, the mounting block 713 is provided with a mounting groove for mounting a bearing, and the rubber covered roller 707 is mounted on the mounting block 713 through a bearing. The rubber covered roller 707 is used for driving the driven shaft to rotate, so that the driving force of the driving motor 704 needs to be obtained, and the rubber covered roller 707 is in transmission connection with the driving belt wheel 705 through a synchronous belt 706. Corresponding to the mounting block 713, the adjusting mounting block 710 is mounted to the mechanism base frame 702 through a fastener, and the driven shaft is mounted to the adjusting mounting block 710 through a bearing, so that both ends of the belt transmission mechanism are fixed, and the printer can obtain a printing platform which can stably work.

To sum up, the triangular prism shape frame construction of this application can apply to the 3D printer, and it is good to adopt triangular prism shape frame construction stability, and intensity is high, can make the stable work of 3D printer, guarantees to print the quality.

Various other modifications and changes can be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the protection scope of the present invention.

Claims

1. A triangular prism-shaped frame structure is characterized by comprising a base structure, a first inclined rod, a second inclined rod, a third inclined rod and a fourth inclined rod, wherein the first inclined rod, the second inclined rod, the third inclined rod and the fourth inclined rod are arranged on the base structure; the first tilting rod and the second tilting rod are positioned at the left end of the base structure, the third tilting rod and the fourth tilting rod are positioned at the right end of the base structure, the first tilting rod is connected with the third tilting rod, and the second tilting rod is connected with the fourth tilting rod;

2. The triangular prism shaped frame structure according to claim 1, wherein the moving bar is mounted with a head assembly for a printer, the head assembly being slidably coupled with the moving bar.

3. The triangular prism-shaped frame structure according to claim 2, wherein the moving bar is provided with a slide groove for sliding the head assembly.

4. The triangular prism-shaped frame structure according to claim 3, wherein the head assembly is provided with a second pulley, and the second pulley is mounted to a slide groove.

5. The triangular prism-shaped frame structure according to claim 1, wherein an angle code is installed at a position where the first tilting bar is connected to the base structure; an angle code is arranged at the position where the second inclined rod is connected with the base structure; a fastening piece is arranged at the position where the third inclined rod is connected with the base structure; and a fastening piece is arranged at the position where the fourth inclined rod is connected with the base structure.

6. The triangular prism-shaped frame structure according to claim 1, wherein the first and second inclined bars are parallel, and the first inclined bar is at an angle of 10-80 degrees to the base structure.

7. The triangular prism-shaped frame structure according to claim 1, wherein the first inclined bar is at an angle of 45 degrees to the base structure.

8. A3D printer is characterized by comprising a 3D printer main body and a triangular prism-shaped frame structure connected with the 3D printer main body; the triangular prism-shaped frame structure is the triangular prism-shaped frame structure described in any one of claims 2 to 4.

9. The 3D printer of claim 8, wherein a belt drive is connected to the lower end of the triangular prism shaped frame structure, and the nozzle assembly faces the belt drive.

10. The 3D printer of claim 9, wherein the 3D printer body is provided with a power supply main board assembly, and the power supply main board assembly is electrically connected with the belt transmission mechanism and the spray head assembly.