Double-head collaborative direct-writing type 3D printer

Abstract

The utility model belongs to the technical field of 3D printing, and discloses a double-head collaborative direct writing type 3D printer which comprises a platform support, a printing platform and a leveling assembly, the leveling assembly comprises an elastic piece and an adjusting rod, the elastic piece is arranged between the platform support and the printing platform, one end of the adjusting rod is provided with a first end, and the other end of the adjusting rod is provided with a second end. A second through hole matched with the first end is formed in the printing platform, the first end abuts against the upper end face of the printing platform, or the first end penetrates out of the second through hole by rotating the adjusting rod. According to the double-head collaborative direct-writing type 3D printer, the printing platform is pressed downwards, the elastic piece accumulates force to contract, the printing platform gradually gets away from the first end, then the adjusting rod is rotated till the first end corresponds to the second through hole, and the downward pressure on the printing platform is released; and the elastic piece pushes the printing platform to move upwards so that the printing platform can be conveniently detached from the printing platform, and the printing platform can be conveniently cleaned.

Description

Technical Field

[0001] This utility model relates to the field of 3D printing technology, and in particular to a dual-head collaborative direct-write 3D printer. Background Technology

[0002] 3D printing is a technology that manufactures solid parts by adding materials layer by layer based on three-dimensional CAD data. Among them, slurry direct writing 3D printing has a high degree of freedom in material composition design and can be widely used in the fields of irregular-shaped components, personalized gradient materials, and personalized jewelry printing.

[0003] The existing Chinese patent with announcement number CN220594069U discloses a dual-head collaborative direct-write 3D printing device, which can carry out personalized gradient material printing and complex suspended component printing through two printing nozzles included in the dual-head collaborative mechanism; it adopts a pneumatic control system to synchronously control the material supply and lifting of the printing nozzles, thereby realizing the switching operation of dual printing nozzles.

[0004] The printing platform of the aforementioned device is fixed to the platform support via a leveling assembly, which includes bolts, nuts, and springs. The bolts pass through the printing platform, springs, and platform support from top to bottom and are connected to the nuts, thereby adjusting the distance between the printing platform and the platform support. However, this makes the printing platform difficult to disassemble, and cleaning the printing residue on the printing platform requires reaching into the frame for cleaning, which is severely limited by internal space.

[0005] Therefore, there is an urgent need to design a new dual-head collaborative direct-write 3D printer to improve the above problems. Utility Model Content

[0006] The purpose of this invention is to provide a dual-head collaborative direct-write 3D printer to solve the technical problem that the printing platform is not easy to disassemble and that cleaning the printing residue on the printing platform requires reaching into the machine frame for cleaning, which is very limited by the internal space.

[0007] To achieve this objective, the present invention adopts the following technical solution:

[0008] A dual-head collaborative direct-write 3D printer includes a platform support, printing platforms, and a leveling assembly. The printing platforms are horizontally positioned and spaced apart above the platform support. The leveling assembly includes:

[0009] An elastic element is disposed between the platform support and the printing platform;

[0010] An adjusting rod is provided with a first end and a second end at one end. A first through hole matching the rod portion of the adjusting rod is provided on the platform support. The adjusting rod passes through the first through hole, and the second end abuts against the bottom surface of the platform support.

[0011] The printing platform has a second through hole that matches the first end, and the first end abuts against the upper surface of the printing platform;

[0012] Alternatively, the first end can be made to protrude from the second through hole by rotating the adjusting rod.

[0013] As a preferred embodiment of a dual-head collaborative direct-write 3D printer, four leveling components are provided, and the four leveling components are respectively located at the four corners of the printing platform.

[0014] As a preferred embodiment of a dual-head collaborative direct-write 3D printer, the elastic element includes a spring, one end of which is connected to the printing platform, and the spring is located in the middle of the printing platform;

[0015] Alternatively, the spring and the adjusting rod are arranged in a one-to-one correspondence, with the rod portion of the adjusting rod passing through the spring.

[0016] As a preferred embodiment of a dual-head collaborative direct-write 3D printer, the first end head, the second end head, and the rod body of the adjusting rod are integrally formed.

[0017] As a preferred embodiment of a dual-head collaborative direct-write 3D printer, the adjusting rod has threads on its circumference, and an adjusting nut is connected to the threads on the circumference of the adjusting rod.

[0018] As a preferred embodiment of a dual-head collaborative direct-write 3D printer, the second end and the rod body of the adjusting rod are integrally formed. The end of the adjusting rod away from the second end has an internal threaded hole 602, and the first end is threaded into the internal threaded hole 602.

[0019] As a preferred embodiment of a dual-head collaborative direct-write 3D printer, the end of the first head is provided with a handle that can pass through the second perforation.

[0020] As a preferred embodiment of a dual-head collaborative direct-write 3D printer, the upper surface of the printing platform is provided with a groove, and the first end head is movably embedded in the groove.

[0021] As a preferred embodiment of a dual-head collaborative direct-write 3D printer, the dual-head collaborative direct-write 3D printer further includes a frame, on which a first motion mechanism and a second motion mechanism are provided. The first motion mechanism is connected to a dual-head collaborative mechanism, which is used to drive the dual-head collaborative mechanism to move horizontally or longitudinally on the frame. The second motion mechanism is connected to the platform support, which is used to drive the platform support to move vertically.

[0022] The beneficial effects of this utility model are:

[0023] By pressing down on the printing platform, the elastic element contracts and gradually moves the printing platform away from the first end. Then, rotate the adjusting rod until the first end aligns with the second perforation. At this point, release the downward pressure on the printing platform. The elastic element pushes the printing platform upward under its elastic force, allowing the printing platform to be easily removed from the printing platform without being restricted by the internal space of the frame, making it convenient for cleaning the printing platform. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of the dual-head collaborative direct-write 3D printer provided in Embodiment 1 of this utility model;

[0025] Figure 2 This is a cross-sectional view of the leveling component in the first state provided in Embodiment 1 of this utility model;

[0026] Figure 3 This is a cross-sectional view of the leveling component in the second state according to Embodiment 1 of this utility model.

[0027] Figure 4 This is a cross-sectional view of the leveling component provided in Embodiment 2 of this utility model;

[0028] Figure 5 This is a top view of the printing platform provided in Embodiment 1 of this utility model.

[0029] In the picture:

[0030] 1. Frame; 2. First motion mechanism; 3. Second motion mechanism;

[0031] 4. Platform support; 41. First perforation;

[0032] 5. Printing platform; 51. Second perforation; 52. Insertion groove;

[0033] 6. Leveling assembly; 61. Spring; 62. Adjusting rod; 63. First end; 64. Second end; 65. Handle; 601. Adjusting nut; 602. Internal threaded hole. Detailed Implementation

[0034] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0035] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0036] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0037] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0038] Existing leveling components include bolts, nuts, and springs. The bolts pass through the printing platform, spring, and platform support from top to bottom and are connected to the nuts to adjust the distance between the printing platform and the platform support. However, this makes it difficult to disassemble the printing platform, and cleaning the printing residue on the platform requires reaching into the frame, which is very limited by internal space.

[0039] Example 1

[0040] To solve the above problems, combined with Figures 1-3 , Figure 4As shown, this embodiment provides a dual-head collaborative direct-write 3D printer, including a frame 1, on which a first motion mechanism 2 and a second motion mechanism 3 are provided.

[0041] The first motion mechanism 2 is connected to a dual-head coordinating mechanism, which drives the dual-head coordinating mechanism to move horizontally along the transverse or longitudinal direction on the frame 1. Since the first motion mechanism 2 is prior art, it will not be described in further detail here.

[0042] The second motion mechanism 3 is connected to the platform support 4, and the second motion mechanism 3 is used to drive the platform support 4 to move vertically. Since the second motion mechanism 3 is existing technology, it will not be described in further detail here.

[0043] like Figure 1 As shown, the dual-head collaborative direct-write 3D printer also includes a printing platform 5 and a leveling component 6. The printing platform 5 is set horizontally and spaced above the platform support 4.

[0044] like Figure 2 and Figure 3 As shown, the leveling assembly 6 in this embodiment includes an elastic element and an adjusting rod 62. The elastic element is disposed between the platform support 4 and the printing platform 5. One end of the adjusting rod 62 is provided with a first end 63, and the other end of the adjusting rod 62 is provided with a second end 64. The platform support 4 has a first through hole 41 that matches the rod portion of the adjusting rod 62, and the adjusting rod 62 passes through the first through hole 41. The second end 64 abuts against the bottom surface of the platform support 4. The printing platform 5 has a second through hole 51 that matches the first end 63 (see...). Figure 5 The first end 63 abuts against the upper surface of the printing platform 5, or the first end 63 can be made to protrude from the second through hole 51 by rotating the adjusting rod 62.

[0045] Optionally, the upper surface of the printing platform 5 is provided with a groove 52 (see...). Figure 5 The first end 63 is movably embedded in the groove 52. By embedding the first end 63 in the groove 52, accidental contact with the first end 63 can be reduced, ensuring the reliability of the connection.

[0046] When the print platform 5 needs cleaning, see [link to relevant documentation]. Figure 2 and Figure 3 By pressing down on the printing platform 5, the elastic element contracts and the printing platform 5 gradually moves away from the first end 63. Then, the adjusting rod 62 is rotated until the first end 63 corresponds to the second through hole 51. At this time, the downward pressure on the printing platform 5 is released, and the elastic element pushes the printing platform 5 upward under the elastic action so that the printing platform 5 can be easily removed from the printing platform 5 without being restricted by the internal space of the frame 1, which facilitates the cleaning of the printing platform 5.

[0047] Specifically, there are four leveling components 6, and the four leveling components 6 are respectively located at the four corners of the printing platform 5, which provides good stability for leveling support.

[0048] In other embodiments, the number of leveling components 6 may be one, two, three, five or even more, and this embodiment does not specifically limit this.

[0049] Preferably, the elastic element includes a spring 61, one end of which is connected to the printing platform 5, and the other end of which is fixedly connected to the platform support 4. The spring 61 is located in the middle of the printing platform 5, which makes it convenient to press the middle of the printing platform 5 with one hand and adjust the rotation of the first end 63 with the other hand.

[0050] In addition, to facilitate the adjustment of the first end 63, a handle 65 is provided at the end of the first end 63. By holding the handle 65, the first end 63 can be rotated and adjusted more conveniently.

[0051] It should be noted that the handle 65 can pass through the second through hole 51, ensuring that the setting of the handle 65 does not affect the installation and removal of the printing platform 5.

[0052] Optionally, see [link to relevant documentation] Figure 2 and Figure 3 The first end 63, the second end 64, and the adjusting rod 62 are integrally formed, resulting in higher structural strength. The adjusting rod 62 has threads on its circumference, and an adjusting nut 601 is connected to these threads. By turning the adjusting nut 601 forward or backward, the distance between the printing platform 5 and the platform support 4 can be adjusted, thereby leveling the printing platform 5 and ensuring the printing accuracy of the finished product.

[0053] Example 2

[0054] This embodiment is basically the same as the other structures in Embodiment 1. The difference is that the springs 61 and the adjusting rods 62 are arranged in a one-to-one correspondence. That is, the number of springs 61 and the number of adjusting rods 62 are the same and there are four of them. The rod of the adjusting rod 62 passes through the spring 61. The rod of the adjusting rod 62 has a certain guiding effect on the extension and retraction of the spring 61, and the extension and retraction stability is good.

[0055] Example 3

[0056] This embodiment is basically the same as the first embodiment in terms of other structures, except that the second end 64 and the adjusting rod 62 are integrally formed. The end of the adjusting rod 62 away from the second end 64 has an internal threaded hole 602, and the first end 63 is threaded into the internal threaded hole 602. By turning the second end 64 in the forward or reverse direction, the distance between the printing platform 5 and the platform support 4 can be adjusted, thereby leveling the printing platform 5 and ensuring the printing accuracy of the finished product.

[0057] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A dual-head collaborative direct-write 3D printer, comprising a platform support (4), printing platforms (5), and a leveling assembly (6), wherein the printing platforms (5) are horizontally arranged and spaced apart above the platform support (4), characterized in that, The leveling component (6) includes: An elastic element is disposed between the platform support (4) and the printing platform (5); An adjusting rod (62) is provided with a first end (63) at one end and a second end (64) at the other end. A first through hole (41) matching the rod part of the adjusting rod (62) is provided on the platform support (4). The adjusting rod (62) passes through the first through hole (41), and the second end (64) abuts against the bottom surface of the platform support (4). The printing platform (5) has a second through hole (51) that matches the first end (63), and the first end (63) abuts against the upper surface of the printing platform (5); Alternatively, the first end (63) can be made to protrude from the second through hole (51) by rotating the adjusting rod (62).

2. The dual-head collaborative direct-write 3D printer according to claim 1, characterized in that, Four leveling components (6) are provided, and the four leveling components (6) are respectively located at the four corners of the printing platform (5).

3. The dual-head collaborative direct-write 3D printer according to claim 1, characterized in that, The elastic element includes a spring (61), one end of which is connected to the printing platform (5), and the spring (61) is located in the middle of the printing platform (5); Alternatively, the spring (61) and the adjusting rod (62) are arranged in a one-to-one correspondence, with the rod portion of the adjusting rod (62) passing through the spring (61).

4. The dual-head collaborative direct-write 3D printer according to claim 1, characterized in that, The first end (63), the second end (64), and the rod body of the adjusting rod (62) are integrally formed.

5. The dual-head collaborative direct-write 3D printer according to claim 4, characterized in that, The adjusting rod (62) has threads on its circumference, and the adjusting rod (62) is threaded with an adjusting nut (601).

6. The dual-head collaborative direct-write 3D printer according to claim 1, characterized in that, The second end (64) and the rod body of the adjusting rod (62) are integrally formed. The end of the adjusting rod (62) away from the second end (64) is provided with an internal threaded hole (602), and the first end (63) is threaded into the internal threaded hole (602).

7. The dual-head collaborative direct-write 3D printer according to claim 1, characterized in that, The first end (63) is provided with a handle (65) at its end, and the handle (65) can pass through the second through hole (51).

8. The dual-head collaborative direct-write 3D printer according to claim 1, characterized in that, The printing platform (5) has a groove (52) on its upper surface, and the first end (63) is movably embedded in the groove (52).

9. The dual-head collaborative direct-write 3D printer according to any one of claims 1-8, characterized in that, The dual-head collaborative direct-write 3D printer also includes a frame (1), on which a first motion mechanism (2) and a second motion mechanism (3) are provided. The first motion mechanism (2) is connected to a dual-head collaborative mechanism. The first motion mechanism (2) is used to drive the dual-head collaborative mechanism to move horizontally or longitudinally on the frame (1). The second motion mechanism (3) is connected to the platform support (4) and is used to drive the platform support (4) to move vertically.

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