CN215320674U

CN215320674U - Spreading adjusting device of 3D printer

Info

Publication number: CN215320674U
Application number: CN202120799026.2U
Authority: CN
Inventors: 周宏志; 梁银生
Original assignee: Suzhou Zhongrui Zhichuang 3d Technology Co ltd
Current assignee: Suzhou Zhongrui Zhichuang 3d Technology Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-12-28
Anticipated expiration: 2031-04-19

Abstract

The invention discloses a spreading adjusting device of a 3D printer, which is characterized in that a printing platform is arranged, a spreading mechanism, a discharge port and a forming area are sequentially arranged above the printing platform, a material cylinder positioned below the discharge port extrudes paste from the discharge port, the spreading mechanism spreads the paste in the forming area, a size adjusting device is arranged below the discharge port, the size adjusting device comprises a sliding assembly and a guide rail, the extending direction of the guide rail is consistent with the length direction of the discharge port, the guide rail is spread below the discharge port, the sliding assembly comprises at least one sliding plate, the sliding plate is slidably arranged on the guide rail, and the sliding plate slides along the extending direction of the guide rail and covers a part of the discharge port. Compared with the prior art, the adjustable material outlet device has the advantages that the adjustable function of the size of the material outlet is realized, so that the laying range of the material can be flexibly adjusted, the printing material is saved, the excess material needing to be cleaned and recovered after printing is finished is reduced, and the workload of cleaning and recovering the excess material is greatly reduced.

Description

Spreading adjusting device of 3D printer

Technical Field

The invention relates to 3D printing, in particular to a paving adjusting device of a 3D printer.

Background

The 3D printing technology is a new fast forming technology at present, and is a technology for constructing an object by using materials such as powder, silk, paste and the like in a layer-by-layer printing manner on the basis of a digital model file.

3D printers for paste materials or gel materials on the market are various in types, but the discharging modes of the printers are mostly similar, namely, the printer extrudes materials upwards through a long-strip-shaped discharging port and then paves the materials in a printing area through a scraper, the size of the extruded materials is consistent with that of the discharging port, meanwhile, the size of the extruded materials can directly influence the transverse length of the paving area (the scraping direction of the scraper is longitudinal), the length of the existing discharging port is slightly larger than that of the printing area, so that the materials can completely cover the printing area, and practically, not all the printing areas are needed in each printing, so that a large amount of residual materials are wasted in the printing process, and the excessive parts need to be cleaned and recycled after the printing is finished, which wastes time and labor, so that a paving adjusting device capable of adjusting the size of the discharging port is needed to adjust the paving range of the materials, the material can be laid in the area where the part needs to be printed, so that the workload of cleaning and recycling excess materials is reduced while the printing material is saved.

Disclosure of Invention

In view of this, the invention provides a material spreading adjusting device for a 3D printer, which is compared with the prior art in which a size adjusting device is added at the bottom of an existing discharge port, and realizes the function of adjusting the size of the discharge port, so that the material spreading range can be flexibly adjusted, the printing material is saved, the excess material to be cleaned and recovered after printing is finished is reduced, and the workload of excess material cleaning and recovery is greatly reduced.

The invention provides a spreading adjusting device of a 3D printer, which comprises a printing platform, wherein a spreading mechanism, a discharge port and a forming area are sequentially arranged above the printing platform, a material cylinder positioned below the discharge port extrudes paste from the discharge port, the spreading mechanism spreads the paste in the forming area, a size adjusting device is arranged below the discharge port and comprises a sliding assembly and a guide rail, the extending direction of the guide rail is consistent with the length direction of the discharge port, the guide rail is spread below the discharge port, the sliding assembly comprises at least one sliding plate, the sliding plate is slidably arranged on the guide rail, and the sliding plate slides along the extending direction of the guide rail and covers a part of the discharge port.

Further, the sliding assembly comprises two sliding plates which slide towards or away from each other.

Further, the length of both slide boards is greater than or equal to the length of discharge gate.

Further, two slides are first slide and second slide respectively, and the initial position of first slide and the initial position of second slide are located the relative both sides of the length direction of discharge gate respectively, and first slide is towards or keep away from the second slide under the drive of first motor, and the second slide is towards or keep away from first slide under the drive of second motor.

Further, the printing platform is detachably provided with a discharging base plate, the discharging port is formed in the discharging base plate, and the size adjusting device is installed on the lower surface of the discharging base plate.

Further, the discharging substrate is mounted on the printing platform in a turnover mode.

The invention provides a paving adjusting device of a 3D printer, which is characterized in that a printing platform is arranged, a paving mechanism, a discharging port and a forming area are sequentially arranged above the printing platform, and a size adjusting device is arranged at the bottom of the discharging port.

Compared with the prior art, the size adjusting device is additionally arranged at the bottom of the existing discharge port, the size adjusting function of the discharge port is realized, the laying range of materials can be flexibly adjusted, the printing materials are saved, meanwhile, the excess materials needing to be cleaned and recovered after printing are reduced, and the workload of excess material cleaning and recovery is greatly reduced.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural diagram of a paving adjusting device of a 3D printer according to an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

fig. 3 is an enlarged view of a portion a in fig. 1.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1 to 3, the present embodiment provides a spreading adjustment device for a 3D printer, first, a printing platform 1 is provided, on which a spreading mechanism 11, a discharge port 12 and a forming area 13 are sequentially provided, a material cylinder 121 located below the discharge port 12 extrudes paste from the discharge port 12, the spreading mechanism 11 spreads the paste in the forming area 13, a size adjustment device is installed below the discharge port 12, the size adjustment device includes a sliding assembly 2 and a guide rail 3, an extending direction of the guide rail 3 is consistent with a length direction of the discharge port 12, the guide rail 3 is laid below the discharge port 12, the sliding assembly 2 includes at least one sliding plate, the sliding plate is slidably installed on the guide rail 3, and the sliding plate slides along the extending direction of the guide rail 3 and covers a part of the discharge port 12.

With continued reference to fig. 1 to 3, the sliding assembly 2 includes two sliding plates, the two sliding plates slide in opposite directions or in opposite directions, the lengths of the two sliding plates are both greater than or equal to the length of the discharge port 12, the two sliding plates are respectively a first sliding plate 21 and a second sliding plate 22, the initial position of the first sliding plate 21 and the initial position of the second sliding plate 22 are respectively located on opposite sides of the length direction of the discharge port 12, the first sliding plate 21 faces or is far away from the second sliding plate 22 under the driving of the first motor, and the second sliding plate 22 faces or is far away from the first sliding plate 21 under the driving of the second motor.

Continuing to refer to fig. 1 to 3, detachable installs ejection of compact base plate 4 on print platform 1, and discharge gate 12 is seted up on ejection of compact base plate 4, and size adjusting device installs in the lower surface of ejection of compact base plate 4, and ejection of compact base plate 4 specifically can adopt the mode of upset to install on print platform 1, also can adopt the bolt to fix ejection of compact base plate 4 on print platform 1.

The size adjusting device can adjust the size of the discharge hole and the position of the discharge hole, so that materials can be paved at the designated position of a printing area, and the size adjusting device is realized by combining different positions of the two sliding plates on the guide rail.

The forming cavity of the existing 3D printer can be filled with materials, the reason for the situation is that the printing area is completely covered by the materials when the materials are laid layer by layer, so that the product is taken out more difficultly, and meanwhile, the cleanliness in the forming cavity can be reduced due to the full contact of the materials and the inner wall of the forming cavity.

Therefore, compared with the prior art, the invention has the following advantages:

1) the material is only paved in the area where the part needs to be printed, so that a large amount of printing material is saved;

2) the adjustable function of the size of the discharge port is realized, so that the paving range of the material can be flexibly adjusted, the excess materials needing to be cleaned and recovered after printing are reduced, and the related workload of excess material cleaning and recovery is greatly reduced;

3) the difficulty of taking out the product from the forming cavity by workers is reduced;

4) the cleanliness in the molding cavity is improved.

Example two:

referring to fig. 1 to fig. 3, a paving adjusting device of a 3D printer according to a second embodiment of the present invention is shown in the drawings, and on the basis of the above embodiments, the present embodiment further adopts the following technical solutions as improvements: the top of discharge gate need leave the space and give the mechanism of paving, therefore size adjusting device can only install the bottom at the discharge gate, for convenient control and maintenance size adjusting device, upset installation a ejection of compact base plate on print platform, the discharge gate is seted up on ejection of compact base plate, size adjusting device installs in the lower surface of ejection of compact base plate, upset ejection of compact base plate when needing operation size adjusting device, thereby it is convenient for operate to make size adjusting device expose above, overturn ejection of compact base plate to initial position again after the operation finishes, then go out the stone work.

Example three:

referring to fig. 1 to fig. 3, a paving adjusting device of a 3D printer according to a third embodiment of the present invention is shown in the drawings, and on the basis of the above embodiments, the present embodiment further adopts the following technical solutions as improvements: in the first embodiment, the first sliding plate and the second sliding plate are both driven by the motor, so that the motor is not used, the first sliding plate and the second sliding plate are manually moved to the designated positions and then are positioned by the bolts, and the installation cost of the size adjusting device can be reduced.

Example four:

referring to fig. 1 to fig. 3, a paving adjusting device of a 3D printer according to a third embodiment of the present invention is shown in the drawings, and on the basis of the above embodiments, the present embodiment further adopts the following technical solutions as improvements: the sliding plate shields a part of the discharge hole so as to adjust the size and the discharge position of the discharge hole, and other components or structures capable of shielding the discharge hole can be used to achieve similar effects, namely the combination of the sliding plate and the guide rail is not the only technical means, and other similar mechanical structures capable of partially shielding the discharge hole are all within the protection scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a stone adjusting device of 3D printer, is including printing platform (1), be equipped with in proper order on printing platform (1) and pave mechanism (11), discharge gate (12) and shaping region (13), be located material jar (121) of discharge gate (12) below follow cream material discharge gate (12) are extruded, pave mechanism (11) pave cream material in shaping region (13), its characterized in that, size adjusting device is installed to the below of discharge gate (12), size adjusting device includes sliding assembly (2) and guide rail (3), the extending direction of guide rail (3) with the length direction of discharge gate (12) is unanimous, laying in guide rail (3) the below of discharge gate (12), sliding assembly (2) include an at least slide, slide slidable mounting in on guide rail (3), the sliding plate slides along the extending direction of the guide rail (3) and covers a part of the discharge hole (12).

2. The spreading adjustment device of a 3D printer according to claim 1, wherein the sliding assembly (2) comprises two sliding plates, and the two sliding plates slide towards or away from each other.

3. The spreading adjusting device of a 3D printer according to claim 2, wherein the length of the two sliding plates is greater than or equal to the length of the discharge port (12).

4. The spreading adjusting device of a 3D printer according to claim 2 or 3, wherein the two sliding plates are a first sliding plate (21) and a second sliding plate (22), the initial position of the first sliding plate (21) and the initial position of the second sliding plate (22) are respectively located at two opposite sides of the length direction of the discharging port (12), the first sliding plate (21) faces or is far away from the second sliding plate (22) under the driving of a first motor, and the second sliding plate (22) faces or is far away from the first sliding plate (21) under the driving of a second motor.

5. The spreading adjusting device of a 3D printer according to claim 1, wherein a discharging base plate (4) is detachably mounted on the printing platform (1), the discharging port (12) is arranged on the discharging base plate (4), and the size adjusting device is mounted on the lower surface of the discharging base plate (4).

6. Spreading adjustment device of a 3D printer according to claim 5, characterized in that the outfeed substrate (4) is mounted upside down on the printing platform (1).