CN210100718U

CN210100718U - High temperature 3D printer self-adaptation leveling platform to PEEK material shaping

Info

Publication number: CN210100718U
Application number: CN201822192180.4U
Authority: CN
Inventors: 单斌; 张永海; 甘勇; 竺冬彪; 徐子又; 王建明; 李青
Original assignee: Ningbo Su Mei Science And Technology Ltd
Current assignee: Ningbo Su Mei Science And Technology Ltd
Priority date: 2018-12-26
Filing date: 2018-12-26
Publication date: 2020-02-21
Anticipated expiration: 2028-12-26

Abstract

The utility model discloses a self-adaptive leveling platform of a high-temperature 3D printer for PEEK material molding, which comprises a bottom platform and a molding base plate, wherein a self-adaptive leveling mechanism is arranged between the bottom platform and the molding base plate, the self-adaptive leveling mechanism comprises a bottom supporting plate and a moving block groove body, and linear sliding grooves are formed in four corners of the moving block groove body; a platform moving block is arranged on the bottom surface of the forming base plate, and a linear sliding block is arranged on the platform moving block; a heating film is arranged between the moving block groove body and the forming substrate, and openings are formed in four corners of the heating film. The utility model has the advantages of it is following and effect: the novel mechanical structure is utilized, the self-adaptive leveling mechanism is adopted between the forming substrate and the bottom platform, self-adaptive adjustment can be realized, and the effect that the forming substrate is always relatively flat and is not easy to cause an inner bulging phenomenon is achieved; the molded substrate can be flexibly adjusted by adopting the triangular positioning elastic column, and the adjustment is more convenient; the PEEK board can prevent to a certain extent that the printing finished product from appearing the phenomenon of sticking up the limit, improves and prints the precision.

Description

High temperature 3D printer self-adaptation leveling platform to PEEK material shaping

Technical Field

The utility model relates to a 3D printer technical field, in particular to fashioned high temperature 3D printer self-adaptation leveling platform to PEEK material.

Background

The 3D printing technology is also called Rapid Prototyping (RPM) or additive Manufacturing technology, and relates to subjects such as mechanical engineering, material engineering, numerical control, reverse Manufacturing, CAD technology, and computer technology. The 3D printing technology adopts the basic principle of 'layer-by-layer printing and layer-by-layer superposition', namely, a three-dimensional model is generated through CAD software firstly, then, upper computer slicing software (such as curra, resetier-Host, retaCreate and the like) slices the three-dimensional model in a layering mode and plans a path, a generated G-code file is led into a lower computer, and then, the controller controls 3D printing equipment to reproduce the three-dimensional solid model layer by layer.

With 3D printing rapid prototyping technology as a core, 3D prototyping devices of different printing principles have emerged, wherein Fused Deposition Modeling (FDM) devices become hot spots for current applications depending on their convenience of use and simplicity of operation. The hardware core is a hot-melting printing nozzle, the printing material is mostly hot-melting plastics, such as PEEK material, and compared with the traditional FDM 3D printing material, the PEEK material is characterized by higher melting point and larger thermal deformation coefficient. In the printing process, under the control of the controller, the feeding mechanism pushes the hot-melt plastic to the printing nozzle, and then the hot-melt plastic is melted at high temperature by the nozzle and is extruded and molded.

At present, when using the quick shaping of PEEK material, the print platform that adopts is direct rigid connection between shaping base plate and bottom platform, and generally, shaping base plate is mostly that the great plastics material of coefficient of thermal expansion makes, and bottom platform is mostly that the less metal material of coefficient of thermal expansion makes, because the coefficient of thermal expansion of both differs greatly, so appear the problem of shaping base plate internal bulging easily in high temperature heating process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a to fashioned high temperature 3D printer self-adaptation flat-bed platform of PEEK material adopts self-adaptation flat-bed mechanism between forming substrate and bottom platform, but forming substrate relative bottom platform self-adaptation regulation has forming substrate and is more level and smooth all the time, the effect of the interior drum phenomenon of difficult appearance.

The above technical purpose of the present invention can be achieved by the following technical solutions: a self-adaptive leveling platform of a high-temperature 3D printer for PEEK material molding comprises a bottom platform and a molding base plate, wherein the center of the molding base plate is fixedly connected to the bottom platform; platform moving blocks are correspondingly arranged at four corners of the forming base plate, and linear sliding blocks corresponding to the linear sliding grooves are arranged on the platform moving blocks; a heating film is arranged between the moving block groove body and the forming substrate, the center of the heating film is fixedly connected to the bottom supporting plate, and openings corresponding to the linear sliding grooves are formed in four corners of the heating film.

Through adopting above-mentioned technical scheme, when carrying out 3D when printing on the forming substrate, the heating film heats whole, the forming substrate is heated and is taken place the inflation deformation all around, the forming substrate drives the platform movable block in four corners and moves to the direction of keeping away from movable block cell body center along linear spout at the deformation in-process, and the lower bottom surface of platform movable block receives the supporting role of bottom platform, can make the relative bottom platform of forming substrate be in the horizontality all the time, with this can realize forming substrate's self-adaptation leveling at high temperature printing in-process, the phenomenon of interior drum is difficult for appearing in the forming base to a certain extent, it is more smooth effect all the time to have the forming substrate, can improve the shaping precision of printing.

The utility model discloses a further set up to: a glass plane is arranged between the moving block groove body and the bottom platform, a through hole is formed in the center of the glass plane, and the bottom supporting plate penetrates through the through hole.

By adopting the technical scheme, the glass plane is used as the horizontal base plate, so that the leveling effect of the leveling mechanism is better.

The utility model discloses a further set up to: the device is characterized by further comprising a supporting platform, wherein the bottom platform is fixedly connected to the supporting platform, and an adjustable elastic device is arranged between the supporting platform and the bottom platform.

Through adopting above-mentioned technical scheme, can artificially adjust adjustable resilient means before printing, can make the horizontality of bottom platform better, it is more convenient to adjust.

The utility model discloses a further set up to: the adjustable elastic device is arranged as an elastic column, and three elastic columns are arranged on the supporting platform and are distributed in a triangular shape.

By adopting the technical scheme, the molded substrate is leveled in a three-point positioning mode, and the adjustment is flexible.

The utility model discloses a further set up to: the molding substrate is a PEEK plate.

Through adopting above-mentioned technical scheme, according to the similar principle that dissolves mutually, the shaping base plate adopts the PEEK board, and the shaping base plate material is unanimous with the printing material, and the condition of fusing is better, can prevent to appear the phenomenon of sticking up the limit after printing the shaping under certain action, makes its shaping precision higher.

To sum up, the utility model discloses following beneficial effect has:

1. the self-adaptive leveling mechanism is adopted between the forming base plate and the bottom platform, so that the forming base plate can be self-adaptively adjusted relative to the bottom platform, and the platform moving block can move relative to the bottom platform along four corners of the moving block groove body in the high-temperature printing process, so that the phenomenon of inner bulging of the forming base can be avoided to a certain extent, and the plane of the forming base is relatively flat;

2. the molded substrate can be flexibly adjusted by adopting the triangular positioning elastic column, the adjustment is more convenient, and the levelness of the bottom platform is better;

3. the shaping base plate adopts the PEEK board, and the material of shaping base plate is unanimous with the printing material, and according to the similar principle that dissolves mutually, the condition of fusing is better, can prevent under certain effect that the phenomenon of the finished product after printing appears warping the limit.

Drawings

Fig. 1 is a schematic diagram of the overall structural relationship of the embodiment.

FIG. 2 is an exploded view of the support platform of the present embodiment.

In the figure: 1. a support platform; 2. an elastic column; 3. a bottom platform; 4. a bottom pallet; 5. a moving block groove body; 51. a linear chute; 6. a glass plane; 61. a through hole; 7. molding a substrate; 8. heating the film; 81. an opening; 9. a platform moving block; 91. a linear slide.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. For convenience of explanation, the following "up" and "down" are all in the same direction as shown in fig. 2.

The utility model provides a to fashioned high temperature 3D printer self-adaptation flat platform of PEEK material, as shown in fig. 1 and fig. 2, including supporting platform 1, be provided with adjustable resilient means on supporting platform 1, in this embodiment, adjustable resilient means sets up to elastic column 2, be provided with three elastic column 2 on supporting platform 1 altogether, and three elastic column 2 is triangular distribution, the lower extreme and the supporting platform 1 fixed connection of three elastic column 2, the upper end fixedly connected with bottom platform 3 of three elastic column 2, the upper surface center of bottom platform 3 is provided with cuboid form and the less bottom layer board 4 of thickness, the projection area of bottom layer board 4 is less than bottom platform 3, screw fixed connection is passed through on bottom layer board 4 four corners on bottom platform 3.

As shown in fig. 2, the upper surface of the bottom supporting plate 4 is connected with a rectangular moving block groove body 5 with smaller thickness through a screw, a glass plane 6 is arranged between the moving block groove body 5 and the bottom platform 3, a rectangular through hole 61 with the same size as the bottom supporting plate 4 is formed in the center of the glass plane 6, and the bottom supporting plate 4 can just pass through the through hole 61; a rectangular forming substrate 7 is further arranged on the moving block groove body 5, the forming substrate 7 can be a PEEK plate in the embodiment, a heating film 8 is further arranged between the forming substrate 7 and the moving block groove body 5, and the centers of the forming substrate 7, the heating film 8 and the moving block groove body 5 are all fixedly connected to the bottom supporting plate 4 through a screw; the outer edge line of the forming substrate 7 is fixed through the pressing sheet metal plate, the platform moving blocks 9 are arranged at four corners of the bottom surface of the forming substrate 7, each platform moving block 9 is fixedly connected with the pressing sheet metal plate through a screw, a linear sliding block 91 is arranged on each platform moving block 9, linear sliding grooves 51 are formed in four corners of each moving block groove body 5 along diagonal lines, openings 81 corresponding to the linear sliding grooves 51 are also formed in four corners of the heating film 8, and the linear sliding blocks 91 can slide along the linear sliding grooves 51 and the openings 81.

The utility model discloses a basic operating principle does: the three elastic columns 2 can be manually adjusted respectively before 3D printing, the horizontal position of the bottom platform 3 is adjusted, so that the levelness of the bottom platform 3 is better, the adjustment is more convenient, the molded substrate 7 is adjusted in a three-point positioning mode, the adjustment is more flexible, and the leveling effect is better; in the 3D printing process on the forming substrate 7, the heating film 8 heats the whole forming substrate 7 made of PEEK material, because the forming substrate 7 has a large thermal expansion coefficient, when the forming substrate 7 is heated, the forming substrate 7 expands and deforms around, the center of the forming substrate 7 is fixed on the bottom support plate 4 through screws, the periphery of the forming substrate 7 can drive the platform moving blocks 9 at four corners to move along the linear sliding grooves 51 in the direction away from the center of the moving block groove body 5 in the deformation process, the glass plane 6 serves as a horizontal substrate, the lower bottom surface of the platform moving block 9 is supported by the glass plane 6, the forming substrate 7 can be in a horizontal state relative to the glass plane 6 all the time, so that the self-adaptive leveling of the forming substrate 7 can be realized in the high-temperature printing process, the forming substrate is not easy to generate an inner drum phenomenon to a certain degree, and the forming substrate 7 has the effect, the forming precision of the printed piece is improved. Adopt the shaping base plate 7 of PEEK board material, it is unanimous with printing the material, and the condition of fusing is better, can prevent to print the phenomenon that finished product warped edge appears after the shaping under certain action, makes its shaping precision higher.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. The utility model provides a to fashioned high temperature 3D printer self-adaptation flat bed of PEEK material, includes bottom platform (3), central fixed connection in shaping base plate (7) on bottom platform (3), its characterized in that: a self-adaptive leveling mechanism is arranged between the bottom platform (3) and the forming substrate (7), the self-adaptive leveling mechanism comprises a bottom supporting plate (4) fixedly connected to the bottom platform (3) and a moving block groove body (5) fixedly connected to the bottom supporting plate (4), and linear sliding grooves (51) are formed in four corners of the moving block groove body (5) along diagonal lines; platform moving blocks (9) are correspondingly arranged at four corners of the forming base plate (7), and linear sliding blocks (91) corresponding to the linear sliding grooves (51) are arranged on the platform moving blocks (9); a heating film (8) is arranged between the moving block groove body (5) and the forming substrate (7), the center of the heating film (8) is fixedly connected to the bottom supporting plate (4), and openings (81) corresponding to the linear sliding grooves (51) are formed in four corners of the heating film (8).

2. The adaptive leveling platform for the high-temperature 3D printer for PEEK material molding of claim 1, wherein: a glass plane (6) is arranged between the moving block groove body (5) and the bottom platform (3), a through hole (61) is formed in the center of the glass plane (6), and the bottom supporting plate (4) penetrates through the through hole (61).

3. The adaptive leveling platform for the high-temperature 3D printer for PEEK material molding of claim 1, wherein: the device is characterized by further comprising a supporting platform (1), wherein the bottom platform (3) is fixedly connected to the supporting platform (1), and an adjustable elastic device is arranged between the supporting platform (1) and the bottom platform (3).

4. The adaptive leveling platform for the high-temperature 3D printer for PEEK material molding of claim 3, wherein: the adjustable elastic device is arranged as an elastic column (2), the supporting platform (1) is provided with three elastic columns (2), and the three elastic columns (2) are distributed in a triangular shape.

5. The adaptive leveling platform for the high-temperature 3D printer for PEEK material molding of claim 1, wherein: the molding substrate (7) is a PEEK plate.