CN210501455U

CN210501455U - 3D printing forming platform fixing device

Info

Publication number: CN210501455U
Application number: CN201920889211.3U
Authority: CN
Inventors: 梁锦军
Original assignee: RYT Technology Ltd
Current assignee: RYT Technology Ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-05-12
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a fixing device for a 3D printing forming platform, which comprises a supporting frame for supporting the bottom of the forming platform, wherein the supporting frame is H-shaped and is formed by splicing aluminum profiles, and the forming platform is fixedly arranged on the supporting frame through bolts; and four corners of the supporting frame are respectively fixed on platform supporting strips of a Z shaft of the printer. Has the advantages that: the support frame assembled by the aluminum profiles can ensure the smoothness of the large-size printing and forming platform; the standard industrial aluminum profile is adopted, so that the weight is light, the strength is high, and the material source is wide; the design is simple, and easy processing and installation.

Description

3D printing forming platform fixing device

Technical Field

The utility model relates to a 3D printing apparatus field, concretely relates to 3D print forming platform fixing device.

Background

The FDM 3D printer is characterized in that a material is conveyed to a heated printing head, the printing head heats the printing material, the material in the printing head is melted, and the melted material is extruded out of a printing nozzle through downward extrusion of a feeding mechanism to be printed. All articles are printed on the forming platform and are printed into a three-dimensional model layer by layer. The size of the forming platform directly determines the size of the printing forming space.

The applicant finds that at least the following technical problems exist in the prior art: the shaping platform generally uses the metal material, and the big weight of platform is also big more, and consequently the fixed mode of platform is just more important, and general fixed mode adopts metal tray multiple spot to support fixedly, but under the great condition of platform size, because platform self weight reason, the condition of platform unevenness can appear, light then leads to the model bottom to warp, heavy then the model can't use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a 3D prints forming platform fixing device just in order to solve above-mentioned problem, the frame that uses standard accessory aluminium alloy to constitute supports fixedly to the forming platform to guarantee the planarization in the long-term use of forming platform.

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

the utility model provides a fixing device for a 3D printing forming platform, which comprises a supporting frame for supporting the bottom of the forming platform, wherein the supporting frame is H-shaped and is formed by splicing aluminum profiles, and the forming platform is fixedly arranged on the supporting frame through bolts;

and four corners of the supporting frame are respectively fixed on platform supporting strips of a Z shaft of the printer.

Adopt above-mentioned 3D printing forming platform fixing device, the forming platform passes through the bolt to be installed braced frame is last, thereby pass through braced frame is right the forming platform supports, because braced frame wholly adopts the aluminium alloy concatenation to form, and not only light in weight, intensity is high moreover, is enough to support forming platform uses for a long time and indeformable, and also greatly reduced the motion load of printer Z axle simultaneously to improve the use of printer and experience, level the forming platform can guarantee the roughness of printing the model bottom, avoids appearing the bending deformation problem.

Preferably, the supporting frame comprises transverse rods, longitudinal rods and connecting angle connectors, the transverse rods and the longitudinal rods are respectively provided with two transverse rods which are arranged in parallel, the two longitudinal rods are vertically connected between the two transverse rods and form the supporting frame of an H-shaped structure, and the end parts of the longitudinal rods are fixedly connected with the transverse rods through the connecting angle connectors.

Preferably, the aluminium alloy specification that the horizontal pole used is 4080, the aluminium alloy specification that the vertical pole used is 4040, just the horizontal pole with after the vertical pole is connected, the upper surface and the lower surface of both are the equal parallel and level.

Preferably, a fan-shaped reinforcing plate is connected between two right-angle edges of the corner connector.

Preferably, the forming platform is provided with a plurality of bolt mounting holes connected with the supporting frame, the bolt mounting holes are countersunk holes and are uniformly distributed along the moving direction of the transverse rods and the longitudinal rods.

Preferably, the number of the platform stays is two, and two ends of the platform stay are respectively fixed at the bottoms of the two cross rods through bolts, so that a rectangular frame is formed by the platform stay and the two cross rods.

Preferably, each platform stay is provided with two guide sleeves and a screw nut, the screw nut is positioned in the middle of the platform stay, and the guide sleeves are symmetrically distributed on two sides of the screw nut.

Has the advantages that: 1. the utility model uses the support frame assembled by aluminum profiles, which can ensure the smoothness of the large-size printing and forming platform;

2. the standard industrial aluminum profile is adopted, so that the weight is light, the strength is high, and the material source is wide;

3. the design is simple, and easy processing and installation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of the present invention;

FIG. 2 is a perspective view of the present invention;

fig. 3 is an enlarged view of the connection corner connector of the present invention.

The reference numerals are explained below:

1. a forming platform; 101. a threaded mounting hole; 2. a support frame; 201. a cross bar; 202. connecting corner connectors; 202a, a fan-shaped reinforcing plate; 203. a longitudinal bar; 3. a platform stay; 301. a feed screw nut; 302. and a guide sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a fixing device for a 3D printing forming platform, which comprises a supporting frame 2 for supporting the bottom of a forming platform 1, wherein the supporting frame 2 is H-shaped and is formed by splicing aluminum profiles, and the forming platform 1 is fixedly mounted on the supporting frame 2 through bolts;

four corners of the supporting frame 2 are respectively fixed on a platform stay 3 of a Z-axis of the printer.

As preferred, braced frame 2 includes horizontal pole 201, vertical pole 203 and connection angle sign indicating number 202, horizontal pole 201 with vertical pole 203 respectively has two, two horizontal pole 201 parallel arrangement, two vertical pole 203 connects perpendicularly two between the horizontal pole 201 to form braced frame 2 of H type structure, the tip of vertical pole 203 through connect angle sign indicating number 202 with horizontal pole 201 fixed connection, so set up, be convenient for link together horizontal pole 201 and vertical pole 203 through the angle sign indicating number, both can guarantee the straightness that hangs down between the two, can guarantee the stability of both connections again, thereby make things convenient for braced frame 2's concatenation equipment to guarantee braced frame 2's overall stability after the equipment.

As preferred, the aluminium alloy specification that horizontal pole 201 used is 4080, the aluminium alloy specification that vertical pole 203 used is 4040, just horizontal pole 201 with the back is connected to vertical pole 203, upper surface and the equal parallel and level of lower surface between them, so set up, because horizontal pole 201 both ends are connected with platform stay 3, consequently through adopting broad specification aluminium alloy processing horizontal pole 201, both can improve the bulk strength of horizontal pole 201, can increase horizontal pole 201 and forming platform 1's area of contact simultaneously, thereby improve braced frame 2 and to forming platform 1's support stability, vertical pole 203 is used for connecting two horizontal poles 201, guarantee braced frame 2 holistic stability, the aluminium alloy that adopts normal square specification simultaneously can alleviate braced frame 2's overall weight.

Preferably, be connected with fan-shaped reinforcing plate 202a between two right-angle sides of angle sign indicating number, so set up, be convenient for improve the stability and the whole support intensity on two right-angle sides of angle sign indicating number through fan-shaped reinforcing plate 202a to guarantee the stability of being connected of horizontal pole 201 and vertical pole 203, two right-angle sides of angle sign indicating number pass through bolt and horizontal pole 201 and vertical pole 203 fixed connection.

As preferred, be provided with on the forming platform 1 a plurality of with the bolt mounting hole that braced frame 2 is connected, just the bolt mounting hole is the counter bore, and follows horizontal pole 201 with the trend evenly distributed of vertical pole 203, so set up, when being connected with braced frame 2, be convenient for forming platform 1, penetrate the bolt from the bolt mounting hole and be connected with braced frame 2, the head of bolt can sink in the counter bore of bolt mounting hole to guarantee the installation back, the roughness on forming platform 1 surface, along the bolt of horizontal pole 201 and the even installation of vertical pole 203 trend, can make the weight difference minimizing that every fixed point of forming platform 1 supported, thereby guarantee to print in-process forming platform 1's stability.

Preferably, the platform stay 3 has two total, and the two ends of the platform stay 3 are respectively fixed at the bottom of the two cross rods 201 through bolts, so that the two cross rods 201 form a rectangular frame, and the two ends of the supporting frame 2 are conveniently arranged on the platform stay 3, so that the supporting frame 2 and the forming platform 1 above the supporting frame are driven by the platform stay 3 to stably lift along the Z axis.

Preferably, each platform stay 3 is provided with two guide sleeves 302 and one screw-nut 301, the screw-nut 301 is located in the middle of the platform stay 3, the guide sleeves 302 are symmetrically distributed on two sides of the screw-nut 301, so that the platform stay 3 can be vertically and slidably mounted on a guide post of a Z-axis of a printer through the guide sleeves 302, the two guide sleeves 302 can limit the direction of the platform stay 3, the platform stay 3 is prevented from twisting in the up-and-down moving process, the screw-nut 301 is used for realizing the connection of the platform stay 3 and a screw rod of the Z-axis of the printer, so that when the screw rod rotates, the platform stay 3 is driven to move up and down through the screw-nut 301, and finally, the lifting of the forming platform 1 is realized.

Adopt above-mentioned structure, forming platform 1 is installed through the bolt on braced frame 2, thereby pass through braced frame 2 is right forming platform 1 supports, because braced frame 2 wholly adopts the aluminium alloy concatenation to form, not only light in weight, intensity is high moreover, is enough to support forming platform 1 uses for a long time and indeformable, simultaneously also greatly reduced the motion load of printer Z axle to improve the use of printer and experience, level forming platform 1 can guarantee the roughness of printing the model bottom, avoids appearing the bending deformation problem.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a 3D prints shaping platform fixing device which characterized in that: the forming platform comprises a supporting frame for supporting the bottom of the forming platform, wherein the supporting frame is H-shaped and is formed by splicing aluminum profiles, and the forming platform is fixedly arranged on the supporting frame through bolts;

2. The 3D printing and forming platform fixing device according to claim 1, wherein: the supporting frame comprises transverse rods, longitudinal rods and connecting angle codes, the transverse rods and the longitudinal rods are respectively provided with two transverse rods and two longitudinal rods which are arranged in parallel, the longitudinal rods are perpendicularly connected between the transverse rods and form the supporting frame of an H-shaped structure, and the end parts of the longitudinal rods are fixedly connected with the transverse rods through the connecting angle codes.

3. The 3D printing and forming platform fixing device according to claim 2, wherein: the aluminium alloy specification that the horizontal pole used is 4080, the aluminium alloy specification that the vertical pole used is 4040, just the horizontal pole with the back is connected to the vertical pole, the equal parallel and level of upper surface and lower surface between them.

4. The 3D printing and forming platform fixing device according to claim 3, wherein: and a fan-shaped reinforcing plate is connected between the two right-angle edges of the corner connector.

5. The 3D printing and forming platform fixing device according to claim 4, wherein: the forming platform is provided with a plurality of bolt mounting holes connected with the supporting frame, the bolt mounting holes are countersunk holes and are uniformly distributed along the moving direction of the transverse rods and the longitudinal rods.

6. The 3D printing and forming platform fixing device according to claim 5, wherein: the number of the platform supporting strips is two, and two ends of the platform supporting strips are fixed to the bottoms of the two cross rods through bolts respectively, so that a rectangular frame is formed by the platform supporting strips and the two cross rods.

7. The 3D printing and forming platform fixing device according to claim 6, wherein: each platform stay is provided with two guide sleeves and a screw nut, the screw nut is positioned in the middle of the platform stay, and the guide sleeves are symmetrically distributed on two sides of the screw nut.