CN111497245B

CN111497245B - From heat dissipation type 3D printing material tray

Info

Publication number: CN111497245B
Application number: CN202010332848.XA
Authority: CN
Inventors: 施卫平
Original assignee: Huzhou Yiyuan Technology Development Co ltd
Current assignee: Huzhou Yiyuan Technology Development Co.,Ltd.
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-10-26
Anticipated expiration: 2040-04-24
Also published as: CN111497245A

Abstract

The invention discloses a self-heat-dissipation type material tray for 3D printing, which comprises a tray body, wherein the wall of the tray body is provided with a plurality of heat dissipation mechanisms, each heat dissipation mechanism comprises a heat transfer seat, the heat transfer seats are fixedly connected to the lower wall of the tray body, the lower wall of each heat transfer seat is fixedly connected with two mounting plates, the lower walls of the two mounting plates are fixedly connected with a base together, the opposite side walls of the two mounting plates are rotatably connected with a rotating shaft through bearings, the side walls of the rotating shaft are symmetrically provided with two mounting rods, the tail ends of the two mounting rods are fixedly connected with heat dissipation tiles, adjusting cavities are arranged in the two heat dissipation tiles, the inner walls of the adjusting cavities are fixedly connected with fixed blocks, the side walls of the fixed blocks are elastically connected with sliding plugs through springs, the sliding plugs and the fixed blocks are axially symmetrical along the central axes of the adjusting cavities, and the quality of the sliding plugs and the fixed blocks is equal. The invention can automatically radiate the tray when the temperature of the tray rises, and the invention saves electric energy and does not generate noise.

Description

From heat dissipation type 3D printing material tray

Technical Field

The invention relates to the technical field of 3D printing equipment, in particular to a self-heat-dissipation type material tray for 3D printing.

Background

Along with the continuous development of science and technology, the application of 3D printing technique is also more and more extensive, and 3D printing technique is one of rapid prototyping technique, and at the in-process that 3D printed, the material that 3D printed is generally formed by resin and other material mixture, when using, generally places these materials in special tray, but current tray has some weak point:

1. in the 3D printing process, a large amount of heat is generated when the 3D printer works, so that the temperature in the tray can be increased, and materials such as resin and the like are easily in a sticky state at high temperature, so that the printed result is very sticky, the shape cannot be fixed, the deformation is easy, and the 3D printing result is influenced;

2. if heat abstractor such as at inside heat abstractor such as setting up the fan of 3D printer dispels the heat in to the tray, still need external power supply, moreover, these circuit components also can produce a large amount of heats at the during operation, and the radiating effect is not obvious, moreover, still can produce very big noise when using, influences people's use.

Therefore, a self-heat dissipation type 3D printing material tray needs to be designed to solve the above problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a self-heat-dissipation type 3D printing material tray.

In order to achieve the purpose, the invention adopts the following technical scheme:

a self-heat-dissipation type material tray for D printing comprises a tray body, wherein a plurality of heat dissipation mechanisms are arranged on the wall of the tray body, each heat dissipation mechanism comprises a heat transfer seat, the heat transfer seats are fixedly connected to the lower wall of the tray body, the lower wall of each heat transfer seat is fixedly connected with two mounting plates, the lower walls of the two mounting plates are fixedly connected with a base together, opposite side walls of the two mounting plates are rotatably connected with a rotating shaft through bearings, the side walls of the rotating shaft are symmetrically provided with two mounting rods, the tail ends of the two mounting rods are fixedly connected with heat dissipation tiles, adjusting cavities are arranged in the two heat dissipation tiles, fixed blocks are fixedly connected to the inner walls of the adjusting cavities, the side walls of the fixed blocks are elastically connected with sliding plugs through springs, the sliding plugs and the fixed blocks are axially symmetrical along the central axes of the adjusting cavities, the quality of the sliding plugs and the fixed blocks is equal, and thermal expansion media are filled between the sliding plugs and the fixed blocks, the side wall of the adjusting cavity close to one end of the sliding plug is communicated with the outside through an exhaust passage, the upper wall of the base is provided with an arc-shaped groove matched with the heat dissipation tiles, and the inner wall of the arc-shaped groove is fixedly connected with a plurality of heat dissipation fins.

Preferably, the lower wall of the heat transfer seat is provided with a groove matched with the heat dissipation tile.

Preferably, normally, the center of gravity of the heat dissipating tile is located at the geometric center.

The invention has the following beneficial effects:

1. compared with the prior art, the heat dissipation device is provided with the heat dissipation mechanism, the expansion and contraction medium is expanded through high temperature generated in the 3D printing process, the sliding plug is pushed to move, the center of gravity of the heat dissipation tile at the upper end is shifted, the heat dissipation tile is driven to rotate, and the heat dissipation tile is dissipated through the heat dissipation fins, so that the periodic heat absorption-heat release process is realized;

2. compared with the prior art, the heat dissipation process of the invention does not need an external power supply, saves electric energy, does not generate noise and is convenient for people to use.

Drawings

Fig. 1 is a schematic structural diagram of a self-heat dissipation type 3D printing material tray according to the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

fig. 3 is an enlarged view of a structure at a position B of the self-heat-dissipation 3D printing material tray provided by the invention.

In the figure: the heat dissipation device comprises a plate body 1, a base 2, a mounting plate 3, a heat transfer seat 4, a mounting rod 5, a rotating shaft 6, a heat dissipation tile 7, an expansion and contraction medium 8, an exhaust passage 9, an adjusting cavity 10, a sliding plug 11, a spring 12, a fixed block 13, a heat dissipation fin 14 and an arc-shaped groove 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a from heat dissipation type 3D printing and use material tray, including

disk body

1, 1 wall of disk body is equipped with a plurality of heat dissipation mechanisms, heat dissipation mechanism includes heat transfer seat 4, heat transfer seat 4 fixed connection is at 1 lower wall of disk body, two mounting panels 3 of 4 lower wall fixedly connected with of heat transfer seat, the common fixedly connected with base 2 of two mounting panels 3 lower walls, the relative lateral wall of two mounting panels 3 rotates through the bearing and is connected with

pivot

6, 6 lateral walls of pivot are symmetrical to be equipped with two

installation poles

5, 5 terminal fixedly connected with bases of two installation polesEqual fixedly connected with heat dissipation tile 7, the lateral wall of heat dissipation tile 7 is the cambered surface, 4 lower walls of heat transfer seat are equipped with the recess that matches with heat dissipation tile 7, two inside regulation chambeies 10 that all are equipped with of heat dissipation tile 7, adjust 10 inner wall fixedly connected with fixed block 13 in chamber, 13 lateral walls of fixed block have plug 11 through spring 12 elastic connection, plug 11 with adjust 10 inner wall sealing sliding connection in chamber, plug 11 becomes axisymmetric along the axis of adjusting chamber 10 with fixed block 13, and plug 11 equals with fixed block 13 quality, it has expend with heat and contract with cold medium 8 to fill between plug 11 and the fixed block 13, expend with heat and contract with cold medium 8 by the material that is heated easy to expand, can be CO₂、N₂And the side wall of the adjusting cavity 10 close to one end of the sliding plug 11 is communicated with the outside through the exhaust passage 9, so that the sliding plug 11 can be smoothly moved, under the normal condition, the gravity center of the heat dissipation tile 7 is located at the geometric center, namely, the stress on two sides of the heat dissipation tile 7 is balanced, the upper wall of the base 2 is provided with an arc-shaped groove 15 matched with the heat dissipation tile 7, and the inner wall of the arc-shaped groove 15 is fixedly connected with a plurality of heat dissipation fins 14.

In the invention, the device does not work under normal temperature, when the printer is used, the temperature rises, the heat transfer seat 4 transfers high temperature to the heat dissipation tile 7 close to the heat transfer seat, the heat dissipation tile 7 starts to be heated, so that the expansion and contraction medium 8 is heated and expanded, the sliding plug 11 is pushed to move, after the sliding plug 11 moves, the gravity center of the heat dissipation tile 7 shifts, so that the heat dissipating tiles 7 located at the upper end are rotated to the lower end, the heat dissipating tiles 7 located at the lower end are rotated to the upper end, and at this time, the heat dissipation tile 7 at the upper end begins to be heated gradually, the heat dissipation tile 7 at the lower end is dissipated by the heat dissipation fins 16, the temperature is reduced gradually, the expansion and contraction medium 8 begins to shrink, the sliding plug 11 returns to the initial position under the action of the tensile force of the spring 12, the expansion and contraction medium 8 in the heat dissipation tile 7 at the upper end is heated and expanded again, the operation is repeated, the heat dissipation tile 7 continuously rotates, and the periodic heat absorption-heat release process is achieved.

It is worth noting that when the temperature of the tray is too high, the heating time of the heat dissipation tile 7 is short, the shorter the rotation cycle time is, the faster the rotation speed is, and when the temperature of the tray is lower, the longer the heating time of the heat dissipation tile 7 is, the longer the rotation cycle is, the slower the rotation speed is, so that the invention can automatically adjust the rotation speed according to the temperature of the tray during working, and further adjust the heat dissipation speed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a from heat dissipation type 3D prints and uses material tray, includes disk body (1), its characterized in that: the wall of the tray body (1) is provided with a plurality of heat dissipation mechanisms, each heat dissipation mechanism comprises a heat transfer seat (4), the heat transfer seats (4) are fixedly connected to the lower wall of the tray body (1), the lower wall of each heat transfer seat (4) is fixedly connected with two mounting plates (3), the lower walls of the two mounting plates (3) are fixedly connected with a base (2) together, the opposite side walls of the two mounting plates (3) are rotatably connected with a rotating shaft (6) through bearings, the side walls of the rotating shaft (6) are symmetrically provided with two mounting rods (5), the tail ends of the two mounting rods (5) are fixedly connected with heat dissipation tiles (7), two heat dissipation tiles (7) are internally provided with adjusting cavities (10), the inner walls of the adjusting cavities (10) are fixedly connected with fixing blocks (13), the side walls of the fixing blocks (13) are elastically connected with sliding plugs (11) through springs (12), and the sliding plugs (11) and the fixing blocks (13) are axisymmetric along the central axis of the adjusting cavities (10), and sliding plug (11) and fixed block (13) quality equals, it has expend with heat and contract with cold medium (8) to fill between sliding plug (11) and fixed block (13), the lateral wall that adjusts chamber (10) and is close to sliding plug (11) one end passes through exhaust passage (9) and communicates with the external world, base (2) upper wall is equipped with arc wall (15) with heat dissipation tile (7) matching, a plurality of radiating fin (16) of arc wall (15) inner wall fixedly connected with.

2. The self-heat-dissipation type 3D printing material tray as claimed in claim 1, wherein: the lower wall of the heat transfer seat (4) is provided with a groove matched with the heat dissipation tile (7).

3. The self-heat-dissipation type 3D printing material tray as claimed in claim 1, wherein: normally, the heat dissipating tile (7) has a center of gravity at the geometric center.