CN216941843U

CN216941843U - Electric heating aluminum plate of 3D printer

Info

Publication number: CN216941843U
Application number: CN202220704076.2U
Authority: CN
Inventors: 赵凡
Original assignee: Qiaoyu Technology Shanghai Co ltd
Current assignee: Qiaoyu Technology Shanghai Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-07-12
Anticipated expiration: 2032-03-29

Abstract

An electric heating aluminum plate of a 3D printer comprises a bottom plate; a cooling mechanism is fixedly arranged in the middle of the top surface of the bottom plate; a supporting plate is vertically and fixedly connected to the edge of the top surface of the bottom plate; the top end of the supporting plate is fixedly connected with a heating pool; the top end surface of the heating tank is fixedly connected with an aluminum plate in a sealing way; a first liquid heat-conducting medium is filled in the heating tank; the bottom surface of the heating pool is fixedly provided with a heating component and a stirring component; the inner cavity of the heating pool is communicated with the cooling mechanism; according to the utility model, the heat emitted by the electric heating wire is transferred to the aluminum plate through the liquid heat-conducting medium and is assisted by the stirring device, so that the aluminum plate can be heated more uniformly, and the printing quality is ensured; after printing is completed, the cooling speed of the aluminum plate is increased, printed objects can be taken away from the aluminum plate more quickly, and the working efficiency is improved.

Description

Electric heating aluminum plate of 3D printer

Technical Field

The utility model relates to the technical field of 3D printers, in particular to an electric heating aluminum plate of a 3D printer.

Background

3D printing is a rapid prototyping technology, which is a technology for constructing an object by using a bondable material such as powdered metal or plastic and the like in a layer-by-layer printing mode on the basis of a digital model file; need heat the aluminum plate who plays the bearing effect when using the 3D printer, because powdered metal or plastics are in the molten state of high temperature when being printed out, if aluminum plate's temperature is low, then the condition such as the limit of can appearing warping, influence printing quality.

The existing electric heating aluminum plate usually adopts a heating wire to heat the aluminum plate directly; however, the heating is not uniform, the temperature of the part close to the heating wire is high, and the printing quality is also affected by the heating wire with a longer distance; in addition, after the heating is finished, the temperature of the aluminum plate cannot be quickly reduced, so that the taking of printed objects is delayed, and even a user can be scalded.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric heating aluminum plate for a 3D printer, which aims to solve the problems in the prior art.

An electric heating aluminum plate for a 3D printer comprises a bottom plate; a cooling mechanism is fixedly arranged in the middle of the top surface of the bottom plate; a supporting plate is vertically and fixedly connected to the edge of the top surface of the bottom plate; the top end of the supporting plate is fixedly connected with a heating pool; the top end surface of the heating tank is fixedly connected with an aluminum plate in a sealing way; a first liquid heat-conducting medium is filled in the heating pool; the bottom surface of the heating pool is fixedly provided with a heating component and a stirring component; the inner cavity of the heating pool is communicated with the cooling mechanism.

Preferably, the cooling mechanism comprises a first tank body and a second tank body which are fixedly arranged on the top surface of the bottom plate; a first pump is fixedly arranged on the top surface of the first tank body; the inlet end of the first pump is communicated with the inner cavity of the first tank body through a first suction pipe; the outlet end of the first pump is communicated with the inner cavity of the heating pool through a first conduit; the inner cavity of the second tank body is communicated with the inner cavity of the heating pool through a connecting pipe; an electric valve is arranged on the connecting pipe; a second pump is fixedly arranged on the top surface of the second tank body; the inlet end of the second pump is communicated with the inner cavity of the second tank body through a second suction pipe; the outlet end of the second pump is communicated with the inner cavity of the first tank body through a second conduit; and a second liquid heat-conducting medium is filled in the first tank body.

Preferably, the heating assembly comprises an insulating heat-conducting plate fixedly connected to the bottom surface of the heating pool; the insulating heat conducting plate is filled with heating wires.

Preferably, the stirring assembly comprises a driving motor fixedly installed in the middle of the bottom surface of the heating tank; an output shaft of the driving motor vertically penetrates through the bottom surface of the heating pool upwards and is fixedly provided with a paddle.

Preferably, the side walls of the aluminum plate and the heating tank are fixedly connected with heat insulation plates along the circumferential direction.

Preferably, a temperature sensor is fixedly mounted at the edge of the top surface of the aluminum plate.

Preferably, a plurality of radiating fins are fixedly connected to the outer wall of the second tank body.

The utility model discloses the following technical effects:

1. according to the utility model, the heat emitted by the electric heating wire is transferred to the aluminum plate through the liquid heat-conducting medium and is assisted by the stirring device, so that the aluminum plate can be heated more uniformly, and the printing quality is ensured.

2. According to the utility model, after printing is finished, the cooling speed of the aluminum plate is increased, printed objects can be taken away from the aluminum plate more quickly, and the working efficiency is improved.

Drawings

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

FIG. 1 is a top view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention.

Wherein:

1. a base plate; 2. a support plate; 3. a heating tank; 4. an aluminum plate; 5. a first liquid heat-conducting medium; 6. a first tank; 7. a second tank; 8. a first pump; 9. a first straw; 10. a first conduit; 11. a connecting pipe; 12. a second pump; 13. a second straw; 14. a second conduit; 15. a second liquid heat transfer medium; 16. an electric heating wire; 17. an insulating heat-conducting plate; 18. an electrically operated valve; 19. a drive motor; 20. a paddle; 21. a heat insulation plate; 22. a temperature sensor; 23. and a heat sink.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1-2, a 3D printer electrical heating aluminum plate includes a base plate 1; a cooling mechanism is fixedly arranged in the middle of the top surface of the bottom plate 1; a supporting plate 2 is vertically and fixedly connected with the edge of the top surface of the bottom plate 1; the top end of the supporting plate 2 is fixedly connected with a heating pool 3; the top end surface of the heating pool 3 is fixedly connected with an aluminum plate 4 in a sealing way; the heating pool 3 is filled with a first liquid heat-conducting medium 5; the bottom surface of the heating pool 3 is fixedly provided with a heating component and a stirring component; the inner cavity of the heating pool 3 is communicated with the cooling mechanism.

Heating element can heat for

heating pond

3, 3 top surface openings in heating pond, aluminum plate 4 and the inner chamber direct contact who heats pond 3, the heat transfer of heating pond 3 is first liquid heat-conducting medium 5, first liquid heat-conducting medium 5 is used in aluminum plate 4, through such design, can make the more even transmission of heat give aluminum plate 4, under the effect of stirring subassembly, can make first liquid heat-conducting medium 5 flow, make the abundant exchange transmission of heat, the temperature of first liquid heat-conducting medium 5 will be more even like this, after printing, can utilize cooling mechanism to cool down aluminum plate 4, and then can take off the article that has printed fast.

In a further optimized scheme, the cooling mechanism comprises a first tank body 6 and a second tank body 7 which are fixedly arranged on the top surface of the bottom plate 1; a first pump 8 is fixedly arranged on the top surface of the first tank body 6; the inlet end of the first pump 8 is communicated with the inner cavity of the first tank 6 through a first suction pipe 9; the outlet end of the first pump 8 is communicated with the inner cavity of the heating pool 3 through a first conduit 10; the inner cavity of the second tank body 7 is communicated with the inner cavity of the heating pool 3 through a connecting pipe 11; an electric valve 18 is arranged on the connecting pipe 11; a second pump 12 is fixedly arranged on the top surface of the second tank 7; the inlet end of the second pump 12 is communicated with the inner cavity of the second tank 7 through a second suction pipe 13; the outlet end of the second pump 12 is communicated with the inner cavity of the first tank 6 through a second conduit 14; the first tank 6 is filled with a second liquid heat-conducting medium 15.

The second liquid heat-conducting medium 15 in the first tank 6 is in a normal temperature state, and after printing is finished, the electric valve 18 is opened, so that the first liquid heat-conducting medium 5 with high temperature in the heating pool 3 enters the second tank 7 through the connecting pipe 11 for storage; the connecting pipe 11 is vertically arranged, and the top end of the connecting pipe penetrates through the bottom surface of the heating pool 3 and is flush with the bottom surface of the inner cavity of the heating pool 3, so that the liquid in the heating pool 3 can be ensured to completely flow into the second tank body 7; after the liquid in the heating pool 3 completely flows into the second tank 7, the first pump 8 is started to pour the second liquid heat-conducting medium 15 in the first tank 6 into the heating pool 3, so that the aluminum plate 4 can be cooled to a certain degree, the first suction pipe 9 extends into the bottom of the inner cavity of the first tank 6, and the second liquid heat-conducting medium 15 can be fully guided into the heating pool 3; the first liquid heat-conducting medium 5 in the second tank 7 is slowly cooled, and is guided into the first tank 6 by the second pump 12 after being cooled to normal temperature, and the next cooling is waited for, and the circulation is repeated; the electric valve 18, the first pump 8 and the second pump 12 are all electrically connected with an external power supply; the volume of the first tank body 6 is equal to that of the second tank body 7, and the volumes of the first tank body and the second tank body are both larger than the container of the heating pool 3, so that the heating pool 3 can be filled with heat-conducting media.

In a further optimized scheme, the heating component comprises an insulating heat-conducting plate 17 fixedly connected to the bottom surface of the heating pool 3; the insulating heat conducting plate 17 is filled with a heating wire 16.

The heating wire 16 is connected with an external power supply through a lead (not shown in the figure), and can heat the insulating heat-conducting plate 17, and the insulating heat-conducting plate 17 can further heat the heating pool 3 to prevent electric leakage.

In a further optimized scheme, the stirring component comprises a driving motor 19 fixedly arranged in the middle of the bottom surface of the heating pool 3; an output shaft of the driving motor 19 vertically penetrates the bottom surface of the heating pool 3 upwards and is fixedly provided with a paddle 20.

The driving motor 19 is connected with an external power supply; the driving motor 19 can drive the paddle 20 to rotate, so as to stir the first liquid heat-conducting medium 5.

According to a further optimized scheme, the side walls of the aluminum plate 4 and the heating pool 3 are fixedly connected with a heat insulation plate 21 along the circumferential direction; preventing the edges of the heating bath 3 and the aluminum plate 4 from burning to the user.

In a further optimized scheme, a temperature sensor 22 is fixedly arranged at the edge of the top surface of the aluminum plate 4; the temperature of aluminum plate 4 can be detected, and then the magnitude of input power is controlled to adjust the temperature of aluminum plate 4.

In a further optimized scheme, a plurality of radiating fins 23 are fixedly connected to the outer wall of the second tank 7; the heat sink 23 can dissipate heat of the high-temperature medium in the second tank 7 more quickly.

When the present invention is used, the heating wire 16 is energized and then the driving motor 19 is started, so that the aluminum plate 4 can be uniformly heated; after printing is finished, the electric valve 18 is opened, after the first liquid heat-conducting medium 5 in the heating pool 3 completely flows into the second tank 7, the electric valve 18 is closed, the first pump 8 is started, the second liquid heat-conducting medium 15 is pumped into the heating pool 3, and the aluminum plate 4 is cooled; after the first liquid heat-conducting medium 5 is cooled, the second pump 12 is started to pump the first liquid heat-conducting medium 5 into the first tank 6, and the next cooling operation is waited.

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

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. The utility model provides a 3D printer electrical heating aluminum plate which characterized in that includes: a base plate (1); a cooling mechanism is fixedly arranged in the middle of the top surface of the bottom plate (1); a supporting plate (2) is vertically and fixedly connected to the edge of the top surface of the bottom plate (1); the top end of the supporting plate (2) is fixedly connected with a heating pool (3); an aluminum plate (4) is fixedly connected to the top end face of the heating pool (3) in a sealing manner; a first liquid heat-conducting medium (5) is filled in the heating pool (3); the bottom surface of the heating pool (3) is fixedly provided with a heating component and a stirring component; the inner cavity of the heating pool (3) is communicated with the cooling mechanism.

2. The electrically heated aluminum plate for a 3D printer of claim 1, wherein: the cooling mechanism comprises a first tank body (6) and a second tank body (7) which are fixedly arranged on the top surface of the bottom plate (1); a first pump (8) is fixedly arranged on the top surface of the first tank body (6); the inlet end of the first pump (8) is communicated with the inner cavity of the first tank body (6) through a first suction pipe (9); the outlet end of the first pump (8) is communicated with the inner cavity of the heating pool (3) through a first conduit (10); the inner cavity of the second tank body (7) is communicated with the inner cavity of the heating pool (3) through a connecting pipe (11); an electric valve (18) is arranged on the connecting pipe (11); a second pump (12) is fixedly arranged on the top surface of the second tank body (7); the inlet end of the second pump (12) is communicated with the inner cavity of the second tank body (7) through a second suction pipe (13); the outlet end of the second pump (12) is communicated with the inner cavity of the first tank body (6) through a second conduit (14); and a second liquid heat-conducting medium (15) is filled in the first tank body (6).

3. The electrically heated aluminum plate for a 3D printer according to claim 2, wherein: the heating component comprises an insulating heat-conducting plate (17) fixedly connected to the bottom surface of the heating pool (3); the insulating heat conducting plate (17) is filled with heating wires (16).

4. The electrically heated aluminum plate for a 3D printer of claim 3, wherein: the stirring component comprises a driving motor (19) fixedly arranged in the middle of the bottom surface of the heating pool (3); an output shaft of the driving motor (19) vertically penetrates through the bottom surface of the heating pool (3) upwards and is fixedly provided with a paddle (20).

5. The electrically heated aluminum plate for a 3D printer of claim 1, wherein: and the side walls of the aluminum plate (4) and the heating tank (3) are fixedly connected with a heat insulation plate (21) along the circumferential direction.

6. The electrically heated aluminum plate for a 3D printer of claim 1, wherein: and a temperature sensor (22) is fixedly arranged at the edge of the top surface of the aluminum plate (4).

7. The electrically heated aluminum plate for a 3D printer of claim 2, wherein: the outer wall of the second tank body (7) is fixedly connected with a plurality of radiating fins (23).