CN216100440U

CN216100440U - 3D printer

Info

Publication number: CN216100440U
Application number: CN202121669716.2U
Authority: CN
Inventors: 黄立涛; 刘传锴
Original assignee: Shenzhen Anycubic Technology Co Ltd
Current assignee: Shenzhen Anycubic Technology Co Ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-03-22
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a 3D printer, relates to the technical field of printing equipment, and mainly aims to reduce the temperature of a motor, avoid scalding accidents, improve the stability of the working performance of the motor and prolong the service life of the motor. The main technical scheme of the utility model is as follows: this 3D printer includes: a frame including a connection face; the motor is connected with the rack; the heat conducting piece is connected between the connecting surface and the motor, so that heat emitted by the motor is transmitted to the rack through the heat conducting piece.

Description

3D printer

Technical Field

The utility model relates to the technical field of printing equipment, in particular to a 3D printer.

Background

A 3D (3-dimension) printer, also known as a three-dimensional printer, is a machine based on rapid prototyping technology, which uses a digital model file as a basis to manufacture a three-dimensional object by printing layers of adhesive material, such as powdered metal or plastic.

The 3D printer usually includes the motor that is used for driving devices such as print head to remove, because the motor can produce certain heat in the use, and after the long time use, the heat can rise along with it, if the user touches the motor carelessly in the use, scald the accident easily takes place.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a 3D printer, which mainly aims to reduce the temperature of a motor and avoid scalding accidents.

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

an embodiment of the present invention provides a 3D printer, including: a frame including a connection face;

the motor is connected with the rack;

the heat conducting piece is connected between the connecting surface and the motor, so that heat emitted by the motor is transmitted to the rack through the heat conducting piece.

Further, the motor comprises a heating surface, and the heating surface is arranged opposite to the connecting surface;

the heat conducting member is connected between the heat generating surface and the connecting surface.

Further, the outline shape of the heat conducting piece is matched with the outline shape of the heating surface, and the heat conducting piece covers the whole heating surface.

Further, the heat generating surface is parallel to a driving shaft of the motor.

Further, the heat conducting piece comprises a heat conducting silica gel sheet, the heat conducting silica gel sheet comprises a first surface and a second surface which are opposite, the first surface is pasted on the connecting surface, and the second surface is pasted on the heating surface.

Further, the heat conductive member further includes a first adhesive layer and a second adhesive layer;

the first surface is pasted on the connecting surface through the first bonding layer, and the second surface is pasted on the heating surface through the second bonding layer.

Further, the number of the connecting surfaces is multiple;

the number of the motors is multiple, and the number of the heating surfaces of each motor is multiple;

one or more heating surfaces of each motor are arranged opposite to one or more connecting surfaces in a one-to-one correspondence manner.

Further, the heat conducting piece further comprises a heat pipe, and the heat pipe penetrates through the heat conducting silica gel sheet and is connected with the connecting surface.

Furthermore, a groove is arranged on the connecting surface, and the inner wall of the groove forms part of the connecting surface;

the heat conducting silica gel sheet and the heat pipe are positioned in the groove.

Furthermore, the number of the heat pipes is multiple, and the heat pipes are arranged at intervals along the width direction or the length direction of the heat-conducting silica gel sheet;

the 3D printer still beats printer head, the frame includes the bracing piece that sets up on base and the base, the bracing piece with beat printer head and connect, include on the bracing piece connect the face.

By means of the technical scheme, the utility model at least has the following beneficial effects:

according to the 3D printer provided by the embodiment of the utility model, the heat conducting piece is connected between the connecting surface of the motor and the rack, so that the heat conducting piece can transmit the heat emitted by the motor to the rack, and the rack absorbs and radiates the heat.

Drawings

Fig. 1 is a schematic structural diagram of a 3D printer at a first viewing angle according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a 3D printer at a second viewing angle according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a connection between a motor and a heat-conducting member in a 3D printer according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a connection between a motor and a connection surface of a frame and a heat conducting member in a 3D printer according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the utility model. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model. 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. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In the description of the present embodiment, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present embodiment.

As shown in fig. 1, 2 and 3, an embodiment of the present invention provides a 3D printer, including a chassis 1, where the chassis 1 includes a connection surface 11; the motor 2 is connected with the rack 1, and specifically, the motor 2 can be connected with the rack 1 through a motor fixing support 4, so that the motor 2 is fixed on the rack 1; the heat conducting member 3 is connected between the connecting surface 11 and the motor 2, so that heat generated by the motor 2 is transferred to the frame 1 through the heat conducting member 3. The rack 1 may include an aluminum profile and a sheet metal part which are good in heat dissipation performance and connected, the connection surface 11 may include a surface of the aluminum profile and/or a surface of the sheet metal part, of course, the rack 1 may also include a part made of other materials good in heat dissipation performance, such as a silver part, a copper part and other metal or non-metal materials, and the connection surface 11 may include a surface of the silver part and/or a surface of the copper part and/or a surface of the aluminum profile and/or a surface of the sheet metal part and the like.

In the embodiment of the present invention, referring to fig. 1 and 2, the motor 2 includes a heating surface 21, and the heating surface 21 is disposed opposite to the connection surface 11; the heat-conducting member 3 is connected between the heat-generating surface 21 and the connection surface 11.

In the above embodiment, the heating surface 21 may be a side surface, a bottom surface, or a top surface of the motor 2, after the motor 2 is connected to the frame 1, a portion of the frame 1 close to the motor 2 may be opposite to the side surface, the bottom surface, or the top surface of the motor 2, and the portion of the frame 1 may be used as the connecting surface 11 for installing the heat conducting member 3, so as to facilitate installation of the heat conducting member 3, avoid interference of the heat conducting member 3 on other components of the printer when the heat conducting member 3 is installed at other positions, and further facilitate the heat conducting member 3 to transfer heat of the motor 2 to the frame 1.

In the embodiment of the utility model, referring to fig. 3, the outline shape of the heat conducting member 3 is matched with the outline shape of the heating surface 21, and the heat conducting member 3 covers the whole heating surface 21, so that each part of the heating surface 21 can be contacted with the heat conducting member 3, thereby realizing that heat emitted by each part of the heating surface 21 can be quickly transferred to the frame 1 through the heat conducting member 3, and further reducing the temperature of the motor 2 better.

In the embodiment of the present invention, the heat generating surface 21 is parallel to the driving shaft of the motor 2. Under the general condition, the face parallel with the drive shaft on motor 2, the calorific capacity of its side is great promptly, and the temperature is higher, easily takes place to scald the accident, connects heat-conducting member 3 between higher face of temperature and frame 1, more is favorable to reducing motor 2's temperature.

In the embodiment of the present invention, referring to fig. 1, the heat conducting member 3 may include a heat conducting silicone sheet 31, and the heat conducting silicone sheet 31 includes a first surface and a second surface opposite to each other, the first surface is adhered to the connecting surface 11, and the second surface is adhered to the heating surface 21.

The heat-conducting silica gel sheet is a high-end heat-conducting compound, is flexible, can avoid risks such as short circuit of a circuit due to the characteristic of no electricity conduction, has excellent cold-heat exchange resistance, aging resistance and electric insulation, and also has certain viscosity and flexibility. In the above embodiment, the heat-conducting silica gel sheet 31 is connected between the heating surface 21 and the connecting surface 11, and is used for transferring the heat of the motor 2 to the frame 1, so that the heat transfer effect can be ensured; moreover, because the heat-conducting silica gel sheet 31 has certain flexibility, the heat-conducting silica gel sheet can be well attached between the motor 2 and the rack 1, so that the purpose of heat conduction is better realized, the temperature of the motor 2 is further better reduced, and the shock absorption of the motor 2 can be realized.

In order to improve the mounting stability of the heat-conducting member 3, in the embodiment of the present invention, the heat-conducting member 3 may further include a first adhesive layer and a second adhesive layer; the first surface is pasted in connecting face 11 through first tie coat, and the second surface is pasted in the face 21 that generates heat through the second adhesive layer, that is to say, can be for 31 gum of heat conduction silica gel piece to it is more firm that heat-conducting member 3 can be connected with motor 2 and frame 1, thereby improves the installation stability of heat-conducting member 3. Wherein, first binder layer and second binder layer all can be for glue layer etc. have better viscidity and the better material layer of heat conductivity to make heat-conducting member 3 can be connected more firmly with motor 2 and frame 1.

In the embodiment of the present invention, the number of the connection surfaces 11 may be plural; the number of the motors 2 can be multiple, and the number of the heating surfaces 21 of each motor 2 is multiple; the one or more heat generating surfaces 21 of each motor 2 are disposed opposite to the one or more connection surfaces 11 in a one-to-one correspondence.

Since the 3D printer generally requires multi-dimensional movement to print, the 3D printer generally includes a plurality of motors 2, each motor 2 generates heat during operation, and the heating surface 21 of each motor 2 is also multiple. Such as a motor 2 driving the movement of the print head. In the above embodiment, the number of the connecting surfaces 11 is set to be a plurality of, and one or more heating surfaces 21 of each motor 2 and one or more connecting surfaces 11 are arranged in a one-to-one correspondence manner, so that each motor 2 can transmit heat to the rack 1 through the corresponding heat conducting members 3, thereby achieving the purpose that the heat of all the motors 2 can be reduced, and better avoiding scalding accidents.

In the embodiment of the present invention, referring to fig. 4, the heat conducting member 3 may further include a heat pipe 32, and the heat pipe 32 is disposed through the heat conducting silicone sheet 31 and connected to the connecting surface 11.

In the above embodiment, since the heat pipe 32 is a good heat transfer element, the heat pipe 32 is disposed through the heat-conducting silicone sheet 31, and the heat pipe 32 is connected to the connecting surface 11, so that the heat pipe 32 can be matched with the heat-conducting silicone sheet 31, the heat can be rapidly conducted to the rack 1, the heat conduction effect of the heat-conducting member 3 is improved, and the temperature of the motor 2 is better reduced.

In the embodiment of the present invention, referring to fig. 4, a groove 111 may be disposed on the connection surface 11, and an inner wall of the groove 111 forms a part of the connection surface 11; the heat conductive silicone sheet 31 and the heat pipe 32 are located in the groove 111. In this embodiment, since the heat-conductive silicone sheet 31 and the heat pipe 32 are located in the groove 111, the heat-conductive silicone sheet 31 and the heat pipe 32 do not interfere with other components of the printer, and the normal operation of the heat-conductive member 3 and the other components is ensured.

In the embodiment of the present invention, the number of the heat pipes 32 may be multiple, and the multiple heat pipes 32 may be arranged at intervals along the width direction or the length direction of the heat-conducting silicone sheet 31, so that the heat-conducting member can more rapidly conduct heat to the rack 1, and the heat-conducting effect of the heat-conducting member 3 is further improved, thereby better reducing the temperature of the motor 2.

Optionally, the 3D printer further includes a print head, the frame 1 includes a base 12 and a support rod 13 disposed on the base 12, the support rod 13 is connected to the print head, for example, the print head can slide on the support rod 13, and the support rod 13 includes a connection surface 11.

In the embodiment of the utility model, the 3D printer comprises a frame 1, wherein the frame 1 comprises a connecting surface 11; the motor 2 is connected with the frame 1; the heat conducting member 3 is connected between the connecting surface 11 and the motor 2, so that heat generated by the motor 2 is transferred to the frame 1 through the heat conducting member 3. The motor 2 comprises a heating surface 21, and the heating surface 21 is arranged opposite to the connecting surface 11; the heat-conducting member 3 is connected between the heat-generating surface 21 and the connection surface 11. The heat-conducting member 3 has a contour shape matching the contour shape of the heat-emitting surface 21, and the heat-conducting member 3 covers the entire heat-emitting surface 21. The heating surface 21 is parallel to the drive shaft of the motor 2. The heat conducting member 3 includes a heat conducting silicone sheet 31, and the heat conducting silicone sheet 31 includes a first surface and a second surface opposite to each other, the first surface is adhered to the connecting surface 11, and the second surface is adhered to the heating surface 21. The heat conductive member 3 further includes a first adhesive layer and a second adhesive layer; the first surface is attached to the connection surface 11 by a first adhesive layer, and the second surface is attached to the heating surface 21 by a second adhesive layer. The number of the connecting surfaces 11 is plural; the number of the motors 2 is multiple, and the number of the heating surfaces 21 of each motor 2 is multiple; the one or more heat generating surfaces 21 of each motor 2 are disposed opposite to the one or more connection surfaces 11 in a one-to-one correspondence. The heat conducting member 3 further includes a heat pipe 32, and the heat pipe 32 is disposed through the heat conducting silicone sheet 31 and connected to the connecting surface 11. A groove 111 is arranged on the connecting surface 11, and the inner wall of the groove 111 forms part of the connecting surface 11; the heat conductive silicone sheet 31 and the heat pipe 32 are located in the groove 111. The number of the heat pipes 32 is plural, and the plural heat pipes 32 are arranged at intervals in the width direction or the length direction of the heat conductive silicone rubber sheet 31. The 3D printer still includes and beats the head, and frame 1 includes the bracing piece 13 that sets up on base 12 and the base 12, and bracing piece 13 is connected with beating the head, including connecting face 11 on the bracing piece 13.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A3D printer, comprising:

a frame (1), said frame (1) comprising a connection face (11);

the motor (2), the said motor (2) is connected with said framework (1);

the heat conducting piece (3) is connected between the connecting surface (11) and the motor (2) so that heat emitted by the motor (2) is transferred to the rack (1) through the heat conducting piece (3).

2. The 3D printer of claim 1,

the motor (2) comprises a heating surface (21), and the heating surface (21) is arranged opposite to the connecting surface (11);

the heat-conducting element (3) is connected between the heating surface (21) and the connection surface (11).

3. The 3D printer of claim 2,

the heat conducting member (3) has a contour shape matched with the contour shape of the heating surface (21), and the heat conducting member (3) covers the entire heating surface (21).

4. The 3D printer of claim 2,

the heating surface (21) is parallel to the driving shaft of the motor (2).

5. The 3D printer of claim 2,

the heat conducting piece (3) comprises a heat conducting silica gel sheet (31), the heat conducting silica gel sheet (31) comprises a first surface and a second surface which are opposite, the first surface is pasted on the connecting surface (11), and the second surface is pasted on the heating surface (21).

6. The 3D printer of claim 5,

the heat-conducting member (3) further comprises a first adhesive layer and a second adhesive layer;

the first surface is adhered to the connection surface (11) through the first adhesive layer, and the second surface is adhered to the heating surface (21) through the second adhesive layer.

7. The 3D printer of claim 2,

the number of the connecting surfaces (11) is multiple;

the number of the motors (2) is multiple, and the number of the heating surfaces (21) of each motor (2) is multiple;

one or more heating surfaces (21) of each motor (2) are arranged opposite to one or more connecting surfaces (11) in a one-to-one correspondence manner.

8. The 3D printer of claim 5,

the heat conducting piece (3) further comprises a heat pipe (32), and the heat pipe (32) penetrates through the heat conducting silica gel sheet (31) and is connected with the connecting surface (11).

9. The 3D printer of claim 8,

a groove (111) is formed in the connecting surface (11), and the inner wall of the groove (111) forms part of the connecting surface (11);

the heat-conducting silica gel sheet (31) and the heat pipe (32) are positioned in the groove (111).

10. The 3D printer of claim 8,

the number of the heat pipes (32) is multiple, and the heat pipes (32) are arranged at intervals along the width direction or the length direction of the heat-conducting silica gel sheet (31);

the 3D printer still includes and beats printer head, frame (1) include base (12) with bracing piece (13) that set up on base (12), bracing piece (13) with it connects to beat printer head, include on bracing piece (13) connect face (11).