CN217290419U

CN217290419U - 3D printer heat abstractor

Info

Publication number: CN217290419U
Application number: CN202220264955.8U
Authority: CN
Inventors: 王超; 魏禹轩; 王琪瑛
Original assignee: Harbin Zengcai Technology Co ltd
Current assignee: Harbin Zengcai Technology Co ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-08-26
Anticipated expiration: 2032-02-09

Abstract

The utility model discloses a 3D printer heat abstractor. The heat dissipation device comprises a heat dissipation shell, wherein the heat dissipation shell is wrapped by a printing head and is installed, the heat dissipation shell is installed in a hollow mode, a liquid inlet channel and a liquid drainage channel are installed on the heat dissipation shell, the liquid inlet channel guides cooling liquid to enter the heat dissipation shell, the liquid drainage channel guides the cooling liquid to be discharged out of the heat dissipation shell, and the liquid inlet channel and the liquid drainage channel are connected with the same cooling liquid circulating pump. The utility model discloses can solve the too high problem of print head cavity temperature.

Description

3D printer heat abstractor

Technical Field

The utility model relates to a 3D prints technical field, concretely relates to 3D printer heat abstractor.

Background

3D printing is one of rapid prototyping technologies, which is a technology for constructing an object by using a bondable material such as powdered metal or plastic and the like and by printing layer by layer on the basis of a digital model file.

Because the nozzle of the printing head is close to the feeding cavity of the printing head, the high temperature of the material during melting is easily transmitted into the printing head cavity through the shell of the printing head, if the temperature of the printing head cavity is too high, the printing material begins to soften at the feeding part of the printing head, so that the feeding precision is influenced and the forming precision of the printer is influenced.

Disclosure of Invention

Not enough to prior art, the utility model discloses a 3D printer heat abstractor can solve the too high problem of print head cavity temperature.

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

the utility model provides a 3D printer heat abstractor, is including the heat dissipation casing, and the installation is beaten to heat dissipation casing parcel, and heat dissipation casing cavity installation installs inlet channel and flowing back passageway at the heat dissipation casing, and inlet channel guide coolant liquid gets into the heat dissipation casing, and flowing back passageway guide coolant liquid discharge heat dissipation casing, and inlet channel and flowing back passageway are connected with same coolant liquid circulating pump.

According to the preferable technical scheme, the heat dissipation shell is provided with connecting holes, the connecting holes penetrate through two ends of the heat dissipation shell to be installed, the printing head penetrates through the connecting holes to be installed, and the inner peripheral side face of each connecting hole is connected with the outer peripheral side face of the printing head. The mounting and dismounting of the printing head and the heat dissipation shell can be assisted through the mounted connecting holes, and the mounting speed and accuracy of the heat dissipation shell relative to the printing head can be improved.

According to the preferable technical scheme, the hole wall of the connecting hole extends towards the outer side of the heat dissipation shell along the axis direction of the connecting hole, the axis direction of the printing head and the axis direction of the connecting hole are overlapped and installed, and the hole wall of the connecting hole is installed in a hollow mode. The connecting area and the heat conduction area of the printing head and the heat dissipation shell can be increased through the extended hole wall, and the heat dissipation effect of the heat dissipation shell on the positioning printing head is favorably improved.

According to the preferable technical scheme, the inner peripheral side face of the connecting hole is provided with an inner thread, the outer peripheral side face of the printing head is provided with an outer thread, and the inner thread is matched with the outer thread and is in threaded connection with the outer thread. Through the cooperation of the internal thread and the external screw thread that form, can help improving and beat the stability that printer head and heat dissipation casing are connected, be favorable to further improving the radiating effect that the printer head was beaten to the location to the heat dissipation casing.

According to the preferable technical scheme, the liquid inlet channel is located one side of the heat dissipation shell and is installed, the liquid discharge channel is located the other side of the heat dissipation shell and is installed, and the liquid inlet channel is communicated with the liquid discharge channel. Through the liquid inlet channel and the liquid discharge channel which are arranged on the two sides of the heat dissipation shell, the cooling liquid can fully exchange heat, and the heat dissipation effect of the heat dissipation shell on the positioning printing head is further improved.

According to the preferable technical scheme, the liquid inlet channel is connected with the cooling liquid circulating pump through one connecting hose, and the liquid discharge channel is connected with the cooling liquid circulating pump through the other connecting hose.

The utility model discloses a 3D printer heat abstractor has following advantage:

the heat dissipation shell is arranged on the outer side of the printing head, so that the printing head can be cooled, the printing head is kept at a proper working temperature, and the feeding precision caused by overhigh temperature of the printing head is prevented from being influenced so as to influence the forming precision of the printer.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below.

It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic diagram of an explosive structure according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the embodiment of the present invention at another viewing angle.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and obviously, the described embodiments are some, but not all embodiments of the present invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-2, an embodiment of the utility model provides a 3D printer heat abstractor, including heat dissipation casing 2, heat dissipation casing 2 parcel beats printer head 1 installation, and 2 cavity of heat dissipation casing are installed inlet channel 21 and flowing back passageway 22 at heat dissipation casing 2, and inlet channel 21 guides the coolant liquid and gets into heat dissipation casing 2, and flowing back passageway 22 guides coolant liquid discharge heat dissipation casing 2, and inlet channel 21 and flowing back passageway 22 are connected with same coolant liquid circulating pump. The cooling liquid circulation pump continuously performs circulation of the cooling liquid to take away heat of the print head 1 through the cooling liquid.

In order to solve the problem of how to improve the mounting speed and accuracy of the heat dissipation housing 2 relative to the print head 1, a connection hole 23 may be formed in the heat dissipation housing 2 by turning, the connection hole 23 penetrates through two ends of the heat dissipation housing 2 so that the print head 1 extends out for printing, the print head 1 is mounted through the connection hole 23, and the inner peripheral side surface of the connection hole 23 is connected to the outer peripheral side surface of the print head 1.

In order to solve the problem of how to improve the heat dissipation effect of the heat dissipation housing 2 on the positioning printing head 1, the hole wall of the connection hole 23 extends to the outer side of the heat dissipation housing 2 along the axial direction of the connection hole 23, the axial direction of the printing head 1 and the axial direction of the connection hole 23 are installed in a superposition mode, and the hole wall of the connection hole 23 is installed in a hollow mode. It is easy to understand that the contact area of the print head 1 and the heat dissipation housing 2 depends on the extension length of the hole wall of the connection hole 23.

In order to solve the problem of how to further improve the heat dissipation effect of the heat dissipation housing 2 on the positioning print head 1, an internal thread may be formed on the inner peripheral side surface of the connection hole 23 by turning, and an external thread may be formed on the outer peripheral side surface of the print head 1 by turning, and the internal thread and the external thread are matched and screwed. As will be readily appreciated, a tightly connected interface is more conducive to heat transfer.

Example 2

As shown in fig. 1-2, the embodiment of the utility model provides a 3D printer heat abstractor for how to improve the problem that the radiating effect of printer head 1 was beaten to the location to the heat dissipation casing 2 that looses more in the solution, inlet channel 21 is located a side-mounting of heat dissipation casing 2, and drainage channel 22 is located the opposite side installation of heat dissipation casing 2, and inlet channel 21 communicates drainage channel 22. The liquid inlet channel 21 is connected to the coolant circulation pump through a connection hose, and the liquid discharge channel 22 is connected to the coolant circulation pump through another connection hose. The cooling liquid circulation pump continuously circulates the cooling liquid to take heat of the print head 1 away by the cooling liquid.

Other undescribed structures refer to example 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a 3D printer heat abstractor which characterized in that: including the heat dissipation casing, the setting is beaten to heat dissipation casing parcel, heat dissipation casing cavity sets up the heat dissipation casing is provided with inlet channel and flowing back passageway, inlet channel guide coolant liquid gets into the heat dissipation casing, flowing back passageway guide coolant liquid is discharged the heat dissipation casing, inlet channel with flowing back passageway is connected with same coolant liquid circulating pump.

2. The 3D printer heat sink of claim 1, wherein: the heat dissipation shell is provided with a connecting hole, the connecting hole penetrates through two ends of the heat dissipation shell, the printing head penetrates through the connecting hole, and the inner peripheral side face of the connecting hole is connected with the outer peripheral side face of the printing head.

3. The heat dissipation device for 3D printers according to claim 2, wherein: the pore wall of connecting hole is followed the axis direction of connecting hole to the outside of heat dissipation casing extends, the axis direction of beating printer head with the axis direction coincidence setting of connecting hole, the pore wall cavity setting of connecting hole.

4. The 3D printer heat sink of claim 2, wherein: the printing head comprises a connecting hole and is characterized in that an inner thread is arranged on the inner peripheral side face of the connecting hole, an outer thread is arranged on the outer peripheral side face of the printing head, and the inner thread is matched with the outer thread and in threaded connection with the outer thread.

5. The 3D printer heat sink of claim 1, wherein: the liquid inlet channel is located one side of the heat dissipation shell body is arranged, the liquid discharge channel is located the other side of the heat dissipation shell body is arranged, and the liquid inlet channel is communicated with the liquid discharge channel.

6. The heat dissipation device for 3D printers of claim 5, wherein: the liquid inlet channel is connected with the cooling liquid circulating pump through a connecting hose, and the liquid discharge channel is connected with the cooling liquid circulating pump through another connecting hose.