A kind of 3D printing material cooling device
Technical field
The utility model relates to 3D printing equipment technical field more particularly to a kind of cooling devices of 3D printing material.
Background technique
It is squeezed out, is subsequently cured by spray head using by material heating and melting in FDM large size 3D printing technique field
Molding principle.Therefore, it to meet printing demand, needs to be quickly cooled down the printed material after extrusion, shape is accelerated to fix.It is existing
Some generally existing following problems of 3D printing material cooling device:
1) the direct quenching of external flooring fan is used, blowing range is too spacious, so that squeezing out spray head heating and cooling
Temperature difference amplitude is big, and temperature is unstable, causes material to squeeze out uneven, influences printing effect;Moreover, flooring fan energy consumption is higher,
Air quantity is lost seriously, and additional occupied space;
2) cooling device of the setting with round wind outlet near spray head is being squeezed out, it is directly being sent using tools such as air pumps
Wind has that wind speed is exceedingly fast, air quantity is smaller, the heat dissipation time is too short, and air pump power consumption, and noise is big, is not particularly suited for arranging greatly
Amount squeezes out printer.
In summary, there is inconvenience in the 3D printing material cooling device, it is therefore necessary to be changed in practice
Into.
Utility model content
The purpose of the utility model is to provide a kind of 3D printing material cooling device, structure is simple, easy to operate, air quantity
It concentrates, air-supply is stablized, low noise.
To achieve the above object, using following technical scheme:
A kind of 3D printing material cooling device, including blower, fan fixed mount, several air outlet guide housings;The blower
It is built in fan fixed mount, the fan fixed mount bottom is equipped with several air outlets, the corresponding air outlet guiding of each air outlet
Cover;The first end of the air outlet guide housing is through air outlet air inlet, and first end is for sending the wind concentration of blower to second end;
The second end of the air outlet guide housing is equipped with print head mounting hole.
Further, the L-shaped construction in cross section of the air outlet guide housing, wherein the perpendicular end of L-type is first end, and L-type is horizontal
End is second end;The print head mounting hole is opened up from top to the bottom direction at the horizontal end of L-type, the L of the air outlet guide housing
The horizontal end bottom of type offers hollow ring groove around print head mounting hole.
Further, the 3D printing material cooling device further includes an at least telescopic cover;A wherein air outlet guide housing
The perpendicular end of L-type be fixedly connected with the air outlet of fan fixed mount, the perpendicular end of the L-type of remaining air outlet guide housing it is each through a telescopic cover and
Corresponding air outlet connection.
Further, the air outlet guide housing is set as two, respectively the first air outlet guide housing, the second air outlet
Guide housing;The telescopic cover is set as one;The first air outlet guide housing is fixedly connected with the air outlet of fan fixed mount,
The air outlet of second air outlet guide housing and fan fixed mount is connected through telescopic cover.
Further, the 3D printing material cooling device further includes thermal insulation board;The blower side is equipped with air inlet, separately
The corresponding fan fixed mount in side is equipped with thermal insulation board;The thermal insulation board is provided close to print head mounting hole side.
Further, the 3D printing material cooling device further includes outlet air capouch fixing piece;The outlet air capouch is fixed
Part is placed in the top at the horizontal end of L-type of the air outlet guide housing, for being fixedly connected with print head and air outlet guide housing.
Further, the 3D printing material cooling device further includes cooling device fixed frame;The cooling device is fixed
It is set up at the top of fan fixed mount, for being fixed with outside.
Further, the blower is crossflow fan.
Using the above scheme, the beneficial effects of the utility model are:
1) wind concentration is guided in air outlet guide housing second end by the L-shaped construction in the cross section of air outlet guide housing
In idle loop connected in star, high-speed annular air-flow is formed, generates negative pressure, drives mass air flow directly to blow to material surface, avoids air quantity
Loss, wind concentration improve cooling effect;
2) according to the needs of use, the mountable main material print head of the first air outlet guide housing, the second air outlet guide housing can
Auxiliary material print head is installed, or the print head of other different materials is installed;Since the second air outlet guide housing is connected with telescopic cover,
Air outlet guide housing can be driven to move up and down, when avoiding wherein print head work, another print head scratches printer model, is promoted
Print space;
3) the air-supply tool such as fan, air pump is replaced using blower, reduction noise, reduction invisible waste, air-supply are stablized;Blower air inlet
On the contrary, being equipped with thermal insulation board between heat source and blower, reduction heat transfer enhances cooling effect for mouth direction and heat source;
4) the L-shaped construction in the cross section of air outlet guide housing can make the compact installation of the utility model on a printer;It is whole
Design structure is compact simple, easy to operate, improves equipment practicability.
Detailed description of the invention
Fig. 1 is the positive visual angle perspective view of the utility model;
Fig. 2 is the back angle perspective view of the utility model;
Fig. 3 is the air outlet guide housing, telescopic cover perspective view of the utility model;
Wherein, description of drawing identification:
1-cooling device fixed frame;2-thermal insulation boards;
3-telescopic covers;4-blowers;
41-air inlets;5-air outlet guide housings;
51-air outlet guide housing first ends;52-air outlet guide housing second ends;
53-hollow ring grooves;54-print head mounting holes;
6-outlet air capouch fixing pieces;7-fan fixed mounts.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Shown in 3, the utility model provides a kind of 3D printing material cooling device, including blower 4, blower are solid
Determine frame 7, several air outlet guide housings 5;The blower 4 is built in fan fixed mount 7, if 7 bottom of the fan fixed mount is equipped with
It does air port (not marked in figure), the corresponding air outlet guide housing 5 of each air outlet;The first end 51 of the air outlet guide housing
Through air outlet air inlet, for sending the wind concentration of blower 4, to second end 52, (air inlet of blower passes through first end to first end 51
Afterwards, so that wind concentration, accelerated material cooling and shaping);The second end 52 of the air outlet guide housing is equipped with print head mounting hole
54。
Wherein, the L-shaped construction in cross section of the air outlet guide housing 5, wherein the perpendicular end of L-type is first end, and the horizontal end of L-type is
Second end;The print head mounting hole 54 is opened up from top to the bottom direction at the horizontal end of L-type, the L-type of the air outlet guide housing 5
Horizontal end bottom offers hollow ring groove 53 around print head mounting hole 54.
The air outlet guide housing 5 is set as two, respectively the first air outlet guide housing 5, the second air outlet guide housing
5;The telescopic cover 3 is set as one;The first air outlet guide housing 5 is fixedly connected with the air outlet of fan fixed mount 7, the
Two air outlet guide housings 5 are connect with the air outlet of fan fixed mount 7 through telescopic cover 3.
The 3D printing material cooling device further includes thermal insulation board 2, outlet air capouch fixing piece 6, cooling device fixed frame 1;
4 side of blower is equipped with air inlet 41, and the corresponding fan fixed mount 7 in the other side is equipped with thermal insulation board 2;The thermal insulation board 2 is set
In close to 54 side of print head mounting hole.The outlet air capouch fixing piece 6 is placed in the top at the horizontal end of L-type of the air outlet guide housing
Portion, for being fixedly connected with print head and air outlet guide housing 5;The cooling device fixed frame 1 is set to 7 top of fan fixed mount,
For being fixed with outside;The blower 4 is crossflow fan.
Utility model works principle:
Top to the bottom of the L-shaped construction in the cross section of air outlet guide housing, the horizontal end of L-type is equipped with print head mounting hole, beats
It prints head to arrange across print head mounting hole, and is fixed using ventilation capouch fixing piece clamping, the extrusion spray head after installation (is beaten
The end for printing head, which is equipped with, squeezes out spray head) it is located at the lower section at the horizontal end of L-type;The bottom at the horizontal end of L-type opens up hollow ring groove, hollow ring
Connected in star is centered around print head circumferential direction, and wind direction is from crossflow fan-air outlet-(telescopic cover)-air outlet guide housing first
End-air outlet guide housing second end (hollow ring groove), air-flow is under the action of hollow ring groove, from the horizontal end of L-type
Top to bottom direction blows to the surrounding for squeezing out spray head, to realize the cooling for squeezing out spray head.
Due to the L-shaped construction in the cross section of air outlet guide housing, wind can be concentrated and be guided to air outlet guide housing second
In the hollow ring groove at end, high-speed annular air-flow is formed, generates negative pressure, drives mass air flow to blow to material surface, avoids wind
Amount loss, concentrates wind-force, improves cooling effect.
According to the needs of use, the mountable main material print head of the first air outlet guide housing, the second air outlet guide housing can pacify
Auxiliary material print head is filled, or the print head etc. of other different materials is installed;Since the second air outlet guide housing is connected with telescopic cover,
Air outlet guide housing can be driven to move up and down, when one print head being avoided to work, another print head scratches printer model, and promotion is beaten
Print space.
The air-supply tool such as fan, air pump is replaced using blower, noise is reduced, reduces invisible waste, blows and stablize;Fan air inlet
On the contrary, being equipped with thermal insulation board between heat source and blower, reduction heat transfer enhances cooling effect for direction and heat source.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.