Spray head supporting frame and 3D printer

Abstract

The utility model discloses a nozzle support frame and 3D printer, including the support plate, said support plate is L-shaped, also be equipped with the cooling block that cooperates with the nozzle throat pipe on the support plate, be equipped with the air-cooling chamber in the cooling block, the air-cooling chamber and the nozzle throat pipe are arranged coaxially, the radius of air-cooling chamber decreases gradually along the nozzle throat pipe extrusion direction, and the air-cooling chamber is equipped with the air-cooling chamber in the nozzle throat pipe extrusion direction. Cooling assemblies matched with the air cooling cavities are further arranged on the two sides of the cooling block. And the conical air cooling cavity is formed in the cooling block, so that cooling air passes through the air cooling cavity at different flow speeds, uniform heat dissipation from slow to fast is carried out on the spray head in the material extruding direction, and the heat dissipation effect of the spray head is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to 3D printing technical field especially, relate to a spray head support frame and 3D printer. BACKGROUND

[0002] 3D printer spray head is one of important parts in 3D printing equipment, and directly determines the quality of 3D printing finished product to a great extent, when coping with the situation of relatively complex structure, using special printing consumables or printing when the inclination is big, etc., need to use spray head support, in order to avoid spray head overheating and cause spray head damage, still set up the heat dissipation mechanism for spray head heat dissipation on support, the common structure is to set up two symmetrical fans on the both sides of spray head, then the air flow is driven by fan to flow to spray head and carry out heat dissipation, the advantage of this heat dissipation structure is that its cost is low, and the structure is simple and easy to implement, but the disadvantage of this heat dissipation structure is that the air flow blown by fan is not easy to control, which easily leads to uneven heat dissipation and low heat dissipation effect, so that the effect of effectively heat dissipation to spray head cannot be achieved. SUMMARY

[0003] In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide a spray head support frame and 3D printer, which improves the use quality and service life of the spray head of the 3D printer by optimizing the fan heat dissipation structure matched with the spray head.

[0004] To achieve this purpose, the utility model adopts the following technical scheme:

[0005] The utility model provides a spray head support frame, including support plate, the support plate is L type, preferably, the side surface of support plate is provided with installation portion, to be convenient for the connection with 3D printer material moving mechanism when printing, cooling block that is matched with spray head throat pipe is still penetrated in the support plate, preferably, the fixed mouth is seted up on the support plate, the fixed end that is matched with fixed mouth is fixedly arranged on the bottom of cooling block, to fix cooling block on support plate, wind cooling cavity is arranged in cooling block, wind cooling cavity is coaxial line with spray head throat pipe, the radius of wind cooling cavity decreases along the material direction of spray head throat pipe, the both sides of cooling block are provided with cooling assembly that is matched with wind cooling cavity.

[0006] The cooling assembly comprises an air inlet structure and an air outlet structure, the air inlet structure comprises an air inlet and an air inlet inserting frame inserted with the air inlet, an air inlet fan matched with the air cooling cavity is further arranged in the air inlet inserting frame, the air outlet structure comprises an air outlet and an air outlet inserting frame inserted with the air outlet, an air outlet fan matched with the air cooling cavity is further arranged in the air outlet inserting frame, and cooling air flows through the air cooling cavity under the action of the air inlet fan and the air outlet fan during cooling.

[0007] In order to supply power to the air inlet fan, the air outlet fan and the atomizer, a functional cabin matched with the air inlet structure and the air outlet structure is further included, an electricity receiving end is arranged in the functional cabin to supply power to the air inlet structure and the air outlet structure, and a water receiving end is further arranged in the functional cabin matched with the air inlet structure.

[0008] In order to achieve the above functions, the air cooling cavity needs to be closed, and a sealing plate is further included, a connecting port is further arranged at the top of the cooling block, a sealing portion matched with the connecting port is fixed at the bottom of the sealing plate to close the air cooling cavity, in order to facilitate the installation of the cooling block and the sealing plate on the support plate 1 and keep stable during operation, the support plate is further provided with an inserting rail along the extrusion direction of the nozzle throat pipe, and the side surface of the cooling block and the sealing plate is further provided with an inserting block matched with the inserting rail.

[0009] The cooling block comprises a plurality of cooling blocks, the plurality of cooling blocks are sequentially arranged along the extrusion direction of the nozzle throat pipe, and a spacing block is arranged between adjacent two cooling blocks to facilitate the practicability of the support under different conditions.

[0010] The beneficial effects of the utility model are as follows:

[0011] (1) The utility model discloses a tapered air cooling cavity arranged in the cooling block, so that the cooling air passes through the air cooling cavity at different flow rates, and the nozzle is uniformly cooled from slow to fast along the extrusion direction, and the heat dissipation effect is improved.

[0012] (2) In different conditions, such as when different materials are used in the nozzle, the temperature is inconsistent, and different heat dissipation needs exist, so different lengths of air cooling cavities can be arranged to flexibly dissipate heat. DRAWINGS

[0013] Figure 1 It is a structure schematic view of a nozzle support frame provided in the first embodiment of the utility model;

[0014] Figure 2is another view structure schematic diagram of the spray head support frame provided in the first embodiment of the utility model;

[0015] Figure 3 is a principle schematic diagram of the spray head support frame provided in the first embodiment of the utility model;

[0016] Figure 4 is an explosion schematic diagram of the spray head support frame provided in the first embodiment of the utility model;

[0017] Figure 5 is a structure schematic diagram of the air inlet plug-in frame provided in the first embodiment of the utility model;

[0018] Figure 6 is a bottom view explosion structure schematic diagram of the spray head support frame provided in the first embodiment of the utility model;

[0019] Figure 7 is a structure schematic diagram of the spray head support frame provided in the second embodiment of the utility model;

[0020] Figure 8 is a principle schematic diagram of the spray head support frame provided in the second embodiment of the utility model;

[0021] In the drawings:

[0022] 1, support plate; 11, fixed mouth; 12, plug-in rail; 13, mounting portion;

[0023] 2, cooling block; 21, air cooling cavity; 22, fixed end; 23, plug-in block; 24, spacing block;

[0024] 3, cooling assembly; 31, air inlet structure; 32, air outlet structure;

[0025] 311, air inlet; 312, air inlet plug-in frame; 313, air inlet fan; 314, atomizer;

[0026] 321, air outlet; 322, air outlet plug-in frame; 323, air outlet fan;

[0027] 4, function cabin;

[0028] 5, sealing plate; 51, sealing portion. Embodiment

[0029] The technical scheme of the utility model will be further illustrated below by combining with the drawings and through specific embodiments.

[0030] Embodiment 1: as Figures 1-6As shown, the utility model provides a kind of spray head support frame, including support plate 1, support plate 1 is L type, preferably, side surface of support plate 1 is also provided with mounting portion 13, to be connected with the connection of 3D printer material moving mechanism when printing is facilitated;Support plate 1 is also provided with cooling block 2 that is matched with spray head throat pipe, preferably, fixed mouth 11 is opened in support plate 1, cooling block 2 bottom is fixed with the fixed end 22 matched with fixed mouth 11, to be fixed in support plate 1 with cooling block 2;Cooling block 2 is provided with air cooling cavity 21, air cooling cavity 21 is coaxially arranged with spray head throat pipe, the radius of air cooling cavity 21 decreases along the extrusion direction of spray head throat pipe, so that air cooling cavity 21 is a inverted cone, and the two sides of cooling block 2 are also provided with cooling assembly 3 matched with air cooling cavity 21, specifically cooling assembly 3 includes air inlet structure 31 and air outlet structure 32, air inlet structure 31 includes air inlet 311 and air inlet insert frame 312 inserted with air inlet 311, air inlet insert frame 312 is also provided with air inlet fan 313 matched with air cooling cavity 21, air outlet structure 32 includes air outlet 321 and air outlet insert frame 322 inserted with air outlet 321, air outlet insert frame 322 is also provided with air outlet fan 323 matched with air cooling cavity 21, when cooling, cooling air flows through air cooling cavity 21 under the action of air inlet fan 313 and air outlet fan 323;So after air inlet fan 313 blows cooling air to air cooling cavity 21, cooling air flows to air outlet 321 along the tapered air cooling cavity 21, and finally blows out under the action of air outlet fan 323, in the process of cooling air cooling spray head, in the extrusion direction along spray head throat pipe, flow rate is slower at the place where the radius of air cooling cavity 21 is larger, and flow rate is faster at the place where the radius of air cooling cavity 21 is smaller, so that material is uniformly radiated from slow to fast during extruding from spray head, and temperature gradient does not mutate, to improve the heat dissipation effect of spray head, ensure the use quality and service life of 3D printer spray head, and cooling air flow rate flowing through air cooling cavity 21 can also be adjusted by air inlet fan 313 and air outlet fan 323, to further adjust the heat dissipation speed;Further, to increase the effect of heat dissipation, air inlet structure 31 also includes atomizer 314, atomizer 314 is arranged between air inlet fan 313 and air cooling cavity 21, to increase the moisture in cooling air blown by air inlet fan 313 into air cooling cavity 21;So heat exchange efficiency can be improved when cooling air flows, to achieve better heat dissipation effect;To achieve the above functions, the air inlet fan 313, the air outlet fan 323 and the atomizer 314 also need to be powered, and the functional cabin 4 matched with the air inlet structure 31 and the air outlet structure 32 is also provided, the functional cabin 4 is provided with an electricity connection end (not shown in the figure) to supply power to the air inlet structure 31 and the air outlet structure 32, so that the air inlet fan 313 and the air outlet fan 323 can rotate, and the functional cabin 4 matched with the air inlet structure 31 is also provided with a water connection end (not shown in the figure) to supply water to the atomizer 314. As described above, it needs to be further explained that the air inlet structure 31 and the air outlet structure 32 shown in the drawing can be further enlarged, so that the cooling air can pass through the air cooling cavity 21 synchronously, so as to further improve the uniformity of heat dissipation. Naturally, during the heat dissipation process, the air cooling cavity 21 also needs to be closed, so a sealing plate 5 is also provided, and the top of the cooling block 2 is also provided with a connecting port, and the bottom of the sealing plate 5 is fixedly provided with a sealing portion 51 matched with the connecting port, so as to close the air cooling cavity 21. After closing the air cooling cavity 21, the sealing plate 5 needs to be fixed from the top, so as to prevent it from moving along the direction of the nozzle throat pipe.

[0031] Preferably, in order to facilitate the installation of the cooling block 2 and the sealing plate 5 on the support plate 1, the support plate 1 is also provided with a plug-in rail 12 along the extrusion direction of the nozzle throat pipe, and the side surface of the cooling block 2 and the sealing plate 5 is also fixedly provided with a plug-in block 23 matched with the plug-in rail 12, so that the cooling block 2 can be conveniently installed on the support plate 1, and the stability during the heat dissipation process can be maintained.

[0032] A 3D printer adopts the nozzle support frame as described above; to effectively cool the nozzle and improve the printing efficiency.

[0033] Embodiment 2: as shown in Figures 7-8 The difference between embodiment 1 and embodiment 2 is that the cooling block 2 includes a plurality of cooling blocks 2, and the plurality of cooling blocks 2 are arranged in sequence along the extrusion direction of the nozzle throat pipe, so that the air cooling cavity 21 can be set to a longer stroke to adapt to different heat dissipation effects required when different materials are used, and further, a spacing block 24 is arranged between the adjacent two cooling blocks 2; to realize the fixed connection between the adjacent two cooling blocks 2.

[0034] The utility model is described through preferred embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. The utility model is not limited by the specific embodiments disclosed herein, and other embodiments falling within the scope of the claims of the present application all belong to the scope of protection of the utility model.

Claims

1. A showerhead support, characterized by: The utility model provides a kind of support frame for nozzle, including support plate (1), the support plate (1) is L type, cooling block (2) that is cooperated with the throat pipe of nozzle is further provided on the support plate (1), wind cooling cavity (21) is provided in the cooling block (2), the wind cooling cavity (21) is coaxially arranged with the throat pipe of nozzle, the radius of the wind cooling cavity (21) decreases along the extrusion direction of the throat pipe of nozzle, the two sides of the cooling block (2) are further provided with cooling assembly (3) that is cooperated with the wind cooling cavity (21).

2. The support frame for nozzle according to claim 1, wherein: The cooling assembly (3) includes air inlet structure (31) and air outlet structure (32), the air inlet structure (31) includes air inlet (311) and air inlet insert frame (312) inserted with the air inlet (311), the air inlet insert frame (312) is further provided with air inlet fan (313) that is cooperated with the wind cooling cavity (21), the air outlet structure (32) includes air outlet (321) and air outlet insert frame (322) inserted with the air outlet (321), the air outlet insert frame (322) is further provided with air outlet fan (323) that is cooperated with the wind cooling cavity (21), and when cooling, cooling air flows through the wind cooling cavity (21) under the action of the air inlet fan (313) and the air outlet fan (323).

3. The support frame for nozzle according to claim 2, wherein: The air inlet structure (31) further includes atomizer (314), and the atomizer (314) is arranged between the air inlet fan (313) and the wind cooling cavity (21) to increase the moisture in the cooling air blown by the air inlet fan (313) into the wind cooling cavity (21).

4. The support frame for nozzle according to claim 3, wherein: Further comprising functional cabin (4) cooperated with the air inlet structure (31) and the air outlet structure (32), the functional cabin (4) is provided with power connection end to supply power to the air inlet structure (31) and the air outlet structure (32), and the functional cabin (4) cooperated with the air inlet structure (31) is further provided with water connection end.

5. The support frame for nozzle according to claim 1, wherein: The support plate (1) is provided with fixing port (11), and the bottom of the cooling block (2) is fixedly provided with fixing end (22) cooperated with the fixing port (11) to fix the cooling block (2) on the support plate (1).

6. The support frame for nozzle according to claim 5, wherein: Further comprising sealing plate (5), and the top of the cooling block (2) is further provided with connecting port, and the bottom of the sealing plate (5) is fixedly provided with sealing part (51) cooperated with the connecting port to close the wind cooling cavity (21).

7. The support frame for nozzle according to claim 6, wherein: The support plate (1) is further provided with insert rail (12) along the extrusion direction of the throat pipe of nozzle, and the side surface of the cooling block (2) and the sealing plate (5) is further fixedly provided with insert block (23) cooperated with the insert rail (12).

8. The support frame according to claim 1, characterized in that: The side of the support plate (1) is further provided with a mounting portion (13) to facilitate connection with the material moving mechanism of the 3D printer during printing.

9. The support frame according to claim 1, characterized in that: The cooling block (2) comprises a plurality of cooling blocks (2) arranged in sequence along the extrusion direction of the nozzle throat, and a spacing block (24) is arranged between two adjacent cooling blocks (2).

10. A 3D printer characterized by: The support frame according to any one of claims 1-9.

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