CN216100448U - 3D print head heat abstractor - Google Patents
3D print head heat abstractor Download PDFInfo
- Publication number
- CN216100448U CN216100448U CN202122758198.8U CN202122758198U CN216100448U CN 216100448 U CN216100448 U CN 216100448U CN 202122758198 U CN202122758198 U CN 202122758198U CN 216100448 U CN216100448 U CN 216100448U
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- CN
- China
- Prior art keywords
- heat dissipation
- wall
- nozzle
- cover
- fixedly arranged
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 68
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 23
- 239000010951 brass Substances 0.000 claims abstract description 23
- 239000004519 grease Substances 0.000 claims abstract description 4
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 4
- 125000003003 spiro group Chemical group 0.000 claims 1
- 239000004033 plastic Substances 0.000 abstract description 21
- 229920003023 plastic Polymers 0.000 abstract description 21
- 230000000694 effects Effects 0.000 description 10
- 239000007921 spray Substances 0.000 description 6
- 238000010146 3D printing Methods 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
The utility model discloses a 3D printer nozzle heat dissipation device which comprises a brass nozzle, a heating aluminum block and a throat pipe, wherein a heat dissipation cover is fixedly arranged on the outer wall of one end of the top of the throat pipe, heat dissipation fins distributed at equal intervals are fixedly arranged on the inner wall of the heat dissipation cover, the inner walls of the heat dissipation fins and the outer wall of the throat pipe are bonded through silicone grease, heat dissipation holes distributed at equal intervals are formed in the outer wall of each heat dissipation fin, and an air inlet is formed in one end of the top of the heat dissipation cover. When the airflow at the top of the heat dissipation cover is conveyed to the bottom of the heat dissipation cover, the airflow absorbs the heat of the radiating fins at the bottom of the heat dissipation cover and reduces, so that the temperature of the outer wall of the throat pipe is reduced step by step from bottom to top, when the molten plastic in the brass nozzle overflows towards the inner wall of the top of the throat pipe, the plastic solution can be continuously and slowly solidified, and the slightly solidified plastic solution can be extruded into the brass nozzle through plastic wires for continuous use.
Description
Technical Field
The utility model relates to the field of 3D printers, in particular to a 3D printer nozzle heat dissipation device.
Background
The three-dimensional printer is a process for rapid forming, the three-dimensional printer is a three-dimensional entity formed by stacking and superposing liquid photosensitive resin materials, molten plastic wires, gypsum powder and other materials layer by layer in a binder spraying or extruding mode, and the like, wherein the spray head of the 3D printer is an important part, the spray head of the existing 3D printer mainly comprises a spray nozzle, a heating block, a throat pipe and a heat dissipation ring, the plastic wires (Teflon) are positioned in the spray nozzle and are rapidly melted and extruded through the heating block, the melted plastic has certain backflow and is discharged into the throat pipe, the plastic solution is cooled through the throat pipe, the plastic solution is slightly solidified and is extruded into the spray nozzle through the solid plastic wires (Teflon), and the throat pipe is used for a long time to cause the overhigh temperature of the throat pipe and cannot be continuously solidified, so a heat dissipation device of the spray head of the 3D printer is needed.
And current 3D print head often gives the choke heat dissipation on the shower nozzle through the cooling ring, although the cooling ring is very big, but the choke is limited with the area of contact between the cooling ring, the heat conduction effect is not good enough, make first temperature of choke still can't effectively reduce, and the choke on the 3D printer can not directly use the water-cooling, because can lead to the choke temperature to hang down excessively, lead to plastic solution to solidify fast, make the shower nozzle of 3D printer block up, damage the 3D printer easily, consequently, the heat abstractor of a cooling effect adaptation in 3D print head is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a 3D printer nozzle heat dissipation device to overcome the defects in the technology.
In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a 3D print head heat abstractor, includes brass nozzle, heating aluminium pig and choke, the top of brass nozzle is located to the heating aluminium pig, the top of heating aluminium pig is located to the choke, the fixed heat exchanger that is equipped with of top one end outer wall of choke, the fixed fin that is equipped with the equidistance and distributes of inner wall of heat exchanger, the inner wall of fin and the outer wall of choke pass through the silicone grease and bond, the louvre that has the equidistance and distributes is opened to the outer wall of fin, the top one end of heat exchanger is opened there is the air intake, the inner wall of air intake is fixed and is equipped with the air inlet cover, the fixed fan that is equipped with of inner wall of air inlet cover, the exhaust hole that has the equidistance and distributes is opened to the bottom one end of heat exchanger.
Preferably, a first external thread groove is formed in one side of the top of the brass nozzle, a vertical downward internal thread opening is formed in one end of the top of the aluminum heating block, a second external thread groove is formed in the outer wall of one end of the bottom of the throat, the first external thread groove and the internal thread opening are in threaded connection with the inner wall of the internal thread opening, the throat and the brass nozzle are conveniently fixed on the first external thread groove, and the bottom of the throat and the top of the brass nozzle can be heated through the first external thread groove.
Preferably, the outer wall of one side of the heating aluminum block is fixedly provided with an electric connecting piece, and the outer wall of one side of the heating aluminum block is fixedly provided with a fixing piece.
Preferably, the top of the fixed piece is provided with two positioning holes, one side of the top of the fixed piece is provided with a moving block, one end of the bottom of the moving block is fixedly provided with two positioning insertion rods, the positioning insertion rods are positioned on the inner walls of the positioning holes and connected with the fixed piece through the moving block, and the moving block is convenient to drive the device to move when moved.
Preferably, the heat dissipation copper pipes distributed at equal intervals are fixedly arranged at one end of the top of the heat dissipation cover and penetrate through the outer wall of the heat dissipation cover and the outer wall of the heat dissipation fins, and the heat dissipation effect of the utility model can be further improved through the heat dissipation copper pipes.
Preferably, one end of the air inlet fan is in threaded connection with an internal threaded pipe, a dustproof net is fixedly arranged on the inner wall of the internal threaded pipe, dust can be prevented from being sucked into the heat dissipation cover through the dustproof net, and the service life of the air inlet fan is prolonged.
In the technical scheme, the utility model provides the following technical effects and advantages:
the air is input to the top of the heat dissipation cover through the air inlet by the air inlet fan arranged on one side of the top of the heat dissipation cover, the airflow at the top of the heat dissipation cover is conveyed downwards through the heat dissipation holes formed in the outer walls of the heat dissipation fins, the heat of the heat dissipation holes is absorbed simultaneously during airflow conveying, the heat dissipation effect of the utility model is improved, when the airflow at the top of the heat dissipation cover is conveyed to the bottom of the heat dissipation cover, the temperature of the airflow is increased due to the fact that the temperature of the heat dissipation fins at the top of the heat dissipation cover is absorbed by the input airflow, the heat of the heat dissipation fins at the bottom of the heat dissipation cover is reduced, the temperature of the outer walls of the hollow throat is gradually reduced from bottom to top, the airflow absorbing heat is discharged through the exhaust holes, when plastic melted in the brass nozzles overflows towards the inner walls of the top of the hollow throat, the plastic solution can be slowly solidified all the time, the slightly solidified plastic solution can be extruded into the brass nozzles for continuous use through plastic wires, the heat dissipation effect of the utility model is adapted to a 3D printer nozzle, the use effect is good, can avoid 3D print head to block up, prevents that the plastics solution in the 3D print head from overflowing.
Drawings
In order to more clearly illustrate the embodiments of the present application or 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 described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of a heat dissipation cover according to the present invention;
FIG. 3 is a schematic perspective view of the throat of the present invention;
FIG. 4 is a schematic cross-sectional view of a heated aluminum block according to the present invention.
Description of reference numerals:
the device comprises a brass nozzle 1, a heating aluminum block 2, a throat 3, a first external thread slot 4, an internal thread port 5, a second external thread slot 6, a power connection piece 7, a fixing piece 8, a positioning hole 9, a moving block 10, a positioning inserted rod 11, a heat dissipation cover 12, a heat dissipation plate 13, a heat dissipation hole 14, a heat dissipation copper pipe 15, an exhaust hole 16, an air inlet 17, an air inlet cover 18, an air inlet fan 19, an internal thread pipe 20 and a dust screen 21.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
Example one
Referring to the attached drawings 1-4 of the specification, the 3D printer nozzle heat dissipation device comprises a brass nozzle 1, a heating aluminum block 2 and a throat pipe 3, wherein the heating aluminum block 2 is arranged at the top of the brass nozzle 1, the throat pipe 3 is arranged at the top of the heating aluminum block 2, a heat dissipation cover 12 is fixedly arranged on the outer wall of one end of the top of the throat pipe 3, heat dissipation fins 13 are fixedly arranged on the inner wall of the heat dissipation cover 12 and distributed equidistantly, the inner wall of each heat dissipation fin 13 is bonded with the outer wall of the throat pipe 3 through silicone grease, heat dissipation holes 14 are distributed equidistantly on the outer wall of each heat dissipation fin 13, an air inlet 17 is formed in one end of the top of the heat dissipation cover 12, an air inlet cover 18 is fixedly arranged on the inner wall of each air inlet 17, an air inlet fan 19 is fixedly arranged on the inner wall of each air inlet cover 18, and exhaust holes 16 are distributed equidistantly at one end of the bottom of each heat dissipation cover 12.
Example two
Based on the first embodiment, a first external thread groove 4 is formed in one side of the top of the brass nozzle 1, a vertically downward internal thread opening 5 is formed in one end of the top of the heating aluminum block 2, a second external thread groove 6 is formed in the outer wall of one end of the bottom of the throat pipe 3, the first external thread groove 4 and the internal thread opening 5 are in threaded connection with the inner wall of the internal thread opening 5, the throat pipe 3 and the brass nozzle 1 are conveniently fixed on the first external thread groove 4, the bottom of the throat pipe 3 and the top of the brass nozzle 1 can be heated through the first external thread groove 4, an electric connecting piece 7 is fixedly arranged on the outer wall of one side of the heating aluminum block 2, a fixing piece 8 is fixedly arranged on the outer wall of one side of the heating aluminum block 2, two positioning holes 9 are formed in the top of the fixing piece 8, a moving block 10 is arranged on one side of the top of the fixing piece 8, two positioning insertion rods 11 are fixedly arranged at one end of the bottom of the moving block 10, and the positioning insertion rods 11 are positioned on the inner walls of the positioning holes 9, the movable block 10 is connected with the fixed piece 8, so that the movable block 10 is convenient to drive the utility model to move when being moved.
EXAMPLE III
Based on the first embodiment, the heat dissipation copper pipes 15 are fixedly arranged at one end of the top of the heat dissipation cover 12 and distributed at equal intervals, the heat dissipation copper pipes 15 penetrate through the outer wall of the heat dissipation cover 12 and the outer wall of the heat dissipation fins 13, the heat dissipation effect of the utility model can be further improved through the heat dissipation copper pipes 15, one end of the air inlet fan 19 is screwed with the internal threaded pipe 20, the inner wall of the internal threaded pipe 20 is fixedly provided with the dustproof net 21, dust can be prevented from being sucked into the heat dissipation cover 12 through the dustproof net 21, and the service life of the utility model is prolonged.
The working principle of the utility model is as follows:
referring to the attached drawings 1-4 of the specification, when the three-dimensional printing machine is used, the three-dimensional printing machine is installed on a 3D printer, firstly, a heating aluminum block 2 is started to preheat a brass nozzle 1 and a throat 3, when the 3D printer starts to work, plastic wires are input into the brass nozzle 1 through the throat 3 to be melted and sprayed out, three-dimensional objects are printed, the excessive heat generated by the throat 3 can be absorbed through a radiating fin 13 arranged on the outer wall of the throat 3, when the radiating fin 13 cannot meet the cooling effect of the throat 3, a fan 19 arranged on one side of the top of a radiating cover 12 is started at the moment, airflow is input to the top of the radiating cover 12 through an air inlet 17, the airflow on the top of the radiating cover 12 can absorb the heat through a radiating hole 14 formed in the outer wall of the radiating fin 13, the radiating effect of the three-dimensional printing machine is improved, when the airflow on the top of the radiating cover 12 is conveyed to the bottom of the radiating cover 12, the temperature of the input airflow is increased, the absorbed heat of the 14 is reduced, therefore, the temperature of the outer wall of the throat pipe 3 is gradually reduced from bottom to top, when plastic melted in the brass nozzle 1 overflows towards the inner wall of the top of the throat pipe 3, the plastic solution can be continuously and slowly solidified, and the slightly solidified plastic solution can be extruded into the brass nozzle 1 through plastic wires for continuous use.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.
Claims (6)
1. The utility model provides a 3D print head heat abstractor, includes brass nozzle (1), heating aluminium pig (2) and choke (3), the top of brass nozzle (1) is located in heating aluminium pig (2), the top of heating aluminium pig (2), its characterized in that are located in choke (3): the fixed heat exchanger that is equipped with of top one end outer wall of choke (3) (12), the fixed fin (13) that are equipped with the equidistance and distribute of inner wall of heat exchanger (12), the inner wall of fin (13) and the outer wall of choke (3) bond through the silicone grease, louvre (14) that have the equidistance and distribute are opened to the outer wall of fin (13), open the top one end of heat exchanger (12) has air intake (17), the inner wall of air intake (17) is fixed and is equipped with air inlet cover (18), the inner wall of air inlet cover (18) is fixed and is equipped with into fan (19), exhaust hole (16) that have the equidistance and distribute are opened to the bottom one end of heat exchanger (12).
2. The 3D printer nozzle heat dissipation device of claim 1, wherein: open the top one side of brass nozzle (1) has first external screw thread wire casing (4), open the top one end of heating aluminium piece (2) has vertical decurrent internal thread mouth (5), open the bottom one end outer wall of choke (3) has second external screw thread wire casing (6), first external screw thread wire casing (4) and internal screw thread mouth (5) spiro union in the inner wall of internal screw thread mouth (5).
3. The 3D printer nozzle heat dissipation device of claim 1, wherein: the heating aluminum block is characterized in that an electric connecting piece (7) is fixedly arranged on the outer wall of one side of the heating aluminum block (2), and a fixing piece (8) is fixedly arranged on the outer wall of one side of the heating aluminum block (2).
4. The 3D printer nozzle heat dissipation device of claim 3, wherein: the top of the fixing piece (8) is provided with two positioning holes (9), one side of the top of the fixing piece (8) is provided with a moving block (10), one end of the bottom of the moving block (10) is fixedly provided with two positioning insertion rods (11), and the positioning insertion rods (11) are located on the inner walls of the positioning holes (9).
5. The 3D printer nozzle heat dissipation device of claim 1, wherein: and heat dissipation copper pipes (15) distributed at equal intervals are fixedly arranged at one end of the top of the heat dissipation cover (12), and the heat dissipation copper pipes (15) penetrate through the outer wall of the heat dissipation cover (12) and the outer wall of the cooling fins (13).
6. The 3D printer nozzle heat dissipation device of claim 1, wherein: one end of the air inlet fan (19) is in threaded connection with an internal threaded pipe (20), and a dust screen (21) is fixedly arranged on the inner wall of the internal threaded pipe (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122758198.8U CN216100448U (en) | 2021-11-11 | 2021-11-11 | 3D print head heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122758198.8U CN216100448U (en) | 2021-11-11 | 2021-11-11 | 3D print head heat abstractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216100448U true CN216100448U (en) | 2022-03-22 |
Family
ID=80715578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122758198.8U Expired - Fee Related CN216100448U (en) | 2021-11-11 | 2021-11-11 | 3D print head heat abstractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216100448U (en) |
-
2021
- 2021-11-11 CN CN202122758198.8U patent/CN216100448U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220322 |