CN220763573U - 3D printer shower nozzle heat abstractor and 3D printer - Google Patents
3D printer shower nozzle heat abstractor and 3D printer Download PDFInfo
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- CN220763573U CN220763573U CN202321834683.1U CN202321834683U CN220763573U CN 220763573 U CN220763573 U CN 220763573U CN 202321834683 U CN202321834683 U CN 202321834683U CN 220763573 U CN220763573 U CN 220763573U
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- metal piece
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- piece
- mounting plate
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- 239000002184 metal Substances 0.000 claims abstract description 67
- 229910052751 metal Inorganic materials 0.000 claims abstract description 67
- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 238000001125 extrusion Methods 0.000 claims abstract description 39
- 230000017525 heat dissipation Effects 0.000 claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010146 3D printing Methods 0.000 abstract description 8
- 238000007639 printing Methods 0.000 abstract description 7
- 230000005855 radiation Effects 0.000 abstract 1
- 230000000191 radiation effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 238000009423 ventilation Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of 3D printing, and discloses a 3D printer nozzle heat dissipation device and a 3D printer, wherein the 3D printer nozzle heat dissipation device comprises a heating piece and a heat dissipation fan arranged above the heating piece, and a heat conduction component is arranged between the heat dissipation fan and the heating piece; the heat conduction assembly comprises a first metal piece connected with the heating piece and a second metal piece connected with the cooling fan, and a plurality of heat conduction pipes are connected between the first metal piece and the second metal piece; the first metal piece is provided with an extrusion device for extruding or drawing back the wire rod. The heat conduction component conducts heat generated by the heating element to the heat radiation fan according to a heat conduction principle, so that the heat radiation effect of the 3D printer nozzle is improved; the setting of extrusion device is located on the first metalwork, has solved the wire rod of extruding and has been longer to the distance between the heating piece, influences the problem of printing accuracy and quality.
Description
Technical Field
The utility model relates to the technical field of 3D printing, in particular to a 3D printer nozzle heat dissipation device and a 3D printer.
Background
The 3D printer nozzle determines the quality of 3D printing molding, and the smoothness and temperature of the extruded wire directly influence the 3D printing precision. If the temperature of the throat pipe of the spray head is too high, the wire rod is softened when not entering the nozzle part, so that the wire rod is extruded unsmoothly, and the conditions of blockage, material clamping and the like can occur, thereby causing printing failure. Therefore, the temperature of the throat pipe of the spray head needs to be controlled within a certain range through the heat radiating device.
Patent CN218577010U provides a 3D printer, which prevents heat transfer by providing a heat sink having a certain length between the extrusion device and the heating member of the nozzle, and providing a heat dissipating fan at the side of the heat sink to cool the nozzle assembly. But the radiating effect of this kind of radiating mode is relatively poor, has increased the wire rod that extrusion device extruded moreover and has heated the distance between the piece, leads to the occupation space of printer great, and the wire rod extrudes and the distance of back drawing is longer, and corresponding response time increases, has caused very big influence to 3D printing quality and speed.
Therefore, finding a 3D printer head heat sink and a 3D printer that can solve the above technical problems is an important issue studied by those skilled in the art.
Disclosure of Invention
The utility model discloses a 3D printer nozzle heat dissipation device and a 3D printer, which are used for solving the technical problems that the heat dissipation device of the existing 3D printer occupies a larger space and affects printing quality and precision.
To achieve the purpose, the utility model adopts the following technical scheme:
the heat dissipation device of the 3D printer nozzle comprises a heating piece and a heat dissipation fan arranged above the heating piece, wherein a heat conduction component is arranged between the heat dissipation fan and the heating piece;
the heat conduction assembly comprises a first metal piece connected with the heating piece and a second metal piece connected with the cooling fan, and a plurality of heat conduction pipes are connected between the first metal piece and the second metal piece; the first metal piece is provided with an extrusion device for extruding or drawing back the wire rod.
Optionally, a throat is connected to the heating element; one end of the throat pipe, which is far away from the heating piece, penetrates through the first metal piece and is used for receiving wires extruded by the extrusion device.
Optionally, the device further comprises a mounting plate, wherein a mounting groove is formed in the bottom of the mounting plate, and the first metal piece is connected with the mounting groove in a clamping manner;
clamping pieces are arranged on two opposite sides of the second metal piece, and fixing pieces used for being abutted against the clamping pieces are arranged on one side, facing the heat conducting assembly, of the mounting plate, corresponding to the clamping pieces.
Optionally, a first clamping groove is formed in one side, away from the mounting plate, of the first metal piece, and a second clamping groove is formed in one side, facing the mounting plate, of the second metal piece;
the first end of the heat conduction pipe is clamped in the first clamping groove, and the second end of the heat conduction pipe is clamped in the second clamping groove.
Optionally, the extruding device includes two extruding wheels, a fixed mounting groove for mounting the two extruding wheels 401 is provided at a position of the side of the mounting plate away from the heat conducting component, which corresponds to the two extruding wheels, and the two extruding wheels are rotatably mounted in the fixed mounting groove respectively.
The fixed mounting groove 503 is shaped and sized to fit the two extrusion wheels 401, and the two extrusion wheels 401 are rotatably connected with the fixed mounting groove 503.
Preferably, the centers of the two extrusion wheels 401 are respectively provided with a rotation hole, and the fixed mounting groove 503 is provided with a rotation shaft corresponding to the rotation hole, and the rotation shaft is rotationally connected with the rotation hole.
Optionally, a conveying channel for extruding or drawing back the wire rod is arranged between the two extruding wheels; the tank bottom of mounting groove has offered the feed port with penetrating, the first end of feed port with the choke is linked together, the second end of feed port with the conveying passageway is linked together.
Optionally, a material conveying through hole for a wire rod to pass through is formed in one side, away from the heat conducting component, of the mounting plate, and the material conveying through hole is communicated with one end, away from the first metal piece, of the conveying channel.
Optionally, the heat dissipation fan is fixedly connected with the second metal piece through a bolt; and an air outlet of the cooling fan is aligned with the second metal piece.
A 3D printer, comprising a frame, wherein the 3D printer nozzle heat dissipation device as described in any one of the above is movably arranged on the frame.
From the above technical solutions, the embodiment of the present utility model has the following advantages:
the heat conducting component is used for conducting heat generated by the heating element to the cooling fan, specifically, conducting heat generated by the heating element to the first metal element, conducting heat of the first metal element to the second metal element by the heat conducting pipe, and finally ventilating and radiating the heat through the cooling fan, so that the 3D printer nozzle is cooled; and extrusion device locates on the first metalwork, has reduced the distance between wire rod to the heating piece, when guaranteeing the radiating effect, has improved the accuracy of extruding and back-drawing to the wire rod.
Compared with the prior art, the heat conduction component conducts heat generated by the heating element to the cooling fan according to the heat conduction principle, so that the cooling effect on the 3D printer nozzle is improved; the problem that the distance between extruded wire rod and the heating piece is longer, influences printing accuracy and quality is solved to extrusion device's setting position.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a front view of a 3D printer nozzle heat sink;
FIG. 2 is a side view of a 3D printer nozzle heat sink;
FIG. 3 is a schematic structural diagram of a 3D printer nozzle heat sink;
FIG. 4 is a schematic view of another angle of a 3D printer nozzle heat sink;
FIG. 5 is a block diagram of a mounting plate;
illustration of: heating element 1, throat 101, radiator fan 2, first metal element 301, second metal element 302, heat pipe 303, engaging element 304, first clamping groove 305, second clamping groove 306, extrusion device 4, extrusion wheel 401, mounting plate 5, mounting groove 501, fixing element 502, fixing mounting groove 503, feed hole 504, and feed through hole 505.
Detailed Description
In order to better understand the aspects of the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and detailed description. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
The embodiment provides a 3D printer nozzle heat abstractor for it is relatively poor to solve the radiating effect of current 3D printer nozzle, prints the lower technical problem of quality and precision.
It should be noted that, the extrusion device 4 of the present embodiment is used for conveying the wire, and the wire can be extruded or drawn back by the forward and reverse rotation of the extrusion device 4; if the distance from the extrusion device 4 to the heating element 1 is too long, the wire is easily melted by the high-temperature environment without entering the heating element 1, and the channel for conveying the wire is blocked; moreover, when other wires need to be replaced for printing, the wires extruded by the extrusion device 4 are too long, the time required for drawing back the wires correspondingly increases, and the accuracy of drawing back the wires decreases. The heating element 1 of the present embodiment is used for melting the wire extruded by the extrusion device 4, so that the 3D printer nozzle extrudes the wire in a molten state for 3D printing.
Referring to fig. 1-5, the heat dissipating device for a 3D printer nozzle of the present embodiment includes a heating element 1, and further includes a heat dissipating fan 2 disposed above the heating element 1, where a heat conducting component is disposed between the heat dissipating fan 2 and the heating element 1;
the heat conducting assembly comprises a first metal piece 301 connected with the heating piece 1 and a second metal piece 302 connected with the cooling fan 2, and a plurality of heat conducting pipes 303 are connected between the first metal piece 301 and the second metal piece 302; the first metal part 301 is provided with an extrusion device 4 for extruding or drawing back the wire.
Specifically, the heat conducting component is configured to conduct heat generated by the heating element 1 to the heat dissipating fan 2, specifically, heat generated by the heating element 1 is conducted to the first metal element 301, the heat conducting tube 303 conducts heat of the first metal element 301 to the second metal element 302, and finally, ventilation and heat dissipation are performed on the second metal element 302 by the heat dissipating fan 2, so that the 3D printer nozzle is cooled; and the extrusion device 4 is arranged on the first metal piece 301, so that the distance from the wire rod to the heating piece is reduced, and the accuracy of wire rod extrusion and back drawing is improved while the heat dissipation effect is ensured.
Compared with the prior art, the heat conduction component conducts the heat generated by the heating element 1 to the cooling fan 2 according to the heat conduction principle, so that the cooling effect of the 3D printer nozzle is improved; the position of the extrusion device 4 reduces the distance between the extruded wire and the heating element, and avoids the problems affecting the printing accuracy and the printing quality.
It should be noted that the number of the heat conducting pipes 303 may be adjusted according to practical needs, and preferably two heat conducting pipes 303 are connected to the first metal member 301 and the second metal member 302.
Further, the heating element 1 is connected with a throat pipe 101, and the heating element 1 is connected with the first metal element 301 through the throat pipe 101; the end of the throat 101 far away from the heating element 1 is penetratingly arranged in the first metal element 301, so that on one hand, the throat 101 can receive wires extruded by the extrusion device 4, and on the other hand, heat of the heating element 1 can be more efficiently conducted to the first metal element 301, and therefore heat dissipation is rapid.
Referring to fig. 3-5, the heat dissipating device for a 3D printer nozzle according to the present embodiment further includes a mounting plate 5, a mounting groove 501 is formed at the bottom of the mounting plate 5, and the first metal member 301 is connected to the mounting groove 501 in a clamping manner;
the two opposite sides of the second metal piece 302 are provided with clamping pieces 304, one side of the mounting plate 5 facing the heat conducting component is provided with fixing pieces 502 corresponding to the positions of the clamping pieces 304, and the clamping pieces 304 are abutted against the fixing pieces 502.
Specifically, the first metal member 301 is fixedly installed in the installation groove 501, and the first metal member 301 may be illustratively engaged with the installation groove 501, or may be fixedly connected with the installation groove 501 by a fastener such as a bolt;
the second metal piece 302 is abutted to the fixing piece 502 on one side of the mounting plate 5 through the clamping piece 304, as a preferred embodiment, the fixing piece 502 can be further provided with a first threaded hole, a second threaded hole is formed in a position, corresponding to the threaded hole, of the clamping piece 304, and the second metal piece 302 is further fixed on one side of the mounting plate 5 through threaded connection screws in the first threaded hole and the second threaded hole, so that connection of the two is more stable.
Referring to fig. 3, the connection manner between the first metal member 301 and the second metal member 302 and the heat conducting tube 303 is specifically as follows: a first clamping groove 305 is formed in one side, away from the mounting plate 5, of the first metal piece 301, and a first end of the heat conducting pipe 303 is clamped in the first clamping groove 305; a second clamping groove 306 is formed in a side, facing the mounting plate 5, of the second metal piece 302, and a second end of the heat conducting pipe 303 is clamped in the second clamping groove 306.
It should be noted that, the heat conducting tube 303 is a heat conducting copper tube, and has the characteristic of active heat dissipation, and the heat generated by the heating element 1 can be actively conducted by utilizing the condensation of the liquid in the heat conducting copper tube to convert heat, so as to achieve the purpose of efficiently performing cold-heat exchange.
Further, the extruding device 4 includes two extruding wheels 401, a portion, away from the heat conducting component, of the mounting plate 5, corresponding to the two extruding wheels 401, is provided with a fixing mounting groove 503 for placing the two extruding wheels 401, and the shape and size of the fixing mounting groove 503 are adapted to those of the two extruding wheels 401, and the two extruding wheels 401 are respectively rotatably mounted in the fixing mounting groove 503.
As a specific embodiment, the two extrusion wheels 401 comprise a first extrusion wheel and a second extrusion wheel, and the fixed mounting groove 503 comprises a first mounting groove for rotationally connecting the first extrusion wheel and a second mounting groove for rotationally connecting the second extrusion wheel; when the first extrusion wheel rotates clockwise, the second extrusion wheel rotates anticlockwise; when the first extrusion wheel rotates counterclockwise, the second extrusion wheel rotates clockwise.
Preferably, the centers of the two extrusion wheels 401 are respectively provided with a rotation hole, and the fixed mounting groove 503 is provided with a rotation shaft corresponding to the rotation hole, and the rotation shaft is rotationally connected with the rotation hole.
Further, a conveying channel (not shown in the drawing) for extruding or drawing back the wire rod is arranged between the two extruding wheels 401; the tank bottom of the installation tank 501 is provided with a feeding hole 504 in a penetrating manner, a first end of the feeding hole 504 is communicated with the throat pipe 101, and a second end of the feeding hole 504 is communicated with the conveying channel.
Specifically, the two extrusion wheels 401 can extrude and convey the wire rod in the conveying channel to the second end of the feeding hole 504 through forward and backward rotation, and convey the wire rod into the throat 101 through the first end of the feeding hole 504; alternatively, the wire in the feed hole 504 is drawn back to replace the wire for 3D printing.
Further, a feeding through hole 505 for the wire rod to pass through is further formed on one side of the mounting plate 5 away from the heat conducting component, and the feeding through hole 505 is communicated with one end of the conveying channel away from the first metal part 301.
The feeding through hole 505 is used for placing the wire and feeding the wire into the conveying path between the two extrusion wheels 401.
Further, the cooling fan 2 is fixedly connected with the second metal piece 302 through a mechanical fastener, and an air outlet of the cooling fan 2 is aligned with the second metal piece 302.
Specifically, four corners of the cooling fan 2 are fixedly connected with the second metal member 302 by mechanical fasteners such as screws; the second metal piece 302 is further provided with a ventilation cavity for ventilation, and the air outlet of the cooling fan 2 is aligned with the ventilation cavity of the second metal piece 302 for ventilation and heat dissipation.
Example two
A3D printer comprises a frame, wherein the 3D printer nozzle heat dissipation device according to any one of the embodiment is movably arranged on the frame, and 3D printing is performed according to a preset model by controlling the 3D printer nozzle heat dissipation device to move. Therefore, the specific structure and technical effects of the 3D printer head heat dissipation device described in the first embodiment refer to the 3D printer head heat dissipation device in this embodiment, which also has the technical effects.
Note that the above embodiments are merely preferred embodiments of the present utility model and the technical principles applied, and are not limiting. Various obvious changes, readjustments and substitutions of the technical solutions described in the foregoing embodiments will be made by those skilled in the art according to the idea of the embodiments of the utility model without departing from the scope of the utility model. Accordingly, the description is not to be taken as limiting the utility model.
Claims (9)
1. The spray head heat dissipation device of the 3D printer comprises a heating piece (1) and is characterized by further comprising a heat dissipation fan (2) arranged above the heating piece (1), wherein a heat conduction component is arranged between the heat dissipation fan (2) and the heating piece (1);
the heat conduction assembly comprises a first metal piece (301) connected with the heating piece (1) and a second metal piece (302) connected with the cooling fan (2), and a plurality of heat conduction pipes (303) are connected between the first metal piece (301) and the second metal piece (302); the first metal piece (301) is provided with an extrusion device (4) for extruding or drawing back the wire.
2. The 3D printer nozzle heat sink according to claim 1, wherein the heating element (1) is connected with a throat (101); one end of the throat pipe (101) far away from the heating piece (1) penetrates through the first metal piece (301) and is used for receiving wires extruded by the extrusion device (4).
3. The 3D printer nozzle heat dissipation device according to claim 2, further comprising a mounting plate (5), wherein a mounting groove (501) is formed in the bottom of the mounting plate (5), and the first metal piece (301) is in snap connection with the mounting groove (501);
clamping pieces (304) are arranged on two opposite sides of the second metal piece (302), and fixing pieces (502) used for abutting the clamping pieces (304) are respectively arranged at positions, corresponding to the clamping pieces (304), of one side of the mounting plate (5) facing the heat conducting component.
4. A 3D printer nozzle heat sink according to claim 3, wherein a first clamping groove (305) is formed on a side of the first metal piece (301) away from the mounting plate (5), and a second clamping groove (306) is formed on a side of the second metal piece (302) facing the mounting plate (5);
the first end of the heat conduction pipe (303) is clamped in the first clamping groove (305), and the second end of the heat conduction pipe (303) is clamped in the second clamping groove (306).
5. A 3D printer nozzle heat sink according to claim 3, wherein the extruding device (4) comprises two extruding wheels (401), a fixed mounting groove (503) is formed in a position, corresponding to the two extruding wheels (401), of one side of the mounting plate (5) away from the heat conducting component, and the two extruding wheels (401) are rotatably mounted in the fixed mounting groove (503) respectively.
6. The 3D printer nozzle heat sink according to claim 5, wherein a conveying channel for wire extrusion or back drawing is provided between the two extrusion wheels (401);
the tank bottom of the mounting groove (501) is provided with a feeding hole (504) in a penetrating mode, a first end of the feeding hole (504) is communicated with the throat pipe (101), and a second end of the feeding hole (504) is communicated with the conveying channel.
7. The heat dissipation device for the spray head of the 3D printer according to claim 6, wherein a material conveying through hole (505) for a wire rod to pass through is formed on one side, away from the heat conduction assembly, of the mounting plate (5), and the material conveying through hole (505) is communicated with one end, away from the first metal piece (301), of the conveying channel.
8. The 3D printer nozzle heat sink according to claim 1, wherein the heat dissipating fan (2) is fixedly connected to the second metal piece (302) by a bolt; the air outlet of the cooling fan (2) is aligned with the second metal piece (302).
9. A 3D printer comprising a frame, wherein the 3D printer nozzle heat sink as claimed in any one of claims 1 to 8 is movably arranged on the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321834683.1U CN220763573U (en) | 2023-07-12 | 2023-07-12 | 3D printer shower nozzle heat abstractor and 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321834683.1U CN220763573U (en) | 2023-07-12 | 2023-07-12 | 3D printer shower nozzle heat abstractor and 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220763573U true CN220763573U (en) | 2024-04-12 |
Family
ID=90621650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321834683.1U Active CN220763573U (en) | 2023-07-12 | 2023-07-12 | 3D printer shower nozzle heat abstractor and 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220763573U (en) |
-
2023
- 2023-07-12 CN CN202321834683.1U patent/CN220763573U/en active Active
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