CN204725853U - Air heat insulation formula 3D printer nozzle - Google Patents
Air heat insulation formula 3D printer nozzle Download PDFInfo
- Publication number
- CN204725853U CN204725853U CN201520274628.0U CN201520274628U CN204725853U CN 204725853 U CN204725853 U CN 204725853U CN 201520274628 U CN201520274628 U CN 201520274628U CN 204725853 U CN204725853 U CN 204725853U
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- contiguous block
- nozzle
- stainless steel
- fan
- heat
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Abstract
The utility model provides a kind of air heat insulation formula 3D printer nozzle, the nozzle comprising contiguous block and be fixedly connected on heat block and stainless steel trunnion, between the lower end of stainless steel trunnion and upper contiguous block, there is gap, teflon pipe is set with in stainless steel trunnion, the upper end of teflon pipe is placed in described upper contiguous block, the teflon pipe opening of the lower end of upper contiguous block is provided with radiating piece, is also provided with the aft-fan adapted with radiating piece in the side of upper contiguous block.It is contactless state between stainless steel trunnion and upper contiguous block, which reduces heat block to pass to heat on stainless steel trunnion and upwards pass to contiguous block to greatest extent, go up that contiguous block can not temperature be too high causes component damage like this, also need not be exotic material.
Description
Technical field
The utility model relates to a kind of 3D printer, particularly relates to a kind of 3D printer nozzle cooling device.
Background technology
The extrusion device ubiquity design of current 3D desktop printer is on the market loaded down with trivial details, and mounting or dismounting comparatively bother, and particularly extrusion device cooling effect is not obvious.
But extrusion device is when long-term work, because the liquid consumptive material that still there will be in heat block can overflow from trunnion, easily there is blocking, leak glue, tomography, hanging wire phenomenon, directly the speed of impact printing, the fineness on precision and surface.Trunnion can cause temperature too high and the connector be attached thereto is needed being exotic material owing to being connected with heat block simultaneously.
As disclosed a kind of 3D desktop printer in Chinese patent CN 203937193 U, shown in its accompanying drawing 1, the 3D printer extrusion device of prior art, comprises extruder; The bottom of described extruder is provided with nozzle; The front side of described extruder is provided with forefan; Fin is provided with between described forefan and the front side of extruder.Although dispelling the heat to the heater block of extruder inside of forefan and fin, prevent that temperature is too high to be caused extruder internals to damage serving certain cooling effect, cooling-down effect be not fine, also can there is above-mentioned phenomenon.
Summary of the invention
For above-mentioned technical problem to be solved, the utility model provides a kind of structure simple, and mounting or dismounting are convenient, and cooling is fast, prevents the nozzle cooling device that liquid consumptive material can overflow from trunnion.
Air heat insulation formula 3D printer nozzle, the nozzle comprising contiguous block and be fixedly connected on heat block and stainless steel trunnion, between the lower end of stainless steel trunnion and upper contiguous block, there is gap, teflon pipe is set with in stainless steel trunnion, the upper end of teflon pipe is placed in described upper contiguous block, the teflon pipe opening of the lower end of upper contiguous block is provided with radiating piece, is also provided with the aft-fan adapted with radiating piece in the side of upper contiguous block.
Further, the lower ending opening direction of above-mentioned radiating piece is consistent with the blowing direction of aft-fan, and in circular-arc-shaped design.
Further, above-mentioned nozzle establishes the crosswind fan of band customization fan housing, and the Way out of customization fan housing points to nozzle, and crosswind fan is placed on contiguous block and heat block.
Beneficial effect: be 1. contactless state between stainless steel trunnion and upper contiguous block, which reduces heat block to pass to heat on stainless steel trunnion 6 and upwards pass to contiguous block 1 to greatest extent, go up that contiguous block can not temperature be too high causes component damage like this, also need not be exotic material.
2. be set with teflon pipe 9 in stainless steel trunnion 6, because teflon pipe fusing point is higher than printed consumptive material, and thermal heat transfer capability is poor, plays the heat-blocking action between stainless steel trunnion 6 and consumptive material, and consumptive material in teflon pipe is not easily melted; Thus reduce the reflux of liquid consumption material, ensure operationally can to weave silk endlessly in nozzle 4 front end, ensure the continuity of work.
3. the lower end of going up contiguous block 1 arranges radiating piece 7, adopts the good aluminium alloy fine finishining of heat radiation to form, the temperature in favourable so further reduction on contiguous block 1.
4. the design of crosswind fan 8, the effect of this design is that the thermal conductivity ratio heat-barrier material of the air of flowing is large, after aft-fan 8 is dried forward, air is made to form good convection current, rapidly heat block 5 is passed to the heat that stainless steel trunnion 6 and width be mapped on radiating piece 7 to take away rapidly, play quick cooling effect, thus make nozzle 4 melt intraluminal fluid state consumptive material not easily to run in the teflon pipe 9 in stainless steel trunnion 6.
5. the lower ending opening direction of radiating piece is consistent with the blowing direction of aft-fan, and in circular-arc-shaped design, the flow of to be also this add strong wind.
In a word, above-mentioned all designs are all in order to the liquid consumptive material in heat block can overflow from trunnion, occur blocking, leak glue, tomography, hanging wire phenomenon, the efficiency of the speed of directly impact printing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is assembly structure schematic diagram of the present utility model;
Be masked as in figure: the upper contiguous block of 1-; 2-crosswind is fanned; 3-customizes fan housing; 4-nozzle; 5-heat block; 6-stainless steel trunnion; 7-radiating piece; 8-aft-fan; 9-teflon pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing illustrate with detailed description of the invention to the utility model do further carefully describe:
In the present invention, the noun of locality such as " upper and lower, left and right " of use typically refers to reference to upper and lower, left and right shown in the drawings; " inside and outside " refers to profile inside and outside relative to each parts itself.
See Fig. 1 and 2, the two ends of the crosswind fan 2 of the utility model nozzle are fixedly connected on the rear end on contiguous block 1 and heat block 5 respectively, are arranged on the air outlet of the customization fan housing 3 on crosswind fan 2 towards nozzle 4; Crosswind is fanned after 2 winds go out, and is delivered to below nozzle on printout by the outlet of customization fan housing 3, makes extruded material drop on workbench cooling rapidly and formalize, can not produce tilting phenomenon.
Upper contiguous block 1 left end that aft-fan 8 is installed, radiating piece 7 is arranged on the lower end of contiguous block 1, the good aluminium alloy fine finishining of heat radiation is adopted to form, all there is larger ventilating opening from left to right, also there is ventilating opening simultaneously, the one side circular-arc-shaped design be connected with fan, reduces the resistance of fan blowing; Radiating piece 7 four jiaos has four screws, very convenient with mounting or dismounting at replacing nozzle.
As one distortion of the present utility model, aft-fan 8 two screws are fixed on upper contiguous block 1, both can be loaded on left end and also can load right-hand member or front end, and be applicable to our company's different type of machines.
Teflon pipe 9 is set with for connecting heat block 5 and upper contiguous block 1 in stainless steel trunnion 6, wherein there is gap (because the base of radiating piece 7 does not draw in figure) between stainless steel trunnion 6 and upper contiguous block 1, doing so avoids rust steel trunnion 6 and heat energy is passed to upper contiguous block 1, thus the temperature reduced on upper contiguous block 1, teflon pipe 9 is arranged in contiguous block 1; Because teflon pipe fusing point is higher than the fusing point of printed consumptive material, and thermal heat transfer capability is poor, plays the heat-blocking action between stainless steel trunnion 6 and consumptive material, and consumptive material in teflon pipe is not easily melted; Thus avoid the reflux of liquid consumption material, ensure operationally can to weave silk endlessly in nozzle 4 front end, ensure the continuity of work, avoid fault-layer-phenomenon.
Specifically, aft-fan 8 starts blowing, wind is by the ventilating opening of radiating piece 7 with circular-arc-shaped design, make air form good convection current, rapidly heat block 5 is passed to heat on radiating piece 7 and stainless steel trunnion 6 and takes away rapidly, play quick cooling effect, thus make nozzle 4 melt intraluminal fluid state consumptive material not easily to run in the teflon pipe 9 of suit to stainless steel trunnion 6, thus when avoiding printing, produce tomography, rust steel trunnion 6 lousiness, hanging wire, and not easily pull out phenomenon when changing consumptive material, directly improve print speed.
Crosswind is fanned after 2 winds go out, and to be delivered to below nozzle 4 on printout by the outlet of customization fan housing 3, makes extruded material drop on workbench cooling rapidly and formalize, can not produce tilting phenomenon.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.
Claims (3)
1. air heat insulation formula 3D printer nozzle, the nozzle (4) comprising contiguous block (1) and be fixedly connected on heat block (5) and stainless steel trunnion (6), it is characterized in that, between described stainless steel trunnion (6) and the lower end of upper contiguous block (1), there is gap, teflon pipe (9) is set with in described stainless steel trunnion (6), the upper end of described teflon pipe (9) is placed in described upper contiguous block (1), teflon pipe (9) opening of the lower end of described upper contiguous block (1) is provided with radiating piece (7), the aft-fan (8) adapted with described radiating piece (7) is also provided with in the side of upper contiguous block (1).
2. nozzle as claimed in claim 1, it is characterized in that, the lower ending opening direction of described radiating piece (7) is consistent with the blowing direction of aft-fan (8), and in circular-arc-shaped design.
3. nozzle as claimed in claim 1, it is characterized in that, described nozzle (4) establishes crosswind fan (2) of band customization fan housing (3), and the Way out of described customization fan housing (3) points to nozzle (4), and described crosswind fan (2) is placed on contiguous block (1) and heat block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520274628.0U CN204725853U (en) | 2015-05-02 | 2015-05-02 | Air heat insulation formula 3D printer nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520274628.0U CN204725853U (en) | 2015-05-02 | 2015-05-02 | Air heat insulation formula 3D printer nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204725853U true CN204725853U (en) | 2015-10-28 |
Family
ID=54384235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520274628.0U Expired - Fee Related CN204725853U (en) | 2015-05-02 | 2015-05-02 | Air heat insulation formula 3D printer nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204725853U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802407A (en) * | 2015-05-02 | 2015-07-29 | 湖北嘉一科技有限公司 | Air-insulated 3D (three-dimensional) printer nozzle |
| CN105904724A (en) * | 2016-04-13 | 2016-08-31 | 羊丁 | 3D print head cooling device |
| CN114851553A (en) * | 2022-04-03 | 2022-08-05 | 江苏铭亚科技有限公司 | High temperature resistant combined material continuous fibers 3D printing apparatus |
-
2015
- 2015-05-02 CN CN201520274628.0U patent/CN204725853U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802407A (en) * | 2015-05-02 | 2015-07-29 | 湖北嘉一科技有限公司 | Air-insulated 3D (three-dimensional) printer nozzle |
| CN105904724A (en) * | 2016-04-13 | 2016-08-31 | 羊丁 | 3D print head cooling device |
| CN114851553A (en) * | 2022-04-03 | 2022-08-05 | 江苏铭亚科技有限公司 | High temperature resistant combined material continuous fibers 3D printing apparatus |
| CN114851553B (en) * | 2022-04-03 | 2023-07-14 | 江苏铭亚科技有限公司 | High temperature resistant composite continuous fiber 3D printing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160106 Address after: 437300 Jia Jia Science Park, Ma Hong Kong Industrial Park, Hubei, Chibi Patentee after: HUBEI JOYE 3D HIGH TECH CO., LTD. Address before: 437600, Xianning, Hubei province Chibi Ma Hong Kong Industrial Park, Jia Science Park Patentee before: A Science and Technology Ltd. is praised in Hubei |
|
| 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: 20151028 Termination date: 20210502 |