CN106827536B - 3D printer adjustable nozzle component - Google Patents
3D printer adjustable nozzle component Download PDFInfo
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- CN106827536B CN106827536B CN201710094864.8A CN201710094864A CN106827536B CN 106827536 B CN106827536 B CN 106827536B CN 201710094864 A CN201710094864 A CN 201710094864A CN 106827536 B CN106827536 B CN 106827536B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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Abstract
The invention discloses a kind of 3D printer adjustable nozzle components, comprising: heat-shield mechanism includes top tube, middle tube, and down tube；Cooling mechanism includes heat-dissipating pipe, cooling fin, groove, and upper tube is spirally connected with heat-dissipating pipe；One end of passage is bonded with necking, and the other end is connected to the upper surface of middle pipe；Down tube is spirally connected with heat block；Spray head includes screw part and sliding part, and screw part is spirally connected with heat block；Regulating mechanism includes: inversion T-bar；Disk, it includes holding tank, accommodating groove, multiple extrusion cavities are set at accommodating groove bottom center, the upper end of accommodating groove forms the condensation unit with bayonet to internal condensation, the upper screwed hole closed with the lower corresponding threaded holes of screw part is equipped in the condensation unit above each extrusion cavities, when screwing togather stationary nozzle and disk, make the one of extrusion cavities of the central aperture of sliding part.The heat that there is the present invention effective diffusion to be transferred to heat-dissipating pipe, regulating mechanism and spray head match, and deploy the beneficial effect of the size in spray head aperture.
Description
Technical field
The present invention relates to a kind of 3D printing technique fields.It is more particularly related to which a kind of 3D printer is with adjustable
Nozzle component.
Background technique
Molten copper infiltration is current with the fastest developing speed, most promising 3D printing rapid shaping technique.Fusion sediment
Molding working principle is to first pass through heat-fusible materials, such as ABS after heater fusing is pumped into Filamentous supply, FDM molding equipment is logical
Cross wire feeder and Filamentous printed material be sent into hot melt spray head, be heated thawings in spray head, spray head along part section profile with
Track movement is filled, the material of half flow regime is squeezed out and is deposited on according to the path that converted products CAD individual-layer data controls
Specified position solidification forming, and bonded with the material of surrounding, layer upon layer molding.Each synusia is in upper one layer upper heap
Product forms, and upper one layer is played the role of positioning and support to current layer, so the techniques such as FDM are referred to as 3D printing forming technique.
The material that melting extrusion forms (FDM) technique is usually thermoplastic material, is fed by wire feeder with filiform.
Molten copper infiltration mechanism includes three-axis moving mechanism, wire feeder, printing head and control mechanism.Wherein, it send
Filamentous printed material is sent into printing head thawing by motor and printed by silk structure；Heating device in printing head will
The Filamentous printed material that wire feeder is sent into is heated to molten state, then squeezes out under the extruding force of the non-melted material of wire feeder again
Printing head is deposited on one layer of product and is cooled and shaped.Currently, the 3D printer based on FDM technology is frequent in use
The problem of wire rod expansion results in blockage is encountered, traces it to its cause and essentially consists in, is melted at spray head hot end after plastic wire is heated, simultaneously
Due to the effect of heat transfer, heat can be communicated up with wire rod, and the wire rod above hot end is caused to expand, wire rod expansion after with it is interior
Lining generates huge frictional force, causes the problem of wire feed difficulty, and in the material extrusion nozzle of the printing head of conventional 3D printer
Diameter cross sectional shape only has fixed circle, the given volume of unit time inner nozzle spinneret.Due to nozzle inside diameter area of section
It is non-adjustable, it not can be effectively controlled the print speed of 3D printer, however it is directed to different printing purposes and different print areas,
Need different print speed.
Summary of the invention
It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of 3D printer adjustable nozzle components, can effectively spread biography
It is handed to the heat of heat-dissipating pipe, matching for regulating mechanism and spray head can be spaced the size in allotment spray head aperture, can be effective
Realization printer head extruded velocity regulation.
In order to realize these purposes and other advantages according to the present invention, a kind of 3D printer adjustable nozzle group is provided
Part, including cooling mechanism, passage, heat-shield mechanism, heat block and the spray for being successively detachably connected and being coaxially disposed from top to bottom
Head；
The heat-shield mechanism includes the top tube, middle tube, and down tube for being integrally formed and being connected to, and the top tube and down tube periphery is equal
With external screw thread；
The cooling mechanism includes heat-dissipating pipe, along multiple cooling fins of the heat dissipation pipe outer wall circumferential direction spacing setting, wherein
The heat-dissipating pipe has a groove close to one end of the heat-shield mechanism, the upper tube be inserted into the groove with the heat-dissipating pipe spiral shell
It connects, the one end of the heat-dissipating pipe far from the heat-shield mechanism forms necking to internal condensation；
One end of the passage is inserted into the heat-dissipating pipe and is bonded with the necking, and the other end is connected in described
The upper surface of pipe；
The heat block upper surface, which is recessed downwards, forms accommodation groove, and the heat block lower surface is recessed upwards forms through-hole,
The accommodating groove bottom is communicated with the through-hole top surface, wherein the down tube be inserted into the accommodation groove with the heat block spiral shell
It connects；
The spray head include be integrally formed in a tubular form and be connected to screw part and sliding part, the cross section of the sliding part
Outer peripheral diameter be greater than the screw part cross section outer peripheral diameter, wherein the screw part be inserted into the through-hole with institute
It states heat block to be spirally connected, the sliding part top surface is located at the opposite two sides tool of the screw part, and there are two lower threaded hole, the slidings
Two sliding blocks are arranged in portion bottom surface spacing, and the line of two sliding blocks passes through the center of circle of the sliding part bottom surface, and two sliding block distances
The sliding part bottom surface center of circle is equidistant；
It further include regulating mechanism comprising:
It is inverted T-bar comprising be fixed in the vertical bar of the heat block lower surface vertically, be fixed in the vertical bar lower end surface
Cross bar；
Disk, level are set to the cross bar downside, are equipped at the disk upper surface center for accommodating the cross
The holding tank of bar, so that the disk horizontally rotates by axis of vertical bar, the disk upper surface is stored circumferentially arranged with circular ring shape
Slot, so as to store the sliding part of the spray head when disk rotational, spacing setting is multiple at the accommodating groove bottom center is squeezed
Portal, the upper end of the accommodating groove forms the condensation unit with bayonet to internal condensation, is located at two sides above each extrusion cavities
Condensation unit on be equipped with the upper screwed hole closed with the lower corresponding threaded holes of screw part, to screw togather the fixed spray head and disk
When, make the one of extrusion cavities of the central aperture of the sliding part, wherein multiple extrusion cavities form a circular ring shape, and hole
Diameter successively successively decreases, and the maximum diameter of hole of the extrusion cavities is equal to the aperture of the spray head, and the minimum-value aperture of the extrusion cavities is equal to institute
The half for stating the aperture of spray head has one in the condensation unit between the maximum diameter of hole and minimum-value aperture of the extrusion cavities
Notch, so that the sliding part passes in and out the accommodating groove；
Wherein, the tube wall of the upper tube is made of aluminum alloy materials, and the tube wall of the down tube is made of red copper material, described
The tube wall of middle pipe includes Stainless Steel Shell and is filled in the intracorporal aeroge of the shell；
The necking, passage, middle pipe, the aperture of down tube and spray head are identical, and are sequentially communicated.
Preferably, the thickness of cooling fin is incremented by successively from top to bottom, from top to bottom between two cooling fins of arbitrary neighborhood
Distance successively successively decrease.
Preferably, the height ratio of the height of the accommodation groove and the through-hole is 1:6.
Preferably, the circumferentially arranged circle steel ball of the holding tank inner sidewall, the steel ball are located in the holding tank
Between side wall and the both ends of the cross bar, the disk top surface is located at the receiving groove center and is installed with protrusion, and the protrusion is
Half ball-point pen type, one end that the T-bar is located at disk top surface are recessed inwardly to accommodate the protrusion.
Preferably, the heat dissipation tube wall is hollow structure, with a thickness of 2-3mm, filling in the tube wall of the heat-dissipating pipe
Heat conduction material.
Preferably, the Heat Conduction Material is one of heat-conducting silicone grease, heat-conducting cream, heat dissipation oil.
The present invention is include at least the following beneficial effects:
The first, use of the 3D printer in adjustable nozzle component by cooling mechanism of the present invention, can be effective
Diffusion be transferred to the heat of heat-dissipating pipe, heat-shield mechanism includes the top tube, middle tube, and down tube for being integrally formed and being connected to, wherein on
Pipe is inserted into the groove of the heat-dissipating pipe, is made of aluminum alloy materials, and aluminum alloy materials have certain degree of hardness so that heat-dissipating pipe
It is the good conductor of heat while being fixedly connected with the heat-shield mechanism, does not influence the export of heat dissipation tubular heat, middle pipe includes not
Become rusty steel sheel and aeroge, be the non-conductor of heat and also by by aeroge be fixedly arranged in Stainless Steel Shell increase every
Be conducive to the fixation between top tube and down tube and middle pipe while the effect of heat, the down tube is red copper material, thermal coefficient
It is very high, for fixing while not influencing the transmitting of heat block heat, the formation of heat build-up point is effectively avoided, is adjusted
Section mechanism and spray head match, and can be spaced the size in allotment spray head aperture, can effectively realize that printer head squeezes
The regulation of speed out.
The second, of the present invention even because of heat-dissipating pipe uneven heating, the temperature close to one end of the heat block is much larger than
One end far from the heat block, the thickness of cooling fin and the setting of spacing can reach best with minimal amount of cooling fin
Heat dissipation effect.
Accommodation groove and via height is arranged in the fixed function for playing and forming a connecting link in third, heat block of the present invention
While, the consumptive material in the spray head effectively can be acted on using heat block, improve the service efficiency of heat block heat.
4th, passage of the present invention is made using polytetrafluoroethylene material, effectively reduces consumptive material and passage
Inner wall between frictional force, avoid consumptive material in the problem of the guide in-pipe difficulty.
5th, one end that half ball-point pen type protrusion of the invention and the T-bar are located at disk top surface is recessed inwardly to accommodate
The setting for stating protrusion can preferably solve the problems, such as that disk is rotated around the T-bar.
6th, Heat Conduction Material is filled in the tube wall of heat-dissipating pipe of the present invention, it is further to improve heat in heat-dissipating pipe
Derived efficiency.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the structure broken away view of 3D printer adjustable nozzle component of the present invention；
Fig. 2 is the combination assumption diagram of 3D printer adjustable nozzle component of the present invention；
Fig. 3 is the structural schematic diagram of spray head of the present invention；
Fig. 4 is the structural schematic diagram of disk of the present invention；
Fig. 5 is the bottom view of disk of the present invention；
Fig. 6 is the top view of disk upper surface of the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
As shown in figures 1 to 6, the present invention provides a kind of 4 component of 3D printer adjustable nozzle, including successively may be used from top to bottom
Dismantling connection and cooling mechanism 1, passage 5, heat-shield mechanism 2, heat block 3 and the spray head 4 being coaxially disposed, it is characterised in that；
The heat-shield mechanism 2 includes upper tube 20, middle pipe 21 and the down tube 22 for being integrally formed and being connected to, and the upper tube 20 is under
22 periphery of pipe all has external screw thread, and the upper tube 20 is used for and cooling mechanism 1 is spirally connected, and the down tube 22 is used for and 3 spiral shell of heat block
It connects；
The cooling mechanism 1 includes heat-dissipating pipe 10, dissipates along circumferential multiple away from setting between the upper and lower of 10 outer wall of heat-dissipating pipe
Backing 11, wherein the heat-dissipating pipe 10 has groove 12 close to one end of the heat-shield mechanism 2, and the groove 12 is circular ring shape,
12 inner wall of groove has the internal screw thread matched with the external screw thread of the upper tube 20, and the upper tube 20 is inserted into the groove 12
To be spirally connected with the heat-dissipating pipe 10, after the upper tube 20 is screwed into the heat-dissipating pipe 10, the middle pipe 21 is located at the upper tube
The lower end face contact of upper surface and the heat-dissipating pipe 10 in 20, one end water of the heat-dissipating pipe 10 far from the heat-shield mechanism 2
It puts down to internal condensation and forms necking 13；
One end of the passage 5 is inserted into the heat-dissipating pipe 10 and is bonded with the necking 13, and the other end is connected to
The upper surface of the middle pipe 21, i.e., the length of the described passage 5 are equal to 10 necking of heat-dissipating pipe, 13 lower surface to the heat dissipation
The height of 10 lower end surface of pipe；
3 upper surface of heat block, which is recessed downwards, forms accommodation groove 30, and the accommodation groove 30 is cylindrical, the accommodation groove
30 inner walls have the internal screw thread that matches with the external screw thread of the down tube 22, the down tube 22 be inserted into the accommodation groove 30 with institute
It states heat block 3 to be spirally connected, after the down tube 22 is screwed into the heat block 3, under the middle pipe 21 is located at outside the down tube 22
The upper end face contact on surface and the heat block 3,3 lower surface of heat block is recessed upwards forms through-hole 31, the accommodation groove
30 bottom surfaces are communicated with 31 top surface of through-hole, and the size in the aperture communicated is equal to the size in the aperture of through-hole 31；
The spray head 4 include be integrally formed in a tubular form and be connected to screw part 40 and sliding part 41, the screw part 40
Identical with the aperture of the sliding part 41, the outer peripheral diameter of the cross section of the sliding part 41 is greater than the transversal of the screw part 40
The outer peripheral diameter in face, wherein the through-hole 31 has internal screw thread, and the screw part 40 is outer with what is matched with the through-hole 31
Screw thread, the screw part 40 are inserted into the through-hole 31 to be spirally connected with the heat block 3, the screw part 40 and 31 spiral shell of through-hole
After connecing completely, the upper surface of the screw part 40 is connected to the lower end surface of the down tube 22, and the upper surface of the sliding part 41 is not
It is abutted with the lower end surface of the heat block 3,41 top surface of sliding part is located at there are two the opposite two sides tools of the screw part 40
Lower threaded hole 43,41 bottom surface of sliding part are located at the opposite two sides relative spacing of the screw part 40 and two sliding blocks 42 are arranged,
The line of two sliding blocks 42 passes through the center of circle of 41 bottom surface of sliding part, and two sliding blocks 42 are apart from 41 bottom surface of sliding part circle
The heart is equidistant；
It further include regulating mechanism comprising:
It is inverted T-bar 60 comprising be fixed in the vertical bar of 3 lower surface of heat block vertically, level is fixed in described erect
The cross bar of bar lower end surface；
Disk 61, level are set to the cross bar downside, and raising upward at the 61 upper surface center of disk 69 is equipped with
For accommodating the holding tank 63 of the cross bar, so that the disk 61 horizontally rotates by axis of vertical bar, 61 upper surface of disk
It circumferentially is equipped with circular ring shape accommodating groove 64 to lower recess, so that the disk 61 stores the sliding part 41 of the spray head 4 when rotating,
Multiple extrusion cavities 65 are arranged in spacing at 64 bottom center of accommodating groove, and the upper end horizontal direction internal condensation of the accommodating groove 64 is formed
Condensation unit 67 with bayonet 66 is equipped with and screw part 40 in the condensation unit 67 of two sides above each extrusion cavities 65
The upper screwed hole 68 that matches of lower threaded hole 43 make the sliding part 41 when screwing togather the fixed spray head 4 with disk 61
The one of extrusion cavities 65 of central aperture, wherein multiple extrusion cavities 65 form a circular ring shape, and aperture is successively successively decreased, institute
The maximum diameter of hole for stating extrusion cavities 65 is equal to the aperture of the spray head 4, and the minimum-value aperture of the extrusion cavities 65 is equal to the spray head 4
The half in aperture has a notch in the condensation unit 67 between the maximum diameter of hole and minimum-value aperture of the extrusion cavities 65
670, so that the sliding part 41 passes in and out the accommodating groove 64, wherein as Figure 4-Figure 6, there are six size successively gradual changes altogether
Extrusion cavities 65, this is one of technical solution, the number of extrusion cavities 65 and the size setting in aperture, can basis
Actual needs are configured；
Wherein, the tube wall of the upper tube 20 is made of aluminum alloy materials, and the tube wall of the down tube 22 is made of red copper material,
The tube wall of the middle pipe 21 includes Stainless Steel Shell 210 and the aeroge 211 that is filled in the shell 210；
The necking 13, passage 5, middle pipe 21, the aperture of down tube 22 and spray head 4 are identical, and are sequentially communicated.
In the above-mentioned technical solutions, in use process, the filamentary material for printing passes through passage 5, reaches heat-insulated machine
Structure 2 reaches the spray head 4 in heat block 3 by heat-shield mechanism 2, and the filamentary material for printing melts under the action of heat block 3
At liquid-like material, the material silk of fusing squeezes out the extrusion cavities 65 for reaching disk 61 by spray head 4, then disk 61 and spray head 4
It is thin at accurate physical unit to squeeze out semifluid thermoplastic material deposition cure for profile accurate motion along each section of part
Layer, is covered on the part built, and quick solidification, one formable layer of every completion, and workbench just declines a layer height, then into
The scanning spinneret of the next layer cross section of row, layer by layer deposition, successively by bottom to top is piled into this way by the last one layer repeatedly
One physical model or part, wherein, can be by adjusting 4 internal diameter section face of spray head during printer print job
Product effectively controls the print speed of 3D printer.
In another technical solution, the thickness of cooling fin 11 is incremented by successively from top to bottom, from top to bottom arbitrary neighborhood two
The distance between a cooling fin 11 successively successively decreases.Using this technical solution, because 10 uneven heating of heat-dissipating pipe is even, close to described
The temperature of one end of heat block 3 is much larger than one end far from the heat block 3, and the thickness of cooling fin 11 and the setting of spacing can
Reach best heat dissipation effect with minimal amount of cooling fin 11.
In another technical solution, the height ratio of the height of the accommodation groove 30 and the through-hole 31 is 1:6.Using this
Technical solution is planted, being arranged in for 31 height of accommodation groove 30 and through-hole plays the fixed function formed a connecting link in the heat block 3
Meanwhile, it is capable to effectively act on the consumptive material in the spray head 4 using heat block 3, the service efficiency of 3 heat of heat block is improved.
In another technical solution, the passage 5 is made of polytetrafluoroethylene material.Using this technical solution,
The frictional force between consumptive material and the inner wall of passage 5 is effectively reduced, consumptive material mobile difficulty in the passage 5 is avoided
Problem.
In another technical solution, the circumferentially arranged circle steel ball 62 of 63 inner sidewall of holding tank, the steel ball 62
Between 63 inner sidewall of holding tank and the both ends of the cross bar, 61 top surface of disk is located at 63 center of holding tank
Being installed with protrusion 69, described raised 69 is half ball-point pen type, and one end that the T-bar 60 is located at 61 top surface of disk is recessed inwardly to hold
Receive described raised 69.Using this technical solution, it can preferably solve the problems, such as that disk 61 is rotated around the T-bar 60.
In another technical solution, 10 tube wall of heat-dissipating pipe is hollow structure, with a thickness of 2-3mm, the heat-dissipating pipe
Heat Conduction Material is filled in 10 tube wall.Using this technical solution, Heat Conduction Material is filled in the tube wall of the heat-dissipating pipe 10, into one
The raising of step is by the efficiency of heat derives in heat-dissipating pipe 10.
In another technical solution, the Heat Conduction Material is one of heat-conducting silicone grease, heat-conducting cream, heat dissipation oil.Using
This technical solution, heat-conducting silicone grease, heat-conducting cream, heat dissipation oil are the good conductor of heat, and further improve will be hot in heat-dissipating pipe 10
Measure derived efficiency.
Number of devices and treatment scale described herein are for simplifying explanation of the invention.To 3D printer of the present invention
It will be readily apparent to persons skilled in the art with the application of adjustable nozzle component, modifications and variations.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (7)
1. a kind of 3D printer adjustable nozzle component, including the heat dissipation machine for being successively detachably connected and being coaxially disposed from top to bottom
Structure, passage, heat-shield mechanism, heat block and spray head, it is characterised in that；
The heat-shield mechanism includes the top tube, middle tube, and down tube for being integrally formed and being connected to, and the top tube and down tube periphery all has
External screw thread；
The cooling mechanism includes heat-dissipating pipe, along multiple cooling fins of the heat dissipation pipe outer wall circumferential direction spacing setting, wherein described
Heat-dissipating pipe has a groove close to one end of the heat-shield mechanism, and the upper tube is inserted into the groove to be spirally connected with the heat-dissipating pipe,
The one end of the heat-dissipating pipe far from the heat-shield mechanism forms necking to internal condensation；
One end of the passage is inserted into the heat-dissipating pipe and is bonded with the necking, and the other end is connected to the middle pipe
Upper surface；
The heat block upper surface, which is recessed downwards, forms accommodation groove, and the heat block lower surface is recessed upwards forms through-hole, described
Accommodating groove bottom is communicated with the through-hole top surface, wherein the down tube is inserted into the accommodation groove to be spirally connected with the heat block；
The spray head includes being integrally formed in a tubular form and the screw part and sliding part that are connected to, the cross section of the sliding part it is outer
All diameters are greater than the outer peripheral diameter of the cross section of the screw part, wherein the screw part is inserted into the through-hole to add with described
Heat block is spirally connected, and the sliding part top surface is located at the opposite two sides tool of the screw part, and there are two lower threaded hole, the sliding part bottoms
Two sliding blocks are arranged in interplanar distance, and the line of two sliding blocks passes through the center of circle of the sliding part bottom surface, and described in two sliding block distances
The sliding part bottom surface center of circle is equidistant；
It further include regulating mechanism comprising:
It is inverted T-bar comprising the cross for being fixed in the vertical bar of the heat block lower surface vertically, being fixed in the vertical bar lower end surface
Bar；
Disk, level are set to the cross bar downside, are equipped at the disk upper surface center for accommodating the cross bar
Holding tank so that the disk horizontally rotates by axis of vertical bar, the disk upper surface circumferentially arranged with circular ring shape accommodating groove, with
Making the sliding part that the spray head is stored when the disk rotational, multiple extrusion cavities are arranged in spacing at the accommodating groove bottom center,
The upper end of the accommodating groove forms the condensation unit with bayonet, the condensation of two sides above each extrusion cavities to internal condensation
It is equipped with the upper screwed hole closed with the lower corresponding threaded holes of sliding part in portion, when screwing togather the fixed spray head and disk, makes institute
State the one of extrusion cavities of central aperture of sliding part, wherein multiple extrusion cavities form a circular ring shape, and aperture is successively passed
Subtract, the maximum diameter of hole of the extrusion cavities is equal to the aperture of the spray head, and the minimum-value aperture of the extrusion cavities is equal to the spray head
The half in aperture has a notch in the condensation unit between the maximum diameter of hole and minimum-value aperture of the extrusion cavities, with
The sliding part is set to pass in and out the accommodating groove；
Wherein, the tube wall of the upper tube is made of aluminum alloy materials, and the tube wall of the down tube is made of red copper material, the middle pipe
Tube wall include Stainless Steel Shell and be filled in the intracorporal aeroge of the shell；
The necking, passage, middle pipe, the aperture of down tube and spray head are identical, and are sequentially communicated.
2. 3D printer as described in claim 1 adjustable nozzle component, which is characterized in that the thickness of cooling fin from top to bottom
Incremented by successively, the distance between two cooling fins of arbitrary neighborhood successively successively decrease from top to bottom.
3. 3D printer as described in claim 1 adjustable nozzle component, which is characterized in that the height of the accommodation groove and institute
The height ratio for stating through-hole is 1:6.
4. 3D printer as described in claim 1 adjustable nozzle component, which is characterized in that the passage is by polytetrafluoroethyl-ne
Alkene material is made.
5. 3D printer as described in claim 1 adjustable nozzle component, which is characterized in that the holding tank inner sidewall is along week
Steel ball is enclosed to setting one, the steel ball is between the holding tank inner sidewall and the both ends of the cross bar, the disk top surface
Be installed with protrusion positioned at the receiving groove center, the protrusion is half ball-point pen type, the T-bar be located at one end of disk top surface to
Sunken inside is to accommodate the protrusion.
6. 3D printer as described in claim 1 adjustable nozzle component, which is characterized in that the heat dissipation tube wall is hollow
Structure fills Heat Conduction Material with a thickness of 2-3mm in the tube wall of the heat-dissipating pipe.
7. 3D printer as claimed in claim 6 adjustable nozzle component, which is characterized in that the Heat Conduction Material is thermal conductive silicon
One of rouge, heat-conducting cream, heat dissipation oil.
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| CN201710094864.8A CN106827536B (en) | 2017-02-22 | 2017-02-22 | 3D printer adjustable nozzle component |
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| CN201710094864.8A CN106827536B (en) | 2017-02-22 | 2017-02-22 | 3D printer adjustable nozzle component |
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| CN106827536B true CN106827536B (en) | 2019-05-24 |
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| CN107877864B (en) * | 2017-12-15 | 2024-03-12 | 北京科技大学 | 3D printer material transmission device |
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| CN103568154A (en) * | 2013-11-17 | 2014-02-12 | 上海唯思能机电科技有限公司 | Feeding venturi and feeding structure for 3D printer |
| CN204431738U (en) * | 2014-12-30 | 2015-07-01 | 时间环（北京）科技有限公司 | A kind of heat abstractor of 3D printhead and printer |
| EP3064193A1 (en) * | 2015-03-06 | 2016-09-07 | Coltène/Whaledent AG | Cartridge with composite material |
| CN105965898A (en) * | 2016-07-04 | 2016-09-28 | 吉林省夏唯自动化工程有限公司 | 3D printer sprayer with rotation switching function |
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| EP3094477A1 (en) * | 2014-01-14 | 2016-11-23 | King's College London | 3d printing of facial prostheses |
| KR101733595B1 (en) * | 2015-06-18 | 2017-05-08 | 주식회사 3디나라 | The nozzle device for 3d printer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568154A (en) * | 2013-11-17 | 2014-02-12 | 上海唯思能机电科技有限公司 | Feeding venturi and feeding structure for 3D printer |
| CN204431738U (en) * | 2014-12-30 | 2015-07-01 | 时间环（北京）科技有限公司 | A kind of heat abstractor of 3D printhead and printer |
| EP3064193A1 (en) * | 2015-03-06 | 2016-09-07 | Coltène/Whaledent AG | Cartridge with composite material |
| CN105965898A (en) * | 2016-07-04 | 2016-09-28 | 吉林省夏唯自动化工程有限公司 | 3D printer sprayer with rotation switching function |
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