CN208020755U - A kind of 3D printing pen - Google Patents
A kind of 3D printing pen Download PDFInfo
- Publication number
- CN208020755U CN208020755U CN201721888367.7U CN201721888367U CN208020755U CN 208020755 U CN208020755 U CN 208020755U CN 201721888367 U CN201721888367 U CN 201721888367U CN 208020755 U CN208020755 U CN 208020755U
- Authority
- CN
- China
- Prior art keywords
- nib
- subchannel
- gap
- printing pen
- shell
- 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
Links
- 238000010146 3D printing Methods 0.000 title claims abstract description 38
- 229920003023 plastic Polymers 0.000 claims abstract description 32
- 239000004033 plastic Substances 0.000 claims abstract description 32
- 238000007639 printing Methods 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 238000007711 solidification Methods 0.000 description 6
- 230000008023 solidification Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000000048 melt cooling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Abstract
The utility model belongs to field of mechanical technique, is related to a kind of 3D printing pen, and which solve existing 3D printing pens easily to block, the technical problems such as few that can draw style.This printing pen includes pen body, nib and shell, pen body is connected with nib, valve jacket is set in nib, between pen body and nib have for plastic melt by main channel, nib offers the subchannel being connected with main channel, shell has a gap being connected with subchannel, and the end of shell has a nozzle being connected with gap, and the area of section of gap and subchannel is respectively less than the area of section of main channel.The utility model have many advantages, such as plastic melt good fluidity, using stabilization, can draw it is full of flourishes.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of 3D printing pen.
Background technology
Currently, with the continuous development of science and technology, 3D printing technique has no longer been strange skill for the public
Art, it is also more and more extensive in the application of every field.3D printing pen is then one of them good example application, currently on the market
Common 3D printing pen is usually plastic hot melt type 3D printing pen, and operation principle is to be based on 3D printing, squeezes out the plastics that heat is melted,
Then rapid cooling in air, for final curing at stable state, 3D products can be completed by changing the motion path of nib
Printing.
Patent CN 204773647 U in China disclose a kind of 3D printing pen of replaceable pen point, including are connected through a screw thread
Mounted on the printing nib of printing housing forward end, the inside of printing housing forward end is equipped with connector body, printing nib
Tail portion be provided with the connector coordinated with connector body, nib is internal to be pierced by top nozzle from printing, and the tail of nozzle
Portion is connect by connector with feed pipe.
Although above-mentioned patent solves the problems, such as the difficult dismounting of the nib of original 3D printing pen, but still have following defect：
Plastic melt is flow to from nozzle from feed pipe by connector, is sprayed by nozzle, and connection of the plastic melt in nib
In device to this segment distance of nozzle, since the aperture of connector and nozzle is larger and distance is longer, the flow velocity of plastic melt
Relatively slow easily cooled solidification, causes spray nozzle clogging；And due to the design method of connector and nozzle so that above-mentioned nib is so-called
Diversification, be only applicable to round or oblate nozzle, and the change in size in aperture is smaller, cannot preferably realize various
Change, meets different printing demands.
Utility model content
The utility model is to be directed to the above-mentioned problems in the prior art, provides a kind of 3D printings pen, the utility model
The technical problem to be solved is that：How by avoiding plastic melt cooling plug nozzle in nib, plastic melt stream is improved
Dynamic fluency improves the stability in use of this 3D printing pen.
The purpose of this utility model can be realized by following technical proposal：
A kind of 3D printing pen, the printing pen includes pen body, nib and shell, and the pen body is connected with nib, described
Valve jacket is set in nib, which is characterized in that have between the pen body and nib for plastic melt by main channel, it is described
Nib offers the subchannel being connected with the main channel, and described shell has the gap being connected with the subchannel, institute
The end for stating a shell has the nozzle that is connected with gap, and the area of section of the gap and subchannel is respectively less than cutting for main channel
Face area.
Its operation principle is as follows：This printing pen when in use, after plastics are melted into melt, can pass sequentially through main logical
Road, subchannel, gap, finally outflow solidification is completed to draw from nozzle.Since the area of section of gap and subchannel is respectively less than
The area of section of main channel so that plastic melt from primary passageway stream toward this section of nozzle during flow velocity be comparatively fast not easy to solidify, protect
Card plastic melt can quickly reach nozzle and go out outflow, improve the fluency of plastic melt flowing, be effectively improved this 3D printing pen
Stability in use.The 3D printing pen referred in background technology cited patent file, although nib is detachably to available
In various sizes of round nozzle, but the problem of easily solidified due to plastic melt, when the size of round nozzle is bigger, accordingly
Feed pipe is also sized to and then increase, and plastic melt is then more easy solidification, needless to say by nozzle be designed to mounting flower-shape etc. its
Its all kinds of shape.And in the design, for plastic melt during this section of main channel to nozzle, the branch for selecting area of section smaller is logical
Road and gap, effectively avoid melt from solidifying, and plastic melt is final can swimmingly to be flow at nozzle again, and therefore, which can be used for
The nozzle of all kinds of shapes, size.
In a kind of above-mentioned 3D printing pen, heating device is provided in the nib.Nib is designed as it is heatable,
It can be further ensured that the solidification that will not be cooled when plastic melt flows in subchannel and gap, avoid clogging；Specifically
Heating device can refer to the heating copper tube in heating head, patent CN 203994724U disclosed in patent CN 106273517A
, the concrete structure of the part is the prior art, and not in this to go forth.
In a kind of above-mentioned 3D printing pen, described shell is cylindrical in shape, and is included the interconnecting piece being linked together, ontology and opened
Oral area；The interconnecting piece is connected with the inner end of nib, the lateral wall interval of the ontology and nib be arranged to be formed it is described between
The outer end interval of gap, the opening portion and nib is arranged to form the nozzle.A shell is designed as tubular, then so that gap with
Nozzle is all a shell and the combined formation of nib, in installation shell, without carry out special contraposition may make gap with
Subchannel is connected to logical, is quickly and expediently installed, and as the documents mentioned in background technology, installation is then more numb
It is tired, and if gap is designed as individually being opened in a shell, when mounted, that is, need to consider to install post gap just
It is in alignment with subchannel, using being more troublesome.
In a kind of above-mentioned 3D printing pen, the opening portion of described shell is in mounting flower-shape or circle, the outer end of the nib
Portion is identical as the coaxial arrangement of the opening portion of shell and shape.The opening portion of shell may be designed as mounting flower-shape or circle, then so that
The drawable object of this 3D printing pen is more diversified, and the opening portion coaxial arrangement with shell and shape by the outer end of nib
Identical, that is, it is that height is parallel to be effectively ensured between the two, and the plastics that the nozzle of printing pen in this way gushes out are in then yarn shape, tool
The type of body yarn is then determined by the shape of nozzle.
In a kind of above-mentioned 3D printing pen, described shell is made of heat-barrier material.Shell is made of heat-barrier material,
User can be effectively prevented to be burned, improve the experience sense of user；Heat-barrier material can be selected ceramic equal general on the market
Material, not in this to go forth.
In a kind of above-mentioned 3D printing pen, the nib is tapered, and the diameter of the nib inner end is more than its outer end
The inner end of diameter, the nib is connected with pen body, and the interconnecting piece of described shell and the inner end of nib are detachably connected.Shell
Interconnecting piece and the inner end of nib are detachably connected, convenient according to different needs, replacing the shell that nozzle form differs, specifically
Threaded connection, clamping etc. can be used in dismantling connection mode.
In a kind of above-mentioned 3D printing pen, the subchannel at least two, and each subchannel is in the nib
It is uniformly distributed on the basis of heart line.It is designed with a plurality of subchannel, it is ensured that it is molten that enough plastics can be flowed out in the nozzle unit interval
Body.
In a kind of above-mentioned 3D printing pen, the inner end of the subchannel close to the nib inner end, and with it is described
Main channel is connected；The outer end of the subchannel is connected close to the outer end of the nib, and with the gap.Subchannel is such as
Upper design, avoidable plastic melt flow through excessive corner and distance, prevent cooled solidification.
In a kind of above-mentioned 3D printing pen, the area of section in the gap is less than the area of section of the subchannel, institute
The area of section for stating subchannel is less than the area of section of the main channel.As above design, it is cold can to further avoid plastic melt
But it solidifies.
Compared with prior art, the utility model has the following advantages：
1, the fluency of plastic melt flowing can be improved in this printing pen, is effectively improved the stability in use of this 3D printing pens；
2, the plastic melt of this printing pen is during this section of main channel to nozzle, the smaller subchannel of selection area of section
And gap, effectively melt is avoided to solidify, plastic melt is final can swimmingly to be flow at nozzle again, and therefore, which can be used for respectively
The nozzle of class shape, size；
3, the opening portion of shell may be designed as mounting flower-shape or circle, then makes the drawable object of this 3D printing pen more
Diversification, and the outer end of nib is identical as the coaxial arrangement of the opening portion of shell and shape, that is, and being effectively ensured is between the two
Highly parallel, the plastics that the nozzle of printing pen in this way gushes out are in then yarn shape, the type of specific yarn, then by the shape of nozzle
Shape is determined.
Description of the drawings
Fig. 1 is the structural schematic diagram of this 3D printing pen.
In figure, 1, pen body；2, written；21, subchannel；3, shell；31, interconnecting piece；32, ontology；33, opening portion；4, main
Channel；5, gap；6, nozzle.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, this printing pen includes pen body 1, nib 2 and shell 3, pen body 1 is connected with nib 2,3 sets of shell
In nib 2.Have between pen body 1 and nib 2 for plastic melt by main channel 4, nib 2 offers and main channel 4
The subchannel 21 being connected, shell 3 have the gap 5 being connected with subchannel 21, and the end of shell 3 has to be connected with gap 5
Logical nozzle 6.Specifically, subchannel 21 at least two, and each subchannel 21 is uniformly divided on the basis of the center line of nib 2
Cloth is preferably then 3 in the present embodiment.Preferably, inner end of the inner end of subchannel 21 close to nib 2, and and main channel
4 are connected；The outer end of subchannel 21 is connected close to the outer end of nib 2 with gap 5.
Wherein, the area of section of gap 5 and subchannel 21 is respectively less than the area of section of main channel 4.In the present embodiment, as
It is preferred that the area of section in gap 5 is less than the area of section of subchannel 21, the area of section of subchannel 21 is less than cutting for main channel 4
Face area.
As shown in Figure 1, specifically, shell 3 is cylindrical in shape and is made of heat-barrier material, including the interconnecting piece being linked together
31, ontology 32 and opening portion 33.Wherein, interconnecting piece 31 is connected with the inner end of nib 2, between ontology 32 and the lateral wall of nib 2
Every the gap 5 that setting is formed, the nozzle 6 to be formed is arranged in opening portion 33 and the outer end interval of nib 2.The opening portion 33 of shell 3 is in
Flower-shape or circle are mounted, the outer end of nib 2 is identical as the coaxial arrangement of the opening portion 33 of shell 3 and shape.
As shown in Figure 1, specifically, nib 2 is tapered and is provided with heating device, the diameter of written 2 inner ends is more than it
The inner end of the diameter of outer end, nib 2 is connected with pen body 1, and the interconnecting piece 31 of shell 3 and the inner end of nib 2 are detachably connected, and are had
Body can be to be threadedly coupled or be clamped.
The operation principle of the utility model is as follows：This printing pen when in use, can be successively after plastics are melted into melt
By main channel, subchannel, gap, finally outflow solidification is completed to draw from nozzle.Plastic melt is from primary passageway stream toward nozzle
This section during select the smaller subchannel and gap of area of section, effectively melt is avoided to solidify, plastic melt is final again can
It swimmingly flow at nozzle so that this printing stability in use is good, and can use the nozzle of all kinds of shapes, size.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (9)
1. a kind of 3D printing pen, the printing pen includes pen body (1), written (2) and shell (3), the pen body (1) with it is written
(2) it is connected, described shell (3) is sheathed on written (2), which is characterized in that have between the pen body (1) and written (2)
For plastic melt by main channel (4), it is described nib (2) offer the subchannel (21) being connected with the main channel (4),
There is described shell (3) gap (5) being connected with the subchannel (21), the end of described shell (3) to have and gap (5)
The area of section of the nozzle (6) being connected, the gap (5) and subchannel (21) is respectively less than the area of section of main channel (4).
2. 3D printing pen according to claim 1, which is characterized in that be provided with heating device in the nib (2).
3. 3D printing pen according to claim 1, which is characterized in that described shell (3) is cylindrical in shape, and includes being linked together
Interconnecting piece (31), ontology (32) and opening portion (33)；The interconnecting piece (31) is connected with the inner end of written (2), described
The lateral wall interval of body (32) and written (2) is arranged to form the gap (5), and the opening portion (33) is outer with written (2)
The setting of end interval forms the nozzle (6).
4. 3D printing pen according to claim 3, which is characterized in that the opening portion (33) of described shell (3) is in mounting flower-shape
Or it is round, the outer end of the nib (2) is identical as the coaxial arrangement of the opening portion (33) of a shell (3) and shape.
5. 3D printing pen according to claim 1 or 2 or 3 or 4, which is characterized in that described shell (3) uses heat-barrier material
It is made.
6. 3D printing pen according to claim 3, which is characterized in that the nib (2) is tapered, in the nib (2)
The diameter at end is more than the diameter of its outer end, and the inner end of the nib (2) is connected with pen body (1), the interconnecting piece of described shell (3)
(31) inner end with written (2) is detachably connected.
7. 3D printing pen according to claim 6, which is characterized in that the subchannel (21) at least two, and each
Channel (21) is uniformly distributed on the basis of the center line of written (2).
8. 3D printing pen according to claim 7, which is characterized in that the inner end of the subchannel (21) is close to the nib
(2) inner end, and be connected with the main channel (4)；Outer end of the outer end of the subchannel (21) close to written (2)
Portion, and be connected with the gap (5).
9. 3D printing pen according to claim 1, which is characterized in that the area of section of the gap (5) is less than the branch
The area of section in channel (21), the area of section of the subchannel (21) are less than the area of section of the main channel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721888367.7U CN208020755U (en) | 2017-12-28 | 2017-12-28 | A kind of 3D printing pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721888367.7U CN208020755U (en) | 2017-12-28 | 2017-12-28 | A kind of 3D printing pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208020755U true CN208020755U (en) | 2018-10-30 |
Family
ID=63901162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721888367.7U Expired - Fee Related CN208020755U (en) | 2017-12-28 | 2017-12-28 | A kind of 3D printing pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208020755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107972271A (en) * | 2017-12-28 | 2018-05-01 | 台州市朔翔科技股份有限公司 | A kind of 3D printing pen |
-
2017
- 2017-12-28 CN CN201721888367.7U patent/CN208020755U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107972271A (en) * | 2017-12-28 | 2018-05-01 | 台州市朔翔科技股份有限公司 | A kind of 3D printing pen |
| CN107972271B (en) * | 2017-12-28 | 2024-08-23 | 台州蓝天企业服务有限公司 | 3D printing pen |
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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 |
Granted publication date: 20181030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |