CN204235898U - A kind of printhead and be provided with the printer of this printhead - Google Patents
A kind of printhead and be provided with the printer of this printhead Download PDFInfo
- Publication number
- CN204235898U CN204235898U CN201420680068.4U CN201420680068U CN204235898U CN 204235898 U CN204235898 U CN 204235898U CN 201420680068 U CN201420680068 U CN 201420680068U CN 204235898 U CN204235898 U CN 204235898U
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- China
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- core body
- printhead
- instlated tubular
- calandria
- passage
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Abstract
The utility model relates to printer technology field, particularly relates to a kind of printhead and is provided with the printer of this printhead.This printhead comprises core body and the heating assembly of split setting; Described heating assembly and core body are for removably connecting, and described core body controls dispensing liquid printing consumables under the heating of heating assembly.The conveniently replaced core body of this printhead, thus realize the printing model of the multiple precision of single head, it is succinctly easy to operate; And this printhead also can to solve in prior art the problem of not easy care due to carbonization reason blocking printing nozzle; Because core body has removable characteristic, its later maintenance can adopt the mode of mailing, thus significantly cost-saving; Meanwhile, for the upgrading of core body also provides advantage.
Description
Technical field
The utility model relates to printer technology field, particularly relates to a kind of printhead and is provided with the printer of this printhead.
Background technology
At present, (English abbreviation is FDM to hot melt accumulation type, English full name is Fused DepositionManufacture) three-dimensional printer development and rapidly, produce much multi-form printhead, but by and large all from same structure evolution out.
As shown in Figure 1-2, the printhead of existing FDM three-dimensional printer is made up of four parts substantially: printing nozzle 14, heating part 17, insulation part 16 and stiff end (chuck 15 and flange 23).The printing nozzle 14 of this printhead is communicated with passage 11, and be connected with heating part 17 one by stiff end, insulation part 16, the operation principle of this printhead is: printing consumables (the linear coiled material of plastics) is pressed into printhead along passage 11, be heated to fluid liquid state through heating part 17, then extrude from the nozzle 11 of printhead.But, although the printhead of this standard technological applicability angle be mature on the whole, also have much unsatisfactory place.
Owing to being limited to the installation form of print-head nozzle, cause nozzle to be not easily replaced, therefore printhead assembly can only a corresponding output accuracy, cannot realize the many precision of single head and print; And, the printing consumables of current main flow is ABS, PLA, PP and PS etc., all belong to plastics family member, its representative physical properties is for easily liquefying in the event of high temperatures and being extruded, but the easy carbonization of plastics remained under long-time high-temperature condition in printhead, causes print-head nozzle to occur the situation of blocking.For only having two kinds of measures in this case: one is cleaning printhead, but its operation is very complicated; Two is the printhead assemblies more renewed, and obviously these two kinds of measures all exist corresponding drawback; In addition, the installing hole of heating rod and heat detector takes horizontal direction to arrange, that is, vertical with material approach axis, and printhead volume can be caused so excessive, and heating rod and heat detector holding wire can be 90 degree of bendings when arranging, easily rupture; Meanwhile, high temperature resistant feed pipe also there will be carbonization blackening phenomena owing to being in high-temperature condition for a long time, needs periodic replacement.And when changing, need the new feed pipe replaced to be inserted into printhead tip, general non-technical personnel is also not easy successful operation, complex operation. always
Therefore, for above deficiency, need a kind of conveniently replaced printhead core body, realize multiple printing precision, and be easy to the printhead of maintenance and be provided with the printer of this printhead.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model there is provided a kind of printhead and is provided with the printer of this printhead, and this printhead can be convenient for changing printhead core body, realizes multiple printing precision, and is easy to maintenance.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of printhead, comprises core body and the heating assembly of split setting; Described heating assembly and core body are for removably connecting, and described core body controls dispensing liquid printing consumables under the heating of heating assembly.
Wherein, described heating assembly comprises calandria and the first instlated tubular, and described calandria is connected to the lower end of the first instlated tubular, and forms in the inside of calandria and the first instlated tubular the tube chamber holding described core body, and described core body is removably located in described tube chamber.
Wherein, described first instlated tubular is connected with core body by flange.
Wherein, multiple heat insulation bulge loop is interval with outside described first instlated tubular.
Wherein, described core body comprises passage, the second instlated tubular, heat pipe and nozzle; Described second instlated tubular and heat pipe are all set in outside passage, and the second instlated tubular is positioned at the top of heat pipe; Described heat pipe contacts with calandria and connects, for the heat of calandria is passed to described passage; Described passage exports described liquid printing consumables by nozzle.
Wherein, described nozzle stretches out described calandria, and is communicated with one end of passage.
Wherein, described calandria length direction being provided with installing hole, in described installing hole, being provided with the heating rod for generating heat.
Wherein, described heating rod is connected with heat detector, and described heat detector is for controlling the heating temp of heating rod.
Wherein, fixed by chuck between described passage and the second instlated tubular.
The utility model also provides a kind of printer, comprises described printhead.
(3) beneficial effect
Technique scheme of the present utility model has following beneficial effect: the core body of the utility model printhead is removably mounted in heating assembly, make to be convenient for changing printhead core body, realize the printing model of the multiple precision of single head, it is succinctly easy to operate, and the assistance of professional can not be needed to carry out; And the design of this printhead to efficiently solve in prior art the problem of the not easy care due to carbonization reason blocking printing nozzle, if find clogging, only needs to change core body in time; Because core body has removable characteristic, later maintenance can adopt the mode of mailing, thus significantly cost-saving; Meanwhile, advantage is additionally provided to the upgrading of core body.
Accompanying drawing explanation
Fig. 1 is the sectional view of existing printhead;
Fig. 2 is the sectional drawing of existing printhead;
Fig. 3 is the sectional view of the utility model embodiment printhead;
Fig. 4 is the stereogram of the utility model embodiment printhead;
Fig. 5 is the sectional drawing of the utility model embodiment printhead;
Fig. 6 is the side view of the utility model embodiment printhead;
Fig. 7 is the sectional view of the utility model embodiment core body;
Fig. 8 is the sectional view of the utility model embodiment heating assembly.
Wherein, 1: core body; 2: heating assembly; 11: passage; 12: the second instlated tubulars; 13: heat pipe; 14: nozzle; 15: chuck; 16: insulation part; 17: heating part; 21: calandria; 22: the first instlated tubulars; 23: flange; 211: installing hole.
Detailed description of the invention
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but can not be used for limiting scope of the present utility model.
In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more; Except as otherwise noted, the implication of " nick shaped " is the shape except cross section is concordant.Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", the orientation of the instruction such as " afterbody " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
As seen in figures 3-6, the present embodiment provides a kind of printhead, comprises core body 1 and the heating assembly 2 of split setting; Core body 1 is removably mounted in heating assembly 2, and both partables, do not interfere with each other; Core body 1 built with printing consumables (ABS, PLA, PP and PS etc.), and controls the printing consumables of dispensing liquid under the heating of heating assembly 2.Split type by being set between heating assembly 2 and core body 1, object is exactly create the condition that can change printhead precision by replacing core body 1, realizes the printing model of the multiple precision of single head.Visible, adopt interchangeable core body 1 can solve many deficiencies of existing print head design.
In the present embodiment, the shape and size of core body 1 and heating assembly 2 can adjust flexibly according to the needs of printer.Be described with wherein a kind of preferred embodiment:
As shown in Figure 8, heating assembly 2 comprises calandria 21 and the first instlated tubular 22, and calandria 21 is connected to the lower end of the first instlated tubular 22, and forms in the inside of calandria 21 and the first instlated tubular 22 tube chamber holding core body 1, is beneficial to core body 1 and inserts or extract tube chamber.Meanwhile, calandria 21 for generation of heat, so that the printing consumables in core body 1 is heated to liquid state; First instlated tubular 22 for stoping heat transmission, in order to avoid cause structural destruction.
Correspondingly, as shown in Figure 7, core body 1 comprises passage 11, second instlated tubular 12, heat pipe 13 and nozzle 14; Second instlated tubular 12 is all set in outside passage 11 with heat pipe 13, and the second instlated tubular 12 is positioned at the top of heat pipe 13; Second instlated tubular 12 and the connecting portion of heat pipe 13 are positioned at the category of the first instlated tubular 22, and heat pipe 13 contacts with calandria 21 and connects, for the heat of calandria 21 is passed to passage 11; Passage 11 is by nozzle 14 dispensing liquid printing consumables.
Wherein, nozzle 14 can adopt different bores, thus realizes the switching of different accuracy.And nozzle 14 stretches out calandria 21, and be communicated with one end of passage 11.
What deserves to be explained is, certain particular form is not limited to, as long as meet detachable for the connected mode between core body 1 and heating assembly 2.Connect by flange 23, such as: the second instlated tubular 12 is connected with the first instlated tubular 22 by flange 23; Certainly, also connect by alternate manner, such as buckle-type etc.
Preferably, be interval with multiple heat insulation bulge loop outside the first instlated tubular 22, be beneficial to the transmission of trap heat.Coordinated with the second the effective of instlated tubular 12 by the first instlated tubular 22, can realize stoping heat to be passed to flange 23, avoid structural damage.
Further, at calandria 21 length direction, (that is, vertical direction) being provided with installing hole 211, in installing hole 211, being provided with the heating rod for generating heat.Heating rod is connected with heat detector, and heat detector is for controlling the heating temp of heating rod.This mounting means can reduce the volume of whole printhead, and heating rod cable and warming holding wire there will not be by the situation of bending 90 degree, so make the performance of electrical equipment better, safer.
Certainly, fix by chuck 15 between passage 11 and the second instlated tubular 12, the stability of implement device.
In addition, the utility model also provides a kind of printer, and it comprises the above-mentioned printhead related to, and can be arranged on driving mechanism by this printhead, realize 3 D-printing operation.
In sum, the core body of the utility model printhead is removably mounted in heating assembly, and make to be convenient for changing printhead core body, realize the printing model of the multiple precision of single head, it is succinctly easy to operate, and the assistance of professional can not be needed to carry out; And the design of this printhead to efficiently solve in prior art the problem of the not easy care due to carbonization reason blocking printing nozzle, if find clogging, only needs to change core body in time; Because core body has removable characteristic, later maintenance can adopt the mode of mailing, thus significantly cost-saving; Meanwhile, advantage is additionally provided to the upgrading of core body.
Embodiment of the present utility model provides for the purpose of example and description, and is not exhaustively or by the utility model be limited to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present utility model and practical application are better described, and enables those of ordinary skill in the art understand the utility model thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (10)
1. a printhead, is characterized in that, comprises core body (1) and heating assembly (2) of split setting; Described heating assembly (2) and core body (1) are for removably connecting, and described core body (1) controls dispensing liquid printing consumables under the heating of heating assembly (2).
2. printhead according to claim 1, it is characterized in that, described heating assembly (2) comprises calandria (21) and the first instlated tubular (22), described calandria (21) is connected to the lower end of the first instlated tubular (22), and forming at calandria (21) and the inside of the first instlated tubular (22) tube chamber holding described core body (1), described core body (1) is removably located in described tube chamber.
3. printhead according to claim 2, is characterized in that, described first instlated tubular (22) is connected with core body (1) by flange (23).
4. printhead according to claim 3, is characterized in that, is interval with multiple heat insulation bulge loop outside described first instlated tubular (22).
5. printhead according to claim 2, is characterized in that, described core body (1) comprises passage (11), the second instlated tubular (12), heat pipe (13) and nozzle (14); Described second instlated tubular (12) and heat pipe (13) are all set in passage (11) outward, and the second instlated tubular (12) is positioned at the top of heat pipe (13); Described heat pipe (13) contacts with calandria (21) and connects, for the heat of calandria (21) is passed to described passage (11); Described passage (11) exports described liquid printing consumables by nozzle (14).
6. printhead according to claim 5, is characterized in that, described nozzle (14) stretches out described calandria (21), and is communicated with one end of passage (11).
7. printhead according to claim 6, is characterized in that, described calandria (21) length direction is provided with installing hole (211), is provided with the heating rod for generating heat in described installing hole (211).
8. printhead according to claim 7, is characterized in that, described heating rod is connected with heat detector, and described heat detector is for controlling the heating temp of heating rod.
9. printhead according to claim 5, is characterized in that, is fixed between described passage (11) and the second instlated tubular (12) by chuck (15).
10. a printer, is characterized in that, comprises printhead as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420680068.4U CN204235898U (en) | 2014-11-06 | 2014-11-06 | A kind of printhead and be provided with the printer of this printhead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420680068.4U CN204235898U (en) | 2014-11-06 | 2014-11-06 | A kind of printhead and be provided with the printer of this printhead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204235898U true CN204235898U (en) | 2015-04-01 |
Family
ID=52765448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420680068.4U Withdrawn - After Issue CN204235898U (en) | 2014-11-06 | 2014-11-06 | A kind of printhead and be provided with the printer of this printhead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204235898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104369380A (en) * | 2014-11-06 | 2015-02-25 | 于雷 | Printing head and printer with same |
-
2014
- 2014-11-06 CN CN201420680068.4U patent/CN204235898U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104369380A (en) * | 2014-11-06 | 2015-02-25 | 于雷 | Printing head and printer with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150401 Effective date of abandoning: 20160914 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |