CN203994730U - Non-maintaining 3D printing head assembly - Google Patents
Non-maintaining 3D printing head assembly Download PDFInfo
- Publication number
- CN203994730U CN203994730U CN201420468967.8U CN201420468967U CN203994730U CN 203994730 U CN203994730 U CN 203994730U CN 201420468967 U CN201420468967 U CN 201420468967U CN 203994730 U CN203994730 U CN 203994730U
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- CN
- China
- Prior art keywords
- shower nozzle
- trunnion
- hole
- heat block
- body molded
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- 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
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Abstract
Non-maintaining 3D printing head assembly, belongs to FDM forming principle 3D printer technology field.It has simple in structure, and reliable and non-maintaining printing feature is used in stable performance.The middle part, one end of heat block is processed with an opening, the upper surface of heat block is processed with through hole one along the thickness direction of heat block, the opening of heat block communicates with through hole one, one of them sidewall of the two side of the opening of heat block is processed with through hole two, another sidewall is processed with screwed hole, and screwed hole and through hole two coaxially arrange; The shower nozzle that trunnion shower nozzle is one-body molded is arranged in through hole one, and the shower nozzle upper surface that trunnion shower nozzle is one-body molded is concordant with heat block upper surface, threaded fastener is threaded with screwed hole the shower nozzle of one-body molded of trunnion shower nozzle is clamped in the through hole one of heat block through through hole two; One-body molded of trunnion shower nozzle is one-body molded of the trunnion shower nozzle made by stainless steel.The utility model can be applied on the 3D printer of all FDM forming principles.
Description
Technical field
The utility model relates to a kind of 3D printing head assembly, belongs to FDM forming principle 3D printer technology field.
Background technology
FDM forming principle printer is by extrusion mechanism, and printing consumables is sprayed in specific shower nozzle, by computer numerical control (CNC), carries out three-dimensional motion, thereby makes successively fusion sediment of the consumptive material extruded from shower nozzle, piles up threedimensional model.The nozzle component that the 3D printer of FDM forming principle uses, generally to be formed by more than three or three Assembly of the parts, trunnion in nozzle component is partly important parts, current FDM shower nozzle trunnion material is generally PTFE, other heat insulation thermal resistance material of PEEK and some, PTFE and PEEK belong to nonmetallic materials, their mechanical strength and heat resistance, there is certain limit, and trunnion part is as connecting the hot arc of whole nozzle component and the transition portion of cold section, and print in order to meet the material that some needs high temperature are extruded, need to there is higher heat resistance and more intense mechanical strength.Like this, PTFE and PEEK just have certain limitation as trunnion material.
Trunnion, shower nozzle are to be threaded with the conventional method of attachment of heat block, and print job is very easy to make threaded connection place generation loosening for a long time, thereby produce gap, cause printing consumables to extrude from gap, cause and print unsuccessfully, and even nozzle component is damaged.
The shower nozzle material of the 3D printer of FDM forming principle is copper, and copper itself is larger to the adhesive force of printing consumables, like this, just easily produces larger extrusion pressure, thereby easily cause, print job is not smooth, the insecure problem of shower nozzle work.
In addition, the number of spare parts of traditional sprinkler heads assembly is many, and service behaviour is unreliable, in actual use, needs frequent maintaining, and this just causes a lot of troubles to user.
To sum up, it is very significant inventing a kind of new simple in structure, efficient, service-strong nozzle component.
Utility model content
The purpose of this utility model is to provide a kind of non-maintaining 3D printing head assembly based on FDM forming principle, and implementation structure is simple, and reliable and non-maintaining print job is used in stable performance.
Realize above-mentioned purpose, the technical scheme that the utility model is taked is:
Non-maintaining 3D printing head assembly, it comprises shower nozzle, trunnion, heat block, threaded fastener; One-body molded one-body molded of the trunnion shower nozzle that is called of shower nozzle and trunnion, the middle part, one end of heat block is processed with an opening, the upper surface of heat block is processed with through hole one along the thickness direction of heat block, the opening of heat block communicates with through hole one, one of them sidewall of the two side of the opening of heat block is processed with through hole two, another sidewall is processed with screwed hole, and screwed hole and through hole two coaxially arrange; The shower nozzle that trunnion shower nozzle is one-body molded is arranged in through hole one, and the shower nozzle upper surface that trunnion shower nozzle is one-body molded is concordant with heat block upper surface, threaded fastener is threaded with screwed hole the shower nozzle of one-body molded of trunnion shower nozzle is clamped in the through hole one of heat block through through hole two; One-body molded of trunnion shower nozzle is one-body molded of the trunnion shower nozzle made by stainless steel.
The beneficial effects of the utility model are:
1, one-body molded of the utility model trunnion shower nozzle is condensed into and only has two parts (trunnion and shower nozzle), adopts the innovative design of trunnion and shower nozzle independence one, by the method for CNC digital control processing, carries out part processing.The utility model has been simplified existing nozzle component amount of parts, has improved reliability, has reduced assembly difficulty.The moulding design of trunnion and shower nozzle independence one, has overcome the problem that printing consumables is partly extruded from trunnion completely.
2, one-body molded of trunnion shower nozzle adopts stainless steel to make, and can better stop heat block heat to be uploaded, and reduces the transition length of cold and hot section of trunnion, reduces printing consumables in the softening length of trunnion inside, and the extrusion efficiency of extruder is improved, and extrudes smoothness.
To sum up, the utility model has been realized the non-maintaining printing of ultra-long time, and print performance is more stable, reliable, and this non-maintaining 3D printing head assembly can be applied on the 3D printer of all FDM forming principles.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram of non-maintaining 3D printing head assembly of the present utility model.
The parts title and the label that in figure, relate to are as follows:
One-body molded 1, trunnion shower nozzle, shower nozzle 1-1, trunnion 1-2, heat block 2, opening 2-1, through hole one 2-2, screw two 2-3, thermistor 3, heater 4, threaded fastener 5.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, non-maintaining 3D printing head assembly, it comprises shower nozzle 1-1, trunnion 1-2, heat block 2, thermistor 3, heater 4, threaded fastener 5; Shower nozzle 1-1 and trunnion 1-2 be one-body molded is called one-body molded 1, trunnion shower nozzle, the profile of heat block 2 is cuboid, the middle part, one end of heat block 2 is processed with an opening 2-1, the upper surface of heat block 2 is processed with through hole one 2-2 along the thickness direction of heat block 2, the opening 2-1 of heat block 2 communicates with through hole one 2-2, one side of heat block 2 is processed with respectively fixing hole one and fixing hole two, one of them sidewall of the two side of the opening 2-1 of heat block 2 is processed with through hole two, another sidewall is processed with screwed hole, and screwed hole and through hole two coaxially arrange; The shower nozzle 1-1 that trunnion shower nozzle is one-body molded 1 is arranged in through hole one 2-2, and the shower nozzle 1-1 upper surface of one-body molded 1, trunnion shower nozzle is concordant with heat block 2 upper surfaces, and object is the relative position of determining that one-body molded 1, trunnion shower nozzle and heat block 2 are installed; Threaded fastener 5 is threaded with screwed hole the shower nozzle 1-1 of one-body molded 1, trunnion shower nozzle is clamped in through hole one 2-2 of heat block 2 through through hole two; Heater 4 is installed in fixing hole one, and thermistor 3 is installed in fixing hole two; One-body molded 1, trunnion shower nozzle is one-body molded of the trunnion shower nozzle made by stainless steel.Threaded fastener 5 can be selected lock-screw.Heater 4 is preferably heating rod, simple in structure because of it, is convenient to install.
For stoping greatly heat block heat to be uploaded, reduce the transition length of cold and hot section of trunnion, thereby reduce printing consumables in the softening length of trunnion inside, the extrusion efficiency of extruder is improved, extrude smoothness; Described one-body molded 1, trunnion shower nozzle is preferably to be made by 304 stainless steels.
For reducing greatly uploading of heat block heat, reduce consumptive material at the resistance of extruding of one-body molded 1 inside of trunnion shower nozzle, thereby improve, extrude fluency, be conducive to accelerate print speed; The trunnion 1-2 wall thickness that described trunnion shower nozzle is one-body molded 1 is 0.3mm; Described trunnion 1-2 inside surface roughness is Ra1.6.
In order to make heater 4 fixing-stables, and be convenient to dismounting; The upper surface of described heat block 2 is processed with for fixing screw two 2-3 of heater 4, and screw two 2-3 communicate with fixing hole one, and screw two 2-3 are threaded with hold-down screw, and heater 4 is fixing by hold-down screw and heat block 2.
In order better to heat trunnion shower nozzle one-body molded 1; Fixing hole one and the adjacent setting of through hole one 2-2 of described heat block 2.
During work, utilize heater 4 by heat block 2 heating, the heat of heat block 2 conducts to heating trunnion shower nozzle one-body molded 1, thereby heats trunnion shower nozzle one-body molded 1.By thermistor 3, recorded the temperature of heat block 2, and be responsible for real-time temperature feedback to control system by thermistor 3.
Claims (7)
1. a non-maintaining 3D printing head assembly, it comprises shower nozzle (1-1), trunnion (1-2), heat block (2), threaded fastener (5); It is characterized in that: one-body molded one-body molded of the trunnion shower nozzle (1) that is called of shower nozzle (1-1) and trunnion (1-2), the middle part, one end of heat block (2) is processed with an opening (2-1), the upper surface of heat block (2) is processed with through hole one (2-2) along the thickness direction of heat block (2), the opening (2-1) of heat block (2) communicates with through hole one (2-2), one of them sidewall of the two side of the opening (2-1) of heat block (2) is processed with through hole two, another sidewall is processed with screwed hole, and screwed hole and through hole two coaxially arrange; The shower nozzle (1-1) of trunnion shower nozzle one-body molded (1) is arranged in through hole one (2-2), and shower nozzle (1-1) upper surface of trunnion shower nozzle one-body molded (1) is concordant with heat block (2) upper surface, threaded fastener (5) is threaded with screwed hole the shower nozzle of trunnion shower nozzle one-body molded (1) (1-1) is clamped in the through hole one (2-2) of heat block (2) through through hole two; Trunnion shower nozzle one-body molded (1) is one-body molded of the trunnion shower nozzle made by stainless steel.
2. non-maintaining 3D printing head assembly according to claim 1, it is characterized in that: further comprising thermistor (3), heater (4), one side of described heat block (2) is processed with respectively fixing hole one and fixing hole two, heater (4) is installed in fixing hole one, and thermistor (3) is installed in fixing hole two.
3. non-maintaining 3D printing head assembly according to claim 1 and 2, is characterized in that: described trunnion shower nozzle one-body molded (1) is one-body molded of the trunnion shower nozzle made by 304 stainless steels.
4. non-maintaining 3D printing head assembly according to claim 3, is characterized in that: trunnion (1-2) wall thickness of described trunnion shower nozzle one-body molded (1) is 0.3mm; Described trunnion (1-2) inside surface roughness is Ra1.6.
5. non-maintaining 3D printing head assembly according to claim 1, it is characterized in that: the upper surface of described heat block (2) is processed with for the fixing screw two (2-3) of heater (4), and screw two (2-3) communicates with fixing hole one.
6. non-maintaining 3D printing head assembly according to claim 2, is characterized in that: described heater (4) is heating rod.
7. non-maintaining 3D printing head assembly according to claim 2, is characterized in that: fixing hole one and the adjacent setting of through hole one (2-2) of described heat block (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420468967.8U CN203994730U (en) | 2014-08-20 | 2014-08-20 | Non-maintaining 3D printing head assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420468967.8U CN203994730U (en) | 2014-08-20 | 2014-08-20 | Non-maintaining 3D printing head assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203994730U true CN203994730U (en) | 2014-12-10 |
Family
ID=52034790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420468967.8U Expired - Fee Related CN203994730U (en) | 2014-08-20 | 2014-08-20 | Non-maintaining 3D printing head assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203994730U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363905A (en) * | 2016-11-15 | 2017-02-01 | 哈尔滨工业大学 | Additive manufacturing sprayer for fiber reinforced composite material based on ultrasonic enhancing |
| CN106393678A (en) * | 2016-11-15 | 2017-02-15 | 哈尔滨工业大学 | Shower nozzle suitable for 3D printing of continuous fiber reinforced composite |
| CN106553341A (en) * | 2016-11-15 | 2017-04-05 | 哈尔滨工业大学 | Shower nozzle based on ultrasonically enhanced continuous fiber reinforced composite materials 3D printing |
| CN106799838A (en) * | 2017-03-16 | 2017-06-06 | 郑州迈客美客电子科技有限公司 | Multistation 3D printer heat abstractor, supporting shower nozzle and installation method |
-
2014
- 2014-08-20 CN CN201420468967.8U patent/CN203994730U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363905A (en) * | 2016-11-15 | 2017-02-01 | 哈尔滨工业大学 | Additive manufacturing sprayer for fiber reinforced composite material based on ultrasonic enhancing |
| CN106393678A (en) * | 2016-11-15 | 2017-02-15 | 哈尔滨工业大学 | Shower nozzle suitable for 3D printing of continuous fiber reinforced composite |
| CN106553341A (en) * | 2016-11-15 | 2017-04-05 | 哈尔滨工业大学 | Shower nozzle based on ultrasonically enhanced continuous fiber reinforced composite materials 3D printing |
| CN106393678B (en) * | 2016-11-15 | 2018-08-17 | 哈尔滨工业大学 | A kind of nozzle suitable for continuous fiber reinforced composite materials 3D printing |
| CN106363905B (en) * | 2016-11-15 | 2018-11-23 | 哈尔滨工业大学 | Spray head based on ultrasonically enhanced fibre reinforced composites increasing material manufacturing |
| CN106799838A (en) * | 2017-03-16 | 2017-06-06 | 郑州迈客美客电子科技有限公司 | Multistation 3D printer heat abstractor, supporting shower nozzle and installation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20200820 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |