CN209566496U - A kind of 3D printer with adjustable spray head - Google Patents
A kind of 3D printer with adjustable spray head Download PDFInfo
- Publication number
- CN209566496U CN209566496U CN201920102542.8U CN201920102542U CN209566496U CN 209566496 U CN209566496 U CN 209566496U CN 201920102542 U CN201920102542 U CN 201920102542U CN 209566496 U CN209566496 U CN 209566496U
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- CN
- China
- Prior art keywords
- spray head
- extra heavy
- charging line
- pipe portion
- parcel shelf
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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.)
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Abstract
The utility model discloses a kind of 3D printers with adjustable spray head, it is related to 3D printing technique field, the utility model includes body, body is equipped with material box, material box lower end is communicated with spray head, spray head includes the charging line being connected with material box, charging line is equipped with feeding engine, charging line lower end is connected with connecting pipe and discharge pipe in turn, connecting pipe includes biggish extra heavy pipe portion and the lesser thin tube part of caliber, extra heavy pipe portion and discharge pipe are threadedly coupled, thin tube part and charging line are threadedly coupled, it is hinged in extra heavy pipe portion multiple for blocking the striker plate diagonally downward of raw material, striker plate is equipped with spring between the side and extra heavy pipe portion in extra heavy pipe portion, material box lower end is connected with parcel shelf by sunpender, discharge pipe is fixedly connected with parcel shelf and lower end is through parcel shelf, parcel shelf drives equipped with motor Connecting pipe rotation；The utility model have structure it is simple, convenient for adjust the unit time in spray material quantity the advantages of.
Description
Technical field
The utility model relates to 3D printing technique fields, more particularly to a kind of 3D printing with adjustable spray head
Machine.
Background technique
Molten copper infiltration (FDM) is current with the fastest developing speed, most promising 3D printing rapid shaping technique.FDM
Moulding process is that a kind of be used as not against laser forms the energy, and molten copper infiltration mechanism includes three-axis moving mechanism, wire-feed motor
Structure, printing head and control mechanism, and by the forming method of various silk materials heating fusing, the course of work is to use silk supplying machine first
Filamentous thermoplastic material is sent into spray head by structure, Filamentous thermoplastic material is added to molten state in the showerhead, later molten state
Filamentary material is squeezed out from spray head, is provided later with the movement of spray head, the filamentary material of molten state according to computer
Section profile information is selectively coated on the product pedestal of workbench, and is quickly cooled down solidification, spray head after one layer of completion
Rise a layer height, then carry out next layer of coating, is recycled with this, ultimately form three-dimensional objects.
But the material extrusion nozzle inside diameter cross sectional shape of existing printing head only has fixed circle, unit time inner nozzle
The volume of spinneret is fixed.Non-adjustable due to nozzle inside diameter area of section, we not can control the printing essence of 3D printer
Degree and speed, however it is directed to different printing purposes and different print areas, different printing precision and speed are needed, even if
It is same model, also there is different required precisions at model inside and edge.
Therefore, it is necessary to design a kind of 3D printer with adjustable spray head, convenient for according to different printing purpose and
Print area adjusts the volume of spray head spinneret, adapts to different printing precision and speed.
Utility model content
The purpose of this utility model is that: when can not adjust unit according to demand to solve the spray head of existing 3D printer
Between spray raw material number problem, the utility model provides a kind of 3D printer with adjustable spray head.
The utility model specifically uses a kind of following technical scheme: 3D with adjustable spray head to achieve the goals above
Printer, including body, the body are equipped with the material box for preserving raw material, and the material box lower end is communicated with spray head, institute
Stating spray head includes the charging line being connected with material box, and the charging line is equipped with feeding engine, the charging line lower end
It is connected with connecting pipe and the discharge pipe for spraying raw material in turn, the connecting pipe includes the biggish threaded connection of caliber
In the lesser extra heavy pipe portion being threadedly connected on the outside of discharge pipe upper end of the thin tube part and caliber of charging line lower end outside, extra heavy pipe
Portion's caliber is greater than the caliber of thin tube part, the rotation of the screw thread of the screw thread and extra heavy pipe portion and discharge pipe of the thin tube part and charging line
To identical, i.e., or be all it is left-handed or be all dextrorotation, the extra heavy pipe portion is connected with thin tube part by pipe reducer, institute
It states and is hinged with multiple striker plates diagonally downward for being used to block raw material in extra heavy pipe portion, the striker plate is circumferentially arranged, the gear
Flitch is equipped with spring between the side and extra heavy pipe portion in extra heavy pipe portion, and the material box lower end is connected with parcel shelf by sunpender,
The discharge pipe is fixedly connected with parcel shelf and lower end is through parcel shelf, and the parcel shelf is equipped with motor, the connecting tube
Road outer sheath is equipped with driven gear, and the output shaft of the motor is equipped with the driving gear being meshed with driven gear, specifically,
Raw material successively passes through charging line, connecting pipe under the action of feeding engine from material box, sprays later from discharge pipe, motor
It passes sequentially through driving gear and driven gear drives connecting pipe rotation, when connecting pipe moves upwards, charging line lower end
Striker plate is opened, the flow of the raw material of unit time output increases, and the material quantity for the unit time that discharge pipe sprays increases, when
When connecting tube moves downward, striker plate rebounds under the action of the spring, and the flow of the raw material of unit time output is reduced, discharge nozzle
The material quantity for the unit time that road sprays reduces.
Further, the facewidth of the driving gear is less than the facewidth of driven gear, so that connecting pipe is in the whole of lifting
During a, driving gear and driven gear all keep meshing state.
Further, the ratio between the facewidth of the driving gear and the facewidth of driven gear is 1:4.
Further, it is equipped with handrail on the outside of the connecting pipe, handrail can be by welding or being bonded or be threadedly coupled
Mode is located on the outside of extra heavy pipe portion, can also be located at by way of welding or being bonded or be threadedly coupled on the outside of thin tube part, and setting is helped
Hand can be manually rotated connecting pipe convenient for staff, facilitate operation.
The beneficial effects of the utility model are as follows:
1, the utility model structure is simple, and by the up and down motion of connecting pipe, striker plate is in charging line and spring
Effect is lower to realize rotation, and when striker plate rotates upwards, the unit time is reduced by the raw material of connecting pipe, what discharge pipe sprayed
Raw material reduces, and when striker plate is rotated down, the unit time is increased by the raw material of connecting pipe, and the raw material that discharge pipe sprays increases
Greatly, by the change in location of striker plate, realize that the spray head unit time sprays the adjusting of material quantity；
2, the utility model is provided with motor, and motor rotation passes through driving gear and drive driven gear, driven gear band
Dynamic connecting pipe rotation, connecting pipe, which is realized, to move up and down；
3, the facewidth of the driving gear of the utility model is less than the facewidth of driven gear, so that connecting pipe is in the whole of lifting
During a, driving gear and driven gear all keep meshing state；
4, handrail is equipped on the outside of the connecting pipe of the utility model, setting handrail can be manually rotated connecting tube convenient for staff
Road facilitates operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the spray head of the utility model；
Fig. 3 is the structural schematic diagram of the striker plate of the utility model；
Appended drawing reference: 1- body, 2- material box, 3- spray head, 4- charging line, 5- thin tube part, 6- pipe reducer, 7- are thick
Pipe portion, 8- connecting pipe, 9- driving gear, 10- motor, 11- parcel shelf, 12- discharge pipe, 13- driven gear, 14- sunpender,
15- striker plate, 16- spring, 17- handrail, 18- feeding engine.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.In addition, term " the
One ", " second " etc. is only used for distinguishing description, is not understood to indicate or imply relative importance.
In the description of the utility model embodiment, it should be noted that the instructions such as term "inner", "outside", "upper"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings or when utility model product use usually puts
The orientation or positional relationship put, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical
Novel limitation.
Embodiment 1
It is described the present embodiment provides a kind of 3D printer with adjustable spray head, including body 1 as shown in Fig. 1 to 3
Body 1, which is equipped with, preserves the material box 2 of raw material, and 2 lower end of material box is communicated with spray head 3, and the spray head 3 includes and raw material
The charging line 4 that case 2 is connected, the charging line 4 are equipped with feeding engine 18, and 4 lower end of charging line is connected in turn
Connecting pipe 8 and discharge pipe 12 for spraying raw material, the connecting pipe 8, which includes that caliber is biggish, is threadedly connected to feeding
The extra heavy pipe portion 7 of 4 lower end outside of pipeline and the lesser thin tube part 5 being threadedly connected on the outside of 12 upper end of discharge pipe of caliber, extra heavy pipe
7 caliber of portion is greater than the caliber of thin tube part 5, the screw thread and thin tube part 5 of the extra heavy pipe portion 7 and charging line 4 and discharge pipe 12
The rotation direction of screw thread is identical, rotation direction be all it is left-handed, the extra heavy pipe portion 7 and thin tube part 5 are connected by pipe reducer 6, described thick
It is hinged in pipe portion 7 multiple for blocking the striker plate 15 of raw material tilted upward, the circumferential setting of the striker plate 15, the gear
Flitch 15 is equipped with spring 16 between the side and extra heavy pipe portion 7 in extra heavy pipe portion 7, and 2 lower end of material box is connected by sunpender 14
There is parcel shelf 11, the discharge pipe 12 is fixedly connected with parcel shelf 11 and lower end is on parcel shelf 11, the parcel shelf 11
Equipped with the rotating mechanism for driving connecting pipe 8 to rotate, specifically, raw material successively passes through under the action of feeding engine 18 from material box 2
Charging line 4, connecting pipe 8 are crossed, is sprayed later from discharge pipe 12, rotating mechanism drives connecting pipe 8 to rotate, and works as connecting tube
When road 8 moves downward, 12 upper end of discharge pipe opens striker plate 15, and the flow of the raw material of unit time output increases, discharge nozzle
The material quantity for the unit time that road 12 sprays increases, when connecting tube moves upwards, the bullet under the action of the spring 16 of striker plate 15
It returns, the flow of the raw material of unit time output is reduced, and the material quantity for the unit time that discharge pipe 12 sprays reduces.
Embodiment 2
As shown in Figure 1, the present embodiment is further improved on the basis of embodiment 1, the specially described driving gear 9
The facewidth be less than the facewidth of driven gear 13 so that connecting pipe 8 is during the entire process of lifting, driving gear 9 and driven tooth
Wheel 13 all keeps meshing state.
Preferably, the ratio between the facewidth of the driving gear 9 and the facewidth of driven gear 13 is 1:4.
Embodiment 3
As shown in Figure 1, the present embodiment is further improved on the basis of embodiment 1, the specially described connecting pipe 8
Outside is equipped with handrail 17, and handrail 17 can be located on the outside of extra heavy pipe portion 7 by way of welding or being bonded or is threadedly coupled, can also be with
5 outside of thin tube part is located at by way of welding or being bonded or be threadedly coupled, setting handrail 17 can be manually rotated convenient for staff
Connecting pipe 8 facilitates operation.
Claims (4)
1. a kind of 3D printer with adjustable spray head, including body (1), the body (1) is equipped with and preserves raw material
Material box (2), material box (2) lower end are communicated with spray head (3), which is characterized in that the spray head (3) includes and material box
(2) charging line (4) being connected, the charging line (4) be equipped with feeding engine (18), charging line (4) lower end according to
Secondary to be connected with connecting pipe (8) and the discharge pipe (12) for spraying raw material, the connecting pipe (8) includes that caliber is lesser
It is threadedly connected to the thin tube part (5) of charging line (4) lower end outside and caliber is biggish is threadedly connected on discharge pipe (12)
Hold the extra heavy pipe portion (7) in outside, the screw thread of the thin tube part (5) and charging line (4) and extra heavy pipe portion (7) and discharge pipe (12)
The rotation direction of screw thread is identical, and the extra heavy pipe portion (7) is connected with thin tube part (5) by pipe reducer (6), the extra heavy pipe portion (7)
It is inside hinged with multiple for blocking the striker plate (15) diagonally downward of raw material, the striker plate (15) circumferentially setting, the gear
Flitch (15) is equipped with spring (16) between the side and extra heavy pipe portion (7) of extra heavy pipe portion (7), and material box (2) lower end passes through
Sunpender (14) is connected with parcel shelf (11), and the discharge pipe (12) is fixedly connected with parcel shelf (11) and lower end is through parcel shelf
(11), the parcel shelf (11) is equipped with motor (10), and connecting pipe (8) outer sheath is equipped with driven gear (13), described
The driving gear (9) that the output shaft of motor (10) is equipped with and driven gear (13) are meshed.
2. a kind of 3D printer with adjustable spray head according to claim 1, which is characterized in that the driving gear
(9) the facewidth is less than the facewidth of driven gear (13).
3. a kind of 3D printer with adjustable spray head according to claim 2, which is characterized in that the driving gear
(9) ratio between the facewidth of the facewidth and driven gear (13) is 1:4.
4. a kind of 3D printer with adjustable spray head according to claim 1-3, which is characterized in that described
Handrail (17) are equipped on the outside of connecting pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920102542.8U CN209566496U (en) | 2019-01-22 | 2019-01-22 | A kind of 3D printer with adjustable spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920102542.8U CN209566496U (en) | 2019-01-22 | 2019-01-22 | A kind of 3D printer with adjustable spray head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209566496U true CN209566496U (en) | 2019-11-01 |
Family
ID=68332480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920102542.8U Expired - Fee Related CN209566496U (en) | 2019-01-22 | 2019-01-22 | A kind of 3D printer with adjustable spray head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209566496U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113041750A (en) * | 2021-02-07 | 2021-06-29 | 机械工业第九设计研究院有限公司 | Automatic cleaning system for coated car body three-dimensional warehouse |
| CN113172885A (en) * | 2021-05-07 | 2021-07-27 | 常州大学 | Self-adjusting powder conveying device applicable to 3D printer |
-
2019
- 2019-01-22 CN CN201920102542.8U patent/CN209566496U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113041750A (en) * | 2021-02-07 | 2021-06-29 | 机械工业第九设计研究院有限公司 | Automatic cleaning system for coated car body three-dimensional warehouse |
| CN113172885A (en) * | 2021-05-07 | 2021-07-27 | 常州大学 | Self-adjusting powder conveying device applicable to 3D printer |
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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: 20191101 Termination date: 20220122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |