CN207327598U - A kind of three-dimensional printer laser printhead - Google Patents
A kind of three-dimensional printer laser printhead Download PDFInfo
- Publication number
- CN207327598U CN207327598U CN201721269573.XU CN201721269573U CN207327598U CN 207327598 U CN207327598 U CN 207327598U CN 201721269573 U CN201721269573 U CN 201721269573U CN 207327598 U CN207327598 U CN 207327598U
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- China
- Prior art keywords
- pinch
- laser
- hole
- wheel
- nozzle
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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
It the utility model is related to a kind of three-dimensional printer laser printhead, including pinching pedestal, charging hole, accessory whorl chamber, main wheel chamber, main pinch wheel, secondary pinch wheel, pinch pedestal and be equipped with feeding motor, pinch base bottom and be connected with nozzle, material spraying hole is equipped with nozzle, pinch pedestal and be equipped with laser head frame, laser head frame bottom is extended to immediately below nozzle, laser head immediately below nozzle is provided with bottoming hole, bottoming hole inner wall is equipped with laser heating head, bottoming hole top open part is equipped with reflecting surface, and downward, bottoming hole inner wall surface has reflectance coating to reflecting surface.The utility model heats the printing material silk for sending out material spraying hole by the laser heating head in bottoming hole, effectively prevent and transfers heat to pinch mechanism, facilitates feeding to mitigate the vibrations of whole mechanism at the same time.It is low using laser heating head energy consumption, while reflecting surface can prevent printed material from quickly being cooled down after hot melt effectively by heat downward radiation, while the bonding to print area heating easy to printed material.
Description
Technical field
Three-dimensional printer nozzle technical field is the utility model is related to, more particularly to a kind of three-dimensional printer laser printhead.
Background technology
As new processing method, it is layered and produces threedimensional model three-dimensional printer by the way of layer upon layer,
Its operational process is similar to conventional printer, and only conventional printer is the plane that two dimension is formed in ink printed to papery
Drawing, and three-dimensional printer is that the materials such as liquid photosensitive resin material, the plastic wire of melting, land plaster are passed through jet binder
Or the mode such as extrusion realizes that layer upon layer is superimposed to form 3D solid.It is existing that heat block pair is used by hot melten type three-dimensional printer
The printed material passed through is heated and softened, and above-mentioned three-dimensional printer usually requires pinching position setting cooling fan, prevents
Printed material is pinching position softening, such a mode shake considerable influence component life and printing precision at the same time printable layer and
It is easily separated between printable layer.
Utility model content
In view of the deficiencies of the prior art, the purpose of this utility model is to provide a kind of three-dimensional printer laser printhead.
Technical solution is used by the utility model solves its technical problem：A kind of three-dimensional printer laser printhead, bag
The charging hole for include and pinch pedestal, pedestal being pinched described in up/down perforation, the pinch pedestal of the charging hole side are equipped with accessory whorl chamber,
The pinch pedestal of the charging hole opposite side is equipped with main wheel chamber, and the main wheel intracavitary is equipped with main pinch wheel, the accessory whorl intracavitary
Equipped with secondary pinch wheel, the main folder send wheel axis to send wheel axis parallel with the sub-folder, the main pinch wheel and secondary pinch wheel court
The charging hole is stretched into charging hole side, i.e., described main pinch wheel clamps the printing for stretching into the charging hole with secondary pinch wheel
Expect silk, the pedestal that pinches is equipped with the feeding motor for driving the main folder to send wheel to rotate, the charging for pinching base bottom
Nozzle is connected with hole exits, the material spraying hole connected with the charging hole is equipped with the nozzle, the pinch pedestal is equipped with
Laser head frame, the laser head frame bottom are extended to immediately below the nozzle, and the laser head frame immediately below the nozzle is equipped with
The bottoming hole of laser head frame described in up/down perforation, the bottoming hole internal diameter are more than the material spraying hole internal diameter, the bottoming hole inner wall
Equipped with laser heating head, the laser heating head at least two and be circumferentially uniformly distributed along the bottoming hole as annular, it is described plus
Hot hole top open part is equipped with reflecting surface, and downward, the bottoming hole inner wall surface has reflectance coating to the reflecting surface.
The printing material silk for sending out material spraying hole is heated by the laser heating head in bottoming hole in above-mentioned design, effectively
Avoid and transfer heat to pinch mechanism, facilitate feeding to be not required to set radiator fan at the same time, mitigate the vibrations of whole mechanism, keep away
Exempt from the influence to whole equipment precision and service life.Low using laser heating head heating energy consumption, hot melting temperature is controllable, while reflecting surface
It can prevent printed material from quickly being cooled down after hot melt effectively by heat downward radiation, while print area heating is easy to beat
The bonding of material is printed, the product printed is not easy to be layered.
Further as the design is improved, and is fitted with aluminium radiating fin on the laser head frame, is effectively prevented heat collection
It is poly- to cause laser head frame to deform.
Further as the design is improved, and the laser head frame is equipped with along laser head frame length direction extension
Rib, is effectively increased laser head frame intensity.
Further as the design is improved, and the charging hole exit is equipped with connecting screw hole, the nipple top and institute
Connecting screw hole threaded connection is stated, locking spring, the locking spring top and the pinch base bottom are cased with the nozzle
Fitting, the locking spring bottom are connected with the nozzle, effectively prevent nozzle from loosening.
Further as the design is improved, and the pinch pedestal is equipped with horizontal concrete chute, and the horizontal concrete chute is directed toward institute
Main pinch wheel is stated, the pair pinch wheel both ends are rotatably connected to sliding block, and the sliding block slides in the horizontal concrete chute, the water
Smooth slot tail is threaded with tensioning bolt, and the tensioning bolt axis is overlapped with the horizontal concrete chute center line, described
Tensioning spring tightly is accompanied between bolt head and the sliding block, easy to be tensioned to secondary pinch wheel, ensures pinch mechanism to printing material
Silk has appropriate chucking power all the time, and feeding is stablized.
Further as the design is improved, and any one of laser heating head is not by the sharp of other laser heating heads
Illumination is mapped to, the damage of effective means laser heating head.
The beneficial effects of the utility model are：The utility model is by the laser heating head in bottoming hole to sending out material spraying hole
Printing material silk heated, effectively prevent and transfer heat to pinch mechanism, facilitate feeding be not required at the same time set radiation air
Fan, mitigates the vibrations of whole mechanism, avoids the influence to whole equipment precision and service life.Energy consumption is heated using laser heating head
Low, hot melting temperature is controllable, while reflecting surface can prevent printed material fast quickly cooling after hot melt effectively by heat downward radiation
But, while the bonding to print area heating easy to printed material, the product printed are not easy to be layered.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the overall diagrammatic cross-section of the utility model.
Fig. 2 is the side structure schematic diagram of the utility model.
Fig. 3 is the laser head frame bottom sectional schematic diagram of the utility model.
The 1. pinch pedestal in figure, 2. main wheel chambers, 3. main pinch wheels, 4. charging holes, 5. connecting screw holes, 6. locking springs,
7. nozzle, 8. laser head framves, 9. aluminium radiating fins, 10. ribs, 11. tensioning springs, 12. tensioning bolts, 13. sliding blocks, 14. is secondary
Pinch wheel, 15. accessory whorl chambers, 16. horizontal concrete chutes, 17. feeding motors, 18. bottoming holes, 19. laser heating heads, 20. reflectings surface,
21. reflectance coating, 22. material spraying holes.
Embodiment
Describe the utility model in detail below in conjunction with attached drawing and specific embodiment, illustrative examples therein with
And explanation is only used for explaining the utility model, but it is not intended to limit the scope of the present invention.
Embodiment：A kind of three-dimensional printer laser printhead, including pinch pedestal 1, pinch described in up/down perforation pedestal 1 into
Expect hole 4, the pinch pedestal 1 of 4 side of charging hole is equipped with accessory whorl chamber 15, on the pinch pedestal 1 of 4 opposite side of charging hole
Equipped with main wheel chamber 2, main pinch wheel 3 is equipped with the main wheel chamber 2, secondary pinch wheel 14, the main folder are equipped with the accessory whorl chamber 15
Send 3 axis of wheel parallel with 14 axis of the secondary pinch wheel, the main pinch wheel 3 and secondary pinch wheel 14 are equal towards 4 side of charging hole
The charging hole 4 is stretched into, i.e., described main pinch wheel 3 clamps the printing material silk for stretching into the charging hole 4 with secondary pinch wheel 14, described
Pinch pedestal 1 and be equipped with the feeding motor 17 for driving the main pinch wheel 3 to rotate, the charging hole 4 for pinching 1 bottom of pedestal goes out
Nozzle 7 is connected with mouthful, the material spraying hole 22 connected with the charging hole 4 is equipped with the nozzle 7, is set on the pinch pedestal 1
There is laser head frame 8,8 bottom of laser head frame is extended to immediately below the nozzle 7, the laser head frame 8 immediately below the nozzle 7
The bottoming hole 18 of laser head frame 8 described in up/down perforation is equipped with, 18 internal diameter of bottoming hole is more than 22 internal diameter of material spraying hole, institute
State 18 inner wall of bottoming hole and be equipped with laser heating head 19, the laser heating head 19 at least two and make along the bottoming hole 18 is circumferential
Annular is uniformly distributed, and 18 top open part of bottoming hole is equipped with reflecting surface 20, the reflecting surface 20 downward, the heating
18 inner wall surface of hole has reflectance coating 21.
Heat is carried out to the printing material silk for sending out material spraying hole 22 by the laser heating head 19 in bottoming hole 18 in above-mentioned design
It is molten, it effectively prevent and transfer heat to pinch mechanism, facilitate feeding to be not required to set radiator fan at the same time, mitigate whole mechanism
Vibrations, avoid the influence to whole equipment precision and service life.Low using the heating of laser heating head 19 energy consumption, hot melting temperature is controllable,
Reflecting surface 20 can prevent printed material from quickly being cooled down after hot melt effectively by heat downward radiation at the same time, while to print zone
The bonding of printed material is easy in domain heating, and the product printed is not easy to be layered.
Further as the design is improved, and is fitted with aluminium radiating fin 9 on the laser head frame 8, is effectively prevented heat
Gathering causes laser head frame 8 to deform.
Further as the design is improved, and the laser head frame 8, which is equipped with along 8 length direction of laser head frame, to be extended
Rib 10, be effectively increased laser head frame Final 8 degree.
Further as the design is improved, and 4 exit of charging hole is equipped with connecting screw hole 5, the top of nozzle 7 and
The connecting screw hole 5 is threadedly coupled, and locking spring 6, the top of locking spring 6 and the pinch base are cased with the nozzle 7
The fitting of 1 bottom of seat, 6 bottom of locking spring are connected with the nozzle 7, effectively prevent nozzle 7 from loosening.
Further as the design is improved, and the pinch pedestal 1 is equipped with horizontal concrete chute 16, and the horizontal concrete chute 16 refers to
To the main pinch wheel 3,14 both ends of the pair pinch wheel are rotatably connected to sliding block 13, and the sliding block 13 is in the horizontal concrete chute 16
Interior slip, 16 tailing screw flight of horizontal concrete chute are connected with tensioning bolt 12, and 12 axis of tensioning bolt and the level are sliding
16 center line of groove overlaps, and tensioning spring 11 is accompanied between 12 head of tensioning bolt and the sliding block 13, easy to be sent to sub-folder
The tensioning of wheel 14, ensures that pinch mechanism has printing material silk appropriate chucking power all the time, feeding is stablized.
Further as the design is improved, and any one of laser heating head 19 is not by other laser heating heads 19
Laser be irradiated to, effective means laser heating head 19 is damaged.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly used in
Other related technical areas, are equally included in the patent within the scope of the utility model.
Claims (6)
- A kind of 1. three-dimensional printer laser printhead, it is characterised in that including pinch pedestal, pinch described in up/down perforation pedestal into Expect hole, the pinch pedestal of the charging hole side is equipped with accessory whorl chamber, and the pinch pedestal of the charging hole opposite side is equipped with master Take turns chamber, the main wheel intracavitary is equipped with main pinch wheel, and the accessory whorl intracavitary is equipped with pair pinch wheel, the main folder send wheel axis with it is described Sub-folder send wheel axis parallel, and the main pinch wheel and secondary pinch wheel stretch into the charging hole towards charging hole side, i.e., described Main pinch wheel clamps the printing material silk for stretching into the charging hole with secondary pinch wheel, and the pinch pedestal, which is equipped with, drives the main folder The feeding motor for sending wheel to rotate, the charging hole exit for pinching base bottom are connected with nozzle, be equipped with the nozzle with The material spraying hole of the charging hole connection, the pinch pedestal are equipped with laser head frame, and the laser head frame bottom extends to described Immediately below nozzle, the laser head frame immediately below the nozzle is equipped with the bottoming hole of laser head frame described in up/down perforation, described to add Hot hole internal diameter is more than the material spraying hole internal diameter, and the bottoming hole inner wall is equipped with laser heating head, the laser heating head at least two A and be circumferentially uniformly distributed along the bottoming hole as annular, the bottoming hole top open part is equipped with reflecting surface, the reflecting surface Downward, the bottoming hole inner wall surface has reflectance coating.
- 2. a kind of three-dimensional printer laser printhead according to claim 1, it is characterized in that, it is fitted with the laser head frame Aluminium radiating fin.
- 3. a kind of three-dimensional printer laser printhead according to claim 1, it is characterized in that, the laser head frame is equipped with edge The rib of the laser head frame length direction extension.
- 4. a kind of three-dimensional printer laser printhead according to claim 1, it is characterized in that, the charging hole exit is equipped with Connecting screw hole, the nipple top are threadedly coupled with the connecting screw hole, and locking spring, the locking bullet are cased with the nozzle It is bonded at the top of spring with the pinch base bottom, the locking spring bottom is connected with the nozzle.
- 5. a kind of three-dimensional printer laser printhead according to claim 1, it is characterized in that, the pinch pedestal is equipped with water Smooth groove, the horizontal concrete chute are directed toward the main pinch wheel, and the pair pinch wheel both ends are rotatably connected to sliding block, and the sliding block exists Slide in the horizontal concrete chute, the horizontal concrete chute tailing screw flight is connected with tensioning bolt, the tensioning bolt axis with it is described Horizontal concrete chute center line overlaps, and tensioning spring is accompanied between the tensioning bolt head and the sliding block.
- 6. a kind of three-dimensional printer laser printhead according to claim 1, it is characterized in that, any one of laser heating Head is not irradiated to by the laser of other laser heating heads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721269573.XU CN207327598U (en) | 2017-09-29 | 2017-09-29 | A kind of three-dimensional printer laser printhead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721269573.XU CN207327598U (en) | 2017-09-29 | 2017-09-29 | A kind of three-dimensional printer laser printhead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207327598U true CN207327598U (en) | 2018-05-08 |
Family
ID=62366769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721269573.XU Expired - Fee Related CN207327598U (en) | 2017-09-29 | 2017-09-29 | A kind of three-dimensional printer laser printhead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207327598U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819226A (en) * | 2018-07-26 | 2018-11-16 | 南京工程学院 | A kind of adjustable wire squeeze monitoring alarm device |
| CN109159421A (en) * | 2018-07-28 | 2019-01-08 | 华中科技大学 | A kind of the laser gain material manufacture system and its method of polymer silk material |
| CN112606384A (en) * | 2020-11-03 | 2021-04-06 | 西安昆仑工业（集团）有限责任公司 | 3D printing device with adjustable printing line thickness |
| CN112935584A (en) * | 2021-03-01 | 2021-06-11 | 邵成坤 | High-speed airflow laser cutting head with help of light beam coaxiality |
-
2017
- 2017-09-29 CN CN201721269573.XU patent/CN207327598U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819226A (en) * | 2018-07-26 | 2018-11-16 | 南京工程学院 | A kind of adjustable wire squeeze monitoring alarm device |
| CN109159421A (en) * | 2018-07-28 | 2019-01-08 | 华中科技大学 | A kind of the laser gain material manufacture system and its method of polymer silk material |
| CN112606384A (en) * | 2020-11-03 | 2021-04-06 | 西安昆仑工业（集团）有限责任公司 | 3D printing device with adjustable printing line thickness |
| CN112935584A (en) * | 2021-03-01 | 2021-06-11 | 邵成坤 | High-speed airflow laser cutting head with help of light beam coaxiality |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20200929 |