CN206733594U - A kind of 3D printer and its extrusion device - Google Patents
A kind of 3D printer and its extrusion device Download PDFInfo
- Publication number
- CN206733594U CN206733594U CN201720564123.7U CN201720564123U CN206733594U CN 206733594 U CN206733594 U CN 206733594U CN 201720564123 U CN201720564123 U CN 201720564123U CN 206733594 U CN206733594 U CN 206733594U
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- inroller
- printer
- input gear
- gear
- extrusion device
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Abstract
The utility model discloses a kind of 3D printer and its extrusion device,The extrusion device of described 3D printer,Including deceleration device and governor motion,The deceleration device includes motor,Input gear,Output gear,The input gear coaxially couples with the output shaft of motor,The input gear engages with output gear,The diameter of the output gear is more than the diameter of input gear,The governor motion includes drawing-inroller,Pressure wheel,Adjust depression bar,Spring,Regulating bolt,Stop nut and fixed support,The drawing-inroller coaxially couples with the output shaft of output gear,The pressure wheel is parallel with drawing-inroller and is spaced prepsetting gap,Pass through motor driven input gear,Input gear drives output gear to rotate,Reach deceleration purpose,Torque is set effectively to be lifted,Gap between drawing-inroller and pressure wheel can also be adjusted according to consumptive material size by the governor motion,Make the applicability of product higher.
Description
Technical field
3D printer technical field is the utility model is related to, more particularly to a kind of 3D printer and its extrusion device.
Background technology
At present, in printer field, for 3D printer using more and more extensive, the extruder of existing 3D printer is main at present
By the use of stepper motor as power source, torque is less than normal, but has the stepper motor volume of deceleration bigger than normal.
Thus prior art could be improved and improve.
The content of the invention
In view of in place of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of extrusion of 3D printer
Device, torque can be effectively improved, improve print quality.
In order to achieve the above object, the utility model takes following technical scheme：
A kind of extrusion device of 3D printer, including deceleration device and governor motion, the deceleration device include motor, defeated
Enter gear, output gear, the input gear coaxially couples with the output shaft of motor, and the input gear is nibbled with output gear
Close, the diameter of the output gear is more than the diameter of input gear, and the governor motion includes drawing-inroller, pressure wheel, regulation pressure
Bar, spring, regulating bolt, stop nut and fixed support, the drawing-inroller coaxially couples with the output shaft of output gear, described
Pressure wheel is parallel with drawing-inroller and there is the arc for accommodating the pressure wheel to lack for interval prepsetting gap, the side of the regulation depression bar
Mouthful, the opposite side of the regulation depression bar is provided with locating slot, and positioning salient, the regulating bolt are provided with the locating slot
And stop nut is arranged on fixed support, one end of the spring is sheathed in regulating bolt, the other end insertion institute of spring
State in locating slot, and be sheathed on positioning salient.
The extrusion device of described 3D printer, in addition to for heating the heater of consumptive material, the regulation depression bar
Top is provided with charging hole, the surface in charging hole gap between drawing-inroller and pressure wheel, the drawing-inroller and pressure
Lower section between material wheel is provided with conduit, and the heater is arranged at the lower section of conduit.
In the extrusion device of described 3D printer, it is provided with the fixed support for retaining spring, regulating bolt
And the through hole of stop nut.
In the extrusion device of described 3D printer, the fixed support is L-shaped, and the through hole sets support bracket fastened one
Side, the support bracket fastened opposite side are provided with the positioning hole for supplying shaft positioning.
A kind of 3D printer, including 3D printer body, it is provided with such as above-mentioned any one in the 3D printer body
Described extrusion device.
In described 3D printer, guide rail and sliding block are additionally provided with the 3D printer body, the guide rail is beaten along 3D
The length direction of print machine body is set, and the sliding block is arranged on the guide rail, and the extrusion device is arranged on the sliding block.
Compared to prior art, 3D printer and its extrusion device provided by the utility model, described 3D printer
Extrusion device, including deceleration device and governor motion, the deceleration device includes motor, input gear, output gear, described defeated
Enter gear with the output shaft of motor coaxially to couple, the input gear engages with output gear, and the diameter of the output gear is big
In the diameter of input gear, the governor motion includes drawing-inroller, pressure wheel, regulation depression bar, spring, regulating bolt, spacing spiral shell
Female and fixed support, the drawing-inroller coaxially couple with the output shaft of output gear, the pressure wheel it is parallel with drawing-inroller and
Every prepsetting gap, by motor driven input gear, input gear drives output gear to rotate, reaches deceleration purpose, make torque
Effectively lifted, between can also being adjusted by the governor motion according to consumptive material size between drawing-inroller and pressure wheel
Gap, make the applicability of product higher.
Brief description of the drawings
Fig. 1 is the schematic diagram of the extrusion device of 3D printer provided by the utility model.
Fig. 2 is the schematic diagram of 3D printer provided by the utility model.
Fig. 3 is enlarged drawing at A in Fig. 2 provided by the utility model.
Embodiment
In view of in place of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of extrusion of 3D printer
Device, small volume, torque can be effectively improved, improve print quality.
To make the purpose of this utility model, technical scheme and effect clearer, clear and definite, develop simultaneously implementation referring to the drawings
The utility model is further described example.It should be appreciated that specific embodiment described herein is only explaining this practicality
It is new, it is not used to limit the utility model.
Fig. 1, Fig. 2 and Fig. 3, a kind of extrusion device of 3D printer provided by the utility model are referred to, including the dress that slows down
1 and governor motion 2 are put, the deceleration device 1 includes motor（Not shown in figure）, input gear 11, output gear 12, it is described defeated
Enter the output shaft of gear 11 and motor（Not shown in figure）Coaxial connection, the input gear 11 engage with output gear 12, institute
The diameter for stating output gear 12 is more than the diameter of input gear 11, specifically, the diameter of the output gear 12 is input gear
Three times of 11 diameter, make torque obtain the lifting of nearly three times.
The governor motion 2 includes drawing-inroller 21, pressure wheel 22, regulation depression bar 23, spring 24, regulating bolt 25, spacing
Nut 26 and fixed support 27, the output shaft of the drawing-inroller 21 and output gear 12（Do not marked in figure）Coaxial connection, makes to send
The speed of material is consistent with the speed that output gear 12 rotates, and the pressure wheel 22 is parallel with drawing-inroller 21 and is spaced prepsetting gap,
The side of the regulation depression bar 23 has the arc notch 28 for accommodating the pressure wheel 22, and the opposite side of the regulation depression bar 23 is set
Locating slot 29 is equipped with, positioning salient 30 is provided with the locating slot 29, the regulating bolt 25 and stop nut 26 are set
In on fixed support 27, one end of the spring 24 is sheathed in regulating bolt 25, and the other end of spring 24 inserts the positioning
In groove 29, and be sheathed on positioning salient 30, can by tighten or unscrew the regulating bolt 25 adjust pressure wheel 22 with
Gap between drawing-inroller 21, to adjust the specification size of output printing consumables.
The extrusion device of described 3D printer, in addition to for heating the heater 4 of consumptive material, the regulation depression bar 23
Top be provided with charging hole 31, the surface in the gap between drawing-inroller 21 and pressure wheel 22 of charging hole 31 is described
Lower section between drawing-inroller 21 and pressure wheel 22 is provided with conduit 32, and the heater 4 is arranged at the lower section of conduit 32, works as consumption
Material enters in conduit 32 after entering charging hole 31 through drawing-inroller 21 and the rolling push of pressure wheel 22, then enters heating dress through conduit 32
Sprayed in putting 4 after heating and melting.
Please continue to refer to Fig. 1, specifically, being provided with the fixed support 27 for retaining spring 24, regulating bolt 25
And the through hole of stop nut 26（Do not marked in figure）, the through hole is adapted to the position of locating slot 29, be provided with the through hole in
Screw thread, the stop nut 26 is cylindrical, and its outer wall is provided with external screw thread, and the stop nut 26 is spirally connected with regulating bolt 25
Afterwards, it is relatively fixed, when needing adjustment, only need to turn regulating bolt 25 makes stop nut 26 advance or retreat, and changes spring 24
Deformation length, you can adjust the gap between the pressure wheel 22 and drawing-inroller 21.
Please continue to refer to Fig. 2 and Fig. 3, the fixed support 27 is L-shaped, and the through hole sets the side of fixed support 27,
The opposite side of the fixed support 27 is provided with the positioning hole 34 for supplying shaft positioning, and the positioning hole 34 also acts as support output
The effect of axle.
Fig. 2 and Fig. 3 are referred to, the utility model correspondingly provides a kind of 3D printer, including 3D printer body 100,
Extrusion device is provided with the 3D printer body 100.Due to the extrusion device being described in detail above, herein
Repeat no more.
Specifically, be additionally provided with guide rail 110 and sliding block 120 in the 3D printer body 100, the guide rail 110 is along 3D
The length direction of printer body 100 is set, and the sliding block 120 is arranged on the guide rail 110, and the extrusion device is arranged at
On the sliding block 120, the extrusion device is set to be moved according to printing requirement.
In summary, 3D printer and its extrusion device provided by the utility model, the extrusion dress of described 3D printer
Put, including deceleration device and governor motion, the deceleration device include motor, input gear, output gear, the input gear
Coaxially couple with the output shaft of motor, the input gear engages with output gear, and the diameter of the output gear is more than input
The diameter of gear, the governor motion include drawing-inroller, pressure wheel, regulation depression bar, spring, regulating bolt, stop nut and consolidated
Fixed rack, the drawing-inroller coaxially couple with the output shaft of output gear, and the pressure wheel is parallel with drawing-inroller and interval is default
Gap, by motor driven input gear, input gear drives output gear to rotate, reaches deceleration purpose, there is torque
Effect lifting, can also adjust the gap between drawing-inroller and pressure wheel according to consumptive material size by the governor motion, make production
The applicability of product is higher, the utility model, occupies little space, and torque effectively gets a promotion, and effectively meets the demand of 3D printing.
It is understood that for those of ordinary skills, can according to the technical solution of the utility model and
Its inventive concept is subject to equivalent substitution or change, and all these changes or replacement should all belong to the right appended by the utility model
It is required that protection domain.
Claims (6)
- A kind of 1. extrusion device of 3D printer, it is characterised in that including deceleration device and governor motion, the deceleration device bag Include motor, input gear, output gear, the input gear coaxially couples with the output shaft of motor, the input gear with it is defeated Go out gear engagement, the diameter of the output gear is more than the diameter of input gear, and the governor motion includes drawing-inroller, binder Wheel, regulation depression bar, spring, regulating bolt, stop nut and fixed support, the output shaft of the drawing-inroller and output gear are coaxial Connection, the pressure wheel is parallel with drawing-inroller and interval prepsetting gap, the side of the regulation depression bar have the receiving binder The arc notch of wheel, the opposite side of the regulation depression bar are provided with locating slot, positioning salient, institute are provided with the locating slot State regulating bolt and stop nut be arranged on fixed support, one end of the spring is sheathed in regulating bolt, spring it is another One end is inserted in the locating slot, and is sheathed on positioning salient.
- 2. the extrusion device of 3D printer according to claim 1, it is characterised in that also include being used to heat adding for consumptive material Thermal, the top of the regulation depression bar are provided with charging hole, charging hole gap between drawing-inroller and pressure wheel Surface, the lower section between the drawing-inroller and pressure wheel are provided with conduit, and the heater is arranged at the lower section of conduit.
- 3. the extrusion device of 3D printer according to claim 1, it is characterised in that be provided with use on the fixed support In the through hole of retaining spring, regulating bolt and stop nut.
- 4. the extrusion device of 3D printer according to claim 3, it is characterised in that the fixed support is L-shaped, described Through hole sets support bracket fastened side, and the support bracket fastened opposite side is provided with the positioning hole for supplying shaft positioning.
- 5. a kind of 3D printer, including 3D printer body, it is characterised in that set in the 3D printer body just like right It is required that the extrusion device described in 1-4 any one.
- 6. 3D printer according to claim 5, it is characterised in that be additionally provided with the 3D printer body guide rail and Sliding block, length direction of the guide rail along 3D printer body are set, and the sliding block is arranged on the guide rail, the extrusion dress Install and be placed on the sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720564123.7U CN206733594U (en) | 2017-05-19 | 2017-05-19 | A kind of 3D printer and its extrusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720564123.7U CN206733594U (en) | 2017-05-19 | 2017-05-19 | A kind of 3D printer and its extrusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206733594U true CN206733594U (en) | 2017-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720564123.7U Active CN206733594U (en) | 2017-05-19 | 2017-05-19 | A kind of 3D printer and its extrusion device |
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| CN (1) | CN206733594U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478830A (en) * | 2021-07-22 | 2021-10-08 | 合肥中健利普医疗科技有限公司 | Feeding device for 3D printer |
-
2017
- 2017-05-19 CN CN201720564123.7U patent/CN206733594U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478830A (en) * | 2021-07-22 | 2021-10-08 | 合肥中健利普医疗科技有限公司 | Feeding device for 3D printer |
| CN113478830B (en) * | 2021-07-22 | 2023-10-13 | 合肥中健利普医疗科技有限公司 | Material feeding unit for 3D printer |
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