CN205631388U - Thread feeding mechanism of 3D printer - Google Patents
Thread feeding mechanism of 3D printer Download PDFInfo
- Publication number
- CN205631388U CN205631388U CN201620148010.4U CN201620148010U CN205631388U CN 205631388 U CN205631388 U CN 205631388U CN 201620148010 U CN201620148010 U CN 201620148010U CN 205631388 U CN205631388 U CN 205631388U
- Authority
- CN
- China
- Prior art keywords
- friction
- printer
- wheel
- mounting seat
- transfer assembly
- Prior art date
- 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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- Delivering By Means Of Belts And Rollers (AREA)
Abstract
The utility model relates to a 3D printing apparatus, in particular to thread feeding mechanism of 3D printer. The utility model provides a following technical scheme: a thread feeding mechanism of 3D printer, including the mount pad, erect the conveying subassembly on the mount pad, the conveying subassembly is vertical pinch roller that sets up side by side including the friction transfer gear and with the friction transfer gear, the clearance has between pinch roller and the friction transfer gear, this clearance is crowded material passageway, the mount pad is put on the shelf and is equipped with the rotatory driving motor of drive friction transfer gear, the mount pad is equipped with two sets of horizontal parallel configuration's conveying subassembly at least, be equipped with the linkage piece with the driving motor linkage on the friction transfer gear in each group's conveying subassembly respectively. Adopt above -mentioned technical scheme, provide big, the stable thread feeding mechanism of 3D printer of pine silk of contact surface in data send process.
Description
Technical field
This utility model relates to a kind of 3D printing device, particularly to the wire feeder of a kind of 3D printer.
Background technology
3D printer is a kind of private print equipment that can print out threedimensional model or product.All obtain relatively in every field
For using widely.
3D printer, when implementing to print, needs to be delivered in printhead material (i.e. plastic wire) by wire feeder,
Printhead outputs it after in fact applying heat.
Traditional wire feeder mainly by mounting seat, be set up in mounting seat friction and transmit wheel and transmit wheel in vertical with friction
Transmitting to the pinch roller being set up in parallel, pinch roller and friction and have gap between wheel, this gap is material extrusion passage.This type of wire feeder is only
Having one group of pinch roller and friction transmits wheel, contact surface during wire feed is less, and loose wire is not sufficiently stable.
Summary of the invention
The deficiency existed for prior art, this utility model provides that a kind of contact surface is big during transmitting, loose wire
The wire feeder of stable 3D printer.
For achieving the above object, this utility model provides following technical scheme: the wire feeder of a kind of 3D printer, bag
Include mounting seat, the transfer assembly being set up in mounting seat, transfer assembly include friction transmit wheel and with friction transmit wheel in
The pinch roller being longitudinally set up in parallel, pinch roller and friction transmit has gap between wheel, and this gap is material extrusion passage, and mounting seat sets up
Have and drive friction to transmit the driving motor that wheel rotates, it is characterised in that: described mounting seat is provided with at least two groups and arranges the most side by side
The transfer assembly of cloth, the friction in each group transfer assembly transmits the STATEMENT OF FEDERALLY SPONSORED being respectively equipped with and driving motor linkage on wheel.
Use technique scheme, by arranging the transfer assembly of at least two horizontal laid out in parallel of group in mounting seat, make
During wire feed, the compressive plane (i.e. contact surface) to plastic wire is increased, owing to contact area is bigger, in identical frictional force
In the case of, less to the pressure of material silk, substantially without causing material to be deformed, impact print so that loose wire process more
It is stable.
This utility model is further arranged to: STATEMENT OF FEDERALLY SPONSORED include and drive motor linkage output helical gear and with output
The travelling gear of helical gear engagement, friction is transmitted wheel and is linked with travelling gear by connecting shaft.
Use technique scheme, drive the output part of motor to implement to engage with travelling gear by output helical gear,
Meshing performance is good.Contact line at output helical gear teeth is the straight line tilted with Gear axis, and the gear teeth start engagement and depart from
Engagement is all gradually, thus stable drive, noise are little, and the most this engagement system also reduces the foozle shadow to transmission
Ring.And it is big with the registration of transmission gear to export helical gear.Can reduce the load of every pair of gear teeth, thus relative raising
The bearing capacity of gear, extends the service life of gear, and makes stable drive.
This utility model is further set to: it is installation portion that friction transmits the axial two ends of wheel, local arcuation in the middle part of it
Annular recess, the inwall of this annular recess is evenly equipped with friction convex tendon.
Use technique scheme, it is preferable that degree of friction is so set, plastic wire can be implemented stable conveying.
Below in conjunction with the accompanying drawings this utility model is further described.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view 1 of this utility model embodiment;
Fig. 2 is the schematic perspective view 2 of this utility model embodiment;
Fig. 3 is the schematic perspective view that in this utility model embodiment, friction transmits wheel.
Detailed description of the invention
The wire feeder of a kind of 3D printer as shown in Fig. 1 Fig. 3, includes mounting seat 1, is set up in mounting seat 1
Transfer assembly 2, transfer assembly 2 includes friction and transmits wheel 21 and transmit wheel 21 in the pinch roller being longitudinally set up in parallel with friction
22, pinch roller 22 and friction transmit has gap between wheel 21, and this gap is material extrusion passage 23, and mounting seat 1 is added to be provided with driving and rub
Wiping the driving motor 3 transmitting wheel 21 rotation, mounting seat 1 is provided with the transfer assembly 2 of at least two horizontal laid out in parallel of group, respectively organizes transmission
Friction in assembly 2 transmits the STATEMENT OF FEDERALLY SPONSORED 4 being respectively equipped with and driving motor 3 to link on wheel 21.In such scheme, by installing
The transfer assembly 2 of at least two group horizontal laid out in parallel is set on seat 1, makes during wire feed the compressive plane to plastic wire (i.e. contact
Face) increased, owing to contact area is bigger, in the case of identical frictional force, less to the pressure of material silk, substantially without
Causing material to be deformed, impact prints so that loose wire process is more stable.
In this utility model embodiment, STATEMENT OF FEDERALLY SPONSORED 4 includes and the output helical gear 41 driving motor 3 to link and with defeated
Going out the travelling gear 42 of helical gear 41 engagement, friction is transmitted wheel 21 and is linked with travelling gear 42 by connecting shaft 24.Drive motor 3
Output part engaged by output helical gear 41 and travelling gear 42 enforcement, meshing performance is good.At output helical gear 42 gear teeth
Contact line be and Gear axis tilt straight line, the gear teeth start engagement and be disengaged from being all gradually, thus stable drive,
Noise is little, and the most this engagement system also reduces the foozle impact on transmission.And export helical gear 41 and transmit tooth
The registration of wheel 42 is big.Can reduce the load of every pair of gear teeth, thus the relative bearing capacity that improve gear, extend tooth
The service life of wheel, and make stable drive.
In order to make wire feed process more stable.It is installation portion that friction transmits the axial two ends of wheel 21, is provided with arcuation in the middle part of it
Annular recess 211, the inwall of this annular recess 211 is evenly equipped with friction convex tendon 212.
Claims (3)
1. a wire feeder for 3D printer, includes mounting seat, the transfer assembly being set up in mounting seat, transfer assembly bag
Including friction and transmit wheel and with friction transmission wheel in the pinch roller being longitudinally set up in parallel, pinch roller and friction transmit between having between taking turns
Gap, this gap is material extrusion passage, and added being provided with of mounting seat drives friction to transmit the driving motor that wheel rotates, it is characterised in that: institute
The mounting seat stated is provided with the transfer assembly of at least two horizontal laid out in parallel of group, and it is upper respectively that the friction in each group transfer assembly transmits wheel
It is provided with and drives the STATEMENT OF FEDERALLY SPONSORED of motor linkage.
The wire feeder of 3D printer the most according to claim 1, it is characterised in that: described STATEMENT OF FEDERALLY SPONSORED includes and drives
The output helical gear moving motor linkage and the travelling gear engaged with output helical gear, friction transmits to be taken turns by connecting shaft and transmission
Gear-linked.
The wire feeder of 3D printer the most according to claim 1 and 2, it is characterised in that: described friction transmits wheel
Axially two ends are installation portion, be provided with the annular recess of arcuation, the inwall of this annular recess is evenly equipped with friction convex tendon in the middle part of it.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620148010.4U CN205631388U (en) | 2016-02-26 | 2016-02-26 | Thread feeding mechanism of 3D printer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620148010.4U CN205631388U (en) | 2016-02-26 | 2016-02-26 | Thread feeding mechanism of 3D printer |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205631388U true CN205631388U (en) | 2016-10-12 |
Family
ID=57076796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620148010.4U Expired - Fee Related CN205631388U (en) | 2016-02-26 | 2016-02-26 | Thread feeding mechanism of 3D printer |
Country Status (1)
Country | Link |
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CN (1) | CN205631388U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107457991A (en) * | 2017-03-08 | 2017-12-12 | 深圳新域中科科技股份有限公司 | A kind of 3D printer feeding structure |
-
2016
- 2016-02-26 CN CN201620148010.4U patent/CN205631388U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107457991A (en) * | 2017-03-08 | 2017-12-12 | 深圳新域中科科技股份有限公司 | A kind of 3D printer feeding structure |
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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: 20161012 Termination date: 20200226 |
|
CF01 | Termination of patent right due to non-payment of annual fee |