CN206703528U - A kind of feed mechanism of 3D printer - Google Patents
A kind of feed mechanism of 3D printer Download PDFInfo
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- CN206703528U CN206703528U CN201720353618.5U CN201720353618U CN206703528U CN 206703528 U CN206703528 U CN 206703528U CN 201720353618 U CN201720353618 U CN 201720353618U CN 206703528 U CN206703528 U CN 206703528U
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- transmission wheel
- feed mechanism
- elastic component
- wheel
- driven
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Abstract
The utility model discloses a kind of feed mechanism of 3D printer, it is rotated by including active transmission wheel (1), drive device (2), silk pressing arm (3), driven transmission wheel (4) and elastic component (5), active transmission wheel drive device；Silk pressing arm is arranged at the side of active transmission wheel, and one end is articulated with fixed point, mobile terminal (52) connection of the other end and elastic component；Driven transmission wheel is fixed in silk pressing arm arm, and the fixing end (51) of elastic component is fixed in fixed point, and by mobile terminal make driven transmission wheel under the elastic force effect of elastic component it is cylindrical tangent with initiative driver.Above-mentioned feed mechanism improves feeding force, reduces abrasion printing consumables, avoids producing detritus, the work of feed mechanism will not be influenceed because of detritus problem, so as to improve the job stability of feeding process.
Description
Technical field
The utility model belongs to 3D printing apparatus field, and in particular to a kind of feed mechanism of 3D printer.
Background technology
3D printing technique (or rapid shaping technique) obtains because its is excellent in many advantages of existing subtraction processing technology
It is fast-developing.During printing, the 3D printing consumptive material of solid-state is heated to by molten condition by shower nozzle, shower nozzle part generally comprises feeding
Mechanism, liquefier, nozzle etc., structure is sent into by printing consumables and is sent into liquefier, then extruded the material of molten state by nozzle,
Layer upon layer printing shaping, eventually forms printer model.
The feeding process of printing consumables is highly important precondition for printing shaping.Conventional feed mechanism is general
It is made up of transmission gear and thread pressing wheel, printing consumables is clipped between transmission gear and thread pressing wheel, is rotated and forced by transmission gear
Printing consumables is sent into forward.In such feed mechanism, the spacing between transmission gear and thread pressing wheel is relatively fixed, for flexibility
Printing consumables, it is impossible to feeding force is provided well to complete stable feeding process, so as to cause to be sent into process inefficient, it is impossible to complete
The step of into printing shaping.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of feed mechanism of 3D printer, using the feeding
Mechanism can improve printing consumables and be sent into the stability of process, and will not wear printing consumables.
First aspect, there is provided a kind of feed mechanism of 3D printer, including active transmission wheel, drive device, silk pressing arm, from
Dynamic transmission wheel and elastic component, active transmission wheel are rotated by drive device；Silk pressing arm is arranged at the one of active transmission wheel
Side, one end are articulated with fixed point, the mobile terminal connection of the other end and elastic component；Driven transmission wheel is fixed in silk pressing arm arm, bullet
Property part fixing end be fixed in fixed point, and driven transmission wheel is driven under the elastic force effect of elastic component with active by mobile terminal
That takes turns is cylindrical tangent.
With reference in a first aspect, in a kind of possible implementation of first aspect, above-mentioned active transmission wheel and driven biography
Wheel is sent to be made by elastomeric material of the A types shore hardness in 30-98 degree.
With reference to first aspect or above-mentioned some possible embodiments, in a kind of possible implementation of first aspect
In, above-mentioned elastomeric material is rubber.
With reference to first aspect or above-mentioned some possible embodiments, in a kind of possible implementation of first aspect
In, guide pipe is additionally provided with below above-mentioned active transmission wheel and driven transmission wheel tangency location, the diameter of guide pipe is from top to bottom
It is gradually reduced.
At work, drive device driving active transmission wheel rotates above-mentioned feed mechanism, due to the elastic force in elastic component
Under effect, even if the printing consumables size clamped between two transmission wheels is different, driven transmission wheel can also transmit with active all the time
Take turns tangent.When active transmission wheel rotates, driven transmission wheel rotates along the rotation direction opposite with active transmission wheel, two transmission
Contacted between wheel by outer round surface and transmit torque, what the printing consumables for making to be clipped between two transmission wheel outer face surfaces was subject to send
Enter power and one times is added compared with common feed mechanism, so as to improve the stability of feeding process, also cause feed mechanism
It can require to come and go feeding printing consumables according to specific.Above-mentioned feed mechanism except suitable for common 3D printing consumptive material,
It can be perfectly suitable for being sent into flexible print consumptive material.
In common 3D printer feed mechanism, while feeding force is provided, also easily abrasion printing consumes transmission gear
Material, detritus is produced, diameter of section reduces after one side printing consumables is worn, and is unfavorable for specifically coming and going in printing shaping process
The motion of feed mechanism, being on the other hand deposited in detritus in feed mechanism also influences the relative fortune of transmission gear and printing consumables
It is dynamic, it is impossible to provide feeding force well to complete stable feeding process.And the feed mechanism in embodiment of the present utility model
It can avoid wearing printing consumables, avoid producing detritus, the work of feed mechanism will not be influenceed because of detritus problem, so as to enter
One step improves the job stability of feeding process.
Brief description of the drawings
Fig. 1 is the stereochemical structure of one of embodiment of the feed mechanism of 3D printer provided by the utility model
Schematic diagram.
Fig. 2 is the main structure diagram of the feed mechanism of Fig. 1 3D printer.
Description of reference numerals：Active transmission wheel 1；Annular groove 11；Drive device 2；Silk pressing arm 3；Driven transmission wheel 4；Bullet
Property part 5；Fixing end 51；Mobile terminal 52；Printing consumables 6.
Embodiment
In description of the present utility model, it is to be understood that unless otherwise clearly defined and limited, term " on ",
" under ", "left", "right", " orientation or position relationship of the instruction such as " center " are based on orientation shown in the drawings or position relationship, only
It is to be described for the ease of description the utility model with simplified, rather than indicates or imply that the device of meaning or element must be with spies
Fixed orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
Fisrt feature second feature it " on " or it " under " can directly be contacted including the first and second features, can also
It is not direct contact but by the other characterisation contact between them including the first and second features.Moreover, fisrt feature
Second feature " on ", " top " and " above " include fisrt feature directly over second feature and oblique upper, or only table
Show that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " include the
One feature is immediately below second feature and obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
The term such as term " installation ", " affixed ", " connection ", " fixation " should be interpreted broadly, for example, it may be fixed connect
Connect or be detachably connected, or be integrally connected；Can be mechanical connection or electrical connection；It can be direct phase
Even, it can also be indirectly connected by intermediary, can be the connection of two element internals.For the ordinary skill people of this area
For member, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In order that those skilled in the art more fully understand the utility model, below in conjunction with the accompanying drawings and it is embodied
The utility model is described in further detail for mode.
Incorporated by reference to Fig. 1 to Fig. 2, in a specific embodiment, there is provided a kind of feed mechanism of 3D printer, including master
Dynamic transmission wheel 1, drive device 2, silk pressing arm 3, driven transmission wheel 4 and elastic component 5, driving of the active transmission wheel 1 in drive device 2
Lower rotation；Silk pressing arm 3 is arranged at the side of active transmission wheel 1, and one end is articulated with fixed point, the mobile terminal of the other end and elastic component 5
52 connections；Driven transmission wheel 4 is fixed in the arm of silk pressing arm 3, and the fixing end 51 of elastic component 5 is fixed in fixed point, and passes through movement
End 52 makes driven transmission wheel 4 cylindrical tangent with initiative driver under the elastic force effect of elastic component 5.
At work, drive device 2 drives active transmission wheel 1 to rotate to above-mentioned feed mechanism, due to the bullet in elastic component 5
Under power effect, even if the size of printing consumables 6 that is clamped between two transmission wheels is different, driven transmission wheel 4 also can all the time with actively
Transmission wheel 1 is tangent.When active transmission wheel 1 rotates, drive lower edge and actively transmission of the driven transmission wheel 4 in active transmission wheel 1
Take turns 1 opposite rotation direction to rotate, contacted between two transmission wheels by outer round surface and transmit torque, make to be clipped in two transmission wheels
The feeding force that printing consumables 6 between outer face surface is subject to adds one times compared with common feed mechanism, so as to improve
The stability of feeding process, feed mechanism is also enabled to require to come and go feeding printing consumables 6 according to specific.Above-mentioned feeding machine
Structure is except suitable for common 3D printing consumptive material 6, can also be perfectly suitable for being sent into flexible print consumptive material 6.
In above-mentioned feed mechanism, drive device 2 can be stepper motor etc.；Elastic component 5 can be stretched or compressed, and will be drawn
Power or thrust are in silk pressing arm 3, so as to which in different situations, driven transmission wheel 4 can be cylindrical with active transmission wheel 1
It is tangent, and rotated backward under the drive of active transmission wheel 1.
In common 3D printer feed mechanism, transmission gear easily wears printing consumables while feeding force is provided
6, detritus is produced, diameter of section reduces after one side printing consumables 6 is worn, and is unfavorable for specifically coming and going in printing shaping process
The motion of feed mechanism, being on the other hand deposited in detritus in feed mechanism also influences the relative fortune of transmission gear and printing consumables 6
It is dynamic, it is impossible to provide feeding force well to complete stable feeding process.
Therefore, further in another embodiment, active transmission wheel 1 and driven transmission wheel 4 are hard by A type shore
The elastomeric material spent in 30-98 degree is made.Above-mentioned Shore durometer number can generally be measured by shore hardness.Above-mentioned elasticity
Material is elastomeric material of the prior art, such as rubber, soft modeling etc., preferably by rubber type of material.It is hard for A type shore
The requirement of degree, refer to select the elastomeric material for meeting A type shore hardness requirements in current material.Further, selection transmission
During the material of wheel, it is also an option that wear loss is not more than 1.5cm3/ km elastomeric material.
In use, printing consumables 6 enters at the phase section of active transmission wheel 1 and driven transmission wheel 4, with reference to transmission wheel sheet
The elasticity of body, and motor drive provided feeding force, and printing consumables 6 is transported into opposite side from the side of transmission wheel.
A types shore hardness is selected in existing elastomeric material between 30-98 degree and/or wear loss≤1.5cm3/ km material, although
It is to be selected in current material, but the elastomeric material for meeting above-mentioned requirements in the present embodiment first is applied to foregoing feeding
It in the active transmission wheel 1 and driven transmission wheel 4 of mechanism, can avoid wearing printing consumables 6, avoid producing detritus, will not be because of
Detritus problem and influence the work of feed mechanism, so as to further improve feeding process job stability.Meanwhile two above-mentioned
Contacted between transmission wheel made of elastomeric material by outer round surface and transmit torque, also cause feed mechanism in equivalent motor power
In the case of further improve feeding force to printing consumables 6, so as to lift the stability of feeding process.
Further, in another embodiment, the lower section of active transmission wheel 1 and the tangency location of driven transmission wheel 4 is also set
There is guide pipe, the diameter of guide pipe is from top to bottom gradually reduced.Usually, the diameter of guide pipe bottom is than printing consumables diameter
Big 1-2mm.In use, printing consumables 6 enters at the phase section of active transmission wheel 1 and driven transmission wheel 4 combines transmission wheel sheet
The elasticity of body, and motor drive provided feeding force, and printing consumables 6 is transported into opposite side from the side of transmission wheel, entered
Enter guide pipe, printing consumables 6 is sent into by liquefier by guide pipe.As preferable, the opening of guide pipe can be arranged to
Transmission wheel it is highly consistent.
Further, incorporated by reference to Fig. 1, in another embodiment, actively transmit that annular is provided with wheel side outer wall is recessed
Groove 11., can be in the motion path of feed mechanism work timing printing consumables 6 by annular groove 11.
Finally it should be noted that：Various embodiments above is only helping to understand that the technical solution of the utility model and core are thought
Think, rather than its limitations；Although the utility model is described in detail with reference to foregoing embodiments, this area it is common
Technical staff should be understood：It can still modify to the technical scheme described in foregoing embodiments, or to wherein
Some or all of technical characteristic carries out equivalent substitution, and these modifications or replacement also fall into the utility model claims
In protection domain.
Claims (5)
1. a kind of feed mechanism of 3D printer, it is characterised in that including active transmission wheel (1), drive device (2), silk pressing arm
(3), driven transmission wheel (4) and elastic component (5), active transmission wheel are rotated by drive device；Silk pressing arm is arranged at master
The side of dynamic transmission wheel, one end are articulated with fixed point, mobile terminal (52) connection of the other end and elastic component；Driven transmission wheel is fixed in
With silk pressing arm arm, the fixing end (51) of elastic component is fixed in fixed point, and makes driven transmission wheel in elastic component by mobile terminal
Elastic force effect is lower cylindrical tangent with initiative driver.
2. the feed mechanism of 3D printer according to claim 1, it is characterised in that the active transmission wheel and driven biography
Wheel is sent to be made by elastomeric material of the A types shore hardness in 30-98 degree.
3. the feed mechanism of 3D printer according to claim 2, it is characterised in that the elastomeric material is rubber.
4. the feed mechanism of 3D printer according to claim 1, it is characterised in that the active transmission wheel and driven biography
Send and be additionally provided with guide pipe below wheel tangency location, the diameter of guide pipe is from top to bottom gradually reduced.
5. the feed mechanism of 3D printer according to claim 1, it is characterised in that described actively to transmit wheel side outer wall
On be provided with annular groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720353618.5U CN206703528U (en) | 2017-04-06 | 2017-04-06 | A kind of feed mechanism of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720353618.5U CN206703528U (en) | 2017-04-06 | 2017-04-06 | A kind of feed mechanism of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206703528U true CN206703528U (en) | 2017-12-05 |
Family
ID=60467691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720353618.5U Active CN206703528U (en) | 2017-04-06 | 2017-04-06 | A kind of feed mechanism of 3D printer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106696274A (en) * | 2017-04-06 | 2017-05-24 | 无锡太尔时代科技有限公司 | Conveying mechanism of 3D printer |
| WO2023065603A1 (en) * | 2021-10-22 | 2023-04-27 | 江苏浩宇电子科技有限公司 | 3d printing apparatus and rotary filament-feeding mechanism thereof |
-
2017
- 2017-04-06 CN CN201720353618.5U patent/CN206703528U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106696274A (en) * | 2017-04-06 | 2017-05-24 | 无锡太尔时代科技有限公司 | Conveying mechanism of 3D printer |
| WO2023065603A1 (en) * | 2021-10-22 | 2023-04-27 | 江苏浩宇电子科技有限公司 | 3d printing apparatus and rotary filament-feeding mechanism thereof |
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