CN206344462U - 3D printer extruder structure - Google Patents
3D printer extruder structure Download PDFInfo
- Publication number
- CN206344462U CN206344462U CN201621416767.3U CN201621416767U CN206344462U CN 206344462 U CN206344462 U CN 206344462U CN 201621416767 U CN201621416767 U CN 201621416767U CN 206344462 U CN206344462 U CN 206344462U
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- CN
- China
- Prior art keywords
- wheel
- extruder
- binder
- printer
- lever
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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 provides 3D printer extruder structure, is related to 3D printer field, is related specifically to a kind of molten thermoplastic material sedimentation type 3D printer extruder structure, including detection means, feed device and the extrusion device being sequentially connected from top to bottom；Described feed device includes the feeding wheel positioned at middle part, and the binder wheel positioned at feeding wheel both sides, described binder wheel is connected by lever with a conjoined assembly respectively, one by the upper arm of servo motor driven against described lever；Described extrusion device includes heat abstractor, printhead and printing nozzle, and described printhead is connected with heating element.The utility model can accommodate two kinds of materials simultaneously, and it operates two kinds of materials of extrusion by a stepper motor, so a kind of quality of model extruder of material with is similar.Extruder point midway has servo control mechanism, can be switched fast two kinds of materials.Thus material switching can carry out faster, and it is shorter so to compare the time-write interval with single stepper motor extruder.
Description
Technical field
The utility model is related to 3D printer field, is related specifically to a kind of molten thermoplastic material sedimentation type 3D printer
Extruder structure.
Background technology
Inside current melted material layer deposition techniques in most common two kinds of file printing extruders, every kind of independent band of material
There is feeding structure.Each feeding structure includes feeding wheel, and the rough surface of its feeding wheel is compared with the frictional force of material
Greatly, the conveying of ability pressed material.Feeding wheel is because be installed in above stepper motor bent axle either because stepper motor is bent
Axle is driven to feeding wheel crank rotation.So having two feeding stepper motors inside an extruder, this causes to squeeze
Go out machine size with quality to increase, such extruder inertia is also increased.Two kinds of material extruders have used one in other schemes
Stepper motor and a feeding wheel.Extruder moves on to the insurance filled on the printer wall on the right or the left side inside such scheme
During thick stick, the lever of switching material can be activated.Although this scheme because only that a stepper motor and reduce the inertia of extruder,
But it has the disadvantage because extruder moves on to bumper necessary for switching material the time-write interval is extended, and prints
Each will so be done using the level of two kinds of materials.Disposable printing whole process will carry out hundreds of or even cut for thousands of times
Change, such printer model time is extended significantly.
US 8827684B1 patents describe 3D printer and the print head assembly with multiple continuous printing consumables.Manufacture is molten
Melting the printer of long filament has the extrusion module with multiple printheads with the printing end.Because fixed print head structure can be by
Multiple ends arrangement inside printhead is very tight and directly leads multiple plastics or metal filament inside different printheads.Printing
The very tight printing end is arranged to inside head assembly has shared component.For example, a print head assembly has four printings
Head, with a shared heating block and heating block temperature-sensing pipe.Heating block has the printhead of four linear distributions.Each is beaten
Print head has single printing consumables, is led with the step motor control of oneself and by heating block inside the printing end.Beat
Stamp type is carried out by asynchronous operation stepper motor, and stepper motor makes printing consumables through heating block and one of printing
Head UNICOM.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of extruder structure for being switched fast material.
It is achieved through the following technical solutions above-mentioned purpose：
3D printer extruder structure, including detection means, feed device and the extrusion device being sequentially connected from top to bottom；
Described feed device includes the feeding wheel positioned at middle part, the binder wheel positioned at feeding wheel both sides, described pressure wheel
Son is connected by lever with a conjoined assembly respectively, one by the upper arm of servo motor driven against described lever；Described squeezes
Going out device includes heat abstractor, printhead and printing nozzle, and described printhead is connected with heating element.
Further described as to above-mentioned 3D printer extruder structure, in addition to a passage, described passage
Through described detection means and feed device, and described guide tube edges set relative breach, described breach bag
Include and accommodate the detection mouth that wheel is detected in detection means and the binder mouthful for accommodating binder wheel, described feeding wheel is described in
Passage coordinate with described binder wheel, be printing wire rod between described feeding wheel and described binder wheel.
Further described as to above-mentioned 3D printer extruder structure, described upper arm is an eccentric structure or one
Spline-like formations.
Further described as to above-mentioned 3D printer extruder structure, described lever is made up of two bar strips, two
Bar strip is at an angle.
Further described as to above-mentioned 3D printer extruder structure, described heat abstractor is arranged on printhead
Top, described heat abstractor includes fin and is arranged at the fan of fin side.
The beneficial effects of the utility model are：1st, the model of two kinds of materials can be formed with this extruder, while this is big
Small and quality with a kind of common extruder of material very close to.2nd, the size of this structure and a kind of printer arrangement of material of use
It is identical, therefore when the workbench printer model of identical size, without amplifying this physical dimension, be so actually printed with
Effect area would not be influenceed by extruder size.3rd, another advantage is the lightweight of this extruder.Because extruder is by one
Individual stepper motor operation two kinds of materials of extrusion, so a kind of weight of this extruder structure extruder of material with is close.
4th, extruder point midway has servo control mechanism, is responsible for the switching of two kinds of materials.Thus material switching can carry out quickly, so
The time-write interval is compared with single stepper motor extruder just to shorten.
Brief description of the drawings
Fig. 1 is this new overall structure diagram.
Embodiment
The utility model is further described below in conjunction with accompanying drawing：
The direction term being previously mentioned in following examples, such as " upper and lower, left and right " they are only the directions of refer to the attached drawing, because
This, the direction term used is intended to be illustrative and not intended to limit the utility model.
As shown in figure 1,3D printer extruder structure, including be sequentially connected from top to bottom detection means, feed device
And extrusion device；Apparatus above is all fixed in the main body of extruder, and described feed device includes the drawing-inroller positioned at middle part
Son 3, binder wheel 13a, 13b positioned at the both sides of feeding wheel 3, described binder wheel 13a, 13b respectively by lever 11a,
11b is connected with a conjoined assembly 12, and a upper arm 15 driven by servo motor 14 is against described lever 11a, 11b；Described
Extrusion device includes heat abstractor, printhead 6 and printing nozzle 7, and described printhead 6 is connected with heating element 8.
Further described as to above-mentioned 3D printer extruder structure, in addition to a passage 17, described guide
Pipe 17 runs through described detection means and feed device, and described guide tube edges set relative breach, and described lacks
Mouth includes accommodating the binder mouthful 17b of the detection mouth 17a of detection wheel and receiving binder wheel in detection means, described drawing-inroller
Son 3 coordinates through described passage 17 with described binder wheel, between described feeding wheel and described binder wheel
For printing wire rod.
Further described as to above-mentioned 3D printer extruder structure, described upper arm is an eccentric structure or one
Spline-like formations.
Further described as to above-mentioned 3D printer extruder structure, described lever is made up of two bar strips, two
Bar strip is at an angle.
Further described as to above-mentioned 3D printer extruder structure, described heat abstractor is arranged on printhead 6
Top, described heat abstractor includes fin 9 and is arranged at the fan 10 of the side of fin 9.
The integrally-built operation principle of this detection consumptive material is as follows：
3D printer extruder includes the extruder stepper motor 2 of main body 1 and dress in the above.Above stepper motor bent axle
There is rough surface with teeth to increase the feeding wheel 3 of material stickup property.Two kinds of materials are by two bar grooves above main body 1
4th, 5 it is driven into feeding wheel 3 in printhead 6 and printing nozzle 7.Be connected to printhead 6 heating element 8 heat the material to it is molten
Melt temperature.The outlet of printing nozzle 7 is narrower than material diameter, so just can accurately apply the material of extrusion up.Printhead
There are heat abstractor, including fin 9 and fan 10 above.The thick stick of two symmetrical pressed materials has been filled in extruder main body 1
Bar 11a, 11b.There is the binder wheel 3 of pressed material above each lever.There is servo motor 14 in the middle of lever 11a, 11b, at it
On filled activation lever 11a, 11b upper arm 15.Have on lever 11a, 11b of pressed material and survey having for rotary motion
The measurement wheel 16 of converter encoder.
The bar groove 4,5 that the moulding material of the first wire enters in extruder main body.Heating element 8 heats printhead 6
To polymer melting temperature.Driving stepper motor feeding wheel 3, the surface of feeding wheel 3 is with teeth, to increase material on wheel
Stickup.Entered by the operating material counterclockwise of feeding wheel 3 by groove 4,5 printhead 6 of printer, pass through printing nozzle
7 are expressed into outside.Because material is forced into feeding wheel 3 with binder wheel 13a, 13b material can just be moved.Binder
Wheel 13a, 13b are upper can be mobile from material distance because being installed in lever 11a, 11b.Servo motor 14 passes through rotation
Upper arm 15 plays strength on lever 13a, 13b.Cast material is attached to groove 4 and by it after nozzle extrusion, groove 5 can be filled
The backing material of wire.The position for being installed into upper arm 15 after groove 5 is changed, and it can push down lever 11a, 11b, lever 11a,
11b pushes down material by binder wheel 13a, 13b, so ensures and the friction of feeding wheel greatly.
Because two levers 11a, 11b be with conjoined assembly 12 link up the position of upper arm 15 change cause lever
11b compacting makes the binder wheel above 11a be removed from cast material, so material compacting is released.Next, addition
Feeding wheel starts clockwise to turn toward negative side after pressure on 13b wheels, so mobile backing material and general
It enters printhead 6 and printing nozzle 7.The movement of material makes the chong channel above the operating of measurement wheel and calculation code device.Pass through
The information of appropriate calculating material movable length is sent to inside system always.The end of material is moved on to below measurement wheel
Wheel shuts down during position, and this gives the feedback of printer measuring system extruded material stopping.
It is described above that not this new technical scope is imposed any restrictions, it is all according to the utility model technical spirit to
On embodiment any modification, equivalent variations and the modification made, in the range of still falling within this new technical scheme.
Claims (5)
1.3D printer extruder structures, it is characterised in that including the detection means being sequentially connected from top to bottom, feed device and
Extrusion device；Described feed device includes the feeding wheel positioned at middle part, and the binder wheel positioned at feeding wheel both sides is described
Binder wheel be connected respectively by lever with a conjoined assembly, one by the upper arm of servo motor driven against described lever；
Described extrusion device includes heat abstractor, printhead and printing nozzle, and described printhead is connected with heating element.
2. 3D printer extruder structure according to claim 1, it is characterised in that：Also include a passage, it is described
Passage runs through described detection means and feed device, and described guide tube edges set relative breach, described
Breach includes accommodating the binder mouthful of the detection mouth of detection wheel and receiving binder wheel in detection means, and described feeding wheel is worn
Cross described passage with described binder wheel to coordinate, be print wire between described feeding wheel and described binder wheel
Material.
3. 3D printer extruder structure according to claim 2, it is characterised in that：Described upper arm is an eccentric structure
Or spline-like formations.
4. 3D printer extruder structure according to claim 2, it is characterised in that：Described lever is by two bar strip groups
Into two bar strips are at an angle.
5. 3D printer extruder structure according to claim 1, it is characterised in that：Described heat abstractor, which is arranged on, to be beaten
The top of head is printed, described heat abstractor includes fin and is arranged at the fan of fin side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621416767.3U CN206344462U (en) | 2016-12-22 | 2016-12-22 | 3D printer extruder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621416767.3U CN206344462U (en) | 2016-12-22 | 2016-12-22 | 3D printer extruder structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206344462U true CN206344462U (en) | 2017-07-21 |
Family
ID=59321433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621416767.3U Expired - Fee Related CN206344462U (en) | 2016-12-22 | 2016-12-22 | 3D printer extruder structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206344462U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107351404A (en) * | 2017-08-31 | 2017-11-17 | 长沙远达华信息科技有限公司 | A kind of 3D printer extruder |
-
2016
- 2016-12-22 CN CN201621416767.3U patent/CN206344462U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107351404A (en) * | 2017-08-31 | 2017-11-17 | 长沙远达华信息科技有限公司 | A kind of 3D printer extruder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170721 Termination date: 20211222 |