CN106738928A - A kind of cylinder cam-type fusion sediment type 3D printing feed device and its method - Google Patents
A kind of cylinder cam-type fusion sediment type 3D printing feed device and its method Download PDFInfo
- Publication number
- CN106738928A CN106738928A CN201710071715.XA CN201710071715A CN106738928A CN 106738928 A CN106738928 A CN 106738928A CN 201710071715 A CN201710071715 A CN 201710071715A CN 106738928 A CN106738928 A CN 106738928A
- Authority
- CN
- China
- Prior art keywords
- cylindrical cam
- shell
- feeding trough
- silk material
- wire feeding
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000004927 fusion Effects 0.000 title claims abstract description 10
- 239000013049 sediment Substances 0.000 title claims abstract description 10
- 238000010146 3D printing Methods 0.000 title claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 51
- 238000007639 printing Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims 1
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
Abstract
The present invention proposes a kind of cylinder cam-type fusion sediment type 3D printing feed device and its implementation, silk material (4) is inserted into wire feeder from the silk mouthful A that enters of shell (1), silk material (4) is persistently sent into while slow rotation cylindrical cam (2), silk material (4) just can enter in the wire feeding trough C of cylindrical cam (2) and be stretched out from the filament mouth B of shell (1), and wire feed can be stablized under stepper motor (5) control.Using feed device of the invention and its method, larger torque can be provided in feeding process, and then cause that printer has wire feed stabilization, be difficult to skid, send out and the characteristics of pumpback is easily controllable.
Description
Technical field
The invention belongs to 3D printer technical field, and in particular to a kind of cylinder cam-type fusion sediment type 3D printer send
Material device.
Background technology
3D printing is a kind of threedimensional model hierarchy slicing for setting up computer, and product is made by successively piling up printed material
The technology of product.Fused glass pellet (FDM) is a kind of conventional 3D printing technique, and thermoplastic silk (ABS, PLA etc.) is led to
Cross feed mechanism and be sent into printhead, semi-molten extrusion is heated in the heater of printhead, semi-molten material is in computer
Predetermined position is Nian Jie with adjacent material under control and solidifies rapidly.
The feed mechanism of most FDM 3D printers all uses a friction pulley and a driven cunning in the market
The mode of wheel, friction pulley is connected with stepper motor, and pressure is applied to friction pulley by device, when friction pulley is rotated, by friction
Power makes silk be sent into forward.This feeder structure is simple, and cost is relatively low, is widely used.But it there is also
Following deficiency：1st, available torque is small；2nd, thrust be difficult regulation 3, silk material size it is uneven when, possibly cannot be sent into causes
Printing is interrupted；4th, friction pulley is after long-time is using abrasion, it is easy to skid；5th, shower nozzle occurs in print procedure
Block.The interruption of wire feed can all cause that printing is interrupted caused by any of the above is not enough, part rejection；
The content of the invention
The present invention regarding to the issue above, there is provided a kind of cylinder cam-type fusion sediment type 3D printer feed device and its
Method.
Cylinder cam-type fusion sediment type 3D printing feed device provided in an embodiment of the present invention, it is characterised in that including
Shell (1), cylindrical cam (2), lid (3), silk material (4), stepper motor (5)；It is characterized in that：Shell (1) bottom and institute
Stepper motor (5) connection is stated, the output shaft of the stepper motor (5) is stretched into shell (1) from the hole of the shell (1) bottom；
The cylindrical cam (2) is on the output shaft of stepper motor (5) and fixed；The lid (3) is installed in shell (1)
On；Enter silk mouthful A of the silk material (4) from the shell (1) enters the feed device, and circle is led into by shell (1)
In the wire feeding trough C of post cam (2), sent out from the filament mouth B of the shell (1).
It is preferred that the feed device also includes：The wire feeding trough C of the cylindrical cam (2) is with direction of rotation in certain
Angle, when the cylindrical cam (2) rotates, the component on the vertical wire feeding trough C directions provides the wire feeding trough C and the silk
The normal pressure of material (4), makes silk material (4) be moved with cylindrical cam (2).
It is preferred that the feed device also includes：Wire feeding trough C cross sectional shapes on the cylindrical cam (2) are trapezoidal.
It is preferred that the feed device also includes：The silk material (4) enters or leaves the cylindrical cam (2) wire feeding trough C's
Position is in the height direction change.
It is preferred that the feed device also includes：Sinusoidally, highs and lows are distinguished for the change of the position
It is the highest and minimum point of the wire feeding trough C of the cylindrical cam (2).
It is preferred that the feed device also includes：The shell (1) it is described enter silk mouthful A and filament mouth B at it is described to approach
Cylindrical cam (2) is seamlessly transitted into and out of the tangent line of silk position.
It is preferred that the feed device also includes：The diameter of the cylindrical cam (2) and the minimum bend of selected silk material (4)
Radius is relevant.
Feed device described in the present invention, workflow is as follows：1) silk material, is loaded into wire feeder：From shell (1)
Enter silk mouthful A and silk material (4) is inserted into the wire feeder；2), stepper motor (5) controls cylindrical cam (2) to rotate, while persistently will
Silk material (4) sends into the wire feeder so that the silk material (4) enter in the wire feeding trough C of the cylindrical cam (2) and from
The filament mouth B of shell (1) stretches out；Wherein, the silk material (4) enters or leaves the position of the cylindrical cam (2) wire feeding trough C and exists
It is change in short transverse.
It is preferred that the flow also includes：The wire feeding trough C of the cylindrical cam (2) with direction of rotation at an angle,
When the cylindrical cam (2) rotates, the component on the vertical wire feeding trough C directions provides the wire feeding trough C and the silk material (4)
Normal pressure, make silk material (4) with cylindrical cam (2) move.
It is preferred that the flow also includes：Sinusoidally, highs and lows are respectively institute for the change of the position
State the highest and minimum point of the wire feeding trough C of cylindrical cam (2).
With prior art compared with by the way of friction pulley and follow-up pulley are combined, there is following technique effect in the present invention：
Firstth, wire feed stabilization, is difficult to skid；
Secondth, remain to be sent into when silk size is varied slightly, it is constant to cause printing to be interrupted；
3rd, wire feed rate is easily controllable；
4th, the submitting and pumpback for silk thread are easily controllable；
5th, be not in the blocking of shower nozzle in print procedure.
Brief description of the drawings
Fig. 1 is the structural representation of cylinder cam-type feed device of the present invention；
Fig. 2 is the structural representation of cylindrical cam of the present invention；
Reference：Description of symbols in accompanying drawing 1,1- shells, 2- cylindrical cams, 3- lids, 4- silk materials, 5- motors, A- enters
Silk mouth, B- filament mouths；Description of symbols in accompanying drawing 2, C- wire feeding troughs, D- jackscrew mounting holes.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
Embodiment：
Referring to accompanying drawing 1, cylinder cam-type fusion sediment type 3D printing feed device of the invention, including shell (1), cylinder
Cam (2), lid (3), silk material (4), motor (5).
Shell (1) bottom is connected (connected preferably by screw, rivet etc.) with motor (5), and motor (5) is (preferably
Be stepper motor) output shaft extend into shell (1) from the hole of shell (1) bottom；The cylindrical cam (2) is installed in motor
(5) on the output shaft, fixed with jackscrew by jackscrew mounting hole D；The lid (3) is on shell (1)；Silk material (4)
The silk mouthful A that enters from shell (1) enters feed device, by the wire feeding trough C for leading into cylindrical cam (2) of shell (1),
Sent out from the filament mouth B of shell (1).
Shell (1) has a certain distance with cylindrical cam external diameter, and preferred distance is about 1mm, can cause entering silk mouthful
Sentenced with filament mouth and seamlessly transitted into and out of the tangent line of silk position close to cylindrical cam (2).
Referring to accompanying drawing 2, the structural representation of cylindrical cam of the present invention.
It is that the sine with some cycles is bent along cylinder face expansion to have wire feeding trough C, wire feeding trough C on cylindrical cam (2)
Line, the distance of highs and lows is preferably 20mm, and the cycle is preferably 2826mm；Silk material (4) enters or leaves cylindrical cam
(2) position of wire feeding trough C sinusoidally changes in the height direction, and its highs and lows is respectively cylindrical cam
(2) highest and minimum point of wire feeding trough C.
The wire feeding trough C of cylindrical cam (2) and direction of rotation θ at an angle, the angle is a certain position method on wire feeding trough C
Line and the angle in the position linear velocity direction；When cylindrical cam (2) rotates, the component F*cos on vertical wire feeding trough C directions
θ provides the normal pressure of wire feeding trough C and silk material (4), silk material (4) is moved with cylindrical cam (2) under frictional force effect.
The diameter of the cylindrical cam (2) is relevant with the minimum bending radius of selected silk material (4), should preferably be silk material
(4) 4-8 times of minimum bending radius, to ensure that silk material (4) does not fracture because of bending and ensures that wire feed is unobstructed, while reducing wire feed
Organization volume.Preferably for the most frequently used PLA silk materials of current fusion sediment type 3D printer, minimum bending radius is about silk
5 times of material diameter, for example：Silk material (4) diameter about 1.75mm, cylindrical cam (2) diameter can be taken as about 60mm.
Wire feeding trough C on cylindrical cam (2) has certain cross sectional shape, preferably trapezoidal, for example：For diameter about
The silk material (4) of 1.75mm, can select trapezoidal bottom edge lengths about 1.75mm, and top margin length is about 2mm, and height is about 2mm.
The course of work of above-mentioned printing feed device is as follows：
When silk material is loaded into wire feeder, silk material (4) is inserted into the wire feeder from the silk mouthful A that enters of shell (1), slowly
Silk material (4) is persistently sent into while rotating cylindrical cam (2), silk material (4) just can enter in the wire feeding trough C of cylindrical cam (2) simultaneously
Stretched out from the filament mouth B of shell (1), then, wire feed can be stablized under stepper motor (5) control.Wherein, the silk material (4) is entered
The position for entering or leaving the cylindrical cam (2) wire feeding trough C is in the height direction change.
Although oneself describes the preferred embodiments of the present invention, those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. a kind of cylinder cam-type fusion sediment type 3D printing feed device, including shell (1), cylindrical cam (2), lid (3), silk
Material (4), stepper motor (5)；It is characterized in that：Shell (1) bottom is connected with the stepper motor (5), the stepping electricity
The output shaft of machine (5) is stretched into shell (1) from the hole of the shell (1) bottom；The cylindrical cam (2) is installed in stepper motor
(5) it is on the output shaft and fixed；The lid (3) is on shell (1)；The silk material (4) is from the shell (1)
Enter silk mouthful A and enter the feed device, by the wire feeding trough C for leading into cylindrical cam (2) of shell (1), from the shell
(1) filament mouth B sends out.
2. printing feed device according to claim 1, it is characterised in that the wire feeding trough C of the cylindrical cam (2)
With direction of rotation at an angle, when the cylindrical cam (2) rotates, the component on the vertical wire feeding trough C directions provides institute
The normal pressure of wire feeding trough C and the silk material (4) is stated, silk material (4) is moved with cylindrical cam (2).
3. printing feed device according to claim 1 and 2, it is characterised in that the wire feeding trough on the cylindrical cam (2)
C cross sectional shapes are trapezoidal.
4. printing feed device according to claim 1, it is characterised in that the silk material (4) enters or leave the circle
The position of post cam (2) wire feeding trough C is in the height direction change.
5. printing feed device according to claim 4, it is characterised in that the change of the position sinusoidally,
Highs and lows are respectively the highest and minimum point of the wire feeding trough C of the cylindrical cam (2).
6. printing feed device according to claim 1, it is characterised in that the shell (1) enters silk mouthful A and to go out described
Silk mouth B is sentenced and seamlessly transitted into and out of the tangent line of silk position close to the cylindrical cam (2).
7. printing feed device according to claim 1, it is characterised in that the diameter of the cylindrical cam (2) with it is selected
The minimum bending radius of silk material (4) is relevant.
8. a kind of cylinder cam-type fusion sediment type 3D printing feeding method, it is characterised in that comprise the following steps：
1) silk material, is loaded into wire feeder：Silk material (4) is inserted into the wire feeder from the silk mouthful A that enters of shell (1)；
2), stepper motor (5) controls cylindrical cam (2) to rotate, while continue for silk material (4) to send into the wire feeder, so that
So that the silk material (4) enters in the wire feeding trough C of the cylindrical cam (2) and is stretched out from the filament mouth B of shell (1)；Wherein, institute
The position stated silk material (4) entrance or leave the cylindrical cam (2) wire feeding trough C is in the height direction change.
9. method according to claim 8, it is characterised in that the wire feeding trough C of the cylindrical cam (2) and rotation side
To at an angle, when the cylindrical cam (2) rotates, the component on the vertical wire feeding trough C directions provides the wire feeding trough C
With the normal pressure of the silk material (4), silk material (4) is set to be moved with cylindrical cam (2).
10. method according to claim 8, it is characterised in that the change of the position sinusoidally, peak and
Minimum point is respectively the highest and minimum point of the wire feeding trough C of the cylindrical cam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710071715.XA CN106738928A (en) | 2017-02-09 | 2017-02-09 | A kind of cylinder cam-type fusion sediment type 3D printing feed device and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710071715.XA CN106738928A (en) | 2017-02-09 | 2017-02-09 | A kind of cylinder cam-type fusion sediment type 3D printing feed device and its method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106738928A true CN106738928A (en) | 2017-05-31 |
Family
ID=58955781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710071715.XA Pending CN106738928A (en) | 2017-02-09 | 2017-02-09 | A kind of cylinder cam-type fusion sediment type 3D printing feed device and its method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106738928A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB570794A (en) * | 1944-02-29 | 1945-07-23 | Scragg & Sons | Improvements in and relating to yarn feeding mechanism in ring doubling and like frames |
| US20090274540A1 (en) * | 2008-04-30 | 2009-11-05 | Stratasys, Inc. | Filament drive mechanism for use in extrusion-based digital manufacturing systems |
| US20100096485A1 (en) * | 2008-10-22 | 2010-04-22 | Stratasys, Inc. | Filament guide mechanism for filament spool container |
| US20140202129A1 (en) * | 2011-06-16 | 2014-07-24 | Donald Lynn Hoover | Overfeed roller assembly, textile machine, and method of adjusting tension in a running yarn |
| CN203818584U (en) * | 2014-04-09 | 2014-09-10 | 张勇 | Third-dimensional (3D) printer feeding mechanism |
| CN104552940A (en) * | 2013-10-27 | 2015-04-29 | 西安中科麦特电子技术设备有限公司 | Material output device of 3D color printer |
| CN204309265U (en) * | 2014-09-16 | 2015-05-06 | 王奉瑾 | Printing head of 3D printer |
| CN104669613A (en) * | 2013-11-26 | 2015-06-03 | 西安中科麦特电子技术设备有限公司 | Portable 3D printer |
| CN204955419U (en) * | 2015-05-13 | 2016-01-13 | 西安朵图电子科技有限公司 | Material feeding device for 3D printer |
| CN205310845U (en) * | 2016-01-14 | 2016-06-15 | 河南筑诚电子科技有限公司 | 3D printer with feed mechanism |
| CN206579140U (en) * | 2017-02-09 | 2017-10-24 | 北京卫星制造厂 | A kind of cylinder cam-type fusion sediment type 3D printing feed device |
-
2017
- 2017-02-09 CN CN201710071715.XA patent/CN106738928A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB570794A (en) * | 1944-02-29 | 1945-07-23 | Scragg & Sons | Improvements in and relating to yarn feeding mechanism in ring doubling and like frames |
| US20090274540A1 (en) * | 2008-04-30 | 2009-11-05 | Stratasys, Inc. | Filament drive mechanism for use in extrusion-based digital manufacturing systems |
| US20100096485A1 (en) * | 2008-10-22 | 2010-04-22 | Stratasys, Inc. | Filament guide mechanism for filament spool container |
| US20140202129A1 (en) * | 2011-06-16 | 2014-07-24 | Donald Lynn Hoover | Overfeed roller assembly, textile machine, and method of adjusting tension in a running yarn |
| CN104552940A (en) * | 2013-10-27 | 2015-04-29 | 西安中科麦特电子技术设备有限公司 | Material output device of 3D color printer |
| CN104669613A (en) * | 2013-11-26 | 2015-06-03 | 西安中科麦特电子技术设备有限公司 | Portable 3D printer |
| CN203818584U (en) * | 2014-04-09 | 2014-09-10 | 张勇 | Third-dimensional (3D) printer feeding mechanism |
| CN204309265U (en) * | 2014-09-16 | 2015-05-06 | 王奉瑾 | Printing head of 3D printer |
| CN204955419U (en) * | 2015-05-13 | 2016-01-13 | 西安朵图电子科技有限公司 | Material feeding device for 3D printer |
| CN205310845U (en) * | 2016-01-14 | 2016-06-15 | 河南筑诚电子科技有限公司 | 3D printer with feed mechanism |
| CN206579140U (en) * | 2017-02-09 | 2017-10-24 | 北京卫星制造厂 | A kind of cylinder cam-type fusion sediment type 3D printing feed device |
Non-Patent Citations (1)
| Title |
|---|
| 东志金, 内蒙古人民出版社 * |
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