CN107457991A - A kind of 3D printer feeding structure - Google Patents
A kind of 3D printer feeding structure Download PDFInfo
- Publication number
- CN107457991A CN107457991A CN201710479350.4A CN201710479350A CN107457991A CN 107457991 A CN107457991 A CN 107457991A CN 201710479350 A CN201710479350 A CN 201710479350A CN 107457991 A CN107457991 A CN 107457991A
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- China
- Prior art keywords
- feeding
- constant
- speed
- roller
- travelling gear
- 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
- 230000035611 feeding Effects 0.000 claims description 117
- 238000007639 printing Methods 0.000 claims description 27
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007493 shaping process Methods 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Rotary Presses (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
Abstract
A kind of 3D printer feeding structure, realize the technical problem of constant-speed feeding.The scheme of use is：Feeding structure：Including：A pair of friction feeding rollers being correspondingly arranged, the feeding structure also include constant-speed feeding part.Feed section includes：Support, travelling gear, constant-speed feeding set, travelling gear and constant-speed feeding set are formed with support and are rotatably flexibly connected, constant-speed feeding set it is cylindrical be with travelling gear meshed gears, described constant-speed feeding set inner circle on is provided with spiral teeth, constant-speed feeding set is through travelling gear and motor connection.Beneficial effect is：It is simple in construction, ensure that feeding speed is constant, be greatly improved the print quality of three D printers.
Description
Technical field
The present invention relates to a kind of 3D printer feeding structure, particularly a kind of 3D printer constant-speed feeding structure.
Background technology
3D printer feeding is the key of printing shaping quality, and 3D printer feeding is using friction pulley in the prior art
Extruding, rub and realize the advance feeding of printing material with rotations of friction pulley, due in printing material reflow process, due to temperature change
Change（Such as beginning, middle, end）The charging resistance of printing material is different, causes the unstable or feeding of prior art feeding speed fast
The change of degree, too fast feeding speed cause unnecessary printing material to be accumulated on product, and excessively slow feeding speed causes shortcoming
Printing material forms depression on product, how to ensure constant of the 3D printer feeding speed for design, is to solve print quality
Key problem in technology.
Goal of the invention
To solve the technical deficiency of unstable or feeding speed the change of feeding speed in the prior art, the present invention discloses one kind
3D printer feeding structure realizes the technical problem of constant-speed feeding.
The present invention solves the technical scheme that technical problem uses：A kind of 3D printer feeding structure：Including：It is correspondingly arranged
A pair of friction feeding rollers, the feeding structure also includes constant-speed feeding part, described constant-speed feeding part and the feeding roller that rubs
Set gradually along printing material direction of advance.
Constant-speed feeding part described in embodiment 1. includes：Support, travelling gear, constant-speed feeding set, described driving cog
Wheel and constant-speed feeding set are formed with support and are rotatably flexibly connected, and cylindrical described constant-speed feeding set is to be engaged with travelling gear
Gear, described constant-speed feeding set inner circle on is provided with spiral teeth, constant-speed feeding set is through travelling gear and motor connection.
Constant-speed feeding part described in embodiment 2. includes：Symmetrically arranged a pair of constant-speed feedings roller, described constant speed are sent
Annular groove corresponding with printing material diameter is provided with material roller excircle, is provided with annular groove and constant-speed feeding roll axis
Parallel feeding teeth.
Constant-speed feeding part described in embodiment 3. includes：Symmetrically arranged one group of constant speed thread roller, one group of constant speed screw thread
Roller is coaxially set with printing material, and thread roller is cylindrical to be provided with screw thread teeth, circumference side of one group of constant speed thread roller along printing material
To being uniformly arranged.
The beneficial effects of the invention are as follows：It is simple in construction, ensure that feeding speed is constant, be greatly improved beating for three D printers
Print quality.
The present invention will be described in detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is attached Figure 1A direction views.
Fig. 3 is the structural representation of the embodiment of the present invention 2.
Fig. 4 is the structural representation of the embodiment of the present invention 3.
In figure, 1 friction feeding roller, 2 printing materials, 3-1 supports, 3-2 travelling gears, 3-3 constant-speed feedings set, 3-4 gears, 3-
3.1 spiral teeth, 4 constant-speed feeding rollers, 4-1 annular grooves, 4-2 feedings tooth, 5 constant speed thread rollers.
Embodiment
Referring to accompanying drawing, a kind of 3D printer feeding structure：Including：A pair of friction feeding rollers being correspondingly arranged, the feeding knot
Structure also includes constant-speed feeding part, and described constant-speed feeding part is set successively with friction feeding roller 1 along the direction of advance of printing material 2
Put.
When feeding works, friction feeding roller 1 and the feeding simultaneously of constant-speed feeding part, ensure friction feeding roller 1 and printing material 2
When frictional resistance changes, feeding speed is constant.
In the embodiment of the present invention 1, described constant-speed feeding part includes：Support 3-1, travelling gear 3-2, constant-speed feeding set
3-3, described travelling gear 3-2 and constant-speed feeding set 3-3 are formed with support 3-1 and are rotatably flexibly connected, described constant speed
Feeding set 3-3 it is cylindrical be with travelling gear 3-2 meshed gears 3-4, described constant-speed feeding set 3-3 inner circles on is provided with spiral
Teeth 3-3.1, constant-speed feeding cover 3-3 through travelling gear 3-2 and motor connection.
When feeding works, printing material 2 covers the spiral teeth 3-3.1, spiral teeth 3-3.1 of 3-3 inner circles by constant-speed feeding
Formed and be engaged with the surface of printing material 2, as travelling gear 3-2 drives constant-speed feeding set 3-3 rotation and the feeding roller 1 that rubs
Traction, spiral teeth 3-3.1 drive the movement of printing material 2 to realize constant speed feeding.
To ensure that constant-speed feeding covers 3-3 rotation and the rotation for the feeding roller 1 that rubs keeps constant velocity-ratio, described constant speed is sent
Material set 3-3 forms constant speed drive connection with friction feeding roller 1 through travelling gear 3-2 and motor.Constant-speed feeding set 3-3, friction are sent
Expect that roller 1, travelling gear 3-2 form the transmission chain structure of closing with motor.
In the embodiment of the present invention 2, described constant-speed feeding part includes：Symmetrically arranged a pair of constant-speed feedings roller 4, it is described
The excircle of constant-speed feeding roller 4 on be provided with annular groove 4-1 corresponding with the diameter of printing material 2, be provided with annular groove 4-1
With the feeding teeth 4-2 of the diameter parallel of constant-speed feeding roller 4.
When feeding works, the feeding teeth 4-2 on annular groove 4-1 is engaged with being formed with the surface of printing material 2, with fixed
The rotation of fast feeding roller 4 and the traction for the feeding roller 1 that rubs, feeding teeth 4-2 drive the movement of printing material 2 to realize constant speed feeding.
To ensure that the rotation of constant-speed feeding roller 4 and the rotation for the feeding roller 1 that rubs keep constant velocity-ratio, described constant-speed feeding
Roller 4 forms constant speed drive connection with friction feeding roller 1 and motor.Constant-speed feeding roller 4 and friction feeding roller 1 are formed with motor to be closed
Transmission chain structure.
In the embodiment of the present invention 3, described constant-speed feeding part includes：Symmetrically arranged one group of constant speed thread roller 5, screw thread
Roller 5 is cylindrical to be provided with screw thread teeth 5-1, and one group of constant speed thread roller 5 is coaxially set with printing material 2, one group of edge of constant speed thread roller 5
The circumferencial direction of printing material 2 is uniformly arranged.
When feeding works, the cylindrical screw thread teeth 5-1 that is provided with of constant speed thread roller 5 is engaged with the formation of the surface of printing material 2, with
The rotation of constant speed thread roller 5 and the traction for the feeding roller 1 that rubs, constant speed thread roller 5 drive the movement of printing material 2 to realize constant speed feeding.
To ensure that the rotation of constant speed thread roller 5 and the rotation for the feeding roller 1 that rubs keep constant velocity-ratio, described constant speed screw thread
Roller 5 forms constant speed drive connection with friction feeding roller 1 and motor.Constant speed thread roller 5 is formed with motor with friction feeding roller 1 and closed
Transmission chain structure.
Claims (7)
- A kind of 1. 3D printer feeding structure：Including：A pair of friction feeding rollers being correspondingly arranged, it is characterised in that：The feeding knot Structure also includes constant-speed feeding part, described constant-speed feeding part and friction feeding roller（1）Along printing material（2）Direction of advance is successively Set.
- A kind of 2. 3D printer feeding structure according to claim 1, it is characterised in that：Described constant-speed feeding part bag Include：Support（3-1）, travelling gear（3-2）, constant-speed feeding set（3-3）, described travelling gear（3-2）With constant-speed feeding set（3- 3）With support（3-1）Form rotatable flexible connection, described constant-speed feeding set（3-3）It is cylindrical to be and travelling gear（3-2） Meshed gears（3-4）, described constant-speed feeding set（3-3）Spiral teeth are provided with inner circle（3-3.1）, constant-speed feeding set （3-3）Through travelling gear（3-2）With motor connection.
- A kind of 3. 3D printer feeding structure according to claim 2, it is characterised in that：Described constant-speed feeding set（3- 3）With the feeding roller that rubs（1）Through travelling gear（3-2）Constant speed drive connection is formed with motor.
- A kind of 4. 3D printer feeding structure according to claim 1, it is characterised in that：Described constant-speed feeding part bag Include：Symmetrically arranged a pair of constant-speed feedings roller（4）, described constant-speed feeding roller（4）It is provided with excircle and printing material（2）Directly Annular groove corresponding to footpath（4-1）, annular groove（4-1）On be provided with and constant-speed feeding roller（4）The feeding teeth of diameter parallel （4-2）.
- A kind of 5. 3D printer feeding structure according to claim 4, it is characterised in that：Described constant-speed feeding roller（4） With the feeding roller that rubs（1）Constant speed drive connection is formed with motor.
- A kind of 6. 3D printer feeding structure according to claim 1, it is characterised in that：Described constant-speed feeding part bag Include：Symmetrically arranged one group of constant speed thread roller（5）, one group of constant speed thread roller（5）With printing material（2）It is coaxially set, thread roller （5）It is cylindrical to be provided with screw thread teeth（5-1）, one group of constant speed thread roller（5）Along printing material（2）Circumferencial direction be uniformly arranged.
- A kind of 7. 3D printer feeding structure according to claim 4, it is characterised in that：Described constant speed thread roller（5） With the feeding roller that rubs（1）Constant speed drive connection is formed with motor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720219482 | 2017-03-08 | ||
| CN2017202194829 | 2017-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107457991A true CN107457991A (en) | 2017-12-12 |
Family
ID=60544007
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720730492.9U Expired - Fee Related CN207256898U (en) | 2017-03-08 | 2017-06-22 | A kind of 3D printer feeding structure |
| CN201710479350.4A Pending CN107457991A (en) | 2017-03-08 | 2017-06-22 | A kind of 3D printer feeding structure |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720730492.9U Expired - Fee Related CN207256898U (en) | 2017-03-08 | 2017-06-22 | A kind of 3D printer feeding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN207256898U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207256898U (en) * | 2017-03-08 | 2018-04-20 | 深圳新域中科科技股份有限公司 | A kind of 3D printer feeding structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3014519A (en) * | 1959-05-25 | 1961-12-26 | L & B Welding Equipment Inc | Drive assembly |
| GB8607499D0 (en) * | 1985-03-29 | 1986-05-21 | Mitsubishi Electric Corp | Welding wire feeder |
| US20090274540A1 (en) * | 2008-04-30 | 2009-11-05 | Stratasys, Inc. | Filament drive mechanism for use in extrusion-based digital manufacturing systems |
| CN103895230A (en) * | 2014-04-01 | 2014-07-02 | 崔立慧 | Method and device for feeding 3D printer silk material |
| CN203844238U (en) * | 2014-05-21 | 2014-09-24 | 南京邮电大学 | Melting deposition type 3D (Three-Dimensional) printing machine feeding device |
| CN205631388U (en) * | 2016-02-26 | 2016-10-12 | 浙江工贸职业技术学院 | Thread feeding mechanism of 3D printer |
| CN207256898U (en) * | 2017-03-08 | 2018-04-20 | 深圳新域中科科技股份有限公司 | A kind of 3D printer feeding structure |
-
2017
- 2017-06-22 CN CN201720730492.9U patent/CN207256898U/en not_active Expired - Fee Related
- 2017-06-22 CN CN201710479350.4A patent/CN107457991A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3014519A (en) * | 1959-05-25 | 1961-12-26 | L & B Welding Equipment Inc | Drive assembly |
| GB8607499D0 (en) * | 1985-03-29 | 1986-05-21 | Mitsubishi Electric Corp | Welding wire feeder |
| US20090274540A1 (en) * | 2008-04-30 | 2009-11-05 | Stratasys, Inc. | Filament drive mechanism for use in extrusion-based digital manufacturing systems |
| CN103895230A (en) * | 2014-04-01 | 2014-07-02 | 崔立慧 | Method and device for feeding 3D printer silk material |
| CN203844238U (en) * | 2014-05-21 | 2014-09-24 | 南京邮电大学 | Melting deposition type 3D (Three-Dimensional) printing machine feeding device |
| CN205631388U (en) * | 2016-02-26 | 2016-10-12 | 浙江工贸职业技术学院 | Thread feeding mechanism of 3D printer |
| CN207256898U (en) * | 2017-03-08 | 2018-04-20 | 深圳新域中科科技股份有限公司 | A kind of 3D printer feeding structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN207256898U (en) | 2018-04-20 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171212 |