CN207256898U - A kind of 3D printer feeding structure - Google Patents
A kind of 3D printer feeding structure Download PDFInfo
- Publication number
- CN207256898U CN207256898U CN201720730492.9U CN201720730492U CN207256898U CN 207256898 U CN207256898 U CN 207256898U CN 201720730492 U CN201720730492 U CN 201720730492U CN 207256898 U CN207256898 U CN 207256898U
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- CN
- China
- Prior art keywords
- constant
- feeding
- speed
- roller
- printer
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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.)
- Expired - Fee Related
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Rotary Presses (AREA)
Abstract
A kind of 3D printer feeding structure, realizes the technical problem of constant-speed feeding.The scheme of use is：Feeding structure：Including：A pair of of the friction feeding roller being correspondingly arranged, the feeding structure further include constant-speed feeding part.Feed section includes：Stent, travelling gear, constant-speed feeding set, travelling gear and constant-speed feeding set are formed with stent and are rotatably flexibly connected, constant-speed feeding set it is cylindrical be with travelling gear meshed gears, the constant-speed feeding set inner circle on is provided with spiral teeth, constant-speed feeding set is connected through travelling gear with motor.Beneficial effect is：It is simple in structure, ensure that feeding speed is constant, be greatly improved the print quality of 3D printer.
Description
Technical field
A kind of 3D printer feeding structure is the utility model is related to, 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.
The content of the invention
To solve the technical deficiency of unstable or feeding speed the change of feeding speed in the prior art, the utility model
The technical problem that a kind of 3D printer feeding structure realizes constant-speed feeding is disclosed.
The utility model solves the technical solution that technical problem uses：A kind of 3D printer feeding structure：Including：It is corresponding
A pair of of friction feeding roller of setting, the feeding structure further include constant-speed feeding part, and the constant-speed feeding part is sent with friction
Material roller is set gradually along printing material direction of advance.
Constant-speed feeding part described in embodiment 1. includes：Stent, travelling gear, constant-speed feeding set, the driving cog
Wheel and constant-speed feeding set are formed with stent and are rotatably flexibly connected, and cylindrical constant-speed feeding set is to be engaged with travelling gear
Gear, the constant-speed feeding set inner circle on is provided with spiral teeth, constant-speed feeding set is connected through travelling gear with motor.
Constant-speed feeding part described in embodiment 2. includes：Symmetrically arranged a pair of constant-speed feeding roller, the 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 equipped 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 utility model are：It is simple in structure, ensure that feeding speed is constant, be greatly improved 3D printer
Print quality.
The utility model is described in detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Attached drawing 1 is 1 structure diagram of the utility model embodiment.
Attached drawing 2 is 2 structure diagram of the utility model embodiment.
Attached drawing 3 is attached Fig. 2A direction views.
Attached drawing 4 is 3 structure diagram of the utility model embodiment.
In attached drawing, 1 friction feeding roller, 2 printing materials, 3-1 stents, 3-2 travelling gears, 3-3 constant-speed feedings set, 3-4 gears,
The spiral teeth of 3-3.1,4 constant-speed feeding rollers, 4-1 annular grooves, 4-2 feedings tooth, 5 constant speed thread rollers.
Embodiment
Referring to attached drawing, a kind of 3D printer feeding structure：Including：A pair of of the friction feeding roller being correspondingly arranged, the feeding knot
Structure further includes constant-speed feeding part, and the constant-speed feeding part is set successively with friction feeding roller 1 along 2 direction of advance of printing material
Put.
When feeding works, friction feeding roller 1 and the feeding at the same time of constant-speed feeding part, ensure friction feeding roller 1 and printing material 2
When frictional resistance changes, feeding speed is constant.
In the utility model embodiment 1, the constant-speed feeding part includes：Stent 3-1, travelling gear 3-2, constant speed are sent
Material set 3-3, the travelling gear 3-2 and constant-speed feeding set 3-3 are formed with stent 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, the constant-speed feeding set 3-3 inner circles on is provided with
Spiral teeth 3-3.1, constant-speed feeding set 3-3 are connected through travelling gear 3-2 with motor.
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 the rotation of constant-speed feeding set 3-3 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 the rotation of 3-3 and the rotation for the feeding roller 1 that rubs keeps constant fast ratio, the constant speed is sent
Material set 3-3 forms constant speed through travelling gear 3-2 and motor with friction feeding roller 1 and is sequentially connected.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 utility model embodiment 2, the constant-speed feeding part includes：Symmetrically arranged a pair of constant-speed feeding roller 4,
Annular groove 4-1 corresponding with 2 diameter of printing material is provided with 4 excircle of constant-speed feeding roller, is set on annular groove 4-1
It is equipped with the feeding teeth 4-2 parallel with 4 axis of constant-speed feeding roller.
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 fast ratio, the constant-speed feeding
Roller 4 forms constant speed with motor with friction feeding roller 1 and is sequentially connected.Constant-speed feeding roller 4 and friction feeding roller 1 are formed with motor to be closed
Transmission chain structure.
In the utility model embodiment 3, the constant-speed feeding part includes：Symmetrically arranged one group of constant speed thread roller 5,
Thread roller 5 is cylindrical to be equipped 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 constant speed screw thread
Roller 5 is uniformly arranged along the circumferencial direction of printing material 2.
When feeding works, the cylindrical screw thread teeth 5-1 that is equipped with of constant speed thread roller 5 is engaged with the formation of 2 surface of printing material, 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 fast ratio, the constant speed screw thread
Roller 5 forms constant speed with motor with friction feeding roller 1 and is sequentially connected.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 of the friction feeding roller being correspondingly arranged, it is characterised in that：The feeding knot Structure further includes constant-speed feeding part, the 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：The constant-speed feeding part bag Include：Stent（3-1）, travelling gear（3-2）, constant-speed feeding set（3-3）, the travelling gear（3-2）With constant-speed feeding set（3- 3）With stent（3-1）Form rotatable flexible connection, the constant-speed feeding set（3-3）It is cylindrical to be and travelling gear（3-2） Meshed gears（3-4）, the 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）It is connected with motor.
- A kind of 3. 3D printer feeding structure according to claim 2, it is characterised in that：The constant-speed feeding set（3- 3）With the feeding roller that rubs（1）Through travelling gear（3-2）Constant speed is formed with motor to be sequentially connected.
- A kind of 4. 3D printer feeding structure according to claim 1, it is characterised in that：The constant-speed feeding part bag Include：Symmetrically arranged a pair of constant-speed feeding roller（4）, the constant-speed feeding roller（4）It is provided with excircle and printing material（2）Directly The corresponding annular groove in footpath（4-1）, annular groove（4-1）On be provided with and constant-speed feeding roller（4）The parallel feeding teeth of axis （4-2）.
- A kind of 5. 3D printer feeding structure according to claim 4, it is characterised in that：The constant-speed feeding roller（4） With the feeding roller that rubs（1）Constant speed is formed with motor to be sequentially connected.
- A kind of 6. 3D printer feeding structure according to claim 1, it is characterised in that：The 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 equipped 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：The constant speed thread roller（5） With the feeding roller that rubs（1）Constant speed is formed with motor to be sequentially connected.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017202194829 | 2017-03-08 | ||
| CN201720219482 | 2017-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207256898U true CN207256898U (en) | 2018-04-20 |
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 After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710479350.4A Pending CN107457991A (en) | 2017-03-08 | 2017-06-22 | A kind of 3D printer feeding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN207256898U (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 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3014519A (en) * | 1959-05-25 | 1961-12-26 | L & B Welding Equipment Inc | Drive assembly |
| JPS61226177A (en) * | 1985-03-29 | 1986-10-08 | Mitsubishi Electric Corp | Feeding device for welding wire |
| US7896209B2 (en) * | 2008-04-30 | 2011-03-01 | 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
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107457991A (en) | 2017-12-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180420 Termination date: 20190622 |