CN107984762A - A kind of 3D printer feed mechanism - Google Patents
A kind of 3D printer feed mechanism Download PDFInfo
- Publication number
- CN107984762A CN107984762A CN201711262597.7A CN201711262597A CN107984762A CN 107984762 A CN107984762 A CN 107984762A CN 201711262597 A CN201711262597 A CN 201711262597A CN 107984762 A CN107984762 A CN 107984762A
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- China
- Prior art keywords
- bolt
- extrusion
- gear
- fixed block
- feed mechanism
- 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
- 238000001125 extrusion Methods 0.000 claims abstract description 61
- 238000010079 rubber tapping Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 2
- 239000000463 material Substances 0.000 abstract description 27
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004806 packaging method and process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000008602 contraction Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
Abstract
The invention discloses a kind of 3D printer feed mechanism, including extruding base, the extrusion base lower part is connected with motor, the motor top is equipped with shaft, the top of the shaft is fixedly connected with gear, the gear is in extrusion base, the extrusion chassis interior is equipped with feeding passage, the extrusion base lower part is equipped with sliding slot and sliding block, the top of the sliding block is equipped with U-shaped wheel and the first bolt, the U-shaped wheel is rotatablely connected with the first bolt, and the sliding block is connected with the first bolt thread, and the outside of second bolt is equipped with spring.The beneficial effects of the present invention are：It can automatically adjust the distance between U-shaped wheel and gear at conversion materials, ensure that printed material is not easy to be broken off, it is simple in structure and stable, improve the work efficiency of 3D printer.
Description
Technical field
The present invention relates to 3D printing technique field, is specifically a kind of 3D printer feed mechanism.
Background technology
3D printing merges filler, by controlling printhead as a kind of new forming technique using the printhead of heating
The filler of molten is stacked on to the position of formulation, so that 3D model conversations can be scientific research institution, learn into entity workpiece
School, family provide non-standard, in the market without workpiece, provide huge facility for our life.
The feed mechanism of current most 3D printer is all to be extruded printed material using gear and U-shaped wheel, more
During conversion materials, it is easy to cause material and fractures, and whole process is time-consuming and laborious.
Although there is part feed mechanism to automatically adjust the distance between U-shaped wheel and gear, structure is too complicated, leads
Structural instability is caused, is unfavorable for long-time service.
The content of the invention
It is an object of the invention to provide a kind of 3D printer feed mechanism, in conversion materials, automatically adjusts U-shaped wheel and tooth
The distance between wheel, it is simple in structure and stable, improve the work efficiency of 3D printer.
The present invention to achieve the above object, is achieved through the following technical solutions：
A kind of 3D printer feed mechanism, including extrusion base, the extrusion base lower part are connected with motor, the motor
Top is equipped with shaft, and the top of the shaft is fixedly connected with gear, and the gear is in extrusion base, the extrusion base
Feeding passage is internally provided with, the feeding passage is corresponding with the top of gear, and the feeding passage includes feeding-passage and goes out
Expect passage, the extrusion base lower part is equipped with cavity and fixed block, and the fixed block is located in cavity, the top of the fixed block
Equipped with U-shaped wheel and the first bolt, the center of the U-shaped wheel is equipped with bearing, and the U-shaped wheel is turned by bearing and the first bolt
Dynamic connection, the fixed block are connected with the first bolt thread, and the U-shaped wheel is used in combination with gear, is set in the fixed block
There is the second bolt, the outside of second bolt is equipped with spring, and one end of second bolt is connected with extrusion whorl of base.
The lower part of the extrusion base is wider 5-8cm than the top of motor.
First bolt and the second bolt are eel-like figure bolt.
Boss is equipped with the extrusion engine base, the boss is contacted with gear bottom.
Groove is equipped with the boss, the groove is engaged with shaft.
The spring is located between the second threaded screw fasteners head and extrusion base.
Backing plate is equipped with the top of the motor, the backing plate is located between motor and extrusion base.
The prior art is contrasted, the beneficial effects of the present invention are：
1st, the U-shaped wheel and gear of connection are used in combination above fixed block, can be steady by the material entered from feeding passage
Fixed transfers out extrusion base, and fixed block is slidably reciprocated along the second bolt by the elastic force effect of spring, more
During conversion materials, when material is sent into extrusion mechanism, fixed block can be moved according to the thickness of the material of entrance, so as to fulfill
The distance between U-shaped wheel and gear are automatically adjusted, ensure that efficiency of reloading.
2nd, the lower part of the extrusion base is wider 5-8cm than the top of motor, can either ensure that motor sufficiently radiates, and energy
Enough convenient cablings below motor, make whole mechanism more regular, avoid wiring from easily being destroyed, ensure that whole feeder
The stability of structure.
3rd, first bolt and the second bolt are eel-like figure bolt, facilitate U-shaped wheel and the installation of the first bolt, keep away at the same time
Exempt from the contraction that the screw thread on the second bolt hinders spring, improve the packaging efficiency and stability of feed mechanism.
4th, boss is equipped with the extrusion engine base, the boss is contacted with gear bottom, and the boss can play gear
To position-limiting action, packaging efficiency is improved.
5th, is equipped with groove in the boss, the groove is engaged with shaft, the groove can countershaft play it is spacing
Effect, further increases packaging efficiency.
6th, the spring is located between the second threaded screw fasteners head and extrusion base, can prevent that spring is right in contraction process
Fixed block causes to deviate, and avoids material from deviateing original access lane, ensure that material is not easy to be broken off.
7th, backing plate is equipped with the top of the motor, the backing plate is located between motor and extrusion base, can prevent in structure
During assembling, because exert oneself it is excessive and caused by motor damage, ensure that the stability of structure, improve device assembling effect
Rate.
Brief description of the drawings
Attached drawing 1 is schematic front view of the present invention.
Attached drawing 2 is the main view schematic cross-sectional view of the present invention.
Attached drawing 3 is the extrusion base schematic top plan view of the present invention.
Attached drawing 4 is A-A directions schematic cross-sectional view in attached drawing 3.
Attached drawing 5 is B-B directions schematic cross-sectional view in attached drawing 3.
Attached drawing 6 is the extrusion base schematic front view of the present invention.
Attached drawing 7 is fixed block schematic front view of the present invention.
Attached drawing 8 is fixed block schematic top plan view of the present invention.
Label shown in attached drawing：
1st, base is extruded；2nd, motor；3rd, shaft；4th, gear；5th, feeding passage；6th, cavity；7th, fixed block；8th, U-shaped wheel；9、
First bolt；10th, bearing；11st, the second bolt；12nd, spring；13rd, boss；14th, groove；15th, feeding-passage；16th, tapping channel；
17th, backing plate；18th, first through hole；19th, the second through hole.
Embodiment
As shown in Fig. 1 to Fig. 8 with reference to specific embodiment, the present invention is further explained.It is to be understood that these embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.In addition, it should also be understood that, read the content of the invention lectured it
Afterwards, those skilled in the art can make various modifications or changes to the present invention, and such equivalent forms equally fall within the application and limited
Fixed scope.
Of the present invention is a kind of 3D printer feed mechanism, including extrusion base 1, and the base is cuboid, for
The specific size requirement of external structure is little, can just be processed external structure using machining center, than whole in the past
Component saves great amount of cost using linear cutter, and 1 lower part of the extrusion base is fixedly connected with motor 2, and the motor 2 is used
In the operation for driving feed mechanism, 2 top of motor is equipped with shaft 3, and the top of the shaft 3 is fixedly connected with gear 4, institute
Gear 4 is stated in extrusion base 1, one section of opening, the gear 4 and U-shaped wheel 8 are left between the extrusion base 1 and gear 4
It is used in combination by opening, realizes the conveying of material, the extrusion base 1 is internally provided with feeding passage 5, the extrusion base
Feeding passage is internally provided with, the feeding passage 5 is corresponding with the top of gear 4, the outer rim of the feeding passage 5 and gear 4
It is perpendicular, it can ensure that material can be contacted smoothly with gear 4, ensure that effective operation of structure, the feeding passage 5 wraps
Feeding-passage 15 and tapping channel 16 are included, the feeding-passage 15 is entered in extrusion base 1 for printed material, the discharging
Passage 16 is expressed into outside extrusion seat 1 for printed material, and 1 lower part of the extrusion base is equipped with cavity 6 and fixed block 7, described
Fixed block 7 is located in cavity 6, and the top surface of the fixed block 7 is equipped with first through hole 18, and the top of the fixed block 7 is equipped with U-shaped
8 and first bolt 9 of wheel, the center of the U-shaped wheel 8 are equipped with bearing 10, and the U-shaped wheel 8 passes through 10 and first bolt 9 of bearing
Rotation connection, the fixed block 7 is threadedly coupled with the first bolt 9, equipped between small between the U-shaped wheel 8 and fixed block 7
Gap, avoids the presence of friction between U-shaped wheel 8 and fixed block 7, the U-shaped wheel 8 and 7 upper and lower end face of fixed block are short as far as possible, described
The side of fixed block 7 is equipped with the second through hole 19, and second through hole 19 is two, and the second bolt is equipped with the fixed block 7
11, second bolt 11 through the second through hole 19 with extrude base 1 be threadedly coupled, second bolt 11 and fixed block 7 it
Between there are certain gap, can ensure that fixed block 7 slidably reciprocates along the second bolt 11 in cavity 6, second bolt
11 outside is equipped with spring 12, and the spring 12 can limit movement of the fixed block 7 in cavity 6, avoid running in mechanism
Cheng Zhong, fixed block 7 arbitrarily slide and cause printing material requested to be conveyed out, meanwhile, in more conversion materials, by material
After being sent into out of feeding passage 5, between gear 4 and U-shaped wheel 8, when material is thicker, it will make to enter gear 4 and U-shaped wheel
The distance between 8 increases, fixed block 7 slide outward, and the elastic force effect of spring 12 makes fixed block 7 reach a kind of stable state, makes
Gear 4 and U-shaped wheel the distance between 8 are adapted to the diameter of printing material requested, so when replacing the material of different-diameter size,
Without U-shaped wheel 8 is unloaded, gear 4 and U-shaped wheel the distance between 8 can realize automatic adjustment, improve the effect of more conversion materials
Rate, and whole feeding structure component is relatively simple, reduces failure rate, ensure that the print speed of 3D printer.
In order to ensure the stability of feed mechanism, the lower part of the extrusion base 1 is wider 5-8cm than the top of motor 2, makes
Motor 2 is unlikely to abut other components, can ensure that motor 2 can sufficiently radiate, simultaneous gap can be by some
Unnecessary wiring is wound on the outer wall of motor 2, is made whole mechanism more regular, is avoided wiring from easily being destroyed, ensure that
The stability of whole feed mechanism.
In order to improve the packaging efficiency of feed mechanism and stability, 9 and second bolt 11 of the first bolt is eel-like figure spiral shell
Bolt, the lower part of the first bolt 9 are threadedly coupled with fixed block 7, and top is fixedly connected with bearing 10, in assembling, are not had threaded
One end can be combined together with what bearing 10 was more stablized, the installation of U-shaped 8 and first bolt 9 of wheel be facilitated, when the second bolt
When spring 12 on 11 is shunk, the second bolt 11 can be avoided to hinder the contraction of spring 12.
In order to improve the packaging efficiency of mechanism, boss 13, the boss 13 and 4 bottom of gear are equipped with the extrusion engine base
Contact, the boss 13 can play position-limiting action to gear 4, after the top of boss 13 to be stuck in the lower part of gear 4, gear 4
Position-limiting action has been moved up and down to boss 13, both quick assemblings can have been realized, improve packaging efficiency.
In order to further improve the packaging efficiency of mechanism, groove 14, the groove 14 and shaft are equipped with the boss 13
3 are engaged, and the side progress that groove 14 is capable of countershaft 3 is spacing, therefore in assembling, groove 14 is abutted against one with shaft 3
Rise, then installation bolt, it can realize quick assembling.
In order to ensure that printed material is not easy to be broken off, the spring 12 is located at 11 bolt head of the second bolt and extrusion base 1
Between, avoid causes fixed block 7 to be deviated along the vertical direction of the second bolt 11 because being shunk spring 12, ensure that U
Type wheel 8 is not in offset, during printed material is conveyed, gear 4 can be made to be in face state all the time with U-shaped wheel 8,
Ensure that printed material is not in offset, so that printed material is not easy to be broken off, ensure that the stability of print procedure.
Phenomenon is damaged in order to avoid motor 2 occurs in assembling process, the top of motor 2 is equipped with backing plate 17, the backing plate 17
Between motor 2 and extrusion base 1, motor 2 and the realization of the distance between extrusion base 1 can be finely tuned, can prevented
Structure assemble during, because exert oneself it is excessive and caused by motor 2 damage, while can also realize motor 2 with extrusion base 1 can
Combine closely, ensure that the stability of structure, improve the packaging efficiency of device.
Embodiment：
Of the present invention is a kind of 3D printer feed mechanism, including extrusion base 1, and the base is cuboid, described
1 lower part of extrusion base is connected with motor 2, and the top of motor 2 is equipped with backing plate 17, and the backing plate 17 is located at motor 2 and extrusion bottom
Between seat 1, the lower part of the extrusion base 1 is wider 6cm than the top of motor 2, the backing plate 17 and the size one at the top of motor 2
Sample, the motor 2, backing plate 17 align with extruding three sides of base 1, and 2 top of motor is equipped with shaft 3, the shaft 3
Top be fixedly connected with gear 4, the gear 4 is equipped with boss 13 in extrusion base 1 in the extrusion engine base, described
Boss 13 is contacted with 4 bottom of gear, and groove 14 is equipped with the boss 13, and the groove 14 is engaged with shaft 3, described to squeeze
Go out between base 1 and gear 4 to leave one section of opening, the gear 4 is used in combination with U-shaped wheel 8 by opening, the extrusion bottom
Seat 1 is internally provided with feeding passage 5, and the feeding passage 5 includes feeding-passage 15 and tapping channel 16, the feeding passage 5 and
The top of gear 4 is corresponding, and the outer rim of the feeding passage 5 and gear 4 is perpendicular, and 1 lower part of the extrusion base is equipped with cavity 6
With fixed block 7, the fixed block 7 is located in cavity 6, and the top surface of the fixed block 7 is equipped with first through hole 18, the fixed block 7
Top be equipped with U-shaped wheel 8 and first bolt 9, the center of the U-shaped wheel 8 is equipped with bearing 10, described U-shaped to take turns 8 and pass through bearing
10 are rotatablely connected with the first bolt 9, and the bearing 10 is threadedly coupled with the first bolt 9, are set between the U-shaped wheel 8 and fixed block 7
There is small gap, the side of the fixed block 7 is equipped with the second through hole 19, and second through hole 19 is two, the fixation
The second bolt 11 is equipped with block 7, second bolt 11 is threadedly coupled through the second through hole 19 with extrusion base 1, and described second
There are certain gap between bolt 11 and fixed block 7,9 and second bolt 11 of the first bolt is eel-like figure spiral shell, described in bolt
The outside of second bolt 11 is equipped with spring 12, and the spring 12 is located between 11 bolt head of the second bolt and extrusion base 1.
Assemble method：Bearing 10 8 is fixed together with U-shaped wheel, then bearing 10 and the first bolt 9 are assembled, by the
The outer cover of two bolts 11 loads onto spring 12, and the second bolt 11 is inserted into the second through hole 19, by the second bolt 11 and extrusion bottom
Seat 1 is threadedly coupled, and is then connected from the top of extrusion base 1 by the second bolt 11 with extrusion base 1 with 7 screw thread of fixed block
Connect, extrusion base 1 is then stuck in 3 side of shaft, rotate extrusion base 1, then fixing bolt is installed.
Claims (7)
- A kind of 1. 3D printer feed mechanism, it is characterised in that：Including extruding base, the extrusion base lower part is connected with electricity Machine, the motor top are equipped with shaft, and the top of the shaft is fixedly connected with gear, and the gear is located in extrusion base, The extrusion chassis interior is equipped with feeding passage, and the feeding passage is corresponding with the top of gear, and the feeding passage includes Feeding-passage and tapping channel, the extrusion base lower part are equipped with cavity and fixed block, and the fixed block is located in cavity, described The top of fixed block is equipped with U-shaped wheel and the first bolt, and the center of the U-shaped wheel is equipped with bearing, and the U-shaped wheel passes through bearing It is rotatablely connected with the first bolt, the fixed block is connected with the first bolt thread, and the U-shaped wheel is used in combination with gear, institute State and the second bolt is equipped with fixed block, the outside of second bolt is equipped with spring, one end and the extrusion bottom of second bolt Seat is threadedly coupled.
- A kind of 2. 3D printer feed mechanism according to claim 1, it is characterised in that：The lower part of the extrusion base is than electricity The wide 5-8cm in top of machine.
- A kind of 3. 3D printer feed mechanism according to claim 1, it is characterised in that：First bolt and the second bolt For eel-like figure bolt.
- A kind of 4. 3D printer feed mechanism according to claim 1, it is characterised in that：It is equipped with the extrusion engine base convex Platform, the boss are contacted with gear bottom.
- A kind of 5. 3D printer feed mechanism according to claim 4, it is characterised in that：Groove, institute are equipped with the boss Groove is stated to be engaged with shaft.
- A kind of 6. 3D printer feed mechanism according to claim 1, it is characterised in that：The spring is located at the second bolt spiral shell Between bolt head and extrusion base.
- A kind of 7. 3D printer feed mechanism according to claim 1, it is characterised in that：Backing plate is equipped with the top of the motor, The backing plate is located between motor and extrusion base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711262597.7A CN107984762A (en) | 2017-12-04 | 2017-12-04 | A kind of 3D printer feed mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711262597.7A CN107984762A (en) | 2017-12-04 | 2017-12-04 | A kind of 3D printer feed mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107984762A true CN107984762A (en) | 2018-05-04 |
Family
ID=62035447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711262597.7A Pending CN107984762A (en) | 2017-12-04 | 2017-12-04 | A kind of 3D printer feed mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107984762A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203391320U (en) * | 2013-07-31 | 2014-01-15 | 珠海西通电子有限公司 | Extruding and feeding device |
| CN104608390A (en) * | 2015-02-28 | 2015-05-13 | 济南大学 | Material feeding mechanism for 3D printer |
| CN204773620U (en) * | 2015-07-03 | 2015-11-18 | 广州市阳铭新材料科技有限公司 | Dual spray 3D printer |
| CN205086366U (en) * | 2015-11-07 | 2016-03-16 | 深圳市汇丰创新技术有限公司 | 3D printer feeding mechanism and printer |
| CN106976237A (en) * | 2017-05-31 | 2017-07-25 | 深圳市三维启科技有限公司 | A kind of three-dimensional printer |
| CN207579116U (en) * | 2017-12-04 | 2018-07-06 | 济南大学 | A kind of 3D printer feed mechanism |
-
2017
- 2017-12-04 CN CN201711262597.7A patent/CN107984762A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203391320U (en) * | 2013-07-31 | 2014-01-15 | 珠海西通电子有限公司 | Extruding and feeding device |
| CN104608390A (en) * | 2015-02-28 | 2015-05-13 | 济南大学 | Material feeding mechanism for 3D printer |
| CN204773620U (en) * | 2015-07-03 | 2015-11-18 | 广州市阳铭新材料科技有限公司 | Dual spray 3D printer |
| CN205086366U (en) * | 2015-11-07 | 2016-03-16 | 深圳市汇丰创新技术有限公司 | 3D printer feeding mechanism and printer |
| CN106976237A (en) * | 2017-05-31 | 2017-07-25 | 深圳市三维启科技有限公司 | A kind of three-dimensional printer |
| CN207579116U (en) * | 2017-12-04 | 2018-07-06 | 济南大学 | A kind of 3D printer feed mechanism |
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