CN108908937A - Extrusion device - Google Patents
Extrusion device Download PDFInfo
- Publication number
- CN108908937A CN108908937A CN201810816445.5A CN201810816445A CN108908937A CN 108908937 A CN108908937 A CN 108908937A CN 201810816445 A CN201810816445 A CN 201810816445A CN 108908937 A CN108908937 A CN 108908937A
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- CN
- China
- Prior art keywords
- extrusion
- driven
- active
- mounting rack
- follower
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of extrusion device, including：Squeeze out driving assembly；Active extrusion, the active extrusion are arranged on the extrusion driving assembly；Squeeze out driven subassembly；Driven extrusion, the driven extrusion are arranged on the extrusion driven subassembly, and the driven extrusion matches with the active extrusion.Compared with prior art, the present invention has the following advantages that：1) it squeezes out actuator and drives the extrusion initiative part rotation, pass through the extrusion initiative part and the intermeshing for squeezing out follower, active extrusion is driven to rotate backward with driven extrusion, meanwhile the limit to raw material is squeezed out is realized by the extruding groove on active extrusion and driven extrusion surface.2) compression degree for squeezing out spring can be adjusted, and then drive driven mounting rack to rotate by the restoring force of spring, to control the dynamics being bonded between active extrusion and driven extrusion by the extrusion nut on rotary extrusion threaded rod.
Description
Technical field
The present invention relates to a kind of 3D printing technique, especially a kind of extrusion device.
Background technique
3D printing technique be also known as rapid shaping technique (Rapid Prototyping Manufacturing, abbreviation RPM) or
Increases material manufacturing technology, it is related to mechanical engineering, material engineering, digital control, reverse manufacturing, cad technique and computer skill
The subjects such as art.The basic principle of 3D printing technique is " successively print, be layering ", that is, first passes through CAD software and generate three-dimensional mould
Then type carries out hierarchy slicing to it by host computer Slice Software (such as Cura, RepetierHost, RetinaCreate etc.)
And planning path, the G-code file of generation is imported to the next machine controller, then by controller control 3D printing equipment by
Layer reproduces three-dimensional entity model.
Using 3D printing rapid shaping technique as core, there is the molding equipment of different printing principles, wherein fusion sediment
Molding (FDM) equipment is easy to use, easy to operate by its and becomes the hot spot applied instantly.Its hardware core is hot melt printing
Spray head, printed material are mostly hot-melt plastic.In print procedure, under the control of the controller, hot melt is moulded by feeding mechanism
Material pushes to printing head, then using extrusion molding after spray head high temperature melting.
Currently, forming temperature is at an early stage of development in 300 DEG C or more of high temperature FDM 3D forming technique, many ask still is faced
Topic, one of them be exactly current raw material when being squeezed out from extruder head due to external influence, it may appear that shake, skid so send out
Raw feedstock deviates the phenomenon that even spray head blocking.
Summary of the invention
For the defects in the prior art, it is an object of that present invention to provide a kind of extrusion dresses for solving above-mentioned technical problem
It sets.
In order to solve the above technical problems, the present invention provides a kind of extrusion device, including：Squeeze out driving assembly；Actively squeeze out
Part, the active extrusion are arranged on the extrusion driving assembly；Squeeze out driven subassembly；Driven extrusion, it is described driven crowded
Part is arranged on the extrusion driven subassembly out, and the driven extrusion matches with the active extrusion.
Preferably, the extrusion driving assembly includes：Squeeze out actuator；Squeeze out initiative part, the extrusion initiative part setting
On the extrusion actuator；The active extrusion is arranged on the extrusion actuator.
Preferably, the extrusion driven subassembly includes：Driven mounting rack；Squeeze out follower, the extrusion follower setting
On the driven mounting rack, the extrusion follower matches with the extrusion initiative part；The driven extrusion setting exists
On the driven mounting rack.
Preferably, gear, the extrusion initiative part are respectively equipped in the extrusion initiative part and the extrusion follower
It is intermeshed with the extrusion follower.
Preferably, the driven mounting rack is to rotate driven mounting rack.
It preferably, further include squeezing out to adjust unit, the extrusion adjusts unit and connect with the driven mounting rack.
Preferably, the extrusion adjusting unit includes：Threaded rod is squeezed out, one end setting for squeezing out threaded rod is being gone up and down
On plate；Nut is squeezed out, the other end for squeezing out threaded rod is arranged in the nut that squeezes out；Squeeze out spring, the extrusion spring
It is set in the outside for squeezing out threaded rod, the extrusion spring is between the extrusion nut and the lifter plate.
Preferably, extruding groove is equipped on the surface of the active extrusion and the driven extrusion.
Compared with prior art, the present invention has the following advantages that：
1) it squeezes out actuator and drives the extrusion initiative part rotation, pass through the extrusion initiative part and the extrusion follower
Intermeshing, drive active extrusion rotated backward with driven extrusion, meanwhile, by active extrusion and driven extrusion
The extruding groove on surface realizes the limit to raw material is squeezed out.
2) compression degree for squeezing out spring can be adjusted, and then by bullet by the extrusion nut on rotary extrusion threaded rod
The restoring force of spring drives driven mounting rack rotation, to control the dynamics being bonded between active extrusion and driven extrusion.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature mesh of the invention
And advantage will become more apparent upon.
Fig. 1 is extrusion device structural schematic diagram of the present invention.
In figure：
The driven extrusion 203- of 201- active extrusion 202- squeezes out actuator
204- squeezes out the driven mounting rack 206- of initiative part 205- and squeezes out follower
207- squeezes out threaded rod 208- and squeezes out nut 209- extrusion spring
210- extruding groove 211- extruding cavity 212- squeezes out mounting rack
102- lifter plate
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.
As shown in Figure 1, the present invention provides a kind of extrusion device, including：Squeeze out driving assembly；Active extrusion 201, actively
The setting of extrusion 201 is on squeezing out driving assembly；Squeeze out driven subassembly；Driven extrusion 202, the driven setting of extrusion 202 exist
It squeezes out on driven subassembly, driven extrusion 202 matches with active extrusion 201, in active extrusion 201 and driven extrusion
202 surface is equipped with extruding groove 210.
Squeezing out driving assembly includes：Squeeze out actuator 203；Initiative part 204 is squeezed out, the setting of initiative part 204 is squeezed out and is squeezing out
On actuator 203；The setting of active extrusion 201 is on squeezing out actuator 203.Squeezing out driven subassembly includes：Driven mounting rack
205；Follower 206 is squeezed out, follower 206 is squeezed out and is arranged on driven mounting rack 205, follower 206 is squeezed out and squeezes out actively
Portion 204 matches.Squeezing out initiative part 204 and squeezing out follower 206 is gear, states extrusion initiative part 204 and squeezes out follower 206
Intermeshing.Extruding cavity 211 is mounted on by squeezing out mounting rack 212 and is squeezed out on actuator 203, active extrusion 201 and driven
The position of extrusion 202 is located at 211 lower section of extruding cavity.
It squeezes out the driving of actuator 203 and squeezes out the rotation of initiative part 204, by squeezing out initiative part 204 and squeezing out follower 206
Intermeshing, drive active extrusion 201 rotated backward with driven extrusion 202, meanwhile, by active extrusion 201 and from
The extruding groove 210 on dynamic 202 surface of extrusion realizes the limit to raw material is squeezed out.
Extrusion is also mounted on lifter plate 102 and adjusts unit, squeezes out adjusting unit and is connect with driven mounting rack 205.
Squeezing out adjusting unit includes：Threaded rod 207 is squeezed out, the one end for squeezing out threaded rod 207 is arranged on lifter plate 102,
It squeezes out nut 208 and the other end for squeezing out threaded rod 207 is set, squeeze out spring 209 and be set in the outside for squeezing out threaded rod 207,
Spring 209 is squeezed out to be located between extrusion nut 208 and lifter plate 102.
The compression degree for squeezing out spring 209 can be adjusted, in turn by the extrusion nut 208 on rotary extrusion threaded rod 207
Drive driven mounting rack 205 to rotate by the restoring force of spring, thus control active extrusion 201 and driven extrusion 202 it
Between the dynamics that is bonded.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (8)
1. a kind of extrusion device, which is characterized in that including：
Squeeze out driving assembly；
Active extrusion, the active extrusion are arranged on the extrusion driving assembly；
Squeeze out driven subassembly；
Driven extrusion, the driven extrusion are arranged on the extrusion driven subassembly, the driven extrusion and the master
Dynamic extrusion matches.
2. extrusion device according to claim 1, which is characterized in that the extrusion driving assembly includes：
Squeeze out actuator；
Initiative part is squeezed out, the extrusion initiative part is arranged on the extrusion actuator；
The active extrusion is arranged on the extrusion actuator.
3. extrusion device according to claim 2, which is characterized in that the extrusion driven subassembly includes：
Driven mounting rack；
Follower is squeezed out, the extrusion follower is arranged on the driven mounting rack, the extrusion follower and the extrusion
Initiative part matches；
The driven extrusion is arranged on the driven mounting rack.
4. extrusion device according to claim 3, which is characterized in that in the extrusion initiative part and the extrusion follower
It is inside respectively equipped with gear, the extrusion initiative part and the extrusion follower are intermeshed.
5. extrusion device according to claim 3, which is characterized in that the driven mounting rack is to rotate driven mounting rack.
6. extrusion device according to claim 3, which is characterized in that further include squeezing out to adjust unit, the extrusion is adjusted
Unit is connect with the driven mounting rack.
7. extrusion device according to claim 6, which is characterized in that the extrusion adjusts unit and includes：
Threaded rod is squeezed out, described one end for squeezing out threaded rod is arranged on lifter plate；
Nut is squeezed out, the other end for squeezing out threaded rod is arranged in the nut that squeezes out；
Spring is squeezed out, the spring that squeezes out is set in the outside for squeezing out threaded rod, and the extrusion spring is located at the extrusion
Between nut and the lifter plate.
8. extrusion device according to claim 1, which is characterized in that in the active extrusion and the driven extrusion
Surface be equipped with extruding groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018106365394 | 2018-06-20 | ||
| CN201810636539 | 2018-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108908937A true CN108908937A (en) | 2018-11-30 |
Family
ID=64415865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810816445.5A Pending CN108908937A (en) | 2018-06-20 | 2018-07-24 | Extrusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108908937A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203888216U (en) * | 2014-06-09 | 2014-10-22 | 余金文 | 3D printer based on screw rotation continuous extrusion |
| CN106426930A (en) * | 2016-11-09 | 2017-02-22 | 南京航空航天大学 | Wade extruder device capable of adjusting extruding force |
| US20180079139A1 (en) * | 2014-07-11 | 2018-03-22 | Cloud Computing Center Chinese Academy Of Sciences | 3D printer spray nozzle capable of adjusting cross section areas of extruded materials and method for controling printing speed and precision of the 3D printer spray nozzle |
-
2018
- 2018-07-24 CN CN201810816445.5A patent/CN108908937A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203888216U (en) * | 2014-06-09 | 2014-10-22 | 余金文 | 3D printer based on screw rotation continuous extrusion |
| US20180079139A1 (en) * | 2014-07-11 | 2018-03-22 | Cloud Computing Center Chinese Academy Of Sciences | 3D printer spray nozzle capable of adjusting cross section areas of extruded materials and method for controling printing speed and precision of the 3D printer spray nozzle |
| CN106426930A (en) * | 2016-11-09 | 2017-02-22 | 南京航空航天大学 | Wade extruder device capable of adjusting extruding force |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210422 Address after: 215300 room 2, No.8, Jinxia Road, Lujia Town, Kunshan City, Suzhou City, Jiangsu Province Applicant after: Kunshan Fengfeng Machinery Equipment Co.,Ltd. Address before: 201499 2408, room second, 1599 Fengpu Avenue, Fengxian District, Shanghai. Applicant before: SHANGHAI YUNDING INTELLIGENT TECHNOLOGY Co.,Ltd. Applicant before: JIANGSU YUNDING INTELLIGENT TECHNOLOGY Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181130 |
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| WD01 | Invention patent application deemed withdrawn after publication |