CN109895380A - A kind of feeding mechanism of test model 3D printer - Google Patents
A kind of feeding mechanism of test model 3D printer Download PDFInfo
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- CN109895380A CN109895380A CN201711306566.7A CN201711306566A CN109895380A CN 109895380 A CN109895380 A CN 109895380A CN 201711306566 A CN201711306566 A CN 201711306566A CN 109895380 A CN109895380 A CN 109895380A
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- wire
- test model
- print head
- feeding mechanism
- arm
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Abstract
The present invention relates to a kind of feeding mechanisms of test model 3D printer, including bottom plate, filament-type plastic print head, powdered plastic print head；The filament-type plastic print head and powdered plastic print head include the vertical plate being fixedly connected with bottom plate, upper end be equipped with the pivoted arm of ramp, the wire feed rolls being pivotally connected with the lower end of pivoted arm, it is opposite with wire feed rolls and be pivotally connected with vertical plate wire feeding gear, be fixedly connected with vertical plate and stepper motor that output shaft and wire feeding gear are fixedly connected and be equipped with wire hole and heating device and connect with bottom plate to material head；The powdered plastic print head further includes rotation screw rod, and the rotation screw rod is engaged through blanking channel and with the wire feeding gear.The present invention is suitable for solid-state filament-type plastic or powdered plastic, and has higher discharging precision.
Description
Technical field
The invention belongs to rapid prototyping technology field more particularly to a kind of feeding mechanisms of test model 3D printer.
Background technique
3D printing (3 D-printing) is one kind of rapid prototyping technology, it is based on a digital model file, and is used
Plastic or other material is squeezed by the spray head with a minute nozzle and gushes out and start to solidify after temperature is lower than solidification temperature,
Finished product is ultimately formed by the layer upon layer of plastic material, constructs the technology of object by layer-by-layer printing.It is Chinese special
A kind of sharp application number: 3D printing spray head of the disclosure of the invention of CN201310242128.4, comprising: melt tank, motor-driven valve, gear
Pump, first motor, the second motor and nozzle；Wherein, the first motor is fixed at the side of motor-driven valve, and controls electronic
Threshold switch；Second motor control is fixed at the side of gear pump, and controls the transmission of gear pump；The motor-driven valve packet
It includes: inlet port and outlet port；The gear pump includes inlet port and outlet port；The discharge port and gear pump of the motor-driven valve are fed
Mouth connection, the feed inlet of the motor-driven valve are connected to the melt tank, and the discharge port of the gear pump is connected to the nozzle.It should
3D printing spray head is suitable for liquid material, and existing cannot be simultaneously using a variety of plastic materials and the discharging lower deficiency of precision.
Therefore, these problems are based on, one kind is provided and is suitable for solid-state filament-type plastic or powdered plastic, and has and is relatively higher by
The feeding mechanism for expecting the test model 3D printer of precision, has important practical significance.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind to be suitable for solid-state filament-type plastic or powder
Plastics, and the feeding mechanism of the test model 3D printer with higher discharging precision.
The present invention solves its technical problem and adopts the following technical solutions to achieve:
A kind of feeding mechanism of test model 3D printer, including the printing of bottom plate, filament-type plastic print head, powdered plastic
Head；The filament-type plastic print head and powdered plastic print head include the vertical plate being fixedly connected with bottom plate, upper end equipped with upper oblique
The pivoted arm in face is consolidated with wire feed rolls, the wire feeding gear and vertical plate opposite with wire feed rolls and being pivotally connected with vertical plate that the lower end of pivoted arm is pivotally connected
The stepper motor and be equipped with wire hole and heating device and connect with bottom plate that fixed connection and output shaft and wire feeding gear are fixedly connected
Give material head；The powdered plastic print head further includes rotation screw rod, and the rotation screw rod is sent through blanking channel and with described
Silk gear engagement.
Further, the filament-type plastic print head is additionally provided with the bearing piece being fixedly connected with vertical plate, and the bearing piece is equipped with
The lower inclined plane opposite with ramp.
Further, the pivoted arm includes the transverse arm connecting with the vertical arm of vertical plate pivot joint and one end and the upper end of vertical arm；
The pivot joint of the lower end of wire feed rolls and vertical arm；Wire feeding gear is located at the downside of transverse arm；Ramp is located at the connection on the downside of transverse arm with vertical arm
Place；Ramp and lower inclined plane are equipped with spring counterbore；The adjusting bullet in compressive state is equipped between two spring counterbores
Spring.
Further, the vertical arm side opposite with wire feeding gear is equipped with the rectangular notch penetrated through with lower end surface；Rectangle
The upper end of notch is located at the upside of wire feed rolls and wire feeding gear；The upper surface of vertical arm is equipped with and the perforation of the upper surface of rectangular notch
Harness cord hole；
Further, the upper end of the vertical arm is equipped with seal wire connector, and it is straight greater than harness cord hole that the seal wire connector is equipped with diameter
Diameter and the thread eye being connected to harness cord hole.
Further, the rotation screw rod upper end is fixedly connected by bearing with the seal wire connector, and by bearing with lead
Gap is fed between Threaded Connector Coupling inner wall.
Further, it is described to material head include the feed pipe being set in equipped with the instlated tubular of mesoporous, top outside instlated tubular and
The guide pad being fixedly connected with the upper surface of bottom plate, guide pad are equipped with the guiding taper hole that big end is located at upper surface；
Further, the heating device includes the fixed block being set in outside feed pipe lower part and is arranged in fixed block
Heating rod；The lower end of feed pipe is equipped with the discharge hole being connected to mesoporous；The small end of guiding taper hole is connected to mesoporous；Guiding taper hole,
Mesoporous and discharge hole constituted wire hole.
Further, the material of the instlated tubular is Teflon.
Further, the heating rod is electrically heated rod.
The advantages and positive effects of the present invention are:
1, the 3D printing feed device of the invention can use a variety of filament-type plastic materials and dusty material simultaneously, and discharge
Precision is higher；
2, pivoted arm of the invention includes that vertical arm and transverse arm make the compact-sized of print head；
3, harness cord hole of the invention moves downward solid-state filament-type plastic, and thread eye conveniently wears silk；
4, feed header structure of the invention is simple and practical, and instlated tubular melts solid-state filament-type plastic just in feed pipe lower end,
Keep discharging precision higher.
Detailed description of the invention
Technical solution of the present invention is described in further detail below with reference to drawings and examples, but should
Know, these attached drawings are designed for task of explanation, therefore not as the restriction of the scope of the invention.In addition, except non-specifically
It points out, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to be drawn to scale.
Fig. 1 is the structural schematic diagram of the feeding mechanism of test model 3D printer provided in an embodiment of the present invention；
Fig. 2 is rotation screw rod and seal wire connector fixing structure top view；
In figure:
1, bottom plate 2, vertical plate 3, pivoted arm
31, ramp 32, vertical arm 33, transverse arm
34, harness cord hole 4, wire feed rolls 5, wire feeding gear
6, it gives material head 61, cross wire hole 62, mesoporous
63, instlated tubular 64, feed pipe 65, guide pad
66, guiding taper hole 67, fixed block 68, heating rod
69, discharge hole 7, rotation screw rod 8, bearing piece
81, lower inclined plane 9, adjustment spring 10, rectangular notch
11, seal wire connector 111, thread eye 12, bearing
Specific embodiment
Firstly, it is necessary to which explanation, illustrates specific structure of the invention, feature and excellent for by way of example below
Point etc., however what all descriptions were intended merely to be illustrated, and should not be construed as to present invention formation any restrictions.This
Outside, any single technical characteristic for being described by or implying in each embodiment mentioned by this paper, or be shown or lie in
Any single technical characteristic in each attached drawing still can continue any group between these technical characteristics (or its equivalent)
It closes or deletes, to obtain the more other embodiments of the invention that may do not referred to directly herein.In addition, for simplification
For the sake of drawing, same or like technical characteristic may be indicated only at one in the same figure.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, in addition, term " includes " and " having " and their any deformation, it is intended that covering is not arranged
His includes, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to clearly
Those of list step or unit, but may include be not clearly listed or for these process, methods, product or equipment
Intrinsic other step or units.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
The present invention just is illustrated in conjunction with Fig. 1 to Fig. 2 below.
Fig. 1 is the structural schematic diagram of the feeding mechanism of test model 3D printer provided in an embodiment of the present invention；Fig. 2 is to turn
Dynamic screw rod and seal wire connector fixing structure top view；As shown in Fig. 1~2, test model 3D printer provided in this embodiment
Feeding mechanism, including bottom plate 1, filament-type plastic print head, powdered plastic print head；The filament-type plastic print head and powdered plastic
Print head includes the pivoted arm 3 of the vertical plate 2 being fixedly connected with bottom plate 1, upper end equipped with ramp 31, the lower end pivot joint with pivoted arm 3
Wire feed rolls 4, it is opposite with wire feed rolls 4 and be pivotally connected with vertical plate 2 wire feeding gear 5, be fixedly connected with vertical plate 2 and output shaft and wire feed
Stepper motor that gear 5 is fixedly connected and be equipped with wire hole 61 and heating device and connect with bottom plate to material head 6；The powder
Plastics print head further includes rotation screw rod 7, and the rotation screw rod 7 is engaged through blanking channel and with the wire feeding gear 5.
For further, it can also consider in the present invention, the filament-type plastic print head is additionally provided with fixed with vertical plate 2
The bearing piece 8 of connection, the bearing piece 8 are equipped with the lower inclined plane 81 opposite with ramp 31.
It should be pointed out that the pivoted arm 3 includes the upper end company of the vertical arm 32 being pivotally connected with vertical plate 2 and one end and vertical arm 32
The transverse arm 33 connect；The lower end of wire feed rolls 4 and vertical arm 32 is pivotally connected；Wire feeding gear 5 is located at the downside of transverse arm 33；Ramp 31 is located at cross
The junction of arm 33 downside and vertical arm 32；Ramp 31 and lower inclined plane 81 are equipped with spring counterbore；Two spring counterbores it
Between be equipped in compressive state adjustment spring 9.
For further, it can also consider in the present invention, the vertical arm 32 side opposite with wire feeding gear 5 is equipped with
With the rectangular notch 10 of lower end surface perforation；The upper end of rectangular notch 10 is located at the upside of wire feed rolls 4 and wire feeding gear 5；Vertical arm 32
Upper surface be equipped with the harness cord hole 34 penetrated through with the upper surface of rectangular notch 10；
For further, it can also consider in the present invention, the upper end of the vertical arm 32 is equipped with seal wire connector 11, described
Seal wire connector 11 is equipped with the thread eye 111 that diameter is greater than 34 diameter of harness cord hole and is connected to harness cord hole 34.
It should be pointed out that 7 upper end of rotation screw rod is fixedly connected by bearing 12 with the seal wire connector 11, and by
Gap is fed between 11 inner wall of bearing 12 and seal wire connector.
It to material head 6 include being set in outside instlated tubular 63 equipped with the instlated tubular 63 of mesoporous 62, top it should be pointed out that described
Feed pipe 64 and the guide pad 65 that is fixedly connected with the upper surface of bottom plate 1, guide pad 65 be equipped with big end and be located at leading for upper surface
To taper hole 66；
It should be pointed out that the heating device includes the fixed block 67 being set in outside 64 lower part of feed pipe and is arranged in solid
Determine the heating rod 68 in block 67；The lower end of feed pipe 64 is equipped with the discharge hole 69 being connected to mesoporous 62；The small end of guiding taper hole 66
It is connected to mesoporous 62；Guiding taper hole 66, mesoporous 62 and discharge hole 69 constituted wire hole 61.
It should be noted that being fixedly connected with mode using bolt mature in the prior art, rivet, welding in the present invention
Equal conventional means, details are not described herein, but will not influence the repetition of those skilled in the art due to the above reasons,.
As an example, in the present invention, which will consolidate in use, be installed in 3D printer main body
State filament-type plastic passes through thread eye 11, harness cord hole 34, wire feeding gear 5, guiding taper hole 66 and the mesoporous 62 of filament-type plastic print head,
Wire feed rolls 4 and wire feeding gear 5 push down solid-state filament-type plastic under the effect of adjustment spring 9；Start stepper motor and drives wire feeding gear 5
Rotation, moves downward solid-state filament-type plastic, is made under solid-state filament-type plastic by the lower part for the feed pipe 64 that heating device heats
End melting simultaneously squeezes injection progress 3D printing from discharge hole 69；By solid powder plastics by bearing 12 and 11 inner wall of seal wire connector it
Between gap feed, starting stepper motor drives wire feeding gear 5 to rotate, and the rotation of wire feeding gear 5 drives rotation screw rod 7 to rotate, and makes solid
State powdered plastics move downward, and melt the lower end of solid-state filament-type plastic simultaneously by the lower part for the feed pipe 64 that heating device heats
It squeezes to project from discharge hole 69 and carries out 3D printing；As needed, the color of two solid-state filament-type plastics 13 can be identical or different, and two
The material of root solid-state filament-type plastic 13 can be identical or different, and the diameter of two solid-state filament-type plastics 13 can be identical or different；
The color and material of charging plastics in filament-type plastic print head, powdered plastic print head can not be identical, and two print heads can
With alternately 3D printing as required.
In conclusion the present invention can provide one kind to be suitable for solid-state filament-type plastic or powdered plastic, and has and be relatively higher by
Expect the feeding mechanism of the test model 3D printer of precision.
Above embodiments describe the invention in detail, but content is only the preferred embodiment of the present invention, no
It can be believed to be used to limit the scope of the invention.Any changes and modifications in accordance with the scope of the present application,
It should still fall within the scope of the patent of the present invention.
Claims (10)
1. a kind of feeding mechanism of test model 3D printer, including bottom plate, filament-type plastic print head, powdered plastic print head；
The filament-type plastic print head and powdered plastic print head include the vertical plate being fixedly connected with bottom plate, upper end equipped with ramp
Pivoted arm is fixed and is connected with wire feed rolls, the wire feeding gear and vertical plate opposite with wire feed rolls and being pivotally connected with vertical plate that the lower end of pivoted arm is pivotally connected
Connect and stepper motor that output shaft and wire feeding gear are fixedly connected and be equipped with wire hole and heating device and connect with bottom plate to
Material head；It is characterized by: the powdered plastic print head further include rotation screw rod, the rotation screw rod run through blanking channel and with
The wire feeding gear engagement.
2. a kind of feeding mechanism of test model 3D printer according to claim 1, it is characterised in that: the Filamentous modeling
Material print head is additionally provided with the bearing piece being fixedly connected with vertical plate, and the bearing piece is equipped with the lower inclined plane opposite with ramp.
3. a kind of feeding mechanism of test model 3D printer according to claim 2, it is characterised in that: the pivoted arm
The transverse arm that upper end including the vertical arm and one end and vertical arm that are pivotally connected with vertical plate is connect；The pivot joint of the lower end of wire feed rolls and vertical arm；Wire feed
Gear is located at the downside of transverse arm；Ramp is located at the junction on the downside of transverse arm with vertical arm；Ramp and lower inclined plane are equipped with spring
Counterbore；The adjustment spring in compressive state is equipped between two spring counterbores.
4. a kind of feeding mechanism of test model 3D printer according to claim 1, it is characterised in that: the vertical arm with
The opposite side of wire feeding gear is equipped with the rectangular notch penetrated through with lower end surface；The upper end of rectangular notch is located at wire feed rolls and wire feed tooth
The upside of wheel；The upper surface of vertical arm is equipped with the harness cord hole penetrated through with the upper surface of rectangular notch；
5. a kind of feeding mechanism of test model 3D printer according to claim 4, it is characterised in that: the vertical arm
Upper end is equipped with seal wire connector, and the seal wire connector is equipped with the thread eye that diameter is greater than harness cord bore dia and is connected to harness cord hole.
6. a kind of feeding mechanism of test model 3D printer according to claim 5, it is characterised in that: the rotation spiral shell
Bar upper end is fixedly connected by bearing with the seal wire connector, and is fed by gap between bearing and seal wire inner nosepiece wall.
7. a kind of feeding mechanism of test model 3D printer according to claim 1, it is characterised in that: described to give material head
Instlated tubular, the feed pipe that top is set in outside instlated tubular and the guiding being fixedly connected with the upper surface of bottom plate including being equipped with mesoporous
Block, guide pad are equipped with the guiding taper hole that big end is located at upper surface；
8. a kind of feeding mechanism of test model 3D printer according to claim 7, it is characterised in that: the heating dress
It sets including the fixed block being set in outside feed pipe lower part and the heating rod being arranged in fixed block；The lower end of feed pipe is equipped with in
The discharge hole of hole connection；The small end of guiding taper hole is connected to mesoporous；Guiding taper hole, mesoporous and discharge hole constituted wire hole.
9. a kind of feeding mechanism of test model 3D printer according to claim 7, it is characterised in that: the instlated tubular
Material be Teflon.
10. a kind of feeding mechanism of test model 3D printer according to claim 8, it is characterised in that: the heating
Stick is electrically heated rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711306566.7A CN109895380A (en) | 2017-12-11 | 2017-12-11 | A kind of feeding mechanism of test model 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711306566.7A CN109895380A (en) | 2017-12-11 | 2017-12-11 | A kind of feeding mechanism of test model 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109895380A true CN109895380A (en) | 2019-06-18 |
Family
ID=66942025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711306566.7A Pending CN109895380A (en) | 2017-12-11 | 2017-12-11 | A kind of feeding mechanism of test model 3D printer |
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| CN (1) | CN109895380A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531872A (en) * | 2020-04-16 | 2020-08-14 | 杭州喜马拉雅信息科技有限公司 | 3D of two discharge gates prints extrusion device |
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| CN103802314A (en) * | 2013-12-11 | 2014-05-21 | 宁波市铭瑞达激光科技有限公司 | 3D (three dimensional) printing feeding device |
| CN105058789A (en) * | 2015-07-28 | 2015-11-18 | 华中科技大学 | 3D printing device suitable for multi-material workpieces |
| CN105235214A (en) * | 2015-10-27 | 2016-01-13 | 大连理工大学 | Quantitative feeding device for melt extrusion printing of screw rod and feeding method |
| CN105328907A (en) * | 2015-11-13 | 2016-02-17 | 宁夏共享模具有限公司 | FDM (frequency-division multiplexing) three-dimensional printing and processing all-in-one machine |
| CN105479757A (en) * | 2016-01-20 | 2016-04-13 | 四川大学 | Conical screw extrusion device suitable for FDM printer |
| KR20170054164A (en) * | 2015-11-09 | 2017-05-17 | 이재훈 | Delta-bot type three dimensional printer having heating unit |
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2017
- 2017-12-11 CN CN201711306566.7A patent/CN109895380A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802314A (en) * | 2013-12-11 | 2014-05-21 | 宁波市铭瑞达激光科技有限公司 | 3D (three dimensional) printing feeding device |
| CN105058789A (en) * | 2015-07-28 | 2015-11-18 | 华中科技大学 | 3D printing device suitable for multi-material workpieces |
| CN105235214A (en) * | 2015-10-27 | 2016-01-13 | 大连理工大学 | Quantitative feeding device for melt extrusion printing of screw rod and feeding method |
| KR20170054164A (en) * | 2015-11-09 | 2017-05-17 | 이재훈 | Delta-bot type three dimensional printer having heating unit |
| CN105328907A (en) * | 2015-11-13 | 2016-02-17 | 宁夏共享模具有限公司 | FDM (frequency-division multiplexing) three-dimensional printing and processing all-in-one machine |
| CN105479757A (en) * | 2016-01-20 | 2016-04-13 | 四川大学 | Conical screw extrusion device suitable for FDM printer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531872A (en) * | 2020-04-16 | 2020-08-14 | 杭州喜马拉雅信息科技有限公司 | 3D of two discharge gates prints extrusion device |
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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 |
Application publication date: 20190618 |
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| RJ01 | Rejection of invention patent application after publication |