CN106003727B - Double needle squeezes out control device - Google Patents
Double needle squeezes out control device Download PDFInfo
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- CN106003727B CN106003727B CN201610510440.0A CN201610510440A CN106003727B CN 106003727 B CN106003727 B CN 106003727B CN 201610510440 A CN201610510440 A CN 201610510440A CN 106003727 B CN106003727 B CN 106003727B
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- swing arm
- idler wheel
- pinch roller
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- plate
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- 238000001125 extrusion Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 12
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 125000006850 spacer group Chemical group 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of double needles to squeeze out control device, including fixed frame, squeeze out idler wheel, extruder motor and swing hold-down mechanism, the hold-down mechanism that swings includes drive component, the first swing arm, the second swing arm reverse geometry opposite with the second swing arm movement/rotation direction with the first swing arm is controlled, first swing arm and the setting of the second swing arm mirror symmetry, first swing arm and the second swing arm are slided or are rotated in fixed frame surface, first swing arm is equipped with the first pinch roller, second swing arm is equipped with the second pinch roller, and first pinch roller and the second pinch roller are located at the both sides for squeezing out idler wheel.Drive component is placed on to forward and backward, up or down the position of extruder motor, the transverse width to reducing entire wire feeder is avoided, the displacement distance of wire feeder is made to become larger, and multiple nozzles can be controlled simultaneously.
Description
Technical field
The present invention relates to 3D printer wire feeders, it is that a kind of double needle squeezes out control device.
Background technology
At present, during 3D printing, individual models need multiple material, mostly two kinds of materials in printing；Therefore it needs
Two nozzles, but each nozzle discharging is controlled to need to use respective motor, it is first since two motors are arranged on nozzle position
First cost is higher；Secondly, motor volume excessively bulky, the lateral distance of entire wire feeder is restricted.
It can refer to a kind of 3D printer head wire feeder of Patent No. CN201510457149.7, head wire feeder peace
It is laterally bulky equipped with 2 motors, it is unfavorable for transverse shifting, when the model of printing is laterally larger and close to printer
During edge, it can not complete normally to print.
Invention content
The goal of the invention of the present invention is to solve the problems, such as that multiple control motors occupy lateral volume, provide a kind of crosspointer
Head squeezes out control device, and drive component is placed on to forward and backward, up or down the position of extruder motor, reduces entire wire feeder
Transverse width, the displacement distance of wire feeder is made to become larger, and multiple nozzles can be controlled simultaneously.
In order to achieve the above-mentioned object of the invention, present invention employs following technical schemes：A kind of double needle squeezes out control device,
Including fixed frame, idler wheel, extruder motor and swing hold-down mechanism are squeezed out, the swing hold-down mechanism includes drive component, first
Swing arm, the second swing arm and the first swing arm of control are with the opposite reverse geometry of the second swing arm movement/rotation direction, the first swing arm and the
Two swing arm mirror symmetries are set, and the first swing arm and the second swing arm are slided or rotated in fixed frame surface, and first swing arm is equipped with
First pinch roller, the second swing arm are equipped with the second pinch roller, and first pinch roller and the second pinch roller are located at the both sides for squeezing out idler wheel.
When the driving component controls the first swing arm rotation or movement, the first pinch roller of the first swing arm is away from extrusion idler wheel distance
Reduce, reverse geometry acts on the second swing arm, and the second swing arm is rotated backward or moved, and the second pinch roller increases to idler wheel distance is squeezed out
Add.
Preferably, the driving component includes slide bar, and the slide bar includes driving idler wheel and control slide bar is slided back and forth horizontally
It is dynamic that apart from position-limit mechanism, first swing arm is equipped with first and abuts plate, drive idler wheel lower end height abutted less than first plate and
The height during level of the second abutting plate.Second swing arm is equipped with second and abuts plate, and the first swing arm and the second swing arm are rotationally connected with
Fixed frame surface；
When idler wheel is driven to abut plate movement to first, the negative direction of the first swing arm to driving idler wheel moving direction rotates,
First pinch roller increases with squeezing out idler wheel spacing；Second swing arm rotates under the action of reverse geometry along driving idler wheel moving direction,
Second pinch roller reduces with squeezing out idler wheel spacing.
Preferably, described first plate end is abutted equipped with the first groove, second, which abuts plate end, is equipped with the second groove, described
First groove and the second groove collectively form the arc groove for driving idler wheel insertion；
During the driving idler wheel insertion arc groove, the first swing arm and the second swing arm turn to the first abutting plate and second and abut
Plate flushes, and the first pinch roller and the second pinch roller are identical to the distance for squeezing out idler wheel.
Preferably, the reverse geometry includes elastic component and for the fixed end of elastic component, and the end includes first
End and the second end, first end are located in the first swing arm, and the second end is located in the second swing arm, and elastic component both ends fix
One end and the second end.
Preferably, the reverse geometry includes swing rod, and the driving component includes the drive for controlling swing rod swing angle
Moving cell, the both ends of swing rod are hinged the first swing arm and the second swing arm, are equipped in the first swing arm and the second swing arm reciprocal for it
Mobile limit sliding chutes, the limit sliding chutes are interior to be equipped with position-limiting unit, and position-limiting unit is mutually fixed with fixed frame；
Swing rod rotating is controlled by driving unit, so as to control the stroke of the swing arm of the first swing arm/second, and then is controlled
The pinch roller of first pinch roller/second is to the spacing for squeezing out idler wheel.
Preferably, the driving unit is stand-by motor, and the middle part of the stand-by motor connection swing rod, stand-by motor is located at
The front of extruder motor, rear, above or below.
Preferably, stand-by motor is located at the surface of extruder motor.
Preferably, the swing rod is tightly attached to fixed frame surface, swing rod surface be equipped with for strands by through-hole.
Compared with prior art, the double needle for employing above-mentioned technical proposal squeezes out control device, has following beneficial to effect
Fruit：
Double needle using the present invention squeezes out control device, and drive component is real for controlling rotation/movement of the first swing arm
The first pinch roller in existing first swing arm close/separate can squeeze out idler wheel, and reverse geometry is used for the reverse movement of the second swing arm, makes
First pinch roller can be far from idler wheel be squeezed out close to the second pinch roller when squeezing out idler wheel, and the first pinch roller is far from the second pinch roller when squeezing out idler wheel
It can achieve the effect that single drive component controls two swing arms close to idler wheel is squeezed out, be replaced by a drive component original
Multiple drive components, decline the quantity of drive component, greatly reduce double needle squeeze out control device weight volume,
And effectively reduce the cost that drive component expends.
Description of the drawings
Fig. 1 is the structure diagram that double needle of the present invention squeezes out control device embodiment 1；
Fig. 2 is the structure diagram of slide bar in embodiment 1；
Fig. 3 is the structure diagram of the first swing arm in embodiment 1；
Fig. 4 is the structure diagram that double needle of the present invention squeezes out control device embodiment 1；(both ends stopping)
Fig. 5 is the structure diagram that hold-down mechanism is swung in embodiment 1；(both ends stopping)
Fig. 6 is the structure diagram that double needle of the present invention squeezes out control device embodiment 1；(left end feeding)
Fig. 7 is the structure diagram that hold-down mechanism is swung in embodiment 1；(left end feeding)
Fig. 8 is the structure diagram that double needle of the present invention squeezes out control device embodiment 2；
Fig. 9 is the structure diagram of the present embodiment 2；(both ends stopping)
Figure 10 is the structure diagram of the present embodiment 2；(left end feeding)
Figure 11 is the structure diagram of the present embodiment 2；(right end feeding)
Figure 12 is the structure diagram of first, second swing arm and swing rod in the present embodiment 2.
Reference numeral：1st, extruder motor；10th, idler wheel is squeezed out；20th, spring；21st, the first swing arm；210th, the first pinch roller；211、
Shaft；212nd, first end；213rd, first plate is abutted；214th, the first groove；22nd, the second swing arm；220th, the second pinch roller；221st, turn
Axis；222nd, the second end；223rd, second plate is abutted；224th, the second groove；3rd, slide bar；30th, limit sliding chutes；31st, idler wheel is driven；4、
Strands；5th, swing rod；50th, stand-by motor；51st, through-hole.
Specific embodiment
The present invention is described further below in conjunction with the accompanying drawings.
Embodiment 1：
A kind of double needle as shown in Fig. 1 to 7 squeezes out control device, including fixed frame, squeezes out idler wheel 10, extruder motor 1
With swing hold-down mechanism, swing hold-down mechanism and include drive component, the first swing arm 21 of the first swing arm 21, the second swing arm 22 and control
The opposite reverse geometry with 22 moving direction of the second swing arm, the first swing arm 21 and the setting of 22 mirror symmetry of the second swing arm, the first pendulum
For 21 and second swing arm 22 of arm in fixed frame surface pivots, the first swing arm 21 is equipped with the first pinch roller 210, and the second swing arm 22 is equipped with second
Pinch roller 220, the first pinch roller 210 and the second pinch roller 220 are located at the both sides for squeezing out idler wheel 10.Two pinch rollers are by the way that strands are pressed in
10 surface of idler wheel is squeezed out, the rotation of extruder motor 1 later rotates extrusion idler wheel 10, so as to which strands be driven to move, squeezes out idler wheel 10
Surface is equipped with the broached-tooth design for increasing friction.
Reverse geometry includes spring 20, first end 212 and the second end 222, and first end 212 is located at the first swing arm 21
On put, the second end 222, which is located in the second swing arm 22, to be put, and first end 212 and the second end 222 are fixed in 20 both ends of spring.
Drive component includes slide bar 3, and slide bar 3 includes driving idler wheel 31 and control slide bar 3 slides back and forth horizontally distance limiting
Slot 30, the first swing arm 21 are equipped with first and abut plate 213, and the lower end height of driving idler wheel 31 abuts plate 213 and second less than first
Height when abutting the level of plate 223.Second swing arm 22 is equipped with second and abuts plate 223, and the first swing arm 21 and the second swing arm 22 turn
It is dynamic to be connected to fixed frame surface；
First, which abuts 213 end of plate, is equipped with the first groove 214, and second, which abuts 223 end of plate, is equipped with the second groove 224, the
One groove 214 and the second groove 224 collectively form the arc groove being embedded in for driving idler wheel 31；
When driving the idler wheel 31 to be embedded in arc groove, the first swing arm 21 and the second swing arm 22 turn to the first abutting plate 213 and the
Two abutting plates 223 flush, and the first pinch roller 210 and the second pinch roller 220 are identical to the distance for squeezing out idler wheel 10.
Double needle in the present embodiment squeezes out control device when in use, shares three state：Left and right ends stop shape
State, left end discharge state, right end discharge state.
The equal halted state in left and right ends：As shown in Figure 4 and Figure 5, when idler wheel 31 is driven to be in arc groove, idler wheel is driven
31 are located at middle position, and the first swing arm 21 and the second swing arm 22 turn to the first abutting plate 213 and second and abut plate 223 together
It is flat, the first pinch roller 210 of the first swing arm 21 at this time to the distance for squeezing out idler wheel 10, with the second pinch roller 220 of the second swing arm 22 to
The distance for squeezing out idler wheel 10 is identical, this distance is more than the diameter of strands, and strands can not be pressed on extrusion idler wheel by two pinch rollers
10 surfaces, squeezing out idler wheel rotation can not drive strands to move.
Left end discharge state：As shown in Figure 6 and Figure 7, it when entire wire feeder moves to the left, is beaten when wire feeder reaches 3D
Shell is hit in the edge of print machine shell, the left side of slide bar 3, and slide bar 3 is moved to the right relative to wire feeder, the drive on slide bar 3
Dynamic idler wheel 31 equally moves right, and compression second abuts plate downwards, makes the second abutting plate that the inverse time occur along shaft 221 to the left
The small size rotation of needle, the second pinch roller 220 move to the right, and the distance with squeezing out idler wheel 10 increases, and strands are not by the second pinch roller
220 and squeeze out idler wheel 10 pressure.
And under the action of reverse geometry spring 10, due to the rotation of the second swing arm 22, compressed spring 20, spring 20 is to the left
Side compression forces the first swing arm 21 that same rotation small size counterclockwise occurs, and the first swing arm 21 is rotated along shaft 211, the first pinch roller
210 is close to idler wheel 10 is squeezed out, and strands are pressed between the first pinch roller 210 and extrusion idler wheel 10, squeezes out idler wheel 10 later
It is rotated counterclockwise under the action of extruder motor 1, strands is squeezed out from left side mouthful.
Right end discharge state：It is identical with left side discharge state, be only merely when slide bar 3 hits shell the direction moved be to
It moves left.Remaining operation and left end discharge state are mirror image, therefore do not do the explanation of repetition herein.
Driving device in the present embodiment is driven feeding only with single motor, and compact structure, weight is low, into
This is also low, tells somebody what one's real intentions are to the moving influence of double nozzle wire feeders, and the range of movement is wider.
Embodiment 2：
Double needle such as Fig. 8 to 12 squeezes out control device, and driving device is not the Mechanical Driven using impacting type, but
It is driven using another stand-by motor 50, stand-by motor 50 is installed on the surface of extruder motor 1 rather than extruder motor 1
The left and right sides, excessive influence is not generated to the transverse shifting of wire feeder.
Double needle in the present embodiment squeezes out control device, including fixed frame, squeezes out idler wheel 10, extruder motor 1 and swing
Hold-down mechanism swings hold-down mechanism and includes drive component, the first swing arm 21, the second swing arm 22 and the first swing arm of control 21 with second
The opposite reverse geometry of 22 moving direction of swing arm, the first swing arm 21 and the setting of 22 mirror symmetry of the second swing arm, 21 He of the first swing arm
Second swing arm 22 is slided in fixed frame surface, and the first swing arm 21 is equipped with the first pinch roller 210, and the second swing arm 22 is equipped with the second pinch roller
220, the first pinch roller 210 and the second pinch roller 220 are located at the both sides for squeezing out idler wheel 10.Two pinch rollers by strands by being pressed in extrusion
10 surface of idler wheel, the rotation of extruder motor 1 later rotates extrusion idler wheel 10, so as to which strands be driven to move, squeezes out 10 surface of idler wheel
Equipped with the broached-tooth design for increase friction.
Reverse geometry includes swing rod 5, and drive component includes the driving unit for controlling 5 swing angle of swing rod, swing rod 5
Both ends are hinged the first swing arm 21 and the second swing arm 22, are equipped in the first swing arm 21 and the second swing arm 22 for its reciprocating movement
Limit sliding chutes 23, limit sliding chutes 23 are interior to be equipped with position-limiting unit, and position-limiting unit is mutually fixed with fixed frame.
Driving unit may be used cylinder, motor or other devices and be driven, because motor operation is reliable and stable, this reality
Preferred motor in example is applied to be driven；Position-limiting unit may be used the various ways such as sliding block, spacer pin and be limited, therefore this hair
Restriction is not made in bright.
Stand-by motor 50 connects the middle part of swing rod 5,5 rotating of swing rod is controlled by stand-by motor 50, so as to control first
The stroke of 21/ second swing arm 22 of swing arm, and then 210/ second pinch roller 220 of the first pinch roller is controlled to the spacing for squeezing out idler wheel 10.
In order to reduce volume, swing rod 5 is made to be tightly attached to fixed frame surface, since it is considered that swing rod 5 may stop strands
Pass through, thus 5 surface of swing rod setting for strands by through-hole or straight slot.
Double needle in the present embodiment squeezes out control device when in use, similarly shared three state：Stop left and right ends
Only state, left end discharge state, right end discharge state.
The equal halted state in left and right ends：As shown in figure 9, when swing rod 5 is turned to level by stand-by motor 50, the first swing arm
21 and second swing arm 22 be moved to identical position, the first pinch roller 210 of the first swing arm 21 at this time to the distance for squeezing out idler wheel 10,
Identical to the distance for squeezing out idler wheel 10 with the second pinch roller 220 of the second swing arm 22, this distance is more than the diameter of strands, two pressures
Strands can not be pressed on by wheel squeezes out 10 surface of idler wheel, and squeezing out idler wheel rotation can not drive strands to move.
Left end discharge state：As shown in Figure 10, when stand-by motor 50 rotates counterclockwise, 5 left end of swing rod moves down the right side
End moves up, and the first pinch roller 210 is compressed downwardly close to idler wheel 10 is squeezed out, and strands are pressed in the first pinch roller 210 and extrusion
Between idler wheel, the second pinch roller 220 lifts to upper right side, and the distance with squeezing out idler wheel 10 increases, and strands are not by the second pinch roller 220
With the pressure for squeezing out idler wheel 10, idler wheel 10 is squeezed out later and is rotated counterclockwise under the action of extruder motor 1, by strands from left side mouthful
It squeezes out.
Right end discharge state：Identical with left side discharge state, the rotation direction for being only merely stand-by motor 50 is clockwise
Rotation.Remaining operation and left end discharge state are mirror image, therefore do not do the explanation of repetition herein.
Advantage of this embodiment is that：Stand-by motor 50 is positioned over the surface of extruder motor 1, for a left side for extruder motor
Right both sides are without influence so that entire moving left and right for wire feeder is not affected.Secondly, the control of stand-by motor 50 is accurate, and
It can be with and without being switched over as in switching right and left feeding, needing in embodiment 1 to move laterally through shock, in the present embodiment
Freely switching right and left discharging, low noise are carried out, and be hardly damaged by stand-by motor 50.
The above makes the preferred embodiment of the present invention, does not depart from this hair for those of ordinary skill in the art
Under the premise of bright principle, several variations and modifications can also be made, these also should be regarded as protection scope of the present invention.
Claims (3)
1. a kind of double needle squeezes out control device, including fixed frame, idler wheel (10) and extruder motor (1) are squeezed out, it is characterised in that：
Further included swing hold-down mechanism, the swing hold-down mechanism include drive component, the first swing arm (21), the second swing arm (22) and
The first swing arm (21) is controlled with the opposite reverse geometry of the second swing arm (22) movement/rotation direction, drive component, which is located at, squeezes out electricity
The front of machine (1), rear, above or below, the first swing arm (21) and the setting of the second swing arm (22) mirror symmetry, the first swing arm
(21) it slides or rotates in fixed frame surface with the second swing arm (22), first swing arm (21) is equipped with the first pressure being freely rotated
It takes turns (210), the second swing arm (22) is equipped with the second pinch roller (220) being freely rotated, first pinch roller (210) and the second pinch roller
(220) positioned at the both sides for squeezing out idler wheel (10)；
When the driving component controls the first swing arm (21) rotation or movement, the first pinch roller (210) of the first swing arm (21) is away from crowded
Going out idler wheel (10) distance to reduce, reverse geometry, which acts on the second swing arm (22), makes the second swing arm (22) rotate backward or move, the
Two pinch rollers (220) increase to idler wheel (10) distance is squeezed out；
The driving component includes slide bar (3), and the slide bar (3) is horizontal reciprocating including driving idler wheel (31) and control slide bar (3)
Sliding distance position-limit mechanism, first swing arm (21) abut plate (213) equipped with first, and the lower end height of driving idler wheel (31) is low
Height when the first abutting plate (213) and second abut the level of plate (223)；Second swing arm (22) abuts plate equipped with second
(223), the first swing arm (21) and the second swing arm (22) are rotationally connected with fixed frame surface；
When drive idler wheel (31) to first abut plate (213) it is mobile when, the first swing arm (21) is to driving idler wheel (31) moving direction
Negative direction rotation, the first pinch roller (210) with squeeze out idler wheel (10) spacing increase；Second swing arm (22) is in the effect of reverse geometry
Lower edge driving idler wheel (31) moving direction rotation, the second pinch roller (220) reduce with squeezing out idler wheel (10) spacing；The extrusion idler wheel
(10) surface is equipped with the broached-tooth design for increasing friction.
2. double needle according to claim 1 squeezes out control device, it is characterised in that：Described first abuts plate (213) end
End be equipped with the first groove (214), second abut plate (223) end be equipped with the second groove (224), first groove (214) and
Second groove (224) is collectively formed for the embedded arc groove of driving idler wheel (31)；
During driving idler wheel (31) the insertion arc groove, the first swing arm (21) and the second swing arm (22) turn to the first abutting plate
(213) it is flushed with the second abutting plate (223), the distance phase of the first pinch roller (210) and the second pinch roller (220) extremely extrusion idler wheel (10)
Together.
3. double needle according to claim 1 squeezes out control device, it is characterised in that：The reverse geometry includes elastic component
(20) and for the fixed end of elastic component, the end includes first end (212) and the second end (222), first end
(212) in the first swing arm (21), the second end (222) in the second swing arm (22), be fixed on by elastic component (20) both ends
First end (212) and the second end (222).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610510440.0A CN106003727B (en) | 2016-06-28 | 2016-06-28 | Double needle squeezes out control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610510440.0A CN106003727B (en) | 2016-06-28 | 2016-06-28 | Double needle squeezes out control device |
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| Publication Number | Publication Date |
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| CN106003727A CN106003727A (en) | 2016-10-12 |
| CN106003727B true CN106003727B (en) | 2018-07-03 |
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| CN201610510440.0A Active CN106003727B (en) | 2016-06-28 | 2016-06-28 | Double needle squeezes out control device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206297147U (en) * | 2016-12-30 | 2017-07-04 | 东莞市皇龙电子有限公司 | A kind of refueling agency |
| CN108160462B (en) * | 2018-01-05 | 2019-01-15 | 朗丝窗饰有限公司 | A kind of ore in sand form screen of the intermittent vibration of gravity triggering |
| CN108582781B (en) * | 2018-07-26 | 2019-03-22 | 中科院广州电子技术有限公司 | A kind of three-dimensional printer single motor extrusion system that can actively switch print head |
| CN109895381B (en) * | 2019-03-25 | 2019-10-25 | 中科院广州电子技术有限公司 | A kind of switching feeding mechanism of dual channel print head |
| CN115091750B (en) * | 2022-07-13 | 2024-01-05 | 深圳市创想三维科技股份有限公司 | Double-spray-head device and 3D printing equipment |
| CN115214137B (en) * | 2022-07-13 | 2023-08-01 | 深圳市创想三维科技股份有限公司 | Switching device and 3D printing equipment |
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| CN205970005U (en) * | 2016-06-28 | 2017-02-22 | 杭州铭展网络科技有限公司 | Controlling means is extruded to duplex head |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9469071B2 (en) * | 2013-08-01 | 2016-10-18 | Douglass Innovations, Inc. | Fused filament fabrication system and method |
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|---|---|---|---|---|
| CN203157146U (en) * | 2012-11-06 | 2013-08-28 | 中科院广州电子技术有限公司 | A three-dimensional printer extrusion head capable of feeding in a switching mode |
| CN104228069A (en) * | 2014-07-24 | 2014-12-24 | 苏州江南嘉捷机电技术研究院有限公司 | Dual-head 3D printer capable of rotatably switching printing heads |
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| CN205970005U (en) * | 2016-06-28 | 2017-02-22 | 杭州铭展网络科技有限公司 | Controlling means is extruded to duplex head |
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| CN106003727A (en) | 2016-10-12 |
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