CN205970005U - Controlling means is extruded to duplex head - Google Patents
Controlling means is extruded to duplex head Download PDFInfo
- Publication number
- CN205970005U CN205970005U CN201620685526.2U CN201620685526U CN205970005U CN 205970005 U CN205970005 U CN 205970005U CN 201620685526 U CN201620685526 U CN 201620685526U CN 205970005 U CN205970005 U CN 205970005U
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- CN
- China
- Prior art keywords
- swing arm
- roller
- pinch roller
- extrusion
- swing
- 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.)
- Expired - Fee Related
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a controlling means is extruded to duplex head, include the mount, extrude the gyro wheel, extrude motor and swing hold -down mechanism, swing hold -down mechanism includes drive assembly, first swing arm, second swing arm and controls first swing arm and remove rotation in the opposite direction's reverse structure with the second swing arm that first swing arm sets up with second swing arm mirror symmetry, first swing arm and second swing arm in fixed frame surface slip or rotation, first swing arm is equipped with first pinch roller, and the second swing arm is equipped with the second pinch roller, first pinch roller and second pinch roller are located the both sides of extruding the gyro wheel. Place drive assembly in preceding, back on, the position under or of extruding the motor, avoid making the displacement grow that send a ware to having reduced the whole horizontal width that send a ware to can a plurality of shower nozzles of simultaneous control.
Description
Technical field
This utility model is related to 3D printer wire feeder, and it is a kind of double needle extrusion control device.
Background technology
At present, during 3D printing, individual models need multiple material, mostly bi-material when printing；It is thus desirable to
Two shower nozzles, but control each shower nozzle discharging to need to use respective motor, because two motors are arranged on shower nozzle position, first
First relatively costly；Secondly, motor volume excessively bulky, the lateral distance of whole wire feeder is restricted.
Refer to a kind of 3D printer head wire feeder of Patent No. CN201510457149.7, its head wire feeder is pacified
Equipped with 2 motors, laterally bulky, it is unfavorable for transverse shifting, when the laterally larger and close printer of the model printing
It is impossible to complete normally to print during edge.
Utility model content
Utility model purpose of the present utility model is to solve the problems, such as multiple controlled motors horizontal volumes of occupancy, providing
A kind of double needle extrudes control device, drive component is placed on forward and backward, up or down the position of extruder motor, reduces whole
The transverse width of individual wire feeder, makes the displacement of wire feeder become big, and can control multiple shower nozzles simultaneously.
In order to realize above-mentioned utility model purpose, this utility model employs technical scheme below：A kind of double needle extrusion
Control device, including fixed mount, extrusion roller, extruder motor and swing hold-down mechanism, described swing hold-down mechanism includes driving
Assembly, the first swing arm, the second swing arm and the same contrary reverse geometry of second swing arm movement/rotation direction of control first swing arm, the
One swing arm and the setting of the second swing arm specular, the first swing arm and the second swing arm are slided in fixed mount surface or are rotated, and described the
One swing arm is provided with the first pinch roller, and the second swing arm is provided with the second pinch roller, and described first pinch roller and the second pinch roller are located at extrusion roller
Both sides.
When described drive component controls the first swing arm to rotate or mobile, the first pinch roller of the first swing arm away from extrusion roller away from
From reduction, reverse geometry acts on the second swing arm, and the second swing arm rotates backward or mobile, and the second pinch roller increases to extruding roller distance
Plus.
Preferably, described drive component includes slide bar, and described slide bar includes driving rolls and controls slide bar horizontal reciprocating to slide
It is dynamic that apart from position-limit mechanism, described first swing arm is provided with the first abutting plate, the lower end height of driving rolls be less than first abut plate and
The height during level of the second abutting plate.Second swing arm is provided with the second abutting plate, and the first swing arm and the second swing arm are all rotationally connected with
Fixed mount surface；
When driving rolls abuts plate to first and moves, the first swing arm rotates to the opposite direction of driving rolls moving direction,
First pinch roller is increased with extrusion roller spacing；Second swing arm rotates along driving rolls moving direction in the presence of reverse geometry,
Second pinch roller is reduced with extrusion roller spacing.
Preferably, described first abutting plate end is provided with the first groove, and the second abutting plate end is provided with the second groove, described
First groove and the second groove collectively form the arcuate groove being available for that driving rolls embeds；
When described driving rolls embeds arcuate groove, the first swing arm and the second swing arm turn to the first abutting plate and the second abutting
Plate flushes, and the first pinch roller and the second pinch roller are identical to the distance extruding roller.
Preferably, described reverse geometry includes elastic component and for the fixing end of elastic component, and described end includes first
End and the second end, first end is located in the first swing arm, and the second end is located in the second swing arm, and elastic component two ends fix the
One end and the second end.
Preferably, described reverse geometry includes fork, and described drive component includes the drive for controlling fork pendulum angle
Moving cell, hinged first swing arm in two ends of fork and the second swing arm, the first swing arm and the second swing arm are equipped with reciprocal for it
The limit sliding chutes of movement, are provided with position-limiting unit in described limit sliding chutes, position-limiting unit is fixed with fixed mount phase；
Fork rotating being controlled by driver element, thus controlling the stroke of the first swing arm/the second swing arm, and then controlling
First pinch roller/the second pinch roller is to the spacing extruding roller.
Preferably, described driver element is stand-by motor, and described stand-by motor connects the middle part of fork, stand-by motor position
In the front of extruder motor, rear, above or below.
Preferably, stand-by motor is located at the surface of extruder motor.
Preferably, described fork is close to fixed mount surface, and fork surface is provided with the through hole passing through for strands.
Compared with prior art, employ the double needle extrusion control device of technique scheme, there is beneficial effect as follows
Really：
Control device is extruded using double needle of the present utility model, drive component is used for controlling the rotation/shifting of the first swing arm
Dynamic, realize the first pinch roller in the first swing arm can close/away from extrusion roller, reverse geometry is used for the reverse shifting of the second swing arm
Dynamic, enable the first pinch roller near extrusion roller when the second pinch roller away from extrusion roller, the first pinch roller is away from during extrusion roller the
Two pinch rollers can be reached the effect that single drive component controls two swing arms, taken by a drive component near extrusion roller
For original multiple drive components, so that the quantity of drive component is declined, greatly reduce the weight that double needle extrudes control device
Volume, and effectively reduce drive component expend cost.
Brief description
Fig. 1 extrudes the structural representation of control device embodiment 1 for this utility model double needle；
Fig. 2 is the structural representation of slide bar in embodiment 1；
Fig. 3 is the structural representation of the first swing arm in embodiment 1；
Fig. 4 extrudes the structural representation of control device embodiment 1 for this utility model double needle；(two ends stopping)
Fig. 5 is the structural representation swinging hold-down mechanism in embodiment 1；(two ends stopping)
Fig. 6 extrudes the structural representation of control device embodiment 1 for this utility model double needle；(left end feeding)
Fig. 7 is the structural representation swinging hold-down mechanism in embodiment 1；(left end feeding)
Fig. 8 extrudes the structural representation of control device embodiment 2 for this utility model double needle；
Fig. 9 is the structural representation of the present embodiment 2；(two ends stopping)
Figure 10 is the structural representation of the present embodiment 2；(left end feeding)
Figure 11 is the structural representation of the present embodiment 2；(right-hand member feeding)
Figure 12 is the structural representation of first, second swing arm and fork in the present embodiment 2.
Reference：1st, extruder motor；10th, extrude roller；20th, spring；21st, the first swing arm；210th, the first pinch roller；211、
Rotating shaft；212nd, first end；213rd, the first abutting plate；214th, the first groove；22nd, the second swing arm；220th, the second pinch roller；221st, turn
Axle；222nd, the second end；223rd, the second abutting plate；224th, the second groove；3rd, slide bar；30th, limit sliding chutes；31st, driving rolls；4、
Strands；5th, fork；50th, stand-by motor；51st, through hole.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described further.
Embodiment 1：
A kind of double needle extrusion control device as shown in Fig. 1 is to 7, including fixed mount, extrusion roller 10, extruder motor 1
With swing hold-down mechanism, swing hold-down mechanism and include drive component, the first swing arm 21, the second swing arm 22 and control the first swing arm 21
With the contrary reverse geometry of the second swing arm 22 moving direction, the first swing arm 21 and the second swing arm 22 specular are arranged, the first pendulum
, in fixed mount surface pivots, the first swing arm 21 is provided with the first pinch roller 210 for arm 21 and the second swing arm 22, and the second swing arm 22 is provided with second
Pinch roller 220, the first pinch roller 210 and the second pinch roller 220 are located at the both sides of extrusion roller 10.Two pinch rollers are by being pressed in strands
Extrusion roller 10 surface, extruder motor 1 rotates afterwards makes extrusion roller 10 rotate, thus driving strands to move, extrudes roller 10
Surface is provided 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 be located at the second swing arm 22 on puts, first end 212 and the second end 222 are fixed in spring 20 two ends.
Drive component includes slide bar 3, and slide bar 3 includes driving rolls 31 and controls slide bar 3 horizontal reciprocating sliding distance spacing
Groove 30, the first swing arm 21 is provided with the first abutting plate 213, and the lower end height of driving rolls 31 is less than the first abutting plate 213 and second
The height during level of abutting plate 223.Second swing arm 22 is provided with the second abutting plate 223, and the first swing arm 21 and the second swing arm 22 all turn
It is dynamically connected in fixed mount surface；
First abutting plate 213 end is provided with the first groove 214, and the second abutting plate 223 end is provided with the second groove 224, the
One groove 214 and the second groove 224 collectively form the arcuate groove being available for that driving rolls 31 embeds；
When driving rolls 31 embeds arcuate groove, the first swing arm 21 and the second swing arm 22 turn to the first abutting plate 213 and
Two abutting plates 223 flush, and the first pinch roller 210 is identical to the distance of extrusion roller 10 with the second pinch roller 220.
Double needle in the present embodiment extrudes control device when using, total three state：Left and right two ends all stop shape
State, left end discharge state, right-hand member discharge state.
The equal halted state in left and right two ends：As shown in Figure 4 and Figure 5, when driving rolls 31 is in arcuate groove, driving rolls
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 to abut plate 223 neat
Flat, the distance of the first pinch roller 210 of now the first swing arm 21 to extrusion roller 10, with the second pinch roller 220 of the second swing arm 22 to
The distance of extrusion roller 10 is identical, and strands all cannot be pressed on extrusion roller more than the diameter of strands, two pinch rollers by this distance
10 surfaces, extrusion roller rotates and strands cannot be driven to move.
Left end discharge state：As shown in Figure 6 and Figure 7, when whole wire feeder side shifting to the left, beat when wire feeder reaches 3D
The edge of print machine shell, shell is clashed in the left side of its slide bar 3, and slide bar 3 wire feeder relatively moves to the right, the drive on slide bar 3
Dynamic roller 31 equally moves right, and the second abutting plate of compression downwards, makes the second abutting plate along rotating shaft 221, occur the inverse time to the left
The small size rotation of pin, the second pinch roller 220 side shifting to the right, increase with the distance of extrusion roller 10, strands are not subject to the second pinch roller
220 and extrusion roller 10 pressure.
And in the presence of reverse geometry spring 10, due to the rotation of the second swing arm 22, compression spring 20, spring 20 is to the left
Side compression forces the first swing arm 21 that same slightly rotating counterclockwise occurs, and the first swing arm 21 rotates along rotating shaft 211, the first pinch roller
210 is close to extrusion roller 10, and strands are pressed between the first pinch roller 210 and extrusion roller 10, extrudes roller 10 afterwards
Rotate counterclockwise in the presence of extruder motor 1, strands are extruded from left side mouth.
Right-hand member discharge state：Identical with left side discharge state, be merely only slide bar 3 clash into shell when movement direction be to
Move left.Remaining runs and is mirror image with left end discharge state, does not therefore do the explanation of repetition herein.
Driving means in the present embodiment, are driven feeding, compact structure only with single motor, weight is low, become
This is also low, the moving influence of double shower nozzle wire feeders is told somebody what one's real intentions are, the scope of its movement is wider.
Embodiment 2：
Double needle as Fig. 8 to 12 extrudes control device, and its driving means not adopts the Mechanical Driven of 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 impact is not produced to the transverse shifting of wire feeder.
Double needle extrusion control device in the present embodiment, including fixed mount, extrusion roller 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 control the first swing arm 21 same second
The contrary reverse geometry of swing arm 22 moving direction, the first swing arm 21 and the setting of the second swing arm 22 specular, the first swing arm 21 He
Second swing arm 22 is slided in fixed mount surface, and the first swing arm 21 is provided with the first pinch roller 210, and the second swing arm 22 is provided with the second pinch roller
220, the first pinch roller 210 and the second pinch roller 220 are located at the both sides of extrusion roller 10.Two pinch rollers are by being pressed in extrusion by strands
Roller 10 surface, extruder motor 1 rotates afterwards makes extrusion roller 10 rotate, thus driving strands to move, extrudes roller 10 surface
It is provided with the broached-tooth design for increasing friction.
Reverse geometry includes fork 5, and drive component includes the driver element for controlling fork 5 pendulum angle, fork 5
Hinged first swing arm 21 in two ends and the second swing arm 22, the first swing arm 21 and the second swing arm 22 are equipped with and move back and forth for it
Limit sliding chutes 23, are provided with position-limiting unit in limit sliding chutes 23, position-limiting unit is fixed with fixed mount phase.
Driver element can be driven using cylinder, motor or other devices, because motor operation is reliable and stable, this reality
Apply preferred motor in example to be driven；Position-limiting unit can carry out spacing, therefore this reality using the various ways such as slide block, spacer pin
With not making restriction in new.
Stand-by motor 50 connects the middle part of fork 5, controls fork 5 rotating by stand-by motor 50, thus controlling first
The stroke of swing arm 21/ second swing arm 22, and then control the first pinch roller 210/ second pinch roller 220 to the spacing of extrusion roller 10.
In order to reduce volume, fork 5 is made to be close to fixed mount surface, since it is considered that fork 5 may stop strands
Pass through, therefore the through hole passing through for strands or groove are set on fork 5 surface.
Double needle extrusion control device in the present embodiment, when using, similarly has three state：Left and right two ends are all stopped
Only state, left end discharge state, right-hand member discharge state.
The equal halted state in left and right two ends：As shown in figure 9, when fork 5 is turned to level by stand-by motor 50, the first swing arm
21 and the second swing arm 22 mobile to identical position, the distance of the first pinch roller 210 of now the first swing arm 21 to extrusion roller 10,
Identical to the distance of extrusion roller 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 all cannot be pressed on extrusion roller 10 surface by wheel, and extrusion roller rotates and strands cannot be driven to move.
Left end discharge state：As shown in Figure 10, when stand-by motor 50 rotates counterclockwise, fork 5 left end moves down the right side
End moves up, and the first pinch roller 210 is compressed downwardly near extrusion roller 10, and strands are pressed in the first pinch roller 210 and extrusion
Between roller, the second pinch roller 220 lifts to upper right side, increases with the distance of extrusion roller 10, strands are not subject to the second pinch roller 220
With the pressure of extrusion roller 10, extrude roller 10 afterwards and rotate counterclockwise in the presence of extruder motor 1, by strands from left side
Mouth extrusion.
Right-hand member discharge state：Identical with left side discharge state, the rotation direction being merely only stand-by motor 50 is clockwise
Rotate.Remaining runs and is mirror image with left end discharge state, does not therefore 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 no affect so that whole moving left and right of wire feeder is not affected.Secondly, the control of stand-by motor 50 is accurate, and
And need not switch over as in switching right and left feeding, needing in embodiment 1 to move laterally through shock, permissible in the present embodiment
Freely switching right and left discharging, low noise are carried out by stand-by motor 50, and is hardly damaged.
The above makes preferred implementation of the present utility model, for the person of ordinary skill of the art without departing from
On the premise of this utility model principle, some modifications and improvement can also be made, these also should be regarded as protection of the present utility model
Scope.
Claims (4)
1. a kind of double needle extrudes control device, include fixed mount, extrude roller (10) and extruder motor (1) it is characterised in that：
Also include swing hold-down mechanism, described swing hold-down mechanism include drive component, the first swing arm (21), the second swing arm (22) and
Control the first swing arm (21) with the contrary reverse geometry of the second swing arm (22) movement/rotation direction, drive component is located at extrusion electricity
The front of machine (1), rear, above or below, the first swing arm (21) and the second swing arm (22) specular setting, the first swing arm
(21) and the second swing arm (22) is slided in fixed mount surface or is rotated, and described first swing arm (21) is provided with the first freely rotatable pressure
Wheel (210), the second swing arm (22) is provided with freely rotatable the second pinch roller (220), described first pinch roller (210) and the second pinch roller
(220) it is located at the both sides of extrusion roller (10)；
When described drive component controls the first swing arm (21) to rotate or mobile, first pinch roller (210) of the first swing arm (21) is away from crowded
Go out roller (10) distance to reduce, reverse geometry acts on the second swing arm (22) makes the second swing arm (22) rotate backward or mobile, the
Two pinch rollers (220) increase to extruding roller (10) distance.
2. double needle according to claim 1 extrusion control device it is characterised in that：Described drive component includes slide bar
(3), described slide bar (3) includes driving rolls (31) and controls slide bar (3) horizontal reciprocating sliding distance position-limit mechanism, and described first
Swing arm (21) is provided with the first abutting plate (213), and the lower end height of driving rolls (31) is less than the first abutting plate (213) and second and supports
The height during level of fishplate bar (223)；Second swing arm (22) is provided with the second abutting plate (223), the first swing arm (21) and the second swing arm
(22) all it is rotationally connected with fixed mount surface；
When driving rolls (31) abuts plate (213) to first and moves, the first swing arm (21) is to driving rolls (31) moving direction
Opposite direction rotate, the first pinch roller (210) with extrusion roller (10) spacing increase；Second swing arm (22) is in the effect of reverse geometry
Lower edge driving rolls (31) moving direction rotates, and the second pinch roller (220) is reduced with extrusion roller (10) spacing.
3. double needle according to claim 2 extrusion control device it is characterised in that：Described first abuts plate (213) end
End is provided with the first groove (214), and the second abutting plate (223) end is provided with the second groove (224), described first groove (214) and
Second groove (224) collectively forms the arcuate groove being available for that driving rolls (31) embeds；
When described driving rolls (31) embeds arcuate groove, the first swing arm (21) and the second swing arm (22) turn to the first abutting plate
(213) and the second abutting plate (223) flushes, and the first pinch roller (210) and the second pinch roller (220) are to the distance phase extruding roller (10)
With.
4. double needle according to claim 2 extrusion control device it is characterised in that：Described reverse geometry includes elastic component
(20) with for the fixing end of elastic component, described end includes first end (212) and the second end (222), first end
(212) it is located in the first swing arm (21), the second end (222) is located in the second swing arm (22), and elastic component (20) two ends are fixed on
First end (212) and the second end (222).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620685526.2U CN205970005U (en) | 2016-06-28 | 2016-06-28 | Controlling means is extruded to duplex head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620685526.2U CN205970005U (en) | 2016-06-28 | 2016-06-28 | Controlling means is extruded to duplex head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205970005U true CN205970005U (en) | 2017-02-22 |
Family
ID=58023043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620685526.2U Expired - Fee Related CN205970005U (en) | 2016-06-28 | 2016-06-28 | Controlling means is extruded to duplex head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205970005U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106003727A (en) * | 2016-06-28 | 2016-10-12 | 杭州铭展网络科技有限公司 | Double-needle-head extrusion control device |
| CN115091750A (en) * | 2022-07-13 | 2022-09-23 | 深圳市创想三维科技股份有限公司 | Double-nozzle device and 3D printing equipment |
-
2016
- 2016-06-28 CN CN201620685526.2U patent/CN205970005U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106003727A (en) * | 2016-06-28 | 2016-10-12 | 杭州铭展网络科技有限公司 | Double-needle-head extrusion control device |
| CN106003727B (en) * | 2016-06-28 | 2018-07-03 | 杭州铭展网络科技有限公司 | Double needle squeezes out control device |
| CN115091750A (en) * | 2022-07-13 | 2022-09-23 | 深圳市创想三维科技股份有限公司 | Double-nozzle device and 3D printing equipment |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20200628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |