CN206690551U - A kind of 3D printer magnetic linking arm - Google Patents
A kind of 3D printer magnetic linking arm Download PDFInfo
- Publication number
- CN206690551U CN206690551U CN201720301858.0U CN201720301858U CN206690551U CN 206690551 U CN206690551 U CN 206690551U CN 201720301858 U CN201720301858 U CN 201720301858U CN 206690551 U CN206690551 U CN 206690551U
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- China
- Prior art keywords
- sphere
- magnet
- sliding block
- linking arm
- printer
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Abstract
The utility model discloses a kind of linking arm of 3D printer, particularly a kind of 3D printer magnetic linking arm, belong to 3D printer engineering device technique field；The device includes multiple sliding blocks match with sliding rail on the 3D printer and is provided with shower nozzle for the connecting plate that prints, the sliding block is connected with connecting plate by parallel arm, opened up on the sliding block and connecting plate fluted, sphere magnet is installed in the groove, the sphere magnet is fixed by sphere pressing plate, parallel arm is provided at both ends with can be by the bulb of magnet adsorption, and the bulb is embedded on the inside of sphere magnet sphere and rotatable；Which solves conventional 3D printer linking arm to there is the problem of stuck situation of equipment bending occurs or distorted, and is realized by the way of ferromagnetism connection and is disconnected in certain situation Automatic-falling so as to protect linking arm.
Description
Technical field
A kind of linking arm of 3D printer is the utility model is related to, particularly a kind of 3D printer magnetic linking arm, is belonged to
3D printer engineering device technique field.
Background technology
3D printing technique is a kind of rapid prototyping ＆ manufacturing technology fast-developing in recent years, and it is using computer technology as base
Plinth, it is discrete by the layering to physical model, and the modes such as high energy laser beam, hot melt nozzle are utilized by metal, ceramic powders, modeling
The material such as material and cell tissue is successively accumulated molding bonded.At present, main two kinds of 3D printer frame common form, respectively
For Cartesian coordinate type and Delta forms, wherein it is fast to possess print speed for Delta formulas 3D printer, and it is big to can print moulded dimension
The characteristics of, thus using relatively broad.Driving of the Delta3D printers to printhead is using the form of parallel arm, generally use
Flake bearing is connected with screw with body, to meet printhead in space movement requirement, yet with employing mode connects for screw, and
Joint arm is only capable of rotating, and when mistake occurs in drive software, it is stuck to may result in parallel arm, and parallel arm bending may be made when serious
Damage, therefore, it is necessary to design a kind of flexible connected mode, it is being disconnected automatically when drive software occurs wrong and
Joint arm, to avoid damaging equipment.
The content of the invention
Goal of the invention of the present utility model is：For above-mentioned problem, there is provided a kind of magnetic of 3D printer connects
Arm is connect, is connected using magnetic, after drive software malfunctions, when causing parallel arm stuck, when external forces are more than magnetic attraction
When, you can it is automatic to disconnect, the phenomenon of parallel arm bending is avoided, extends the usage time of equipment.
The technical solution adopted in the utility model is as follows：
A kind of 3D printer magnetic linking arm, including multiple sliding blocks matched with sliding rail on the 3D printer and
Be provided with shower nozzle be used for print connecting plate, the sliding block is connected with connecting plate by parallel arm, on the sliding block and connecting plate
Open up fluted, sphere magnet is installed, the sphere magnet is fixed by sphere pressing plate, and parallel arm both ends are set in the groove
Being equipped with can be by the bulb of magnet adsorption, and the bulb is embedded on the inside of sphere magnet sphere and rotatable.
A kind of 3D printer magnetic linking arm of the present utility model, magnetic is fixed by the way of sphere magnet is set in groove
Iron, and the mode being adsorbed using parallel arm both ends is attached.It can not only make to link up between connecting plate and sliding block,
And can also occur stuck state external forces be more than sphere magnet magnetic attraction when, junction automatically disengages, from
And parallel arm is protected not to be broken off or deform.
A kind of 3D printer magnetic linking arm of the present utility model, the sphere magnet inner side sphere and sphere pressing plate inner side
Contact of a curve after sphere and the isometrical concentric and bulb insertion of bulb with sphere, sphere magnet inner side sphere on the inside of sphere pressing plate.
Which can ensure that the contact between bulb and sphere magnet contacts for face, ensure that magnet to the active force of bulb, avoids
Rise or occur as soon as situation about coming off during declining.
Further, 2 sphere magnet are provided with the sliding block, connecting plate is provided with corresponding 2 sphere magnet.
The active force of magnet can be further ensured that with which, while avoids a wherein parallel arm from influenceing machining accuracy after coming off, is carried
Supply necessarily to set aside some time, made staff's timely processing abnormal.
Further, the distance of center circle of 2 sphere magnet is equal to corresponding same group of 2 spheres on connecting plate on the sliding block
The distance of center circle of magnet.One group of parallel arm parallelogram can be made using this mode, with ensure shower nozzle can stablize progress
Positioning.
A kind of 3D printer magnetic linking arm of the present utility model, the sliding block are 3, open up on each sliding block one group it is recessed
Groove, connecting plate offer 3 groups of grooves for being used to be connected with sliding block.Just practicality can be met with this mode, form the fortune in 3-dimensional space
It is dynamic.
Further, the sliding block is contour is equally positioned on same plane.Using this mode space angle into 120 °, stress
Uniformly, to promote the stabilization of equipment.
A kind of 3D printer magnetic linking arm of the present utility model, the bulb are provided with internal thread, set on parallel arm
There is corresponding external screw thread, bulb is connected through a screw thread with parallel arm.Using this mode can preferably maintained equipment, and can be with
Using two kinds of materials, so as to gently change quality.
Further, parallel arm is additionally provided with for fixed fixing glue with bulb junction.Using this mode in order to keep away
Exempt from During Process of Long-term Operation, the loosening of bulb connection screw thread.
A kind of 3D printer magnetic linking arm of the present utility model, attachment screw is additionally provided with the sphere pressing plate, lead to
Cross attachment screw to be fixedly connected with a slide block, for fixing sphere magnet.Realize that readily removable mode is advantageous to the replacing of widget.
Further, the attachment screw is sunk screw.It can be avoided to interfere the motion of bulb.
A kind of 3D printer magnetic linking arm of the present utility model, the sphere magnet use rare-earth magnet.With possess compared with
Strong magnetic attraction.
Further, the rare-earth magnet is ndfeb magnet.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
1st, solves conventional 3D printer linking arm for 3D printer magnetic linking arm using one kind of the present utility model
There is the problem of stuck situation of equipment bending occurs or distorted, realized by the way of ferromagnetism connection certain
Situation Automatic-falling disconnect so as to protecting linking arm；
2nd, a kind of 3D printer magnetic linking arm that is used for of the present utility model is using 2 sphere magnetic of setting on single sliding block
Iron, and be connected using two parallel arms with connecting plate, not only ensure the active force connected between connecting plate and sliding block, while
Be easy to a wherein parallel arm occur coming off will not cause printed product precision it is low the problem of；
3rd, a kind of sphere magnet on 3D printer magnetic linking arm sliding block of the present utility model passes through sphere pressing plate
It is pressed on sliding block, sphere pressing plate, sphere magnet and the bulb on parallel arm, three is concentric with footpath, and sphere pressure
Plate, the hemispherical curve of sphere magnet are tangent, meanwhile, attachment screw uses sunk screw, and it can be avoided to interfere the motion of bulb；
4th, it is of the present utility model a kind of for being provided with three groups on 3D printer magnetic linking arm connecting plate correspondence position, sky
Between angle into 120 °, totally six spherical magnets, and on sliding block the distance of center circle of two sphere magnet be equal to it is same on shower nozzle connecting plate
The distance of center circle of group sphere magnet, two parallel arms are parallel, collectively form parallel-crank mechanism, to ensure what shower nozzle can be stably
Positioned.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model front view；
Fig. 2 is the structural representation of the utility model top view；
Fig. 3 is the sectional view of sphere magnet；
Fig. 4 is the sectional view of sphere pressing plate.
Marked in figure：1- sliding blocks, 2- spheres magnet, 3- spheres pressing plate, 4- attachment screws, 5- bulbs, 6- parallel arms, 7- connect
Fishplate bar.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Embodiment
A kind of 3D printer magnetic linking arm, as shown in Figures 1 and 2, including it is multiple be arranged on 3D printer on and slip
The sliding block 1 of Orbit Matching and be provided with shower nozzle be used for print connecting plate 7, sliding block 1 is connected with connecting plate 7 by parallel arm 6, institute
State and open up fluted on sliding block 1 and connecting plate 7, sphere magnet 2 is installed, sphere magnet 2 is solid by sphere pressing plate 3 in groove
Fixed, parallel arm 6 is provided at both ends with can be by the bulb 5 of magnet adsorption, and the bulb 5 is embedded in the inner side sphere of sphere magnet 2 and can
Rotate.
In present embodiment, in the running, sliding block 1 moves up and down 3D printer in orbit according to the parameter of setting, by
It is connected in sliding block 1 with connecting plate 7 by parallel arm 6, so as to drive connecting plate 7 to move up and down.Meanwhile using sphere magnet 2 with
The cooperation of bulb 5, the bulb 5 can rotate, and connecting plate 7 can move up and down in sustained height and be printed.Once because of journey
There is stuck situation in sequence or other extraneous factors, and the design method connects using magnetic, when active force is more than magnetic
During power, the junction automatically disengages disconnection, the problem of so as to avoid the occurrence of parallel arm torsional deformation, or even fracture.
Specifically, as shown in Figures 3 and 4, the one side of sphere magnet 2 is circular cambered surface, and phase is also equipped with sphere pressing plate 3
Corresponding circular cambered surface.
In the design basis of above-mentioned embodiment, in a wherein embodiment, the inside ball of sphere magnet 2
Face is isometrical concentric with the inner side sphere of sphere pressing plate 3 and bulb 5 and bulb 5 be embedded in after with the inner side sphere of sphere pressing plate 3, sphere magnet
The contact of a curve of 2 inner side spheres.Ability which is advantageous to the insertion of bulb 5, beneficial to rotation of the bulb 5 in sphere magnet 2,
Increase the contact surface between bulb 5 and sphere magnet 2 simultaneously, be advantageous to increase the attraction of magnet.
The design of single parallel arm has the defects of certain in certain design, once occurring abnormal, junction comes off meeting
Cause printing failure or precision defect, then, in another embodiment, 2 sphere magnetic are provided with the sliding block 1
Iron 2, connecting plate 7 are provided with corresponding 2 sphere magnet 2.It is each sliding block 1 by 2 parallel arms 6 using which and connects
Fishplate bar 7 connects.The design method can avoid the occurrence of the problem of coming off, and increase the bearing capacity of junction, when one of them
The problem of parallel arm comes off can possess good buffer time.
In order that 2 parallel arms 6 are modeled as 1 during work, and in a wherein embodiment, sliding block 1
The distance of center circle of upper 2 sphere magnet 2 is equal to the distance of center circle of corresponding same group of 2 sphere magnet 2 on connecting plate 7.Just with this side
2 parallel arms 6 of formula one group can be parallel to each other always.Parallelogram is formed by sliding block 1, connecting plate 7 and parallel arm.
Because 3D printer is to make three-dimensional objects, and connecting plate needs to move in space all angles, then to realize
The function needs 3 sliding blocks, and 3 groups of parallel arms, in another embodiment, sliding block 1 is 3, is opened on each sliding block 1
If one group of groove, connecting plate 7 offers 3 groups of grooves for being used to be connected with sliding block 1.Certainly, if the not high situation of required precision
Under can also be 2.And it is used as specifically, 1 group of groove is 2, as 3 sliding blocks, 3 groups of grooves, 3 groups of parallel arms.
On the basis of above-mentioned embodiment, one group of groove is not that limitation is opened on a sliding block yet, another
In embodiment, sliding block 1 is 6, and each two sliding block 1 is one group, and a groove is opened up on sliding block, and parallel arm is 6.Its
Action effect is still equal to above-mentioned embodiment.
In order to ensure connecting plate in same level, it is equally positioned in specifically, sliding block 1 is contour on same plane.
Parallel arm needs lightization of being tried one's best to its quality on certain hardness is ensured, due to this reason, another specific real
Apply in mode, bulb 5 is provided with internal thread, and corresponding external screw thread is provided with parallel arm 6, and bulb 5 passes through screw thread with parallel arm 6
Connection.Bulb 5 can be made of iron, and parallel arm 6 is made of the material of hard, such as Carbon fibe, alloy in lightweight etc. are equal
Can.Because the situation of thread looseness occurs in long-term use, therefore, for this phenomenon, it is necessary to be coated in junction for fixing
Fixing glue.
It is used to fix sphere magnet 2 in sphere pressing plate 3, attachment screw 4 is additionally provided with sphere pressing plate 3, passes through connection
Screw 4 is fixedly connected with sliding block 1 for fixing sphere magnet 2.An aperture is opened up on sphere pressing plate 3, attachment screw 4 is logical
Small holes are fixed on the slider 1, so as to fixed sphere magnet.Specifically, in order to not influence the rotation of bulb 5, one has wherein
In body embodiment, attachment screw 4 is sunk screw.
In view of when be attached using magnetic force, then, sphere magnet 2 uses rare-earth magnet.This kind of magnet magnetic force effect
Fruit is preferable, common typically to use ndfeb magnet.
In summary, solves conventional 3D printer for 3D printer magnetic linking arm using one kind of the present utility model
Is there is the problem of stuck situation of equipment bending occurs or distorted in linking arm, and is realized by the way of ferromagnetism connection
Disconnected in certain situation Automatic-falling so as to protect linking arm.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
- A kind of 1. 3D printer magnetic linking arm, it is characterised in that：It is arranged on including multiple on 3D printer and sliding rail The sliding block matched somebody with somebody（1）Be provided with shower nozzle be used for print connecting plate（7）, the sliding block（1）With connecting plate（7）Pass through parallel arm （6）Connection, the sliding block（1）And connecting plate（7）On open up fluted, sphere magnet is installed in the groove（2）, the ball Face magnet（2）Pass through sphere pressing plate（3）It is fixed, parallel arm（6）Being provided at both ends with can be by the bulb of magnet adsorption（5）, the ball Head（5）It is embedded in sphere magnet（2）Inner side sphere and rotatable.
- A kind of 2. 3D printer magnetic linking arm as claimed in claim 1, it is characterised in that：The sphere magnet（2）Inner side Sphere and sphere pressing plate（3）Inner side sphere and bulb（5）Isometrical concentric and bulb（5）After insertion with sphere pressing plate（3）Inside ball Face, sphere magnet（2）The contact of a curve of inner side sphere.
- A kind of 3. 3D printer magnetic linking arm as claimed in claim 1, it is characterised in that：The sliding block（1）On be provided with 2 Individual sphere magnet（2）, connecting plate（7）2 sphere magnet corresponding to being provided with（2）.
- A kind of 4. 3D printer magnetic linking arm as claimed in claim 3, it is characterised in that：The sliding block（1）Upper 2 spheres Magnet（2）Distance of center circle be equal to connecting plate（7）Same group of 2 sphere magnet corresponding to upper（2）Distance of center circle.
- A kind of 5. 3D printer magnetic linking arm as claimed in claim 1, it is characterised in that：The sliding block（1）For 3, often Individual sliding block（1）On open up one group of groove, connecting plate（7）3 groups are offered to be used for and sliding block（1）The groove of connection.
- A kind of 6. 3D printer magnetic linking arm as claimed in claim 5, it is characterised in that：The sliding block（1）It is contour equidistant It is in the same plane.
- A kind of 7. 3D printer magnetic linking arm as claimed in claim 1, it is characterised in that：The bulb（5）In being provided with Screw thread, parallel arm（6）On be provided with corresponding external screw thread, bulb（5）With parallel arm（6）It is connected through a screw thread.
- A kind of 8. 3D printer magnetic linking arm as claimed in claim 1, it is characterised in that：The sphere pressing plate（3）It is upper to go back It is provided with attachment screw（4）, pass through attachment screw（4）It is fixedly connected with sliding block 1, for fixing sphere magnet（2）.
- A kind of 9. 3D printer magnetic linking arm as claimed in claim 7, it is characterised in that：The attachment screw（4）It is heavy Head screw.
- A kind of 10. 3D printer magnetic linking arm as claimed in claim 1, it is characterised in that：The sphere magnet（2）Using Rare-earth magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720301858.0U CN206690551U (en) | 2017-03-27 | 2017-03-27 | A kind of 3D printer magnetic linking arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720301858.0U CN206690551U (en) | 2017-03-27 | 2017-03-27 | A kind of 3D printer magnetic linking arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206690551U true CN206690551U (en) | 2017-12-01 |
Family
ID=60443929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720301858.0U Expired - Fee Related CN206690551U (en) | 2017-03-27 | 2017-03-27 | A kind of 3D printer magnetic linking arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206690551U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366988A (en) * | 2018-11-22 | 2019-02-22 | 哈尔滨理工大学 | A kind of 3D printer transmission device of lower-mobility parallel-connection structure |
| CN110653847A (en) * | 2018-06-29 | 2020-01-07 | 新加坡国立大学 | Magnetic spherical hinge joint and reconfigurable robot based on same |
| DE102022213565A1 (en) | 2022-12-13 | 2024-06-13 | Stellantis Auto Sas | Safe robot for testing a vehicle touchscreen |
-
2017
- 2017-03-27 CN CN201720301858.0U patent/CN206690551U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110653847A (en) * | 2018-06-29 | 2020-01-07 | 新加坡国立大学 | Magnetic spherical hinge joint and reconfigurable robot based on same |
| CN109366988A (en) * | 2018-11-22 | 2019-02-22 | 哈尔滨理工大学 | A kind of 3D printer transmission device of lower-mobility parallel-connection structure |
| DE102022213565A1 (en) | 2022-12-13 | 2024-06-13 | Stellantis Auto Sas | Safe robot for testing a vehicle touchscreen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 Termination date: 20210327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |