CN205888549U - Slowly, parallelly connected structure three -dimensional inkjet printer of fast little power energetically - Google Patents
Slowly, parallelly connected structure three -dimensional inkjet printer of fast little power energetically Download PDFInfo
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- CN205888549U CN205888549U CN201620654003.1U CN201620654003U CN205888549U CN 205888549 U CN205888549 U CN 205888549U CN 201620654003 U CN201620654003 U CN 201620654003U CN 205888549 U CN205888549 U CN 205888549U
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- dimensional printer
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Abstract
Slowly, parallelly connected structure three -dimensional inkjet printer of fast little power energetically includes: spooler (dot in the picture), transmit tensile rope (the line that links to each other with the dot) and cradle (the grey is regional in the picture) in the picture, still include the frame and beat printer head. The utility model discloses a length of control string obtains the different spatial position and the gesture of cradle, its characterized in that wholly adopts the asymmetrical structure that connects in parallel, and the spooler is all fixed in the frame, a moment of torsion is big that the motor rotation number of spooler power is complete the same, and the moment of torsion is also complete the same, and the fast moment of torsion of rotational speed is little, and the rotational speed is slow is provided. The beneficial effects of the utility model are that: realized that a motor and mechanical cost are low, the printing scope is big, and bearing force is strong, supports better three -dimensional inkjet printer to full -color printing.
Description
Technical field
This utility model is mainly used in 3 D-printing field it can also be used to general Digit Control Machine Tool manufactures field.
Background technology
The frame for movement of three-dimensional printer is series connection mostly at present, next to that symmetric parallel.
Fig. 1 is the schematic diagram of cascaded structure three-dimensional printer.The three-dimensional printer of cascaded structure is current using the most extensive
Three-dimensional printer.Its principle is in x, and on y, z direction, respectively by independent Motor drive, structure is simple, convenient research and development.
The three-dimensional printer of cascaded structure, has load parasitic problems.In figure, x-axis motor 3 has become the negative of z-axis motor 1 and 2
Carry, the object 7 being printed, become the load of y-axis motor 5.
When the size of this printer does big, x-axis slide rail 8 is it is also desirable to elongated, thicker, but x-axis slide rail 8 is z-axis electricity
The load of machine 1 and 2.In the case that power of motor is certain it is impossible to unconfined increase x-axis print range.Because similar
Problem, whole equipment all cannot be done greatly.
When printhead 4 becomes weight, x-axis slide rail 8 needs overstriking, and the load of z-axis motor 1 and 2 is consequently increased.So this
The weight planting printer port of printer is also limited.
This printer needs sliding-rail sliding and screw mandrel, and these all can increase machine cost.And machinery is not as electronics and produces
Product are the same, drop in price very fast.Machine cost is than the great fast development seriously hindering three-dimensional printer.
The printer of this structure supports that full-color printing is more difficult.
The maximum feature of symmetrical parallel-connection structure three-dimensional printer is: the corresponding machinery of each motor is just as
, whole equipment is also symmetrical.In this three-dimensional printer, most typical is exactly delta (delta) three-dimensional printer,
As shown in Figure 2.Its principle is: according to the position of currently required printhead, calculate the height of each support bar end points, further according to
The height of strut end points, calculates the driving data of motor.
First, the load-bearing capacity of delta three-dimensional printer is poor, so typically adopting far-end wire feed.
Secondly, for larger-size equipment, bar needs to be made thin long, and in order to ensure the support force of bar, bar will be made
Very thick；The own wt of bar therefore increases, and the mechanical efficiency leading to equipment will be low.So also limit, delta 3 D-printing
The increase of machine size.
Again, delta three-dimensional printer equally exists, the heavy problem of machine cost.
Finally, delta three-dimensional printer does not typically support full-color printing.
Content of the invention
The three-dimensional printer of this utility model description, the electricity that the motor cost being used uses less than common three-dimensional printer
Machine, machine cost is low, and the ratio that machine cost accounts for whole machine cost is little；Print range there is no restriction；Its load capacity is strong,
Degree of freedom is many, and future can develop into full-color three-dimensional printer.
In general, motor cost becomes positive variation relation with its output.On the premise of ensureing performance, Ke Yitong
Cross reduction power of motor cost-effective.During 3 D-printing, printhead mainly moves in the horizontal direction, vertically side
It is not very frequent for moving up.This utility model will be responsible for the motor of printhead horizontal direction movement and vertical direction moves accordingly
Motor separately, the position of this two classes motor is asymmetric.Because power is the product of speed and strength, speed and strength has one
Keep less value, power of motor avoids the need for very big.So as to select cheap low-power motor, cost-effective.It is responsible for
The motor of movement in printhead horizontal direction, rotating speed is fast, and moment of torsion is little；The motor of movement, rotating speed on responsible printhead vertical direction
Slowly, moment of torsion is big.Because the Motor torque being responsible for movement on printhead vertical direction is big, the load-bearing capacity of printer is good, is
Extend full-color printing to get ready later.
In order to save machine cost, this utility model is driven pulling force only with rope.The pulling force of rope comes from by electricity
The bobbin winoler that machine drives.This utility model is it is not necessary to sliding-rail sliding or screw mandrel.Eliminate nearly all costly machinery dress
Put.Machine cost ratio is very low.Because a complete set of equipment only has pulling force to pull printhead, there is no thrust, thus contrary at two
The movement of printhead is realized on direction it is necessary to double motor.This is accomplished by the complexity that control software is done.Because the nothing of software
Limit reproducibility, the complexity of software, equipment cost can't be significantly increased.Because actuating device of the present utility model, only
There is drawstring, so equipment can be made thin big, print range even can accomplish the size of building.
This utility model passes through complicated algorithm, and the length controlling rope is so that printhead not only can be on xyz direction
Mobile, can also rotation on xyz direction.Full-color 3 D-printing: printing consumables nozzle and three primary colours thus can be supported
From black pigment nozzle towards different directions, print heads rotatable, allow and be currently at the nozzle of working condition straight down, and position
Minimum.Using rotation, the processing of 6DOF lathe subtraction can also be realized.
It can be seen that this utility model is a kind of motor and machine cost is low, print range is big, and load capacity is strong, to full-color printing
Support preferable three-dimensional printer.
Brief description
Fig. 1 is the printer of the three-dimensional of cascaded structure.Wherein 1 and 2 is two z-axis motors, and 3 is x-axis motor, and 5 is y-axis
Motor.4 is printhead, and 8 is x-axis guide rail.7 is the object being printed.
Fig. 2 is delta (delta) three-dimensional printer.Wherein, oblique line is bar, transmits mechanical force.Arrow side is bar
End.Vertical curve is the moving range of the end of bar.Article three, the intersection point of oblique line is the position installing printhead.
Fig. 3 is the frame for movement schematic diagram of three-dimensional printer described in the utility model.In figure 1,2,3,4,5,6,7,8,
9th, 10,11,12,13,14,15 and 16 is bobbin winoler, and the straight line being connected with bobbin winoler all represents the rope of transmission pulling force.Bobbin winoler
1st, the moment of torsion of 2,3 and 4 motor is maximum；5th, 6,7,8,9,10,11 and 12 are placed in the middle；13rd, 14,15 and 16 is minimum.17 is cradle, 18
(diagonal line hatches) are the horizontal anomalous movement scope of cradle under present level.
Fig. 4 is the schematic diagram realizing " home " function using photographic head and scaling board.In figure 1 is coloud coding scaling board,
2 is cradle, 3 photographic head.
Specific embodiment
Below in conjunction with the accompanying drawings the technical solution of the utility model is described it is obvious that described by accompanying drawing be only
A part of the present utility model rather than whole embodiments.
As shown in figure 3, this utility model includes: bobbin winoler (in figure round dot), rope (in figure and the round dot phase of transmission pulling force
Line even) and cradle (in figure gray area), also include frame and printhead.
When cradle moves horizontally, in order to reduce the rotation of upper strata motor, upper strata motor is located at higher position, and (in figure is pitch black
The point of color), in this utility model, cradle when the center of its moving range, apart from about 1.5 meters of the superiors' motor, and
The horizontal moving ranges of cradle only have 240 millimeters；So, during cradle rapid horizontal, it is very slow that upper strata motor turns.By subtracting
Fast case, upper strata bobbin winoler can export larger pulling force, thus obtaining larger load-carrying energy on the premise of power of motor is constant
Power.The motor only 3w that this utility model uses, more than 3 kilograms of load-carrying.Certainly, the three-dimensional printer of this utility model description,
When in the vertical direction is mobile, speed is slower.
When cradle moves horizontally, in order to increase its translational speed, the bobbin winoler (point of in figure black) in intermediate layer has higher
Rotating speed.Just look like cradle in life or swing is the same, the crable in this utility model moves horizontally resistance very little.Institute
With the motor output torque of this layer and less.During drivers design, need in view of acceleration.Such as, cradle walks out one
During individual line segment, near two end points of line segment, its translational speed is slower, and near the centre of line segment, its translational speed is very fast.
For another example, when a circle linearly walked out by cradle, the maximum centripetal force providing according to rope is provided, calculates the angle of rotation of maximum
Speed.The height of this layer of bobbin winoler, positioned at the immediate vicinity printing altitude range.In addition it is also necessary to consider during drivers design
Angular acceleration, such as cradle around z-axis rotate an angle when, start that rotation is relatively slow, then angular velocity of rotation is gradually increased, to rotation
At the end of turning fast, angular velocity is gradually lowered to zero.
Lower floor's motor, can be using the less motor of moment of torsion because the help of the weight of cradle itself.In order to ensure relatively
Larger print range, the corresponding rope of this layer of bobbin winoler, viewed from above, it is outwards oblique, which results in its speed will
Ask higher.
By complicated algorithm, control the length of rope, to realize movement on cradle x, y, z direction and around x, y, z axle
Rotation.
Preferably, using the topology in schematic diagram in this example, but topological structure can also be changed, as long as pulling force is relatively
Big motor speed is slower, the motor of speed, and pulling force is less.
Preferably, 16 motors of this example, have found a kind of flat in the contradiction of printer size and print range
Weighing apparatus.The motor of other quantity can also be used, the more print ranges of motor are closer to printer size；Motor is fewer, prints model
Enclose more little than printer size.
Preferably, this example is using the motor of different speed reducing ratio.Actually, it is possible to use the electricity of same speed reducing ratio
Machine.In this case although device fabrication cost can not be saved；But the electric energy rotating slower electrical consumption is less, thus
Save power consumption when printing.
Preferably, the cradle of this example has 6 degree of freedom, but can be simplified to less degree of freedom, such as cradle
Can movement can not rotate, now only 3 degree of freedom.
The so-called home of three-dimensional printer refers to, after electricity just gone up by printer, the position of printhead when obtaining last time power-off
.For the printer of cascaded structure, home function can be realized simply by touching switch, the printer of delta structure because
Relatively independent for three motors, so home functional realiey mode is also similar to.For this utility model, because the driving side of motor
Formula is related with attitude with the current spatial location of cradle, so the position and attitude information of current cradle must be obtained.This function,
This example is the photographic head and the coloud coding scaling board realization being fixed on frame top by being arranged on cradle.According to
Imaging on photographic head for the scaling board, obtains photographic head with respect to the locus of scaling board and attitude, is then convert into cradle
Locus and attitude with respect to frame；Position according to current cradle and attitude information, driving cradle to home position,
Reduce motor pulling force afterwards, only strain all of rope.If during tightening up a rope, cradle position and attitude become
Change, need again to drive cradle to home position according to above-mentioned steps.
Claims (10)
1. slow little power parallel-connection structure three-dimensional printer soon energetically, includes bobbin winoler, the rope transmitting pulling force and cradle, also includes machine
Frame and printhead are it is characterised in that overall adopt asymmetric parallel-connection structure.
2. according to claim 1 slow energetically soon little power parallel-connection structure three-dimensional printer it is characterised in that all coilings
The position of device is fixed.
3. according to claim 1 slow energetically soon little power parallel-connection structure three-dimensional printer it is characterised in that providing coiling
The motor speed of device power is not all the same, and moment of torsion is also not all the same, and the fast moment of torsion of rotating speed is little, and the slow moment of torsion of rotating speed is big.
4. according to claim 3 slow energetically soon little power parallel-connection structure three-dimensional printer it is characterised in that heavy burden motor
Rotating speed is slow, and moment of torsion is big.
5. according to claim 3 slow energetically soon little power parallel-connection structure three-dimensional printer it is characterised in that being responsible for level
The motor of movement, rotating speed is fast, and moment of torsion is little.
6. according to claim 1 slow energetically soon little power parallel-connection structure three-dimensional printer it is characterised in that heavy burden motor
Position, exceeds cradle position, more than 3 times of print range.
7. according to claim 1 slow energetically soon little power parallel-connection structure three-dimensional printer it is characterised in that transmission power
Machinery only have drawstring.
8. according to claim 1 slow energetically soon little power parallel-connection structure three-dimensional printer it is characterised in that cradle is movable
There are 6 degree of freedom.
9. according to claim 1 slow energetically soon little power parallel-connection structure three-dimensional printer it is characterised in that cradle translation
Limited by acceleration, cradle rotates and limited by angular acceleration.
10. according to claim 1 slow energetically soon little power parallel-connection structure three-dimensional printer it is characterised in that by peace
The position that when photographic head being contained on cradle obtains last time power-off with the coloud coding scaling board being fixed on frame top, cradle stops
Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620654003.1U CN205888549U (en) | 2016-06-28 | 2016-06-28 | Slowly, parallelly connected structure three -dimensional inkjet printer of fast little power energetically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620654003.1U CN205888549U (en) | 2016-06-28 | 2016-06-28 | Slowly, parallelly connected structure three -dimensional inkjet printer of fast little power energetically |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108575871A (en) * | 2018-03-16 | 2018-09-28 | 黄裕年 | A kind of efficient living water production apparatus used for aquiculture |
| CN109016494A (en) * | 2018-10-17 | 2018-12-18 | 云南三帝科技有限公司 | Suspension type 3D printer transmission mechanism |
-
2016
- 2016-06-28 CN CN201620654003.1U patent/CN205888549U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108575871A (en) * | 2018-03-16 | 2018-09-28 | 黄裕年 | A kind of efficient living water production apparatus used for aquiculture |
| CN109016494A (en) * | 2018-10-17 | 2018-12-18 | 云南三帝科技有限公司 | Suspension type 3D printer transmission mechanism |
| CN109016494B (en) * | 2018-10-17 | 2024-04-02 | 云南三帝科技有限公司 | Transmission mechanism of suspension type 3D printer |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |