CN206796549U - A kind of cartridge type 3D printer suitable for the printing of round object - Google Patents
A kind of cartridge type 3D printer suitable for the printing of round object Download PDFInfo
- Publication number
- CN206796549U CN206796549U CN201720719232.1U CN201720719232U CN206796549U CN 206796549 U CN206796549 U CN 206796549U CN 201720719232 U CN201720719232 U CN 201720719232U CN 206796549 U CN206796549 U CN 206796549U
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- China
- Prior art keywords
- printing
- seat
- belt
- cartridge type
- stepper motor
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Abstract
The utility model discloses a kind of cartridge type 3D printer suitable for the printing of round object, including bottom plate, upper ring and column, motor-driven screw mandrel is installed on the bottom plate, the printing pedestal of fall block seat driving is provided with the screw mandrel；Slidable fleeting tackle seat is installed on the upper ring, two horizontal optical axises are fixed between the symmetrical fleeting tackle seat, the nozzle mounting seat of printing head is provided with the optical axis, it is provided with above the optical axis and slides stepper motor and extruder, the slip stepper motor drives belt by belt driving wheel and belt slave wheel, so as to drive printing head.By being cartridge type by the printer setup, the print position determined with polar coordinates, when printing round, circumferentially continuously printed with certain polar equation formula, reduce and the possibility of flaw occur because discontinuous, setting time differs greatly, solve round in the prior art and print incoherent problem.
Description
Technical field
It the utility model is related to 3D printing apparatus field, more particularly to printing circle or the 3D printing equipment of cylindrical object
Field, it is a kind of cartridge type 3D printer suitable for the printing of round object specifically.
Background technology
3D printing technique appears in mid-term the 1990s, actually using the technology such as photocuring and ply of paper be folded most
New rapid molding device.3D printer and normal printer operation principle are essentially identical, and simply printed material is somewhat different, printing
Machine after being connected with computer, is controlled by computer and " printed material " is folded from level to level built with liquid or powder etc. " printed material "
Add up, the blueprint on computer is finally become in kind.This printing technique is referred to as 3D three-dimensional printing technologies.Existing 3D printing
Machine is axially moved by X, Y, Z tri- to determine the length of object, so as to build threedimensional model, but for disc,
The 3D printing of the rounds such as cylinder, annular, tubular does not have advantage.Existing triple axle printer is in printing circle or cylinder
When, when can only start to print successively by the closest approach of the coordinate of print position distance zero, therefore print circular or cylinder, in circumference
Upper and discontinuous, easily there is flaw in printout.
Utility model content
The purpose of this utility model is to provide a kind of cartridge type 3D printer suitable for the printing of round object, for solving
Certainly round prints incoherent problem in the prior art.
The utility model is achieved through the following technical solutions：
A kind of cartridge type 3D printer suitable for the printing of round object, including cartridge type housing main body, the cartridge type shell
Main body includes bottom plate and the upper ring that place plane is parallel to each other, and three columns uniformly fixed around the bottom edge, described
Column upper end is fixed on the upper ring lower surface；Radius, three through holes of decile such as offer on the bottom plate, in the through hole
The screw mandrel that height is less than the upper ring lower surface is accommodated, the screw mandrel is by the lifting stepping electricity installed in the bottom plate lower surface
Machine drives, and is provided with fall block seat with threaded hole on the screw mandrel, the fall block seat is fixedly connected with discoid beat
Print susceptor edges；The upper ring inner ring bottom is groove circle, and both ends are symmetrically installed with the upper ring and carry belt slave wheel
Fleeting tackle seat, the fleeting tackle seat is curved and can be slided along the upper ring inner ring, on the fleeting tackle seat also integrally
Deflection stepper motor installing plate is formed, deflection stepper motor, the deflection are installed on the deflection stepper motor installing plate
The output shaft of stepper motor through it is described deflection stepper motor installing plate and be provided with the groove circle meshed gears, symmetrically
The fleeting tackle seat between be fixed with two horizontal optical axises, slidable nozzle mounting seat is installed on the optical axis,
Extruder installing plate is provided with above the optical axis, is provided with the extruder installing plate and is fixedly connected with the fleeting tackle seat
Support bar, be provided with the extruder installing plate and slide stepper motor and extruder, the slip stepper motor output end
Belt driving wheel is provided with, belt is arranged between the belt driving wheel and the belt slave wheel, the belt is in institute
Belt driving wheel and two belt slave wheels are stated as the triangle on summit, the base of the triangle is fixedly connected with the spray
Head mounting seat, the device of extruder import connection supply printed material, outlet are connected with nylon tube, the nylon tube it is another
One end connection is arranged on the printing head on the nozzle mounting seat.Centered on the center of circle of the upper ring, the printing is adjusted
Shower nozzle and the angle α of start radius, the distance l with the center of circle, so that it is determined that print position, and stacked in multi-layers completes printing, it is described
The height adjustable of pedestal is printed, is adapted to print required height h, the coordinate of print position is (α, l, h).
Preferably, the inner surface of the column offers bar shaped chute, and being also equipped with the fall block seat can be along institute
State the roller of bar shaped chute rolling.
Preferably, the inner ring of the upper ring is further opened with ring-shaped groove, the fleeting tackle seat and the upper ring inner ring
Contact site offers spherical groove, and ball is provided with the spherical groove, and the ball is connected to the fleeting tackle seat
Between the ring-shaped groove.
Preferably, the printing pedestal upper surface is provided with hott bed, and the hott bed passes through leveling spiral shell with the printing pedestal
Silk connects with leveling nut, is socketed with support spring on the leveling serew, and the support spring is located at the hott bed and described
Between printing pedestal.
Preferably, the triangle base of the belt is connected with the nozzle mounting seat to be detachably fixed, the shower nozzle
The side of mounting seat is fixed with the belt geometrical clamp for clamping the belt.
Preferably, it is provided with linear bearing between the nozzle mounting seat and the optical axis.
The utility model compared with prior art, has advantages below and beneficial effect：
(1) by being cartridge type by the printer setup, printing coordinate by existing (x, y, z) triple axle, be replaced by by
The print position that angle, radius, height (α, l, h) determine, when printing round, is circumferentially connected with certain polar equation formula
Continuous printing, it is ensured that the continuity of circumferencial direction, the printed material setting time of the melting of consecutive points approaches on circumference, solidifies
When can preferably combine, reduce and the possibility of flaw occur because discontinuous, setting time differs greatly, solve circular in the prior art
Body prints incoherent problem.
(2) by setting bar shaped chute on the column, roller and the bar shaped are installed on the fall block seat
Chute coordinates so that the printing pedestal is preferably connected between three columns, strengthens the lifting of the printing pedestal
Stability.
(3) by described the inner ring of ring open up ring-shaped groove, on the fleeting tackle seat set ball with annular
Groove coordinates, and the ball is connected between the fleeting tackle seat and the ring-shaped groove, compared to the upper ring and institute
The direct sliding contact of fleeting tackle seat is stated, after setting ball, frictional force greatly reduces, and not only reduces and is beaten because frictional force is excessive
The possibility of print machine step-out, also reduces machine loss.
(4) by setting the hott bed, the heat of semi-finished product model printed is kept while printing, avoids model
There is defective work because alice or displacement occurs, and set hott bed described in leveling to use between the printing pedestal and the hott bed
Levelling device, i.e. leveling serew, leveling nut and support spring, the hott bed described in first leveling before printing starts, so as to ensure
The hott bed is horizontal, ensures the accuracy of print position, improves printing precision.
(5) because the belt of 3D printer is the easy part for fatigue occur, by the way that the belt and the shower nozzle are pacified
The connected mode of dress seat is arranged to be detachably fixed connection by the belt geometrical clamp clamping belt, is conveniently replaceable the skin
Band, compared to the mode being directly fixedly connected, reduce the cost that consumptive material is changed, repaired.
(6) by setting linear bearing between the nozzle mounting seat and the optical axis, the nozzle mounting seat is reduced
With the frictional force between the optical axis, the possibility for occurring printer step-out because frictional force is excessive is not only reduced, also reduces machine
Loss.
Brief description of the drawings
Fig. 1 is the utility model dimensional structure diagram；
Fig. 2 is the dimensional structure diagram of 30 ° of Fig. 1 vertical rotaries；
Fig. 3 is the dimensional structure diagram of upper ring above section in Fig. 1；
Fig. 4 is fall block seat dimensional structure diagram；
Fig. 5 is fleeting tackle seat in Fig. 3, the enlarged drawing of deflection stepper motor part；
Fig. 6 is hott bed and printing pedestal attachment structure schematic diagram；
Fig. 7 is upper ring dimensional structure diagram；
Fig. 8 is fleeting tackle seat dimensional structure diagram；
Wherein 1- bottom plates；2- columns；3- prints pedestal；The upper rings of 4-；5- screw mandrels；6- fleeting tackle seats；7- optical axises；8- is extruded
Machine installing plate；9- belts；11- lifts stepper motor；31- hott beds；32- leveling serews；33- leveling nuts；34- support springs；
51- fall block seats；52- rollers；61- deflects stepper motor；62- deflects stepper motor installing plate；71- nozzle mounting seats；72-
Printing head；73- nylon tubes；81- slides stepper motor；82- extruders；9- belts；91- belt driving wheels；92- belts are driven
Wheel.
Embodiment
The utility model is described in further detail with reference to embodiment, but embodiment of the present utility model is not
It is limited to this.
Embodiment：
With reference to shown in accompanying drawing 1, a kind of cartridge type 3D printer suitable for the printing of round object, including cartridge type shell master
Body, the cartridge type housing main body include the bottom plate 1 and upper ring 4 that place plane is parallel to each other, and uniformly solid around the edge of bottom plate 1
Three fixed columns 2, the upper end of column 2 are fixed on the lower surface of upper ring 4；Radius, the decile such as offer on the bottom plate 1
Three through holes, the screw mandrel 5 that height is less than the upper lower surface of ring 4 is accommodated in the through hole, the screw mandrel 5 is by installed in institute
The lifting stepper motor 11 for stating the lower surface of bottom plate 1 is driven, and fall block seat 51 with threaded hole, institute are provided with the screw mandrel 5
State fall block seat 51 and be fixedly connected with the discoid edge of printing pedestal 3；The inner ring bottom of upper ring 4 is groove circle, it is described on
The fleeting tackle seat 6 that both ends carry belt slave wheel 92 is symmetrically installed with ring 4, the fleeting tackle seat 6 is curved and can edge
The inner ring of upper ring 4 slides, also integrally formed with deflection stepper motor installing plate 62, the deflection on the fleeting tackle seat 6
Deflection stepper motor 61 is installed, the output shaft of the deflection stepper motor 61 passes through the deflection on stepper motor installing plate 62
Stepper motor installing plate 62 is simultaneously provided with and the groove circle meshed gears, symmetrically fixation between the fleeting tackle seat 6
There are two horizontal optical axises 7, slidable nozzle mounting seat 71 is installed on the optical axis 7, the top of optical axis 7 is provided with crowded
Go out machine installing plate 8, the support bar for being fixedly connected with the fleeting tackle seat 6, the extrusion are provided with the extruder installing plate 8
It is provided with machine installing plate 8 and slides stepper motor 81 and extruder 82, the slip output end of stepper motor 81 is provided with belt
Driving wheel 91, is arranged with belt 9 between the belt driving wheel 91 and the belt slave wheel 92, the belt 9 is in described
Belt driving wheel 91 and the triangle that two belt slave wheels 92 are summit, the base of the triangle are fixedly connected described
Nozzle mounting seat 71, the device of the import of the extruder 82 connection supply printed material, outlet are connected with nylon tube 73, the Buddhist nun
The other end connection of imperial pipe 73 is arranged on the printing head 72 on the nozzle mounting seat 71.
The principle of the present embodiment is expanded on further below：
For the utility model by mains-supplied, the printed material after melting enters extruder 82, enters via nylon tube 73 and beats
Shower nozzle 72 is printed, printed material is sprayed by the printing head 72, is fallen within the printing pedestal 3, coagulation forming is finished product.
Print position is determined by polar coordinates：Centered on the center of circle O for taking the upper ring 4, go out to carry out the coffin upon burial a ray OX from O, claims
For pole axis, then line on the basis of a fixed long measure is taken, usual predetermined angular is taken counterclockwise as just.Assuming that have on horizontal plane
Any point P, P horizontal level can determines with line segment OP length l and the angle [alpha] from OX to OP, have ordinal number to (α,
L) polar coordinates of P points are known as, are designated as P (α, l), l is referred to as the polar diameter of P points, and α is referred to as the polar angle of P points.As limitation l >=0,0≤α<
During 2 π, in plane in addition to limit Ο, other every bits have unique polar coordinates.The polar diameter of limit is zero, and polar angle is appointed
Meaning.If removing above-mentioned limitation, every bit has countless multigroup polar coordinates in plane, usually, if (α, l) is the pole of a point
Coordinate, then (l, α+2n π), (- l, α+(2n+1) π) all can be as its polar coordinates, and n is arbitrary integer here.
The utility model determines that the advantage of print position also resides in using polar coordinates, and some curves, are sat using pole in plane
Timestamp, equation are fairly simple.Such as centered on origin, r is that the polar equation of the circle of radius is P=l, the pole of constant velocity spiral
Equation in coordinates is P=l* α, and oval, hyperbola and parabola this 3 kinds of different conic sections can use a unified polar coordinates
EquationThe angle α of the printing head 72 and start radius, the distance l with the center of circle are adjusted, so as to
Print position is determined, and stacked in multi-layers completes printing, the height adjustable of the printing pedestal 3, is adapted to print required height
H is spent, the coordinate of print position is (α, l, h).
By adjusting the distance l of the printing head 72 and the center of circle, and the printing head 72 and the line in the center of circle with setting
The angle α of fixed datum line realizes default print position.The belt is driven actively by the slip stepper motor 81
Wheel 91, drives the belt 9 being stretched on the belt driving wheel 91 and belt slave wheel 92, and the belt 9 drives described
Nozzle mounting seat 71, so as to change the distance l of the printing head 72 and the center of circle；Pass through the deflection sliding tooth of stepper motor 61
Wheel, is engaged, circular motion of the fleeting tackle seat 6 along the upper ring 4 using gear with the groove on the upper ring 4, so as to
Change the angle of the optical axis 7 and the datum line of setting, so as to change the line of the printing head 72 and the center of circle and setting
The angle α of datum line.Because 3D printing is the printing of stacked in multi-layers formula, print position is mainly determined by the coordinate on horizontal plane, is erected
Do not influence to print to coordinate, but due to the precision of printing, the limitation of material, for the printing head 72 apart from printing surface
It highly there are certain requirements, therefore the screw mandrel 5 can be driven by the lifting stepper motor 11, it is described horizontal sliding with nut
Vehicle seat 6 moves up and down along the screw mandrel 5, so as to drive the printing pedestal 3 to move up and down, adapts to the printing head 72 and beats
The optimum height in print face.
Further, the inner surface of the column 2 offers bar shaped chute, and being also equipped with the fall block seat 51 can
The roller 52 rolled along the bar shaped chute.By setting bar shaped chute on the column 2, on the fall block seat 51
Roller 52 to be installed with the bar shaped chute to coordinate so that the printing pedestal 3 is preferably connected between three columns 2,
Strengthen the lifting stability of the printing pedestal 3.
Further, the inner ring of the upper ring 4 is further opened with ring-shaped groove, the fleeting tackle seat 6 with the upper ring 4
The contact site of circle offers spherical groove, and ball is provided with the spherical groove, and the ball is connected to described horizontal sliding
Between vehicle seat 6 and the ring-shaped groove.Ring-shaped groove is opened up by the inner ring of the ring 4 on described, on the fleeting tackle seat 6
Set ball to coordinate with ring-shaped groove, the ball is connected between the fleeting tackle seat 6 and the ring-shaped groove, compared
In the upper ring 4 and the 6 direct sliding contact of fleeting tackle seat, after setting ball, frictional force greatly reduces, not only reduce because
The excessive possibility for printer step-out occur of frictional force, also reduces machine loss.
Preferably, printing pedestal 3 upper surface is provided with hott bed 31, and the hott bed 31 passes through with the printing pedestal 3
Leveling serew 32 and leveling nut 33 are connected, and support spring 34, the support spring 34 are socketed with the leveling serew 32
Between the hott bed 31 and the printing pedestal 3.The application in 3D printer emphasis of applying of hott bed is prior art, hott bed
Critically important for fixed model, if hott bed temperature is inadequate or heating effect is bad, light meeting causes model alice, the model of weight
It is easy to disengaging plane to cause to shift or misplace, the hott bed 31 in the utility model is the disc type component adapted to, is passed through
The hott bed 31 is set, the heat of semi-finished product model printed is kept while printing, avoid model because occur alice or
There is defective work in displacement, and the leveling of hott bed 31 described in leveling is set between the printing pedestal 3 and the hott bed 31
Device, i.e. leveling serew 32, leveling nut 33 and support spring 34, the hott bed 31 described in first leveling before printing starts, so as to protect
It is horizontal to demonstrate,prove the hott bed 31, ensures the accuracy of print position, improves printing precision.
Preferably, the triangle base of the belt 9 is connected with the nozzle mounting seat 71 to be detachably fixed, the spray
The side of head mounting seat 71 is fixed with the belt geometrical clamp for clamping the belt 9.Because the belt of 3D printer is easy
There is the part of fatigue, by the way that the connected mode of the belt 9 and the nozzle mounting seat 71 is arranged to by belt geometrical clamp
Clamp the belt 9 is detachably fixed connection, is conveniently replaceable the belt 9, compared to the mode being directly fixedly connected, reduces
Consumptive material replacing, the cost of maintenance.
Preferably, it is provided with linear bearing between the nozzle mounting seat 71 and the optical axis 7.By pacifying in the shower nozzle
Linear bearing is set between dress seat 71 and the optical axis 7, reduces the friction between the nozzle mounting seat 71 and the optical axis 7
Power, the possibility for occurring printer step-out because frictional force is excessive is not only reduced, also reduces machine loss.
It is described above, only it is preferred embodiment of the present utility model, any formal limit is not done to the utility model
System, every any simple modification made according to the technical essence of the utility model to above example, equivalent variations, each falls within
Within the scope of protection of the utility model.
Claims (6)
1. a kind of cartridge type 3D printer suitable for the printing of round object, including cartridge type housing main body, it is characterised in that described
Cartridge type housing main body includes the bottom plate that place plane is parallel to each other（1）With upper ring（4）, and around the bottom plate（1）Edge is uniformly solid
Three fixed columns（2）, the column（2）Upper end is fixed on the upper ring（4）Lower surface；The bottom plate（1）On offer
Three through holes of radius, decile, height is accommodated in the through hole and is less than the upper ring（4）The screw mandrel of lower surface（5）, the silk
Bar（5）By installed in the bottom plate（1）The lifting stepper motor of lower surface（11）Driving, the screw mandrel（5）On be provided with band spiral shell
The fall block seat of pit（51）, the fall block seat（51）It is fixedly connected with discoid printing pedestal（3）Edge；On described
Ring（4）Inner ring bottom is groove circle, the upper ring（4）On be symmetrically installed with both ends and carry belt slave wheel（92）Fleeting tackle
Seat（6）, the fleeting tackle seat（6）It is curved and can be along the upper ring（4）Inner ring slides, the fleeting tackle seat（6）It is upper to go back
Integrally formed with deflection stepper motor installing plate（62）, the deflection stepper motor installing plate（62）On be provided with deflection stepping electricity
Machine（61）, the deflection stepper motor（61）Output shaft through it is described deflection stepper motor installing plate（62）And it is provided with and institute
Groove circle meshed gears is stated, the symmetrical fleeting tackle seat（6）Between be fixed with two horizontal optical axises（7）, the light
Axle（7）On slidable nozzle mounting seat is installed（71）, the optical axis（7）Top is provided with extruder installing plate（8）, it is described
Extruder installing plate（8）On be provided with and be fixedly connected with the fleeting tackle seat（6）Support bar, the extruder installing plate（8）
On slip stepper motor is installed（81）And extruder（82）, the slip stepper motor（81）Output end is provided with belt actively
Wheel（91）, the belt driving wheel（91）With the belt slave wheel（92）Between be arranged with belt（9）, the belt（9）It is in
With the belt driving wheel（91）With two belt slave wheels（92）For the triangle on summit, the base of the triangle is consolidated
Surely the nozzle mounting seat is connected（71）, the extruder（82）The device of import connection supply printed material, outlet are connected with
Nylon tube（73）, the nylon tube（73）The other end connection be arranged on the nozzle mounting seat（71）On printing head
（72）.
A kind of 2. cartridge type 3D printer suitable for the printing of round object according to claim 1, it is characterised in that institute
State column（2）Inner surface offer bar shaped chute, the fall block seat（51）On be also equipped with can be along the bar shaped chute
The roller of rolling（52）.
3. a kind of cartridge type 3D printer suitable for the printing of round object according to claim 1 or 2, its feature exist
In the upper ring（4）Inner ring be further opened with ring-shaped groove, the fleeting tackle seat（6）With the upper ring（4）The contact of inner ring
Position offers spherical groove, and ball is provided with the spherical groove, and the ball is connected to the fleeting tackle seat（6）With
Between the ring-shaped groove.
A kind of 4. cartridge type 3D printer suitable for the printing of round object according to claim 3, it is characterised in that institute
State printing pedestal（3）Upper surface is provided with hott bed（31）, the hott bed（31）With the printing pedestal（3）Pass through leveling serew
（32）And leveling nut（33）Connection, the leveling serew（32）On be socketed with support spring（34）, the support spring（34）
Positioned at the hott bed（31）With the printing pedestal（3）Between.
5. a kind of cartridge type 3D printer suitable for the printing of round object according to claim 1 or 2 or 4, its feature
It is, the belt（9）Triangle base and the nozzle mounting seat（71）To be detachably fixed connection, the shower nozzle installation
Seat（71）Side be fixed with for clamping the belt（9）Belt geometrical clamp.
A kind of 6. cartridge type 3D printer suitable for the printing of round object according to claim 5, it is characterised in that institute
State nozzle mounting seat（71）With the optical axis（7）Between be provided with linear bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720719232.1U CN206796549U (en) | 2017-06-20 | 2017-06-20 | A kind of cartridge type 3D printer suitable for the printing of round object |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720719232.1U CN206796549U (en) | 2017-06-20 | 2017-06-20 | A kind of cartridge type 3D printer suitable for the printing of round object |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206796549U true CN206796549U (en) | 2017-12-26 |
Family
ID=60749280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720719232.1U Expired - Fee Related CN206796549U (en) | 2017-06-20 | 2017-06-20 | A kind of cartridge type 3D printer suitable for the printing of round object |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206796549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107297891A (en) * | 2017-06-20 | 2017-10-27 | 四川建筑职业技术学院 | A kind of cartridge type 3D printer printed suitable for round object |
-
2017
- 2017-06-20 CN CN201720719232.1U patent/CN206796549U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107297891A (en) * | 2017-06-20 | 2017-10-27 | 四川建筑职业技术学院 | A kind of cartridge type 3D printer printed suitable for round object |
| CN107297891B (en) * | 2017-06-20 | 2023-07-21 | 四川建筑职业技术学院 | Barrel type 3D printer suitable for printing round objects |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20210620 |