CN106113506A - Double dynamical 3D printer, Method of printing and the installation method of this machine that degree of accuracy is high - Google Patents
Double dynamical 3D printer, Method of printing and the installation method of this machine that degree of accuracy is high Download PDFInfo
- Publication number
- CN106113506A CN106113506A CN201610673549.6A CN201610673549A CN106113506A CN 106113506 A CN106113506 A CN 106113506A CN 201610673549 A CN201610673549 A CN 201610673549A CN 106113506 A CN106113506 A CN 106113506A
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- printer
- shower nozzle
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- accuracy
- crossbeam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
Abstract
The present invention relates to rapid forming equipment field, double dynamical 3D printer, relevant Method of printing and the installation method of this machine that a kind of degree of accuracy is high.Present invention seek to address that in existing printing technique, printing precision is low, print the problem that profile is yielding, device fabrication cost is high.The present invention includes flame support, including two heel posts and with there is the crossbeam that sliding pair is connected between column, also include being arranged on the stamp pad below column, the shower nozzle being slidably installed on crossbeam and the feed arrangement of raw material being provided for shower nozzle, its Y-direction mobile device moved in the Y direction of drive is installed below stamp pad, the two-way mobile device driving shower nozzle to move in X-axis and Z-direction is installed on flame support, the present invention includes type frame structure, tri-coordinate drive disk assemblies of X, Y, Z and electric machine structure.The beneficial effects of the present invention is: printing precision is high, print speed is fast, and device fabrication low cost, Standardization instrument degree are high.
Description
Technical field
The present invention relates to rapid forming equipment field, double dynamical 3D printer that a kind of degree of accuracy is high, printing side
Method and the installation method of this machine.
Background technology
3D printer is as a kind of rapid shaping technique, and during long-term use, range is extensive, also has all
Many improvement projects.
Such as, some improvement to shower nozzle, the effect making material merge is more preferable, improves molding effect;Some is to shower nozzle institute
Support improve, the working material making shower nozzle is more stable, rate of reducing the number of rejects and seconds;Or, propose to improve to printed material,
Its soft or hard, degree of adhesion is made to be easier to sizing.
Person skilled is had to propose to utilize band to synchronize to drive shower nozzle to sit calibration method in XY direction, during concrete grammar sees
In state's patent document, publication No. is CN105216322A, the XY axle linkage device of entitled a kind of 3D printer and interlock method
Patented technology, discloses a kind of bi-motor and simultaneously drives the same Timing Belt being coiled into H type, to realize the linkage of XY.
But, prior art still has a disadvantage in that 1. finished surface machining accuracies are low;2. weight is big, assembly precision
Height, cost is high;3. it is easily deformed after long-time use.
Summary of the invention
The purpose of the present invention is contemplated to solve that machining accuracy is low, cost is high, yielding problem in prior art.
It was discovered by researchers that in the prior art, finished product processing stage is low is mainly manifested in fineness error and shape mistake
In difference, wherein the main presentation layer of fineness error and interlayer there are rib, affect surface smoothness;Wherein form error is main
ShowThe Timing Belt of type tension force in operation process is unbalanced, is susceptible to affect the displacement of shower nozzle, thus affects shape
Levels of precision, such as circle is broken into ellipse.
For solving above-mentioned technical problem, the concrete scheme of the present invention is:
Designing the double dynamical 3D printer that a kind of degree of accuracy is high, including flame support, described flame support includes that two is edge-on
Post and with there is the crossbeam that sliding pair is connected between column, described printer also includes being in the stamp pad below described column, cunning
The dynamic feed arrangement being arranged on the shower nozzle on described crossbeam and providing raw material for shower nozzle, is provided with control and beats below described stamp pad
The Y-direction driving means that ink pad moves in the Y direction, described flame support is provided with drive shower nozzle and moves in X-axis and Z-direction
Two-way mobile device;
Described two-way mobile device include synchronous pulley, pile warp synchronous pulley formed "" shape closed loop connect Timing Belt, He Chu
In the motor of both sides column bottom, the output shaft of described motor matches with described synchronous pulley.
Preferably, described Y-direction driving means includes that being arranged on the bottom below stamp pad drives motor same with what it drove
Walking belt wheel, synchronous pulley described in Timing Belt pile warp, to connect and to drive stamp pad to move in the Y direction.
The side that Timing Belt coordinates with stepper motor output shaft is provided with tooth bar, forms gear with the output shaft with motor
Rack gear.
Described shower nozzle is arranged on head cartridge, and the two ends of this head cartridge are connected with described Timing Belt, described shower nozzle
The roller matched with crossbeam is installed on support.
Described head cartridge side is provided with an eccentric, and opposite side is provided with two rollers being generally aligned in the same plane.
Described head cartridge and slide are made by acrylic board, and in described head cartridge, the thickness of acrylic board is 6mm,
In described slide, the thickness of acrylic board is 3~5mm.Described sliding pair connects and includes acrylic gripper shoe, at described acrylic
Three rollers installed in gripper shoe, and roller is molded by POM plastic.
Preferably, described column and crossbeam include the unit member in cuboid-type hollow and four track components, track
Component is integrally made up of shank and rectangular canopy portion and the cross section of track component is umbrella, the shank of track component and list
Four stupefied limit one on unit member height direction connect, and shank is along the diagonal setting of unit member cross section, phase
Adjacent two track components form a groove with the side of unit member, and the bottom surface, canopy portion of track component is parallel with shank
Inclined-plane, bottom surface, the canopy portion composition track of adjacent two track components;The wheel face both sides of described roller are cutting sth. askew of coordinating with track
Face.
Preferably, unit member is hollow posts, and it is empty that the canopy portion of described track component and shank junction are provided with column type
Chamber.
A kind of Method of printing using double dynamical 3D printer that degree of accuracy is high, its step is as follows:
(1) model and determine the travel track of shower nozzle: utilize modeling software that printed part carries out modeling of drawing, input simulation
System;
(2) movement velocity and the motion mode of each motor are determined according to travel track: according to analog systems defeated in step (1)
Go out, determine the movement velocity of a motor and turn to, when shower nozzle X-direction is advanced, column bottom each motor rotating in same direction, work as shower nozzle
When Z-direction is advanced, the reverse differential of each motor of column bottom rotates, to drive the column lifting relative to stamp pad, when shower nozzle Y side
In time advancing, bottom motors is to turn to rotation accordingly, and the traveling process of all directions is independent mutually;
(3) start each motor, start successively to print.
The installation method of the double dynamical 3D printer that a kind of degree of accuracy is high, comprises the following steps that,
(1) assembly and connection part: assembling bearing and slide respectively, bearing is on crossbeam, and slide is in crossbeam (5) two ends;
(2) suit: after crossbeam being sleeved in two heel posts, fixing after each drive of conveyer belt pile warp, formed "" shape closed loop
Connect.
The beneficial effects of the present invention is:
(1) be successively to print due to the flow process of 3D processing, then every layer print after Z-direction promote, carry out high one layer beat
Print, this structure utilizes the structure of H-BOT, it is achieved that with Timing Belt control XZ to movement, say, that X, Y-axis are by different biographies
Motivation structure drives, and X, Z are not concurrently fed, and do not interfere, thus avoids tightness of synchronous belt and differ the machining accuracy caused
Loss, owing to the effect of gravity makes Timing Belt be in tensioning state all the time, affects the life-span;
(2) it is different from drive mechanism in prior art and includes that guided way, guided way end install framework additional and fix, leading in the present invention
To rail originally as section bar, serve the effect motor simultaneously of framework also with framework integrally, reduce further the weight of complete machine, with
Time do not affect the stability of its work;
(3) the transverse plane structure of XY axle linkage in prior art, primary drive structure is required for bottom support, is otherwise growing
Can be deformed in phase work, in the present invention, main parts size is all distributed in longitudinal plane, it is possible to reduce part supports zero
Part, has suitable unsettled, does not affect the stability of operation, be additionally related to the transmission of coordinate setting while reducing complete machine weight
Motor all more improves the stability of body on base;
(4) in the present invention, each types of spare parts is unified, and interchangeability is high, is assembling and in later maintenance, it is possible to achieve modularity
Management, space availability ratio is high, and installation rate is the most faster;
(5) in the present invention, roller uses POM material, itself has self-lubricating function, in the course of the work without charging-up lubricant oil,
So without installing lubricating system, thus reduce the weight of complete machine, injection wheel, low cost, in conjunction with other parts, relative to
Prior art, holistic cost reduces by more than 40%;
(6) bearing of the synchronous pulley of Timing Belt pile warp uses duplex bearing to merge the mode installed, simple in construction, fixing-stable;
(7) optical axis, ganoid Timing Belt, in the present invention, the drive of employing and Timing Belt are used relative to prior art
Have a profile of tooth of cooperation, profile of tooth driving torque, fine degree is high, belt during controlling Z-axis transmission without to prior art
Equally adjusting concentricity, the speed of printing is fast;
(8) fixed by three rollers between crossbeam and slide rail, by the on-deformable stability principle of triangle, effectively prevent
The generation of belt pulley skidding;
(9) column is provided with hook, can hang fixing raw band, compact conformation.
Accompanying drawing explanation
Fig. 1 is that the axle of installation diagram of the present invention surveys direction schematic diagram;
Fig. 2 is that the axle after the present invention removes feed arrangement and display screen surveys direction schematic diagram;
Fig. 3 is the front view of structure shown in Fig. 2;
Fig. 4 is the left view of structure shown in Fig. 2;
Fig. 5 is the right view of structure shown in Fig. 2;
Fig. 6 is the rearview of structure shown in Fig. 2;
Fig. 7 is structure top view shown in Fig. 2;
Fig. 8 is that the axle of shower nozzle and head cartridge in the present invention surveys direction schematic diagram;
Fig. 9 is the front view of structure shown in Fig. 8;
Figure 10 is the top view of structure shown in Fig. 8;
Figure 11 is that the axle of crossbeam of the present invention and two side slid platforms surveys direction schematic diagram;
Figure 12 is the front view of structure shown in Figure 11;
Figure 13 is that the A in Figure 12 is to profile;
Figure 14 is the left view of structure shown in Figure 11 of the present invention;
Figure 15 is that the axle of eccentric in the present invention surveys direction schematic diagram;
Figure 16 is that the axle of conveyer belt part-structure of the present invention surveys direction schematic diagram;
Figure 17 is that another axle of conveyer belt part-structure of the present invention surveys direction schematic diagram;
Figure 18 is the main apparent direction schematic diagram of conveyer belt part-structure in Figure 16 structure;
Figure 19 be in Figure 16 structure conveyer belt part-structure look up direction schematic diagram;
Each component names in figure: 1. feed arrangement;2. support beam;3. display screen;4. bottom, drive motor;5. crossbeam;6. shower nozzle
Support;7. slide;8. it is positioned at the either-rotation motor under the column of left side;9. it is positioned at the either-rotation motor under right side uprights;10. stamp pad;
21. columns;41.Y is to the slide rail of mobile device;71. acrylic gripper shoes;72. Timing Belts;The bearing of 73. Timing Belt pile warps;
74. rollers;75. upper left side fixed stations;76. upper right side fixed stations;61. exhaust fan;62. shower nozzles;Ya Ke on 63. head cartridges
Power plate;Roller on 64. head cartridges;65. eccentrics.
It is clear to express for view, and in Fig. 1-14, relevant position removes conveyer belt, removes part acrylic board in Figure 11, figure
In 16-19, remove part acrylic board.
Detailed description of the invention
Embodiment 1: the double dynamical 3D printer that a kind of degree of accuracy is high, sees Fig. 1 to Figure 15, including flame support, dragon
Door shaped stent include two heel posts 21 and with there is the crossbeam 5 that sliding pair is connected between column 21, printer also includes being in column
Stamp pad 10 below 21, the shower nozzle being slidably mounted on crossbeam 5 and the feed arrangement 1 for shower nozzle offer raw material, stamp pad 10
Lower section is provided with and controls the Y-direction driving means that stamp pad 10 moves in the Y direction, flame support is provided with drive shower nozzle at X
The two-way mobile device that axle and Z-direction move;
Two-way mobile device include synchronous pulley, pile warp synchronous pulley formed "" shape closed loop connect Timing Belt 72 and be in
Motor bottom two heel posts 21, the output shaft of motor matches with synchronous pulley.The present embodiment also includes support
The support beam 2 of effect.
Y-direction driving means includes that being arranged on the bottom below stamp pad 10 drives motor 4 and its synchronous pulley driven, with
Step band pile warp synchronous pulley, to connect and to drive stamp pad 10 to move in the Y direction.
In work process, after every layer of printing, Z-direction promotes, and carries out the printing of high a layer, and this structure utilizes H-BOT's
Structure, it is achieved that with Timing Belt control XZ to movement, say, that X, Y-axis are driven by different drive mechanism, during X, Z difference
Feeding, does not interferes, and particularly, the inner surface of Timing Belt is provided with profile of tooth, in the present embodiment, between Timing Belt and motor
It is provided with profile of tooth to coordinate, on the one hand transmission moment, on the other hand, improves transmission accuracy.
Shower nozzle is arranged on head cartridge 6, and the two ends of this head cartridge 6 are connected with Timing Belt 72, and head cartridge 6 is pacified
Equipped with the roller 74 matched with crossbeam 5.
Head cartridge 6 side is provided with an eccentric 65, and opposite side is provided with two rollers being generally aligned in the same plane 74.Eccentric
The effect of wheel 65 is, after using certain time, it can be carried out suitable regulation to adjust the position of head cartridge.
Head cartridge 6 and slide 7 are made by acrylic board, and in head cartridge 6, the thickness of acrylic board is 6mm, slide 7
The thickness of middle acrylic board is 4mm.
Sliding pair connects and includes acrylic gripper shoe 71, three rollers 74 installed in acrylic gripper shoe 71, and rolling
Wheel 74 is molded by POM plastic.
In the present embodiment, the synchronous pulley of Timing Belt institute pile warp, the most assembled by two bearings, on the one hand matching requirements
Low, on the other hand, transmission is effective, and meanwhile, the interchangeability between each part is high.
Column 21 and crossbeam 5 include the unit member in cuboid-type hollow and four track components, and track component is by handle
The cross section of portion and rectangular canopy portion one composition and track component is umbrella, and the shank of track component is high with unit member
Four stupefied limit one on degree direction connect, and shank is along the diagonal setting of unit member cross section, adjacent two rails
Road component forms a groove with the side of unit member, and the bottom surface, canopy portion of track component is the inclined-plane parallel with shank, phase
Bottom surface, the canopy portion composition track of adjacent two track components;The wheel face both sides of roller 74 are the oblique section coordinated with track.
Unit member is hollow posts, and the canopy portion of track component and shank junction are provided with cylindrical cavity.This structure is entered
One step reduces the weight of entirety, modular design, it is simple to change and assemble.
The side that Timing Belt coordinates with stepper motor output shaft is provided with tooth bar, forms gear with the output shaft with motor
Rack gear.
By the combination of various features in the present embodiment, it is provided that a kind of, light weight, it is easily installed, is easy to the dimension in later stage
Repairing and change, meanwhile, in use transmission accuracy is high, printing precision is high, the 3D printer of length in service life.
A kind of Method of printing using double dynamical 3D printer that degree of accuracy is high completed according to the present embodiment, its step is such as
Under:
(1) model and determine the travel track of shower nozzle: utilize modeling software that printed part carries out modeling of drawing, input simulation
System;
(2) movement velocity and the motion mode of each motor are determined according to travel track: according to analog systems defeated in step (1)
Going out, determine the movement velocity of a motor and turn to, when shower nozzle X-direction is advanced, bottom column 21, each motor rotating in same direction, works as spray
When head Z-direction is advanced, bottom column 21, the reverse differential of each motor rotates, to drive the column 21 lifting relative to stamp pad 10,
When shower nozzle Y-direction is advanced, bottom motors 4 is to turn to rotation accordingly, and the traveling process of all directions is independent mutually;
(3) start each motor, start to print.
The installation method of the double dynamical 3D printer that a kind of degree of accuracy of completing according to the present embodiment is high, concrete steps are such as
Under,
(1) assembly and connection part: assembling bearing and slide 7 respectively, bearing is on crossbeam 5, and slide 7 is in crossbeam 5 two ends;
(2) suit: after crossbeam 5 being sleeved in two heel posts 21, fixing after each drive of conveyer belt 72 pile warp, formed "”
Shape closed loop connects.
It should be noted that above person is only section Example of the present invention, and it is not used to limit the present invention, according to the present invention
Structure and feature, modifications and winner a little, also should be included within the scope of the present invention.
Claims (10)
1. the double dynamical 3D printer that a degree of accuracy is high, it is characterised in that: include flame support, described flame support bag
Include two heel posts (21) and with there is the crossbeam (5) that sliding pair is connected between column (21), described printer also includes being in described
The stamp pad (10) of column (21) lower section, the shower nozzle being slidably mounted on described crossbeam (5) and the charging for shower nozzle offer raw material
Device (1), described stamp pad (10) lower section is provided with and controls the Y-direction driving means that stamp pad (10) moves in the Y direction, described dragon
The two-way mobile device driving shower nozzle to move in X-axis and Z-direction is installed on door shaped stent;
Described two-way mobile device include synchronous pulley, pile warp synchronous pulley formed "" shape closed loop connect Timing Belt (72),
With the motor being in bottom two heel posts (21), the output shaft of described motor matches with described synchronous pulley.
2. the double dynamical 3D printer that degree of accuracy as claimed in claim 1 is high, it is characterised in that: described Y-direction driving means bag
Include bottom driving motor (4) and its synchronous pulley driven being arranged on stamp pad (10) lower section;Synchronize described in Timing Belt pile warp
Belt wheel, to connect and to drive stamp pad (10) to move in the Y direction.
3. the double dynamical 3D printer that degree of accuracy as claimed in claim 1 is high, it is characterised in that: described Timing Belt and stepping electricity
The side that machine output shaft coordinates is provided with tooth bar, forms rack pinion with the output shaft with motor.
4. the double dynamical 3D printer that degree of accuracy as claimed in claim 1 is high, it is characterised in that: described shower nozzle is arranged on shower nozzle
On support (6), the two ends of this head cartridge (6) are connected with described Timing Belt (72), described head cartridge (6) is provided with
The roller (74) that crossbeam (5) matches.
5. the double dynamical 3D printer that degree of accuracy as claimed in claim 4 is high, it is characterised in that: described head cartridge (6)
Side is provided with an eccentric (65), and opposite side is provided with two rollers being generally aligned in the same plane (74).
6. the double dynamical 3D printer that degree of accuracy as claimed in claim 5 is high, it is characterised in that: described head cartridge (6) and
Slide (7) is made by acrylic board, and in described head cartridge (6), the thickness of acrylic board is 6mm, described slide (7) Central Asia
The thickness of gram force plate is 3~5mm.
7. the double dynamical 3D printer that degree of accuracy as claimed in claim 1 is high, it is characterised in that: described sliding pair connects and includes
Acrylic gripper shoe (71), upper three rollers (74) installed of described acrylic gripper shoe (71), and roller (74) is moulded by POM
Material is molded.
8. the double dynamical 3D printer that degree of accuracy as described in claim 4 or 7 is high, it is characterised in that: described column (21) and
Crossbeam (5) includes the unit member in cuboid-type hollow and four track components, and track component is by shank and rectangular umbrella
The cross section of cap one composition and track component is umbrella, the shank of track component and four in unit member short transverse
Stupefied limit one connects, and shank is along the diagonal setting of unit member cross section, adjacent two track components and unit structure
Side one groove of composition of part, the bottom surface, canopy portion of track component is the inclined-plane parallel with shank, adjacent two track components
Bottom surface, canopy portion composition track;The wheel face both sides of described roller (74) are the oblique section coordinated with track.
9. using a Method of printing for the double dynamical 3D printer that degree of accuracy as described in the appended claim 1 is high, its step is as follows:
(1) model and determine the travel track of shower nozzle: utilize modeling software that printed part carries out modeling of drawing, input simulation
System;
(2) movement velocity and the motion mode of each motor are determined according to travel track: according to analog systems defeated in step (1)
Go out, determine the movement velocity of a motor and turn to, when shower nozzle X-direction is advanced, each motor rotating in same direction in column (21) bottom, when
When shower nozzle Z-direction is advanced, column (21) the bottom reverse differential of each motor rotates, to drive column (21) relative to stamp pad (10)
Lifting, when shower nozzle Y-direction is advanced, bottom motors (4) is to turn to rotation accordingly, and the traveling process of all directions is independent mutually;
(3) start each motor, start successively to print.
10. an installation method for the double dynamical 3D printer that degree of accuracy is high as described in the appended claim 1, comprises the following steps that,
(1) assembly and connection part: assembling bearing and slide (7) respectively, bearing is on crossbeam (5), and slide (7) is in crossbeam (5)
Two ends;
(2) suit: after crossbeam (5) being sleeved in two heel posts (21), fixing after each drive of conveyer belt (72) pile warp, formed
“" connection of shape closed loop.
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Cited By (5)
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CN106738918A (en) * | 2016-12-07 | 2017-05-31 | 西北工业大学(张家港)智能装备技术产业化研究院有限公司 | Three-dimensional printer |
CN108859105A (en) * | 2018-07-24 | 2018-11-23 | 芜湖市爱三迪电子科技有限公司 | A kind of high-precision is highly reliable and easy-to-use consumer level 3D printer |
CN110799290A (en) * | 2017-05-03 | 2020-02-14 | 赞克特金属公司 | Additive manufacturing apparatus comprising a gantry device using a reflective element to direct a laser beam to a moveable scanner |
WO2020125232A1 (en) * | 2018-12-17 | 2020-06-25 | 深圳市纵维立方科技有限公司 | Elevating mechanism and photocuring 3d printing device |
CN114055775A (en) * | 2021-11-16 | 2022-02-18 | 深圳市洋明达科技有限公司 | 3D printer complete machine |
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CN106738918A (en) * | 2016-12-07 | 2017-05-31 | 西北工业大学(张家港)智能装备技术产业化研究院有限公司 | Three-dimensional printer |
CN110799290A (en) * | 2017-05-03 | 2020-02-14 | 赞克特金属公司 | Additive manufacturing apparatus comprising a gantry device using a reflective element to direct a laser beam to a moveable scanner |
CN108859105A (en) * | 2018-07-24 | 2018-11-23 | 芜湖市爱三迪电子科技有限公司 | A kind of high-precision is highly reliable and easy-to-use consumer level 3D printer |
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CN114055775A (en) * | 2021-11-16 | 2022-02-18 | 深圳市洋明达科技有限公司 | 3D printer complete machine |
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