CN105690770B - A kind of cross beam type polar coordinates 3D printer - Google Patents
A kind of cross beam type polar coordinates 3D printer Download PDFInfo
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- CN105690770B CN105690770B CN201610183904.1A CN201610183904A CN105690770B CN 105690770 B CN105690770 B CN 105690770B CN 201610183904 A CN201610183904 A CN 201610183904A CN 105690770 B CN105690770 B CN 105690770B
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- driving wheel
- driven pulley
- motor
- cross beam
- polar coordinates
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- 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
Abstract
The present invention relates to a kind of cross beam type polar coordinates 3D printer, including base, base is left, right both sides are respectively fixed with a vertical pivot, a left side for base, right both sides are also respectively fixed with a side motor, a shank of bolt is provided with by shaft coupling respectively in the axle of side motor, shank of bolt is parallel with the vertical pivot of respective side respectively, the top of vertical pivot and the top of shank of bolt are provided with a crossbeam jointly, square through hole is provided with the left of crossbeam, side is provided with centre bore in crossbeam, bending part is installed in square through hole, No.1 motor is installed on bending part, angled driving wheel is connected on the axle of No.1 motor；Rotary shaft is installed, the bottom of rotary shaft is installed angled driven pulley by way of key connection, No.1 transmission belt is connected between angle driving wheel and angle driven pulley in centre bore.The present invention can realize the drafting of the curve arc of complexity, have print speed fast, print the advantages that curved surface dimensional accuracy is high and surface quality is good, automaticity is high, can greatly improve production efficiency.
Description
Technical field
The present invention relates to three-dimensional increases material manufacturing technology field, specifically a kind of cross beam type polar coordinates 3D printer.
Background technology
Under normal circumstances, motion of the rectangular co-ordinate 3D printer in a plane depends on turn of x and y-axis motor substantially
Move to complete, when moving straight line, plane coordinates is well positioned to meet demand, but needs to move a circular arc track
When, rectangular coordinate system is substantially by differential technique to complete, i.e., one section of circular arc is divided into many section straight lines carrys out simulation curve, and one
As completed by x and the y direction of controlled motor, so perform arc section efficiency it is very low, speed is very slow.But if sat using pole
Target motion, polar diameter ρ can be fixed, the control θ anglecs of rotation can obtain smooth circular arc track, and speed is fast, efficiency high.
At present, the 3D printer of domestic and international market research and development, is substantially three-dimensional fast shaping under rectangular coordinate system, its principle
Military successively to complete the circular manufacturing technology of examination question according to cad models, specifically rapid prototyping technology is in cad systems
The three-dimensional entity model discretization of foundation, the height of physical model is divided into several thin layers, with the aspect of these different heights
Information controls former carry out aspect processing, these thin laminas are got up, just obtains processing required three-dimensional modeling.
In actual applications, using polar coordinate system, the amount of exercise of mechanical part is less, and comparatively acceleration of motion is more
Small, speed is faster.Motion amplitude closer to its part of the center of construction platform is smaller, and correspondingly its Motion Resolution rate is higher.
China Patent Publication No. is that CN104441666A patent discloses a kind of polar coordinates type 3D printer, including base
And framework, base are provided with lift drive mechanism, the top of the framework is provided with printing head, and lifter plate is provided with pallet, bottom
Seat is provided with the control module being connected with printing head mechanism, lifter plate drive mechanism, pallet rotary mechanism；The invention be also with
Polar form is processed, and is not only advantageous to print common parts, is more beneficial for efficiently printing rotary body, revolution class model.
But its is complicated, it has not been convenient to assembles, and its motion is relative motion, during to establishment driver, it has not been convenient to program people
Member understands that programming amount is big.
China Patent Publication No. is that CN105291439A patent discloses a kind of suspension type polar coordinates type 3D printer, is wrapped
Include bottom plate, be arranged on bottom plate can be according to the adjustable printhead of workbench and spacing that polar coordinates planar move.Should
Invention is also to be processed with polar form, is advantageous to print rotated type part, but its Z axis is controlled by straight line connecting rod
Formed, Z axis precision can not be ensured, it is difficult to determine consumptive material moves towards, and can not calibrate when it moves initial, and its motion is also phase
To motion, the increase of programming Control difficulty.
The content of the invention
The defects of for above-mentioned technology, the present invention propose a kind of cross beam type polar coordinates 3D printer.
A kind of cross beam type polar coordinates 3D printer, including base, the arranged on left and right sides of the base are respectively fixed with one and erected
Axle, the arranged on left and right sides of base are also respectively fixed with a side motor, in the axle of the side motor on pacified respectively by shaft coupling
Equipped with a shank of bolt, the shank of bolt is parallel with the vertical pivot of respective side respectively, the top of the vertical pivot and the top of shank of bolt
A piece crossbeam is installed jointly, is provided with square through hole on the left of the crossbeam, side is provided with centre bore in crossbeam, in the square through hole
Bending part is installed, No.1 motor is installed on the bending part, angled driving wheel is connected on the axle of the No.1 motor.Institute
State and rotary shaft is installed in centre bore, angled driven pulley is installed in the bottom of the rotary shaft by way of key connection, described
No.1 transmission belt is connected between angle driving wheel and angle driven pulley.
The lower end of the rotary shaft is fixed with motor cabinet, and No. two motors, No. two motors are fixed with the motor cabinet
Axle on be connected with position driving wheel, closed slide is installed on the motor cabinet left side, is cased with leading on the closed slide
Rail sliding block, the other end of the closed slide are provided with end block, and being provided with the lower surface of the end block can be relative to end
The position driven pulley that end block rotates, is provided with No. two transmission belts between the position driving wheel and position driven pulley.
The mode being connected through a screw thread among the guide rail slide block is connected with connecting rod, and the lower end of the connecting rod is connected with 3D and beaten
Head is printed, the base center is provided with cross focusing.
The column, crossbeam all use square column.The crossbeam uses square pin connection with column.
The bending angle of the bending part is 90 °, and one end of bending part is provided with two parallel U-lags.
One limit switch groove is installed among the lower surface of the motor cabinet.
The impeller diameter ratio of the angle driven pulley and angle driving wheel is 1：N, wherein n are positive integer, position driving wheel and position
The impeller diameter ratio for putting driven pulley is 1:1.
The connecting rod is stud, and the middle part section of connecting rod is square, and the side in the middle part of connecting rod is provided with two ribs, even
The width of the projected square part of bar is less than the diameter of position driving wheel and position driven pulley.
The arranged on left and right sides of the base is respectively installed with a face triangular side panels, the upper end point of the triangular side panels
Vertical pivot and shank of bolt not with respective side are fixed, and triangular side panels have stability, and the steady of vertical pivot and shank of bolt can be effectively ensured
It is fixed, so as to ensure 3 D-printing precision.
The beneficial effects of the invention are as follows：
The present invention drives rotatable and swingable mechanism to rotate using transmission belt, realizes the drafting of the curve arc of complexity,
It is fast with print speed, the advantages that curved surface dimensional accuracy is high and surface quality is good is printed, automaticity is high, can carry significantly
High efficiency.The programming amount of the present invention is small, the easy editor control program of developer, because the procedure quantity of editor is less, control
Central reaction processed is fast, and print speed is fast.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is that the present invention removes the stereogram after the triangular side panels of right side；
Fig. 2 is the stereogram of crossbeam of the present invention；
Fig. 3 is the stereogram of the bending part of the present invention；
Fig. 4 is the stereogram when rotary shaft of the present invention coordinates with motor cabinet；
Fig. 5 is the lower left side stereogram when rotary shaft of the present invention coordinates with motor cabinet；
Fig. 6 is the stereogram of the end block of the present invention；
Fig. 7 is the stereogram of the guide rail slide block of the present invention；
Fig. 8 is the stereogram of the connecting rod of the present invention；
Fig. 9 is the stereogram of the triangular side panels of the present invention；
Figure 10 is the stereogram of the base of the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, below it is right
The present invention is expanded on further.
As shown in Figures 1 to 10, a kind of cross beam type polar coordinates 3D printer, including base 1, left and right the two of the base 1
Side is respectively fixed with a vertical pivot 2, and the arranged on left and right sides of base 1 is also respectively fixed with a side motor 8, the axle of the side motor 8
A shank of bolt 22 is provided with by shaft coupling respectively on interior, the shank of bolt 22 is parallel with the vertical pivot 2 of respective side respectively, described
The top of vertical pivot 2 is provided with a crossbeam 4 jointly with the top of shank of bolt 22, and the left side of crossbeam 4 is provided with square through hole 21, horizontal
Side is provided with centre bore 23 in beam 4, bending part 12 is provided with the square through hole 21, square through hole 21 is close to bar center side
Side is provided with screwed hole, for fixing bending part 12.No.1 motor 11, the No.1 motor are installed on the bending part 12
Angled driving wheel 10 is connected on 11 axle；Rotary shaft 6 is installed, the bottom of the rotary shaft 6 passes through in the centre bore 23
The mode of key connection installs angled driven pulley 7, and No.1 transmission is connected between the angle driving wheel 10 and angle driven pulley 7
Band 9.
The lower end of the rotary shaft 6 is fixed with motor cabinet 27, is fixed with No. two motors 5 in the motor cabinet 27, and described two
Position driving wheel 3 is connected with the axle of number motor 5, closed slide 14 is installed on the left side of motor cabinet 27, it is described parallel
It is cased with guide rail slide block 13 on guide rail 14, the other end of the closed slide 14 is provided with end block 15, under the end block 15
The position driven pulley 16 that can be rotated relative to end block 15, the position driving wheel 3 and position driven pulley 16 are installed on end face
Between be provided with No. two transmission belts 17.
The mode being connected through a screw thread among the guide rail slide block 13 is connected with connecting rod 18, the lower end connection of the connecting rod 18
There is 3D printing first 19, the center of base 1 is provided with cross focusing 20.
The column 2, crossbeam 4 all use square column；The crossbeam 4 uses square pin connection with column 2.
The bending angle of the bending part 12 is 90 °, and one end of bending part 12 is provided with two parallel U-lags 24.
One limit switch 29 is installed among the lower surface of the motor cabinet 27.
The impeller diameter ratio of the angle driven pulley 7 and angle driving wheel 10 is 1：N, wherein n are positive integer, position driving wheel 3
Impeller diameter ratio with position driven pulley 16 is 1:1.
The connecting rod 18 is stud, and the middle part section of connecting rod 18 is square, and the side at the middle part of connecting rod 18 is provided with two
Individual rib 36, for connecting the both ends of No. two transmission belts 17, the width of the projected square part of the connecting rod 18 be less than position driving wheel 3 with
The diameter of position driven pulley 16.In use, ensure in-between section and position from wheel 16 and position by adjusting the height of connecting rod 18
Driving wheel 3 is put on identical horizontal line.
The arranged on left and right sides of the base 1 is respectively installed with a face triangular side panels 33, the triangular side panels 33 it is upper
Hold vertical pivot 2 and shank of bolt 22 respectively with respective side to fix, triangular side panels 33 have stability, can be effectively ensured vertical pivot 2 and
The stabilization of shank of bolt 22, so as to ensure 3 D-printing precision.
Before motion, mechanism calibration is first carried out, No. two motors 5 turn clockwise, and guide rail slide block 13 is moved to high order end and touched
Encounter limit switch 29, first 19 central point of now 3D printing should correspond to the position of the cross calibration point 20 on base 1, now
No. two motors 5 stop operating, and the angle of angle driving wheel 10 is arranged to 0, and calibration is completed.Hereafter, No.1 motor 11 and No. two motors 5
Respective steering and rotational angle are controlled according to code, drives 3D printing first 19 to the position of any point on base 1 to reach
Put.
In terms of the regulation to hardware, using the U-lag 24 on bending part 12, one on bending part 12 can adjust
The height of number motor 11, so as to keep the horizontal conveyor of No.1 transmission belt 9, and according to angle driving wheel 10 and angle driven pulley 7
Impeller diameter ratio set the gearing factor of programming Control, it is convenient by angle driving wheel 10 come the accurate rotation for controlling rotary shaft 6
Angle.
The No.1 motor 11, which rotates, drives rotary shaft 6 to rotate, and rotary shaft 6 drives the motor cabinet 27 being secured to rotate,
Because guide rail slide block 13 is located at the side of motor cabinet 27, when motor cabinet 27 rotates, guide rail slide block 13 will also do arc in the plane
Line moves.When No. two motors 5 start, will be driven by No. two transmission belts 17 connecting rod 18 that is connected with No. two transmission belts 17 and
The 3D printing first 19 being connected through a screw thread with connecting rod 18 is moved along closed slide 14, it is achieved thereby that 3D printing first 19 is in the plane
Integrated motion.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, that described in above-described embodiment and specification is the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these change and
Improvement is both fallen within claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (7)
1. a kind of cross beam type polar coordinates 3D printer, including base (1), it is characterised in that：The arranged on left and right sides of the base (1)
A vertical pivot (2) is respectively fixed with, the arranged on left and right sides of base (1) is also respectively fixed with a side motor (8), the side motor
(8) shank of bolt (22) is provided with by shaft coupling respectively in axle, the shank of bolt (22) is perpendicular with respective side respectively
Axle (2) is parallel, and the top of the vertical pivot (2) is provided with a crossbeam (4), the crossbeam jointly with the top of shank of bolt (22)
(4) left side is provided with square through hole (21), and side is provided with centre bore (23) in crossbeam (4), and folding is provided with the square through hole (21)
Comer pieces (12), No.1 motor (11) is installed on the bending part (12), connected on the axle of the No.1 motor (11) angled
Driving wheel (10)；Rotary shaft (6) is installed, the side that the bottom of the rotary shaft (6) passes through key connection in the centre bore (23)
Formula installs angled driven pulley (7), and No.1 transmission belt is connected between the angle driving wheel (10) and angle driven pulley (7)
(9)；
The lower end of the rotary shaft (6) is fixed with motor cabinet (27), and No. two motors (5), institute are fixed with the motor cabinet (27)
State and position driving wheel (3) is connected with the axle of No. two motors (5), closed slide is installed on motor cabinet (27) left side
(14) guide rail slide block (13), is cased with the closed slide (14), the other end of the closed slide (14) is provided with end block
(15), the position driven pulley (16) that can be rotated relative to end block (15), institute are installed on the lower surface of the end block (15)
Rheme, which is put, is provided with No. two transmission belts (17) between driving wheel (3) and position driven pulley (16)；
The mode being connected through a screw thread among the guide rail slide block (13) is connected with connecting rod (18), and the lower end of the connecting rod (18) connects
3D printing head (19) is connected to, base (1) center is provided with cross focusing (20).
A kind of 2. cross beam type polar coordinates 3D printer according to claim 1, it is characterised in that：The column (2), crossbeam
(4) square column is all used；The crossbeam (4) uses square pin connection with column (2).
A kind of 3. cross beam type polar coordinates 3D printer according to claim 1 or 2, it is characterised in that：The bending part
(12) bending angle is 90 °, and one end of bending part (12) is provided with two parallel U-lags (24).
A kind of 4. cross beam type polar coordinates 3D printer according to claim 1, it is characterised in that：The motor cabinet (27)
One limit switch (29) is installed among lower surface.
A kind of 5. cross beam type polar coordinates 3D printer according to claim 1, it is characterised in that：The angle driven pulley
(7) and angle driving wheel (10) impeller diameter ratio be 1：N, wherein n are positive integer, position driving wheel (3) and position driven pulley (16)
Impeller diameter ratio be 1:1.
A kind of 6. cross beam type polar coordinates 3D printer according to claim 1, it is characterised in that：The connecting rod (18) is double
Hook bolt, the middle part section of connecting rod (18) are square, and the side in the middle part of connecting rod (18) is provided with two ribs (36), connecting rod (18)
The width of projected square part is less than the diameter of position driving wheel (3) and position driven pulley (16).
A kind of 7. cross beam type polar coordinates 3D printer according to claim 1, it is characterised in that：A left side for the base (1),
Right both sides are respectively installed with a face triangular side panels (33), and the upper end of the triangular side panels (33) is perpendicular with respective side respectively
Axle (2) and shank of bolt (22) are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610183904.1A CN105690770B (en) | 2016-03-24 | 2016-03-24 | A kind of cross beam type polar coordinates 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610183904.1A CN105690770B (en) | 2016-03-24 | 2016-03-24 | A kind of cross beam type polar coordinates 3D printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105690770A CN105690770A (en) | 2016-06-22 |
| CN105690770B true CN105690770B (en) | 2017-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610183904.1A Active CN105690770B (en) | 2016-03-24 | 2016-03-24 | A kind of cross beam type polar coordinates 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105690770B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390107B (en) * | 2020-04-16 | 2021-10-29 | 杭州喜马拉雅信息科技有限公司 | Sand mold printing method for rotary different-aperture nozzle |
| CN112157910B (en) * | 2020-08-15 | 2022-02-08 | 长春工业大学 | 3D printing device for manufacturing colorful clothes |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4665492A (en) * | 1984-07-02 | 1987-05-12 | Masters William E | Computer automated manufacturing process and system |
| CN203752532U (en) * | 2014-02-25 | 2014-08-06 | 新疆大学 | Polar-coordinate numerically controlled fused deposition rapid prototyping (RP) machine |
| CN104441666A (en) * | 2014-12-22 | 2015-03-25 | 浙江大学宁波理工学院 | Polar coordinate type 3D (three-dimensional) printer |
| CN206140958U (en) * | 2016-03-24 | 2017-05-03 | 芜湖哈特机器人产业技术研究院有限公司 | Crossbeam formula polar coordinates 3D printer |
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2016
- 2016-03-24 CN CN201610183904.1A patent/CN105690770B/en active Active
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| Publication number | Publication date |
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| CN105690770A (en) | 2016-06-22 |
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