CN104354299B - 3D printer numerical control positioning system - Google Patents
3D printer numerical control positioning system Download PDFInfo
- Publication number
- CN104354299B CN104354299B CN201410686238.4A CN201410686238A CN104354299B CN 104354299 B CN104354299 B CN 104354299B CN 201410686238 A CN201410686238 A CN 201410686238A CN 104354299 B CN104354299 B CN 104354299B
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- Prior art keywords
- worktable
- rocking arm
- motor
- drive
- printer
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- 238000005299 abrasion Methods 0.000 abstract description 7
- 230000003245 working effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 238000007639 printing Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
Abstract
3D printer numerical control positioning system, the invention belongs to a technical field of 3D printer numerical control positioning system. in order to the structure of the X-axis and Y-axis numerical control positioning system that simplify 3D printer, extend the work-ing life of 3D printer, this invention takes following technical measures: one end of rocking arm (12) is movably installed with worktable (3) and screw thread cover (16), worktable (3) is provided with worm gear (2), rocking arm (12) is provided with worktable drive-motor (11), the rotating shaft of worktable drive-motor (11) is provided with worm screw (10), together with worm screw (10) is meshing with worm gear (2), worktable drive-motor (11) is under control of the computer by worm screw (10), worm gear (2) drives worktable (3) to rotate, the other end of rocking arm (12) is hinged on support (1) or is movably arranged on Z axis rail (9) etc., the benefit done like this is: due to the present invention, mainly to have employed abrasion little, and the high rotation of positioning precision substitutes the linear slide of guide rail, eliminates the detrimentally affect that guide rail skimming wear is brought.
Description
Technical field
The invention belongs to a technical field of 3D printer numerical control positioning system.
Background technology
Commercially available general heat is molten piles up class 3D printer, owing to structure is relatively simple, the reasons such as consumptive material is inexpensive and develop very fast. The molten class 3D printer of piling up of heat has mainly used the forming techniques such as hot molten accumulation, makes 3-D view virtual on computer become the stereoscopic model of reality. The 3D printer of this class forms primarily of X-axis, Y-axis and Z axle, three-axis numerical control station-keeping system, pilot circuit and shower nozzle etc. The digital slices that three-axis numerical control station-keeping system produces according to section software prints data and instruction, constantly changes the level attitude between nozzle and model or worktable and relative height, coordinates the action of shower nozzle just can realize the stack shaping of hot melt material. In this process, the motion of X-axis and Y-axis numerical control positioning system is the most frequent, and amount of exercise is also maximum, and it is also maximum on the impact of printing precision simultaneously. So it is composition part the most important in 3D printer.
But, in the three-axis numerical control station-keeping system of this kind of 3D printer under prior art, it may also be useful to be all linear slide guide rail. In 3D print procedure, the constantly cooperation action of X-axis and Y-axis, could each bar curve in formation model or straight line. That is, each bar curve in 3D print procedure or the generation of straight line, all wanting to produce sliding friction between guide rail and slide unit could realize. The technician of this area knows, rail plate is not only very harsh to the requirement of the material of part, working accuracy and setting accuracy, and the most troubling be that it in use can produce serious friction wear, the structure that this kind of abrasion is it causes. Owing to the amplitude of its friction stroke is big, and each parts are all directly exposed in air, and this kind of situation is made the matter worse. Under such Working environment, the dust in the extremely easy absorbed air of the lubricant on guide rail, so more accelerates the abrasion of guide rail.What the effect of attrition of guide rail was maximum is location and the repetitive positioning accuracy of three Shaft fixed position modules, it show as that to print plane surface out coarse. Time serious, the geometrical shape and the size that print model out are also influenced. So the use of rail plate, remote effect printing precision and shorten work-ing life of 3D printer. On the other hand, in the process of Design and manufacture 3D printer, the length of rail plate must be greater than the working stroke of X-axis and Y-axis, so just requires that the support supporting guide rail is bigger stronger. It must cause the complete machine structure making 3D printer very huge. And in the face of huge structure, for ensureing that rigidity has to increase again the thickness of component. Like this with regard to the weight of the complete machine that increases.
Summary of the invention
In order to the structure of the X-axis and Y-axis numerical control positioning system that simplify 3D printer, eliminate rail plate abrasion to the impact of printing precision, extend the work-ing life of 3D printer, this invention takes following technical measures: one end of rocking arm 12 is movably installed with worktable 3 and screw thread cover 16, worktable 3 is provided with worm gear 2, rocking arm 12 is provided with worktable drive-motor 11, the rotating shaft of worktable drive-motor 11 is provided with worm screw 10, together with worm screw 10 is meshing with worm gear 2, worktable drive-motor 11 is under control of the computer by worm screw 10, worm gear 2 drives worktable 3 to rotate, the other end of rocking arm 12 is hinged on support 1 or is movably arranged on Z axis rail 9, rocking arm drive-motor 14 is arranged on support 1 by spring piece 13, the rotating shaft of rocking arm drive-motor 14 is equipped with screw rod 15, screw rod 15 is threaded togather with screw thread cover 16, rocking arm drive-motor 14 is under control of the computer by screw rod 15, screw thread cover 16 driving rocking arm 12, worm gear 2 swings together with worktable 3, worktable drive-motor 11, rocking arm drive-motor 14 connects respective electric machine control device, electric machine control device connects computer, rocking arm 12 and support 1 are provided with reseting sensor, reseting sensor connects computer.
The benefit done like this is: when the present invention works 3D printer, the X-axis the most frequent, amount of exercise is maximum of moving and the numerical control positioning system of Y-axis, realizes the numerical control positioning of the horizontal plane of 3D printer by use rail plate mechanism. Instead by the rotation of worktable 3 and the yaw mechanism of rocking arm 12, realize the numerical control positioning of the horizontal plane of 3D printer. Little owing to present invention employs abrasion, the rotation that positioning precision is high substitutes the linear slide (namely eliminating rail plate mechanism) of guide rail, eliminates the detrimentally affect that guide rail skimming wear is brought. Also greatly simplify structure simultaneously, improve positioning precision, reduce production cost and improve reliability.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram (face figure is overlooked in front side).
Fig. 2 is present configuration schematic diagram (rear side cross-sectional view).
In figure: support 1, worm gear 2, worktable 3, shower nozzle 4, consumptive material 5, head cartridge 6, Z axis drive motor 7, Z axle screw rod 8, Z axis rail 9, worm screw 10, worktable drive-motor 11, rocking arm 12, spring piece 13, rocking arm drive-motor 14, screw rod 15, screw thread cover 16.
Embodiment
Heat under prior art melts three axles (X-axis, Y-axis, Z axle) the numerical control positioning system piling up class 3D printer, nearly all have employed linear slide guide rail. Technically, the length of line slideway is greater than working stroke, and must be mutually vertical between each guide rail.Therefore, the agent structure of this kind of 3D printer is mostly box, bulky and heavy. In 3D printer process, drive X-axis and drive the stepper-motor constantly cooperation action under control of the computer of Y-axis, each bar curve in formation model tomography or straight line, i.e. a section. Therefore their workload is big, weares and teares also serious. And Z axle only layer high have just have action during increase, and its maximum stroke is exactly the height of model. Its prints a model and just walks rountrip, so the abrasion of Z axle is very little, it is relative with the impact in work-ing life much smaller on the precision of 3D printer. Can suitably ignore. In 3D printer working process, motion is the most frequent and amount of exercise be maximum is X-axis and Y-axis. And in whole printer arrangement, in order to settle the rail plate of X-axis and Y-axis, often 3D printer is made case structure. This just makes the structure of 3D printer more complicated, simultaneously for ensure rigidity have to greatly increase material thickness, the weight of 3D printer is increased greatly. So in the numerical control positioning system of 3D printer, replacing sliding rail structure has great meaning to 3D printer.
The principle of work of the present invention: in order to simplify the structure of the plane numerical controlled station-keeping system of existing 3D printer X-axis and Y-axis formation, eliminate rail plate abrasion to the impact of printing precision and the work-ing life extending 3D printer. The present invention mainly takes the horizontal pan of rotation and the rocking arm utilizing worktable, and both cooperatively interacting substitutes the translational motion of X-axis and Y-axis. Before the straight line of model digital slices or curve being presented in the nozzle face of shower nozzle, it is achieved 3D prints; Its concrete structure is: be movably installed with worktable 3 and screw thread cover 16 in one end of rocking arm 12. Movable installation described here refers to the installation mode that worktable 3 and screw thread cover 16 can rotate relative to rocking arm 12. Worktable 3 is provided with worm gear 2; rocking arm 12 is provided with the motor that worktable drive-motor 11(the application states be stepper-motor or band retarding mechanism stepper-motor); the rotating shaft of worktable drive-motor 11 is provided with worm screw 10, together with worm screw 10 is meshing with worm gear 2. Worktable drive-motor 11 drives worktable 3 to rotate by worm screw 10, worm gear 2 under control of the computer. The other end of rocking arm 12 is hinged on support 1 or is movably arranged on Z axis rail 9. Movable installation described here refers to that rocking arm 12 can swing the installation structure of (rotation) around Z axis rail 9, and object is the same with hinged, is all that rocking arm 12 can left and right horizontal be freely swung. Rocking arm drive-motor 14 is arranged on support 1 by spring piece 13. It is the gap in order to reduce system that this kind installs structure, and spring piece 13 allows rocking arm drive-motor 14 both sides to swing, and does not but allow rocking arm drive-motor 14 to move forward and backward. Screw rod 15 is housed in the rotating shaft of rocking arm drive-motor 14, and screw rod 15 is threaded togather with screw thread cover 16. When rocking arm drive-motor 14 rotates under control of the computer, screw rod 15 overlaps 16 tandem by screw drive screw thread and moves. This move it is movably arranged on rocking arm 12 owing to screw thread overlaps 16, so can drive rocking arm 12 horizontal hunting. Worktable drive-motor 11, rocking arm drive-motor 14 connect respective electric machine control device, and electric machine control device connects computer, and rocking arm 12 and support 1 are provided with reseting sensor, and reseting sensor connects computer.
The working process of the present invention is: when user opens 3D printer power supply, computer system is started working after resetting, and then computer is by electric machine control device instruction works platform drive-motor 11, drives worktable 3 to rotate to vernier switch or reseting sensor direction by worm screw 10 and worm gear 2.When a specific point of worktable 3 touches the vernier switch or reseting sensor that are contained on rocking arm, vernier switch or reseting sensor send worktable 3 to computer and put in place signal. Computer sends stop instruction to worktable drive-motor 11 after receiving this signal, and worktable 3 just stops at the starting point of work, resets successfully. And then computer is by another electric machine control device instruction rocking arm drive-motor 14, is rotated to vernier switch or reseting sensor direction together by screw rod 15, screw thread cover 16 driving rocking arm 12, worktable 3 etc. When the specific point on rocking arm 12 touches vernier switch or reseting sensor, vernier switch or reseting sensor send rocking arm 12 to computer and put in place signal. Computer sends stop instruction to rocking arm drive-motor 14, and rocking arm 12 stops on the position of work starting point, and rocking arm 12 resets successfully. The reset result of total system is the nozzle of the work starting point alignment shower nozzle 4 making setting on worktable 3, and the nozzle of shower nozzle 4 has suitable height apart from worktable 3. After total system has resetted, computer just according to the model slice data of user's input, can drive worktable drive-motor 11, rocking arm drive-motor 14 cooperation action by electric machine control device, complete the running fix task in X-axis and Y-axis direction.
After 3D printer has printed one layer of section, computer will drive the head cartridge 6 being contained on Z axis rail and be threaded togather with Z axle screw rod 8 to rise by motor controller controls Z axis drive motor 7, Z axle screw rod 8, prepares for printing next section. So circulation just printable complete model.
Claims (1)
1.3D printer numerical control positioning system, comprise support (1), worm gear (2), worktable (3), shower nozzle (4), worm screw (10), worktable drive-motor (11), rocking arm (12), spring piece (13), rocking arm drive-motor (14), screw rod (15), screw thread cover (16), it is characterized in that: one end of rocking arm (12) is movably installed with worktable (3) and screw thread cover (16), worktable (3) is provided with worm gear (2), rocking arm (12) is provided with worktable drive-motor (11), the rotating shaft of worktable drive-motor (11) is provided with worm screw (10), together with worm screw (10) is meshing with worm gear (2), worktable drive-motor (11) is under control of the computer by worm screw (10), worm gear (2) drives worktable (3) to rotate, the other end of rocking arm (12) is hinged on support (1) or is movably arranged on Z axis rail (9), rocking arm drive-motor (14) is arranged on support (1) by spring piece (13), the rotating shaft of rocking arm drive-motor (14) is equipped with screw rod (15), screw rod (15) and screw thread cover (16) are threaded togather, rocking arm drive-motor (14) is under control of the computer by screw rod (15), screw thread cover (16) drives rocking arm (12), worm gear (2) and worktable (3) swing together, worktable drive-motor (11), rocking arm drive-motor (14) connects respective electric machine control device, electric machine control device connects computer, rocking arm (12) and support (1) are provided with reseting sensor, reseting sensor connects computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410686238.4A CN104354299B (en) | 2014-11-24 | 2014-11-24 | 3D printer numerical control positioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410686238.4A CN104354299B (en) | 2014-11-24 | 2014-11-24 | 3D printer numerical control positioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104354299A CN104354299A (en) | 2015-02-18 |
| CN104354299B true CN104354299B (en) | 2016-06-15 |
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| CN201410686238.4A Expired - Fee Related CN104354299B (en) | 2014-11-24 | 2014-11-24 | 3D printer numerical control positioning system |
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| CN104890378B (en) * | 2015-05-11 | 2017-10-27 | 池州华钛半导体有限公司 | One kind is used for WB machine failure welding automatic marking devices |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203156377U (en) * | 2013-01-23 | 2013-08-28 | 陈东方 | Double-polar-axis three-dimensional machining tool |
| CN103786342A (en) * | 2014-01-10 | 2014-05-14 | 康子纯 | 3D (three-dimensional) printer with inclinable machine body |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8778252B2 (en) * | 2012-01-20 | 2014-07-15 | Wisconsin Alumni Research Foundation | Three-dimensional printing system using dual rotation axes |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203156377U (en) * | 2013-01-23 | 2013-08-28 | 陈东方 | Double-polar-axis three-dimensional machining tool |
| CN103786342A (en) * | 2014-01-10 | 2014-05-14 | 康子纯 | 3D (three-dimensional) printer with inclinable machine body |
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| CN104354299A (en) | 2015-02-18 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yuan Xuebin Inventor after: Zhang Fan Inventor before: Hu Daguang |
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| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160812 Address after: 210000 Jiangsu Province, Nanjing Zijin (Jiangning) technology start-ups in particular communities (Jiangning District moling Street Mo Zhou Road No. 12) Patentee after: Nanjing Shenzhou spaceflight Intelligent Technology Co., Ltd. Address before: Guangdong province Dongguan City Wanjiang 523051 liuyongwei Fen Xi Lu Nan Yi Xiang No. 6 three Patentee before: Hu Daguang |
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| 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: 20160615 Termination date: 20201124 |