CN204414600U - A kind of large scale fusion sediment 3D printer levelling device - Google Patents
A kind of large scale fusion sediment 3D printer levelling device Download PDFInfo
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- CN204414600U CN204414600U CN201520036439.XU CN201520036439U CN204414600U CN 204414600 U CN204414600 U CN 204414600U CN 201520036439 U CN201520036439 U CN 201520036439U CN 204414600 U CN204414600 U CN 204414600U
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Abstract
A kind of large scale fusion sediment 3D printer levelling device, this levelling device comprises base, multiple unit platforms, distance measuring sensor, processor, lift adjustment mechanism, base is provided with multiple unit platforms, each unit platforms is fixed on base by lift adjustment mechanism, be provided with moving jointing structure at the edge of unit platforms, adjacent unit platforms is fastened by moving jointing structure; And above unit platforms, being provided with moveable distance measuring sensor, this distance measuring sensor is connected with the signal input part signal of processor, and the output of this processor controls lift adjustment mechanism.A large-sized platform is split as the reliable undersized unit platforms of multiple precision by levelling device of the present utility model, and 3 range findings are carried out to each unit platforms, according to range measurement, adopt the levelness of lift adjustment institutional adjustment platform, other unit platforms of all unit platforms and surrounding are spliced, lock together, and the print platform of an Integral levelling can be constituted after carrying out leveling one by one.
Description
[technical field]
The utility model relates to large-size 3D printing technique, particularly relates to the 3D printer leveling device of fusion sediment mode.
[background technology]
3D printing technique, also can be described as and increases material manufacturing technology, by the printing of the automatic numerical control successively process implementation threedimensional model of buildup of material.For traditional process technology, 3D printing technique does not need to make mould separately, directly processes finished product.And breach the complexity of conventional machining techniques finished parts, the positive correlation of decoupling zero between manufacturing cost and part complexity, namely manufacturing cost can not to uprise along with the complexity of part and unprecedented soaring.Therefore, 3D printing technique can reduce the R&D costs of enterprise, shortens the R&D cycle, shortens the upgrading period of product.
In addition, 3D printing technique promotes the New Times of Function-oriented design, and meets growing individual demand.In future, 3D printing technique, by becoming the important tool of the third time industrial revolution, also will contribute to enterprise's improving product competitiveness.
At present, 3D printing technique can be divided into according to forming principle: fusion sediment, ink-jet bonding, precinct laser sintering, precinct laser fusion etc.Ink-jet bonding technology is by jet binder by powder particle bonding connection together; Its advantage is that shaping speed is very fast, and shortcoming is that cementation power is little, and the mechanical property of finished parts is not high.Precinct laser sintering and precinct laser fusion equipment can the materials such as moulding plastics, precoated sand, metal, mechanical property is higher, after heat treatment the performance of metalwork is suitable with forging, but these two kinds of technology all need the laser instrument of configuration rates costliness, and the price of dusty material also more high than traditional material times, therefore this technology application cost is higher.
Wire rod is melted by heating by fusion sediment technology, shower nozzle moves on print platform according to the code generated simultaneously, the material of fusing is coated on print platform according to predetermined manner, two-dimensional section is formed after cooling, print platform declines certain thickness afterwards, shower nozzle is shaping second layer cross section on the basis of ground floor, so repeatedly, until shaping whole threedimensional model.Fusion sediment technology to be applicable in the engineerings such as PLA, ABS, HIPS, PC conventional plastics, and flexibility, conduction, fibre reinforced composite wire etc.Owing to adopting the mode of heat fused, the low price of this equipment, has been widely used in teaching, toy, household electrical appliances, automobile and military industry.
But fusion sediment 3D printer also exists the problem of large scale print platform leveling difficulty when shaping large-scale part at present, for the print platform of size in more than 500mm*500mm size, all there is the problem that whole flat surface is difficult to remain on same horizontal plane.Now still adopt the mode of artificial leveling in industry, not only time-consuming trouble but also leveling limited precision, can not ensure that printing head follows the spacing between whole print platform all to keep within the scope of higher uniformity.Will cause like this printing head between some printable layer or between bottom and print platform spacing excessive, the bonding dynamics after printing is inadequate.
As everyone knows, material produces stress in the process of solidifying, particularly can there is larger stress unavoidably in large-sized part in forming process, therefore the not enough place that bonds between model and print platform or printable layer can depart from and causes the failure of whole print procedure, both waste the quality time of material, the energy also at substantial, bring the rise of whole production cost.
[summary of the invention]
The utility model proposes a kind of device carrying out leveling for large scale print platform for above problem, and this apparatus structure is simple, can ensure the flatness of whole print platform, ensures that print procedure completes smoothly.
Described in the utility modelly relate to large scale fusion sediment 3D printer levelling device, this levelling device comprises base, multiple unit platforms, distance measuring sensor, processor, lift adjustment mechanism, base is provided with multiple unit platforms, each unit platforms is fixed on base by lift adjustment mechanism, be provided with moving jointing structure at the edge of unit platforms, adjacent unit platforms is fastened by moving jointing structure; And above unit platforms, being provided with moveable distance measuring sensor, this distance measuring sensor is connected with the signal input part signal of processor, and the output of this processor controls lift adjustment mechanism;
Below unit platforms, be provided with at least three lift adjustment mechanisms, these three lift adjustment mechanisms are not on same straight line.
These three lift adjustment mechanisms are on the position on three summits of any one equilateral triangle in unit plane.
This lift adjustment mechanism is motor elevating mechanism, this motor elevating mechanism comprises thread spindle motor and spring, this thread spindle motor is subject to processing device and drives, and the thread spindle of thread spindle motor is connected under unit plane, and spring housing is stuck between unit plane and motor on thread spindle.
This lift adjustment mechanism is hydraulicefficiency elevation structure, and the hydraulic stem of this hydraulicefficiency elevation structure is connected under unit plane, and hydraulicefficiency elevation structure is subject to processing device and drives.
This moving jointing structure is concavo-convex slot splicing construction, and concavo-convex spelling joint is circular arc, T-shaped or trapezoidal.
A large-sized platform is split as the reliable undersized unit platforms of multiple precision by levelling device of the present utility model, all unit platforms are spliced by moving jointing structure and other unit platforms of surrounding and are locked together, 3 range findings are carried out to each unit platforms, the levelness of lift adjustment institutional adjustment platform is adopted according to range finding, after all unit platforms leveling, then constitute the print platform of an Integral levelling.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the utility model 3D printer levelling device;
Fig. 2 is the leveling mode of the utility model 3D printer levelling device;
Fig. 3 is the circular arc splicing construction of the utility model 3D printer levelling device;
Fig. 4 is the trapezoidal splicing construction of the utility model 3D printer levelling device;
Fig. 5 is the T-shaped splicing construction of the utility model 3D printer levelling device;
Wherein: 10, base; 20, unit platforms; 30, distance measuring sensor; 40, lift adjustment mechanism; 41, motor lift adjustment mechanism; 411, motor; 412, spring; 50, moving jointing structure;
[detailed description of the invention]
Below in conjunction with drawings and Examples, the utility model large scale fusion sediment 3D printer levelling device is described in detail.
Please refer to accompanying drawing 1, illustrated therein is and described in the utility modelly relate to large scale fusion sediment 3D printer levelling device, this levelling device comprises base 10, multiple unit platforms 20, distance measuring sensor 30, processor (not shown), lift adjustment mechanism 40, base 10 is provided with multiple unit platforms 20, each unit platforms 20 is fixed on base 10 by lift adjustment mechanism 40, be provided with moving jointing structure 50 at the edge of unit platforms 20, adjacent unit platforms 20 is fastened by moving jointing structure 50; And above unit platforms, being provided with moveable distance measuring sensor 30, this distance measuring sensor 30 is connected with the signal input part signal of processor, and the output of this processor controls lift adjustment mechanism 40.Each unit platforms is small size and can ensures the cellular construction of strict flatness.Adjust levels of planarity using multiple unit platforms as elementary cell, and be spliced into a large-sized overall print platform, thus obtain the higher large scale platform of a flatness.
Be fixed on base 10 in each unit platforms 20, all unit platforms 20 are stitched together by moving jointing mechanism 50, but can rotate mutually between each unit platforms 20, thus can carry out leveling to all unit platforms 20.The leveling of unit platforms 20 has been come by distance measuring sensor 30 and lift adjustment mechanism 40.In specific implementation process, can arrange at least three lift adjustment mechanisms 40 below unit platforms 20, these three lift adjustment mechanisms 40 are not on same straight line.Determine the principle of a plane based on three not on same straight line, if these three points are regulated in same level, represent unit platforms 20 leveling.
Further limit, if arrange three lift adjustment mechanisms 40 in this embodiment below unit platforms 20, these three lift adjustment mechanisms 40 are on the position on three summits of any one equilateral triangle in unit plane.And this equilateral triangle is tried one's best and unit platforms inscribe, farthest can ensure the leveling of three points by this equilateral triangle like this, allow unit platforms 20 obtain leveling accurately.
The main effect of this lift adjustment mechanism is at predeterminated position, regulon platform.By with the coordinating of distance measuring sensor, determine the height of each predeterminated position, according to the process structure of processor, lift adjustment mechanism carries out elevating movement.
This lift adjustment mechanism 40 can be the multiple mechanism with the motion of electrodeless lift adjustment, wherein one is motor elevating mechanism 41, this motor elevating mechanism comprises thread spindle motor 411 and spring 412, this thread spindle motor 411 is subject to processing device and drives, the thread spindle of motor is connected under unit plane, and spring housing is stuck between unit plane and motor on thread spindle.
Another mode is hydraulicefficiency elevation structure, and the hydraulic stem of this hydraulicefficiency elevation structure is connected under unit plane, and hydraulicefficiency elevation structure is subject to processing device and drives.
As shown in figures 3-5, this moving jointing structure 50 is concavo-convex slot splicing construction, and concavo-convex spelling joint is circular arc, T-shaped or trapezoidal.This moving jointing structure Main Function realizes self-locking between unit platforms, the attachment force between enhancement unit platform, prevents from, between small size print platform, relative sliding or dislocation occur.
The leveling process of this levelling device is as follows:
First, after small size print platform being spliced into a large print platform, it is d1 that distance measuring sensor 30 moves to the spacing recorded between distance measuring sensor 30 and unit platforms 20 directly over lift adjustment mechanism 40 according to setting program, then data measured is fed back to processor, processor has a default spacing d, processor carries out ratio after receiving actual range finding d1, the size of contrast d1 and d.If d1 > d illustrates that actual spacing is comparatively large, need to reduce height.
If Fig. 2 is as d1 > d, processor controls corresponding lift adjustment mechanism 40 falling head, because lift adjustment mechanism can drive unit platforms to decline, thus allows d1 close to d.
When after the leveling completing this point, distance measuring sensor 30 continues to move to position, another one preset, distance measuring sensor 30 is found range again, lift adjustment mechanism 40 carries out distance adjustment, until the spacing of point corresponding to this unit platforms all lift adjustments mechanism and distance measuring sensor 30 is all adjusted to preset value d, then can think that this unit platforms leveling completes, repeat above-mentioned steps, all unit platforms leveling are completed, then whole large scale platform leveling, can obtain the large scale fusion sediment 3D print platform that flatness is high.
The profitable effect of the utility model patent is, by the unit platforms that smooth precision is higher, carry out leveling after splicing one by one, define the large scale fusion sediment 3D print platform can guaranteeing flatness, contribute to improving the success rate printed, thus save time and resource.
The above, it is only the utility model preferred embodiment, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when utilizing the technology contents of above-mentioned announcement or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solutions of the utility model content, any simple modification that above embodiment is done is referred to according to the utility model technology, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (6)
1. a large scale fusion sediment 3D printer levelling device, it is characterized in that, this levelling device comprises base, multiple unit platforms, distance measuring sensor, processor, lift adjustment mechanism, base is provided with multiple unit platforms, each unit platforms is fixed on base by lift adjustment mechanism, be provided with moving jointing structure at the edge of unit platforms, adjacent unit platforms is fastened by moving jointing structure; And above unit platforms, being provided with moveable distance measuring sensor, this distance measuring sensor is connected with the signal input part signal of processor, and the output of this processor controls lift adjustment mechanism.
2. large scale fusion sediment 3D printer levelling device according to claim 1, it is characterized in that, be provided with at least three lift adjustment mechanisms below unit platforms, these three lift adjustment mechanisms are not on same straight line.
3. large scale fusion sediment 3D printer levelling device according to claim 2, it is characterized in that, these three lift adjustment mechanisms are on the position on three summits of any one equilateral triangle in unit plane.
4. large scale fusion sediment 3D printer levelling device according to claim 3, it is characterized in that, this lift adjustment mechanism is motor elevating mechanism, this lift adjustment mechanism comprises thread spindle motor and spring, this thread spindle motor is subject to processing device and drives, the thread spindle of thread spindle motor is connected under unit plane, and spring housing is stuck between unit plane and motor on thread spindle.
5. large scale fusion sediment 3D printer levelling device according to claim 3, it is characterized in that, this lift adjustment mechanism is hydraulicefficiency elevation structure, and the hydraulic stem of this hydraulicefficiency elevation structure is connected under unit plane, and hydraulicefficiency elevation structure is subject to processing device and drives.
6. large scale fusion sediment 3D printer levelling device according to claim 1, it is characterized in that, this moving jointing structure is concavo-convex slot splicing construction, and concavo-convex spelling joint is circular arc, T-shaped or trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520036439.XU CN204414600U (en) | 2015-01-19 | 2015-01-19 | A kind of large scale fusion sediment 3D printer levelling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520036439.XU CN204414600U (en) | 2015-01-19 | 2015-01-19 | A kind of large scale fusion sediment 3D printer levelling device |
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| CN204414600U true CN204414600U (en) | 2015-06-24 |
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| CN201520036439.XU Expired - Fee Related CN204414600U (en) | 2015-01-19 | 2015-01-19 | A kind of large scale fusion sediment 3D printer levelling device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626582A (en) * | 2015-01-21 | 2015-05-20 | 深圳长朗三维科技有限公司 | Leveling device and leveling method of large-size fused deposition 3D printer |
| CN108748995A (en) * | 2018-06-04 | 2018-11-06 | 南京工程学院 | A kind of intelligence 3D printing platform |
| CN109926792A (en) * | 2019-04-25 | 2019-06-25 | 大族激光科技产业集团股份有限公司 | A kind of laser cutting microscope carrier |
| WO2020132052A1 (en) | 2018-12-20 | 2020-06-25 | Jabil Inc. | Leveler for 3d printing build plate thermal expansion |
| CN112223741A (en) * | 2020-08-28 | 2021-01-15 | 中科院广州电子技术有限公司 | Constant temperature's jumbo size print platform 3D printing device in space |
| CN113547073A (en) * | 2021-06-18 | 2021-10-26 | 郑州中兴三维科技有限公司 | Boxless molding 3D sand mold printing system |
| CN115056480A (en) * | 2022-04-27 | 2022-09-16 | 同济大学 | Prevent to stick up big yardstick 3D print platform on limit |
-
2015
- 2015-01-19 CN CN201520036439.XU patent/CN204414600U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626582A (en) * | 2015-01-21 | 2015-05-20 | 深圳长朗三维科技有限公司 | Leveling device and leveling method of large-size fused deposition 3D printer |
| CN108748995A (en) * | 2018-06-04 | 2018-11-06 | 南京工程学院 | A kind of intelligence 3D printing platform |
| WO2020132052A1 (en) | 2018-12-20 | 2020-06-25 | Jabil Inc. | Leveler for 3d printing build plate thermal expansion |
| EP3898197A4 (en) * | 2018-12-20 | 2022-02-16 | Jabil Inc. | Leveler for 3d printing build plate thermal expansion |
| CN109926792A (en) * | 2019-04-25 | 2019-06-25 | 大族激光科技产业集团股份有限公司 | A kind of laser cutting microscope carrier |
| CN109926792B (en) * | 2019-04-25 | 2021-04-06 | 大族激光科技产业集团股份有限公司 | Laser cutting microscope carrier |
| CN112223741A (en) * | 2020-08-28 | 2021-01-15 | 中科院广州电子技术有限公司 | Constant temperature's jumbo size print platform 3D printing device in space |
| CN113547073A (en) * | 2021-06-18 | 2021-10-26 | 郑州中兴三维科技有限公司 | Boxless molding 3D sand mold printing system |
| CN115056480A (en) * | 2022-04-27 | 2022-09-16 | 同济大学 | Prevent to stick up big yardstick 3D print platform on limit |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| 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: 20150624 Termination date: 20170119 |