CN104210110A - 3D printing auxiliary method and device and 3D printing equipment - Google Patents
3D printing auxiliary method and device and 3D printing equipment Download PDFInfo
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- CN104210110A CN104210110A CN201410474606.9A CN201410474606A CN104210110A CN 104210110 A CN104210110 A CN 104210110A CN 201410474606 A CN201410474606 A CN 201410474606A CN 104210110 A CN104210110 A CN 104210110A
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Abstract
The embodiment of the invention discloses a 3D printing auxiliary method and device and 3D printing equipment. The method comprises the steps that motion tendency information of a printed object, floating in supporting liquid in the printing process, in the vertical direction is obtained; the density of the supporting liquid is adjusted according to the motion tendency information, and therefore the motion tendency, corresponding to the motion tendency information, of the printed object is eliminated. According to the technical scheme, elimination of the motion tendency, in the vertical direction, of the printed object which is completely supported by the liquid in the printing process is counteracted by adjusting the density of the supporting liquid, the position of the printed object in the printing process remains stationary to the greatest extent through the supporting liquid, and the finished product quality is ensured.
Description
Technical field
The application relates to 3D printing technique, particularly relates to a kind of 3D and prints householder method, device and 3D printing device.
Background technology
Existing consumer level three-dimensional (Three Dimension is called for short 3D) printer, is generally in layer formed by print object by the design of the printer model file according to object on a workbench that usually can be elevated in print procedure.Wherein, for some be not easy shaping, easily to subside or the shaping position that easily fractures, generally can by printing extra supporting construction to support for the position at these shaping positions, but print supporting construction itself and can take the time-write interval, consume printed material, even and if supporting construction is excised after printing completes, still can leave some joint seam traces, affect the outward appearance of final molding article.
Summary of the invention
The object that the embodiment of the present application is possible is: provide a kind of 3D to print auxiliary technical solutions.
First aspect, a possible embodiment of the application provides a kind of 3D and prints householder method, comprising:
Obtain in print procedure and float over one in a support liq by the sports tendency information of print object at vertical direction;
The density of described support liq is regulated according to described sports tendency information, corresponding with described sports tendency information described by the sports tendency of print object in order to eliminate.
Second aspect, a possible embodiment of the application provides a kind of 3D and prints servicing unit, comprising:
Data obtaining module, floats over one in a support liq by the sports tendency information of print object at vertical direction for obtaining in print procedure;
Auto-regulating System of Density of Heavy Medium module, for regulating the density of described support liq according to described sports tendency information, corresponding with described sports tendency information described by the sports tendency of print object in order to eliminate.
The third aspect, a possible embodiment of the application provides a kind of 3D printing device, comprises above-mentioned 3D and prints servicing unit.
At least one embodiment of the embodiment of the present application offsets being eliminated by the sports tendency of print object vertical direction completely with described support liquid in print procedure by regulating the density of support liq, to be kept by described support liq being fixed by the position of print object described in print procedure as far as possible, ensure end product quality.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of 3D printing householder method of the embodiment of the present application;
Fig. 2 is the application scenarios of a kind of 3D printing householder method of the embodiment of the present application;
Fig. 3 is the structural schematic block diagram of a kind of 3D printing servicing unit of the embodiment of the present application;
Fig. 4 a-4c is the structural schematic block diagram of other three kinds of 3D printing servicing unit of the embodiment of the present application;
Fig. 5 is the structural schematic block diagram of a kind of 3D printing device of the embodiment of the present application.
Detailed description of the invention
Below in conjunction with accompanying drawing (label identical in some accompanying drawings represents identical element) and embodiment, the detailed description of the invention of the application is described in further detail.Following examples for illustration of the application, but are not used for limiting the scope of the application.
It will be understood by those skilled in the art that the terms such as " first ", " second " in the application are only for distinguishing different step, equipment or module etc., neither represent any particular technology implication, also do not represent the inevitable logical order between them.
Present inventor finds, in 3D print procedure, use support liq support by printing objects, even, soft to the described support by print object, and the printing of supporting construction can be removed at least partly from, save printed material and time-write interval, simultaneously the better quality of printout; And be now in floating or suspended state by print object, therefore can change printing surface at any time in print procedure and print, decrease 3D printing device to the restriction printing body form.But, in print procedure, printing head can apply pressure to printed material, when printing head is in working order and when switching between halted state, can be broken with stable by the stress balance of print object vertical direction in described support liq, just cannot be kept inactive state in described support liq by print object.Therefore, the embodiment of the present application provides multiple embodiments below, solves or solves the problem at least partly.
In description below the embodiment of the present application, described " by print object " is that object to be printed in 3D print procedure is by the part printed.
As shown in Figure 1, a kind of possible embodiment of the embodiment of the present application provides a kind of 3D and prints householder method, comprising:
S110 obtains in print procedure and floats over one in a support liq by the sports tendency information of print object at vertical direction;
S120 regulates the density of described support liq according to described sports tendency information, corresponding with described sports tendency information described by the sports tendency of print object in order to eliminate.
In the present embodiment, as shown in Figure 2, be immersed in described support liq 202 at least partly in the described process printed at 3D by print object 201, described support liq 202 by described by the buoyancy F that print object applies offset described by the gravity G of print object and printing head 203 in working order time to the described downward pressure T applied by printing objects 201, to the described effect being played flexible support by print object 201.
For example, 3D provided by the invention prints the executive agent of servicing unit as the present embodiment, performs S110 and S120.Particularly, described 3D prints servicing unit and can be arranged on 3D printing device in the mode of software, hardware or software and hardware combining.
At least one embodiment of the embodiment of the present application offsets being eliminated by the sports tendency of print object vertical direction completely with described support liquid in print procedure by regulating the density of support liq, to be kept by described support liq being fixed by the position of print object described in print procedure as far as possible, ensure end product quality.
Each step of the embodiment of the present application is further illustrated by embodiment below:
S110 obtains in print procedure and floats over one in a support liq by the sports tendency information of print object at vertical direction.
In the embodiment of the present application, described floating or be suspended in described support liq by print object.Those skilled in the art can find out, in the present embodiment, are in described floating state in order to keep described by print object, and the density of described support liq needs to be greater than described by the density of print object; If keep described to be in described suspended state by print object, then need the density of described support liq and described by the equal density of print object.In addition, those skilled in the art can know, described support liq and described immiscible by print object.
In the embodiment of the present application, described sports tendency information is make the described information by print object in the vertical direction with sports tendency.
In a kind of possible embodiment, described sports tendency information comprises:
To the duty change information of the described printing head printed by print object.
Owing to being had an active force T straight down to described by print object when printing head works, therefore, when the duty of printing head changes, the power of the described vertical direction received by print object can change.Therefore, in the present embodiment, characterized by the duty change information of described printing head described by the sports tendency of print object.
In the present embodiment, described duty change information comprises: be the state of quitting work by active state, be duty by the state transfer that quits work.
In other possible embodiment of the embodiment of the present application, the duty of described printing head also may be divided into multiple, and now described duty change information is also likely included in the transition information between different duties.
In a kind of possible embodiment, set up and the information corresponding with described duty change information during the described model file information corresponding by print object, can be comprised, therefore, in a kind of possible embodiment, the method obtaining described duty change information can be:
According to described by the duty change information of printing head described in the model file acquisition of information of print object.
In the embodiment that another kind is possible, can also by the duty change information of printing head described in a checkout equipment Real-time Collection.
In the embodiment that another kind is possible, can characterize described by the sports tendency of print object by the described stressed change information by print object.Therefore, in the present embodiment, described sports tendency information comprises: described by the stressed change information of print object.
In a kind of possible embodiment, can described by a first surface 201a upward of print object, and one the place of second surface 201b down one first pressure sensitive unit and one second pressure sensitive unit are set respectively, for detecting the pressure of described first surface 201a to described first pressure sensitive unit respectively, and described second surface 201b is to the pressure of described second pressure sensitive unit.In general, when the described sports tendency do not had by print object on vertical direction, the pressure that described first and second pressure sensitive units obtain is zero substantially.And when described had a sports tendency of vertical direction by print object time, the pressure that the described first or second pressure sensitive unit obtains can increase.Therefore, described stressed change information can be obtained according to this pressure.
S120 regulates the density of described support liq according to described sports tendency information, corresponding with described sports tendency information described by the sports tendency of print object in order to eliminate.
In a kind of possible embodiment, the density of described support liq can be regulated by the ratio of the solvent and solute that regulate described support liq.
Such as, density can be increased by increasing solute, increasing solvent and reducing density.Now, when the capacity of described support liq is more than a setting threshold value, can also recycle by reclaiming described support liq and solvent being separated with solute.
In the embodiment that other are possible, such as, when described support liq is substantially saturated solution, the density of described support liq can also be changed by the temperature changing described support liq, such as, increase temperature, make the solute that dissolves in described solvent more, otherwise, reduce temperature, the solute in described solvent tailed off.
In a kind of possible embodiment, when described step S120 regulates the density of described support liq according to described sports tendency information, first can determine the Auto-regulating System of Density of Heavy Medium amount of described support liq according to described sports tendency information;
The density of described support liq is regulated again according to described Auto-regulating System of Density of Heavy Medium amount.
In the embodiment that another kind is possible, such as, under some accurately can not obtain the occasion of described Auto-regulating System of Density of Heavy Medium amount, can be regulated by the density of mode below to described support liq:
The density of described support liq is progressively regulated until the sports tendency corresponding with the described sports tendency information after regulating is eliminated according to described sports tendency information.
In the present embodiment, can be regulated the density of described support liq by repeatedly a small amount of, often regulate once, all go to obtain described sports tendency information, see whether corresponding sports tendency can be eliminated, if can not, then continue to regulate, until eliminate described sports tendency.
It will be appreciated by those skilled in the art that, in the said method of the application's detailed description of the invention, the sequence number size of each step does not also mean that the priority of execution sequence, the execution sequence of each step should be determined with its function and internal logic, and should not form any restriction to the implementation process of the application's detailed description of the invention.
As shown in Figure 3, a kind of possible embodiment of the embodiment of the present application provides a kind of 3D and prints servicing unit 300, comprising:
Data obtaining module 310, floats over one in a support liq by the sports tendency information of print object at vertical direction for obtaining in print procedure;
Auto-regulating System of Density of Heavy Medium module 320, for regulating the density of described support liq according to described sports tendency information, corresponding with described sports tendency information described by the sports tendency of print object in order to eliminate.
In the present embodiment, as shown in Figure 2, be immersed in described support liq 202 at least partly in the described process printed at 3D by print object 201, described support liq 202 by described by the buoyancy F that print object applies offset described by the gravity G of print object and printing head 203 in working order time to the described downward pressure T applied by printing objects 201, to the described effect being played flexible support by print object 201.
As seen from Figure 2, in order to avoid single printing head 203 to described printed by print object 201 time active force made described by print object 201 moment unbalance without described by the center of gravity of print object 201, therefore, can be printed by print object 201 described by multiple printing head 203, make it realize equalising torque through center of gravity with joint efforts.Certainly, one or more in described multiple printing head 203 can not also print printed material, and only play the effect of equalising torque together with printing the printing head of described printed material.
At least one embodiment of the embodiment of the present application offsets being eliminated by the sports tendency of print object vertical direction completely with described support liquid in print procedure by regulating the density of support liq, to be kept by described support liq being fixed by the position of print object described in print procedure as far as possible, ensure end product quality.
Each module of the embodiment of the present application is further illustrated by embodiment below.
In the embodiment of the present application, described sports tendency information is make the described information by print object in the vertical direction with sports tendency.
In a kind of possible embodiment, described sports tendency information comprises:
To the duty change information of the described printing head printed by print object.
Owing to being had an active force T straight down to described by print object when printing head works, therefore, when the duty of printing head changes, the power of the described vertical direction received by print object can change.Therefore, in the present embodiment, characterized by the duty change information of described printing head described by the sports tendency of print object.
In the present embodiment, described duty change information comprises: be the state of quitting work by active state, be duty by the state transfer that quits work.
In other possible embodiment of the embodiment of the present application, the duty of described printing head also may be divided into multiple, and now described duty change information is also likely included in the transition information between different duties.
As shown in fig. 4 a, in a kind of possible embodiment, described data obtaining module 310 comprises:
First information acquiring unit 311, for according to described by the duty change information of printing head described in the model file acquisition of information of print object.
In the present embodiment, described first information acquiring unit 311 can be such as an information reader part, for reading described duty change information.Or, can also be a communication device, for obtaining described duty change information from an external module.
As shown in Figure 4 b, in the embodiment that another kind is possible, described data obtaining module 310 comprises:
Second information acquisition unit 312, for gathering the duty change information of described printing head.
In a kind of possible embodiment, described second information acquisition unit 312 can comprise an imageing sensor, for gathering the image of described printing head; An image processor can also be comprised, for obtaining described duty change information according to the image of described collection.
In the embodiment that another kind is possible, can characterize described by the sports tendency of print object by the described stressed change information by print object.Therefore, in the present embodiment, described sports tendency information comprises: described by the stressed change information of print object.
As illustrated in fig. 4 c, in the present embodiment, described data obtaining module 310 comprises:
3rd data obtaining module 313, described by the stressed change information of print object for obtaining.
As depicted in figs. 1 and 2 described in embodiment, described 3rd data obtaining module 313 can comprise one or more pressure sensor, for obtaining described stressed change information.Specifically see the record of Fig. 1 and middle correspondence embodiment illustrated in fig. 2.
As shown in fig. 4 a, in a kind of possible embodiment, described Auto-regulating System of Density of Heavy Medium module 320 comprises:
Regulated quantity determining unit 321, for determining the Auto-regulating System of Density of Heavy Medium amount of described support liq according to described sports tendency information;
First Auto-regulating System of Density of Heavy Medium unit 322, for regulating the density of described support liq according to described Auto-regulating System of Density of Heavy Medium amount.
In the present embodiment, the function of described first Auto-regulating System of Density of Heavy Medium unit 322 can be realized by adjustment performance element 324 described below.
As illustrated in fig. 4 c, in the embodiment that another kind is possible, described Auto-regulating System of Density of Heavy Medium module 320 comprises:
Second Auto-regulating System of Density of Heavy Medium unit 323, progressively regulates the density of described support liq according to described sports tendency information until the sports tendency corresponding with the described sports tendency information after regulating is eliminated.
In the present embodiment, described second Auto-regulating System of Density of Heavy Medium unit 323 can be realized by adjustment performance element 324 described below the adjustment of described support liq density.
In the present embodiment, described second Auto-regulating System of Density of Heavy Medium unit 323 can be regulated the density of described support liq by repeatedly a small amount of, often regulate once, all go to obtain described sports tendency information, see whether corresponding sports tendency can be eliminated, if can not, then continue to regulate, until eliminate described sports tendency.
As shown in Figure 4 b, in a kind of possible embodiment, described Auto-regulating System of Density of Heavy Medium module 320 comprises:
Regulate performance element 324, for the density by regulating the ratio of solvent and solute in described support liq to regulate described support liq.
In a kind of possible embodiment, described adjustment performance element 324 can comprise: solute adds structure and solution adds structure, increasing density, increasing solvent and reducing density by increasing solute.Now, when the capacity of described support liq is more than a setting threshold value, can also described support liq be reclaimed by a recovery structure and solvent is separated with solute and recycle.
In the embodiment that other are possible, such as, when described support liq is substantially saturated solution, described adjustment performance element 324 can also be a temperature regulator devices, is changed the density of described support liq by the temperature changing described support liq, such as, increase temperature, make the solute that dissolves in described solvent more, otherwise, reduce temperature, the solute in described solvent is tailed off.
In the embodiment of the present application, the functional realiey of each module, unit further describes the description see Fig. 1 and middle correspondence embodiment illustrated in fig. 2, repeats no more here.
As shown in Figure 5, the embodiment of the present application is a kind of possible embodiment further provides a kind of 3D printing device 500, and the 3D comprised described at least one in Fig. 3, Fig. 4 a-4c prints servicing unit 510.
Those of ordinary skill in the art can recognize, in conjunction with unit and the method step of each example of embodiment disclosed herein description, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not think the scope exceeding the application.
If described function using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part of the part that the technical scheme of the application contributes to prior art in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the application.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only storage (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
Above embodiment is only for illustration of the application; and the restriction not to the application; the those of ordinary skill of relevant technical field; when not departing from the spirit and scope of the application; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to the category of the application, and the scope of patent protection of the application should be defined by the claims.
Claims (17)
1. 3D prints a householder method, it is characterized in that, comprising:
Obtain in print procedure and float over one in a support liq by the sports tendency information of print object at vertical direction;
The density of described support liq is regulated according to described sports tendency information, corresponding with described sports tendency information described by the sports tendency of print object in order to eliminate.
2. the method for claim 1, is characterized in that, described sports tendency information comprises:
To the duty change information of the described printing head printed by print object.
3. method as claimed in claim 2, is characterized in that, obtain described sports tendency information and comprise:
According to described by the duty change information of printing head described in the model file acquisition of information of print object.
4. method as claimed in claim 2, is characterized in that, obtain described sports tendency information and comprise:
Gather the duty change information of described printing head.
5. the method for claim 1, is characterized in that, described sports tendency information comprises:
Described by the stressed change information of print object.
6. the method for claim 1, is characterized in that, the density of the described support liq of described adjustment comprises:
Regulate the ratio of solvent and solute in described support liq.
7. the method for claim 1, is characterized in that, describedly regulates the density of described support liq to comprise according to described sports tendency information:
The Auto-regulating System of Density of Heavy Medium amount of described support liq is determined according to described sports tendency information;
The density of described support liq is regulated according to described Auto-regulating System of Density of Heavy Medium amount.
8. the method for claim 1, is characterized in that, describedly regulates the density of described support liq to comprise according to described sports tendency information:
The density of described support liq is progressively regulated until the sports tendency corresponding with the described sports tendency information after regulating is eliminated according to described sports tendency information.
9. 3D prints a servicing unit, it is characterized in that, comprising:
Data obtaining module, floats over one in a support liq by the sports tendency information of print object at vertical direction for obtaining in print procedure;
Auto-regulating System of Density of Heavy Medium module, for regulating the density of described support liq according to described sports tendency information, corresponding with described sports tendency information described by the sports tendency of print object in order to eliminate.
10. device as claimed in claim 9, it is characterized in that, described sports tendency information comprises:
To the duty change information of the described printing head printed by print object.
11. devices as claimed in claim 10, it is characterized in that, described data obtaining module comprises:
First information acquiring unit, for according to described by the duty change information of printing head described in the model file acquisition of information of print object.
12. devices as claimed in claim 10, it is characterized in that, described data obtaining module comprises:
Second information acquisition unit, for gathering the duty change information of described printing head.
13. devices as claimed in claim 9, it is characterized in that, described sports tendency information comprises:
Described by the stressed change information of print object;
Described data obtaining module comprises:
3rd data obtaining module, described by the stressed change information of print object for obtaining.
14. devices as claimed in claim 9, it is characterized in that, described Auto-regulating System of Density of Heavy Medium module comprises:
Regulate performance element, for the density by regulating the ratio of solvent and solute in described support liq to regulate described support liq.
15. devices as claimed in claim 9, it is characterized in that, described Auto-regulating System of Density of Heavy Medium module comprises:
Regulated quantity determining unit, for determining the Auto-regulating System of Density of Heavy Medium amount of described support liq according to described sports tendency information;
First Auto-regulating System of Density of Heavy Medium unit, for regulating the density of described support liq according to described Auto-regulating System of Density of Heavy Medium amount.
16. devices as claimed in claim 9, it is characterized in that, described Auto-regulating System of Density of Heavy Medium module comprises:
Second Auto-regulating System of Density of Heavy Medium unit, progressively regulates the density of described support liq according to described sports tendency information until the sports tendency corresponding with the described sports tendency information after regulating is eliminated.
17. 1 kinds of 3D printing devices, is characterized in that, the 3D comprised according to any one of claim 9 to 16 prints servicing unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410474606.9A CN104210110B (en) | 2014-09-17 | 2014-09-17 | 3D prints householder method, device and 3D printing device |
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| CN201410474606.9A CN104210110B (en) | 2014-09-17 | 2014-09-17 | 3D prints householder method, device and 3D printing device |
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| WO2017071762A1 (en) * | 2015-10-29 | 2017-05-04 | Hewlett-Packard Development Company, L.P. | Three-dimensional part production |
| CN108145972A (en) * | 2018-02-07 | 2018-06-12 | 中国科学院福建物质结构研究所 | The automatic pre-correction means and method and 3D printing system of a kind of 3D printing early period |
| CN108147448A (en) * | 2017-11-21 | 2018-06-12 | 中国人民解放军陆军工程大学 | Material forming method suitable for 3D printing technology |
| CN110509558A (en) * | 2019-08-06 | 2019-11-29 | 昆明学院 | A kind of 3D printer for making to support with saturation NaCl solution |
| US11618217B2 (en) | 2014-01-16 | 2023-04-04 | Hewlett-Packard Development Company, L.P. | Generating three-dimensional objects |
| US11673314B2 (en) | 2014-01-16 | 2023-06-13 | Hewlett-Packard Development Company, L.P. | Generating three-dimensional objects |
| US11679560B2 (en) | 2014-01-16 | 2023-06-20 | Hewlett-Packard Development Company, L.P. | Generating a three-dimensional object |
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| CN110509558A (en) * | 2019-08-06 | 2019-11-29 | 昆明学院 | A kind of 3D printer for making to support with saturation NaCl solution |
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|---|---|
| CN104210110B (en) | 2016-10-05 |
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