CN205148929U - Three -dimensional printer - Google Patents
Three -dimensional printer Download PDFInfo
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- CN205148929U CN205148929U CN201520895832.4U CN201520895832U CN205148929U CN 205148929 U CN205148929 U CN 205148929U CN 201520895832 U CN201520895832 U CN 201520895832U CN 205148929 U CN205148929 U CN 205148929U
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Abstract
The utility model provides a three -dimensional printer, three -dimensional printer is including beating printer head, three -dimensional print platform and the control unit, three -dimensional print platform includes the brace table, carry thing board and pressure sensor, pressure sensor sets up at the brace table and carries between the thing board, the control unit control is beaten printer head and is printed the model according to model signal on the printing area who carries the thing board, pressure sensor is disposed under a year thing board is located printing area and corresponds, pressure sensor gathers the signal to the control unit output, the control unit is according to model signal and collection signal output control signal. Obtain pressure value or weight value in real time through pressure sensor, according to model data's assay and comparing of pressure sensor data collection, realize the implementation control to printing the state, if data appear and compare and to stop to print, avoid the machine to continue idle running operation and extravagant time -write interval when mismatching.
Description
Technical field
The utility model relates to printing field, particularly relates to a kind of three-dimensional printer.
Background technology
3D printer, also known as three-dimensional printer, is a kind of machine utilizing rapid shaping technique, based on mathematical model file, adopts moulding material, constructs three-dimensional entity by the mode successively printed.Before printing, need to utilize microcomputer modelling software modeling, then the threedimensional model " subregion " built up is become cross section successively, namely cut into slices, thus instruct 3D printer successively to print.3D printer obtains a wide range of applications at product manufacturing industry, and the operation principle of 3D printer is substantially identical with conventional printer, is made up of Control Component, mechanical component, printhead, consumptive material (i.e. moulding material) and medium etc., prints principle also substantially similar.
3D printhead by extruding silk material on 3 D-printing platform, then 3D solid is formed, when the nozzle of print platform and printhead is not parallel, when namely print platform occurs tilting, easily there is warpage or extrude silk material not connecting problem in the model printed, then model scrappage is higher.Therefore, after dispatching from the factory from printer, all need before user prints to adjust to the flat conditions of print platform, but general adjustment is only use card between nozzle and print platform, directly utilize visual comparison to realize again, such existence judges inaccurate and easily there is print-head nozzle and encounter print platform, the situation such as cause that print platform scratches, and has a strong impact on Consumer's Experience.
In addition, in print procedure when blocking appears in print-head nozzle or print silk material deficiency, cause continuing spray silk in printing runs, make machine continuation free-runing operation, this also will cause the waste of time-write interval and resource simultaneously.
Summary of the invention
The purpose of this utility model be to provide a kind of can to printing the 3 D-printing of status real time monitor.
In order to realize the purpose of this utility model, the utility model provides a kind of three-dimensional printer, be included in the printhead of movement in horizontal plane, the vertically 3 D-printing platform of movement and control unit, control unit is for controlling printhead and 3 D-printing platform movement, wherein, 3 D-printing platform comprises brace table, support board and pressure sensor, pressure sensor is arranged between brace table and support board, control unit controls printhead according to model signals printer model on the print area of support board, pressure sensor is arranged on support board and is positioned at below corresponding to print area, pressure sensor exports collection signal to control unit, control unit exports control signal according to model signals and collection signal.
From such scheme, because the printhead of three-dimensional printer carries out threedimensional model imaging according to predetermined slicing delamination model data and projected path according to model signals on objective table, therefore the below of objective table is provided with pressure sensor, just pressure sensor Real-time Obtaining force value or gravimetric value can be passed through, according to the analysis of model data and the comparison of pressure sensor image data, as control unit judgment models data are not mated with image data portion, namely may there is blocking or silk material deficiency in printhead, then control unit exports stop control signal, three-dimensional printer is made to stop printing, also can send prompting control signal simultaneously, while prompting user of service, also machine can be avoided to continue free-runing operation and waste time-write interval, then the implementing monitoring to print state is realized.
Further scheme is, 3 D-printing platform also comprises support, and Bracket setting is on brace table, and Bracket setting is fluted, and pressure sensor and support board are arranged in groove.
Further scheme is, 3 D-printing platform also comprises multiple supporting component, Bracket setting is on multiple supporting component, supporting component comprises with brace table threaded engagement and the screw vertically arranged and the spring be enclosed within outside screw, the first end of screw is fixedly connected with support, and spring is connected between support and brace table.
Therefore, support is provided with the installation being beneficial to pressure sensor and objective table, and by adjustable supporting component, support carried out to support and fix, can regulate the flatness of objective table more easily.
Further scheme is, pressure sensor is the force-sensing sensor of sheet.
Further scheme is, force-sensing sensor is strain gauge resistance sensor, piezoelectric force transducer or capacitive force transducer.
Therefore the pressure sensor arranged by sheet, can be carried out Real-Time Monitoring to the model weight being positioned at print area more exactly, then effectively monitor print state.
Accompanying drawing explanation
Fig. 1 is the structure chart of the utility model three-dimensional printer embodiment.
Fig. 2 is the structure chart of printhead and 3 D-printing platform in the utility model three-dimensional printer embodiment.
Fig. 3 is the STRUCTURE DECOMPOSITION figure of 3 D-printing platform in the utility model three-dimensional printer embodiment.
Fig. 4 is the sectional view of 3 D-printing platform in the utility model three-dimensional printer embodiment.
Fig. 5 is A place enlarged drawing in Fig. 4.
Fig. 6 is the system block diagram of the utility model three-dimensional printer embodiment.
Fig. 7 is the flow chart of the utility model 3 D-printing embodiment of the method.
Fig. 8 is the flow chart of 3 D-printing platform set-up procedure embodiment in the utility model 3 D-printing embodiment of the method.
Fig. 9 is the flow chart in the utility model 3 D-printing embodiment of the method, print platform being carried out to coarse adjustment calibration.
Figure 10 is the flow chart in the utility model 3 D-printing embodiment of the method, print platform being carried out to refine calibration.
Figure 11 is the flow chart in the utility model 3 D-printing embodiment of the method, respective support assembly being carried out to coarse adjustment.
Figure 12 is the flow chart in the utility model 3 D-printing embodiment of the method, respective support assembly being carried out to fine tuning.
Figure 13 is the flow chart calibrated image-forming range in the utility model 3 D-printing embodiment of the method.
Figure 14 is the flow chart of 3 D-printing monitoring step in the utility model 3 D-printing embodiment of the method.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Detailed description of the invention
Three-dimensional printer embodiment:
With reference to Fig. 1 composition graphs 7, Fig. 1 is the structure chart of three-dimensional printer 1, three-dimensional printer 1 comprise be installed in three-dimensional printer framework in 3 D-printing platform 11, printhead 12, Z axis servomotor 131, Y-axis servomotor 132, X-axis servomotor 133, control unit 14, pressure sensor 6 and display unit 15, screw rod 21 is through 3 D-printing platform 11, the bottom of screw rod 21 is connected with Z axis servomotor 131, is also provided with guide rod in the both sides of screw rod 21.
Printhead 12 is arranged on X-axis guide rod, X-axis guide rod is connected with X-axis servomotor 133, under X-axis servomotor 133 drives, printhead 12 can move along X-axis, X-axis guide rod is also connected with Y-axis guide rod (not shown), Y-axis guide rod is connected with Y-axis servomotor 132, and under Y-axis servomotor 132 drives, but X guide rod moves along Y-axis.
With reference to Fig. 2 and Fig. 3, Fig. 2 is the structure chart of 3 D-printing platform 11 and printhead 12, Fig. 3 is the exploded view of 3 D-printing platform 11, support board 3 is comprised at 3 D-printing platform 11, three supporting components 4, brace table 5, pressure sensor 6, support 7 and heater 8, support board 3 is coated with coating, support 7 is provided with the groove for holding support board 3, heater 8 is arranged in the form of sheets, heater 8 is arranged on the back of support 7 groove, can to support 7 and support board 3 transferring heat after heater 8 electrified regulation, pressure sensor 6 and support board 3 are arranged in the groove of support 7, and on the position of pressure sensor 6 between support board 3 and support 7, print area on support board 3 is extruded silk material to printhead 12 and implementation model prints, and pressure sensor 6 adjoins with support board 3 and be arranged on support board 3 and be positioned at below corresponding to print area, make pressure sensor 6 can gather the weight of model on objective table 3 or the contact from printhead 12 by objective table 3.In the present embodiment, pressure sensor 6 is the force-sensing sensors adopting sheet to arrange, and this force-sensing sensor both can adopt strain gauge resistance sensor or piezoelectric force transducer, can adopt capacitive force transducer again.
Support 7 is arranged on three supporting components 4, and three supporting components 4 are arranged through brace table 5 ground, and three supporting components 4 are in not arranging on the same line.Because 3 D-printing platform 11 can vertically move under the driving of servomotor, namely 3 D-printing platform 11 moves to the position contacted with printhead 12.
With reference to the sectional view that Fig. 4 and Fig. 5, Fig. 4 are 3 D-printing platforms 11, Fig. 5 is the enlarged drawing at A place in Fig. 4.Supporting component comprises and coordinating and the screw 41 that can vertically arrange and the spring 42 be enclosed within outside this screw with the through hole whorl of brace table 5, screw 41 is through brace table 5, first end and the support 7 of screw 41 adjoin, second end of screw 41 is positioned on the opposite side of brace table 5, between on the second end that spring 42 is connected to brace table 5 and screw 41, during rotary screw 41, while screw 41 vertically movement, promote support 7 move up and down vertical, then realize the removable adjustment on vertical direction of supporting component 4.
Pressure sensor 6 abuts against on the position between support 7 and support board 3, and printhead 12 is extruded into picture silk material 121 on the print area of support board 3, realizes threedimensional model imaging by being piled into as silk material 121.Pressure sensor adopts the pressure sensor of sheet in the present embodiment, and the signal of telecommunication changed into by the deformation of the pressure sensor of sheet is changed, and can know change pressure value or change gravimetric value exactly.Pressure sensor 6 can to gather on objective table 3 model to its applied pressure by objective table 3, and pressure sensor 6 is exported to control unit 14 signal that gathers and obtained the gravimetric value of this model by process then.In addition, when support board 3 contacts with printhead, pressure sensor 6 can obtain printhead 12 applied pressure.
With reference to the system block diagram that Fig. 7, Fig. 7 are three-dimensional printers 1.Control unit 14 is respectively to Z axis servomotor 131, Y-axis servomotor 132, X-axis servomotor 133 output drive signal, each servomotor is made to rotate respectively, then make 3 D-printing platform 11 vertically can move under Z axis servomotor 131 drives, printhead 12 is moved in the horizontal plane determined by X-axis and Y-axis.
Control unit 14 receives the collection signal that pressure sensor 6 exports, control unit 14 calculates corresponding current pressure values according to collection signal, and exporting this current pressure values to display unit 15, display unit 15 is the display screen for showing current pressure values and preset pressure value.In addition when carrying out monitoring weight to the model on support board 3, control unit 15 calculates corresponding gravimetric value to according to the signal gathered, and shows this gravimetric value on display unit 15.
3 D-printing embodiment of the method:
With reference to Fig. 7, Fig. 7 is the flow chart of 3 D-printing embodiment of the method, installation 3 D-printing method is carried out three-dimensional imaging when 3 D-printing by three-dimensional printer 1, and particularly, 3 D-printing method comprises 3 D-printing platform set-up procedure and 3 D-printing monitoring step successively.
With reference to the flow chart that Fig. 8, Fig. 8 are 3 D-printing platform set-up procedures.First perform step S1, input 3 D-printing platform adjustment instruction, perform step S2 subsequently, 3 D-printing platform up moves to default zero point, performs the step of calibrating 3 D-printing platform subsequently.
Step S3 and step S4 is comprised to the step that 3 D-printing platform is calibrated, first, perform step S3, coarse adjustment calibration is carried out to 3 D-printing platform, perform step S4 subsequently, refine calibration is carried out to 3 D-printing platform, finally performs step S5, the image-forming range between 3 D-printing platform and printhead is calibrated.
Reference Fig. 9, Fig. 9 are flow charts 3 D-printing platform being carried out to coarse adjustment calibration.First perform step S31, coarse adjustment is carried out to the first supporting component, perform step S32 subsequently, coarse adjustment is carried out to the second supporting component, then performs step S33, coarse adjustment is carried out to the 3rd supporting component, finally perform step S34, coarse adjustment is carried out to the flatness of the 4th supporting component.
Reference Figure 10, Figure 10 are flow charts 3 D-printing platform being carried out to refine calibration.First perform step S41, fine tuning is carried out to the first supporting component, perform step S42 subsequently, fine tuning is carried out to the second supporting component, then perform step S43, fine tuning is carried out to the 3rd supporting component, finally perform step S44, fine tuning is carried out to the 4th supporting component.
Reference Figure 11, Figure 11 are flow charts respective support assembly being carried out to coarse adjustment, namely the first supporting component, the second supporting component or the 3rd supporting component are carried out to the flow chart of coarse adjustment.First step S61 is performed, 3 D-printing platform declines 5 millimeters to calibrating position from default dead-center position, perform step S62 subsequently, printhead moves to the top of the supporting component needing adjustment, then step S63 is performed, 3 D-printing platform moves to default dead-center position with first resolution towards printhead, and namely 3 D-printing platform slowly rises to default dead-center position with the resolution ratio of 0.06 millimeter.
Perform step S64 subsequently, control unit calculates current pressure values according to the data of pressure sensor collection, then performs step S65, judges whether current pressure values equals preset pressure value.
As current pressure values is not equal to preset pressure value, then perform step S66, by supporting component by bracket adjustment to target location, can refer to Fig. 4 and adjustment screw 41 makes support 7 up or move down, the rising of support 7 or the movement moved down driving pressure sensor 6 and support board 3, support 7 will make current pressure values equal preset pressure value in target location.
Again this supporting component is calibrated again subsequently, namely perform step S67,3 D-printing platform declines 5 millimeters, then performs step S63, S64 and S65 successively, as current pressure values equals preset pressure value, then first resolution calibration is carried out to next supporting component.
Reference Figure 12, Figure 12 are flow charts respective support assembly being carried out to fine tuning, namely the first supporting component, the second supporting component or the 3rd supporting component are carried out to the flow chart of fine tuning.First step S71 is performed, 3 D-printing platform declines 5 millimeters to calibrating position, perform step S72 subsequently, printhead moves to the top of the supporting component needing adjustment, then step 73 is performed, 3 D-printing platform moves to default dead-center position with second resolution towards printhead, and namely 3 D-printing platform slowly rises to default dead-center position with the resolution ratio of 0.01 millimeter.
Perform step S74 subsequently, control unit calculates current pressure values according to the data of pressure sensor collection, then performs step S75, judges whether current pressure values equals preset pressure value.
As current pressure values is not equal to preset pressure value, then perform step S76, by supporting component by bracket adjustment to target location, can refer to Fig. 4 and adjustment screw 41 makes support 7 up or move down, the rising of support 7 or the movement moved down driving pressure sensor 6 and support board 3, support 7 will make current pressure values equal preset pressure value in target location.
Again this supporting component is calibrated again subsequently, namely perform step S77,3 D-printing platform declines 5 millimeters, then performs step S73, S74 and S75 successively, as current pressure values equals preset pressure value, then second resolution calibration is carried out to next supporting component.
Reference Figure 13, Figure 13 are the flow charts that image-forming range carries out calibrating.First step S51 is performed, 3 D-printing platform moves towards printhead with the 3rd resolution ratio, namely 3 D-printing platform rises with 0.01 millimeter of resolution ratio, performs step S52 subsequently, the image-forming range between adjustment support board and printhead, namely the movement of 3 D-printing platform is stopped when image-forming range is suitable, finally performing step S53, image-forming range being set to imaging zero point, when carrying out 3D solid imaging, 3 D-printing platform will rise to imaging zero point, and printhead is extruded into picture silk material to support board.
After executing 3 D-printing platform set-up procedure, will perform 3 D-printing monitoring step, be the flow chart of 3 D-printing monitoring step with reference to Figure 14, Figure 14.First step S81 is performed, control unit receives model signals and generates multiple hierarchy slicing model signals according to model signals, hierarchy slicing model signals comprises the required model printed of every one deck, the walking path of printhead, the length of walking path, the extruded velocity printed and the Unit Weight of imaging silk material, perform step S82 subsequently, control unit controls printhead and extrudes silk material according to hierarchy slicing model signals at objective table and realize printer model, perform step S83 subsequently, pressure sensor carries out real-time data collection to the model weight on support board, then step S84 is performed, control unit calculates current weight value according to the data of pressure sensor collection, namely the gravimetric value of model on support board is positioned at, perform step S85 subsequently, hierarchy slicing model signals and current weight value are compared by control unit, judge whether whether current weight value mate with hierarchy slicing model signals, because printhead is successively up printed as picture according to hierarchy slicing model signals on support board, namely model on support board be also successively pile up shaping, therefore due gravimetric value under current printing progress can being informed in by the hierarchy slicing model signals Unit Weight be combined into as silk material, by gravimetric value comparison due under current weight value and current printing progress, judge whether two numerical value mate, just can know that whether print state is normal.As current weight value is not mated with due gravimetric value in hierarchy slicing model signals, namely represent that blocking or disappearance silk material appear in printhead, make silk material normally from printhead extrusion molding, therefore cannot perform step S87, it is that three-dimensional printer stops printing that control signal exports stop control signal.As current weight value is mated with due gravimetric value in hierarchy slicing model signals, then perform step S86, continue current 3 D-printing.After printing completes, shaping model is positioned on this 3 D-printing platform, also calculates its weight by pressure sensor to model and also shows on the display unit.
Therefore, before three-dimensional imaging, the flatness of 3 D-printing platform is adjusted, effectively improve the quality of three-dimensional imaging model, simultaneously because the printhead of three-dimensional printer carries out threedimensional model imaging according to pre-determined model data and projected path according to model signals on objective table, therefore the below of objective table is provided with pressure sensor, just pressure sensor Real-time Obtaining force value or gravimetric value can be passed through, according to the analysis of model data and the comparison of pressure sensor image data, as control unit judgment models data are not mated with image data portion, namely may there is blocking or silk material deficiency in printhead, then control unit exports stop control signal, three-dimensional printer is made to stop printing, also can send prompting control signal simultaneously, while prompting user of service, also machine can be avoided to continue free-runing operation and waste time-write interval, then the implementing monitoring to print state is realized.
Above-described embodiment is preferred embodiment of the present utility model, can also adopt the technical scheme of other this area routines that support can vertically be regulated except adopting the supporting component in above-described embodiment, such as adopt cam as supporting component, to be abutted with support by the cam surface of cam and just can be realized the height adjustable of support by rotating cam, or adopt wedge assembly to be to realize height adjustable equally, to realize the purpose of this utility model equally, and the utility model can also adopt four supporting components or five supporting components to support support board, the purpose of this utility model can be realized too.
Claims (5)
1. three-dimensional printer, be included in 3 D-printing platform and the control unit of printhead, the vertically movement of movement in horizontal plane, described control unit is for controlling described printhead and described 3 D-printing platform movement;
It is characterized in that:
Described 3 D-printing platform comprises brace table, support board and pressure sensor, described pressure sensor is arranged between described brace table and described support board, described control unit controls described printhead according to model signals printer model on the print area of described support board, described pressure sensor is arranged on described support board and is positioned at below corresponding to described print area, described pressure sensor exports collection signal to described control unit, and described control unit exports control signal according to described model signals and described collection signal.
2. three-dimensional printer according to claim 1, is characterized in that:
Described 3 D-printing platform also comprises support, and described Bracket setting is on described brace table, and described Bracket setting is fluted, and described pressure sensor and described support board are arranged in described groove.
3. three-dimensional printer according to claim 2, is characterized in that:
Described 3 D-printing platform also comprises multiple supporting component, described Bracket setting is on multiple described supporting component, described supporting component comprises with described brace table threaded engagement and the screw vertically arranged and the spring be enclosed within outside described screw, the first end of described screw is fixedly connected with described support, and described spring is connected between described support and described brace table.
4. three-dimensional printer according to any one of claims 1 to 3, is characterized in that:
Described pressure sensor is the force-sensing sensor of sheet.
5. three-dimensional printer according to claim 4, is characterized in that:
Described force-sensing sensor is strain gauge resistance sensor, piezoelectric force transducer or capacitive force transducer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520895832.4U CN205148929U (en) | 2015-11-10 | 2015-11-10 | Three -dimensional printer |
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| CN201520895832.4U CN205148929U (en) | 2015-11-10 | 2015-11-10 | Three -dimensional printer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252770A (en) * | 2015-11-10 | 2016-01-20 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printing method and three-dimensional printer |
| WO2017080370A1 (en) * | 2015-11-09 | 2017-05-18 | 珠海天威飞马打印耗材有限公司 | Adjustment method for three-dimensional printing platform and three-dimensional printer |
| CN109732922A (en) * | 2016-11-11 | 2019-05-10 | 泉州市比邻三维科技有限公司 | A kind of improved expanded type 3D printing device |
| TWI680862B (en) * | 2017-11-23 | 2020-01-01 | 國立屏東科技大學 | 3d printer control system |
-
2015
- 2015-11-10 CN CN201520895832.4U patent/CN205148929U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017080370A1 (en) * | 2015-11-09 | 2017-05-18 | 珠海天威飞马打印耗材有限公司 | Adjustment method for three-dimensional printing platform and three-dimensional printer |
| CN105252770A (en) * | 2015-11-10 | 2016-01-20 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printing method and three-dimensional printer |
| WO2017080369A1 (en) * | 2015-11-10 | 2017-05-18 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printing method and three-dimensional printer |
| CN105252770B (en) * | 2015-11-10 | 2018-04-03 | 珠海天威飞马打印耗材有限公司 | 3 D-printing method and three-dimensional printer |
| CN109732922A (en) * | 2016-11-11 | 2019-05-10 | 泉州市比邻三维科技有限公司 | A kind of improved expanded type 3D printing device |
| CN109732922B (en) * | 2016-11-11 | 2021-07-06 | 泉州市比邻三维科技有限公司 | Improved expansion type 3D printing device |
| TWI680862B (en) * | 2017-11-23 | 2020-01-01 | 國立屏東科技大學 | 3d printer control system |
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Effective date of registration: 20220913 Address after: Room 103-036, 1st Floor, Building 1, No. 18, Futian Road, Xiangzhou District, Zhuhai City, Guangdong Province, 519000 (centralized office area) Patentee after: Zhuhai Tianwei Additives Co.,Ltd. Address before: 519060 Guangdong province Zhuhai Nanping Science and Technology Industrial Park, ping North Road No. 32 Patentee before: PRINT RITE UNICORN IMAGE PRODUCTS Co.,Ltd. OF ZHUHAI |