CN204658947U - Checkout gear and three-dimensional printer - Google Patents
Checkout gear and three-dimensional printer Download PDFInfo
- Publication number
- CN204658947U CN204658947U CN201420840549.7U CN201420840549U CN204658947U CN 204658947 U CN204658947 U CN 204658947U CN 201420840549 U CN201420840549 U CN 201420840549U CN 204658947 U CN204658947 U CN 204658947U
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- China
- Prior art keywords
- checkout gear
- photoelectric sensor
- dimensional printer
- printhead
- control unit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a kind of for the checkout gear in fusion sediment type three-dimensional printer, comprises mount pad and the first detecting unit; First detecting unit comprises the first detection wheel, spring, the first photoelectric sensor and the positioning roller be rotatably mounted on mount pad and squeezing roller; The axis of squeezing roller and the axis being parallel of positioning roller and distance between axles is adjustable, the restoring force of spring forces the distance between axles between the two to become little, is formed with the passage of shaping silk between the working face of squeezing roller and the working face of positioning roller; First detects wheel is connected with speed ground, angle is coaxial with squeezing roller or positioning roller, and first detects wheel comprises base portion and the occlusion part circumferentially along base portion, and the light path of the first photoelectric sensor rotates around the axis that first detects wheel the plane formed through occlusion part.Whether this detection shape can there is the empty problem such as to beat with detection three-dimensional printer.In addition, the utility model also provides the three-dimensional printer using this checkout gear.
Description
Technical field
The utility model relates to a kind of device for measuring extrusion equipment and this extrusion equipment, specifically, relates to a kind of for the checkout gear in fusion sediment type three-dimensional printer and the three-dimensional printer using this checkout gear.
Background technology
Three-dimensional printer, is a kind of mathematical model based on three-dimensional body, utilizes powdery metal or plastic or other material, constructed the equipment of three-dimensional body by the mode successively printed.
Notification number is describe a kind of three-dimensional printer supplying moulding material with the form of filament to printhead in the background technology of the patent document of CN1216726C, see Fig. 1, three-dimensional printer 01 has printhead 011, feeding device 012, conduit 013 and objective table 014; Feeding device 012 has the supply disk 0121 that is wound with shaping silk 0123; Printhead 011 has a pair material-feeding rolling wheels 0113 and 0114 driven by motor 0115, liquefier 0111 and be located at the printing nozzle 0112 of liquefier 0111 lower end.Supply disk 0121 is installed in the rotating shaft 0122 of the supply disk installing rack of three-dimensional printer 01, thus shaping silk 0123 is supplied to printhead 011.In use, shaping silk 0123 is pulled out from supply disk 0121, make the conduit 013 that the shaping silk be straightened is made by the material less by frictional resistance, until shaping silk is supplied to material-feeding rolling wheels 0113 and 0114, the material-feeding rolling wheels 0113 and 0114 driven by motor 0115 promotes shaping silk and enters liquefier 0111 to produce a what is called " liquifier pump effect ", namely shaping silk itself is equivalent to a piston, enter the moulding material of the shaping silk extrusion molten state in liquefier 0111, make it to extrude from printing nozzle 0112 by certain volumetric rate and be deposited on the loading surface of objective table 014.The control unit of three-dimensional printer 01 moves in the X-Y plane of level by controlling printhead 011, controls objective table 014 Z axis vertically simultaneously and moves, thus print three-dimensional body layer by layer.
But in print procedure, when there is blocking or Partial Blocking in printing nozzle 0112, material-feeding rolling wheels 0113 and 0114 easily skids with shaping silk, the moulding material of molten condition cannot be extruded from printing nozzle, or the diameter extruding molten condition moulding material is less than normal, cause occurring the empty print quality beating or reduce three-dimensional body; When lacking shaping silk in feeding device 012, will cause occurring empty beating; When material-feeding rolling wheels non rotating, also will cause occurring empty beating.
Summary of the invention
Main purpose of the present utility model is to provide a kind of for the checkout gear in fusion sediment type three-dimensional printer, is intended to emptyly can to beat using the three-dimensional printer of different-diameter specification shaping silk to occur, the problem such as printing nozzle Partial Blocking or the scarce material of feeding device monitors;
Another object of the present utility model is to provide a kind of three-dimensional printer using above-mentioned detection device.
In order to realize above-mentioned main purpose, the utility model provides a kind of for the checkout gear in three-dimensional printer, and this checkout gear comprises mount pad and the first detecting unit; First detecting unit comprises the first detection wheel, spring, the first photoelectric sensor and the positioning roller be rotatably mounted on mount pad and squeezing roller; The axis of squeezing roller and the axis being parallel of positioning roller and distance between axles is adjustable, the restoring force of spring forces the distance between axles between squeezing roller and positioning roller to become little, is formed with the passage of shaping silk between the working face of squeezing roller and the working face of positioning roller; First detects wheel is connected with speed ground, angle is coaxial with squeezing roller or positioning roller, and first detects wheel comprises base portion and the occlusion part circumferentially along base portion, and the light path of the first photoelectric sensor rotates around the axis that first detects wheel the plane formed through occlusion part.
From above scheme, after a three-dimensional printer uses above-mentioned detection device, control in the material-feeding rolling wheels rotary course of three-dimensional printer at control unit, when the detection data display first detection wheel of the first photoelectric sensor stops the rotation, show that blocking appears in printing nozzle, feeding device lacks shaping silk, or material-feeding rolling wheels stops the rotation; If when the rotary speed of the detection data display first detection wheel of the first photoelectric sensor is lower than desired speed, show that Partial Blocking appears in printing nozzle, at this moment control unit controls printhead and quits work, thus prevent three-dimensional printer occur empty beat or print quality not high.In addition, because the distance between axles of squeezing roller and positioning roller becomes little by the restoring force effect of spring, this checkout gear is made can be suitable for the three-dimensional printer using the shaping silk of different-diameter specification.
First concrete scheme is the import or export that mount pad is provided with for shaping silk turnover, is nearby provided with the second photoelectric sensor at import or export, and whether this second photoelectric sensor has shaping silk for detecting import or export.
From above scheme, the detection data of comprehensive second photoelectric sensor and the first photoelectric sensor, can know and whether stop the rotation the first detection wheel shaping silk causes because feeding device lacks, be convenient to user and fix a breakdown fast.
Second concrete scheme is for also to comprise the 3rd detecting unit, and the 3rd detecting unit comprises the 3rd and detects wheel and the 3rd photoelectric sensor, and the 3rd detects wheel is used for being connected with speed ground, angle is coaxial with the material-feeding rolling wheels in printhead; 3rd detects wheel comprises base portion and the occlusion part circumferentially along base portion, and the light path of the 3rd photoelectric sensor rotates around the axis that the 3rd detects wheel the plane formed through occlusion part.
From above scheme, by judging the detection data of the 3rd photoelectric sensor, can judge whether to cause because material-feeding rolling wheels stops the rotation stopping printing.
Preferred scheme is that a swing arm swingingly can be fixed on base around its one end, squeezing roller is rotatably mounted in the other end of swing arm, spring is torsion spring, the circle of turning round of torsion spring is fixed on mount pad, one torque arm of torsion spring is pressed in the rotating shaft of squeezing roller, and another torque arm is pressed on the madial wall of base.
In order to realize another object above-mentioned, the utility model provides the first three-dimensional printer, this three-dimensional printer comprises printhead, control unit, feeding device and checkout gear, wherein, the checkout gear of checkout gear described by above-mentioned main technical schemes, along the direct of travel of shaping silk, checkout gear is positioned at the upstream of printhead, and the first photoelectric sensor is electrically connected with control unit.
In order to realize another object above-mentioned, the utility model provides the second three-dimensional printer, and this three-dimensional printer comprises printhead, control unit, feeding device and checkout gear, wherein, and the checkout gear of checkout gear described in above-mentioned first concrete scheme; Along the direct of travel of shaping silk, checkout gear is positioned at the upstream of printhead, and the first photoelectric sensor and the second photoelectric sensor are electrically connected with control unit; This three-dimensional printer also comprises the fault alarm that is electrically connected with control unit and lacks expects alarm.
In order to realize another object above-mentioned, the utility model provides the third three-dimensional printer, this three-dimensional printer comprises printhead, control unit, feeding device and checkout gear, wherein, the checkout gear of this checkout gear described in above-mentioned second concrete scheme, along the direct of travel of shaping silk, checkout gear is positioned at the upstream of printhead, and the first photoelectric sensor, the second photoelectric sensor and the 3rd photoelectric sensor are electrically connected with control unit.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of existing three-dimensional printer;
Fig. 2 is the stereogram of the utility model three-dimensional printer first embodiment;
Fig. 3 is the stereogram at another visual angle of Fig. 2;
Fig. 4 is the structure chart of the utility model checkout gear first embodiment;
Fig. 5 coordinates schematic diagram in the utility model checkout gear first embodiment between squeezing roller with base;
Fig. 6 is the structure chart that the utility model checkout gear first embodiment omits base;
Fig. 7 is the detection data time sequence figure of the utility model checkout gear first embodiment;
Fig. 8 is the structure chart of the utility model checkout gear second embodiment;
Fig. 9 is the structure chart of the utility model checkout gear the 3rd embodiment;
Figure 10 coordinates schematic diagram in the utility model checkout gear the 6th embodiment between squeezing roller with base.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Detailed description of the invention
Checkout gear and three-dimensional printer first embodiment
See Fig. 2, three-dimensional printer 1 has housing 11 and is installed on objective table 12, printhead 13, feeding device 14, checkout gear and the control unit on housing 11.The shaping silk of feeding device 14 is supplied to printhead 13 by flexible pipe 15, and control unit is electrically connected with the electric elements on printhead 13 by control line 16.
See Fig. 3, checkout gear 17 is installed on the rear plate 111 of housing 11, the shaping silk of feeding device 14 enters checkout gear 17 by the guiding of flexible pipe 18, by entering printhead 13 after checkout gear 17 under the guiding of flexible pipe 15, namely, on the direct of travel along shaping silk, checkout gear 17 is positioned at the upstream of printhead 13.
See Fig. 4, checkout gear 17 is made up of mount pad 171, swing arm and the first detecting unit, and the first detecting unit detects wheel 174, first photoelectric sensor 175 by positioning roller 172, squeezing roller 173, first and torsion spring 176 is formed.Checkout gear 17 is installed on the rear plate 111 of three-dimensional printer by mount pad 171.First detects wheel 174 is formed by base portion 1741 and around the uniform occlusion part 1742 of base portion 1741 circumference.Positioning roller 172 and squeezing roller 173 are rotatably mounted on mount pad 171, and first detects wheel 174 is connected with squeezing roller 173 isogonism speed ground is coaxial.First photoelectric sensor 175 is made up of light source, light path and photoelectric cell, and photoelectric cell is electrically connected with control unit, and light path detects wheel 174 axis through occlusion part 1742 around first and rotates the plane formed.The circle of turning round of torsion spring 176 is fixed on mount pad 171 by fixture 1711, and a torque arm is pressed in the rotating shaft of squeezing roller 173, and another torque arm is pressed on the madial wall of mount pad 171.
See Fig. 5, swing arm 1713 can be fixed on mount pad 171 around its one end by fixture 1712 rotatably, and squeezing roller 173 can 177 be installed on the other end of swing arm 1712 around the shaft rotatably.
See Fig. 6, a torque arm 1761 of torsion spring 176 is pressed in rotating shaft 177; The passage of shaping silk 141 is formed between the working face of positioning roller 172 and the working face of squeezing roller 173; Due to the effect of torsion spring 176 restoring force, force that checkout gear 17 emptyly can be beaten using the three-dimensional printer of different-diameter specification shaping silk 141 to occur, printing nozzle Partial Blocking or feeding device lack material and detect.Carry out in the process printed at three-dimensional printer 1, the material-feeding rolling wheels that control unit controls in printhead 13 rotates, shaping silk 141 is pulled to advance, shaping silk 141 drives again positioning roller 172 and squeezing roller 173 to rotate, thus drive the first detection wheel 174 to rotate, detect data normally from the first photoelectric sensor 175 output services.
See Fig. 7, in the process that material-feeding rolling wheels in control unit control printhead 13 normally rotates, the shaping silk 141 of advancing drives squeezing roller 173 to rotate, thus drive the first detection wheel 174 to rotate, the waveform that first photoelectric sensor 175 exports is A, it is the detection data of normal work, i.e. the data of desired speed; When Partial Blocking appears in printing head, the rotary speed of the first detection wheel 174 is slack-off, and the waveform that the first photoelectric sensor 175 exports is B; When printing head appearance blocking, feeding device 14 occur lacking moulding material or material-feeding rolling wheels non rotating, now the first detection wheel 174 stops the rotation, and the waveform that the first photoelectric sensor 175 exports is C or D.Control unit controls material-feeding rolling wheels and normally carries out carrying in shaping silk process, when the detection signal that checkout gear feeds back to control unit is different from the waveform A preset, when namely there is signal B, C or D, control unit controls printhead 12 and quits work, and user informed by startup separator alarm.
Checkout gear and three-dimensional printer second embodiment
As the explanation to the utility model checkout gear and three-dimensional printer second embodiment, only the difference with above-mentioned detection device and three-dimensional printer first embodiment is described below.
This three-dimensional printer has two printheads, for printing the shaping silk of two kinds of different sizes.
See Fig. 8, checkout gear 27 has two the first detecting units, accordingly for detecting the conveying condition of shaping silk 2411 and 2412.Be provided with the guide groove 282 guiding shaping wire rows to enter in the import department of checkout gear 27, exit is provided with the guide groove 281 guiding shaping wire rows to enter.
Checkout gear and three-dimensional printer the 3rd embodiment
As the explanation to the utility model checkout gear and three-dimensional printer the 3rd embodiment, only the difference with above-mentioned detection device and three-dimensional printer first embodiment is described below.
Whether see Fig. 9, being provided with the second photoelectric sensor 379, second photoelectric sensor 379 near the import of checkout gear 37 has shaping silk 341 for detecting import department.Thus can judge whether feeding device lacks shaping silk.
Checkout gear and three-dimensional printer the 4th embodiment
As the explanation to the utility model checkout gear and three-dimensional printer the 4th embodiment, only the difference with above-mentioned detection device and three-dimensional printer first embodiment is described below.
Second photoelectric sensor is located near the outlet of checkout gear.
Checkout gear and three-dimensional printer the 5th embodiment
As the explanation to the utility model checkout gear and three-dimensional printer the 5th embodiment, only the difference with above-mentioned detection device and three-dimensional printer first embodiment is described below.
Three-dimensional printer is also provided with the fault alarm be electrically connected with control unit and lacks and expect alarm, when checkout gear detects that feeding device lacks shaping silk, control unit starts to lack expects alarm, startup separator alarm in other situations.
Checkout gear and three-dimensional printer the 6th embodiment
As the explanation to the utility model checkout gear and three-dimensional printer the 6th embodiment, only the difference with above-mentioned detection device and three-dimensional printer first embodiment is described below.
On material-feeding rolling wheels, isogonism is coaxially connected with the 3rd fastly and detects wheel, and the 3rd detects wheel is formed by by base portion and around the uniform occlusion part of base portion circumference, and the light path of the 3rd photoelectric sensor detects wheel axis through occlusion part around the 3rd and rotates the plane formed; 3rd detects the 3rd detecting unit of taking turns and forming checkout gear with the 3rd photoelectric sensor.
Can judge whether material-feeding rolling wheels stops the rotation by the detection data of the 3rd photoelectric sensor.
Checkout gear and three-dimensional printer the 7th embodiment
As the explanation to the utility model checkout gear and three-dimensional printer the 7th embodiment, only the difference with above-mentioned detection device and three-dimensional printer first embodiment is described below.
See Figure 10, swing arm is substituted with chute 4712, squeezing roller 473 is rotatably mounted in its rotating shaft 477, rotating shaft 477 can be installed in chute 4712 along chute 4712 movably, one end of one spring is fixed on base, the other end is pressed in rotating shaft 477, thus is extruded near the direction of positioning roller by squeezing roller 473.
Claims (7)
1. checkout gear, for three-dimensional printer, comprises mount pad and the first detecting unit;
It is characterized in that:
Described first detecting unit comprises the first detection wheel, spring, the first photoelectric sensor and the positioning roller be rotatably mounted on described mount pad and squeezing roller;
The axis of described squeezing roller and the axis being parallel of described positioning roller and distance between axles is adjustable, the restoring force of described spring forces described distance between axles to become little, is formed with the passage of shaping silk between the working face of described squeezing roller and the working face of described positioning roller;
Described first detects wheel is connected with angle speed is coaxial rotationally with described squeezing roller or described positioning roller, described first detects wheel comprises base portion and the occlusion part circumferentially along described base portion, and the light path of described first photoelectric sensor rotates around the axis that described first detects wheel the plane formed through described occlusion part.
2. checkout gear according to claim 1, is characterized in that:
Described mount pad is provided with import for described shaping silk turnover and outlet, described import or described outlet be nearby provided with the second photoelectric sensor, described second photoelectric sensor is for detecting described import or whether described outlet has shaping silk.
3. checkout gear according to claim 2, is characterized in that:
Also comprise the 3rd detecting unit, described 3rd detecting unit comprises the 3rd and detects wheel and the 3rd photoelectric sensor, and the described 3rd detects wheel is used for coaxially being connected rotationally with angle speed with the material-feeding rolling wheels in the printhead of three-dimensional printer;
Described 3rd detects wheel comprises base portion and the occlusion part circumferentially along base portion, and the light path of described 3rd photoelectric sensor rotates around the axis that the described 3rd detects wheel the plane formed through occlusion part.
4. checkout gear according to any one of claims 1 to 3, is characterized in that:
One swing arm swingingly can be fixed on described mount pad around its one end, described squeezing roller is rotatably mounted in the other end of described swing arm, described spring is torsion spring, the circle of turning round of described torsion spring is fixed on described mount pad, one torque arm of described torsion spring is pressed in the rotating shaft of described squeezing roller, and another torque arm is pressed on the madial wall of described mount pad.
5. three-dimensional printer, comprises printhead, control unit and feeding device;
It is characterized in that:
Checkout gear, described checkout gear is checkout gear described in claim requirement 1;
Along the direct of travel of shaping silk, described checkout gear is positioned at the upstream of described printhead;
Described first photoelectric sensor is electrically connected with described control unit.
6. three-dimensional printer, comprises printhead, control unit and feeding device;
It is characterized in that:
Checkout gear, described checkout gear is checkout gear described in claim 2;
Along the direct of travel of shaping silk, described checkout gear is positioned at the upstream of described printhead;
Described first photoelectric sensor and described second photoelectric sensor are electrically connected with described control unit;
Also comprise the fault alarm that is electrically connected with described control unit and lack and expect alarm.
7. three-dimensional printer, comprises printhead, control unit and feeding device;
It is characterized in that:
Checkout gear, described checkout gear is checkout gear described in claim 3;
Along the direct of travel of shaping silk, described checkout gear is positioned at the upstream of described printhead;
Described first photoelectric sensor, described second photoelectric sensor and described 3rd photoelectric sensor are electrically connected with described control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420840549.7U CN204658947U (en) | 2014-12-24 | 2014-12-24 | Checkout gear and three-dimensional printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420840549.7U CN204658947U (en) | 2014-12-24 | 2014-12-24 | Checkout gear and three-dimensional printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204658947U true CN204658947U (en) | 2015-09-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420840549.7U Withdrawn - After Issue CN204658947U (en) | 2014-12-24 | 2014-12-24 | Checkout gear and three-dimensional printer |
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| Country | Link |
|---|---|
| CN (1) | CN204658947U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104552946A (en) * | 2014-12-24 | 2015-04-29 | 珠海天威飞马打印耗材有限公司 | Detection device, three-dimensional printer and three-dimensional printing method |
| CN105500712A (en) * | 2016-01-08 | 2016-04-20 | 浙江理工大学 | Three-degree-of-freedom three-dimensional printer and control method |
| CN105666867A (en) * | 2016-01-08 | 2016-06-15 | 浙江理工大学 | Three-dimensional printer and control method |
| CN107839234A (en) * | 2017-09-26 | 2018-03-27 | 芜湖天梦信息科技有限公司 | A kind of 3D printing silk material conveying device |
-
2014
- 2014-12-24 CN CN201420840549.7U patent/CN204658947U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104552946A (en) * | 2014-12-24 | 2015-04-29 | 珠海天威飞马打印耗材有限公司 | Detection device, three-dimensional printer and three-dimensional printing method |
| CN105500712A (en) * | 2016-01-08 | 2016-04-20 | 浙江理工大学 | Three-degree-of-freedom three-dimensional printer and control method |
| CN105666867A (en) * | 2016-01-08 | 2016-06-15 | 浙江理工大学 | Three-dimensional printer and control method |
| CN105666867B (en) * | 2016-01-08 | 2017-12-29 | 浙江理工大学 | A kind of three-dimensional printer and control method |
| CN105500712B (en) * | 2016-01-08 | 2018-01-30 | 浙江理工大学 | A kind of control method of Three Degree Of Freedom three-dimensional printer |
| CN107839234A (en) * | 2017-09-26 | 2018-03-27 | 芜湖天梦信息科技有限公司 | A kind of 3D printing silk material conveying device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150923 Effective date of abandoning: 20160928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |