CN201357575Y - Rapid forming device combined with electrostatic spinning technology - Google Patents
Rapid forming device combined with electrostatic spinning technology Download PDFInfo
- Publication number
- CN201357575Y CN201357575Y CNU2009201062847U CN200920106284U CN201357575Y CN 201357575 Y CN201357575 Y CN 201357575Y CN U2009201062847 U CNU2009201062847 U CN U2009201062847U CN 200920106284 U CN200920106284 U CN 200920106284U CN 201357575 Y CN201357575 Y CN 201357575Y
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- point electrode
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Abstract
The utility model provides a rapid forming device combined with electrostatic spinning technology, which comprises a point electrode, a point electrode support, an electrostatic generator, a product platform, a product platform moving system, a capillary, a nozzle, a bracket and a spinning medium control device; the point electrode is connected with the anode of the electrostatic generator and the point electrode support can move up and down on the bracket; the product platform moving system drives the product platform to move freely in directions of X, Y and Z, the capillary is arranged right above the point electrode, the capillary is connected with the nozzle, the nozzle is mounted on the lower end of the spinning medium control device, the spinning medium control device is fixed in the middle of the upper end of the bracket. the utility model combines electrostatic spinning technology with rapid forming and has great effect on production of minisize parts; the rapid forming device has high forming speed on the production of rapid forming products with normal size, is flexible in machining and controlling and has wider application range.
Description
Technical field
The utility model relates to a kind of device that utilizes electrostatic spinning technique to make micro parts, belongs to the rapid shaping technique field.
Background technology
Rapid shaping technique (Rapid Prototyping abbreviates the RP technology as) is to utilize the principle of material superposition accumulation successively moulding to manufacture a product.Rapid shaping technique is integrated in one advanced technologies such as CAD (CAD), computer-aided manufacturing (CAM), computer numerical control (CNC) (CNC), elaborate servo driving and new material, being considered to an important breakthrough in the field of making over the past two decades, is one of focus of advanced at present manufacturing area research.
At present, rapid shaping technique has a variety of, selects territory sintering process (SLS), fusion sediment method (FDM), mask solidification method (SGC), three dimensional printing method (TDP) and grit blasting (BPM) etc. as the solid method (SLA) of light, layered manner (LOM), laser.Fusion sediment method (FDM) wherein, equipment is small and exquisite, cheap, Material Used is in extensive range because it has, can directly make advantage such as industrial products, has in enterprise the most widely and uses.Yet, the fusion sediment method rapidform machine of industrial application, general precision is not high, and, its nozzle diameter is generally at 0.2～0.6mm, melt through behind the nozzle since extrusion swelling effect diameter generally greater than 1mm, thereby fusion sediment method rapidform machine seems powerless for the production of micro parts.
Electrostatic spinning technique is a kind of important method for preparing superfine fibre and nanofiber, and typical electrospun fibers diameter is 40～2000nm.The research that electrostatic spinning technique and rapid shaping technique combine, also do not seen disclosed report at present.
The utility model content
A kind of rapid molding device that the utility model proposes in conjunction with electrostatic spinning technique, electrostatic spinning technique is applied in the rapid shaping, utilize electrostatic spinning technique can spin the characteristics of superfine fibre, solved the deficiency of fusion sediment method rapidform machine aspect the production micro parts, the goods precision improves, and the outlet of goods and spinning MEDIA FLOW can maintain a certain distance, thereby the goods platform only has high-precision requirement at two-dimensional direction, makes the equipment processing cost reduce.
A kind of rapid molding device of the utility model in conjunction with electrostatic spinning technique, comprise point electrode, point electrode saddle, electrostatic generator, goods platform, goods platform motion system, capillary, nozzle, support and spinning medium control device, point electrode is connected with the positive pole of electrostatic generator, point electrode is installed on the point electrode saddle, the point electrode saddle is installed in the lower end of support, the point electrode saddle can move up and down on support, is used to regulate the tip of point electrode and the distance of capillary end; Goods platform motion system drives the goods platform and can move up and down on support, regulate goods platform and distance capillaceous, goods platform motion system is connected with computer system, to be input in the computer according to the goods platform motion program of preprocessing shape of products establishment, control the movement locus of goods platform by computer program, capillary is connected with the earth, capillary is directly over point electrode, capillary links to each other with nozzle, nozzle is installed in the lower end of spinning medium control device, and spinning medium control device is fixed on the middle part of the upper end of support.Fly to point electrode from the charged spinning medium injection stream of capillary end ejection along straight line path, because the obstruct of goods platform, injection stream will be deposited on the goods platform.The goods platform is the thin-walled flat board of an insulation, it can be implemented in three directions of XYZ and move freely under the drive of goods platform motion system, require high along XY direction kinematic accuracy, kinematic accuracy along the Z direction does not require very high, goods are determined according to the number of plies of piling up along the size of Z direction, in the goods process, the goods platform is static along the Z direction, thereby this device is lower than conventional fusion sediment method rapidform machine cost, because the injection stream of the spinning medium that produces under electrostatic field can reach micron order or nanoscale, so method can be prepared atomic little precision component thus.In addition, the jet flow of spinning medium is under the effect of electric field force, and by increasing voltage, the flow velocity of spinning medium or flow can increase, so for the rapid shaping goods of common size, adopt this device can improve process velocity.Spinning medium control device can be the screw structure, mainly comprise barrel, hopper, control device for pivoting, screw rod, heater and temperature sensor, the spinning medium joins the barrel from hopper, control device for pivoting drive screw rod rotate with the spinning homogeneous media be squeezed into nozzle, flow out through capillary, capillary and nozzle adopt cone match, and nozzle adopts screw to be connected with barrel.Coat heater in the barrel outside, temperature sensor is installed on the barrel.
Spinning medium control device also can be a plunger-type structure, mainly comprise barrel, plunger, micro-displacement driver, heater and temperature sensor, quantitative spinning medium is joined in the barrel, plunger is positioned over and acts in the barrel on the spinning medium, micro-displacement driver drives plunger moves it in barrel, plunger makes the spinning medium flow out via nozzle and capillary by the control of micro-displacement driver, coats heater, mounting temperature sensor on barrel in the barrel outside.
A kind of rapid molding device in conjunction with electrostatic spinning technique that the utility model proposes, the spinning medium can be graininess or pulverous polymer, also can be polymer solution.When the spinning medium was polymer solution, heater was not worked.When the spinning medium was graininess or pulverous polymer, heater work was for the curing that delays melt jet stream can be installed heat lamp on the goods platform.
A kind of rapid molding device in conjunction with electrostatic spinning technique that the utility model proposes for the production of micro parts, has significant effect.According to producing needs, regulate various technological parameters, can produce micron-sized precision component, rapid shaping goods for stock size, shaping speed is fast, because can regulate the diameter of the injection stream of spinning medium by the distance of regulating electrostatic potential and capillary and point electrode, so machining control is flexible, the scope of adaptation is wideer.
Description of drawings
Fig. 1 is the schematic diagram of a kind of rapid molding device in conjunction with electrostatic spinning technique that the utility model proposes
Fig. 2 is that the spinning medium control device in conjunction with the rapid molding device of electrostatic spinning technique that the utility model proposes is the schematic diagram of plunger-type structure
Among the figure: 1. point electrode saddle, 2. point electrode, 3. electrostatic generator, 4. goods platform motion system, 5. goods platform, 6. goods, 7. capillary, 8. nozzle, 9. support, 10. spinning medium control device, 10-1. heater, 10-2. barrel, 10-3. hopper, 10-4. control device for pivoting, 10-5. screw rod, 10-6. temperature sensor, 10-7. plunger, 10-8. micro-displacement driver.
The specific embodiment
A kind of rapid molding device of the utility model in conjunction with electrostatic spinning technique, see Fig. 1 and Fig. 2, this device comprises point electrode 2, point electrode saddle 1, electrostatic generator 3, goods platform 5, goods platform motion system 4, capillary 7, nozzle 8, support 9 and spinning medium control device 10, point electrode 2 is connected with the positive pole of electrostatic generator 3, point electrode 2 is installed on the point electrode saddle 1, point electrode saddle 1 is installed in the lower end of support 9, point electrode saddle 1 can move up and down on support 9, is used to regulate the tip of point electrode 2 and the distance of capillary 7 ends; Goods platform motion system 4 drives goods platform 5 and can move up and down on support 9, regulate the vertical range of capillary 7 and goods platform 5, goods platform motion system 4 is connected with computer system, to be input in the computer according to goods platform 5 motor programs of preprocessing shape of products establishment, control the movement locus of goods platform 5 by computer program, capillary 7 is connected with the earth, capillary 7 is directly over point electrode 2, capillary 7 links to each other with nozzle 8, nozzle 8 is installed in the lower end of spinning medium control device 10, and spinning medium control device 10 is fixed on the middle part of the upper end of support 9.Fly to point electrode 2 from the charged spinning medium injection stream of capillary 7 terminal ejections along straight line path, because the obstruct of goods platform 5, injection stream will be deposited on the goods platform 5.Goods platform 5 is thin-walled flat boards of an insulation, it can be implemented in three directions of XYZ and move freely under the drive of goods platform motion system 4, by the high-precision motion of elaborate servo driving along the XY direction, goods platform and point electrode saddle 1 can adopt the pneumatic of routine along the Z direction, surge or mechanically operated motion, precision does not require very high, goods 6 are determined according to the number of plies of piling up along the size of Z direction, in goods 6 process, goods platform 5 is static along the Z direction, thereby this device reduces the high-precision motion of a direction than conventional fusion sediment method rapidform machine, apparatus cost reduces, because the injection stream of the spinning medium that produces under electrostatic field can reach micron order or nanoscale, so method can be prepared atomic little precision component thus.In addition, the jet flow of spinning medium is under the effect of electric field force, and by increasing voltage, the spinning rate-of flow can increase, so for the rapid shaping goods of common size, adopt this device can improve process velocity.Spinning medium control device 10 can adopt the screw structure, mainly comprise barrel 10-2, hopper 10-3, control device for pivoting 10-4, screw rod 10-5, heater 10-1 and temperature sensor 10-6, the spinning medium joins the barrel 10-2 from hopper 10-3, control device for pivoting 10-4 drive screw rod 10-5 rotate with the spinning homogeneous media be squeezed into nozzle 8, flow out through capillary 7 again, capillary 7 and nozzle 8 adopt cone match, nozzle 8 adopts screw to be connected with barrel 10-2, coat heater 10-1 in the barrel 10-2 outside, and mounting temperature sensor 10-6.Shown in Figure 2 is the spinning medium control device 10 of plunger-type structure, comprise barrel 10-2, heater 10-1, temperature sensor 10-6, plunger 10-7 and micro-displacement driver 10-8 in its structure, quantitative spinning medium is joined among the barrel 10-2, plunger 10-7 is positioned over and acts among the barrel 10-2 on the spinning medium, and plunger 10-7 makes the spinning medium evenly flow out via nozzle 8 and capillary 7 by the control of micro-displacement driver 10-8.
The utility model is described in further detail below in conjunction with specific embodiment.Capillary 7 internal diameters are 0.2mm among Fig. 1, and screw rod 10-5 diameter is 14mm, and capillary 7 terminal distances with point electrode 2 are 15cm, and the spinning medium is graininess PP, and barrel 10-2 design temperature is 250 ℃.
Procedure of processing: at first barrel 10-2 is heated to design temperature, start the control device for pivoting 10-4 that is connected with screw rod 10-5 then, when capillary 7 ends form melt droplets by the time, open the power supply of electrostatic generator 3, and progressively regulate the voltage of point electrode 2 until the capillary 7 terminal melt jet streams that produce are removed the clout on the workbench then, open goods platform motion system 4 and computer program, goods platform 5 track as requested moves, and final production goes out required goods 6.By the method, can spin the superfine fibre of tens nanometers, can produce micron-sized micro parts.
Claims (4)
1, a kind of rapid molding device in conjunction with electrostatic spinning technique, it is characterized in that: this device comprises point electrode, point electrode saddle, electrostatic generator, goods platform, goods platform motion system, capillary, nozzle, support and spinning medium control device, point electrode is connected with the positive pole of electrostatic generator, point electrode is installed on the point electrode saddle, the point electrode saddle is installed in the lower end of support, and the point electrode saddle can move up and down on support; Goods platform motion system drives the goods platform and can move up and down on support, goods platform motion system is connected with computer system, control the movement locus of goods platform by computer program, capillary is connected with the earth, capillary is directly over point electrode, capillary links to each other with nozzle, and nozzle is installed in the lower end of spinning medium control device, and spinning medium control device is fixed on the middle part of the upper end of support; The goods platform is the thin-walled flat board of an insulation, and it can be implemented in three directions of XYZ and move freely under the drive of goods platform motion system; Spinning medium control device can be the screw structure, mainly comprise barrel, hopper, control device for pivoting, screw rod, heater and temperature sensor, control device for pivoting drives screw rod and rotates, capillary and nozzle adopt cone match, nozzle adopts screw to be connected with barrel, coat heater in the barrel outside, temperature sensor is installed on the barrel.
2, device according to claim 1, it is characterized in that: spinning medium control device also can be a plunger-type structure, mainly comprise barrel, plunger, micro-displacement driver, heater and temperature sensor, micro-displacement driver drives plunger moves plunger in barrel.
3, device according to claim 1 is characterized in that: on the goods platform heat lamp can be installed.
4, device according to claim 1 is characterized in that: the spinning medium can be graininess or pulverous polymer, also can be polymer solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201062847U CN201357575Y (en) | 2009-03-20 | 2009-03-20 | Rapid forming device combined with electrostatic spinning technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201062847U CN201357575Y (en) | 2009-03-20 | 2009-03-20 | Rapid forming device combined with electrostatic spinning technology |
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| Publication Number | Publication Date |
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| CN201357575Y true CN201357575Y (en) | 2009-12-09 |
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| CNU2009201062847U Expired - Lifetime CN201357575Y (en) | 2009-03-20 | 2009-03-20 | Rapid forming device combined with electrostatic spinning technology |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967687A (en) * | 2010-09-20 | 2011-02-09 | 北京化工大学 | Multi-row electrostatic spinning spray head |
| CN102191568A (en) * | 2010-03-16 | 2011-09-21 | 北京化工大学 | Device for promoting electrostatic spinning of high-viscosity polymer melt by using rod-climbing effect |
| CN102864502A (en) * | 2012-09-28 | 2013-01-09 | 北京化工大学 | Airflow assisted internal conical surface distributed electrostatic spinning nozzle |
| CN103407293A (en) * | 2013-07-23 | 2013-11-27 | 广东工业大学 | Micro-nano-size three-dimensional printer based on near-field electrospinning direct writing technology |
| CN103407292A (en) * | 2013-07-23 | 2013-11-27 | 广东工业大学 | Compound micro-nano three-dimensional printing system |
| CN103600495A (en) * | 2013-11-19 | 2014-02-26 | 北京化工大学 | Controllable type electrostatic spinning three-dimensional printing device |
| CN104175720A (en) * | 2013-05-28 | 2014-12-03 | 上海启培智能科技有限公司 | General 3D printer spray head |
| CN104441655A (en) * | 2014-10-28 | 2015-03-25 | 湖南大学 | Three-dimensional printing system for electrostatic drawing wires |
| CN105887217A (en) * | 2016-06-07 | 2016-08-24 | 上海工程技术大学 | 3D printing nozzle and printer used for electrostatic spinning |
| CN108068308A (en) * | 2017-11-07 | 2018-05-25 | 北京科田高新技术有限公司 | A kind of Static Spinning wire form 3D printer and its application |
-
2009
- 2009-03-20 CN CNU2009201062847U patent/CN201357575Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102191568A (en) * | 2010-03-16 | 2011-09-21 | 北京化工大学 | Device for promoting electrostatic spinning of high-viscosity polymer melt by using rod-climbing effect |
| CN102191568B (en) * | 2010-03-16 | 2013-04-10 | 北京化工大学 | Device for promoting electrostatic spinning of high-viscosity polymer melt by using rod-climbing effect |
| CN101967687A (en) * | 2010-09-20 | 2011-02-09 | 北京化工大学 | Multi-row electrostatic spinning spray head |
| CN101967687B (en) * | 2010-09-20 | 2012-08-29 | 北京化工大学 | Multi-row electrostatic spinning spray head |
| CN102864502A (en) * | 2012-09-28 | 2013-01-09 | 北京化工大学 | Airflow assisted internal conical surface distributed electrostatic spinning nozzle |
| CN104175720A (en) * | 2013-05-28 | 2014-12-03 | 上海启培智能科技有限公司 | General 3D printer spray head |
| CN103407292A (en) * | 2013-07-23 | 2013-11-27 | 广东工业大学 | Compound micro-nano three-dimensional printing system |
| CN103407293A (en) * | 2013-07-23 | 2013-11-27 | 广东工业大学 | Micro-nano-size three-dimensional printer based on near-field electrospinning direct writing technology |
| CN103407292B (en) * | 2013-07-23 | 2016-04-20 | 广东工业大学 | A kind of composite micro-nano 3 D-printing system |
| CN103600495A (en) * | 2013-11-19 | 2014-02-26 | 北京化工大学 | Controllable type electrostatic spinning three-dimensional printing device |
| CN103600495B (en) * | 2013-11-19 | 2017-02-15 | 北京化工大学 | Controllable type electrostatic spinning three-dimensional printing device |
| CN104441655A (en) * | 2014-10-28 | 2015-03-25 | 湖南大学 | Three-dimensional printing system for electrostatic drawing wires |
| CN105887217A (en) * | 2016-06-07 | 2016-08-24 | 上海工程技术大学 | 3D printing nozzle and printer used for electrostatic spinning |
| CN105887217B (en) * | 2016-06-07 | 2018-10-16 | 上海工程技术大学 | A kind of 3D printing nozzle and printer for electrostatic spinning |
| CN108068308A (en) * | 2017-11-07 | 2018-05-25 | 北京科田高新技术有限公司 | A kind of Static Spinning wire form 3D printer and its application |
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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: 20091209 Effective date of abandoning: 20090320 |