CN210126284U - Quick 3D printing device of face shaping based on electrostatic spinning method - Google Patents
Quick 3D printing device of face shaping based on electrostatic spinning method Download PDFInfo
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- CN210126284U CN210126284U CN201920994845.5U CN201920994845U CN210126284U CN 210126284 U CN210126284 U CN 210126284U CN 201920994845 U CN201920994845 U CN 201920994845U CN 210126284 U CN210126284 U CN 210126284U
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- 238000010146 3D printing Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000010041 electrostatic spinning Methods 0.000 title claims abstract description 20
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- 238000003825 pressing Methods 0.000 claims description 5
- 238000001523 electrospinning Methods 0.000 claims 2
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Abstract
The utility model belongs to the technical field of printing apparatus, concretely relates to quick 3D printing device of face shaping based on electrostatic spinning method, the major structure includes the shell body, the lift dash receiver, high-voltage electrostatic generator, drive gyro wheel, driven gyro wheel, left storage bucket, right storage bucket, the thimble lifter plate, flexible membrane and thimble, adopt raw and other materials direct melting to utilize electrostatic spinning mode to carry out 3D to print, through the reciprocating realization multiple spot efflux on the plane of controlling a plurality of thimbles simultaneously on-off control, make the synchronous quick accurate location deposit solidification of multistrand efflux on the plane and bond, face-by-face shaping forms the goods, the efficiency of 3D printing has been improved, through the controllable regulation to the efflux diameter, reach the purpose that the goods precision was regulated and controlled; its simple structure, easily operation can realize that one side shaping and the controllable quick 3D of face shaping of precision print simultaneously, need not carry out extra translation action, has solved the problem that the shower nozzle aperture easily blockked up when 3D prints among the prior art.
Description
The technical field is as follows:
the utility model belongs to the technical field of the printing apparatus, concretely relates to quick 3D printing device of face shaping based on electrostatic spinning method can realize the quick shaping of meticulous goods and part.
Background art:
the 3D printing technology is a rapid prototyping technology, which takes metal or plastic and other adhesives as printing materials and carries out layer-by-layer printing on the basis of a digital model. The technology has applications in jewelry, footwear, industrial design, construction, engineering and construction, automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields. Most of existing fused Deposition manufacturing 3D printing equipment adopting an FDM (fused Deposition modeling) process adopts wires, and the principle is that a polymer material is prefabricated into wires, the wires are fed into a spray head by a feeding mechanism to be fused, then the wires are extruded and solidified according to a path, and a three-dimensional product is formed after the wires are printed layer by layer.
Electrostatic spinning is a process for preparing polymer melt or solution into superfine fibers by utilizing high-voltage static electricity, has the advantages of simple equipment, easy operation, various spinnable substances and the like, and becomes one of the most main modes for preparing polymer continuous nanofiber materials at present. With the development of nanotechnology, electrostatic spinning, as a simple, convenient and effective novel processing technology capable of producing nanofibers, will play a great role in the fields of biomedical materials, filtration and protection, catalysis, energy, photoelectricity, food engineering, cosmetics and the like. The electrostatic spinning method can be used for preparing fibers from dozens of nanometers to dozens of micrometers, and can be combined with a 3D printing technology to realize the design and manufacture of micro-nano structure materials and devices such as tissue engineering scaffolds and the like. The traditional FDM process has poor precision and low efficiency, and the electrostatic spinning method can generate superfine fibers, but the traditional nozzle with small holes also has the problems of easy blockage and the like. Therefore, a rapid 3D printing device for surface forming based on an electrostatic spinning method needs to be developed to meet the application requirements of refinement and rapidness in the field of 3D printing. Chinese patent 201710281096.7 discloses a face shaping 3D printing apparatus based on FDM, comprises printing nozzle, total printing shower nozzle, conveying pipe, horizontal translation system including horizontal lead screw, horizontal guide arm, step motor, liftable print platform and nozzle control system. The printing system comprises a horizontal translation system, a stepping motor, a horizontal lead screw, a horizontal guide rod, a printing wire material, a feeding pipe, a horizontal translation system and a horizontal printing spray head, wherein the horizontal translation system is provided with the horizontal lead screw, the horizontal guide rod is arranged on the horizontal translation system, the stepping motor is arranged on the horizontal translation system, the horizontal lead screw is driven to rotate, the horizontal guide rod is driven to conduct guiding action, and the total printing spray head is further driven to conduct reciprocating motion. The liftable printing platform is located below the main printing spray head and bears the molten wire, the main printing spray head is driven by the horizontal translation system to move from left to right, meanwhile, each printing nozzle extrudes the molten wire to print a first layer, the nozzle control system respectively controls each printing spray head to extrude the molten wire outwards or stop extruding according to the shape of each surface layer of the three-dimensional model of the computer, after the first layer is printed, the liftable printing platform descends by a layer thickness distance, the stepping motor rotates reversely, the main printing spray head is driven to move from right to left, meanwhile, each printing nozzle extrudes the molten wire to print a second layer, and the process is circulated until the printing is finished; the wire material is adopted for 3D printing, each nozzle needs to be provided with an additional wire feeding and heating device, the cost is high, the surface forming is realized by utilizing the translation of a row of printing nozzles, and the efficiency and the precision are still lower.
The invention content is as follows:
the utility model aims to overcome the defect that prior art exists, research and develop a quick 3D printing device of face shaping based on electrostatic spinning method, realize the synchronous quick accurate positioning deposit solidification of stranded efflux on the plane, face-to-face shaping formation goods.
In order to achieve the purpose, the main body structure of the surface forming rapid 3D printing device based on the electrostatic spinning method comprises an outer shell, a lifting receiving plate, a high-voltage electrostatic generator, a driving roller, a driven roller, a left charging basket, a right charging basket, an ejector pin lifting plate, a flexible film and an ejector pin; the outer shell is formed by enclosing an upper wall plate, a lower wall plate, a left wall plate, a right wall plate and a rear wall plate, wherein a lifting receiving plate is arranged on the upper surface of the lower wall plate and is electrically connected with a high-voltage electrostatic generator, a driving roller, a driven roller, a left charging basket, a right charging basket and an ejector pin lifting plate are arranged on the rear wall plate, a flexible film surrounds the peripheries of the driving roller and the driven roller and penetrates through the left charging basket and the right charging basket which are in mirror symmetry, and a plurality of ejector pins which are arranged in an array mode are arranged on the lower surface of the ejector pin lifting plate; the driving idler wheel, the driven idler wheel, the left charging bucket and the right charging bucket are distributed in a quadrilateral mode, the ejector pin lifting plate is grounded and connected with the ejector pins in a plug-in mode, and the ejector pin lifting plate and the ejector pins are located in the quadrilateral surrounded by the flexible films.
The left charging bucket and the right charging bucket of the utility model have the same main structure and respectively comprise a shell, a charging and discharging hole, a heating ring, a film pressing wheel, a guide wheel, a left extrusion roller and a right extrusion roller; the top of the shell is provided with a material inlet and outlet hole, the side part and the bottom of the shell are surrounded with heating rings, a film pressing wheel, a guide wheel and a left extrusion roller and a right extrusion roller which are arranged in pairs are arranged in the shell, the film pressing wheel is arranged at the bottom of the shell, the guide wheel is arranged at the left side of the flexible film penetrating out of the shell, and the left extrusion roller and the right extrusion roller are arranged below the flexible film penetrating into the shell; the thimble lifting plate is a multipoint independently controlled lifting plate, a plurality of guide rails arranged in an array are arranged on the lower surface of the thimble lifting plate, the tail end of the thimble is inserted into the guide rails, and the thimble can move up and down in the guide rails independently.
Compared with the prior art, the utility model, adopt raw and other materials direct melting to utilize the electrostatic spinning mode to carry out 3D to print, through controlling the on-off control of the multi-point efflux on the realization plane of reciprocating of a plurality of thimbles simultaneously, make the synchronous quick accurate positioning deposit solidification of multistrand efflux on the plane and bond, the face-to-face shaping forms the goods, has improved the efficiency that 3D printed, through the controllable regulation to the efflux diameter, reaches the purpose that the goods precision was regulated and control; its simple structure, easily operation can realize one side simultaneous molding and the controllable quick 3D of face shaping of precision and print, need not carry out extra translation action, has solved the problem that the shower nozzle aperture was easily blockked up when 3D printed among the prior art, and when raising the efficiency, furthest's assurance the precision of goods, energy-concerving and environment-protective has expanded the range of application that 3D printed.
Description of the drawings:
fig. 1 is a schematic diagram of the main structure principle of the present invention.
Fig. 2 is a schematic view of the principle of the main structure of the left charging bucket according to the present invention.
Fig. 3 is a schematic view of the main structure principle of the right charging bucket according to the present invention.
Fig. 4 is a schematic view of the connection relationship between the thimble, the flexible film and the guide rail according to the present invention.
Fig. 5 is a schematic view of the working state of the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail below by way of examples with reference to the accompanying drawings.
Example 1:
the main structure of the surface forming rapid 3D printing device based on the electrostatic spinning method according to the embodiment comprises an outer shell 1, a lifting receiving plate 2, a high-voltage electrostatic generator 3, a driving roller 4, a driven roller 5, a left charging basket 6, a right charging basket 7, an ejector pin lifting plate 8, a flexible film 9 and an ejector pin 10; the outer shell body 1 is enclosed to close by last wallboard, lower wallboard, left wallboard, right wallboard and back wallboard and constitutes, be provided with lift dash receiver 2 on the upper surface of lower wallboard, lift dash receiver 2 is connected with high-voltage electrostatic generator 3 electricity, be provided with drive roller 4 on the back wallboard, driven roller 5, left storage bucket 6, right storage bucket 7 and thimble lifter plate 8, drive roller 4, driven roller 5, left storage bucket 6 and right storage bucket 7 are the quadrangle and distribute, the flexible membrane 9 encircles in the periphery of drive roller 4 and driven roller 5 and passes mirror symmetry's left storage bucket 6 and right storage bucket 7, thimble lifter plate 8 ground connection, be provided with the thimble 10 that a plurality of array was arranged on the lower surface of thimble lifter plate 8, thimble lifter plate 8 is connected with thimble 10 plug-in, thimble lifter plate 8 and thimble 10 are located the quadrangle that flexible membrane 9 encloses.
The main structures of the left charging bucket 6 and the right charging bucket 7 related to the embodiment are the same, and both comprise a shell 601, a charging and discharging hole 602, a heating ring 603, a film pressing wheel 604, a guide wheel 605, a left extrusion roller 606 and a right extrusion roller 607; the top of casing 601 has been seted up into discharge opening 602, the lateral part and the bottom of casing 601 enclose and are equipped with heating circle 603, the inside of casing 601 is provided with press mold wheel 604, leading wheel 605 and the left squeeze roller 606 and the right squeeze roller 607 that set up in pairs, press mold wheel 604 sets up the bottom at casing 601, leading wheel 605 sets up the left side that the flexible membrane 9 wore out casing 601 department, left squeeze roller 606 and right squeeze roller 607 set up the below that the flexible membrane 9 penetrated casing 601 department.
The thimble lifting plate 8 that this embodiment relates to is multipoint independent control's lifting plate, is provided with the guide rail 11 that a plurality of array was arranged on the lower surface of thimble lifting plate 8, and the tail end of thimble 10 is pegged graft in guide rail 11, and thimble 10 can reciprocate that does not influence each other in guide rail 11.
The outer shell 1 related to the embodiment has insulating and heat-preserving functions; the left charging bucket 6 and the right charging bucket 7 are integrated with heating, coating and recycling; the flexible film 9 has elasticity; the heating ring 603 is a stainless steel mica electric heating ring.
When the rapid 3D printing device for surface forming based on the electrostatic spinning method is used, firstly, the device is connected with a computer, a driving roller 4 is connected with an external motor capable of regulating speed and rotating positively and negatively, the computer converts a three-dimensional model of a product into a multilayer two-dimensional section, then a two-dimensional plane is converted into points and transmitted to an ejector pin lifting plate 8, a plurality of corresponding ejector pins 10 are controlled to act independently, the ejector pins 10 extend downwards, a flexible film 9 is ejected out of a plurality of bulges by the ejector pins 10, a melt or a solution on the bulges forms jet flow under the action of a high-voltage electrostatic field, and the jet flow is cooled and solidified or the solvent is volatilized and solidified and is bonded together; the thimble 10 is lifted upwards, the flexible film 9 restores to a plane state due to elasticity, the bulge disappears, and the jet flow disappears; thereby controlling the position of jet flow deposition, realizing surface molding, after finishing one surface, lifting the receiving plate 2 to move downwards, printing layer by layer, and finally molding the whole product.
When the rapid surface molding 3D printing device based on the electrostatic spinning method according to this embodiment prints, polymer pellets or a solution is put into the left material barrel 6, the heating ring 603 can heat the polymer pellets into a melt and heat and insulate the melt or the solution, the lifting receiving plate 2 is adjusted to a set position, the high-voltage electrostatic generator 3 is turned on, and a high-voltage electrostatic field is formed between the lifting receiving plate 2 and the ejector pin lifting plate 8; the external motor is started, the external motor drives the driving roller 4 to rotate, the driving roller 4 drives the driven roller 5 to rotate through the connection of the flexible film 9, when the bottom surface of the flexible film 9 moves from left to right, the flexible film 9 penetrates through the left bucket 6 to dip melt or solution, the preset thimbles 10 move downwards, the flexible film 9 is ejected out of a plurality of bulges, the melt or solution on each bulge forms single-strand jet flow under the action of a high-voltage electrostatic field, the jet flow falls on the lifting receiving plate 2 while being cooled and solidified or the solvent is volatilized and solidified and is bonded with a product solidified before, and the residual melt or solution on the flexible film 9 is extruded and concentrated in the right bucket 7 under the rotating action of the left extrusion roller 606 and the right extrusion roller 607 after entering the right bucket 7; when the volume of fuse-element or solution in the bucket 7 of the right side exceeded the setting value, made external motor reversal, the 9 bottom surfaces of flexible membrane were moved from the right side left, dipped in the fuse-element or solution from the bucket 7 of the right side and carried out the spinning shaping, and remaining fuse-element or solution are held back in the bucket 6 of the left side on the flexible membrane 9, and so relapse, the printing accords with the goods that set for the required precision, and left bucket 6 and right bucket 7 can be reinforced alone.
The rapid 3D printing device for surface forming based on the electrostatic spinning method controls the position of a protrusion on a flexible film 9 by controlling the protrusion and the lifting of ejector pins 10 at different positions, and further controls the position of deposition of multiple jet streams, so that rapid printing of surface forming is realized.
The quick 3D printing device of face shaping based on electrostatic spinning method that this embodiment relates to adjusts the thickness of protruding upper fusant or solution through the distance of stretching out of control thimble 10, and the distance of stretching out of thimble 10 is long, and the solution that the bulge of flexible membrane 9 dipped in is many/the fusant, and the distance of stretching out of thimble 10 is short, and the solution that the bulge of flexible membrane 9 dipped in was few/the fusant to this control fluidic diameter reaches the control purpose that becomes more meticulous of local precision of goods.
The embodiment relates to a quick 3D printing device of face shaping based on electrostatic spinning method through the moving speed and the moving direction of the rotational speed control flexible membrane 9 of adjusting external motor, and moving speed decides the thickness that flexible membrane 9 dipped in solution/fuse-element, and the holistic printing precision of control goods carries out reuse, avoids extravagant to solution/fuse-element.
Claims (3)
1. A surface forming rapid 3D printing device based on an electrostatic spinning method is characterized in that a main structure comprises an outer shell, a lifting receiving plate, a high-voltage electrostatic generator, a driving roller, a driven roller, a left charging basket, a right charging basket, an ejector pin lifting plate, a flexible film and an ejector pin; the outer shell is formed by enclosing an upper wall plate, a lower wall plate, a left wall plate, a right wall plate and a rear wall plate, wherein a lifting receiving plate is arranged on the upper surface of the lower wall plate and is electrically connected with a high-voltage electrostatic generator, a driving roller, a driven roller, a left charging basket, a right charging basket and an ejector pin lifting plate are arranged on the rear wall plate, a flexible film surrounds the peripheries of the driving roller and the driven roller and penetrates through the left charging basket and the right charging basket which are in mirror symmetry, and a plurality of ejector pins which are arranged in an array mode are arranged on the lower surface of the ejector pin lifting plate; the driving idler wheel, the driven idler wheel, the left charging bucket and the right charging bucket are distributed in a quadrilateral mode, the ejector pin lifting plate is grounded and connected with the ejector pins in a plug-in mode, and the ejector pin lifting plate and the ejector pins are located in the quadrilateral surrounded by the flexible films.
2. The rapid face forming 3D printing device based on the electrospinning method according to claim 1, wherein the left and right buckets have the same main structure and each include a housing, a feed/discharge hole, a heating ring, a film pressing wheel, a guide wheel, a left squeezing roller and a right squeezing roller; the feed and discharge opening has been seted up at the top of casing, and the lateral part and the bottom of casing enclose and are equipped with the heating circle, and the inside of casing is provided with press mold wheel, leading wheel and the left squeeze roll and the right squeeze roll that set up in pairs, and the press mold wheel sets up in the bottom of casing, and the leading wheel setting wears the left side of casing department at the flexible membrane, and left squeeze roll and the setting of right squeeze roll penetrate the below of casing department at the flexible membrane.
3. The rapid 3D printing device for surface forming based on the electrospinning method according to claim 1, wherein the ejector pin lifting plate is a multi-point independently controlled lifting plate, a plurality of guide rails arranged in an array are arranged on the lower surface of the ejector pin lifting plate, the tail ends of the ejector pins are inserted into the guide rails, and the ejector pins can move up and down in the guide rails independently.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920994845.5U CN210126284U (en) | 2019-06-28 | 2019-06-28 | Quick 3D printing device of face shaping based on electrostatic spinning method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920994845.5U CN210126284U (en) | 2019-06-28 | 2019-06-28 | Quick 3D printing device of face shaping based on electrostatic spinning method |
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| CN210126284U true CN210126284U (en) | 2020-03-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181809A (en) * | 2019-06-28 | 2019-08-30 | 青岛科技大学 | A kind of quick 3D printing device of face molding based on method of electrostatic spinning |
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2019
- 2019-06-28 CN CN201920994845.5U patent/CN210126284U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181809A (en) * | 2019-06-28 | 2019-08-30 | 青岛科技大学 | A kind of quick 3D printing device of face molding based on method of electrostatic spinning |
| CN110181809B (en) * | 2019-06-28 | 2023-12-22 | 青岛科技大学 | Rapid 3D printing device for surface forming based on electrostatic spinning method |
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