CN110181816B - 3D printing device based on grid intersection point triggering type electrostatic spinning method - Google Patents
3D printing device based on grid intersection point triggering type electrostatic spinning method Download PDFInfo
- Publication number
- CN110181816B CN110181816B CN201910570738.4A CN201910570738A CN110181816B CN 110181816 B CN110181816 B CN 110181816B CN 201910570738 A CN201910570738 A CN 201910570738A CN 110181816 B CN110181816 B CN 110181816B
- Authority
- CN
- China
- Prior art keywords
- product
- roller
- coating
- guide wheel
- plate
- Prior art date
- 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.)
- Active
Links
- 238000010146 3D printing Methods 0.000 title claims abstract description 33
- 238000010041 electrostatic spinning Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000011248 coating agent Substances 0.000 claims abstract description 53
- 238000000576 coating method Methods 0.000 claims abstract description 53
- 238000007639 printing Methods 0.000 claims abstract description 36
- 230000005684 electric field Effects 0.000 claims abstract description 25
- 230000006698 induction Effects 0.000 claims abstract description 20
- 238000004064 recycling Methods 0.000 claims abstract description 8
- 239000002904 solvent Substances 0.000 claims abstract description 7
- 238000011084 recovery Methods 0.000 claims description 29
- 239000000155 melt Substances 0.000 claims description 26
- 238000001125 extrusion Methods 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 21
- 230000001276 controlling effect Effects 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- 238000004321 preservation Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 230000003068 static effect Effects 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims description 2
- 230000008034 disappearance Effects 0.000 claims 1
- 230000001939 inductive effect Effects 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 claims 1
- 239000000835 fiber Substances 0.000 abstract description 10
- 239000000243 solution Substances 0.000 description 23
- 238000005516 engineering process Methods 0.000 description 13
- 238000000465 moulding Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001523 electrospinning Methods 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910003471 inorganic composite material Inorganic materials 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/357—Recycling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0092—Electro-spinning characterised by the electro-spinning apparatus characterised by the electrical field, e.g. combined with a magnetic fields, using biased or alternating fields
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
Abstract
The invention belongs to the technical field of printing equipment, and relates to a 3D printing device based on a grid intersection point triggering type electrostatic spinning method, which comprises a shell, a coating charging barrel, a lifting base, a receiving plate, a driving roller, a driven roller, a right guide wheel, a recycling charging barrel, a left guide wheel, an ejector plate, a conductive net, ejector pins and a high-voltage electrostatic generator, wherein the ejector pins are electrified and move downwards and gradually approach the conductive net, when reaching a set distance, the conductive net is locally electrified in an induction way, induction charges are accumulated at grid nodes, melt/solution at the grid nodes forms jet flow under the action of an induction electric field, the jet flow falls down to the receiving plate to form a product after being cooled or solvent is volatilized and solidified, a plurality of ejector pins simultaneously move downwards, the grid nodes simultaneously form jet flow, so that the surface-by-surface forming is realized, the ejector pins are powered off and lifted upwards, the induction electric field disappears, and the jet flow at the grid nodes disappears; the method accelerates the response speed of the fiber generation and improves the printing efficiency and precision of the product.
Description
Technical field:
the invention belongs to the technical field of printing equipment, and particularly relates to a 3D printing device based on a grid intersection point triggering type electrostatic spinning method, which is used for realizing rapid, stable and accurate molding of fine products and parts based on an electrostatic spinning technology and a 3D printing technology.
The background technology is as follows:
the electrostatic spinning technology is a method for forming fibers by stretching a polymer solution or melt under the action of a high-voltage electric field to form a Taylor cone and then performing jet spinning. As a special process for preparing fibers, the electrospinning method can achieve continuous preparation of nano-sized fibers by using a relatively simple apparatus, and has received extensive academic and commercial attention in recent years. The electrostatic spinning technology has wide application range from organic material to inorganic material, from natural to synthetic polymer material, organic-inorganic composite material, etc. The prepared fiber has excellent characteristics of high specific surface area, high porosity and the like, and has great application potential in the fields of biomedicine, high-efficiency filtration, high-efficiency catalysis, functional special materials and the like.
The 3D printing technology is a rapid prototyping technology, which uses adhesives such as metal powder, plastic, resin and the like as printing materials, and performs layer-by-layer printing based on a digital model. The technology has wide application in jewelry, footwear, industrial design, construction, engineering and construction, automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, military, and other fields. The existing 3D printing technology has the defects of single material type, low printing precision, low printing efficiency and the like. The electrostatic spinning method can realize the preparation of nano-to-micron-level fibers.
The electrostatic spinning method can realize nano-to-micron-level fiber preparation, and combines electrostatic spinning and 3D printing technology, so that the development of the 3D printing technology can be promoted. For example: the printer for electrostatic spinning disclosed in China patent 201610398383.1 comprises a charging barrel, wherein an upper cover of the charging barrel is used for sealing the charging barrel, a compression rod is connected above the upper cover and driven by a compression motor to move up and down, so that the upper cover is driven to move up and down, a bottom cover of the charging barrel is a spinneret plate uniformly provided with a plurality of through holes, the spinneret plate is made of a conductor material and is connected with an electrostatic generation device, a protective cover is connected below the spinneret plate, a 3D printing platform is arranged below the protective cover, an electrode is arranged below the 3D printing platform, the compression rod adopts a non-metal lead screw, the compression motor is used for controlling the pressure in the charging barrel, the spinneret plate is matched with the electrostatic generation device to smoothly spray wires, the speed and the effect of controlling the wire spraying are achieved by controlling the pressure in the charging barrel, and a raw material injection hole capable of being opened and closed is arranged on the upper cover of the charging barrel; the 3D printing platform is further provided with a first moving platform and a second moving platform below, the 3D printing platform is driven by a Y-axis motor arranged on the second moving platform to move in the Y-axis direction of a horizontal plane, the second moving platform is driven by an X-axis motor arranged on the first moving platform to move in the X-axis direction of the horizontal plane, meanwhile, the printing platform arranged above the second moving platform is driven by four Z-axis motors arranged at four corners below the first moving platform to move in the Z-axis direction of a vertical plane, and meanwhile, the second moving platform arranged above the first moving platform and the 3D printing platform are driven to move in the same direction and in the same distance; the protective cover is semi-ellipsoidal, the diameter of the protective cover is gradually reduced, and the spinning solution is prevented from being solidified too fast after being sprayed out; an electrostatic spinning type 3D printer disclosed in chinese patent 201711083613.6 comprises: 1) The mechanical arm is connected with at least one section of the turntable surface and is perpendicular to the turntable surface in the connection direction, and the tail end of the mechanical arm is connected with a spray head system or a rotatable device; 2) The spray head system comprises a charging barrel, a nozzle, an annular UV exposure device and a power supply E, wherein the spray head system is connected to the tail end of a mechanical arm or connected to a rotatable device, the annular UV exposure device comprises a bracket, a light source and a light path cover, the light source is an LED lamp bead, an UV optical fiber or a miniature LED array, the charging barrel is a straight-through charging barrel or a static mixer, the outer side of the charging barrel is provided with a heating temperature control device, the nozzle is a single nozzle or a coaxial double nozzle, and two poles of the power supply E are respectively connected with the nozzle and a forming table; 3) The feed liquid supply system comprises a pressure device, a feed liquid conveying pipeline, a feed liquid storage tank and a feed liquid metering control device; 4) A forming table; 5) The control system comprises a mechanical arm displacement control device, an angle control device, an annular UV exposure device control, a forming platform control device and a power supply E control; the diameter, the internal form and the stacking form of the spinning are regulated by controlling the power supply voltage, the distance between the nozzle and the forming table, the material liquid component and the like, so that the large-scale production of the three-dimensional textile is realized. On the basis, in order to give consideration to the efficiency and the precision of 3D printing and solve the problem of easy blockage of small hole discharging, a 3D printing device based on a grid intersection point triggering type electrostatic spinning method is researched, developed and designed, and has social and economic values.
The invention comprises the following steps:
the invention aims to overcome the defects of the prior art, and develops a 3D printing device based on a grid intersection point trigger type electrostatic spinning method, wherein multiple fibers are generated simultaneously and deposited in a precise positioning manner by multi-point trigger, so that a product is prepared rapidly by fine adjustment and control layer by layer.
In order to achieve the above purpose, the main structure of the 3D printing device based on the grid intersection point triggering type electrostatic spinning method comprises an outer shell, a coating charging barrel, a lifting base, a receiving plate, a driving roller, a driven roller, a right guide wheel, a recycling charging barrel, a left guide wheel, an ejector plate, a conductive grid, an ejector pin and a high-voltage electrostatic generator; 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, a coating charging barrel is arranged on the lower surface of the upper wall plate, a lifting base is arranged on the upper surface of the lower wall plate and connected with a receiving plate, a driving roller, a driven roller, a right guide wheel, a recovery charging barrel, a left guide wheel and an ejector plate are arranged on the rear wall plate, a conductive net surrounds the periphery of the driving roller, the driven roller, the right guide wheel and the left guide wheel and penetrates through the recovery charging barrel, a plurality of ejector pins which are arrayed are arranged on the lower surface of the ejector plate, and the ejector plate is electrically connected with a high-voltage electrostatic generator through internal wires; the receiving plate is grounded, the driving roller, the driven roller, the right guide wheel and the left guide wheel are distributed in a quadrilateral form, the recycling charging barrel is positioned on the left side of the right guide wheel, and the ejector pin plate and the ejector pin are positioned in the middle of the quadrilateral formed by the driving roller, the driven roller, the right guide wheel and the left guide wheel.
The main structure of the coating charging barrel comprises a coating barrel body, a heating sleeve, a heat preservation shell, an upper cover body and a coating roller; the periphery of the coating barrel body with the hollow cuboid structure is provided with a heating sleeve, the periphery of the heating sleeve is provided with a heat preservation shell, the top parts of the coating barrel body, the heating sleeve and the heat preservation shell are provided with an upper cover body, and the bottom part of the coating barrel body is provided with a coating roller; the main structure of the recovery charging barrel comprises a recovery barrel body, an upper squeeze roller, a lower squeeze roller and a liquid level sensor; the inside of the recovery cylinder body is provided with an upper extrusion roller and a lower extrusion roller with cylindrical structures, the structures of the upper extrusion roller and the lower extrusion roller are the same, the conductive net penetrates in from the left side of the recovery cylinder body and then penetrates through a gap between the upper extrusion roller and the lower extrusion roller, and penetrates out from the right side of the recovery cylinder body, and the inner wall of the recovery cylinder body is provided with a liquid level sensor; the main structure of the conductive net comprises longitudinal cords, transverse connecting lines and grid nodes; the longitudinal cords and the transverse connecting lines with toughness are crisscrossed with uniform density to form a cord basal plane, and grid nodes with spherical structures are embedded at the nodes of the longitudinal cords and the transverse connecting lines.
The shell body has insulation and heat preservation functions; the ejector pins are of a hollow structure with an upper section and a lower section in a plug-in manner, the upper section of the pin body is made of an insulating material, the lower section of the pin body is made of a conductive material, a wire is penetrated in the pin body, the lower section of the pin body is electrically connected with the ejector pin plate through the wire, and further electrically connected with the high-voltage electrostatic generator through the ejector pin plate, the ejector pins can be respectively and independently controlled by the ejector pin plate to move up and down, and the lower section of the pin point of each row of ejector pins is correspondingly arranged with grid nodes of the conductive net; the high-voltage electrostatic generator can independently control and adjust the on-off state and the charged voltage of each thimble; the length of the coating cylinder is the same as the width of the conductive net; the heating sleeve is a stainless steel mica electric heating plate and has a heating effect, so that the melt/solution in the coating cylinder is maintained at a set temperature; the coating roller rotates under the drive of the conductive net to take out the melt/solution in the coating cylinder and coat the melt/solution on the conductive net; the grid nodes are made of good conductor materials, including metal, and can quickly form induced charges and increase the strength of an induced electric field at the nodes of the longitudinal cords and the transverse wires.
When the 3D printing device based on the grid intersection point triggering type electrostatic spinning method is used, firstly, the device is connected with a computer, a driving roller is connected with an external motor capable of regulating speed and rotating, the computer converts a three-dimensional model of a product into a multi-layer two-dimensional plane, then the two-dimensional plane is converted into point set information corresponding to grid nodes, and the two-dimensional plane is converted into voltage information or position information of a thimble corresponding to the grid nodes according to the printing precision of each area, the computer transmits generated data instructions to a thimble plate, and controls the corresponding thimble to descend and lift through the thimble plate, so that jet flow at the node of a longitudinal cord and a transverse connecting line is generated and disappears, the jet flow cooling or solvent volatilization solidification is controlled, surface forming is realized, after one surface is finished, a receiving plate moves downwards, printing is carried out layer by layer, and finally the whole product is formed; when the coating material cylinder passes through the lower part of the coating material cylinder, the coating roller uniformly coats the melt/solution on the outer surface of the conductive mesh, and is mainly coated on the outer surface of a grid node, the height of a receiving plate is regulated by a lifting base, the ejector plate drives a plurality of ejector pins corresponding to the molding surface of the product to move downwards, the size of the electrified voltage of each ejector pin is regulated by a high-voltage electrostatic generator according to the area precision, or the size of the induced voltage is regulated by regulating the distance between each ejector pin and the conductive mesh, when the ejector pins move to a set distance from the conductive mesh, the conductive mesh is locally electrified in an induction way, the induced charges are accumulated at the nodes of a longitudinal curtain wire and a transverse connecting wire, the melt/solution at the nodes of the longitudinal curtain wire and the transverse connecting wire is formed under the action of an induction electric field, the jet drops to the receiving plate to cool or volatilize a solvent, the ejector plate is driven by a lifting base to form a plurality of ejector pins corresponding to the molding surface, and simultaneously the vertical connecting wire is further lowered to form a plurality of the molding surface of the product, and the vertical connecting wire is simultaneously set to form a plurality of vertical connecting wires, and the molding surface of the product is further formed; when the product is printed, after the unused melt/solution remained on the outer surface of the conductive net enters the recovery cylinder, the melt/solution falls down and is recovered into the recovery cylinder under the rotary extrusion action of the upper extrusion roller and the lower extrusion roller, and when the melt/solution in the recovery cylinder exceeds a set value, a liquid level sensor alarms to prompt timely cleaning; the thimble is powered off and lifted upwards, the induced electric field disappears, and the jet flow at the node of the longitudinal cord and the transverse connecting line disappears, so that printing is stopped.
The 3D printing device based on the grid intersection point triggering type electrostatic spinning method controls jet diameter by controlling the high-voltage static size of each thimble so as to achieve the aim of controlling the printing precision of products in different areas, has high-voltage static voltage, large induction electric field, thin jet and high printing precision, and conversely, has thick jet and lower printing precision, in the area with low precision requirement, the lower voltage is used to realize the rapid molding of the product, in the area with high precision requirement, the higher voltage is used to generate finer jet flow so as to improve the precision, and the precision adjustment is carried out according to the actual conditions of each area of the product, so that the production efficiency of the product can be improved on the premise of ensuring the precision requirement of the product; the distance between the thimble and the grid node is controlled to control the magnitude of the induction electric field so as to achieve the aim of adjusting the printing precision, the distance between the thimble and the grid node is short, the induction electric field strength is high, the jet flow is thin, the precision is high, the distance between the thimble and the grid node is long, the induction electric field is weak, the jet flow is thick, the printing precision is low, and therefore the fine adjustment and control of the local precision of the product are carried out; the dipping thickness of the melt/solution is controlled by adjusting the moving speed of the conductive net so as to realize the purpose of regulating and controlling the integral printing precision of the product.
Compared with the prior art, the ejector pins are electrified and move downwards and gradually approach the conductive network, after the set distance is reached, the conductive network is locally electrified in an induction way, the induction charges are accumulated at grid nodes, the melt/solution at the grid nodes forms jet flow under the action of an induction electric field, the jet flow falls down to a receiving plate to be cooled or the solvent is volatilized and solidified to form a product, a plurality of ejector pins move downwards at the same time, jet flow is formed at the grid nodes at the same time, the forming of each surface is realized, the ejector pins are powered off and lifted upwards, the induction electric field disappears, and the jet flow at the grid nodes disappears; the device is simple in structure and principle, safe to operate, realizes simultaneous production and accurate positioning deposition of a plurality of fibers through multi-point triggering, quickens the response speed of fiber production, improves the printing efficiency of products, combines an electrostatic spinning technology with a 3D printing technology, improves the printing precision, controls the diameter of the fibers by controlling the size of high-voltage static electricity, further realizes fine grade adjustment of 3D printed products, and finally realizes layer-by-layer fine regulation and rapid preparation of the products.
Description of the drawings:
fig. 1 is a schematic diagram of the principle of the main structure of the present invention.
Fig. 2 is a schematic main body structure of the coating cartridge according to the present invention.
Fig. 3 is a schematic diagram of the principle of the main structure of the recovery cartridge according to the present invention.
Fig. 4 is a schematic diagram of the principle of the main structure of the conductive mesh according to the present invention.
Fig. 5 is a schematic view of the working state of the present invention.
The specific embodiment is as follows:
the following is by way of example with reference to the accompanying drawings the invention is made further detailed description.
Example 1:
the main body structure of the 3D printing device based on the grid intersection point triggering type electrostatic spinning method comprises an outer shell 1, a coating charging barrel 2, a lifting base 3, a receiving plate 4, a driving roller 5, a driven roller 6, a right guide wheel 7, a recovery charging barrel 8, a left guide wheel 9, a thimble plate 10, a conductive net 11, a thimble 12 and a high-voltage electrostatic generator 13; the shell body 1 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, a coating charging barrel 2 is arranged on the lower surface of the upper wall plate, a lifting base 3 is arranged on the upper surface of the lower wall plate, the lifting base 3 is connected with a receiving plate 4, the receiving plate 4 is grounded, a driving roller 5, a driven roller 6, a right guide wheel 7, a recovery charging barrel 8, a left guide wheel 9 and a thimble plate 10 are arranged on the rear wall plate, the driving roller 5, the driven roller 6, the right guide wheel 7 and the left guide wheel 9 are in quadrilateral distribution, the recovery charging barrel 8 is positioned on the left side of the right guide wheel 7, a conductive net 11 surrounds the periphery of the driving roller 5, the driven roller 6, the right guide wheel 7 and the left guide wheel 9 and penetrates through the recovery charging barrel 8, a plurality of thimble 12 arranged in an array are arranged on the lower surface of the thimble plate 10, and the thimble plate 10 and the thimble 12 are positioned in the middle of the quadrilateral formed by the driving roller 5, the driven roller 6, the right guide wheel 7 and the left guide wheel 9, and the thimble plate 10 is electrically connected with a high-voltage electrostatic generator 13 through internal wires.
The main structure of the coating barrel 2 according to the present embodiment includes a coating barrel 20, a heating jacket 21, a heat-insulating shell 22, an upper cover 23, and a coating roller 24; the periphery of the coating barrel 20 of the hollow cuboid structure is provided with a heating sleeve 21, the periphery of the heating sleeve 21 is provided with a heat preservation shell 22, the top of the coating barrel 20, the heating sleeve 21 and the heat preservation shell 22 is provided with an upper cover 23, and the bottom of the coating barrel 20 is provided with a coating roller 24.
The main structure of the recovery cylinder 8 according to the present embodiment includes a recovery cylinder 80, an upper squeeze roller 81, a lower squeeze roller 82, and a liquid level sensor 83; the inside of retrieving barrel 80 is provided with cylinder structure's upper squeeze roller 81 and lower squeeze roller 82, and upper squeeze roller 81 is the same with lower squeeze roller 82's structure, and conductive net 11 is worn into the clearance between upper squeeze roller 81 and lower squeeze roller 82 after wearing into by retrieving barrel 80's left side, wears out by retrieving barrel 80's right side, and the inner wall of retrieving feed cylinder 8 is provided with level sensor 83.
The main structure of the conductive mesh 11 according to the present embodiment includes longitudinal cords 111, transverse wires 112, and mesh nodes 113; the longitudinal cords 111 and the transverse wires 112 with toughness are crisscrossed with uniform density to form a cord base surface, and grid nodes 113 with spherical structures are embedded at the nodes of the longitudinal cords 111 and the transverse wires 112.
The outer case 1 according to the present embodiment has insulation and heat preservation functions; the ejector pins 12 are of a hollow structure with an upper section and a lower section in a plug-in manner, the upper section of the pin body is made of an insulating material, the lower section of the pin body is made of a conductive material, a wire penetrates through the lower section of the pin body, the lower section of the pin body is electrically connected with the ejector pin plate 10 through the wire, and further the ejector pin 12 is electrically connected with the high-voltage electrostatic generator 13 through the ejector pin plate 10, the ejector pins 12 can be respectively and independently controlled by the ejector pin plate 10 to move up and down, and the lower section of the pin points of each row of ejector pins 12 are correspondingly arranged with grid nodes 113 of the conductive net 11; the high-voltage electrostatic generator 13 can independently control and adjust the on-off state and the charging voltage of each thimble 12; the length of the coating cylinder 20 is the same as the width of the conductive mesh 11; the heating sleeve 21 is a stainless steel mica electric heating plate and has a heating effect, so that the melt/solution in the coating cylinder 20 is maintained at a set temperature; the coating roller 24 is driven by the conductive net 11 to rotate so as to take out the melt/solution in the coating cylinder 20 and coat the melt/solution on the conductive net 11; the grid node 113 is a good conductor material, including metal, capable of rapidly forming induced charges and increasing the strength of the induced electric field at the node of the longitudinal cords 111 and the transverse wires 112.
When the 3D printing device based on the grid intersection point triggering type electrostatic spinning method according to the embodiment is used, firstly, the device is connected with a computer, the driving roller 5 is connected with an external motor capable of rotating in a speed-regulating manner, the computer converts a three-dimensional model of a product into a multi-layer two-dimensional plane, then the two-dimensional plane is converted into point set information corresponding to grid nodes 113, the printing precision of each area is converted into voltage information or position information of a thimble 12 corresponding to the grid nodes 113, the computer transmits generated data instructions to the thimble board 10, the thimble board 10 controls the corresponding thimble 12 to descend and lift, so that the jet flow at the nodes of the longitudinal cords 111 and the transverse connecting lines 112 is generated and disappears, the jet flow deposition position is controlled, the jet flow is cooled or a solvent is volatilized and solidified, the surface forming is realized, after one surface is finished, the receiving board 4 moves downwards and prints layer by layer, and finally the whole product is formed.
When the 3D printing device based on the grid intersection point triggering type electrostatic spinning method related in this embodiment prints, polymer granules or powder is thrown into the coating charging barrel 2, heated and melted into melt, or directly thrown into prepared solution, the heating sleeve 21 can maintain the temperature of the melt/solution in the coating charging barrel 2, the external motor drives the driving roller 5 to rotate, the driving roller 5 drives the driven roller 6, the right guide wheel 7 and the left guide wheel 9 to rotate anticlockwise through the connection of the conductive net 11, when the conductive net 11 passes under the coating charging barrel 2, the coating roller 24 uniformly coats the melt/solution on the outer surface of the conductive net 11 and mainly coats the outer surface of the grid node 113, the height of the receiving plate 4 is adjusted through the lifting base 3, the thimble plate 10 drives the plurality of thimbles 12 corresponding to the product molding surface to move downwards, and the charge voltage of each thimble 12 is regulated by the high-voltage electrostatic generator 13 according to the area precision or the induction voltage is regulated by regulating the distance between the thimble 12 and the conductive net 11, when the thimble 12 moves to a set distance from the conductive net 11, the conductive net 11 is locally induced to be charged, the induction charges are accumulated at the nodes of the longitudinal cords 111 and the transverse wires 112, the melt/solution at the nodes of the longitudinal cords 111 and the transverse wires 112 is subjected to the action of an induction electric field, forming jet flow, wherein the jet flow falls to one surface of a receiving plate 4 for cooling or volatilizing a solvent, bonding and solidifying to form a product, the lifting base 3 drives the receiving plate 4 to descend by a set height, the next surface of the product is continuously formed, the plurality of ejector pins 12 simultaneously move downwards, the corresponding nodes of the longitudinal cords 111 and the transverse connecting lines 112 simultaneously form jet flow, so that the surface-by-surface forming is realized, and finally the whole product is formed; when the product is printed, after the unused melt/solution remained on the outer surface of the conductive net 11 enters the recycling cylinder 8, the melt/solution falls and is recycled into the recycling cylinder 80 under the rotary extrusion action of the upper extrusion roller 81 and the lower extrusion roller 82, and when the melt/solution in the recycling cylinder 80 exceeds a set value, a liquid level sensor 83 alarms to prompt timely cleaning; the ejector pin 12 is de-energized and lifted upward, the induced electric field disappears, and the jet at the junction of the longitudinal cord 111 and the transverse wire 112 disappears, stopping printing.
The 3D printing device based on the grid intersection point triggering type electrostatic spinning method according to the embodiment controls the jet diameter by controlling the high-voltage static electricity of each thimble 12, so that the purpose of controlling the printing precision of products in different areas is achieved, the high-voltage static electricity is high, the induced electric field is large, the jet is thin, the printing precision is high, the jet is thick, the printing precision is low, the low voltage is used in the area with low precision requirements, the rapid forming of the products is achieved, the high voltage is used in the area with high precision requirements, the thin jet is generated, the precision is improved, the precision is adjusted according to the actual conditions of the areas of the products, and the production efficiency of the products is improved on the premise that the precision requirements of the products are guaranteed.
The 3D printing device based on the grid intersection point triggering type electrostatic spinning method according to the embodiment controls the magnitude of the induced electric field by controlling the distance between the thimble 12 and the grid node 113, so as to achieve the purpose of adjusting printing precision, wherein the distance between the thimble 12 and the grid node 113 is short, the induced electric field strength is small, the jet flow is thin, the precision is high, the distance between the thimble 12 and the grid node 113 is long, the induced electric field is weak, the jet flow is thick, and the printing precision is low, so that fine adjustment and control of local precision of a product are performed.
The 3D printing device based on the grid intersection point triggering type electrostatic spinning method according to the embodiment controls the dipping thickness of the melt/solution by adjusting the moving speed of the conductive net 11, so as to achieve the purpose of adjusting and controlling the whole printing precision of the product.
Claims (6)
1. The 3D printing device based on the grid intersection point triggering type electrostatic spinning method is characterized in that the main structure comprises an outer shell, a coating charging barrel, a lifting base, a receiving plate, a driving roller, a driven roller, a right guide wheel, a recycling charging barrel, a left guide wheel, an ejector plate, a conductive net, an ejector pin and a high-voltage electrostatic generator; 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, a coating charging barrel is arranged on the lower surface of the upper wall plate, a lifting base is arranged on the upper surface of the lower wall plate and connected with a receiving plate, a driving roller, a driven roller, a right guide wheel, a recovery charging barrel, a left guide wheel and an ejector plate are arranged on the rear wall plate, a conductive net surrounds the periphery of the driving roller, the driven roller, the right guide wheel and the left guide wheel and penetrates through the recovery charging barrel, a plurality of ejector pins which are arrayed are arranged on the lower surface of the ejector plate, and the ejector plate is electrically connected with a high-voltage electrostatic generator through internal wires; the main structure of the coating charging barrel comprises a coating barrel body, a heating sleeve, a heat preservation shell, an upper cover body and a coating roller; the periphery of the coating barrel body with the hollow cuboid structure is provided with a heating sleeve, the periphery of the heating sleeve is provided with a heat preservation shell, the top parts of the coating barrel body, the heating sleeve and the heat preservation shell are provided with an upper cover body, and the bottom part of the coating barrel body is provided with a coating roller; the main structure of the recovery charging barrel comprises a recovery barrel body, an upper squeeze roller, a lower squeeze roller and a liquid level sensor; the inside of the recovery cylinder body is provided with an upper extrusion roller and a lower extrusion roller with cylindrical structures, the structures of the upper extrusion roller and the lower extrusion roller are the same, the conductive net penetrates in from the left side of the recovery cylinder body and then penetrates through a gap between the upper extrusion roller and the lower extrusion roller, and penetrates out from the right side of the recovery cylinder body, and the inner wall of the recovery cylinder body is provided with a liquid level sensor; the main structure of the conductive net comprises longitudinal cords, transverse connecting lines and grid nodes; the longitudinal cords and the transverse connecting lines with toughness are crisscrossed with uniform density to form a cord basal plane, and grid nodes with spherical structures are embedded at the nodes of the longitudinal cords and the transverse connecting lines.
2. The 3D printing device based on the grid intersection point triggering type electrostatic spinning method according to claim 1, wherein the receiving plate is grounded, the driving roller, the driven roller, the right guide wheel and the left guide wheel are distributed in a quadrilateral, the recycling material cylinder is positioned at the left side of the right guide wheel, and the ejector plate and the ejector pin are positioned in the middle of the quadrilateral formed by the driving roller, the driven roller, the right guide wheel and the left guide wheel.
3. The 3D printing device based on the grid intersection point triggered electrostatic spinning method according to claim 1, wherein the outer shell has insulation and heat preservation functions; the ejector pins are of a hollow structure with an upper section and a lower section in a plug-in manner, the upper section of the pin body is made of an insulating material, the lower section of the pin body is made of a conductive material, a wire is penetrated in the pin body, the lower section of the pin body is electrically connected with the ejector pin plate through the wire, and further electrically connected with the high-voltage electrostatic generator through the ejector pin plate, the ejector pins can be respectively and independently controlled by the ejector pin plate to move up and down, and the lower section of the pin point of each row of ejector pins is correspondingly arranged with grid nodes of the conductive net; the high-voltage electrostatic generator can independently control and adjust the on-off state and the charged voltage of each thimble; the length of the coating cylinder is the same as the width of the conductive net; the heating sleeve is a stainless steel mica electric heating plate and has a heating effect, so that the melt/solution in the coating cylinder is maintained at a set temperature; the coating roller rotates under the drive of the conductive net to take out the melt/solution in the coating cylinder and coat the melt/solution on the conductive net; the grid nodes are of good conductor material, including metal, capable of rapidly forming induced charges, and increases the strength of the induced electric field at the node of the longitudinal cord and the transverse wire.
4. The 3D printing device based on the grid intersection point triggering type electrostatic spinning method according to any one of claims 1 to 3, wherein when the device is used, firstly, the device is connected with a computer, a driving roller is connected with an external motor capable of rotating at a speed regulation, the computer converts a three-dimensional model of a product into a multi-layer two-dimensional plane, then the two-dimensional plane is converted into point set information corresponding to grid nodes, the printing precision of each area is converted into voltage information or position information of a thimble corresponding to the grid node, the computer transmits generated data instructions to a thimble plate, and the thimble plate is used for controlling the corresponding thimble to descend and lift, so that the generation and disappearance of jet flow at the node of a longitudinal cord and a transverse connecting line are realized, the jet flow is controlled to cool or volatilize and solidify a solvent, the surface forming is realized, after the surface forming is finished, a receiving plate moves downwards, prints layer by layer, and finally the whole product is formed.
5. The 3D printing device based on the grid intersection point triggering type electrostatic spinning method according to any one of claims 1 to 3, wherein during printing, polymer granules or powder are thrown into a coating charging barrel, heated and melted into melt, or prepared solution is directly thrown into the coating charging barrel, a heating sleeve can maintain the temperature of the melt/solution in the coating charging barrel, an external motor drives a driving roller to rotate, the driving roller drives a driven roller, a right guide wheel and a left guide wheel to rotate anticlockwise through connection of a conductive net, when the conductive net passes under the coating charging barrel, the coating roller uniformly coats the melt/solution on the outer surface of the conductive net and mainly coats the outer surface of a grid node, the height of a receiving plate is adjusted through a lifting base, a plurality of ejector pins corresponding to the forming surface of a product are driven to move downwards, and the size of the charging voltage of each ejector pin is adjusted through a high-voltage electrostatic generator according to the area precision, after the ejector pins are moved to a set distance from the conductive net, the conductive net is locally and inductively charged, the inductive charge is gathered at a node of a longitudinal wire and a transverse connecting wire, the longitudinal wire and the left guide wheel are connected with the conductive net, the longitudinal wire and the solution are connected with the ejector pins are connected with each other through a horizontal wire, the longitudinal wire and the solution are connected with the ejector wire through the lifting base, the ejector pins are cooled down, the vertical wire is connected with the vertical wire is formed, the vertical wire is further, the vertical wire is connected with the vertical wire is formed, the vertical wire is connected with the product is formed, the product is further, and the product is formed, and the product is shaped, and the product is further vertical, and the product is formed, and the product is shaped, and the product is further, and the product is shaped; when the product is printed, after the unused melt/solution remained on the outer surface of the conductive net enters the recovery cylinder, the melt/solution falls down and is recovered into the recovery cylinder under the rotary extrusion action of the upper extrusion roller and the lower extrusion roller, and when the melt/solution in the recovery cylinder exceeds a set value, a liquid level sensor alarms to prompt timely cleaning; the thimble is powered off and lifted upwards, the induced electric field disappears, and the jet flow at the node of the longitudinal cord and the transverse connecting line disappears, so that printing is stopped.
6. The 3D printing device based on the grid intersection point triggering type electrostatic spinning method according to any one of claims 1 to 3, wherein the jet diameter is controlled by controlling the high-voltage static electricity of each thimble so as to achieve the purpose of controlling the printing precision of the product in different areas, the high-voltage static electricity is high, the induced electric field is large, the jet is thin, the printing precision is high, the jet is thick, the printing precision is lower, in the area with low precision requirement, the lower voltage is used to realize the rapid forming of the product, in the area with high precision requirement, the higher voltage is used to generate thinner jet so as to improve the precision, and the precision adjustment is performed according to the actual conditions of each area of the product, so that the production efficiency of the product can be improved on the premise of ensuring the precision requirement of the product; the distance between the thimble and the grid node is controlled to control the magnitude of the induction electric field so as to achieve the aim of adjusting the printing precision, the distance between the thimble and the grid node is short, the induction electric field strength is high, the jet flow is thin, the precision is high, the distance between the thimble and the grid node is long, the induction electric field is weak, the jet flow is thick, the printing precision is low, and therefore the fine adjustment and control of the local precision of the product are carried out; the dipping thickness of the melt/solution is controlled by adjusting the moving speed of the conductive net so as to realize the purpose of regulating and controlling the integral printing precision of the product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910570738.4A CN110181816B (en) | 2019-06-28 | 2019-06-28 | 3D printing device based on grid intersection point triggering type electrostatic spinning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910570738.4A CN110181816B (en) | 2019-06-28 | 2019-06-28 | 3D printing device based on grid intersection point triggering type electrostatic spinning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110181816A CN110181816A (en) | 2019-08-30 |
| CN110181816B true CN110181816B (en) | 2023-12-22 |
Family
ID=67723956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910570738.4A Active CN110181816B (en) | 2019-06-28 | 2019-06-28 | 3D printing device based on grid intersection point triggering type electrostatic spinning method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110181816B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001966B (en) * | 2021-02-18 | 2023-05-05 | 杭州捷诺飞生物科技股份有限公司 | 3D printing method and 3D printing equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328618A (en) * | 2007-06-18 | 2008-12-24 | 中国科学院理化技术研究所 | Electrostatic spinning machine having special reticulate pattern electrode and use method thereof |
| CN102982720A (en) * | 2012-12-11 | 2013-03-20 | 青岛大学 | Teaching demonstration device for electrostatic spinning |
| CN108166080A (en) * | 2018-03-22 | 2018-06-15 | 北京化工大学 | A kind of dipping liquid formula electrostatic spinning apparatus |
| CN109371479A (en) * | 2018-12-21 | 2019-02-22 | 青岛科技大学 | A kind of solution melt cospinning multi-nozzle electrospinning integrating device |
| CN210100716U (en) * | 2019-06-28 | 2020-02-21 | 青岛科技大学 | 3D printing device based on grid intersection point triggering type electrostatic spinning method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160047075A1 (en) * | 2014-08-14 | 2016-02-18 | Electroloom, Inc. | System and method for automating production of electrospun textile products |
-
2019
- 2019-06-28 CN CN201910570738.4A patent/CN110181816B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328618A (en) * | 2007-06-18 | 2008-12-24 | 中国科学院理化技术研究所 | Electrostatic spinning machine having special reticulate pattern electrode and use method thereof |
| CN102982720A (en) * | 2012-12-11 | 2013-03-20 | 青岛大学 | Teaching demonstration device for electrostatic spinning |
| CN108166080A (en) * | 2018-03-22 | 2018-06-15 | 北京化工大学 | A kind of dipping liquid formula electrostatic spinning apparatus |
| CN109371479A (en) * | 2018-12-21 | 2019-02-22 | 青岛科技大学 | A kind of solution melt cospinning multi-nozzle electrospinning integrating device |
| CN210100716U (en) * | 2019-06-28 | 2020-02-21 | 青岛科技大学 | 3D printing device based on grid intersection point triggering type electrostatic spinning method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110181816A (en) | 2019-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101837642B (en) | Method and device for rapid forming by combining electrostatic spinning technique | |
| CN103407292B (en) | A kind of composite micro-nano 3 D-printing system | |
| CN103407293B (en) | A kind of micro-nano three-dimensional printer based near field electrospinning direct-writing technology | |
| CN103612394B (en) | High-voltage static drive and variable-diameter 3D (three dimensional) printer | |
| CN201357575Y (en) | Rapid forming device combined with electrostatic spinning technology | |
| CN103407163B (en) | A kind of micro-nano 3 D-printing ejecting device | |
| CN108688148A (en) | A kind of 3D printing device and Method of printing based on Static Spinning principle | |
| CN103668488A (en) | Fiber jetting device | |
| CN103213281A (en) | Magnetorheological-material-based 3D (Three-Dimensional) printing type rapid prototyping device and method | |
| CN110181816B (en) | 3D printing device based on grid intersection point triggering type electrostatic spinning method | |
| CN210100716U (en) | 3D printing device based on grid intersection point triggering type electrostatic spinning method | |
| CN105921745A (en) | Plasma cladding direct manufacturing rapid prototyping apparatus and method | |
| CN105922566A (en) | Plasma fusion covering direct manufacture 3D printing equipment and method | |
| CN108385282A (en) | A kind of preparation method of 3 D stereo tunica fibrosa | |
| CN203637190U (en) | Controllable type three-dimensional electrostatic spinning printing device | |
| CN105922571A (en) | Plasma 3D rapid molding equipment and molding method | |
| CN203344503U (en) | Micro-nano three-dimensional printer based on near-field electrospinning direct writing technology | |
| CN106835303B (en) | Metal 3D printing device and method combining laser sintering and electrospinning of carbon fibers | |
| CN105946224A (en) | Three-dimensional molding apparatus for near-electric-field fusion and solvent spinning of high-molecular polymer material | |
| CN102409417B (en) | Artificial intelligence type electrostatic spinning instrument | |
| CN110181809B (en) | Rapid 3D printing device for surface forming based on electrostatic spinning method | |
| CN201334539Y (en) | Novel winding-type electrostatic spinning device | |
| CN105887217A (en) | 3D printing nozzle and printer used for electrostatic spinning | |
| CN105922569A (en) | Plasma fusion covering manufacture rapid molding equipment and molding method | |
| CN210126284U (en) | Quick 3D printing device of face shaping based on electrostatic spinning method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |