CN113878873A - Photocuring anisotropic permanent magnet 3D printer and using method thereof - Google Patents
Photocuring anisotropic permanent magnet 3D printer and using method thereof Download PDFInfo
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- CN113878873A CN113878873A CN202111180203.XA CN202111180203A CN113878873A CN 113878873 A CN113878873 A CN 113878873A CN 202111180203 A CN202111180203 A CN 202111180203A CN 113878873 A CN113878873 A CN 113878873A
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- 238000000016 photochemical curing Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000010146 3D printing Methods 0.000 claims abstract description 14
- 238000007639 printing Methods 0.000 claims description 42
- 238000003860 storage Methods 0.000 claims description 27
- 230000005284 excitation Effects 0.000 claims description 26
- 238000001723 curing Methods 0.000 claims description 13
- 238000007711 solidification Methods 0.000 claims description 10
- 230000008023 solidification Effects 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000006247 magnetic powder Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000006249 magnetic particle Substances 0.000 claims description 3
- 239000012778 molding material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
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- 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
- B29C64/10—Processes of additive manufacturing
- B29C64/165—Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
-
- 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
- B29C64/227—Driving means
- B29C64/241—Driving means for rotary motion
-
- 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
- B29C64/245—Platforms or substrates
-
- 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
- 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
- B33Y10/00—Processes of additive manufacturing
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The invention relates to a photocuring anisotropic permanent magnet 3D printer and a using method thereof, belonging to the technical field of photocuring anisotropic permanent magnet forming, and solving the problem that injection molding extrusion or hot press forming and hot press forming under a magnetic field condition can not realize occasions with higher requirements on both form and magnetic performance. The invention provides a novel method, a novel process and novel equipment for preparing a high-molecular mixed permanent magnet, and provides novel equipment for 3D printing of a high-molecular mixed permanent magnet material.
Description
Technical Field
The invention belongs to the technical field of forming of photocuring anisotropic permanent magnets, and particularly relates to a photocuring anisotropic permanent magnet 3D printer and a using method thereof.
Background
At present, the preparation of the polymer composite permanent magnetic material mostly adopts injection molding extrusion or hot press molding and hot press molding under the condition of a magnetic field. The injection molding can be used for manufacturing magnets with complex structures but has lower magnetic performance, and the hot-press molding magnets have better magnetic performance but single shape. It is impossible to realize the case where the requirements for both form and magnetic property are high. Therefore, the polymer composite permanent magnet with complex shape and high magnetic performance requirement is manufactured in a 3D printing mode under the condition of a magnetic field.
Disclosure of Invention
The invention provides a photocuring anisotropic permanent magnet 3D printer and a using method thereof, aiming at the problem that injection molding extrusion or hot press molding and hot press molding under a magnetic field condition can not realize occasions with higher requirements on both form and magnetic performance, and the photocuring anisotropic permanent magnet 3D printer is particularly suitable for printing mixed photocuring glue of anisotropic magnetic powder. The invention solves the problem of glue mixing and printing of the anisotropic permanent magnet and provides novel equipment and a production mode for producing the polymer composite permanent magnet.
The invention adopts the following technical scheme:
the utility model provides a photocuring anisotropic permanent magnet 3D printer, includes feedway, printout device, annular servo gear motor, excitation and solidification equipment and three-dimensional print platform, printout device is located feedway's below, annular servo gear motor is located printout device's below, excitation device is located annular servo gear motor's below, feedway, printout device, annular servo gear motor and excitation and solidification equipment connect the back to be fixed on three-dimensional print platform.
The feeding device comprises a storage cylinder, a piston is arranged in the storage cylinder, a detachable tail plate provided with a sealing ring is arranged at one end of the storage cylinder, a pneumatic connector communicated with the storage cylinder is arranged above the detachable tail plate, a discharge port is arranged at the other end of the storage cylinder, and a thread is arranged at the tail end of the discharge port.
The printing output device comprises a feeding pipe, a ball valve and an electromagnetic valve are arranged on the feeding pipe, an output port below the ball valve is connected with an input port above the electromagnetic valve, an output port below the electromagnetic valve is connected with a printing needle head through threads, and the feeding pipe is connected with the tail end of a storage cylinder through threads.
Annular servo gear motor is equipped with mounting flange including the servo motor who contains the speed reducer, servo motor's bottom, and mounting flange's one end is equipped with annular rotation flange, and servo motor passes through gear output to annular rotation flange.
The excitation device comprises a hollow pure iron magnetic conduction piece, magnetic poles are arranged at two ends of the magnetic conduction piece downwards, magnetic pole heads inclined inwards are symmetrically arranged at the tail ends of the magnetic poles, excitation coils are wound on the magnetic poles, a curing device is arranged above the magnetic conduction piece, and the curing device is a pair of ultraviolet curing lamps which are arranged at an angle of 90 degrees with the magnetic pole heads; the upper end surface of the excitation and solidification device is fixed on the lower end surface of an annular rotating flange of the annular servo speed reduction motor.
The printing needle head penetrates through the annular rotating flange and the magnetic conducting piece, and is positioned in the middle of the two magnetic conducting pole heads.
The three-dimensional printing platform comprises a base, an X-axis servo lead screw sliding table, a Y-axis servo lead screw sliding table and a Z-axis servo lead screw sliding table which are 90 degrees apart from each other, wherein the X-axis servo lead screw sliding table is located at the top end of the base, the Y-axis servo lead screw sliding table is located at the lower end of the base, the Z-axis servo lead screw sliding table is located on a sliding block of the X-axis servo lead screw sliding table, and a mounting plane is arranged on the sliding block of the Z-axis servo lead screw sliding table.
The feeding device, the printing output device, the annular servo speed reducing motor and the excitation and solidification device are fixed on the installation plane.
The pneumatic connector is located in the middle of the detachable tail plate and connected with compressed gas through a pneumatic hose.
The printing needle head is provided with an internal thread connecting port, and the tail end of the printing needle head is a hollow flat needle head made of 316L stainless steel.
A using method of a photocuring anisotropic permanent magnet 3D printer comprises the following steps:
first, filling a material to be printed: the printer is ensured to be in a shutdown state, compressed air is not input into the storage cylinder, the rear detachable tail plate is detached, the piston is taken out, and then prepared materials to be printed are injected into the storage cylinder to cover the piston and ensure air discharge. Connecting a detachable tail plate, inserting a pneumatic hose, adjusting pressure and completing preparation work;
secondly, inputting a printing program into the control system, and opening a ball valve;
thirdly, the system starts printing, the electromagnetic valve is opened by a control program, excitation and ultraviolet illumination are simultaneously started, the material to be printed is output at a constant speed, magnetic powder magnetic particles are sequentially arranged, stacked and molded under the action of a magnetic field, and the material is rapidly solidified under the irradiation of ultraviolet light;
and fourthly, in the printing process, according to the requirement of the magnetic field direction of the molding material, the magnetic pole head can rotate at different angles to form different magnetic field directions, and different magnetic field application requirements of internal and external single poles, internal and external multistage and multistage inclined charging and the like of the annular magnet can be met.
The invention relates to equipment and a process for molding anisotropic permanent magnet fine powder mixed light-cured glue by adopting a 3D printing method under the condition of a magnetic field, which are suitable for the mixed glue 3D printing of anisotropic permanent magnet powder such as neodymium iron boron, and the like. The invention provides a novel method, a novel process and novel equipment for preparing a high-molecular mixed permanent magnet, and provides novel equipment for 3D printing of a high-molecular mixed permanent magnet material.
The invention has the following beneficial effects:
compared with the existing method for preparing the polymer composite permanent magnet material by injection molding extrusion or hot press molding and hot press molding under the magnetic field condition, the polymer composite permanent magnet produced by the 3D photocuring anisotropic permanent magnet 3D printer has the advantages of diversified forms and good magnetic performance. A brand new structure and method are provided for the problem of printing of the anisotropic permanent magnet mixed polymer adhesive.
Drawings
FIG. 1 is a schematic view of the structure of a feeding device of the present invention;
FIG. 2 is a schematic diagram of a printout according to the present invention;
FIG. 3 is a schematic structural diagram of a circular servo deceleration motor of the present invention;
FIG. 4 is a schematic structural diagram of an excitation and solidification device according to the present invention;
FIG. 5 is a schematic view of an assembly structure of a feeding device, a printout device, an annular servo motor and an excitation and solidification device according to the present invention;
FIG. 6 is a schematic structural diagram of a three-dimensional printing platform according to the present invention;
FIG. 7 is a schematic view of the overall assembly structure of the present invention;
wherein: 1-a material storage cylinder; 2-a piston; 3-detachable tail plate; 4-a pneumatic joint; 5-a feeding pipe; 6-ball valve; 7-an electromagnetic valve; 8-printing needle heads; 9-a servo motor; 10-installing a flange; 11-an annular rotating flange; 12-a magnetically permeable member; 13-magnetic pole; 14-a magnetically conducting pole head; 15-a field coil; 16-ultraviolet curing lamps; 17-a base; an 18-X axis servo lead screw sliding table; a 19-Y axis servo lead screw sliding table; a 20-Z axis servo lead screw sliding table; 21-mounting plane.
Detailed Description
The invention is further explained with reference to the accompanying drawings.
As shown in the figure, the photocuring anisotropic permanent magnet 3D printer comprises a feeding device, a printing and outputting device, an annular servo speed reduction motor, an excitation and curing device and a three-dimensional printing platform, wherein the printing and outputting device is located below the feeding device, the annular servo speed reduction motor is located below the printing and outputting device, the excitation device is located below the annular servo speed reduction motor, and the feeding device, the printing and outputting device, the annular servo speed reduction motor and the excitation and curing device are connected and then fixed on the three-dimensional printing platform.
The feeding device comprises a storage cylinder 1, the storage cylinder is of a hollow needle cylinder structure made of high polymer materials, a piston 2 capable of sliding up and down is arranged in the storage cylinder 1, a detachable tail plate 3 provided with a sealing ring is arranged at one end of the storage cylinder 1, a pneumatic connector 2 communicated with the storage cylinder 1 is arranged above the detachable tail plate 3, a discharge hole is formed in the other end of the storage cylinder 1, and a connecting thread is arranged at the tail end of the discharge hole. Pneumatic joint 4 is located the middle part of removable tailboard 3, and pneumatic joint 4 is connected with compressed gas through pneumatic hose, and compressed gas passes through pneumatic hose and is inputed to the storage section of thick bamboo by pneumatic joint, and the piston top, the space that removable tailboard diameter formed forms invariable pressure, acts on the material of piston below.
Printout device includes feed pipe 5, and feed pipe 5 is the hard tube that macromolecular material constitutes, is equipped with miniature ball valve 6 and miniature solenoid valve 7 that have the manual control break-make on feed pipe 5, and the delivery outlet of ball valve 6 below and the input port connection of solenoid valve 7 top, and there is printing syringe needle 8 at the delivery outlet of solenoid valve 7 below through threaded connection, and printing syringe needle 8 is the internal thread connector of macromolecular material, and there is the cavity plain-barreled syringe needle that 316L stainless steel made the lower part. The feeding pipe 5 is connected with the thread at the tail end of the storage cylinder 1.
Annular servo gear motor is equipped with mounting flange 10 including the servo motor 9 that contains the speed reducer, servo motor 9's bottom, and the one end of mounting flange 10 is equipped with annular rotating flange 11, and servo motor 9 exports annular rotating flange 11 through the gear. The annular rotating flange 11 is a hollow structure with mounting screw holes and can rotate and stop at any position relative to the mounting flange 10 of the static part.
The excitation device comprises a hollow pure iron magnetic conduction piece 12, magnetic poles 13 are arranged at two ends of the magnetic conduction piece 12 downwards, magnetic pole heads 14 which are inclined inwards are symmetrically arranged at the tail ends of the magnetic poles 13, an excitation coil 15 is wound on the magnetic poles 13, and a curing device is arranged above the magnetic conduction piece 12 and is a pair of ultraviolet curing lamps 16 which are arranged at an angle of 90 degrees with the magnetic pole heads 14; the upper end surface of the excitation and solidification device is fixed on the lower end surface of an annular rotating flange 11 of the annular servo speed reduction motor; the printing needle head 8 penetrates through the annular rotating flange 11 and the magnetic conduction piece 12, and the printing needle head 8 is positioned in the middle of the two magnetic conduction pole heads 14.
The three-dimensional printing platform comprises a base 17, an X-axis servo lead screw sliding table 18, a Y-axis servo lead screw sliding table 19 and a Z-axis servo lead screw sliding table 20 which are mutually 90 degrees, wherein the X-axis servo lead screw sliding table 18 is positioned at the top end of the base 17, the Y-axis servo lead screw sliding table 19 is positioned at the lower end of the base 17, the Z-axis servo lead screw sliding table 20 is positioned on a sliding block of the X-axis servo lead screw sliding table 18, and a mounting plane 21 is arranged on the sliding block of the Z-axis servo lead screw sliding table 20; the feeding device, the printing output device, the annular servo speed reduction motor and the excitation and solidification device are fixed on the installation plane 21.
The printing needle head can realize the moving printing of a three-dimensional space under the driving of a servo sliding table of a three-dimensional printing platform, and two magnetic conductive pole heads on two sides of the printing needle head can rotate at any angle by taking the printing needle head as an axis under the driving of an annular servo speed reducing motor.
In order to facilitate understanding of the above-described technical aspects of the present invention, the above-described technical aspects of the present invention will be described in detail below in terms of specific usage.
When the photocuring anisotropic permanent magnet 3D printer is used specifically, the steps of using the photocuring anisotropic permanent magnet 3D printer are as follows:
firstly, the filling of the material to be printed is completed before the photocuring anisotropic permanent magnet 3D printer is started. Firstly, the printer is in a shutdown state and compressed air is not input into the storage cylinder. And (4) dismantling the rear detachable tail plate and taking out the piston. And then, injecting the prepared material to be printed into the material storage cylinder, covering the piston and ensuring that air is discharged. The detachable tail plate is connected, the pneumatic hose is inserted, and the pressure is adjusted. The preparation is completed.
Secondly, inputting a printing program into the control system, and opening the manual miniature ball valve.
Thirdly, taking a printing circular permanent magnet as an example: the system starts printing, and the control program opens the electromagnetic valve and simultaneously starts excitation and ultraviolet illumination. The material to be printed is output at a constant speed, magnetic powder magnetic particles are sequentially arranged, stacked and molded under the action of a magnetic field, and are rapidly solidified under the irradiation of ultraviolet light.
Fourthly, in the printing process, according to the requirement of the magnetic field direction of the molding material, the exciter pole head can rotate by different angles to form different magnetic field directions, and different magnetic field application requirements of inner and outer single poles, inner and outer multistage and multistage inclined charging and the like of the annular magnet can be met.
Claims (9)
1. The utility model provides a photocuring anisotropic permanent magnet 3D printer which characterized in that: the printing and fixing device comprises a feeding device, a printing and outputting device, an annular servo speed reducing motor, an excitation and curing device and a three-dimensional printing platform, wherein the printing and outputting device is positioned below the feeding device, the annular servo speed reducing motor is positioned below the printing and outputting device, the excitation device is positioned below the annular servo speed reducing motor, and the feeding device, the printing and outputting device, the annular servo speed reducing motor and the excitation and curing device are connected and then fixed on the three-dimensional printing platform.
2. The photocuring anisotropic permanent magnet 3D printer of claim 1, characterized in that: the feeding device comprises a storage cylinder (1), a piston (2) is arranged in the storage cylinder (1), a detachable tail plate (3) provided with a sealing ring is arranged at one end of the storage cylinder (1), a pneumatic connector (2) communicated with the storage cylinder (1) is arranged above the detachable tail plate (3), a discharge hole is formed in the other end of the storage cylinder (1), and a thread is arranged at the tail end of the discharge hole.
3. The photocuring anisotropic permanent magnet 3D printer of claim 2, characterized in that: the printing output device comprises a feeding pipe (5), wherein a ball valve (6) and a solenoid valve (7) are arranged on the feeding pipe (5), an output port below the ball valve (6) is connected with an input port above the solenoid valve (7), an output port below the solenoid valve (7) is connected with a printing needle head (8) through threads, and the feeding pipe (5) is connected with the tail end of the storage cylinder (1) through threads.
4. A photocuring anisotropic permanent magnet 3D printer as recited in claim 3, wherein: annular servo gear motor is equipped with mounting flange (10) including servo motor (9) that contain the speed reducer, the bottom of servo motor (9), and the one end of mounting flange (10) is equipped with annular rotating flange (11), and servo motor (9) are exported annular rotating flange (11) through the gear.
5. The photocuring anisotropic permanent magnet 3D printer of claim 4, characterized in that: the excitation device comprises a hollow pure iron magnetic conduction piece (12), magnetic poles (13) are arranged at two ends of the magnetic conduction piece (12) downwards, inward-inclined magnetic conduction pole heads (14) are symmetrically arranged at the tail ends of the magnetic poles (13), excitation coils (15) are wound on the magnetic poles (13), a curing device is arranged above the magnetic conduction piece (12), and the curing device is a pair of ultraviolet curing lamps (16) which are arranged at an angle of 90 degrees with the magnetic conduction pole heads (14); the upper end surface of the excitation and solidification device is fixed on the lower end surface of an annular rotating flange (11) of the annular servo speed reduction motor; the printing needle head (8) penetrates through the annular rotating flange (11) and the magnetic conduction piece (12), and the printing needle head (8) is positioned in the middle of the two magnetic conduction pole heads (14).
6. The photocuring anisotropic permanent magnet 3D printer of claim 5, characterized in that: the three-dimensional printing platform comprises a base (17), an X-axis servo lead screw sliding table (18), a Y-axis servo lead screw sliding table (19) and a Z-axis servo lead screw sliding table (20), wherein the X-axis servo lead screw sliding table (18), the Y-axis servo lead screw sliding table (19) and the Z-axis servo lead screw sliding table (20) are mutually 90 degrees, the X-axis servo lead screw sliding table (18) is positioned at the top end of the base (17), the Y-axis servo lead screw sliding table (19) is positioned at the lower end of the base (17), the Z-axis servo lead screw sliding table (20) is positioned on a sliding block of the X-axis servo lead screw sliding table (18), and a mounting plane (21) is arranged on a sliding block of the Z-axis servo lead screw sliding table (20); the feeding device, the printing output device, the annular servo speed reduction motor and the excitation and solidification device are fixed on the installation plane (21).
7. The photocuring anisotropic permanent magnet 3D printer of claim 6, characterized in that: the pneumatic connector (4) is located in the middle of the detachable tail plate (3), and the pneumatic connector (4) is connected with compressed air through a pneumatic hose.
8. The photocuring anisotropic permanent magnet 3D printer of claim 7, characterized in that: the printing needle head (8) is provided with an internal thread connecting port, and the tail end of the printing needle head is a hollow flat needle head made of 316L stainless steel.
9. A use method of a photocuring anisotropic permanent magnet 3D printer is characterized in that: the method comprises the following steps:
first, filling a material to be printed: ensuring that the printer is in a shutdown state and compressed air is not input into the storage cylinder, dismantling the rear detachable tail plate, taking out the piston, injecting prepared materials to be printed into the storage cylinder, covering the piston, ensuring air to be discharged, connecting the detachable tail plate, inserting a pneumatic hose, adjusting pressure and completing preparation work;
secondly, inputting a printing program into the control system, and opening a ball valve;
thirdly, the system starts printing, the electromagnetic valve is opened by a control program, excitation and ultraviolet illumination are simultaneously started, the material to be printed is output at a constant speed, magnetic powder magnetic particles are sequentially arranged, stacked and molded under the action of a magnetic field, and the material is rapidly solidified under the irradiation of ultraviolet light;
and fourthly, in the printing process, according to the requirement of the magnetic field direction of the molding material, the magnetic pole head can rotate at different angles to form different magnetic field directions, and different magnetic field application requirements of internal and external single poles, internal and external multistage and multistage inclined charging and the like of the annular magnet can be met.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111180203.XA CN113878873A (en) | 2021-10-11 | 2021-10-11 | Photocuring anisotropic permanent magnet 3D printer and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111180203.XA CN113878873A (en) | 2021-10-11 | 2021-10-11 | Photocuring anisotropic permanent magnet 3D printer and using method thereof |
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| CN113878873A true CN113878873A (en) | 2022-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474727A (en) * | 2022-01-12 | 2022-05-13 | 中国科学院宁波材料技术与工程研究所 | Magnetic field auxiliary device for 3D printer |
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| CN109732923A (en) * | 2019-01-02 | 2019-05-10 | 浙江大学 | A kind of pre- photocuring formula extrusion 3D printing spray head towards a variety of light-sensitive materials |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474727A (en) * | 2022-01-12 | 2022-05-13 | 中国科学院宁波材料技术与工程研究所 | Magnetic field auxiliary device for 3D printer |
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