CN209920539U - 3D printing device with variable-volume high-temperature forming chamber - Google Patents
3D printing device with variable-volume high-temperature forming chamber Download PDFInfo
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- CN209920539U CN209920539U CN201920263000.9U CN201920263000U CN209920539U CN 209920539 U CN209920539 U CN 209920539U CN 201920263000 U CN201920263000 U CN 201920263000U CN 209920539 U CN209920539 U CN 209920539U
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Abstract
The utility model discloses a have variable high temperature forming chamber 3D printing device of volume. The rotary shafts at the bottoms of the three heating insulation boards and the visual window board are respectively connected to the sliding blocks of the respective linear guide rail assemblies, the adjacent heating insulation boards and the visual window board are arranged on the side faces, the lower pulleys are sequentially connected with the corresponding sliding grooves on the side faces of the adjacent heating insulation boards or the visual window board, each rotary shaft slides on the sliding blocks of the respective linear guide rail assemblies and slides in the sliding grooves, a variable-volume high-temperature forming chamber is formed, the feeding mechanism and the spray head assemblies are arranged on the top face of the forming chamber, the printing platform assemblies are arranged in the forming chamber, the three heating insulation boards and the printing platform assemblies are respectively connected with the respective heating control systems, and the bottom face of the forming chamber and the linear guide rail assemblies are all. The utility model discloses it is variable to have constant temperature forming chamber volume, and heating efficiency is high, the energy saving, and heating temperature is high, can adapt to the requirement that different materials printed the temperature, simple structure, easy to maintain.
Description
Technical Field
The utility model relates to a 3D printing device, concretely relates to have variable high temperature forming chamber 3D printing device of volume.
Background
Additive manufacturing is commonly called 3D printing technology, is a modern advanced processing technology integrating machinery, electronics, computers, materials and control into a whole, breaks away from a plurality of obstacles of traditional mechanical processing, does not need equipment such as a cutter clamp or a mould and the like, and has the core of the principle of layered manufacturing and layer-by-layer superposition. Firstly, a complete three-dimensional entity is designed by using computer aided design software, then a three-dimensional model is cut into section slices with certain thickness by using slicing software to generate a data file which can be identified by a 3D printer, and then the printer fills the sections layer by using liquid or solid materials to finally manufacture the three-dimensional entity.
The currently mainstream 3D printing technology includes a photo-curing molding method, selective laser sintering, layered entity manufacturing, fused deposition molding, electron beam fusion molding, etc., wherein the fused deposition molding technology can mold most of thermoplastics, eutectic metals, etc., has simple operation and low cost, does not use laser, can be operated in an office environment, and is a molding method developed rapidly at present.
Because the performance of the parts of the fused deposition modeling product is poor due to the limitation of the modeling principle, the strength, the rigidity, the mechanical processing property and the like are not similar to the traditional processing mode, the materials which can be used for fused deposition modeling in the market comprise acrylonitrile-butadiene-styrene copolymer (ABS), polylactic acid (PLA), Polycarbonate (PC), polyphenylsulfone (PPSF), polyethylene terephthalate-1, 4-cyclohexane dimethanol ester (PETG), Polyamide (PA) and the like, the materials which can be processed at present are very limited, the processing temperature is below 300 ℃, for high-temperature special engineering plastics such as polyether ether ketone and polyimide, the polyimide cannot be processed by fused deposition modeling at present, and the special engineering plastics have a great demand in national defense and civil use, therefore, a high-temperature fused deposition modeling printer is developed, the range of the fused deposition modeling processable material is expanded, in particular to the special engineering plastics and the composite material thereof, the research on the processing technology is very important. In the fused deposition molding process, in order to effectively reduce the warpage in the printing process, the molding chamber and the printing platform are often required to be heated, and for high polymer materials such as polyether ether ketone (PEEK), the temperatures required by the molding chamber and the printing platform are higher, so that the heating efficiency is improved, the energy consumption is reduced, and the size of the molding chamber is adjusted according to the size of a printed sample piece, so that the method is an effective solution.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the background art, the utility model aims to provide a have variable high temperature forming chamber 3D printing device of volume, especially to this kind of high temperature resistant special engineering plastics of PEEK.
In order to achieve the purpose of the invention, the utility model adopts the technical scheme that:
the utility model discloses a: the system comprises three heating insulation boards with the same structure, a visual window board, four linear guide rail components with the same structure, a feeding mechanism, a spray head component, a printing platform component and four heating control systems with the same structure; the rotating shafts at the bottoms of the three heating insulation boards and the rotating shaft at the bottom of the visual window board are respectively connected on the sliding blocks of the respective linear guide rail components, the adjacent heating insulation boards pass through the upper and lower pulleys on the side surface or the visual window board passes through the side surface, the lower pulley is connected with the corresponding sliding groove of the side face of the adjacent heating insulation board or the corresponding sliding groove of the side face of the visual window board in sequence, each rotating shaft slides on the sliding block of each linear guide rail component and slides in the sliding groove of the pulley, three faces of the variable high-temperature forming chamber with the heating insulation board and the visual window board are formed, the feeding mechanism and the spray head component are installed on the top face of the variable high-temperature forming chamber, the printing platform component is installed in the variable high-temperature forming chamber with the volume, the three heating insulation boards and the printing platform component are connected with the respective heating control system, and the bottom face of the variable high-temperature forming chamber with the volume and the four linear guide rail components are all placed on.
The three heating and heat-insulating plates with the same structure are all provided with three-layer structures, the inner layer is an array type heating body for heating the forming chamber, the outer layer is a shell for fixing the whole forming chamber and the internal heating body, and the middle part is a heat-insulating material layer; the detachable heating insulation board is provided with two sliding chutes at the upper part and a sliding chute at the lower part, a pulley is arranged at the side of the sliding chute below the upper part at one side of the heating insulation board, and another pulley is arranged at the side of the sliding chute at the lower part; the bottom of each heating insulation board is provided with a rotating shaft, and the sliding chutes on the upper parts of one sides of the two opposite heating insulation boards are connected with the folding corrugated glass fiber cloth through respective pulleys.
Visual window board, for double-deck quartz glass, visual window board upper portion is opened has two spouts, and open the lower part has a spout, and the spout limit below the upper portion of visual window board one side is equipped with the pulley, and another pulley is equipped with on the spout limit of lower part, and the pivot is equipped with to visual window board bottom.
Four linear guide subassembly that the structure is the same all include: the device comprises a motor, a guide rail, a lead screw and a slide block; four sliders link to each other with the pivot of three heating heated board bottoms and the pivot of visual window board bottom respectively, and each heating heated board links to each other through spout and pulley respectively with adjacent heating heated board and visual window board to the formation has square high temperature shaping room, and pulley 13 slides in the spout, thereby changes the volume of high temperature shaping room, the foldable corrugate glass fiber cloth of linear guide subassembly both sides cladding.
Feeding mechanism and shower nozzle subassembly includes: the device comprises a connecting plate, a U-shaped plate, a heating block, a thermocouple, a nozzle, a heating rod, a throat pipe, printing wires, a wire feeding roller pair, a radiating fin, a fan and a linear guide rail; the heating block is fixed on the throat pipe through threads, and printing wires are extruded out from the nozzle through the throat pipe through the wire feeding roller pair; the fan is fixed on the connecting plate, and the connecting plate is fixed on the linear guide rail; the heating block is internally provided with a thermocouple and a heating rod.
The printing platform assembly comprising: the printing platform, the flat plate, the leveling nut and the connecting rod piece are connected; the flat plate is arranged below the printing platform and connected by a plurality of leveling nuts which are uniformly distributed, and the flat plate is connected with a Z-axis motor screw rod through a vertically arranged connecting rod piece to control the lifting of the platform. The heating temperature control system is externally arranged on a printer mainboard.
The four heating control systems with the same structure are respectively a heating control system for heating the heat insulation board, and a heating control system for the printing platform, and are respectively and sequentially connected in series in the control circuit by a heating power supply electrode, another thermocouple, a temperature control instrument and a relay, and the array type heating element or the printing platform is respectively connected with the output end of the relay to form a closed loop in a 220V circuit.
The high-temperature forming chamber is characterized in that a ventilating pipeline is further arranged at the bottom of the high-temperature forming chamber, internal air is exhausted through a fan through a closable ventilation opening, and a ventilation opening capable of being closed is further arranged at the top of the high-temperature forming chamber.
Compared with the background art, the utility model discloses the beneficial effect who has is:
1) the volume of the constant-temperature forming chamber can be changed according to actual requirements, so that the heating efficiency can be effectively improved, and energy is saved;
2) the working state and the heating temperature of each array type heating element on the heating insulation board can be independently controlled through the temperature control component, so that unnecessary energy consumption is effectively reduced;
3) a plurality of heatable insulation board modules can be installed according to actual requirements, and volume-variable constant-temperature forming chambers in different forms can be formed;
4) the high-power heating element is separated from the printer mainboard, so that the load and the heat productivity of the mainboard are greatly reduced, and the service life of the printer can be effectively prolonged;
5) the device has simple structure, convenient assembly and disassembly and easy maintenance.
Drawings
Fig. 1 is a schematic view of the overall structure of the constant temperature forming chamber with variable volume of the present invention.
Fig. 2 is the structural schematic diagram of the heatable insulation board of the present invention.
Fig. 3 is a side view of fig. 2.
Fig. 4 is the structural diagram of the window plate with visualization of the present invention.
Fig. 5 is a side view of fig. 4.
Fig. 6 is a schematic structural view of the printing platform, the feeding mechanism and the nozzle assembly of the present invention.
Fig. 7 is a schematic view of the heating platform and the array type heating element temperature control system of the present invention.
In the figure: 1. a motor, 2, a guide rail, 3, a lead screw, 4, a slide block, 5, a heatable insulation board, 6, a chute, 7, an array type heating body, 8, an insulation material, 9, a shell, 10, a 360-degree rotating shaft, 11, a temperature control box, 12, a plurality of groups of power lines and temperature control lines, 13, pulleys, 14, a printing platform, 15, a flat plate, 16, a leveling nut, 17, a connecting rod, 18, folding corrugated glass fiber cloth, 19, a connecting plate, 20, a U-shaped plate, 21, a heating block, 22, a thermocouple, 23, a nozzle, 24, a heating rod, 25, a throat pipe, 26, a printing wire material, 27, a wire feeding roller pair, 28, a radiating fin, 29, a fan, 30, a linear guide rail, 31, folding corrugated glass fiber cloth, 32, a heating power electrode, 33, a thermocouple, 34, a temperature control instrument, 35, double-layer quartz glass, 36, an insulation material, 37 and a relay, 38. the device comprises a sliding chute, 39, a pulley, 40, a connecting sheet, 41, a fan, 42, an air channel, 43, a ventilation opening capable of being closed, 44 and a visual window plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, the present invention includes: the heating and heat-insulating plate comprises three heating and heat-insulating plates 5 with the same structure, a visual window plate 44, four linear guide rail components with the same structure, a feeding mechanism, a spray head component, a printing platform component and four heating control systems with the same structure.
Three rotating shafts 10 at the bottom of the heating insulation board 5 and three rotating shafts 10 at the bottom of the visual window board 44 are respectively connected to the sliding blocks 4 of the respective linear guide rail components, the adjacent heating insulation board 5 is sequentially connected with the sliding groove 6 corresponding to the side of the adjacent heating insulation board 5 or the sliding groove 6 corresponding to the side of the visual window board 44 through the upper and lower sliding wheels 13 at the side or the visual window board 44 at the side, each rotating shaft 10 slides on the sliding block 4 of the respective linear guide rail component and the sliding of the sliding wheels 13 in the sliding groove 6 to form a variable-volume high-temperature forming chamber with three heating insulation boards 5 and one visual window board 44, a feeding mechanism and a spray head component are arranged on the top surface of the variable-volume high-temperature forming chamber, a printing platform component is arranged in the variable-volume high-temperature forming chamber, and the three heating insulation boards 5 and the printing platform component are respectively, the variable volume high temperature forming chamber floor and the four linear guide assemblies are all placed on the insulating material 37.
According to the size that the size of printing appearance piece changed high temperature forming chamber, effectively improved heating efficiency, reduced the waste of the energy, variable high temperature forming chamber of volume can provide the stable ambient temperature that can reach 300 ℃ the highest at the printing in-process, has the heating and the heat preservation function of lasting stability the utility model relates to a heating platform temperature can reach 400 ℃, beats printer head temperature and can reach 500 ℃ the highest. Can meet the printing requirements of most of high-strength high-performance high-temperature-resistant special engineering plastics.
As shown in fig. 1, 2, 3 and 6, the three heating and heat-insulating plates 5 with the same structure all have three-layer structures, wherein the inner layer is an array-type heating element 7 for heating the forming chamber, the outer layer is a shell 9 for fixing the whole forming chamber and the internal heating element, and the middle layer is a heat-insulating material layer 8; the upper part of the detachable heating insulation board is provided with two sliding chutes, the lower part of the detachable heating insulation board is provided with a sliding chute 6, the edge of the sliding chute 6 below the upper part of one side of the heating insulation board is provided with a pulley 13, and the edge of the sliding chute 6 at the lower part of the detachable heating insulation board is provided with another pulley 13; the bottom of the heating insulation board 5 is provided with a rotating shaft 10, and the sliding chutes 38 on the upper parts of one sides of the two opposite heating insulation boards 5 are connected with the folding type corrugated glass fiber cloth 18 through respective pulleys 39. The forming chamber heating control system consists of array heating bodies 7, a plurality of groups of power lines and temperature control lines 12 and a temperature control box 11, and the number of the required heating bodies and the temperature of each heating body are adjusted according to the size of the required forming chamber.
As shown in fig. 4 and 5, the visualization window plate 44 is a double-layer quartz glass 35, two sliding grooves are formed in the upper portion of the visualization window plate 44, one sliding groove is formed in the lower portion of the visualization window plate 44, a pulley 13 is mounted on the side of the sliding groove below the upper portion on one side of the visualization window plate 44, another pulley 13 is mounted on the side of the sliding groove on the lower portion of the visualization window plate, and the rotating shaft 10 is mounted at the bottom of the visualization window.
As shown in fig. 1, 2, 3, 4, and 5, the four linear guide rail assemblies with the same structure each include: the device comprises a motor 1, a guide rail 2, a lead screw 3 and a slide block 4; four sliders 4 link to each other with the pivot 10 of three blocks of heating heated board 5 bottoms and the pivot 10 of visual window board 44 bottom respectively, and each heating heated board 5 links to each other through spout 6 and pulley 13 with adjacent heating heated board 5 and visual window board 44 respectively to the formation has square high temperature shaping room, and pulley 13 slides in the spout, thereby changes the volume of high temperature shaping room, the foldable corrugate glass fiber cloth 31 of linear guide subassembly both sides cladding.
As shown in fig. 6, the feeding mechanism and the spray head assembly include: the device comprises a connecting plate 19, a U-shaped plate 20, a heating block 21, a thermocouple 22, a nozzle 23, a heating rod 24, a throat 25, printing wires 26, a wire feeding roller pair 27, a radiating fin 28, a fan 29 and a linear guide rail 30; the radiating fins 28, the connecting plate 19, the U-shaped plate 20 and the heating block 21 are all fixed on the throat pipe 25 through threads, and printing wires 26 are extruded out of the nozzle 23 through the throat pipe 25 through a wire feeding roller pair 27; the fan 29 is fixed on the connecting plate 19, and the connecting plate 19 is fixed on the linear guide rail 30; the heating block 21 is provided with a thermocouple 22 and a heating rod 24.
The heating block 21 is a brass heating block, which can maintain high strength at high temperature and has high thermal conductivity. The heating rod 24 is a high-power heating rod, so that the nozzle can reach the heating temperature of 500 ℃ and can melt most of thermoplastic materials. The fan 29 is a high-speed high-power forced cooling fan, which can make the printing silk material 26 enter the nozzle 23 from the throat 25 with a more obvious cold and hot boundary line, and thus the blockage is not easy to generate.
As shown in fig. 6, the printing platform assembly includes: the printing platform 14, the flat plate 15, the leveling nut 16 and the connecting rod piece 17; the flat plate 15 is arranged below the printing platform 14 and is connected by a plurality of leveling nuts 16 which are uniformly distributed, and the flat plate 15 is connected with a Z-axis motor screw rod through a connecting rod piece 17 which is vertically arranged to control the lifting of the platform. The heating temperature control system is externally arranged on a printer mainboard.
As shown in fig. 7, three of the four heating control systems with the same structure are heating control systems for heating the heat-insulating board 5, and one heating control system for the printing platform is mainly formed by sequentially connecting a heating power electrode 32, another thermocouple 33, a temperature controller 34, and a relay 37 in series in a control circuit, and the array type heating element 7 or the printing platform 14 is connected with the output end of the relay 37 in a 220V circuit to form a closed loop.
The heating body (array heating body 7 or printing platform 14) is a cast aluminum heating plate or a cast copper heating plate, the temperature controller is a PID temperature controller, the thermocouple is K-type or S-type, and the relay is a direct current control alternating current relay. The thermocouple, the temperature controller and the relay are sequentially connected in series in the control circuit, and the output ends of the heating element and the relay are connected in the 220V circuit to form a closed loop.
As shown in fig. 6, the bottom of the high temperature forming chamber is further provided with a ventilation duct 42, the air inside the high temperature forming chamber is exhausted through a fan 41 through a closable ventilation opening, and the top of the high temperature forming chamber is further provided with a closable ventilation opening 43.
The folding corrugated glass fiber cloth 18 is arranged at the top of the forming chamber, the folding corrugated glass fiber cloth 18 is connected with the pulley 39 through the connecting sheet 40, and the pulley 39 can slide in the chute 38, so that the folding corrugated glass fiber cloth 18 can slide along the direction of the heatable insulation board 5, and the heat of the forming chamber is prevented from being diffused upwards to cause the temperature of the upper structure to be overhigh. The bottom of the variable-volume high-temperature forming chamber is mainly composed of a heat insulation material 36, the preferable high-temperature resistant material 36 comprises but is not limited to a mullite heat insulation material, the high-temperature resistant material 36 is paved in a mode that the rest parts except the positions where the four guide rails are located are not paved, and the paving height is just level to the bottom of the heatable heat insulation plate so as to prevent heat diffusion.
The array type heating element 7 for heating the heat preservation plate is a cast copper heating element, the heating is uniform, the power density is high, and the environmental temperature can reach 300 ℃. The outer layer of the heating body 7 is a heat preservation and insulation layer 8, and the preferable heat insulation layer is made of a mullite heat insulation material, so that the box body has low heat conductivity and certain strength, and can be effectively preserved. The shell 9 is arranged outside the heat insulation layer.
The printing platform 14 is a cast aluminum heating plate or a cast copper heating plate, the heating is uniform, the heat conductivity coefficient is high, the power density is high, the maximum surface temperature of the cast aluminum heating plate can reach 400 ℃, and the warping problem in the printing process can be effectively solved. The printing platform 14 is connected with a horizontally placed platform 15 through a balance adjusting nut 16, and the platform is controlled to lift by connecting a Z-axis motor screw rod through a vertically placed rod piece 17. The heating temperature control system of the printing platform is externally arranged on the main board of the printer.
Claims (8)
1. A3D printing device with a variable-volume high-temperature forming chamber is characterized by comprising: the system comprises three heating insulation boards with the same structure, a visual window board, four linear guide rail components with the same structure, a feeding mechanism, a spray head component, a printing platform component and four heating control systems with the same structure;
the rotating shafts at the bottoms of the three heating insulation boards and the rotating shaft at the bottom of the visual window board are respectively connected on the sliding blocks of the respective linear guide rail components, the adjacent heating insulation boards pass through the upper and lower pulleys on the side surface or the visual window board passes through the side surface, the lower pulley is connected with the corresponding sliding groove of the side face of the adjacent heating insulation board or the corresponding sliding groove of the side face of the visual window board in sequence, each rotating shaft slides on the sliding block of each linear guide rail component and slides in the sliding groove of the pulley, three faces of the variable high-temperature forming chamber with the heating insulation board and the visual window board are formed, the feeding mechanism and the spray head component are installed on the top face of the variable high-temperature forming chamber, the printing platform component is installed in the variable high-temperature forming chamber with the volume, the three heating insulation boards and the printing platform component are connected with the respective heating control system, and the bottom face of the variable high-temperature forming chamber with the volume and the four linear guide rail components are all placed on.
2. The 3D printing device with the variable-volume high-temperature forming chamber is characterized in that the three heating and heat-insulating plates with the same structure are of three-layer structures, wherein the inner layer is an array type heating body for heating the forming chamber, the outer layer is a shell for fixing the whole forming chamber and the internal heating body, and the middle part is a heat-insulating material layer; the detachable heating insulation board is provided with two sliding chutes at the upper part and a sliding chute at the lower part, a pulley is arranged at the side of the sliding chute below the upper part at one side of the heating insulation board, and another pulley is arranged at the side of the sliding chute at the lower part; the bottom of the heating insulation board is provided with a rotating shaft, and the sliding chutes (38) on the upper parts of one sides of the two opposite heating insulation boards are connected with the folding type corrugated glass fiber cloth through respective pulleys.
3. The 3D printing device with the variable-volume high-temperature forming chamber according to claim 1, wherein the visual window plate is made of double-layer quartz glass, two sliding grooves are formed in the upper portion of the visual window plate, one sliding groove is formed in the lower portion of the visual window plate, a pulley is arranged on the edge of the sliding groove below the upper portion of one side of the visual window plate, another pulley is arranged on the edge of the sliding groove below the upper portion of one side of the visual window plate, and a rotating shaft is arranged at the bottom of the visual window plate.
4. The 3D printing device with the variable-volume high-temperature forming chamber according to claim 1, wherein the four structurally identical linear guide rail assemblies each comprise: the device comprises a motor, a guide rail, a lead screw and a slide block; four sliders link to each other with the pivot of three heating heated board bottoms and the pivot of visual window board bottom respectively, and each heating heated board links to each other through spout and pulley respectively with adjacent heating heated board and visual window board to the formation has square high temperature shaping room, and the pulley slides in the spout, thereby changes the volume of high temperature shaping room, foldable corrugate glass fiber cloth (31) of linear guide subassembly both sides cladding.
5. The 3D printing device with a variable volume high temperature forming chamber of claim 1, wherein the feed mechanism and spray head assembly comprises: the device comprises a connecting plate, a U-shaped plate, a heating block, a thermocouple, a nozzle, a heating rod, a throat pipe, printing wires, a wire feeding roller pair, a radiating fin, a fan and a linear guide rail; the heating block is fixed on the throat pipe through threads, and printing wires are extruded out from the nozzle through the throat pipe through the wire feeding roller pair; the fan is fixed on the connecting plate, and the connecting plate is fixed on the linear guide rail; the heating block is internally provided with a thermocouple and a heating rod.
6. The 3D printing device with a variable volume high temperature forming chamber of claim 1, wherein the printing platform assembly comprises: the printing platform, the flat plate, the leveling nut and the connecting rod piece are connected; the flat plate is arranged below the printing platform and is connected with a plurality of leveling nuts which are uniformly distributed, the flat plate is connected with a Z-axis motor screw rod through a vertically arranged connecting rod piece, the lifting of the platform is controlled, and the heating temperature control system is externally arranged on a main board of the printer.
7. The 3D printing device with the variable-volume high-temperature forming chamber according to claim 1, wherein the four heating control systems with the same structure are mainly composed of a heating power supply electrode, another thermocouple, a temperature controller and a relay which are sequentially connected in series in a control circuit, three heating control systems are heating insulation plates, one heating control system is a printing platform, and the array type heating element or the printing platform and the output end of the relay are respectively connected in a 220V circuit to form a closed loop.
8. The 3D printing device with the variable-volume high-temperature forming chamber is characterized in that a ventilating duct is further arranged at the bottom of the high-temperature forming chamber, air inside the high-temperature forming chamber is exhausted through a fan through a closable ventilating opening, and a closable ventilating opening is further formed in the top of the high-temperature forming chamber.
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| CN201920263000.9U CN209920539U (en) | 2019-03-01 | 2019-03-01 | 3D printing device with variable-volume high-temperature forming chamber |
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| CN201920263000.9U CN209920539U (en) | 2019-03-01 | 2019-03-01 | 3D printing device with variable-volume high-temperature forming chamber |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109866422A (en) * | 2019-03-01 | 2019-06-11 | 浙江大学 | With variable volume high-temperature molding room 3D printing device |
| CN112427658A (en) * | 2020-11-23 | 2021-03-02 | 浙江大学 | Preheating and heat-insulating device for laser additive manufacturing |
-
2019
- 2019-03-01 CN CN201920263000.9U patent/CN209920539U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109866422A (en) * | 2019-03-01 | 2019-06-11 | 浙江大学 | With variable volume high-temperature molding room 3D printing device |
| CN112427658A (en) * | 2020-11-23 | 2021-03-02 | 浙江大学 | Preheating and heat-insulating device for laser additive manufacturing |
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Address after: 310058 Yuhang Tang Road, Xihu District, Hangzhou, Zhejiang 866 Patentee after: ZHEJIANG University Patentee after: Honghe innovation and Technology Research Institute Co.,Ltd. Address before: 310058 Yuhang Tang Road, Xihu District, Hangzhou, Zhejiang 866 Patentee before: ZHEJIANG University Patentee before: HONGHE INNOVATION TECHNOLOGY Research Institute |
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