CN208991758U - A kind of resistance hot molten metal silk material 3D printing system - Google Patents
A kind of resistance hot molten metal silk material 3D printing system Download PDFInfo
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- CN208991758U CN208991758U CN201821613542.6U CN201821613542U CN208991758U CN 208991758 U CN208991758 U CN 208991758U CN 201821613542 U CN201821613542 U CN 201821613542U CN 208991758 U CN208991758 U CN 208991758U
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Abstract
The utility model relates to a kind of resistance hot molten metal silk material 3D printing system, solving the problems, such as existing metal parts increasing material manufacturing method there are associativities poor, inside parts, there are stomata and part forming defect are more.The system includes wire-feed motor, ignition tip, substrate and power supply, wire-feed motor, ignition tip and substrate are from top to bottom set gradually, the anode of power supply is connect with ignition tip, and the cathode of power supply is connect with substrate, is characterized in that further include substrate heating component, local heating component and temperature control system；Substrate heating component includes heating device and the first temperature element, and heating device is fixed on substrate, and the first temperature element is installed on substrate；Local heating component includes the second temperature element and heating element, heating element heats region to be printed, second temperature element is used to measure the temperature in region to be printed, and temperature control system is connect with heating device, the first temperature element, the second temperature element and heating element respectively.
Description
Technical field
The utility model relates to metal material increasing fields, and in particular to a kind of resistance hot molten metal silk material 3D printing system
System.
Background technique
Increasing material manufacturing (additive manufacturing, AM) technology is designed according to CAD/CAM, using layer-by-layer accumulation
Method manufacture entity component technology, subtract material manufacture (machining) technology relative to traditional, it is a kind of buildup of material
Manufacturing method.Increases material manufacturing technology is commonly called as 3D printing technique, is nearly 30 years fast-developing advanced manufacturing technologies, it is advantageous that
Three-dimensional structure quick and freely manufacture, be widely used in new product development, single and mini-batch production manufactures, wherein metal directly at
Type is difficult point and hot spot in increases material manufacturing technology.
Traditional directly metal forming technology method there are many at present, but equal existing defects.For example, high energy beam current increasing material manufacturing side
Method has the problems such as high equipment cost, the device is complicated, volume is relatively large, shaping speed is slow under radiation pollution, Same Efficieney；Electricity
Lonely increasing material manufacturing method has the problems such as much noise and arc light pollution, formed precision is also poor.Other metal increasing material manufacturings
Method should such as direct metal ink-jet 3D printing method (research and development that 3D printing newly established enterprise, Israel XJet has completed model machine)
Method is limited to the proportion of specialty metal ink, is applicable in faciostenosis.
Ultra-fine wires increasing material manufacturing method based on resistance heat Deformation In The Fdm Process, be able to achieve high usage, high quality,
Inexpensive, environmentally protective metal parts increasing material manufacturing, be it is a kind of by material, machinery, observation and control technology and information processing collection be one
The metal increasing material manufacturing method of body.But this method apply at present it is less, the reason is that its between layers and layer and substrate it
Between associativity it is poor, there are stomatas for inside parts, the problems such as fusion.In addition, the internal stress of forming part cannot discharge in time,
Be easy to cause part stress concentrate and strain cracking, part forming defect are more.
Utility model content
The purpose of this utility model is to solve existing metal parts increasing material manufacturing method there are associativities that poor, inside parts are deposited
In the problem more than stomata and part forming defect, a kind of resistance hot molten metal silk material 3D printing system is provided.
The technical solution of the utility model is:
A kind of resistance hot molten metal silk material 3D printing system, including wire-feed motor, ignition tip, substrate and power supply, it is described to send
Silk machine, ignition tip and substrate are from top to bottom set gradually, and the anode of the power supply is connect with ignition tip, the cathode of the power supply and
Substrate connection, it is characterised in that: further include substrate heating component, local heating component and temperature control system；The substrate heating group
Part includes heating device and the first temperature element, and the heating device is disposed on the substrate, for heating the substrate；It is described
First temperature element is installed on substrate, for measuring the temperature of substrate；The local heating component includes the second temperature element
And heating element, the heating element is for heating region to be printed, and second temperature element is for measuring area to be printed
The temperature in domain, the temperature control system are connect with heating device, the first temperature element, the second temperature element and heating element respectively.
Further, the heating element is arranged on ignition tip.
Further, the heating element and ignition tip are arranged on mounting rack.
Further, the heating element is fixed by the connecting rod on mounting rack.
Further, the local heating component is contactless local heating component or contact local heating component.
Further, the second temperature element of the contact local heating component is thermal resistance or thermocouple, and setting exists
It is wholely set on ignition tip or with heating element.
Further, the second temperature element of the contactless local heating component is infrared radiation thermometer or refers to temperature
The CCD camera shown.
Further, the heating element is plasma boiler, electro-arc heater, induction heater, electron beam add
Hot device, acetylene torch heater, tungsten electrode chlorine arc heater, laser heater, infrared heater, microwave applicator or dielectric heating
Device.
Further, the temperature control system is intelligent PID temperature control system.
Further, first temperature element is multiple, is uniformly arranged on the bottom surface or side of substrate.
The utility model compared with prior art, has following technical effect that
1. the utility model provides a kind of resistance hot molten metal silk material 3D printing system, region to be printed can be locally realized
The pre-heat treatment, make to print part and realize hot environment, be conducive to combination between layers, between layer and substrate, realize high
The metal 3D of quality shapes.
2. Tthe utility model system can control the tissue of metal increasing material manufacturing process by substrate heating component
And optimization, internal stress is reduced and eliminated, the generation of part defect is reduced, improves the performance of printing part.
Detailed description of the invention
Fig. 1 is resistance hot molten metal silk material 3D printing system knot of the utility model based on contact local heating component
Structure schematic diagram；
Fig. 2 is the structural schematic diagram of the utility model contact local heating component and substrate heating component.
Appended drawing reference: 1- wire-feed motor, 2- ignition tip, 3- substrate, 4- power supply, 5- heating device, the first temperature element of 6-, 7-
Second temperature element, 8- heating element, 9- connecting rod, 10- temperature control system, 11- mounting rack, 12- radiator.
Specific embodiment
It is described in further detail below in conjunction with content of the drawings and specific embodiments to the utility model:
The principle of the increasing material manufacturing of resistance heat Deformation In The Fdm Process is to generate resistance heat after being powered based on wire, is passed through
Resistance heat realizes that wire melting heap covers molding, and wire is sent into ignition tip by automatic wire feeder, and ignition tip connects power supply
Anode, metal substrate connect power cathode, constitute circuit on the top of wire and substrate, pass to the electric current of certain forms, wink
Between molten metal silk end, molten drop is deposited on substrate due to the effect of gravity and surface tension after fusing, with substrate
Mobile and continuous delivering silk material, can form the metal parts of accumulation on substrate, realize metal increasing material manufacturing.
As depicted in figs. 1 and 2, the utility model provides a kind of resistance hot molten metal silk material 3D printing system, existing system
System is mainly made of wire-feed motor 1, ignition tip 2, substrate 3 and power supply 4, and wire-feed motor 1, ignition tip 2 and substrate 3 are from top to bottom successively set
It sets, the anode of power supply 4 is connect with ignition tip 2, and the cathode of power supply 4 is connect with substrate 3, is based on above-mentioned existing system, this is practical new
Type is additionally provided with local heating component, substrate heating component and temperature control system 10.In print procedure, it is contemplated that 3 area of substrate
Larger, heat dissipation is very fast, and in order to save power, printing substrate is heated and stablized to lower temperature, part by substrate heating component
Heating component will be heated rapidly to higher temperature in small area to be printed (temperature range that different materials needs is different)
It realizes good combination between layers, improves the consistency of increasing material manufacturing hardware.After part forming, substrate 3 continues to add
Heat is kept the temperature, and carries out heat treatment process, eliminates inside parts stress, reduces part defect, and control and improvement inside parts are brilliant
Kernel structure, to improve the mechanical property of part.
Substrate heating component includes heating device 5 and the first temperature element 6, and heating device 5 is fixedly installed on the substrate 3,
For being heated to substrate 3；First temperature element 6 is installed on the substrate 3, for measuring the temperature of substrate 3.Substrate heating group
Part heats printing substrate 3, and heating temperature is set according to the difference of different metal material heat treatment process, and heating device 5 can
It is wholely set with substrate, heating device 5 can be heater circuit and other heating devices, and such as resistive heater is specific such as ferrum-chromium-aluminum
Resistance wire etc., as long as can be realized heating function.First temperature element 6 can be to be multiple, such as thermal resistance, thermocouple etc.,
The even bottom surface or side for being mounted on substrate 3, for measuring the temperature of substrate 3.Furthermore the lower end of substrate can be provided with radiator
12。
Local heating component includes the second temperature element 7 and heating element 8, as shown in Figure 1, the setting of heating element 8 is being led
On sparking plug 2, region to be printed is heated.Second temperature element 7 is used to measure the temperature in region to be printed, and also the same setting is being led
On sparking plug 2.As shown in Fig. 2, in other embodiments, heating element 8 can be fixed on mounting rack 11 by connecting rod 9, i.e., plus
Thermal element 8 is mounted on one end of connecting rod 9, and close to the wire heat fusing end of ignition tip 2, the other end installation of connecting rod 9
On mounting rack 11, heating element 8 is connected to heating power supply by conducting wire.Second temperature element 7 can integrally be set with heating element
It sets.Temperature control system 10 is connect with heating device 5, the first temperature element 6, the second temperature element 7 and heating element 8 respectively.
Local heating component can be contactless local heating component, by contactless temperature-measuring element, 8 structure of heating element
At.Contactless temperature-measuring element is preferably infrared radiation thermometer, is also possible to the CCD camera indicated with temperature；Heating element 8 refers to
Sedimentary can be heated to the element of required temperature, including but not limited to plasma boiler, electro-arc heater, induction adds
Hot device, electron-beam heater, acetylene torch heater, tungsten electrode chlorine arc heater, laser heater, infrared heater, microwave add
One of hot device, dielectric heater；Temperature control system 10 is generally intelligent PID temperature control system, is also not excluded for other temperature control systems.
Local heating component can also be contact local heating component, be made of contact temperature-measuring element, heating element 80.
Contact temperature-measuring element can choose thermal resistance according to different temperature-measuring ranges, and the temperature-sensitive elements such as thermocouple may be provided at conduction
On mouth 2；Heating element 8 can choose various types of heaters, preferably heating element, and reliable performance economy can preferred stick
Body；For contact local heating component advantage accurate with thermometric and temperature control, price is low, small in size, economical and practical, and disadvantage is because connect
Touching needs to overcome frictional force when mobile, and movement velocity is limited, and system flatness requirement is higher.
A kind of resistance hot molten metal silk material 3D printing system work step of the utility model is as follows:
1) before printing starts, first by basal plate preheating to certain temperature, then start local heating component；
2) print area is treated by local heating component and quickly heats up to preference temperature, after local preheating to high temperature, gold
Belong to silk material by the way that after efficient resistance heat fusing, molten drop deposits to rapidly high-temperature substrates, realizes the good of substrate and first layer
Good metallurgical bonding, subsequent further solidification-stack, realizes good combination between layers, successively accumulates, part stack shaping；
3) heating element is treated thermal treatment zone and is heated in print procedure, meanwhile, temperature element is to be heated
The temperature in region carries out detection and temperature signal is passed to temperature control system, the temperature in temperature control system region more to be heated with
The size of default heat treatment temperature value, when temperature control system judges that the temperature in region to be heated reaches default heat treatment temperature,
Temperature control system control heating element adjusts heating power in real time, and the temperature in region to be heated is maintained at default heat treatment temperature
Under the conditions of；When heat treatment time reaches process requirements, temperature control system control heating element stops working, and completes heat treatment, or
It controls heating element and adjusts heating power, carry out the heat treatment of next stage.
4) after printing is formed, according to a variety of materials heat treatment requirements, continue a period of time isothermal holding, eliminate internal stress,
Printing terminates, and takes out workpiece.
Claims (10)
1. a kind of resistance hot molten metal silk material 3D printing system, including wire-feed motor (1), ignition tip (2), substrate (3) and power supply
(4), the wire-feed motor (1), ignition tip (2) and substrate (3) are from top to bottom set gradually, anode and the conduction of the power supply (4)
Mouth (2) connection, the cathode of the power supply (4) are connect with substrate (3), it is characterised in that: are further included substrate heating component, locally added
Hot component and temperature control system (10)；
The substrate heating component includes heating device (5) and the first temperature element (6), and the heating device (5) is arranged in base
On plate (3), for being heated to substrate (3)；First temperature element (6) is mounted on substrate (3), for measuring substrate
(3) temperature；
The local heating component includes the second temperature element (7) and heating element (8), and the heating element (8) is used for will be to
Print area heating, second temperature element (7) are used to measure the temperature in region to be printed, and the temperature control system (10) is respectively
It is connect with heating device (5), the first temperature element (6), the second temperature element (7) and heating element (8).
2. resistance hot molten metal silk material 3D printing system according to claim 1, it is characterised in that: the heating element
(8) it is arranged on ignition tip (2).
3. resistance hot molten metal silk material 3D printing system according to claim 1, it is characterised in that: the heating element
(8) it is arranged on mounting rack (11) with ignition tip (2).
4. resistance hot molten metal silk material 3D printing system according to claim 3, it is characterised in that: the heating element
(8) it is fixed on mounting rack (11) by connecting rod (9).
5. resistance hot molten metal silk material 3D printing system according to any one of claims 1 to 4, it is characterised in that: described
Local heating component is contactless local heating component or contact local heating component.
6. resistance hot molten metal silk material 3D printing system according to claim 5, it is characterised in that: the contact office
The second temperature element (7) of portion's heating component be thermal resistance or thermocouple, be arranged on ignition tip (2) or with heating element (8)
It is wholely set.
7. resistance hot molten metal silk material 3D printing system according to claim 5, it is characterised in that: described contactless
Second temperature element of local heating component is infrared radiation thermometer or the CCD camera with temperature instruction.
8. resistance hot molten metal silk material 3D printing system according to claim 7, it is characterised in that: the heating element
It (8) is plasma boiler, electro-arc heater, induction heater, electron-beam heater, acetylene torch heater, tungsten electrode chlorine
Arc heater, laser heater, infrared heater, microwave applicator or dielectric heater.
9. resistance hot molten metal silk material 3D printing system according to claim 8, it is characterised in that: the temperature control system
It (10) is intelligent PID temperature control system.
10. resistance hot molten metal silk material 3D printing system according to claim 9, it is characterised in that: described first surveys
Warm element (6) be it is multiple, be uniformly arranged on the bottom surface or side of substrate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821613542.6U CN208991758U (en) | 2018-09-30 | 2018-09-30 | A kind of resistance hot molten metal silk material 3D printing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821613542.6U CN208991758U (en) | 2018-09-30 | 2018-09-30 | A kind of resistance hot molten metal silk material 3D printing system |
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| Publication Number | Publication Date |
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| CN208991758U true CN208991758U (en) | 2019-06-18 |
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| CN201821613542.6U Active CN208991758U (en) | 2018-09-30 | 2018-09-30 | A kind of resistance hot molten metal silk material 3D printing system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340352A (en) * | 2019-07-02 | 2019-10-18 | 宁波哈勒姆电子科技有限公司 | A kind of quick increasing material manufacturing equipment of metal wire material and its manufacturing method |
| CN111730172A (en) * | 2020-06-19 | 2020-10-02 | 南京理工大学 | Substrate-wire material cooperative preheating device and method for electric arc additive manufacturing |
| CN112548581A (en) * | 2020-11-26 | 2021-03-26 | 西安交通大学 | Substrate-formed part preheating device and method of material increase and decrease manufacturing equipment |
| CN113828798A (en) * | 2021-09-23 | 2021-12-24 | 西安交通大学 | Local heat treatment method and system for electric arc additive manufacturing structural part |
-
2018
- 2018-09-30 CN CN201821613542.6U patent/CN208991758U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340352A (en) * | 2019-07-02 | 2019-10-18 | 宁波哈勒姆电子科技有限公司 | A kind of quick increasing material manufacturing equipment of metal wire material and its manufacturing method |
| CN111730172A (en) * | 2020-06-19 | 2020-10-02 | 南京理工大学 | Substrate-wire material cooperative preheating device and method for electric arc additive manufacturing |
| CN112548581A (en) * | 2020-11-26 | 2021-03-26 | 西安交通大学 | Substrate-formed part preheating device and method of material increase and decrease manufacturing equipment |
| CN113828798A (en) * | 2021-09-23 | 2021-12-24 | 西安交通大学 | Local heat treatment method and system for electric arc additive manufacturing structural part |
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