A kind of based on Internet of Things for industrial 3D printing device
Technical field
The present invention relates to a kind of based on Internet of Things for industrial 3D printing device。
Background technology
3D prints, i.e. the one of rapid shaping technique, and it is a kind of based on mathematical model file, use powdery metal or plastics etc. can jointing material, carried out the technology of constructed object by the mode successively printed。3D prints and is typically with what digital technology file printing machine realized。The field such as Making mold, industrial design of being everlasting is used to modeling, after be gradually available for the direct manufacture of some products, had the parts using this technology to print。
In existing 3D printing device, along with people are for printing improving constantly of requirement, and in current print procedure, the precision of shower nozzle displacement is inadequate, often the last effect printed of impact, thus the requirement of people cannot be met, reduces practicality and the reliability of equipment;Moreover, in long-term print procedure, owing to the temperature control requirement for material is significantly high, so needing the temperature in shower nozzle is carried out monitor in real time, and the temperature-control circuit structure complexity in current 3D printing device, technique is too much, thus substantially increasing the cost of equipment, reduce its practical value, limit its market popularization value。
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome prior art displacement control accuracy difference and structure is complicated, cost is too high deficiency, it is provided that a kind of based on Internet of Things for industrial 3D printing device。
The technical solution adopted for the present invention to solve the technical problems is: a kind of based on Internet of Things for industrial 3D printing device, including base, the workbench being arranged on base, the fixed mechanism being arranged on base and nozzle, described fixed mechanism is provided with displacement governor motion, and described nozzle is arranged on displacement governor motion and is in transmission connection by displacement governor motion and fixed mechanism;
Described fixed mechanism includes two pillars being vertically arranged, and the top of described pillar is provided with crossbeam, and described displacement governor motion is arranged on pillar;
Described displacement governor motion includes the first displacement adjusting part and second moves adjusting part, described nozzle is arranged on second and moves on adjusting part, described first displacement adjusting part includes two guiding cable wires and two driving mechanisms being positioned at workbench both sides, described driving mechanism includes drive motor and reductor, described drive motor is connected with guiding rope drive by reductor, described second moves adjusting part and is arranged on guiding cable wire, described second moves adjusting part and includes gripper shoe, it is positioned at the motor that walks of gripper shoe side, walk decelerator and the roller that walks, it is positioned at driving gear and the driven gear of gripper shoe opposite side, the described motor that walks is in transmission connection with driving gear by the decelerator that walks, described driving gear engages with driven gear, described driven gear is connected with the roller that walks, the described roller that walks leads between cable wire at two;
It is provided with central control unit in described base, described central control unit includes wireless communication module and temperature detecting module, described temperature detecting module is arranged in nozzle, described temperature control modules includes temperature-control circuit, described temperature-control circuit includes the first transformator, second transformator, first diode, second diode, 3rd diode, Zener diode, first audion, second audion, field effect transistor, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, electric capacity, adjustable resistance, IGCT, heater strip and critesistor, the secondary side of described first transformator and the first diode connect and in parallel with Zener diode, the described negative electrode of the first diode is connected with the anode of Zener diode, the series circuit of described adjustable resistance and critesistor composition is in parallel with Zener diode, the base stage of described first audion is connected with adjustable resistance and critesistor respectively, the base stage of described second audion is connected with the 4th resistance and the 5th resistance respectively, the emitter stage of described first audion and the emitter stage of the second audion are each through the 3rd resistance eutral grounding, the colelctor electrode of described first audion is connected with the negative electrode of Zener diode by the first resistance, the colelctor electrode of described second audion is connected with the negative electrode of Zener diode by the second resistance, the colelctor electrode of described first audion and the negative electrode of the second diode connect, the anode of described second diode passes through capacity earth, the anode of described second diode is connected with the negative electrode of Zener diode by the 6th resistance, the described anode of the second diode is connected with the grid of field effect transistor, the source electrode of described field effect transistor is connected with the negative electrode of Zener diode by the 7th resistance, the drain electrode of the described field effect transistor primary side ground connection by the second transformator, the secondary side of described second transformator is connected with the triggering end of IGCT by the 3rd diode, described IGCT is connected with heater strip。
As preferably, described first audion and the second audion are NPN audion。
As preferably, described field effect transistor is n-channel field effect transistor。
As preferably, in order to improve the reliability of temperature sensing circuit, the rated voltage of described IGCT is 400V, and the rated current of described IGCT is 5A。
As preferably, easy disassembly and regulate spacing, it is adaptable to the part of different sizes prints, and described pillar and crossbeam are connected to metallic sheath。
As preferably, in order to prevent workbench from contacting with base when dropping to extreme position, the bottom of described workbench is provided with some cylinders arranged straight up, and described cylinder is connected with table drive, and the ultimate range that the gas bar of described cylinder stretches is less than the spacing between workbench and base。
As preferably, by the movement of guide post fixed guide ring, improve the accuracy that nozzle moves, the both sides of described nozzle are provided with guide ring, and described pillar is provided with guide post, and described guide ring is sheathed on the guide bar。
As preferably, utilizing servomotor to have the advantages that control accuracy is high, improve the reliability of equipment, described drive motor and the motor that walks and be servomotor。
The invention has the beneficial effects as follows, should based on Internet of Things for industrial 3D printing device in temperature-control circuit, by conventional components and parts, the temperature of shower nozzle is carried out monitor in real time, it is ensured that while reliability, also reduce production cost, improve the practical value of this equipment;Moreover, by drive motor and reductor, guiding cable wire is controlled, the roller that then walks will roll, achieve the coarse adjustment of shower nozzle, the motor that simultaneously walks controls the rotation of driving gear by the decelerator that walks, in the rotation driving driven gear, it is achieved that the rolling of the roller that walks, further increase the accuracy of shower nozzle displacement, it is achieved thereby that the accuracy that equipment prints。
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described。
Fig. 1 is the structural representation for industrial 3D printing device based on Internet of Things of the present invention;
Fig. 2 is the structural representation of the second shifting adjusting part for industrial 3D printing device based on Internet of Things of the present invention;
Fig. 3 is the circuit theory diagrams of the temperature-control circuit for industrial 3D printing device based on Internet of Things of the present invention;
In figure: 1. pillar, 2. crossbeam, 3. metallic sheath, 4. second moves adjusting part, 5. guiding cable wire, 6. guide post, 7. nozzle, 8. guide ring, 9. workbench, 10. cylinder, 11. base, 12. driving mechanism, 13. drive motor, 14. reductor, the motor 15. walk, the decelerator 16. walk, 17. gripper shoe, 18. driving gear, 19. driven gear, the roller 20. walk, T1. the first transformator, T2. the second transformator, D1. the first diode, D2. the second diode, D3. the 3rd diode, D4. Zener diode, Q1. the first audion, Q2. the second audion, Q3. field effect transistor, R1. the first resistance, R2. the second resistance, R3. the 3rd resistance, R4. the 4th resistance, R5. the 5th resistance, R6. the 6th resistance, R7. the 7th resistance, C1. electric capacity, Rp1. adjustable resistance, N1. IGCT, RL. heater strip, Rt. critesistor。
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation。These accompanying drawings are the schematic diagram of simplification, and the basic structure of the present invention is only described in a schematic way, and therefore it only shows the composition relevant with the present invention。
As shown in Figure 1-Figure 3, a kind of based on Internet of Things for industrial 3D printing device, including base 11, workbench 9 on the pedestal 11 is set, fixed mechanism on the pedestal 11 and nozzle 7 are set, described fixed mechanism is provided with displacement governor motion, and described nozzle 7 is arranged on displacement governor motion and is in transmission connection by displacement governor motion and fixed mechanism;
Described fixed mechanism includes two pillars being vertically arranged 1, and the top of described pillar 1 is provided with crossbeam 2, and described displacement governor motion is arranged on pillar 1;
Described displacement governor motion includes the first displacement adjusting part and second moves adjusting part 4, described nozzle 7 is arranged on second and moves on adjusting part 4, described first displacement adjusting part includes two guiding cable wires 5 and two driving mechanisms 12 being positioned at workbench 9 both sides, described driving mechanism 12 includes drive motor 13 and reductor 14, described drive motor 13 is in transmission connection with guiding cable wire 5 by reductor 14, described second moves adjusting part 4 and is arranged on guiding cable wire 5, described second moves adjusting part 4 and includes gripper shoe 17, it is positioned at the motor 15 that walks of gripper shoe 17 side, walk decelerator 16 and the roller 20 that walks, it is positioned at driving gear 18 and the driven gear 19 of gripper shoe 17 opposite side, the described motor 15 that walks is in transmission connection with driving gear 18 by the decelerator 16 that walks, described driving gear 18 engages with driven gear 19, described driven gear 19 is connected with the roller 20 that walks, the described roller 20 that walks leads between cable wire 5 at two;
It is provided with central control unit in described base 11, described central control unit includes wireless communication module and temperature detecting module, described temperature detecting module is arranged in nozzle 7, described temperature control modules includes temperature-control circuit, described temperature-control circuit includes the first transformator T1, second transformator T2, first diode D1, second diode D2, 3rd diode D3, Zener diode D4, first audion Q1, second audion Q2, field effect transistor Q3, first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, 7th resistance R7, electric capacity C1, adjustable resistance Rp1, IGCT N1, heater strip RL and critesistor Rt, the secondary side of described first transformator T1 and the first diode D1 connect and in parallel with Zener diode D4, the described negative electrode of the first diode D1 is connected with the anode of Zener diode D4, the series circuit of described adjustable resistance Rp1 and critesistor Rt composition is in parallel with Zener diode D4, the base stage of described first audion Q1 is connected with adjustable resistance Rp1 and critesistor Rt respectively, the base stage of described second audion Q2 is connected with the 4th resistance R4 and the 5th resistance R5 respectively, the emitter stage of described first audion Q1 and the emitter stage of the second audion Q2 are each through the 3rd resistance R3 ground connection, the colelctor electrode of described first audion Q1 is connected by the negative electrode of the first resistance R1 and Zener diode D4, the colelctor electrode of described second audion Q2 is connected by the negative electrode of the second resistance R2 and Zener diode D4, the colelctor electrode of described first audion Q1 and the negative electrode of the second diode D2 connect, the anode of described second diode D2 passes through electric capacity C1 ground connection, the anode of described second diode D2 is connected by the negative electrode of the 6th resistance R6 and Zener diode D4, the anode of described second diode D2 is connected with the grid of field effect transistor Q3, the source electrode of described field effect transistor Q3 is connected by the negative electrode of the 7th resistance R7 and Zener diode D4, the drain electrode of the described field effect transistor Q3 primary side ground connection by the second transformator T2, the secondary side of described second transformator T2 is connected by the triggering end of the 3rd diode D3 and IGCT N1, described IGCT N1 is connected with heater strip RL。
As preferably, described first audion Q1 and the second audion Q2 is NPN audion。
As preferably, described field effect transistor Q3 is n-channel field effect transistor。
As preferably, in order to improve the reliability of temperature sensing circuit, the rated voltage of described IGCT N1 is 400V, and the rated current of described IGCT N1 is 5A。
As preferably, easy disassembly and regulate spacing, it is adaptable to the part of different sizes prints, and described pillar 1 is connected to metallic sheath 3 with crossbeam 2。
As preferably, in order to prevent workbench 9 from contacting with base 11 when dropping to extreme position, the bottom of described workbench 9 is provided with some cylinders 10 arranged straight up, described cylinder 10 is in transmission connection with workbench 9, and the ultimate range that the gas bar of described cylinder 10 stretches is less than the spacing between workbench 9 and base 11。
As preferably, by the movement of guide post 6 fixed guide ring 8, improve the accuracy that nozzle 7 moves, the both sides of described nozzle 7 are provided with guide ring 8, and described pillar 1 is provided with guide post 6, and described guide ring 8 is set on guide post 6。
As preferably, utilizing servomotor to have the advantages that control accuracy is high, improve the reliability of equipment, described drive motor 12 and the motor 15 that walks are servomotor。
Should based on Internet of Things in industrial 3D printing device, first pass through the first displacement adjusting part and carry out displacement coarse adjustment, move adjusting part 4 by second subsequently and carry out displacement accurate adjustment, it is achieved thereby that the precise displacement of shower nozzle 7 regulates, improve the reliability of printing。Wherein, by drive motor 13 and reductor 14, guiding cable wire 5 is controlled, then the roller 20 that walks will roll, and drives the movement of nozzle 7;Controlled the rotation of driving gear 18 subsequently by the decelerator 16 that walks by the motor 15 that walks, in the rotation driving driven gear 19, it is achieved thereby that the rolling of the roller 20 that walks, thus further increasing the accuracy of shower nozzle 7 displacement。It is capable of user's monitor in real time to equipment, thus improve the intellectuality of equipment by wireless communication module。
In this temperature-control circuit, critesistor Rt is adopted to carry out the heater strip RL of A.T.C as temperature element, thus while ensure that performance, reducing production cost。Temperature control scope is by the thermometric peak of room temperature to critesistor, and certainty of measurement is up to 0.1 DEG C。The critesistor Rt of thermometric is positive temperature coefficient, it is connected in the differential amplifier circuit of the first audion Q1 and the second audion Q2 composition as biasing resistor, when the temperature is changed, the resistance of critesistor Rt changes, the collector current causing the first audion Q1 changes, and through the second diode D2 change causing electric capacity C1 charging current, changes charging rate, so that the output pulses generation phase shift of field effect transistor Q3, change the angle of flow of IGCT N1。Thus regulate and heater strip RL adds thermocurrent, reach the purpose of Automatic Detection and Control temperature。Wherein, by conventional components and parts, it is ensured that the while of temperature controlled, also reduce production cost, improve the practical value of this equipment。
Compared with prior art, should based on Internet of Things for industrial 3D printing device in temperature-control circuit, by conventional components and parts, the temperature of shower nozzle 7 is carried out monitor in real time, it is ensured that while reliability, also reduce production cost, improve the practical value of this equipment;Moreover, by drive motor 13 and reductor 14, guiding cable wire 5 is controlled, the roller 20 that then walks will roll, achieve the coarse adjustment of shower nozzle 7, the motor 15 that simultaneously walks controls the rotation of driving gear 18 by the decelerator 16 that walks, in the rotation driving driven gear 19, it is achieved that the rolling of the roller 20 that walks, further increase the accuracy of shower nozzle 7 displacement, it is achieved thereby that the accuracy that equipment prints。
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not necessarily departing from this invention technological thought, can carry out various change and amendment completely。The technical scope of this invention is not limited to the content in description, it is necessary to determine its technical scope according to right。