CN211840140U - Intelligent temperature control substrate for laser 3D printing - Google Patents
Intelligent temperature control substrate for laser 3D printing Download PDFInfo
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- CN211840140U CN211840140U CN202020374674.9U CN202020374674U CN211840140U CN 211840140 U CN211840140 U CN 211840140U CN 202020374674 U CN202020374674 U CN 202020374674U CN 211840140 U CN211840140 U CN 211840140U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses an intelligence control by temperature change base plate for laser 3D prints, including printing base plate, water pump, power and controller, it includes the base plate layer, the control by temperature change layer, control circuit layer and the power circuit layer that range upon range of arranging in proper order to print the base plate, be equipped with temperature sensor and temperature sensing signal interface on the base plate layer, temperature sensor passes through temperature sensing signal interface and links to each other with the controller, be equipped with condenser tube on the control by temperature change layer, heating element and electromagnetism water valve, condenser tube links to each other with the water pump, the electromagnetism water valve links to each other with the controller, be equipped with the control signal interface that switching device and one end and switching device control end link to each other on the control circuit layer, the other end of control signal interface links to each other with the controller, be equipped with. The utility model discloses can solve prior art and print the unable real-time temperature control's that realizes the base plate problem of in-process at metal material laser 3D.
Description
Technical Field
The utility model relates to a metal material laser 3D prints technical field, especially relates to an intelligent temperature control base plate for laser 3D prints.
Background
At present, the laser 3D printing technology is applied to certain fields of industry and medicine such as aerospace, medical instruments, ship manufacturing and the like. The rapid manufacturing of important metal parts can be realized by utilizing three-dimensional scanning and modeling technologies, and the layer-by-layer rapid manufacturing of the structure is realized mostly by adopting a powder-laying laser area selection mode in the manufacturing process. The metal alloy powder needs a laser 3D printing substrate as a carrier and a platform, the metal powder is heated on the substrate by laser, solidified and cooled, a required part blank is obtained, and then the substrate and the part are separated by linear cutting. In the process, when each layer of metal material is solidified, the influence of the substrate can be inevitably generated, so how to design a substrate device capable of realizing intelligent and accurate temperature control is very important for obtaining a good laser 3D metal structure at one time.
Currently, the laser 3D printing industry is still in the early stage of development, and the substrate material and the influence thereof on the laser processing process of the powder material in the metal 3D printing process have been more and more paid attention by the people in the industry. How to optimize the design of the substrate structure through an intelligent temperature control system without damaging the original substrate structure design is an important technical research direction in the future laser 3D printing technology.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide an intelligence temperature control base plate for laser 3D prints to solve prior art and print the problem of the unable real-time temperature control who realizes the base plate of in-process at metal material laser 3D.
In order to solve the technical problem, the utility model discloses a technical scheme is: an intelligent temperature control substrate for laser 3D printing comprises a printing substrate, a water pump, a power supply and a controller, wherein the water pump is connected with the controller, the power supply supplies power for the water pump and the controller, the printing substrate comprises a substrate layer, a temperature control layer, a control circuit layer and a power circuit layer which are sequentially arranged in a stacked manner, the substrate layer is provided with a temperature sensor and a temperature sensing signal interface, the temperature sensor is connected with the controller through the temperature sensing signal interface, the temperature control layer is provided with a cooling water pipe, a heating element and an electromagnetic water valve, the cooling water pipe is connected with the water pump, the electromagnetic water valve is connected with the controller, the control circuit layer is provided with a switch device for controlling the working state of the heating element and a control signal interface with one end connected with the control end of the switch device, the other end of the control signal interface is connected with the controller, the power circuit layer is provided with a, the other end is connected with a power supply.
Furthermore, the cooling water pipes are uniformly distributed in a net shape on the temperature control layer, the heating elements are uniformly distributed in a point shape on the temperature control layer, and the heating elements are enveloped in the net-shaped range of the cooling water pipes.
Furthermore, a heating element groove is formed in the temperature control layer, and the heating element is inserted into the heating element groove.
Furthermore, the temperature control layer, the control circuit layer and the power circuit layer are connected in a pin and slot mode.
Furthermore, a heat insulation layer is laid between the control circuit layer and the temperature control layer.
Further, the switching device is a thyristor, a triode or an MOS tube.
Furthermore, the material of the substrate layer and the 3D printing metal part are the same type of metal material.
The invention has the beneficial effects that: the utility model discloses set up temperature sensor on the base plate, condenser tube and heating element, temperature sensor real-time supervision 3D prints the real-time temperature of in-process base plate, and realize the real-time temperature control to the base plate through condenser tube and heating element, can improve the intelligence control by temperature change problem that present metal material laser 3D printed the base plate, do benefit to the real-time regulation and control of laser 3D printing in-process temperature, reduce the crackle of printing metal parts and sprout, warp, the internal stress, the tissue hardening and do not fuse phenomenons such as, improve the tissue and the mechanical properties of printing the part, improve the quality and the performance that laser 3D printed metal material. The utility model discloses a printing substrate adopts the range upon range of mode of arranging to temperature control layer, control circuit layer, power circuit layer are connected with the mode of contact pin, slot, have can dismantle, removable base plate layer, convenient to use's advantage, can dismantle temperature control device at will according to the difference of printing the metal material, change the base plate layer.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the printing substrate and the heating element according to the present invention;
fig. 3 is an explosion structure diagram of the temperature control layer of the present invention;
fig. 4 is a schematic view of a partial structure of the control circuit layer according to the present invention;
fig. 5 is a schematic view of a partial structure of the power circuit layer of the present invention;
in the figure: 1. printing base plate, 2, water pump, 3, power, 4, controller, 11, base plate layer, 12, temperature control layer, 13, control circuit layer, 14, power circuit layer, 15, condenser tube, 16, electromagnetism water valve, 17, heating element, 18, temperature sensing signal interface, 19, control signal interface, 20, power cord interface, 21, heating element groove, 22, heating element slot, 23, thyristor, 24, control circuit layer contact pin, 25, control circuit layer slot.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, which are described herein for illustrative purposes only and are not intended to be limiting. Furthermore, only the relevant portions of the invention, and not all of the structures, are shown in the drawings.
Example 1
The embodiment discloses an intelligent temperature control base plate for laser 3D prints, as shown in fig. 1, including printing base plate 1, water pump 2, power 3 and controller 4, water pump 2 links to each other with controller 4, can receive controller 4's operating condition control signal, and power 3 is water pump 2, the power supply of controller 1.
As shown in fig. 2, the printing substrate 1 includes a substrate layer 11, a temperature control layer 12, a control circuit layer 13, and a power circuit layer 14, which are sequentially stacked, where the substrate layer 11 is provided with a temperature sensor and a temperature sensing signal interface 18, the temperature sensor is connected to the controller 4 through the temperature sensing signal interface 18, and is used to transmit real-time temperature of the substrate layer to the controller, the temperature control layer 12 is provided with a cooling water pipe 15, a heating element 17, and an electromagnetic water valve 16, the cooling water pipe 15 is connected to the water pump 2, and the electromagnetic water valve 16 is connected to the controller 4, and can receive a control signal of the controller 4. The control circuit layer 19 is provided with a switch device for controlling the working state of the heating element 17 and a control signal interface 19 with one end connected with the control end of the switch device, the other end of the control signal interface 19 is connected with the controller 4, the power circuit layer 14 is provided with a power line interface 20, one end of the power line interface 20 is connected with the power end of the switch device, and the other end is connected with the power supply 3.
In this embodiment, the switching device is a thyristor 23, and in other embodiments, the switching device may also be a triode or an MOS transistor.
As shown in fig. 3, the cooling water pipes 15 are uniformly distributed in a grid shape on the temperature control layer 12, the heating elements 17 are uniformly distributed in a point shape on the temperature control layer 12, and the heating elements 17 are enveloped in the grid of the cooling water pipes 15.
In this embodiment, the temperature control layer 12, the control circuit layer 13, and the power circuit layer 14 are connected by pins and slots. Specifically, as shown in fig. 3, 4, and 5, a heating element groove 21 is formed in the temperature control layer 12, the heating element 17 is inserted into the heating element groove 21, a contact pin is arranged at the lower end of the heating element 17 and inserted into a heating element slot 22 of the control circuit layer 13, a thyristor 23 is arranged inside the control circuit layer 13, a gate thereof is connected to a control signal interface, a cathode thereof is upwardly connected to the heating element contact pin (a part of the heating element is connected together to realize electrical connection) inserted into the heating element slot 22, an anode thereof is downwardly connected to a control circuit layer contact pin 24, and the control circuit layer contact pin 24 is inserted into a control circuit layer slot 25 formed in the power circuit layer 14. The control circuit layer pin 24 inserted in the control circuit layer slot 25 is connected to the power line interface, and in fig. 5, + denotes the positive terminal of the power line interface 20, and-denotes the negative terminal of the power line interface 20.
In this embodiment, a thermal insulation layer is laid between the control circuit layer 13 and the temperature control layer 12 to prevent the control circuit layer from being damaged by high temperature.
In this embodiment, the material of the substrate layer 11 and the 3D printing metal parts are the same type of metal material, and the substrate layer 11 can be replaced when different metal parts are printed.
The utility model discloses the theory of operation: when the laser 3D printing operation is started, a metal layer with a thickness of 3mm is printed on the substrate 1 to make up for the wear margin in the cutting process of the component. Print the part in-process, at first preheat temperature control to metal substrate 1 by controller 4, according to the difference of printing the structure material, carry out metal substrate 1's accurate preheating to avoid metal structure to print defects such as initial stage production crackle and tissue hardening, then through the real-time accurate control temperature of intelligent temperature control system and keep steady. If the temperature is too low, the controller 4 starts a heating program, the heating element 17 conducts heat to the metal substrate layer 11, when the temperature reaches a required level, a temperature sensing signal on the substrate layer 11 is sent back to the controller 4 to close the heating program, and the heating element is closed; if the temperature is too high, the controller 4 starts a cooling program, the water pump 2 conveys cooling water to the cooling water pipe 15 in the temperature control layer 12, the electromagnetic water valve 16 is arranged at the other end of the temperature control layer to control the opening and closing of a water pipe passage, so that heat conducted to the substrate from top to bottom in a layer-by-layer accumulation mode in the 3D metal part printing process is taken away, when the temperature reaches a required level, a metal substrate temperature sensing electric signal is transmitted back in real time, the cooling program is closed by the controller 4, the defects of cracks, deformation, tissue hardening and the like of the printing structure are avoided, and the forming quality of the printing structure. Due to the point distribution of the heating element 17 and the control of the electromagnetic water valve 16 of the cooling water pipe, the accurate intelligent temperature control of the metal material laser 3D printing substrate can be realized.
In this embodiment, the heating program and the cooling program inside the controller are already mature temperature control programs, which belong to the conventional technical means in the field and are not the improvement point of the present invention, and in this embodiment, detailed description is not given.
Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and should not be construed as limiting the scope of the present application. Under the premise of not departing from the application scope of the utility model, the utility model can also have various changes and improvements, which are all covered in the protection scope of the utility model. Accordingly, the scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides an intelligence temperature control base plate for laser 3D prints, is including printing base plate, water pump, power and controller, and the water pump links to each other with the controller, and the power is water pump, controller power supply, its characterized in that: the printing substrate comprises a substrate layer, a temperature control layer, a control circuit layer and a power circuit layer which are sequentially arranged in a stacking mode, a temperature sensor and a temperature sensing signal interface are arranged on the substrate layer, the temperature sensor is connected with a controller through the temperature sensing signal interface, a cooling water pipe is arranged on the temperature control layer, a heating element and an electromagnetic water valve are arranged on the temperature control layer, the cooling water pipe is connected with a water pump, the electromagnetic water valve is connected with the controller, a switch device for controlling the working state of the heating element and a control signal interface with one end connected with a control end of the switch device are arranged on the control circuit layer, the other end of the control signal interface is connected with the controller, a power line interface is arranged on the power circuit layer, one end of the.
2. The intelligent temperature-controlled substrate for laser 3D printing of claim 1, wherein: the cooling water pipes are uniformly distributed in a net shape on the temperature control layer, the heating elements are uniformly distributed in points on the temperature control layer, and the heating elements are enveloped in the net-shaped range of the cooling water pipes.
3. The intelligent temperature-controlled substrate for laser 3D printing according to claim 1 or 2, wherein: the heating element groove is arranged on the temperature control layer, and the heating element is inserted into the heating element groove.
4. The intelligent temperature-controlled substrate for laser 3D printing of claim 1, wherein: the temperature control layer, the control circuit layer and the power circuit layer are connected in a pin and slot mode.
5. The intelligent temperature-controlled substrate for laser 3D printing of claim 1, wherein: and a heat insulation layer is laid between the control circuit layer and the temperature control layer.
6. The intelligent temperature-controlled substrate for laser 3D printing of claim 1, wherein: the switching device is a thyristor, a triode or an MOS tube.
7. The intelligent temperature-controlled substrate for laser 3D printing of claim 1, wherein: the base plate layer material and the 3D printing metal part are the same type of metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202020374674.9U CN211840140U (en) | 2020-03-23 | 2020-03-23 | Intelligent temperature control substrate for laser 3D printing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020374674.9U CN211840140U (en) | 2020-03-23 | 2020-03-23 | Intelligent temperature control substrate for laser 3D printing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373024A (en) * | 2020-12-10 | 2021-02-19 | 陕西钰昆环境艺术工程有限公司 | Environment-friendly 3D printer with quick reloading and quick setting functions |
| CN114193767A (en) * | 2021-12-12 | 2022-03-18 | 华中科技大学鄂州工业技术研究院 | Temperature control hot bed and control method thereof |
| CN115090906A (en) * | 2022-06-10 | 2022-09-23 | 中国人民解放军陆军装甲兵学院 | Real-time temperature regulation and control system and method in additive remanufacturing deposition process |
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2020
- 2020-03-23 CN CN202020374674.9U patent/CN211840140U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373024A (en) * | 2020-12-10 | 2021-02-19 | 陕西钰昆环境艺术工程有限公司 | Environment-friendly 3D printer with quick reloading and quick setting functions |
| CN114193767A (en) * | 2021-12-12 | 2022-03-18 | 华中科技大学鄂州工业技术研究院 | Temperature control hot bed and control method thereof |
| CN115090906A (en) * | 2022-06-10 | 2022-09-23 | 中国人民解放军陆军装甲兵学院 | Real-time temperature regulation and control system and method in additive remanufacturing deposition process |
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