A 3D printing device with adjustable magnetic force

Abstract

The present invention belongs to the field of 3D printing technology and discloses a 3D printing device with adjustable magnetic force, comprising: a weighing component arranged in an experimental box for weighing concrete printed during the experimental process; an electromagnetic adjustment component, comprising a hollow electromagnetic winding arranged in the experimental box, the electromagnetic winding being arranged corresponding to the weighing component, and a bearing plate on the weighing component for bearing concrete extending into the electromagnetic winding; an adjustment module movably connected to the electromagnetic winding for adjusting the magnetic force of the electromagnetic winding; and a control component arranged in the experimental box, the control component being electrically connected to the weighing component, the electromagnetic winding, and the adjustment module. The present invention is easy to use, and uses electromagnetic force to simulate a microgravity environment by offsetting gravity, and adjusts the magnitude of the electromagnetic force by adjusting the number of coil turns connected to the electromagnetic winding, simulating microgravity environments in different states, thereby increasing the scope of application of the experiment and facilitating 3D printing of concrete in a microgravity environment.

Description

Technical Field

[0001] The present invention belongs to the technical field of 3D printing, and in particular relates to a 3D printing device with adjustable magnetic force. Background Art

[0002] With the development of aviation and aerospace technology, humans are spending more and more time in space. The microgravity and radiation environment in space are of irreplaceable importance for verifying spacecraft design, material properties, life support systems, and scientific experiments, making it a crucial emerging experimental environment. While the unique geographical environment of space is important, the harsh space environment can be extremely damaging to experimental equipment and personnel. Furthermore, space travel is difficult and costly, and it is inconvenient to carry large amounts of experimental equipment and consumables into space. Therefore, most experiments are currently conducted through ground-based simulations.

[0003] Existing ground-based simulation experiments use the centrifugal force generated by irregular rotation to offset gravity, creating a microgravity environment to simulate the space environment. However, the equipment for this solution is complex and difficult to use. In addition, during the concrete 3D printing simulation process, the irregular rotation of the simulation equipment will cause the 3D printed concrete to be thrown away and scattered, resulting in insufficient stability, making the experiment impossible. Existing electromagnetic simulation devices lack adjustment flexibility and are inconvenient to change, making it difficult to simulate different environments.

[0004] Therefore, the present application designs a 3D printing device with adjustable magnetic force to solve the above technical problems. Summary of the Invention

[0005] To solve the above technical problems, the present invention proposes a 3D printing device with adjustable magnetic force, which is used to realize microgravity experiments on the ground by simulating the gravitational acceleration on different planets.

[0006] To achieve the above objectives, the present invention provides a 3D printing device with adjustable magnetic force, comprising:

[0007] Experimental box, used to fix the equipment and provide protection for the equipment;

[0008] A weighing assembly is provided at the bottom of one side of the experimental box, and is used to weigh the 3D printed concrete during the experiment and obtain experimental parameters;

[0009] An electromagnetic adjustment assembly includes a hollow electromagnetic winding disposed within the experimental box, the electromagnetic winding being disposed corresponding to the weighing assembly, a bearing plate on the weighing assembly for bearing concrete extending into the electromagnetic winding; the electromagnetic winding is movably connected to an adjustment module for adjusting the magnetic force of the electromagnetic winding;

[0010] A control component is provided in the experimental box, and the control component is electrically connected to the weighing component, the electromagnetic winding and the regulating module respectively.

[0011] Preferably, the electromagnetic winding includes a fixed tube suspended above the weighing component, the outer wall of the fixed tube is wrapped with an electromagnetic coil, the bottom end of the electromagnetic coil is electrically connected to the control component, and the control component is movably connected to the outer wall of the electromagnetic coil through the adjustment module.

[0012] Preferably, the adjustment module includes a conductive rod electrically connected to the control component, the end of the conductive rod is in sliding contact with the outer wall of the electromagnetic coil and is electrically connected; the conductive rod is arranged to be movable in a lifting manner within the experimental box.

[0013] Preferably, the adjustment module further comprises a lifting block slidably arranged on the inner wall of the experimental box, and the lifting block is electrically connected to the control component; the conductive rod is mounted on the lifting block and moves up and down driven by the lifting block.

[0014] Preferably, a lifting motor is embedded in the lifting block, the lifting motor is transmission-connected to a lifting gear rotatably connected to the lifting block, and the lifting gear is meshed-connected to a lifting rack longitudinally arranged in the experimental box.

[0015] Preferably, a longitudinal exposed groove is provided on the insulating layer of the outer wall of the electromagnetic coil, the exposed groove is adapted to the movement trajectory of the conductive rod, and the conductive rod and the metal inner core of the electromagnetic coil are energized in sequence through the exposed groove.

[0016] Preferably, the inner wall of the experimental box is provided with a longitudinal guide bar, the lifting block is provided with a guide groove adapted to the guide bar, and the lifting block is limited by the guide groove and the guide bar.

[0017] Preferably, a locking bolt is provided on the lifting block, and the locking bolt extends into the guide groove and is detachably provided with the guide bar.

[0018] Preferably, a shielding cover is provided in the experimental box, and the shielding cover is sleeved outside the electromagnetic coil to shield the magnetic field of the electromagnetic coil.

[0019] Preferably, two ends of the fixing tube extend out of two ends of the shielding cover respectively, and the two ends of the fixing tube are detachably connected to the inner wall of the experimental box through connecting rods.

[0020] Compared with the prior art, the present invention has the following advantages and technical effects: the present invention discloses a 3D printing device with adjustable magnetic force, which is placed in an experimental box, reducing the influence of the external environment on the experimental process, and the weighing component is arranged in the experimental box. When conducting an experiment, concrete is printed and formed on a carrying plate by a printing module, and the weighing component weighs the printed concrete and transmits the weighed data to the control component, so as to facilitate the acquisition of experimental data; the carrying plate extends into the electromagnetic winding, and the electromagnetic force of the electromagnetic winding offsets the gravity, so that the concrete is in a simulated microgravity environment, and the experiment simulating the space environment is carried out; and the adjustment module adjusts the connection relationship with the electromagnetic winding under the control of the control component, and adjusts the magnetic properties of the electromagnetic winding by adjusting the number of turns of the electromagnetic winding to simulate different microgravity environments; the control module is used to input a control signal to the adjustment module, and is also used to receive the weight data measured by the weighing component, and process the data to form the required experimental data.

[0021] The present invention is easy to use, and uses electromagnetic force to simulate a microgravity environment by offsetting gravity. The magnitude of the electromagnetic force is adjusted by the number of coil turns connected to the electromagnetic winding, thereby simulating microgravity environments in different states, thereby increasing the scope of application of the experiment and facilitating 3D printing of concrete in a microgravity environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings, which constitute part of this application, are intended to provide a further understanding of this application. The exemplary embodiments and descriptions of this application are intended to explain this application and do not constitute an improper limitation on this application. In the accompanying drawings:

[0023] Figure 1 This is a schematic diagram of the 3D printing device with adjustable magnetic force according to the present invention;

[0024] Figure 2 Schematic diagram of the electromagnetic winding of the present invention;

[0025] Figure 3 This is a schematic diagram of the adjustment module of the present invention;

[0026] Figure 4 This is a schematic diagram of the top view of the lifting block of the present invention;

[0027] In the figure: 1. Experimental box; 2. Weighing assembly; 3. Electromagnetic winding; 4. Adjustment module; 5. Control assembly; 6. Printing module; 7. Fixing tube; 8. Electromagnetic coil; 9. Conductive rod; 10. Connecting wire; 11. Lifting block; 12. Lifting motor; 13. Lifting rack; 14. Lifting gear; 15. Exposed groove; 16. Guide bar; 17. Guide groove; 18. Locking bolt; 19. Shielding cover; 20. Connecting rod; 21. Carrying plate. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] Reference Figures 1-4 As shown, this embodiment provides a 3D printing device with adjustable magnetic force, comprising:

[0031] Experimental box 1, used to fix the equipment and provide protection for the equipment;

[0032] The weighing component 2 is provided at the bottom of one side of the experimental box 1 and is used to weigh the 3D printed concrete during the experiment and obtain the experimental parameters;

[0033] The electromagnetic adjustment assembly includes a hollow electromagnetic winding 3 provided in the experimental box 1. The electromagnetic winding 3 is provided corresponding to the weighing assembly 2. The bearing plate 21 on the weighing assembly 2 for bearing concrete extends into the electromagnetic winding 3. The electromagnetic winding 3 is movably connected to the adjustment module 4 for adjusting the magnetic force of the electromagnetic winding 3.

[0034] The control component 5 is arranged in the experimental box 1 and is electrically connected to the weighing component 2, the electromagnetic winding 3 and the adjustment module 4 respectively.

[0035] The present invention discloses a 3D printing device with adjustable magnetic force. The device is placed in an experimental box 1, reducing the influence of the external environment on the experimental process. The weighing component 2 is arranged in the experimental box 1. When conducting an experiment, concrete is printed and formed on a carrying plate through a printing module 6. The weighing component 2 weighs the printed concrete and transmits the weighed data to the control component 5, which facilitates the acquisition of experimental data; the carrying plate extends into the electromagnetic winding 3, and the electromagnetic force of the electromagnetic winding 3 offsets the gravity, so that the concrete is in a simulated microgravity environment, and the experiment simulating the space environment is carried out; and the adjustment module 4 adjusts the connection relationship with the electromagnetic winding 3 under the control of the control component 5, and adjusts the magnetism of the electromagnetic winding 3 by adjusting the number of turns of the electromagnetic winding 3 to simulate different microgravity environments; the control module is used to input a control signal to the adjustment module 4, and is also used to receive the weight data measured by the weighing component 2, and process the data to form the required experimental data. The present invention is easy to use, and uses electromagnetic force to simulate a microgravity environment by offsetting gravity. The magnitude of the electromagnetic force is adjusted by adjusting the number of coil turns connected to the electromagnetic winding 3, thereby simulating microgravity environments in different states, thereby increasing the scope of application of the experiment and facilitating 3D printing of concrete in a microgravity environment.

[0036] Furthermore, the carrier plate 21 is made of non-magnetic material and is not affected by electromagnetic force. The zero point of the weighing component 2 can be adjusted during use, making it convenient to use.

[0037] Furthermore, the carrier plate 21 is freely placed on the weighing assembly 2 to avoid mutual influence with the weighing assembly 2 .

[0038] In a further optimized solution, the electromagnetic winding 3 includes a fixed tube 7 suspended above the weighing assembly 2. The outer wall of the fixed tube 7 is wound with an electromagnetic coil 8. The bottom end of the electromagnetic coil 8 is electrically connected to the control assembly 5, and the control assembly 5 is movably connected to the outer wall of the electromagnetic coil 8 via the adjustment module 4. A wire is wound around the outer wall of the fixed tube 7 to form a spring-shaped electromagnetic coil 8, which is attached to the outside of the fixed tube 7. The bottom end of the electromagnetic coil 8 is electrically connected to the control assembly 5 via a connecting wire 10, and the adjustment module 4 is movably connected to the outer wall of the electromagnetic coil 8. The connection position can be adjusted longitudinally, thereby controlling the number of turns of the electromagnetic coil 8 energized and the magnitude of the magnetic force generated.

[0039] Furthermore, the microgravity generated in this embodiment is the difference between the normal gravity on the concrete and the electromagnetic force on the concrete.

[0040] Furthermore, the current direction of this embodiment is compatible with the coil direction, ensuring that the generated electromagnetic force is upward.

[0041] Furthermore, the concrete of this embodiment is doped with magnetic materials that do not affect the properties, so that the concrete is subjected to an upward force under the action of the upward electromagnetic force.

[0042] Furthermore, the electromagnetic coil 8 of this embodiment is coated with protective glue to fix the electromagnetic coil 8 and the fixing tube 7 together to form a stable electromagnetic winding 3.

[0043] As a further optimization, the adjustment module 4 includes a conductive rod 9 electrically connected to the control assembly 5. The end of the conductive rod 9 is in sliding contact with and electrically connected to the outer wall of the electromagnetic coil 8. The conductive rod 9 is movable and retractable within the experimental box 1. As the conductive rod 9 is raised and lowered within the experimental box 1, its end contacts and energizes the electromagnetic coil 8 at different heights. This, in turn, energizes the electromagnetic coil 8 with different numbers of turns to form a closed loop, thereby controlling the magnitude of the magnetic force generated by the electromagnetic coil 8.

[0044] To further optimize the solution, the adjustment module 4 also includes a lifting block 11 that is slidably mounted on the inner wall of the experimental box 1. The lifting block 11 is electrically connected to the control component 5. The conductive rod 9 is mounted on the lifting block 11 and moves up and down under the drive of the lifting block 11. A lifting motor 12 is embedded in the lifting block 11. The lifting motor 12 is connected to a lifting gear 14 that is rotatably connected to the lifting block 11. The lifting gear 14 is meshed with a lifting rack 13 that is longitudinally mounted in the experimental box 1. The lifting motor 12 serves as the lifting power, and its operation is controlled by the signal of the control component 5. The lifting motor 12 drives the lifting gear 14 to rotate, and then the lifting block 11 is lifted and lowered through the meshing lifting gear 14 and the lifting rack 13, thereby driving the conductive rod 9 to lift and lower, and contacting the electromagnetic coils 8 at different heights.

[0045] A further optimization scheme features longitudinal exposed slots 15 in the insulation layer of the outer wall of the electromagnetic coil 8. These slots 15 align with the trajectory of the conductive rod 9, allowing the conductive rod 9 to connect to the metal core of the electromagnetic coil 8 through these slots. While the outer wall of the electromagnetic coil 8 is covered with an insulating layer to prevent short circuits, the longitudinal exposed slots 15 expose the metal core of the electromagnetic coil 8, facilitating electrical conduction between the conductive rod 9 and the electromagnetic coil 8.

[0046] As a further optimization, the inner wall of the experimental box 1 is provided with a longitudinal guide bar 16, and the lifting block 11 is provided with a guide groove 17 adapted to the guide bar 16. The lifting block 11 is limited in position by the guide groove 17 and the guide bar 16. The lifting block 11 is provided with a locking bolt 18, which extends into the guide groove 17 and is detachably attached to the guide bar 16. The provision of the guide bar 16 and the guide groove 17 serves to guide and limit the movement of the lifting block 11, thereby improving the stability of the lifting block 11. At the same time, the provision of the locking bolt 18 can lock the lifting block 11 within the experimental box 1 when adjustment is not required, preventing it from being affected.

[0047] To further optimize the solution, a shielding cover 19 is provided in the experimental box 1, and the shielding cover 19 is set outside the electromagnetic coil 8 to shield the magnetic field of the electromagnetic coil 8. The shielding cover 19 is arranged around the electromagnetic coil 8 to shield the electromagnetic force of the electromagnetic coil 8 from the influence of the outside world.

[0048] Furthermore, the shielding cover 19 of this embodiment is made of silicon steel, soft iron, aluminum nickel cobalt alloy and the like.

[0049] In a further optimized solution, the two ends of the fixed tube 7 extend out of the two ends of the shielding cover 19, and the two ends of the fixed tube 7 are detachably connected to the inner wall of the experimental box 1 via connecting rods 20. The two ends of the fixed tube 7 are fixed in the experimental box 1 by the connecting rods 20, forming a suspended state, which will not affect the weighing results of the weighing assembly 2.

[0050] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0051] The embodiments described above are merely descriptions of preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by persons skilled in the art should fall within the scope of protection defined by the claims of the present invention.

Claims

1. A 3D printing device with adjustable magnetic force, characterized in that: include: Experimental box (1), used to fix the equipment and provide protection for the equipment; A weighing component (2) is provided at the bottom end of one side of the experimental box (1) and is used to weigh the concrete 3D printed during the experiment to obtain experimental parameters; An electromagnetic adjustment component comprises a hollow electromagnetic winding (3) provided in the experimental box (1), the electromagnetic winding (3) being provided corresponding to the weighing component (2), a bearing plate (21) on the weighing component (2) for bearing concrete extending into the electromagnetic winding (3); the electromagnetic winding (3) is movably connected to an adjustment module (4) for adjusting the magnetic force of the electromagnetic winding (3); A control component (5), the control component (5) being arranged in the experimental box (1), the control component (5) being electrically connected to the weighing component (2), the electromagnetic winding (3) and the regulating module (4) respectively; The electromagnetic winding (3) includes a fixed tube (7) suspended above the weighing component (2), an electromagnetic coil (8) is wound around the outer wall of the fixed tube (7), the bottom end of the electromagnetic coil (8) is electrically connected to the control component (5), and the control component (5) is movably connected to the outer wall of the electromagnetic coil (8) through the adjustment module (4); The regulating module (4) includes a conductive rod (9) electrically connected to the control component (5), and the end of the conductive rod (9) is in sliding contact with the outer wall of the electromagnetic coil (8) and is electrically connected; the conductive rod (9) is arranged to be movable in a lifting manner within the experimental box (1); A longitudinally arranged exposed groove (15) is provided on the insulating layer of the outer wall of the electromagnetic coil (8), and the exposed groove (15) is adapted to the movement trajectory of the conductive rod (9). The conductive rod (9) is energized in sequence through the exposed groove (15) and the metal inner core of the electromagnetic coil (8).

2. The 3D printing device with adjustable magnetic force according to claim 1, characterized in that: The regulating module (4) further comprises a lifting block (11) slidably arranged on the inner wall of the experimental box (1), wherein the lifting block (11) is electrically connected to the control component (5); the conductive rod (9) is mounted on the lifting block (11) and moves up and down under the drive of the lifting block (11).

3. The 3D printing device with adjustable magnetic force according to claim 2, characterized in that: A lifting motor (12) is embedded in the lifting block (11), and the lifting motor (12) is connected to a lifting gear (14) that is rotatably connected to the lifting block (11). The lifting gear (14) is meshed with a lifting rack (13) longitudinally arranged in the experimental box (1).

4. The 3D printing device with adjustable magnetic force according to claim 2, characterized in that: The inner wall of the experimental box (1) is provided with a longitudinally arranged guide bar (16), and the lifting block (11) is provided with a guide groove (17) adapted to the guide bar (16). The lifting block (11) is limited by the guide groove (17) and the guide bar (16).

5. The 3D printing device with adjustable magnetic force according to claim 4, characterized in that: A locking bolt (18) is provided on the lifting block (11), and the locking bolt (18) extends into the guide groove (17) and is detachably provided with the guide bar (16).

6. The 3D printing device with adjustable magnetic force according to claim 1, characterized in that: A shielding cover (19) is provided in the experimental box (1), and the shielding cover (19) is sleeved outside the electromagnetic coil (8) to shield the magnetic field of the electromagnetic coil (8).

7. The 3D printing device with adjustable magnetic force according to claim 6, characterized in that: The two ends of the fixed tube (7) extend out of the two ends of the shielding cover (19), respectively. The two ends of the fixed tube (7) are detachably connected to the inner wall of the experimental box (1) via connecting rods (20).

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