Mixing device for 3D printing of metal cabin castings

Abstract

The utility model discloses a kind of mixing device of metal cabin casting 3D printing, including mixing bin, the lower end both sides of support are equipped with universal wheel, and the lower end of support side is equipped with magnetic force splicing groove, magnetic force splicing block is inserted and combined and installed in the inner wall of magnetic force splicing groove, and magnetic force splicing block is vertically fixedly connected with the lower end edge of metal 3D printing equipment back side, rotating motor, electrically conductive slip ring, drive motor and thermocouple sensor are electrically connected with PLC controller.The mixing device of metal cabin casting 3D printing inner wall is separated by supporting groove Multiple air bag blocks, can be uniformly supported, air bag block is divided into two groups, and separated by shunt pipe Guided air is avoided collectively air leakage, and sealing block can be automatically closed by spring, facilitate stable inflation, air bag block size is conveniently adjusted, and side sealing block can be conveniently air bag block extrusion buffering, and connecting pad block can play the structure of anti-puncture, safer to use.

Description

Technical Field

[0001] This utility model relates to the field of 3D printing technology for metal cabin castings, specifically a mixing device for 3D printing of metal cabin castings. Background Technology

[0002] SLM3D printing technology manufactures objects by melting and stacking powder materials. It uses a high-energy laser beam to precisely irradiate metal powder, causing it to melt and combine layer by layer into a three-dimensional object. This technology uses a numerical control system to control the shape and intensity of the laser beam, achieving precise control and high-efficiency processing of material melting. Compared with traditional manufacturing methods, SLM3D printing technology has advantages such as no need for molds, flexible design, and short production cycle. It can also manufacture complex structures and high-precision objects. An SLM3D printer consists of four parts: a metal powder supply system, a laser system, a print frame assembly, and a control system. The metal powder supply system includes a powder storage tank. The metal powder is poured into the powder storage tank and can be used to supply material to the substrate during subsequent printing.

[0003] There is an existing powder supply device CN202510235412.1 for SLM metal 3D printers that can provide loose, uniform and quantitative powder to the printing equipment and prevent powder leakage during the powder supply process. However, it has shortcomings. The existing equipment cannot preheat the powder, the mixing effect is not good, and it cannot modularize materials, making it inconvenient to add materials and resulting in poor performance. Therefore, a mixing device for 3D printing of metal chamber castings is needed to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a mixing device for 3D printing of metal cabin castings, so as to solve the problems mentioned in the background art that the powder supply device of a 3D printer cannot preheat the powder, has poor mixing effect, cannot modularize materials, is inconvenient to add materials, and has poor use effect.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a mixing device for 3D printing of metal cabin castings, comprising a mixing chamber, a metal 3D printing device attached to one side of the mixing chamber, a bracket fitted onto the outer wall of the mixing chamber, and a PLC controller electrically connected to the front side of the bracket, a rotary motor inserted into the middle of the upper end of the mixing chamber, and a stirring block installed at the output end of the rotary motor, a conductive slip ring fitted onto the upper end of the outer wall of the stirring block, and an electric heating wire embedded in the inner wall of the stirring block, the electric heating wire being electrically connected to the conductive slip ring, a feed inlet opening on one side of the upper end of the mixing chamber, a connecting hinge installed on one side of the upper end of the feed inlet, a closing cover plate flipped onto the other side of the connecting hinge, a thermocouple sensor installed on one side of the lower end of the inner wall of the mixing chamber, and a [missing information - likely a device or component] inserted into the lower end of one side of the mixing chamber. The drive motor has an auger rod installed at its output end, which is inserted into the inner wall of the guide channel. The guide channel is located at the lower end of the inner wall of the mixing chamber. A discharge port is connected to the lower end of the other side of the mixing chamber. Electric push rods are embedded in the front and rear sides of the inner wall of the bracket. A fixing block is fixedly connected to one side of the output end of the electric push rod. A lifting slide is provided on the inner side of the bracket. The fixing block is slidably inserted into the lifting slide and one end of the fixing block is fixedly connected to the mixing chamber. Universal wheels are installed on both sides of the lower end of the bracket. A magnetic splicing groove is provided on one side of the lower end of the bracket. A magnetic splicing block is inserted into the inner wall of the magnetic splicing groove and is vertically fixedly connected to the lower rear edge of the metal 3D printing equipment. The rotary motor, conductive slip ring, drive motor, and thermocouple sensor are electrically connected to the PLC controller.

[0006] Preferably, the mixing hopper is connected to the support frame in a lifting and lowering motion via an electric push rod, and the mixing hopper is connected to the support frame in a limiting sliding connection via a lifting slide and a fixing block.

[0007] Preferably, the mixing chamber is installed in a magnetically connected manner with the metal 3D printing equipment via magnetic splicing blocks and magnetic splicing grooves, and the mixing chamber is also installed in a sealed connection with the metal 3D printing equipment via the discharge port.

[0008] Preferably, the mixing chamber is connected to the metal 3D printing equipment in a spiral flow guiding manner through the guide channel via an auger rod, and the guide channel has an inclined groove structure.

[0009] Preferably, the stirring block is rotatably connected to the mixing chamber via a rotary motor, the shape of the electric heating wire matches the shape of the stirring block, and the thermocouple sensor is distributed in a protruding position at the lower end of the inner wall of the mixing chamber.

[0010] Preferably, the sealing cover is connected to the feed inlet via a hinge in a reset and flip-up configuration, and the sealing cover is magnetically connected to the edge of the feed inlet.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: the inner wall of the mixing device for the 3D printing of the metal cabin casting is divided into multiple airbag blocks by support grooves, which can provide uniform support. The airbag blocks are divided into two groups and are separated by a diversion pipe to guide air separately, avoiding collective air leakage. The sealing block can be automatically closed by a spring, which facilitates stable inflation and easy adjustment of the size of the airbag blocks. The side sealing block can facilitate the compression and buffering of the airbag blocks, and the connecting pad can provide a puncture-proof structure, making it safer to use. Attached Figure Description

[0012] Figure 1 This is a front view of a mixing device for 3D printing of a metal cabin casting according to this utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of a mixing device for 3D printing of a metal cabin casting according to this utility model.

[0014] Figure 3 This is a side view of the internal structure of a mixing device for 3D printing of a metal cabin casting according to the present invention.

[0015] Figure 4 This utility model relates to a mixing device for 3D printing of metal cabin castings. Figure 2 Enlarged view of point A in the middle;

[0016] Figure 5 This utility model relates to a mixing device for 3D printing of metal cabin castings. Figure 2 Enlarged view at point B in the middle;

[0017] Figure 6 This utility model relates to a mixing device for 3D printing of metal cabin castings. Figure 2 Enlarged view at point C;

[0018] Figure 7 This utility model relates to a mixing device for 3D printing of metal cabin castings. Figure 3 Enlarged view of point D in the middle.

[0019] In the diagram: 1. Mixing hopper, 2. Support frame, 3. PLC controller, 4. Metal 3D printing equipment, 5. Rotary motor, 6. Conductive slip ring, 7. Mixing block, 8. Heating wire, 9. Drive motor, 10. Caster wheel, 11. Screw rod, 12. Electric push rod, 13. Discharge port, 14. Connecting hinge, 15. Sealing cover, 16. Feed port, 17. Magnetic splicing block, 18. Magnetic splicing groove, 19. Lifting chute, 20. Fixing block, 21. Thermocouple sensor, 22. Guide channel. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-7This utility model provides a technical solution: a mixing device for 3D printing of metal cabin castings, including a mixing chamber 1, a support 2, a PLC controller 3, a metal 3D printing equipment 4, a rotary motor 5, a conductive slip ring 6, a stirring block 7, an electric heating wire 8, a drive motor 9, a caster wheel 10, an auger rod 11, an electric push rod 12, a discharge port 13, a connecting hinge 14, a sealing cover plate 15, a feed port 16, a magnetic splicing block 17, a magnetic splicing groove 18, a lifting slide 19, a fixing block 20, a thermocouple sensor 21, and a guide groove 22. The metal 3D printing equipment 4 is attached to one side of the mixing chamber 1, and the support 2 is fitted onto the outer wall of the mixing chamber 1. The front side of the support 2 is electrically connected to the PLC controller 3. The mixing chamber 1 is connected to the support 2 via the electric push rod 12. The frame 2 is connected in a lifting and movable manner, and the mixing chamber 1 is connected to the frame 2 in a limited sliding connection via the lifting slide 19 and the fixing block 20. This allows the mixing chamber 1 to be easily adjusted in height and easy to adapt to different uses. The mixing chamber 1 is installed in a magnetic splicing connection with the metal 3D printing equipment 4 via the magnetic splicing block 17 and the magnetic splicing groove 18. The mixing chamber 1 is also installed in a sealed connection with the metal 3D printing equipment 4 via the discharge port 13. This allows the mixing chamber 1 to be easily positioned and spliced ​​with the metal 3D printing equipment 4, facilitating modular use. The mixing chamber 1 is connected to the metal 3D printing equipment 4 in a spiral flow guiding connection via the auger rod 11 in the guide channel 22. The guide channel 22 has an inclined groove structure, which facilitates stable material guiding in the mixing chamber 1 and improves the material feeding effect. Ideally, a rotary motor 5 is installed at the middle of the upper end of the mixing hopper 1, and a stirring block 7 is installed at the output end of the rotary motor 5. The stirring block 7 is rotatably connected to the mixing hopper 1 through the rotary motor 5. The shape of the electric heating wire 8 matches the shape of the stirring block 7. Thermocouple sensors 21 are distributed in a protruding position at the lower end of the inner wall of the mixing hopper 1, so that the stirring block 7 can be heated and stirred, preheated, and its temperature can be regulated by the thermocouple sensors 21. A conductive slip ring 6 is fitted onto the upper end of the outer wall of the stirring block 7, and an electric heating wire 8 is embedded in the inner wall of the stirring block 7. The electric heating wire 8 is electrically connected to the conductive slip ring 6. A feed inlet 16 is opened on one side of the upper end of the mixing hopper 1, and a connecting hinge 14 is installed on one side of the upper end of the feed inlet 16. On the other side, a closed cover 15 is installed by flipping. The closed cover 15 is connected to the feed inlet 16 by a hinge 14 in a reset flip connection, and the edges of the closed cover 15 and the feed inlet 16 are magnetically connected. This makes it easy and quick to open and close the closed cover 15 for easy material addition. A thermocouple sensor 21 is installed on one side of the lower inner wall of the mixing hopper 1, and a drive motor 9 is inserted and installed on the lower side of one side of the mixing hopper 1. An auger rod 11 is installed at the output end of the drive motor 9, and the auger rod 11 is inserted and installed on the inner wall of the guide channel 22. The guide channel 22 is opened at the lower end of the inner wall of the mixing hopper 1. A discharge port 13 is connected and installed on the lower side of the other side of the mixing hopper 1. An electric push rod 12 is embedded in the front and rear sides of the inner wall of the bracket 2, and a fixing block 20 is fixedly connected to the output end of the electric push rod 12.A lifting slide 19 is provided on the inner side of the bracket 2. A fixing block 20 is slidably inserted into the lifting slide 19, and one end of the fixing block 20 is fixedly connected to the mixing chamber 1. Universal wheels 10 are installed on both sides of the lower end of the bracket 2. A magnetic splicing groove 18 is provided on one lower side of the bracket 2. A magnetic splicing block 17 is inserted into the inner wall of the magnetic splicing groove 18, and the magnetic splicing block 17 is vertically fixedly connected to the lower rear edge of the metal 3D printing equipment 4. The rotary motor 5, conductive slip ring 6, drive motor 9, and thermocouple sensor 21 are electrically connected to the PLC controller 3.

[0022] Working principle: When using the mixing device for 3D printing of metal cabin castings, the mixing chamber 1 is first moved by the universal wheels 10. Then, it is positioned and magnetically connected by the magnetic splicing blocks 17 and magnetic splicing grooves 18, and connected to the power supply. Then, the electric push rod 12 drives the mixing chamber 1 to rise, and it is sealed and connected to the metal 3D printing equipment 4 through the discharge port 13. Then, the rotary motor 5 drives the stirring block 7 to stir the material in the mixing chamber 1. During stirring, the electric heating wire 8 can be used for auxiliary heating. When material needs to be fed, the drive motor 9 drives the auger rod 11 to rotate, thereby spiraling the material into the metal 3D printing equipment 4. When the material needs to be adjusted, the mixing chamber 1 can be lowered, and then the sealing cover 15 can be flipped open to add material. This is the usage process of the mixing device for 3D printing of metal cabin castings.

[0023] It should be noted that this utility model is a mixing device for 3D printing of metal cabin castings. All components are standard parts or parts known to those skilled in the art. Their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods. Furthermore, all electrical components mentioned above refer to power components, electrical components, and the matching monitoring computer and power supply connected by wires. The specific connection method should refer to the working principle described above, where the electrical connection between each electrical component is completed in sequence. The detailed connection method is a well-known technology in the field.

[0024] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A mixing device for 3D printing of metal cabin castings, comprising a mixing chamber (1), wherein a metal 3D printing device (4) is attached to one side of the mixing chamber (1), a bracket (2) is fitted onto the outer wall of the mixing chamber (1), and a PLC controller (3) is electrically connected to the front side of the bracket (2), characterized in that: A rotary motor (5) is inserted and installed at the middle of the upper end of the mixing bin (1), and a stirring block (7) is installed at the output end of the rotary motor (5). A conductive slip ring (6) is fitted on the upper end of the outer wall of the stirring block (7), and an electric heating wire (8) is embedded in the inner wall of the stirring block (7). The electric heating wire (8) is electrically connected to the conductive slip ring (6). A feed inlet (16) is opened on one side of the upper end of the mixing bin (1), and a stirring block (7) is installed on one side of the upper end of the feed inlet (16). A connecting hinge (14) is provided, and a closed cover (15) is installed on the other side of the connecting hinge (14). A thermocouple sensor (21) is installed on one side of the lower end of the inner wall of the mixing hopper (1), and a drive motor (9) is inserted and installed on the lower end of one side of the mixing hopper (1). An auger rod (11) is installed at the output end of the drive motor (9), and the auger rod (11) is inserted and installed on the inner wall of the guide channel (22). The guide channel (22) is opened on the lower end of the inner wall of the mixing hopper (1). At one end, the lower end of the mixing silo (1) is connected to a discharge port (13). An electric push rod (12) is embedded in the front and rear sides of the inner wall of the bracket (2), and a fixing block (20) is fixedly connected to one side of the output end of the electric push rod (12). A lifting slide groove (19) is provided on the inner side of the bracket (2). The fixing block (20) is slidably inserted into the lifting slide groove (19), and one end of the fixing block (20) is fixedly connected to the mixing silo (1). (2) Universal wheels (10) are installed on both sides of the lower end, and a magnetic splicing groove (18) is opened on the lower end of one side of the bracket (2). A magnetic splicing block (17) is inserted into the inner wall of the magnetic splicing groove (18), and the magnetic splicing block (17) is vertically fixed to the lower rear edge of the metal 3D printing equipment (4). The rotary motor (5), conductive slip ring (6), drive motor (9) and thermocouple sensor (21) are electrically connected to the PLC controller (3).

2. The mixing device for 3D printing of metal cabin castings according to claim 1, characterized in that: The mixing bin (1) is connected to the support (2) in a lifting and moving manner via an electric push rod (12), and the mixing bin (1) is connected to the support (2) in a limiting sliding manner via a lifting slide (19) and a fixing block (20).

3. The mixing device for 3D printing of metal cabin castings according to claim 2, characterized in that: The mixing chamber (1) is installed in a magnetic splicing manner with the metal 3D printing equipment (4) through magnetic splicing blocks (17) and magnetic splicing grooves (18), and the mixing chamber (1) is installed in a sealed connection with the metal 3D printing equipment (4) through the discharge port (13).

4. The mixing device for 3D printing of metal cabin castings according to claim 3, characterized in that: The mixing chamber (1) is connected to the metal 3D printing equipment (4) in a spiral flow guide through the guide channel (22) via the auger rod (11), and the guide channel (22) is an inclined groove structure.

5. The mixing device for 3D printing of metal cabin castings according to claim 4, characterized in that: The stirring block (7) is rotatably connected to the mixing chamber (1) via a rotary motor (5). The shape of the electric heating wire (8) matches the shape of the stirring block (7). The thermocouple sensor (21) is distributed in a protruding position on the lower end of the inner wall of the mixing chamber (1).

6. The mixing device for 3D printing of metal cabin castings according to claim 5, characterized in that: The closed cover (15) is connected to the feed inlet (16) via a connecting hinge (14) in a reset and flipped connection, and the edges of the closed cover (15) and the feed inlet (16) are magnetically spliced ​​together.

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