A 3D printing metal powder storage device

Abstract

The application discloses a kind of 3D printing metal powder with storage device, including: processing support and storage tower, the processing support is free from the storage tower, quantitative feeding structure and gas protection structure are installed on the processing support, the inside of the storage tower is installed with retaining monitoring structure, vibration stirring structure and preheating structure;The beneficial effects of the application are that metal powder is drained to the inside of storage tower by quantitative feeding structure, the metal powder in the inside of storage tower is vibrated and smoothed by vibration stirring structure, the height of the inside of storage tower is detected by fixed monitoring structure, and the heat between the separation is drained to the outside of conductive metal liquid by preheating structure, so as to achieve the effect of heat preservation.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of 3D printing technology, in particular to a 3D printing metal powder storage device. BACKGROUND

[0002] 3D printing (3DP) is a kind of rapid prototyping technology, also known as additive manufacturing [1], which is a technology that uses digital model files as the basis, and uses powder-like metal or plastic and other materials that can be bonded, to construct objects through layer-by-layer printing.

[0003] 3D printing is usually realized by using a digital technology material printer. It is often used in mold manufacturing, industrial design and other fields to manufacture models, and gradually used for direct manufacturing of some products. There are parts printed by this technology. The technology is applied in jewelry, footwear, industrial design, architecture, engineering and construction (AEC), automobiles, aerospace, dental and medical industries, education, geographic information systems, civil engineering, guns and other fields. The powder storage in the existing laser cladding powder feeder relies on a transparent window to observe by the naked eye. When the powder is consumed to the low limit, the worker manually adds powder to the high limit. In the actual operation process, the worker is easy to forget to observe the remaining amount of powder, resulting in the depletion of the powder, causing the laser cladding to run empty due to the lack of material supply. At the same time, the powder storage in the prior art has poor preheating function and poor preheating effect. In view of the above problems, the present application is developed. SUMMARY

[0004] To achieve the above purpose, the technical scheme of the present application is as follows: a 3D printing metal powder storage device, comprising: a processing support and a storage tower, the processing support is freely arranged on the storage tower, the processing support is provided with a quantitative feeding structure and a gas protection structure, and the inner side of the storage tower is provided with a fixation monitoring structure, a vibration stirring structure and a preheating structure.

[0005] The fixation monitoring structure comprises: two pairs of concave fixation monitoring blocks, two pairs of S-shaped drainage tubes, two pairs of pressure extrusion air bags, siphon liquid, two pairs of floating liquid level meters and two pairs of extrusion expansion air bags.

[0006] The two pairs of concave fixation monitoring blocks are respectively arranged on the inner side of the storage tower, the two pairs of S-shaped drainage tubes are respectively connected to the two pairs of concave fixation monitoring blocks, and the two pairs of S-shaped drainage tubes are inserted into the storage tower, the two pairs of pressure extrusion air bags are respectively arranged on the two pairs of concave fixation monitoring blocks, and the two pairs of pressure extrusion air bags are respectively connected to the two pairs of S-shaped drainage tubes, the siphon liquid is arranged in the inner side of the two pairs of S-shaped drainage tubes, the two pairs of floating liquid level meters are respectively arranged in the inner side of the two pairs of S-shaped drainage tubes, and the two pairs of extrusion expansion air bags are respectively arranged in the inner side of the two pairs of S-shaped drainage tubes.

[0007] Preferably, the vibration stirring structure comprises a vibration gear box, a vibration drive machine, a plurality of vibration shaft pipes, a plurality of vibration transmission shafts, a plurality of sector friction blocks, a plurality of concave vibration transmission wheels, a pair of transmission belts, a plurality of sector concave blocks, a plurality of circular arc limiting shafts, a plurality of circular arc moving bearing blocks, a plurality of circular arc sleeving springs, and a plurality of extrusion correction wheels.

[0008] The plurality of vibration shaft pipes are horizontally and parallelly mounted on the storage tower, the plurality of vibration transmission shafts are movably inserted into the inside of the plurality of vibration shaft pipes, the plurality of sector friction blocks are mounted on the plurality of vibration transmission shafts, the plurality of sector friction blocks are movably inserted into the inside of the plurality of vibration shaft pipes, the plurality of concave vibration transmission blocks are mounted on the plurality of vibration transmission shafts, the vibration gear box is sleeved on a pair of vibration transmission shafts, the vibration drive machine is connected to the vibration gear box, a pair of transmission belts are sleeved on a plurality of concave vibration transmission wheels, a plurality of sector concave blocks are uniformly mounted on the storage tower, a pair of circular arc grooves are formed in the plurality of sector concave blocks, a plurality of circular arc moving bearing blocks are movably inserted into the inside of the plurality of circular arc grooves, a plurality of circular arc limiting shafts are movably inserted into the inside of the plurality of circular arc grooves, a plurality of circular arc sleeving springs are sleeved on the plurality of circular arc limiting shafts, and a plurality of extrusion correction wheels are mounted on the plurality of circular arc moving bearing blocks and extrude a pair of transmission belts.

[0009] Preferably, the preheating structure comprises a pair of division plates, a plurality of gas flow guide pipes, an air charging pump, a pair of shunt pipes, heat-conducting oil, a feeding pipe, a feeding valve, a flow guide feeding pipe, a feeding sleeving pipe, a plurality of inductive metal rods, and a coiled inductor.

[0010] A pair of division plates are uniformly mounted on the inside of the storage tower, a plurality of gas flow guide pipes are uniformly mounted on the inside of the storage tower, and the plurality of gas flow guide pipes are located between a pair of division plates, a pair of shunt pipes are respectively connected to the plurality of gas flow guide pipes, the heat-conducting oil is arranged between a pair of division plates, the feeding pipe is inserted into a pair of division plates, the feeding valve is mounted on the feeding pipe, the flow guide feeding pipe is inserted into the storage tower, the feeding sleeving pipe is sleeved on the flow guide feeding pipe, and the feeding sleeving pipe is sleeved on the shunt pipe, a plurality of inductive metal rods are uniformly mounted on the division plates and the storage tower, and the coiled inductor is inserted into the inside of the storage tower.

[0011] Preferably, the quantitative feeding structure comprises a raw material concave box, a Z-shaped feeding pipe, a feeding shaft, a feeding drive machine, a feeding blade, a transfer box, a transfer quantitative adjusting plate, a transfer adjusting drive machine, a transfer adjusting screw pipe, a transfer adjusting screw rod, a transfer adjusting gear box, a transfer feeding concave block, a transfer feeding shaft, a feeding shielding plate and a feeding stretching electric push rod.

[0012] The raw material concave box is installed on the processing support, the Z-shaped feeding pipe is installed on the processing support and inserted into the raw material concave box, the feeding shaft is inserted into the Z-shaped feeding pipe through a bearing, the driving end of the feeding drive machine is connected to the feeding shaft, the feeding blade is installed on the feeding shaft, the transfer box is installed on the processing support and connected to the Z-shaped feeding pipe, the transfer quantitative adjusting plate is movably arranged inside the transfer box, the transfer adjusting screw pipe is inserted into the transfer box through a bearing, the transfer adjusting screw rod is movably inserted into the inside of the transfer adjusting screw pipe, the transfer adjusting gear box is sleeved on the transfer adjusting screw pipe, the driving end of the transfer adjusting drive machine is connected to the transfer adjusting gear box, the inside of the transfer box is provided with a feeding opening and a pair of feeding grooves, the transfer feeding concave block is movably inserted into the inside of the pair of feeding grooves, the transfer feeding shaft is inserted into the transfer feeding concave block through a bearing and movably inserted into the inside of the pair of feeding grooves, the storage tower is connected to the transfer box, the feeding shielding plate is inserted at the connection between the storage tower and the transfer box, the feeding stretching electric push rod is installed on the transfer box and the pushing end of the feeding stretching electric push rod is connected to the feeding shielding plate.

[0013] Preferably, the gas protection structure comprises an inert gas cylinder group, a gas guide shunt pipe, an electromagnetic flow valve and an electronic air pressure gauge.

[0014] The inert gas cylinder group is installed on the processing support, the gas guide shunt pipe is connected to the inert gas cylinder group, the electromagnetic flow valve is connected to the gas guide shunt pipe and the electronic air pressure gauge is installed on the gas guide shunt pipe.

[0015] Preferably, the inside of the storage tower is provided with a pair of temperature sensors.

[0016] Preferably, the inside of the storage tower is provided with a scanning camera and an infrared range finder.

[0017] Preferably, the dividing plate is provided with a horn-shaped gathering block.

[0018] Preferably, the inside of the feeding pipe is provided with a plurality of horn-shaped gathering blocks.

[0019] Preferably, the storage tower is provided with a pressurized pump.

[0020] The 3D printing metal powder storage device is characterized in that the quantitative feeding structure is used to guide the metal powder to the inner side of the storage tower, the vibration stirring structure is used to vibrate and flatten the metal powder in the inner side of the storage tower, the fixed monitoring structure is used to detect the height of the inner side of the storage tower, and the preheating structure is used to separate the heating and the storage and guide the heat between the separation to the outer side of the metal liquid, so as to achieve the heat preservation effect. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 FIG. 1 is a front view of a 3D printing metal powder storage device according to the present application.

[0022] Figure 2 FIG. 2 is a side view of a 3D printing metal powder storage device according to the present application.

[0023] Figure 3 FIG. 3 is a top view of a 3D printing metal powder storage device according to the present application.

[0024] Figure 4 FIG. 4 is a rear view of a 3D printing metal powder storage device according to the present application.

[0025] Figure 5 FIG. 5 is a front view of a 3D printing metal powder storage device according to the present application.

[0026] Figure 6 FIG. 6 is a front view of a 3D printing metal powder storage device according to the present application.

[0027] Figure 7 FIG. 7 is a front view of a 3D printing metal powder storage device according to the present application. Figure 1 FIG. 8 is a partial enlarged view of FIG. 7.

[0028] In the figure: 1, processing support; 2, storage tower; 3, concave retention monitoring block; 4, S-shaped drainage tube; 5, pressure extrusion air bag; 6, siphon liquid; 7, floating liquid level meter; 8, extrusion expansion air bag; 9, feeding stretching electric push rod; 10, vibration gear box; 11, vibration drive machine; 12, vibration shaft tube; 13, vibration transmission shaft; 14, fan-shaped friction block; 15, concave vibration transmission wheel; 16, transmission belt; 17, fan-shaped concave block; 18, circular arc limiting shaft; 19, circular arc moving bearing block; 20, circular arc sleeve spring; 21, extrusion correction wheel; 22, partition plate; 23, gas drainage tube; 24, air pump; 25, shunt tube; 26, heat conducting oil; 27, feeding pipe; 28, feeding valve; 29, drainage feeding pipe; 30, feeding sleeve pipe; 31, inductive metal rod; 32, coiled inductor; 33, raw material concave box; 34, Z-shaped feeding pipe; 35, feeding shaft; 36, feeding drive machine; 37, feeding blade; 38, transfer box; 39, transfer constant adjustment plate; 40, transfer adjustment drive machine; 41, transfer adjustment threaded pipe; 42, transfer adjustment threaded rod; 43, transfer adjustment gear box; 44, transfer feeding concave block; 45, transfer feeding shaft; 46, feeding baffle. DETAILED DESCRIPTION

[0029] By the person skilled in the art, all electrical components in the case are connected to their adapted power supply through wires, and appropriate controllers should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should be completed according to the working order of each electrical component in the working principle described below. The detailed connection means is a well-known technology in the art. The working principle and process are mainly introduced below, and the electrical control is not described. EMBODIMENT

[0030] As shown in Figures 1-7 The processing support 1 is installed on the storage tower 2, and the processing support 1 is provided with a constant feeding structure and a gas protection structure. The inner side of the storage tower 2 is provided with a retention monitoring structure, a vibration stirring structure, and a preheating structure.

[0031] Specifically, the retention monitoring structure comprises two pairs of concave retention monitoring blocks 3, two pairs of S-shaped drainage tubes 4, two pairs of pressure extrusion air bags 5, a siphon liquid 6, two pairs of floating liquid level meters 7, and two pairs of extrusion expansion air bags 8.

[0032] Specifically, two pairs of the concave fixed monitoring blocks are opposite to the inner side of the storage tower 2, two pairs of the S-shaped drainage pipes 4 are connected to the two pairs of the concave fixed monitoring blocks, and the two pairs of the S-shaped drainage pipes 4 are inserted into the storage tower 2, two pairs of the pressure extrusion air bags 5 are installed on the two pairs of the concave fixed monitoring blocks, and the two pairs of the pressure extrusion air bags 5 are connected to the two pairs of the S-shaped drainage pipes 4, the siphon liquid 6 is arranged on the inner side of the two pairs of the S-shaped drainage pipes 4, two pairs of the floating liquid level meters 7 are installed on the inner side of the two pairs of the S-shaped drainage pipes 4, and two pairs of the extrusion expansion air bags 8 are installed on the inner side of the two pairs of the S-shaped drainage pipes 4.

[0033] In use, the crushed raw materials are quantitatively introduced into the inner side of the storage tower 2 through the quantitative feeding structure, the pressure extrusion air bags 5 in the concave fixed monitoring blocks on the inner side of the storage tower 2 are extruded, the gas on the inner side of the pressure extrusion air bags 5 is introduced into the extrusion expansion air bags 8 along the inner side of the S-shaped drainage pipes 4, the extrusion expansion air bags 8 are expanded, the siphon liquid 6 in the S-shaped drainage pipes 4 is extruded and expanded by the extrusion expansion air bags 8, the liquid level on the other side of the S-shaped drainage pipes 4 is raised and lowered through the siphon principle, the floating liquid level meters 7 on the siphon liquid 6 are raised and lowered, thereby monitoring the liquid level in the S-shaped drainage pipes 4 and the metal powder in the storage tower 2, monitoring the metal powder through the monitoring of the two pairs of the floating liquid level meters 7, and preventing the metal powder from being accumulated by the vibration stirring structure.

[0034] As shown in Figures 1-7 The vibration stirring structure comprises a vibration gear box 10, a vibration driving machine 11, a plurality of vibration shaft pipes 12, a plurality of vibration transmission shafts 13, a plurality of fan-shaped friction blocks 14, a plurality of concave vibration transmission wheels 15, a pair of transmission belts 16, a plurality of fan-shaped concave blocks 17, a plurality of circular arc limiting shafts 18, a plurality of circular arc moving bearing blocks 19, a plurality of circular arc sleeving springs 20, and a plurality of extrusion correction wheels 21.

[0035] Specific, several said vibration shaft tube 12 horizontal parallel installed on the storage tower 2, several said vibration transmission shaft 13 respectively active plug installed in several said vibration shaft tube 12 inside, several said fan friction block 14 are installed on several said vibration transmission shaft 13, and several said fan friction block 14 are good plug installed in several said vibration shaft tube 12 inside, several said concave vibration transmission block are respectively installed on several said vibration transmission shaft 13, said vibration gear box 10 is sleeved on a pair of said vibration transmission shaft 13, said vibration drive machine 11 drive end is connected to said vibration gear box 10, a pair of said transmission belt 16 is respectively sleeved on several said concave vibration transmission wheel 15, several said fan concave block are evenly installed on the storage tower 2, a pair of circular arc groove are respectively provided on several said fan concave block, several said circular arc moving bearing block 19 are respectively active plug installed in several said circular arc groove inside, several said circular arc limit shaft 18 are respectively active plug installed in several said circular arc groove inside, several said circular arc sleeve spring 20 are respectively sleeved on several said circular arc limit shaft 18, several said extrusion correction wheel 21 are respectively installed on several said circular arc moving bearing block 19, and several said extrusion correction wheel 21 are evenly extruded on a pair of said transmission belt 16.

[0036] In use, by vibration drive machine 11 operation, drive vibration drive machine 11 drive end on vibration gear box 10 operation, by vibration gear box 10 drive its inside a pair of vibration transmission shaft 13, by a pair of vibration transmission shaft 13 respectively drive the concave vibration transmission wheel 15 on it, by a pair of concave vibration transmission wheel 15 respectively drive the transmission belt 16 on it, by a pair of transmission belt 16 respectively drive several concave vibration transmission wheel 15 inside, by several concave vibration transmission wheel 15 respectively drive the vibration transmission shaft 13 on it respectively drive several fan friction block 14 on it, by several fan friction block 14 respectively rotate in several vibration shaft tube 12 inside, by vibration vibration shaft tube 12 respectively transmit vibration to the inside of storage tower 2, by vibration the metal powder inside storage tower 2 vibration, so as to achieve the vibration of the accumulation of vibration, by a pair of circular arc sleeve spring 20 inside several fan concave block respectively along a pair of circular arc limit shaft 18 push the circular arc moving bearing block 19 on it, so that the circular arc moving bearing block 19 along a pair of circular arc limit shaft 18 rotation telescopic, so as to drive a pair of circular ring moving bearing block on extrusion correction wheel 21, so that extrusion correction wheel 21 on transmission belt 16 extrusion tension, so as to achieve the transmission belt 16 and concave vibration transmission wheel 15 tight transmission.

[0037] As Figures 1-7As shown, the preheating structure includes: a pair of dividing plates 22, several gas diversion pipes 23, an air pump 24, a pair of diversion pipes 25, heat transfer oil 26, a feeding pipe 27, a feeding valve 28, a diversion feeding pipe 29, a feeding sleeve pipe 30, several inductive metal rods 31, and a coiled inductor 32.

[0038] Specifically, a pair of dividing plates 22 are evenly installed on the inner side of the storage tower 2, a plurality of gas guide pipes 23 are evenly installed on the inner side of the storage tower 2, and the plurality of gas guide pipes 23 are located between the pair of dividing plates 22, a pair of branch pipes 25 are respectively connected to the plurality of gas guide pipes 23, the heat transfer oil 26 is placed between the pair of dividing plates 22, the feeding pipe 27 is inserted into the pair of dividing plates 22, the feeding valve 28 is installed on the feeding pipe 27, the guiding feeding pipe 29 is inserted into the storage tower 2, the feeding sleeve 30 is sleeved on the guiding feeding pipe 29, and the feeding sleeve 30 is sleeved on the branch pipe 25, a plurality of inductive metal rods 31 are evenly installed on the dividing plates 22 and the storage tower 2, and the coiled inductor 32 is inserted into the inner side of the storage tower 2.

[0039] In use, the storage tank is divided into three sections by a pair of partition plates. The heat generated by heating the bottom of the storage tank is diverted to the inside of several gas diversion pipes 23 by heat transfer oil 26. The air pump 24 inflates the diversion pipe 25, and the high-speed air is diverted to the inside of several gas diversion pipes 23 by the diversion pipe 25. The high-speed air absorbs the heat and diverts the high-temperature high-speed air to the inside of another diversion pipe 25. The gas is diverted to the inside of the feeding sleeve pipe 30 by another diversion pipe. The high-temperature gas is used to keep the inside of the feeding pipe 29 at a high temperature. The feeding valve 28 is opened, and the vibrating metal powder is diverted to the space between several inductive metal rods 31 by the feeding pipe 27. The coiled inductor 32 inductively heats the several inductive metal rods 31, so that the several inductive metal rods 31 are heated at a high temperature. The several high-temperature inductive metal rods 31 heat the metal air.

[0040] like Figures 1-7 As shown, the quantitative feeding structure includes: a raw material concave box 33, a Z-shaped feeding pipe 34, a feeding shaft 35, a feeding drive motor 36, feeding blades 37, a transfer box 38, a transfer quantitative adjustment plate 39, a transfer adjustment drive motor 40, a transfer adjustment threaded pipe 41, a transfer adjustment threaded rod 42, a transfer adjustment gearbox 43, a transfer feeding concave block 44, a transfer feeding shaft 45, a feeding baffle plate 46, and a feeding tension electric push rod 9;

[0041] Specifically, the raw material concave box 33 is installed on the machining support 1, the Z-shaped feeding pipe 34 is installed on the machining support 1, and the Z-shaped feeding pipe 34 is inserted into the raw material concave box 33, the feeding shaft 35 is inserted into the Z-shaped feeding pipe 34 through a bearing, the feeding driving machine 36 is connected to the feeding shaft 35, the feeding blade 37 is installed on the feeding shaft 35, the transfer box 38 is installed on the machining support 1, and the transfer box 38 is connected to the Z-shaped feeding pipe 34, the transfer quantitative adjusting plate 39 is movably arranged on the inner side of the transfer box 38, the transfer adjusting threaded pipe 41 is inserted into the transfer box 38 through a bearing, the transfer adjusting threaded rod 42 is movably inserted into the inner side of the transfer adjusting threaded pipe 41, the transfer adjusting gear box 43 is sleeved on the transfer adjusting threaded pipe 41, the transfer adjusting driving machine 40 is connected to the driving end of the transfer adjusting gear box 43, a feeding opening and a pair of feeding grooves are formed in the inner side of the transfer box 38, the transfer feeding concave block 44 is movably inserted into the inner side of the pair of feeding grooves, the transfer feeding shaft 45 is inserted into the transfer feeding concave block 44 through a bearing, and the transfer feeding shaft 45 is movably inserted into the inner side of the pair of feeding grooves, the storage tower 2 is connected to the transfer box 38, the feeding shielding plate 46 is inserted at the connection between the storage tower 2 and the transfer box 38, the feeding stretching electric push rod 9 is installed on the transfer box 38, and the pushing end of the feeding stretching electric push rod 9 is connected to the feeding shielding plate 46.

[0042] In use, by pouring the raw materials into the raw material concave box 33, the raw materials in the raw material concave box 33 are guided to the inside bottom end of the Z-shaped feeding pipe 34 through the Z-shaped feeding pipe 34, the feeding shaft 35 on the driving end of the feeding drive machine 36 is rotated by the operation of the feeding drive machine 36, the feeding blade 37 on the feeding shaft 35 is driven to rotate by the feeding shaft 35, and the raw materials in the Z-shaped feeding pipe 34 are pulled up by the rotation of the feeding blade 37. The raw materials are guided to the inside of the transfer box 38 through the Z-shaped feeding pipe 34. The transfer adjustment gear box 43 on the driving end of the transfer adjustment drive machine 40 is operated by the operation of the transfer adjustment drive machine 40, the transfer adjustment threaded pipe 41 on the transfer adjustment gear box 43 is rotated by the operation of the transfer adjustment gear box 43, the inside transfer adjustment threaded rod 42 is driven to rotate by the rotating transfer adjustment threaded pipe 41, the transfer adjustment threaded rod 42 is telescoped along the inside of the transfer adjustment threaded pipe 41, the transfer quantitative adjustment plate 39 on the transfer adjustment threaded rod 42 is driven by the transfer adjustment threaded rod 42, the distance between the Z-shaped feeding pipe 34 and the transfer quantitative adjustment plate 39 on the transfer box 38 is adjusted, the feeding volume of the raw materials is adjusted, a certain amount of raw materials is fed, and the feeding stretching electric push rod 9 is telescoped, the feeding blocking plate 46 on the pushing end of the feeding stretching electric push rod 9 is driven by the feeding stretching electric push rod 9, the feeding blocking plate 46 does not block the transfer feeding concave block 44, the transfer feeding concave block 44 is rotated along the transfer feeding shaft 45, the raw materials in the inside of the transfer feeding concave block 44 in the transfer box 38 are guided to the inside of the storage tower 2, and the raw materials are quantitatively fed according to different needs.

[0043] As shown in Figures 1-7 The gas protection structure comprises an inert gas cylinder group, a gas guide and shunt pipe 25, an electromagnetic flow valve, and an electronic air gauge.

[0044] Specifically, the inert gas cylinder group is installed on the machining support 1, the gas guide and shunt pipe 25 is connected to the inert gas cylinder group, the electromagnetic flow valve is connected to the gas guide and shunt pipe 25, and the electronic air gauge is installed on the gas guide and shunt pipe 25.

[0045] In use, the gas guide and shunt pipe 25 is aerated by the electromagnetic flow valve, and the inert gas in the inside of the inert gas cylinder group is guided to the inside of the storage tower 2 through the gas guide and shunt pipe 25.

[0046] As a preferred solution, the inside of the storage tower 2 is further provided with a pair of temperature sensors.

[0047] As a preferred solution, the inside of the storage tower 2 is further provided with a scanning camera and an infrared range finder.

[0048] As a preferred solution, the dividing plate 22 is provided with a horn-shaped gathering block.

[0049] As a preferred solution, further, the inner side of the feeding pipe 27 is provided with a plurality of horn-shaped gathering blocks.

[0050] As a preferred solution, further, the storage tower 2 is provided with a pressurizing pump.

[0051] The above technical solution only embodies the preferred technical solution of the present application, and some changes made by the person skilled in the art to some parts thereof also embody the principle of the present application and fall within the protection scope of the present application.

Claims

1. A storage device for 3D printing metal powder, comprising: a processing support and a storage tower, characterized in that, The processing support is installed on the storage tower. The processing support is equipped with a quantitative feeding structure and a gas protection structure. The inner side of the storage tower is equipped with a solid level monitoring structure, a vibration stirring structure, and a preheating structure. The fixed position monitoring structure includes: two pairs of concave fixed position monitoring blocks, two pairs of S-shaped drainage tubes, two pairs of pressure squeezing airbags, siphon liquid, two pairs of floating liquid level gauges, and two pairs of squeezing expansion air bags. Two pairs of concave fixed monitoring blocks are respectively positioned opposite the inner side of the storage tower. Two pairs of S-shaped drainage pipes are respectively connected to the two pairs of concave fixed monitoring blocks and inserted into the storage tower. Two pairs of pressure squeezing airbags are respectively installed on the two pairs of concave fixed monitoring blocks and connected to the two pairs of S-shaped drainage pipes. The siphon liquid is placed inside the two pairs of S-shaped drainage pipes. Two pairs of floating level gauges are respectively installed inside the two pairs of S-shaped drainage pipes. Two pairs of squeezing expansion air bags are respectively installed inside the two pairs of S-shaped drainage pipes. The vibration stirring structure includes: a vibration gearbox, a vibration drive motor, several vibration shaft tubes, several vibration transmission shafts, several fan-shaped friction blocks, several concave vibration transmission wheels, a pair of transmission belts, several fan-shaped concave blocks, several arc-shaped limiting shafts, several arc-shaped moving bearing blocks, several arc-shaped sleeve springs, and several extrusion straightening wheels. A plurality of vibrating shaft tubes are horizontally and parallelly installed on the storage tower. A plurality of vibrating transmission shafts are movably inserted into the inner side of the plurality of vibrating shaft tubes. A plurality of fan-shaped friction blocks are respectively installed on the plurality of vibrating transmission shafts, and the fan-shaped friction blocks are respectively movably inserted into the inner side of the plurality of vibrating shaft tubes. A plurality of concave vibrating transmission blocks are respectively installed on the plurality of vibrating transmission shafts. A vibrating gearbox is fitted onto a pair of vibrating transmission shafts. The drive end of the vibrating drive motor is connected to the vibrating gearbox. A pair of transmission belts are respectively fitted onto the plurality of... On the concave vibration transmission wheel, several fan-shaped concave blocks are evenly installed on the storage tower. Each of the fan-shaped concave blocks has a pair of arc grooves. Several arc movable bearing blocks are movably inserted into the inner side of the arc grooves. Several arc limiting shafts are movably inserted into the inner side of the arc grooves. Several arc sleeve springs are respectively sleeved on the arc limiting shafts. Several compression straightening wheels are respectively installed on the arc movable bearing blocks, and the compression straightening wheels evenly compress a pair of transmission belts. The preheating structure includes: a pair of dividing plates, several gas diversion pipes, an air pump, a pair of diversion pipes, heat transfer oil, a feeding pipe, a feeding valve, a diversion feeding pipe, a feeding sleeve pipe, several inductive metal rods, and a coiled inductor. A pair of dividing plates are evenly installed on the inner side of the storage tower. A plurality of gas guide pipes are evenly installed on the inner side of the storage tower, and the plurality of gas guide pipes are located between the pair of dividing plates. A pair of branch pipes are respectively connected to the plurality of gas guide pipes. The heat transfer oil is placed between the pair of dividing plates. The feed pipe is inserted into the pair of dividing plates. The feed valve is installed on the feed pipe. The feed guide pipe is inserted into the storage tower. The feed sleeve is fitted onto the feed guide pipe, and the feed sleeve is fitted onto the branch pipe. A plurality of inductive metal rods are evenly installed on the dividing plates and the storage tower. The coiled inductor is inserted into the inner side of the storage tower. The quantitative feeding structure includes: a raw material concave box, a Z-shaped feeding pipe, a feeding shaft, a feeding drive motor, feeding blades, a transfer box, a transfer quantitative adjustment plate, a transfer adjustment drive motor, a transfer adjustment threaded pipe, a transfer adjustment threaded rod, a transfer adjustment gearbox, a transfer feeding concave block, a transfer feeding shaft, a feeding baffle plate, and a feeding tension electric push rod. The raw material concave box is mounted on the processing support, the Z-shaped feeding pipe is mounted on the processing support and inserted into the raw material concave box, the feeding shaft is inserted into the Z-shaped feeding pipe via bearings, the driving end of the feeding drive is connected to the feeding shaft, the feeding blades are mounted on the feeding shaft, the transfer box is mounted on the processing support and connected to the Z-shaped feeding pipe, the transfer quantitative adjustment plate is movably disposed inside the transfer box, the transfer adjustment threaded pipe is inserted into the transfer box via bearings, the transfer adjustment threaded rod is movably inserted into the inside of the transfer adjustment threaded pipe, and the transfer adjustment... The gearbox is mounted on the transfer adjustment threaded pipe, the drive end of the transfer adjustment drive motor is connected to the transfer adjustment gearbox, the inner side of the transfer box is provided with a feeding port and a pair of feeding slots, the transfer feeding concave block is movably inserted into the inner side of the pair of feeding slots, the transfer feeding shaft is inserted into the transfer feeding concave block through a bearing, and the transfer feeding shaft is movably inserted into the inner side of the pair of feeding slots, the storage tower is connected to the transfer box, the feeding baffle is inserted at the connection between the storage tower and the transfer box, the feeding tension electric push rod is mounted on the transfer box, and the pushing end of the feeding tension electric push rod is connected to the feeding baffle. The gas protection structure includes: an inert gas cylinder group, a gas diversion pipe, an electromagnetic flow valve, and an electronic barometer. The inert gas cylinder assembly is mounted on the processing bracket, the gas diversion pipe is connected to the inert gas cylinder assembly, the electromagnetic flow valve is connected to the gas diversion pipe, and the electronic barometer is mounted on the gas diversion pipe.

2. The storage device for 3D printing metal powder according to claim 1, characterized in that, A pair of temperature sensors are installed on the inside of the storage tower.

3. The storage device for 3D printing metal powder according to claim 1, characterized in that, The storage tower is equipped with a scanning camera and an infrared rangefinder on its inner side.

4. A storage device for 3D printing metal powder according to claim 1, characterized in that, The dividing plate is provided with a trumpet-shaped gathering block.

5. A storage device for 3D printing metal powder according to claim 1, characterized in that, The inner side of the feeding pipe is provided with several trumpet-shaped aggregating blocks.

6. A storage device for 3D printing metal powder according to claim 1, characterized in that, The storage tower is equipped with a pressure pump.

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