CN115055700A - Device for improving utilization rate of powder in additive manufacturing of lower powder feeding metal - Google Patents

Device for improving utilization rate of powder in additive manufacturing of lower powder feeding metal Download PDF

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Publication number
CN115055700A
CN115055700A CN202210713303.2A CN202210713303A CN115055700A CN 115055700 A CN115055700 A CN 115055700A CN 202210713303 A CN202210713303 A CN 202210713303A CN 115055700 A CN115055700 A CN 115055700A
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CN
China
Prior art keywords
powder
cooling
feeding
block
metal
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Pending
Application number
CN202210713303.2A
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Chinese (zh)
Inventor
丁小明
庄欠玉
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Aviation Materials Guochuang Qingdao High Speed Railway Materials Research Institute Co ltd
AECC Beijing Institute of Aeronautical Materials
Original Assignee
Aviation Materials Guochuang Qingdao High Speed Railway Materials Research Institute Co ltd
AECC Beijing Institute of Aeronautical Materials
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Application filed by Aviation Materials Guochuang Qingdao High Speed Railway Materials Research Institute Co ltd, AECC Beijing Institute of Aeronautical Materials filed Critical Aviation Materials Guochuang Qingdao High Speed Railway Materials Research Institute Co ltd
Priority to CN202210713303.2A priority Critical patent/CN115055700A/en
Publication of CN115055700A publication Critical patent/CN115055700A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/10—Auxiliary heating means
    • B22F12/13—Auxiliary heating means to preheat the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B22F10/25—Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/20—Cooling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/22—Driving means
    • B22F12/222—Driving means for motion along a direction orthogonal to the plane of a layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/22—Driving means
    • B22F12/224—Driving means for motion along a direction within the plane of a layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/30—Platforms or substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/30—Platforms or substrates
    • B22F12/33—Platforms or substrates translatory in the deposition plane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/40—Radiation means
    • B22F12/41—Radiation means characterised by the type, e.g. laser or electron beam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/50—Means for feeding of material, e.g. heads
    • B22F12/52—Hoppers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/90—Means for process control, e.g. cameras or sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Abstract

The invention discloses a device for improving the utilization rate of powder produced by metal additive manufacturing of lower powder feeding, and relates to the technical field of metal additive manufacturing. According to the metal material additive powder spraying device, through mutual matching of the components, additive work of powder on a metal material is fully utilized, the situation that waste is caused due to insufficient utilization of the powder and additive quality of the metal material is influenced is avoided, meanwhile, the stability in the metal additive powder spraying process is effectively guaranteed, the actual situation of additive can be monitored in real time in the metal material additive process, the material additive amount is guaranteed, the situation of invalid processing is avoided, the metal material subjected to additive finishing can be rapidly cooled, and the situation that cracking occurs to the additive part in the cooling process is avoided.

Description

Device for improving utilization rate of powder in additive manufacturing of lower powder feeding metal
Technical Field
The invention relates to the technical field of metal additive manufacturing, in particular to a device for improving the utilization rate of powder produced by metal additive manufacturing by feeding powder downwards.
Background
As an advanced rapid prototyping technology, a metal additive manufacturing technology essentially adopts a numerical discretization/stacking prototyping additive thinking, and a three-dimensional CAD solid model is obtained by a layer-by-layer superposition preparation method. Compared with the traditional material reducing processing and manufacturing method, the utilization rate of the metal raw material is higher; meanwhile, when the metal parts with complex shapes are prepared, the method has the advantage of being unique; in addition, the rapid repair of the die and the damaged parts can be realized, the two effects of shortening the design period of the metal parts and reducing the production cost are achieved, and the comprehensive mechanical property of the finally solidified metal structure is equivalent to that of the traditional forged piece. In general, metal additive manufacturing represents a modeless, low-cost, digital advanced manufacturing technique with incomparable application prospects.
The metal additive manufacturing device on the market has the defects that the powder utilization rate is low, metal powder is wasted, and the metal additive quality is influenced.
Disclosure of Invention
The invention aims to provide a device for improving the utilization rate of powder produced by additive manufacturing of a bottom feeding metal, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a device for improving the utilization rate of powder produced by metal additive manufacturing of lower powder feeding comprises a bearing seat and a feeding assembly, wherein a limiting frame body is arranged at the position, close to the edge, of the upper end of the bearing seat, the feeding assembly used for feeding powder is arranged in the middle of the upper end of the limiting frame body, the feeding assembly comprises a powder bin, a feeding wheel, a trough, a discharge port, a preheating pipe, a heating bin and a heating block, the feeding wheel is arranged in the middle of the inner side of the powder bin, the trough is arranged on the outer side of the feeding wheel, the discharge port is arranged in the middle of the lower end of the powder bin, the lower end of the discharge port is connected with the preheating pipe, the heating pipe is arranged on the inner wall of the preheating pipe, the heating bin is connected with the lower end of the preheating pipe, the heating block is arranged on the outer side of the heating bin, the additive assembly used for metal additive is connected with the lower end of the feeding assembly, and the bearing assembly used for bearing metal material is arranged in the middle of the upper end of the bearing seat, and a cooling assembly for cooling the metal material is arranged on the inner side of the bearing seat.
Further, the silo equidistance distributes in the outside of delivery wheel, and the silo is provided with threely, and the silo is integrated structure with the delivery wheel simultaneously to the discharge gate distributes with the perpendicular form of delivery wheel.
Furthermore, the outer side of the heating pipe is attached to the inner side of the preheating pipe, the heating pipe is connected with the preheating pipe in an embedded mode, and the heating bin is communicated with the powder bin through the preheating pipe.
Further, the vibration material disk subassembly includes the drive pneumatic cylinder, links up support plate, limit slide block, spacing slide rail, trades the inflator, settles piece, laser nozzle, infrared sensor, intake pipe, blast pipe and a purification section of thick bamboo, and the lower extreme that drives the pneumatic cylinder is connected with and links up the support plate, the both sides that link up the support plate are provided with limit slide block, and limit slide block's inboard is connected with spacing slide rail, the lower extreme middle part that links up the support plate is connected with trades the inflator, and the lower extreme of a section of thick bamboo of taking a breath is connected with settles the piece, the lower extreme central point of settling the piece puts and settles laser nozzle, and the lower extreme both sides of settling the piece are provided with infrared sensor, the right side of trading the inflator is connected with the intake pipe, and the left side of a section of taking a breath section of thick bamboo is connected with the blast pipe, the other end of blast pipe is connected with a purification section of thick bamboo.
Furthermore, the section of thick bamboo of taking a breath is vertical form with linking up the support plate and distributes, and the section of thick bamboo of taking a breath is through linking up sliding connection between support plate, limiting slide and the limiting slide rail.
Furthermore, the vertical central axis of the laser nozzle coincides with the vertical central axis of the mounting block, and two infrared sensors are symmetrically arranged on the vertical central axis of the mounting block.
Further, the bearing assembly comprises a Y-axis driving frame, an X-axis driving frame, a clamping cylinder, a limiting clamping block and a rubber layer, the upper end of the Y-axis driving frame is connected with the X-axis driving frame, the inner side of the X-axis driving frame is connected with the clamping frame, the clamping cylinder is arranged on two sides of the clamping frame in a penetrating mode, one end of the clamping cylinder is connected with the limiting clamping block, and the rubber layer is arranged on the inner wall of the limiting clamping block.
Furthermore, the clamping frame and the X-axis driving frame are distributed in a horizontal shape, two limiting clamping blocks are symmetrically arranged at the center of the clamping frame, and the rubber layer is connected with the limiting clamping blocks in an embedded mode.
Further, cooling module includes coolant tank, cooling cylinder, cooling carrier block, hot-water tank, force pump and atomizer, and coolant tank's inside four corners is provided with cooling cylinder, cooling cylinder's upper end is connected with the cooling carrier block, coolant tank's outside both sides are provided with the hot-water tank, and settle on one side of the upper end of hot-water tank has the force pump, upper end one side of force pump is connected with the atomizer.
Further, cooling hydraulic cylinder equidistance distributes in the lower extreme four corners of cooling carrier block, and the cooling carrier block is dredged the poroid structure to the outside size of cooling carrier block is less than cooling water tank's inboard size.
The invention provides a device for improving the utilization rate of powder produced by additive manufacturing of lower powder feeding metal, which has the following beneficial effects: the device for improving the utilization rate of the powder for the additive manufacturing of the metal powder under the condition of improving the utilization rate of the powder feeding metal additive manufacturing powder fully utilizes the additive work of the powder on the metal material through the mutual matching of a plurality of components, avoids the condition that the powder is wasted due to insufficient utilization and affects the additive quality of the metal material, effectively ensures the stability of the powder spraying process of the metal additive, can monitor the actual condition of the additive in real time in the additive process of the metal material, ensures the additive amount, avoids the condition of invalid processing, can quickly cool the metal material after additive manufacturing, avoids the condition that the additive part cracks in the cooling process, can filter waste gas generated in the heating process of the metal powder, avoids the condition of polluting the environment and ensures the actual use effect of the device for improving the utilization rate of the metal additive manufacturing powder;
1. according to the invention, the feeding wheel which is connected to the middle part of the inner side of the powder bin is matched and rotated through the material groove arranged on the outer side of the feeding wheel, so that the feeding wheel can feed metal powder placed in the powder bin quantitatively and timely under the condition of clockwise or anticlockwise rotation, the situation that the metal powder cannot be fully utilized due to too fast feeding of the metal powder and even the device is blocked is effectively avoided, the working continuity and effectiveness of the device for metal additive manufacturing powder utilization rate are ensured, meanwhile, the position accuracy between the discharge port and the feeding wheel which are vertically distributed can be ensured, the accuracy of the metal powder entering the interior of the preheating pipe is ensured, and meanwhile, the feeding wheel can be correspondingly replaced according to the requirement of actual feeding amount.
2. According to the invention, through the heating pipe arranged in the preheating pipe, preheating operation before material increase can be carried out on metal powder entering the preheating pipe through the discharge port, and the metal powder can be heated in a matched manner by the heating bin connected to the lower end of the preheating pipe, so that the metal powder can be completely heated, the metal powder utilization rate is ensured, and the quality effect of metal material increase is improved.
3. According to the invention, the position accuracy can be ensured through the air exchange cylinder and the connecting support plate which are vertically distributed, the limiting slide blocks arranged on two sides of the connecting support plate are matched with the limiting slide rails arranged inside two sides of the limiting frame body, so that the connecting support plate can keep moving up and down in a vertical straight line position under the driving of the driving hydraulic cylinder, the position accuracy between the laser nozzle and a metal material in the metal additive powder spraying process is ensured, the air inlet pipe on the right side of the air exchange cylinder is arranged, the air pressure can be applied in the metal powder spraying process of the laser nozzle, the metal powder spraying effect is improved, the air exchange and purification can be carried out through the matching of the exhaust pipe and the purification cylinder arranged on the left side of the air exchange cylinder, the environmental protection property of the device is ensured, and the actual position of the laser nozzle in the metal powder spraying process can be monitored through the infrared sensor.
4. According to the invention, a good bearing effect can be achieved on a metal material through the bearing component arranged in the middle of the upper end of the bearing seat, metal additive machining of the metal material is assisted by the additive component, the metal material placed in the clamping frame can be effectively clamped by the limiting clamping block through the clamping frame and the limiting clamping block which are matched with the driving of the clamping cylinder, the friction force between the limiting clamping block and the metal material is effectively improved through the matching of the rubber layer arranged on the inner side of the limiting clamping block, the stability of the metal material in the additive powder spraying process is further ensured, and the metal material can move on the linear positions of the X axis and the Y axis of the metal material clamped in the clamping frame through the Y axis driving frame and the X axis driving frame.
5. The cooling assembly arranged on the inner side of the bearing seat can cool the metal material subjected to additive machining, the cooling hydraulic cylinders arranged at four corners in the cooling water tank can drive the cooling bearing block to vertically and linearly move up and down, so that the cooling bearing block can bear the metal material subjected to additive machining, when the metal material borne by the cooling bearing block descends to the upper end of the cooling water tank, the atomizing spray head is driven by the pressure pump to pre-cool the metal material with hot water, and the cooling bearing block is driven by the cooling hydraulic cylinders to descend to the inside of the cooling water tank to be cooled after pre-cooling is completed, so that the metal material is prevented from directly entering cold water to be cooled and cracking occurs, and the quality of the metal material is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of an apparatus for increasing the utilization rate of additive manufacturing powder of bottom feeding metal according to the present invention;
FIG. 2 is a schematic view of a feeding assembly of the apparatus for increasing the utilization of additive manufacturing powder of bottom feeding metal of the present invention;
FIG. 3 is a schematic structural diagram of an additive package of an apparatus for increasing the utilization of additive manufacturing powder for bottom feeding metal in accordance with the present invention;
FIG. 4 is a schematic top view of a carrier assembly of an apparatus for increasing the utilization of additive manufacturing powder in a bottom feeding metal of the present invention;
FIG. 5 is a schematic top view of a cooling carrier block of an apparatus for increasing the utilization of additive manufacturing powder in a bottom feeding metal of the present invention;
FIG. 6 is an enlarged schematic structural diagram of a portion A in FIG. 1 of an apparatus for increasing the utilization rate of additive manufacturing powder of bottom feeding metal in accordance with the present invention;
fig. 7 is an enlarged schematic structural diagram of a portion B in fig. 4 of an apparatus for improving the utilization rate of powder in additive manufacturing of bottom feeding metal according to the present invention.
In the figure: 1. a bearing seat; 2. a limiting frame body; 3. a feeding assembly; 301. a feed powder bin; 302. a feed wheel; 303. a trough; 304. a discharge port; 305. a preheating pipe; 306. heating a tube; 307. a heating chamber; 308. a heating block; 4. an additive package; 401. driving the hydraulic cylinder; 402. connecting the support plate; 403. a limiting slide block; 404. a limiting slide rail; 405. exchanging the air cylinder; 406. a mounting block; 407. a laser nozzle; 408. an infrared sensor; 409. an air inlet pipe; 4010. an exhaust pipe; 4011. a purification cartridge; 5. a load bearing assembly; 501. a Y-axis drive frame; 502. an X-axis drive frame; 503. a clamping frame; 504. a clamping cylinder; 505. a limiting clamping block; 506. a rubber layer; 6. a cooling assembly; 601. a cooling water tank; 602. cooling the hydraulic cylinder; 603. cooling the bearing block; 604. a hot water tank; 605. a pressure pump; 606. an atomizing spray head.
Detailed Description
Referring to fig. 1-7, the present invention provides a technical solution: a device for improving the utilization rate of powder manufactured by metal additive under lower powder feeding comprises a bearing seat 1 and a feeding assembly 3, wherein a limit frame body 2 is arranged at the position, close to the edge, of the upper end of the bearing seat 1, the feeding assembly 3 for feeding powder is arranged in the middle of the upper end of the limit frame body 2, the feeding assembly 3 comprises a powder bin 301, a feeding wheel 302, a trough 303, a discharge hole 304, a preheating pipe 305, a heating pipe 306, a heating bin 307 and a heating block 308, the feeding wheel 302 is arranged in the middle of the inner side of the powder bin 301, the trough 303 is arranged on the outer side of the feeding wheel 302, the discharge hole 304 is arranged in the middle of the lower end of the powder bin 301, the preheating pipe 305 is connected to the lower end of the discharge hole 304, the heating pipe 306 is arranged on the inner wall of the preheating pipe 305, the heating bin 307 is connected to the lower end of the preheating pipe 305, the heating block 308 is arranged on the outer side of the heating bin 307, the material increasing assembly 4 for metal additive is connected to the lower end of the feeding assembly 3, the middle part of the upper end of the bearing seat 1 is provided with a bearing component 5 for bearing the metal material, and the inner side of the bearing seat 1 is provided with a cooling component 6 for cooling the metal material;
the operation is as follows, a trough 303 arranged at the outer side of a feeding wheel 302 is matched with the feeding wheel 302 which is connected to the middle part of the inner side of a powder bin 301 in a rotating mode, so that under the condition that the feeding wheel 302 rotates clockwise or anticlockwise, the metal powder placed in the powder bin 301 can be fed quantitatively and timely, the situation that the metal powder cannot be fully utilized due to too fast feeding of the metal powder and even the device is blocked is effectively avoided, the working continuity and effectiveness of the device for ensuring the utilization rate of the metal additive manufacturing powder are ensured, meanwhile, a discharge port 304 and the feeding wheel 302 which are vertically distributed can ensure the position accuracy between the feeding wheel 302 and the feeding wheel 302, the accuracy of the metal powder entering the preheating pipe 305 is ensured, and meanwhile, the feeding wheel 302 can be correspondingly replaced according to the requirement of actual feeding amount;
referring to fig. 1-2, the material troughs 303 are equidistantly distributed on the outer side of the feeding wheel 302, three material troughs 303 are arranged, the material troughs 303 and the feeding wheel 302 are integrated, the material outlets 304 are vertically distributed with the feeding wheel 302, the outer side of the heating pipe 306 is attached to the inner side of the preheating pipe 305, the heating pipe 306 is embedded and connected with the preheating pipe 305, and the heating bin 307 is communicated with the powder bin 301 through the preheating pipe 305;
the specific operation is as follows, the heating pipe 306 arranged inside the preheating pipe 305 can perform preheating operation before additive addition on metal powder entering the preheating pipe 305 through the discharge port 304, the heating bin 307 connected to the lower end of the preheating pipe 305 is matched, the metal powder can be heated completely, the utilization rate of the metal powder is ensured, the quality effect of metal material additive is improved, the actual heating effect of the metal powder is ensured to a great extent through a metal powder heating mode of two stages of preheating and heating, meanwhile, the continuity and effectiveness of the metal powder entering the heating bin 307 inside the feed bin 301 can be ensured through the mutually communicated heating bin 307 and feed bin 301, and the condition of material breakage is avoided;
referring to fig. 1 and 3, the additive package 4 includes a driving hydraulic cylinder 401, a joining support plate 402, a limiting slider 403, a limiting slide rail 404, a ventilation cylinder 405, a mounting block 406, a laser nozzle 407, an infrared sensor 408, an air inlet tube 409, an air outlet tube 4010 and a purification cylinder 4011, the lower end of the driving hydraulic cylinder 401 is connected to the joining support plate 402, the limiting slider 403 is disposed on two sides of the joining support plate 402, the limiting slide rail 404 is connected to the inner side of the limiting slider 403, the middle portion of the lower end of the joining support plate 402 is connected to the ventilation cylinder 405, the lower end of the ventilation cylinder 405 is connected to the mounting block 406, the laser nozzle 407 is mounted at the center of the lower end of the mounting block 406, the infrared sensor 408 is disposed on two sides of the lower end of the mounting block 406, the air inlet tube 409 is connected to the right side of the ventilation cylinder 405, the left side of the ventilation cylinder 405 is connected to the air outlet tube 4010, the other end of the air outlet tube 4010 is connected to the purification cylinder 4011, the ventilation cylinder 405 is vertically connected to the support plate 402, the ventilation cylinder 405 is connected with the limiting slide rail 404 through the connection support plate 402 and the limiting slide block 403 in a sliding manner, the vertical central axis of the laser nozzle 407 is coincident with the vertical central axis of the placement block 406, and two infrared sensors 408 are symmetrically arranged about the vertical central axis of the placement block 406;
the specific operation is as follows, the ventilation tube 405 and the connection support plate 402 which are vertically distributed can ensure the accuracy of the positions between them, the limit sliding blocks 403 which are arranged at the two sides of the connection support plate 402 are matched with the limit sliding rails 404 which are arranged at the two sides of the limit frame body 2, so that the engaging carrier plate 402 can keep moving up and down in a vertical straight position under the driving of the driving hydraulic cylinder 401, thereby ensuring the position accuracy between the laser nozzle 407 and the metal material in the process of metal additive powder spraying, and by arranging the air inlet pipe 409 on the right side of the displacement air cylinder 405, can apply air pressure during the metal powder spraying process of the laser nozzle 407, improve the effect of metal powder spraying, and is matched with an exhaust pipe 4010 and a purification cylinder 4011 which are arranged on the left side of the gas exchange cylinder 405, the device can be used for ventilation and purification to ensure the environmental protection property of the device, and the actual position of the laser nozzle 407 in the metal powder spraying process can be monitored through the infrared sensor 408;
referring to fig. 1, 4 and 7, the carrier assembly 5 includes a Y-axis driving frame 501, an X-axis driving frame 502, a clamping frame 503, a clamping cylinder 504, a limiting clamping block 505 and a rubber layer 506, the upper end of the Y-axis driving frame 501 is connected with the X-axis driving frame 502, the inner side of the X-axis driving frame 502 is connected with the clamping frame 503, the clamping cylinder 504 penetrates through two sides of the clamping frame 503, one end of the clamping cylinder 504 is connected with the limiting clamping block 505, the inner wall of the limiting clamping block 505 is provided with a rubber layer 506, the clamping frame 503 and the X-axis driving frame 502 are distributed in a horizontal shape, two limiting clamping blocks 505 are symmetrically arranged about the center position of the clamping frame 503, and the rubber layer 506 is connected with the limiting clamping block 505 in an embedded manner;
the concrete operation is as follows, the bearing component 5 arranged in the middle of the upper end of the bearing seat 1 can play a good bearing effect on metal materials, the additive material component 4 is assisted to carry out metal additive machining, the limiting clamping block 505 can effectively clamp the metal materials placed in the clamping frame 503 through the clamping frame 503 and the limiting clamping block 505 matched with the driving of the clamping cylinder 504, the friction force between the limiting clamping block 505 and the metal materials is effectively improved through the matching of the rubber layer 506 arranged on the inner side of the limiting clamping block 505, the stability of the metal materials in the additive material powder spraying process is further ensured, and the movement of the metal materials clamped in the clamping frame 503 on the linear positions of the X axis and the Y axis can be realized through the Y-axis driving frame 501 and the X-axis driving frame 502;
referring to fig. 1, 5 and 6, the cooling assembly 6 includes a cooling water tank 601, a cooling hydraulic cylinder 602, a cooling carrier block 603, a hot water tank 604, a pressure pump 605 and an atomizer 606, the cooling hydraulic cylinder 602 is disposed at four corners inside the cooling water tank 601, the cooling carrier block 603 is connected to an upper end of the cooling hydraulic cylinder 602, the hot water tank 604 is disposed at two sides outside the cooling water tank 601, the pressure pump 605 is disposed at one side of an upper end of the hot water tank 604, the atomizer 606 is connected to one side of an upper end of the pressure pump 605, the cooling hydraulic cylinders 602 are equidistantly distributed at four corners of a lower end of the cooling carrier block 603, the cooling carrier block 603 is in a porous structure, and an outside dimension of the cooling carrier block 603 is smaller than an inside dimension of the cooling water tank 601;
the concrete operation is as follows, the cooling assembly 6 arranged on the inner side of the bearing seat 1 can cool the metal material subjected to additive processing, the cooling hydraulic cylinders 602 arranged at four corners inside the cooling water tank 601 can drive the cooling bearing block 603 to vertically and linearly move up and down in the position, so that the cooling bearing block 603 can bear the metal material subjected to additive processing, when the cooling bearing block 603 bears the metal material and falls to the upper end of the cooling water tank 601, the atomizing nozzle 606 is driven by the pressure pump 605 to pre-cool the metal material in hot water, the cooling bearing block 603 is driven by the cooling hydraulic cylinders 602 to fall to the inside of the cooling water tank 601 to be cooled after pre-cooling is completed, the situation that the metal material directly enters cold water to be cooled and cracks is generated is avoided, and the quality of metal material additive is ensured.
In summary, when the device for improving the utilization rate of powder for additive metal powder manufacturing is used, firstly, a metal material is placed inside the clamping frame 503, the clamping frame 503 and the limiting clamping block 505 are matched with the driving of the clamping cylinder 504, so that the limiting clamping block 505 can effectively clamp the metal material placed inside the clamping frame 503, the rubber layer 506 arranged inside the limiting clamping block 505 is matched, then the feeding wheel 302 connected to the middle part of the inner side of the powder bin 301 is matched and rotated through the trough 303 arranged outside the feeding wheel 302, so that the metal powder placed in the powder bin 301 can be fed quantitatively and regularly under the condition that the feeding wheel 302 rotates clockwise or anticlockwise, the condition that the metal powder cannot be fully utilized due to too fast feeding of the metal powder is effectively avoided, even the device is blocked, and the continuity and effectiveness of the device for improving the utilization rate of the powder for additive metal powder manufacturing are ensured, the heating pipe 306 arranged inside the preheating pipe 305 can perform preheating operation before metal powder entering the preheating pipe 305 through the discharge port 304 is subjected to additive manufacturing, the heating chamber 307 connected to the lower end of the preheating pipe 305 is matched to heat the metal powder, the metal powder can be heated completely, the metal material additive quality effect is improved while the metal powder utilization rate is ensured, the actual heating effect of the metal powder is ensured to the maximum extent by a metal powder heating mode of two stages of preheating and heating, the metal powder enters the laser nozzle 407, the ventilation cylinder 405 and the linking support plate 402 which are vertically distributed can ensure the accuracy of the position between the two, the limiting sliding blocks 403 arranged at two sides of the linking support plate 402 are matched with the limiting sliding rails 404 arranged inside two sides of the limiting frame body 2, so that the linking support plate 402 can keep moving up and down in a vertical straight line position under the driving of the driving hydraulic cylinder 401, the accuracy of the position between the laser nozzle 407 and a metal material in the metal additive powder spraying process is ensured, the air inlet pipe 409 on the right side of the gas replacement cylinder 405 is arranged, air pressure can be applied in the metal powder spraying process of the laser nozzle 407, the metal powder spraying effect is improved, the air exchange and purification can be realized by matching the exhaust pipe 4010 and the purification cylinder 4011 on the left side of the gas replacement cylinder 405, and the metal material clamped in the clamping frame 503 can move on the linear positions of the X axis and the Y axis through the Y axis driving frame 501 and the X axis driving frame 502;
then through the cooling module 6 that sets up at the inboard of bearing seat 1, can cool off the metal material that accomplishes the vibration material disk, through the cooling hydraulic cylinder 602 that sets up the inside four corners in cooling water tank 601, can drive cooling carrier block 603 and carry out vertical straight line for reciprocating on the position, make cooling carrier block 603 can bear the weight of the metal material that accomplishes the vibration material disk, when cooling carrier block 603 bears the weight of metal material and descends to cooling water tank 601 upper end, carry out hydrothermal precooling through force pump 605 drive atomizer 606 to the metal material, rethread cooling hydraulic cylinder 602 drives cooling carrier block 603 and descends to cooling water tank 601 inside and cools off after accomplishing the precooling.

Claims (10)

1. The device for improving the utilization rate of powder manufactured by a lower powder feeding metal additive is characterized by comprising a bearing seat (1) and a feeding assembly (3), wherein a limiting frame body (2) is arranged at the position, close to the edge, of the upper end of the bearing seat (1), the feeding assembly (3) used for feeding powder is arranged in the middle of the upper end of the limiting frame body (2), the feeding assembly (3) comprises a powder bin (301), a feeding wheel (302), a material groove (303), a material outlet (304), a preheating pipe (305), a heating pipe (306), a heating bin (307) and a heating block (308), the feeding wheel (302) is arranged in the middle of the inner side of the powder bin (301), the material groove (303) is formed in the outer side of the feeding wheel (302), the material outlet (304) is formed in the middle of the lower end of the powder bin (301), the preheating pipe (305) is connected to the lower end of the material outlet (304), and the heating pipe (306) is arranged on the inner wall of the preheating pipe (305), the lower end of the preheating pipe (305) is connected with a heating bin (307), a heating block (308) is arranged on the outer side of the heating bin (307), the lower end of the feeding component (3) is connected with a material increasing component (4) for metal material increasing, a bearing component (5) for bearing metal materials is arranged in the middle of the upper end of the bearing seat (1), and a cooling component (6) for cooling the metal materials is arranged on the inner side of the bearing seat (1).
2. The device for improving the utilization rate of the bottom feeding powder metal additive manufacturing powder according to claim 1, wherein the material grooves (303) are equidistantly distributed on the outer side of the feeding wheel (302), three material grooves (303) are arranged, the material grooves (303) and the feeding wheel (302) are in an integrated structure, and the discharge holes (304) are vertically distributed with the feeding wheel (302).
3. The device for improving the utilization rate of the bottom feeding powder metal additive manufacturing powder according to the claim 1, characterized in that the outer side of the heating tube (306) is attached to the inner side of the preheating tube (305), the heating tube (306) is connected with the preheating tube (305) in an embedding manner, and the heating bin (307) is communicated with the powder bin (301) through the preheating tube (305).
4. The device for improving the utilization rate of bottom feed metal additive manufacturing powder according to claim 1, wherein the additive assembly (4) comprises a driving hydraulic cylinder (401), an engaging support plate (402), a limiting slide block (403), a limiting slide rail (404), a gas exchange cylinder (405), a placing block (406), a laser nozzle (407), an infrared sensor (408), a gas inlet pipe (409), a gas outlet pipe (4010) and a purifying cylinder (4011), the lower end of the driving hydraulic cylinder (401) is connected with the engaging support plate (402), the limiting slide block (403) is arranged on two sides of the engaging support plate (402), the limiting slide rail (404) is connected on the inner side of the limiting slide block (403), the gas exchange cylinder (405) is connected in the middle of the lower end of the engaging support plate (402), the placing block (406) is connected on the lower end of the gas exchange cylinder (405), the laser nozzle (407) is placed in the center position of the lower end of the placing block (406), and the lower extreme both sides of settling block (406) are provided with infrared sensor (408), the right side of gas exchange tube (405) is connected with intake pipe (409), and the left side of gas exchange tube (405) is connected with blast pipe (4010), the other end of blast pipe (4010) is connected with purifying barrel (4011).
5. The device for improving the utilization rate of the bottom feeding powder metal additive manufacturing powder according to claim 4, wherein the gas exchange cylinder (405) is vertically distributed with the connecting support plate (402), and the gas exchange cylinder (405) is slidably connected with the limiting slide rail (404) through the connecting support plate (402), the limiting slide block (403).
6. The device for improving the utilization rate of bottom feeding metal additive manufacturing powder according to claim 4, wherein the vertical central axis of the laser nozzle (407) coincides with the vertical central axis of the placement block (406), and two infrared sensors (408) are symmetrically arranged about the vertical central axis of the placement block (406).
7. The device for improving the utilization rate of powder feeding metal additive manufacturing powder according to claim 1, wherein the bearing assembly (5) comprises a Y-axis driving frame (501), an X-axis driving frame (502), a clamping frame (503), a clamping cylinder (504), a limiting clamping block (505) and a rubber layer (506), the upper end of the Y-axis driving frame (501) is connected with the X-axis driving frame (502), the clamping frame (503) is connected to the inner side of the X-axis driving frame (502), the clamping cylinder (504) penetrates through two sides of the clamping frame (503), one end of the clamping cylinder (504) is connected with the limiting clamping block (505), and the rubber layer (506) is arranged on the inner wall of the limiting clamping block (505).
8. The device for improving the utilization rate of the bottom feeding powder metal additive manufacturing powder according to claim 7, wherein the clamping frame (503) and the X-axis driving frame (502) are distributed in a horizontal shape, two limiting clamping blocks (505) are symmetrically arranged about the center position of the clamping frame (503), and the rubber layer (506) is connected with the limiting clamping blocks (505) in an embedded mode.
9. The device for improving the utilization rate of bottom feeding powder metal additive manufacturing powder according to claim 1, wherein the cooling assembly (6) comprises a cooling water tank (601), a cooling hydraulic cylinder (602), a cooling bearing block (603), a hot water tank (604), a pressure pump (605) and an atomizing nozzle (606), the cooling hydraulic cylinder (602) is arranged at four corners inside the cooling water tank (601), the cooling bearing block (603) is connected to the upper end of the cooling hydraulic cylinder (602), the hot water tank (604) is arranged on two sides outside the cooling water tank (601), the pressure pump (605) is arranged on one side of the upper end of the hot water tank (604), and the atomizing nozzle (606) is connected to one side of the upper end of the pressure pump (605).
10. The device for improving the utilization rate of bottom feeding powder metal additive manufacturing powder according to claim 9, wherein the cooling hydraulic cylinders (602) are equidistantly distributed at four corners of the lower end of the cooling bearing block (603), the cooling bearing block (603) is of a sparse hole structure, and the outer dimension of the cooling bearing block (603) is smaller than the inner dimension of the cooling water tank (601).
CN202210713303.2A 2022-06-22 2022-06-22 Device for improving utilization rate of powder in additive manufacturing of lower powder feeding metal Pending CN115055700A (en)

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CN105562689A (en) * 2015-11-26 2016-05-11 阳江市五金刀剪产业技术研究院 Bothway powder paving powder based additive material manufacturing device and powder paving method thereof
CN106132597A (en) * 2014-03-31 2016-11-16 三菱重工业株式会社 Three-dimensional laminated device
CN108381176A (en) * 2018-04-23 2018-08-10 广东大族粤铭激光集团股份有限公司 A kind of coaxial powder-feeding increase and decrease material combined shaper and processing method with external axis
CN108788150A (en) * 2018-06-28 2018-11-13 广西富乐科技有限责任公司 A kind of selective laser thawing metal 3D printing preheating power spreading device
CN208593057U (en) * 2018-06-01 2019-03-12 南昌卓高塑胶制品有限公司 A kind of plastic processing cooler
CN110328366A (en) * 2019-07-22 2019-10-15 南京工程学院 A kind of Table top type increase and decrease material composite printing manufacturing equipment
CN113751873A (en) * 2021-10-13 2021-12-07 苏州派富特智能制造科技有限公司 Automatic change radium-shine welding equipment of high accuracy laser of equipment
CN114012400A (en) * 2021-12-29 2022-02-08 曾武 Assembling device capable of accurately positioning and facilitating feeding for machining fasteners

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106132597A (en) * 2014-03-31 2016-11-16 三菱重工业株式会社 Three-dimensional laminated device
CN105562689A (en) * 2015-11-26 2016-05-11 阳江市五金刀剪产业技术研究院 Bothway powder paving powder based additive material manufacturing device and powder paving method thereof
CN108381176A (en) * 2018-04-23 2018-08-10 广东大族粤铭激光集团股份有限公司 A kind of coaxial powder-feeding increase and decrease material combined shaper and processing method with external axis
CN208593057U (en) * 2018-06-01 2019-03-12 南昌卓高塑胶制品有限公司 A kind of plastic processing cooler
CN108788150A (en) * 2018-06-28 2018-11-13 广西富乐科技有限责任公司 A kind of selective laser thawing metal 3D printing preheating power spreading device
CN110328366A (en) * 2019-07-22 2019-10-15 南京工程学院 A kind of Table top type increase and decrease material composite printing manufacturing equipment
CN113751873A (en) * 2021-10-13 2021-12-07 苏州派富特智能制造科技有限公司 Automatic change radium-shine welding equipment of high accuracy laser of equipment
CN114012400A (en) * 2021-12-29 2022-02-08 曾武 Assembling device capable of accurately positioning and facilitating feeding for machining fasteners

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