CN108326303B - Selective laser melting rapid prototyping powder paving device - Google Patents

Selective laser melting rapid prototyping powder paving device Download PDF

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Publication number
CN108326303B
CN108326303B CN201810176592.0A CN201810176592A CN108326303B CN 108326303 B CN108326303 B CN 108326303B CN 201810176592 A CN201810176592 A CN 201810176592A CN 108326303 B CN108326303 B CN 108326303B
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China
Prior art keywords
electric telescopic
plate
laser melting
rapid prototyping
storage box
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CN201810176592.0A
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Chinese (zh)
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CN108326303A (en
Inventor
胡二军
卢雪源
梁刘彬
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Wenext Technology Co ltd
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Wenext Technology Co ltd
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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
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • 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
    • B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
    • 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
    • B22F12/60—Planarisation devices; Compression devices
    • 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
    • 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
    • B22F10/70—Recycling
    • B22F10/73—Recycling of powder
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

The invention discloses a selective laser melting rapid forming powder spreading device which comprises a bottom plate, wherein a support frame is arranged in the middle of the upper surface of the bottom plate, a PLC (programmable logic controller) is arranged on the outer side surface of a fixed block of the support frame, a sliding groove is formed in the side surface of a supporting plate of the support frame, a transverse moving device is arranged inside the sliding groove, a fixing device is arranged on the lower surface of a sliding block of the transverse moving device, a fixing plate of the fixing device is fixedly connected with the sliding block, and a positioning plate is arranged. This powder device is spread to selectivity laser melting rapid prototyping drives the transmitting probe of laser instrument through first step motor and first screw rod to can drive depositing the case through second step motor and second screw rod, can effectively improve the machining precision of work piece, and can tile metal powder to the inside of depositing the case through third electric telescopic handle and second push pedal, the machine-shaping of the work piece of being convenient for, easy operation, convenient to use.

Description

Selective laser melting rapid prototyping powder paving device
Technical Field
The invention relates to the technical field of machining, in particular to a selective laser melting rapid forming powder laying device.
Background
The selective laser melting is a technology of forming by completely melting metal powder under the heat action of a laser beam and cooling and solidifying, the metal powder is completely melted under the action of high laser energy density, and can be welded with solid metal metallurgy after heat dissipation and cooling.
Disclosure of Invention
The invention aims to overcome the existing defects and provides a selective laser melting rapid forming powder spreading device, which can effectively improve the processing precision of a workpiece through a first stepping motor and a second stepping motor, can also spread metal powder into a storage box through a third electric telescopic rod and a second push plate, is convenient for processing and forming the workpiece, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a selective laser melting rapid forming powder spreading device comprises a bottom plate, wherein a support frame is arranged in the middle of the upper surface of the bottom plate, a PLC (programmable logic controller) is arranged on the outer side surface of a fixed block of the support frame, a sliding groove is formed in the side surface of a supporting plate of the support frame, a transverse moving device is arranged inside the sliding groove, a fixing device is arranged on the lower surface of a sliding block of the transverse moving device, a fixed plate of the fixing device is fixedly connected with the sliding block, a positioning plate is arranged in the middle of the lower surface of the fixed plate, two guide rods perpendicular to the sliding groove are arranged on the upper surface of the bottom plate, a storage device is arranged at the upper end of the side surface of each guide rod, a driving device is arranged at the lower end of each storage device, a second screw rod of each driving device is connected with a vertical plate, the vertical plates are fixedly connected with, and drive arrangement's front end right side is equipped with the storage box, the left surface upper end of storage box is equipped with the rectangular hole, and the storage box is equipped with the third electric telescopic handle that two symmetries set up with the right flank upper end that the rectangular hole corresponds, and the storage box is connected with third electric telescopic handle's stiff end, third electric telescopic handle's flexible end is equipped with the second push pedal, first ultrasonic ranging appearance is connected with the two-way electricity of PLC controller, and third electric telescopic handle's input is connected with the output electricity of PLC controller, and the input of PLC controller is connected with external power source's output electricity.
As a preferred technical solution of the present invention, the support frame includes a first electric telescopic rod, a telescopic end of the first electric telescopic rod is fixedly connected to an upper surface of the bottom plate, a fixed end of the first electric telescopic rod is located inside the fixed block, an upper surface of the fixed block is fixedly connected to a lower surface of the support plate, and an input end of the first electric telescopic rod is electrically connected to an output end of the PLC controller.
As a preferred technical solution of the present invention, the lateral moving device includes a slider, the slider is slidably connected to the chute, a screw hole is formed in a side surface of the slider, the slider is in threaded connection with a side surface of the first screw rod through the screw hole, both ends of the side surface of the first screw rod are rotatably connected to the support plate through the second bearing, a right end of the first screw rod is fixedly connected to an output shaft of the first stepping motor through the first coupling, the first stepping motor is fixedly connected to the fixed block on the right side through the first fixing seat, and an input end of the first stepping motor is electrically connected to an output end of the PLC controller.
As a preferred technical scheme of the invention, the fixing device comprises a fixing plate, the fixing plate is fixedly connected with the lower surface of the sliding block, a clamping piece is arranged on the side surface of the fixing plate, and a fastening bolt is arranged on the side surface of the clamping piece.
As a preferable technical scheme, the storage device comprises a storage box, a fixing piece is arranged in the middle of the lower surface of the storage box, a cylindrical nut is arranged inside the fixing piece and is in threaded connection with the second screw rod, two symmetrically-arranged positioning sleeves are arranged on the lower surface of the storage box, and the positioning sleeves are movably clamped with the guide rod.
As a preferred technical scheme of the invention, the driving device comprises a second screw, both ends of the side surface of the second screw are rotatably connected with the vertical plate through first bearings, the front end of the second screw is fixedly connected with an output shaft of a second stepping motor through a second coupler, the second stepping motor is fixedly connected with the bottom plate through a second fixing seat, and the input end of the second stepping motor is electrically connected with the output end of the PLC controller.
As a preferred technical scheme of the present invention, a second ultrasonic distance meter is disposed on an inner side surface of the fixing block corresponding to the positioning plate, and the second ultrasonic distance meter is electrically connected to the PLC controller in a bidirectional manner.
As a preferable technical scheme of the invention, four second electric telescopic rods are uniformly distributed in the storage box, the fixed end of each second electric telescopic rod is fixedly connected with the lower end face in the storage box, the telescopic end of each second electric telescopic rod is provided with a first push plate, and the first push plate is connected with the storage box in a sliding manner.
As a preferable technical scheme of the invention, the number of the first electric telescopic rods is four, and two groups of the four first electric telescopic rods are uniformly positioned on the lower surfaces of the two fixed blocks respectively.
As a preferable technical scheme of the invention, the upper surface of the bottom plate is provided with four mounting holes, and the four mounting holes are distributed on the upper surface of the bottom plate in a rectangular shape.
Compared with the prior art, the invention has the beneficial effects that: the selective laser melting rapid forming powder spreading device can adjust the heights of the transverse moving device and the fixing device through the first electric telescopic rod, and is convenient for forming and processing workpieces; the first screw rod can be driven to rotate by the first servo motor, so that the sliding block is driven to move, and the emission probe can move conveniently; the emission probe of the laser can be fixed through the clamping piece with the fastening bolt, so that the metal powder can be conveniently melted; the metal powder is conveniently laid and stored, so that the metal powder is melted into a metal workpiece; the second screw rod can be driven to rotate by the second stepping motor, so that the storage box moves back and forth, and the metal milled powder can be conveniently melted; the position of the sliding block can be detected through the second ultrasonic range finder; the first push plate can be pushed to move upwards through the second electric telescopic rod, so that the metal powder is pushed; the stability of the supporting frame can be improved, and the stable work of the whole device is facilitated; the bottom plate can be fixedly installed through the installation hole; whole device drives the transmitting probe of laser instrument through first step motor and first screw rod to can drive depositing the case through second step motor and second screw rod, can effectively improve the machining precision of work piece, and can tile metal powder to the inside of depositing the case through third electric telescopic handle and second push pedal, the machine-shaping of the work piece of being convenient for, easy operation, convenient to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure A of the present invention;
FIG. 3 is a right-view schematic diagram of the structure of the present invention.
In the figure: 1 bottom plate, 2 mounting holes, 3 support frames, 31 first electric telescopic rod, 32 fixed blocks, 33 support plates, 4 sliding grooves, 5 transverse moving devices, 51 first screw rods, 52 sliding blocks, 53 first couplers, 54 first stepping motors, 55 first fixed seats, 6 fixed devices, 61 fixed plates, 62 clamping pieces, 63 fastening bolts, 7 storage devices, 71 storage boxes, 72 positioning sleeves, 73 fixed pieces, 74 cylindrical nuts, 8 driving devices, 81 second screw rods, 82 second couplers, 83 second stepping motors, 84 second fixed seats, 9 vertical plates, 91 first bearings, 10 guide rods, 11 first ultrasonic distance meters, 12 second ultrasonic distance meters, 13 positioning plates, 14 storage boxes, 15 second electric telescopic rods, 16 first push plates, 17 third electric telescopic rods, 18 second push plates, 19 recovery boxes, 20 second bearings and 21PLC controllers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a selective laser melting rapid forming powder spreading device comprises a bottom plate 1, wherein the upper surface of the bottom plate 1 is provided with four mounting holes 2, the four mounting holes 2 are distributed on the upper surface of the bottom plate 1 in a rectangular shape, the bottom plate 1 can be fixedly mounted through the mounting holes 2, the middle part of the upper surface of the bottom plate 1 is provided with a support frame 3, the support frame 3 comprises a first electric telescopic rod 31, the telescopic end of the first electric telescopic rod 31 is fixedly connected with the upper surface of the bottom plate 1, the fixed end of the first electric telescopic rod 31 is positioned inside a fixed block 32, the upper surface of the fixed block 32 is fixedly connected with the lower surface of a support plate 33, the input end of the first electric telescopic rod 31 is electrically connected with the output end of a PLC (programmable logic controller) 21, the first electric telescopic rod 31 is controlled to be telescopic through the PLC (programmable logic controller) 21, the first electric telescopic rod 31 drives the support plate 33 to move up and down, the heights of a, the forming and processing of workpieces are facilitated, four first electric telescopic rods 31 are provided, two groups of four first electric telescopic rods 31 are uniformly and respectively arranged on the lower surfaces of two fixed blocks 32, the stability of the support frame 3 can be improved, the stable work of the whole device is facilitated, a PLC (programmable logic controller) 21 is arranged on the outer side surfaces of the fixed blocks 32 of the support frame 3, a sliding groove 4 is arranged on the side surface of a supporting plate 33 of the support frame 3, a transverse moving device 5 is arranged inside the sliding groove 4, the transverse moving device 5 comprises a sliding block 52, the sliding block 52 is in sliding connection with the sliding groove 4, a screw hole is arranged on the side surface of the sliding block 52, the sliding block 52 is in threaded connection with the side surface of a first screw rod 51 through the screw hole, two ends of the side surface of the first screw rod 51 are in rotating connection with the supporting plate 33 through a second bearing 20, the right end of the first screw rod 51 is fixedly, the input end of the first stepping motor 54 is electrically connected with the output end of the PLC 21, the first screw 51 can be driven to rotate by the first servo motor 54, so as to drive the sliding block 52 to move, thereby facilitating the movement of the emission probe, the first stepping motor 54 is controlled to work by the PLC 21, the first stepping motor 54 drives the first screw 51 to rotate by the first coupler 53, the first screw 51 drives the sliding block 52 to move along the direction of the chute 4, the sliding block 52 drives the emission probe to move by the clamping piece 62, the lower surface of the sliding block 52 of the transverse moving device 5 is provided with the fixing device 6, the fixing device 6 comprises a fixing plate 61, the fixing plate 61 is fixedly connected with the lower surface of the sliding block 52, the side surface of the fixing plate 61 is provided with the clamping piece 62, the side surface of the clamping piece 62 is provided with the fastening bolt 63, the emission probe of the laser can be fixed by the clamping piece, the fixing plate 61 of the fixing device 6 is fixedly connected with the sliding block 52, the middle part of the lower surface of the fixing plate 61 is provided with the positioning plate 13, the inner side surface of the fixing block 32 corresponding to the positioning plate 13 is provided with the second ultrasonic distance meter 12, the second ultrasonic distance meter 12 is in bidirectional electric connection with the PLC 21, the PLC 21 controls the second ultrasonic distance meter 12 to work, the position of the sliding block 52 moving can be detected through the second ultrasonic distance meter 12, the upper surface of the bottom plate 1 is provided with two guide rods 10 which are perpendicular to the sliding chute 4 and play a role of supporting the storage box 71, the upper end of the side surface of each guide rod 10 is provided with the storage device 7, the storage device 7 comprises a storage box 71, the middle part of the lower surface of the storage box 71 is provided with the fixing part 73, the cylindrical nut 74 is arranged inside the fixing part 73, the cylindrical nut 74 is in threaded connection with the second screw 81, when the second screw 81 rotates, the, two symmetrically-arranged positioning sleeves 72 are arranged on the lower surface of the storage box 71, the positioning sleeves 72 are movably clamped with the guide rod 10 to facilitate the tiling and storage of metal powder, so that the metal powder is melted into a metal workpiece, the lower end of the storage device 7 is provided with a driving device 8, the driving device 8 comprises a second screw 81, two ends of the side surface of the second screw 81 are rotatably connected with a vertical plate 9 through a first bearing 91, the front end of the second screw 81 is fixedly connected with an output shaft of a second stepping motor 83 through a second coupler 82, the second stepping motor 83 is fixedly connected with the bottom plate 1 through a second fixing seat 84, the input end of the second stepping motor 83 is electrically connected with the output end of the PLC controller 21, the second screw 81 can be driven to rotate through the second stepping motor 83, so that the storage box 71 moves back and forth, so that the melting of metal powder is facilitated, the second stepping motor 83 is controlled to work through the PLC controller 21, the second stepping motor 83 drives the second screw 81 to rotate through the second coupler 82, the second screw 81 drives the storage box 71 to move along the guide rod 10 through the cylindrical nut 74, the second screw 81 of the driving device 8 is connected with the vertical plate 9, the vertical plate 9 is fixedly connected with the upper surface of the bottom plate 1, the upper end of the side surface of the vertical plate 9 is provided with the first ultrasonic distance meter 11, the left side of the front end of the driving device 8 is provided with the recycling box 19 for recycling redundant metal powder, the right side of the front end of the driving device 8 is provided with the storage box 14, four uniformly distributed second electric telescopic rods 15 are arranged inside the storage box 14, the fixed end of each second electric telescopic rod 15 is fixedly connected with the lower end surface inside the storage box 14, the telescopic end of each second electric telescopic rod 15 is provided with the first push plate 16, the first push plate 16 is connected with the storage box 14 in a sliding manner, the first push plate 16 can be pushed, thereby pushing the metal powder, the upper end of the left side surface of the storage box 14 is provided with a rectangular hole, the upper end of the right side surface of the storage box 14 corresponding to the rectangular hole is provided with two third electric telescopic rods 17 which are symmetrically arranged, the storage box 14 is connected with the fixed end of the third electric telescopic rods 17, the telescopic end of the third electric telescopic rods 17 is provided with a second push plate 18, the extension of the second electric telescopic rods 15 is controlled by the PLC 21, the second electric telescopic rods 15 push the metal powder to move upwards by the first push plate 16, then the PLC 21 controls the extension of the third electric telescopic rods 17, the third electric telescopic rods 17 push the second push plate 18 to move, the second push plate 18 pushes the metal powder to the inside of the storage box 71, and the metal powder is flatly laid inside the storage box 71, meanwhile, the second push plate 18 pushes the redundant metal powder to the recycling box 19, the first ultrasonic distance meter 11 is in bidirectional electric connection with the PLC 21, the input end of the third electric telescopic rod 17 is electrically connected with the output end of the PLC controller 21, the modes of the PLC controller 21 controlling the first electric telescopic rod 31, the first stepping motor 54, the second stepping motor 83, the first ultrasonic distance meter 11, the second ultrasonic distance meter 12, the second electric telescopic rod 15 and the third electric telescopic rod 17 are all common methods in the prior art, the input end of the PLC controller 21 is electrically connected with the output end of an external power supply, the whole device drives the transmitting probe of the laser through the first stepping motor 54 and the first screw 51, and can drive the storage box 71 through the second stepping motor 83 and the second screw 81, so that the processing precision of workpieces can be effectively improved, and metal powder can be flatly paved inside the storage box 71 through the third electric telescopic rod 17 and the second push plate 18, so that the processing and the forming of the workpieces are convenient, and the operation is simple, is convenient to use. Novel
When in use: the emitting probe of the laser is clamped with the clamping piece 62, the fastening bolt 63 is rotated to fix the emitting probe, the PLC controller 21 controls the first ultrasonic distance measuring instrument 11 and the second stepping motor 83 to work, the first ultrasonic distance measuring instrument 11 detects the distance between the storage box 71 and the vertical plate 9, the second stepping motor 83 drives the second screw 81 to rotate through the second coupler 82, the second screw 81 drives the storage box 71 to move along the guide rod 10 through the cylindrical nut 74, when the first ultrasonic distance measuring instrument 11 detects that the storage box 71 moves to the position of the storage box 14, the PLC controller 21 controls the second stepping motor 83 to stop working and controls the second electric telescopic rod 15 to extend, the second electric telescopic rod 15 pushes the metal powder to move upwards through the first push plate 16, then the PLC controller 21 controls the third electric telescopic rod 17 to extend, the third electric telescopic rod 17 pushes the second push plate 18 to move, the second push plate 18 pushes metal powder to the inside of the storage box 71, the metal powder is flatly paved in the storage box 71, meanwhile, the second push plate 18 pushes redundant metal powder to the recycling box 19, then the PLC 21 controls the first stepping motor 54, the second stepping motor 83 and the external laser to work, the first stepping motor 54 drives the first screw 51 to rotate through the first coupler 53, the first screw 51 drives the sliding block 52 to move along the direction of the sliding groove 4, the sliding block 52 drives the emission probe to move through the clamping piece 62, the second stepping motor 83 drives the second screw 81 to rotate through the second coupler 82, the second screw 81 drives the storage box 71 to move along the guide rod 10 through the cylindrical nut 74, the storage box 71 melts the metal powder in the moving process, and therefore a workpiece is manufactured.
The invention can adjust the heights of the transverse moving device 5 and the fixing device 6 through the first electric telescopic rod 31, thereby facilitating the forming and processing of workpieces; the first screw 51 can be driven to rotate by the first servo motor 54, so that the slide block 52 is driven to move, and the movement of the emission probe is facilitated; the emission probe of the laser can be fixed by the clamping piece 62 with the fastening bolt 63, so that the metal powder can be conveniently melted; the metal powder is conveniently laid and stored, so that the metal powder is melted into a metal workpiece; the second screw 81 can be driven to rotate by the second stepping motor 83, so that the storage box 71 moves back and forth, and the metal milled powder can be conveniently melted; the position at which the slider 52 moves can be detected by the second ultrasonic range finder 12; the first push plate 16 can be pushed by the second electric telescopic rod 15 to move upwards, so that the metal powder is pushed; the stability of the support frame 3 can be improved, and the stable work of the whole device is facilitated; the bottom plate 1 can be fixedly installed through the installation hole 2; whole device drives the transmitting probe of laser instrument through first step motor 54 and first screw rod 51 to can drive depositing case 71 through second step motor 83 and second screw rod 81, can effectively improve the machining precision of work piece, and can tile the inside of depositing case 71 through third electric telescopic handle 17 and second push pedal 18 with metal powder, the machine-shaping of the work piece of being convenient for, easy operation, convenient to use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a selectivity laser melting rapid prototyping spreads powder device, includes bottom plate (1), its characterized in that: the upper surface middle part of bottom plate (1) is equipped with support frame (3), the fixed block (32) lateral surface of support frame (3) is equipped with PLC controller (21), the backup pad (33) side of support frame (3) is equipped with spout (4), the inside of spout (4) is equipped with lateral shifting device (5), and lateral shifting device's (5) slider (52) lower surface is equipped with fixing device (6), fixed plate (61) and slider (52) fixed connection of fixing device (6), and the lower surface middle part of fixed plate (61) is equipped with locating plate (13), the upper surface of bottom plate (1) is equipped with two guide arms (10) that set up with spout (4) perpendicularly, the side upper end of guide arm (10) is equipped with strorage device (7), the lower extreme of strorage device (7) is equipped with drive arrangement (8), second screw rod (81) and riser (9) of drive arrangement (8) are connected, the vertical plate (9) is fixedly connected with the upper surface of the bottom plate (1), the upper end of the side surface of the vertical plate (9) at the rear end of the second screw (81) is provided with a first ultrasonic range finder (11), the left side of the front end of the driving device (8) is provided with a recycling box (19), the right side of the front end of the driving device (8) is provided with a storage box (14), the upper end of the left side surface of the storage box (14) is provided with a rectangular hole, the upper ends of the right side surfaces of the storage box (14) corresponding to the rectangular hole are provided with two third electric telescopic rods (17) which are symmetrically arranged, the storage box (14) is connected with the fixed ends of the third electric telescopic rods (17), the telescopic end of each third electric telescopic rod (17) is provided with a second push plate (18), the first ultrasonic range finder (11) is electrically connected with the PLC controller (21) in a bidirectional mode, the input end of each third electric telescopic rod (17, the input end of the PLC (21) is electrically connected with the output end of an external power supply.
2. The selective laser melting rapid prototyping powder laying apparatus of claim 1 wherein: support frame (3) include first electric telescopic handle (31), the flexible end of first electric telescopic handle (31) is connected with the upper surface fixed connection of bottom plate (1), and the stiff end of first electric telescopic handle (31) is located the inside of fixed block (32), the upper surface of fixed block (32) is connected with the lower fixed surface of backup pad (33), and the input of first electric telescopic handle (31) is connected with the output electricity of PLC controller (21).
3. The selective laser melting rapid prototyping powder laying apparatus of claim 1 wherein: the transverse moving device (5) comprises a sliding block (52), the sliding block (52) is in sliding connection with a sliding groove (4), a screw hole is formed in the side face of the sliding block (52), the sliding block (52) is in threaded connection with the side face of a first screw rod (51) through the screw hole, two ends of the side face of the first screw rod (51) are rotatably connected with a supporting plate (33) through a second bearing (20), the right end of the first screw rod (51) is fixedly connected with an output shaft of a first stepping motor (54) through a first coupler (53), the first stepping motor (54) is fixedly connected with a fixing block (32) on the right side through a first fixing seat (55), and the input end of the first stepping motor (54) is electrically connected with the output end of a PLC (21).
4. The selective laser melting rapid prototyping powder laying apparatus of claim 1 wherein: the fixing device (6) comprises a fixing plate (61), the fixing plate (61) is fixedly connected with the lower surface of the sliding block (52), a clamping piece (62) is arranged on the side surface of the fixing plate (61), and a fastening bolt (63) is arranged on the side surface of the clamping piece (62).
5. The selective laser melting rapid prototyping powder laying apparatus of claim 1 wherein: storage device (7) are including depositing case (71), the lower surface middle part of depositing case (71) is equipped with mounting (73), the inside of mounting (73) is equipped with cylindricality nut (74), cylindricality nut (74) and second screw rod (81) threaded connection, and the lower surface of depositing case (71) is equipped with two symmetrical positioning sleeve (72) that set up, positioning sleeve (72) and guide arm (10) activity joint.
6. The selective laser melting rapid prototyping powder laying apparatus of claim 1 wherein: drive arrangement (8) include second screw rod (81), the both ends of second screw rod (81) all rotate with riser (9) through first bearing (91) and are connected, the output shaft fixed connection of second shaft coupling (82) and second step motor (83) is passed through to the front end of second screw rod (81), and second step motor (83) pass through second fixing base (84) and bottom plate (1) fixed connection, and the input of second step motor (83) is connected with the output electricity of PLC controller (21).
7. The selective laser melting rapid prototyping powder laying apparatus of claim 2 wherein: the medial surface that fixed block (32) and locating plate (13) correspond is equipped with second ultrasonic ranging appearance (12), second ultrasonic ranging appearance (12) are connected with PLC controller (21) two-way electricity.
8. The selective laser melting rapid prototyping powder laying apparatus of claim 1 wherein: the inside of storage box (14) is equipped with four evenly distributed's second electric telescopic handle (15), terminal surface fixed connection under the stiff end of second electric telescopic handle (15) and the inside of storage box (14), the flexible end of second electric telescopic handle (15) is equipped with first push pedal (16), and first push pedal (16) and storage box (14) sliding connection.
9. The selective laser melting rapid prototyping powder laying apparatus of claim 2 wherein: the number of the first electric telescopic rods (31) is four, and two groups of the four first electric telescopic rods (31) are uniformly arranged on the lower surfaces of the two fixing blocks (32).
10. The selective laser melting rapid prototyping powder laying apparatus of claim 1 wherein: the upper surface of bottom plate (1) is equipped with mounting hole (2), mounting hole (2) have four, and four mounting hole (2) are the rectangle distribution at the upper surface of bottom plate (1).
CN201810176592.0A 2018-03-03 2018-03-03 Selective laser melting rapid prototyping powder paving device Active CN108326303B (en)

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KR20060034848A (en) * 2004-10-20 2006-04-26 학교법인 포항공과대학교 Planarization apparatus for stereo lithography
CN204894154U (en) * 2015-08-25 2015-12-23 钱波 Desk -top ceramic three -dimensional is spouted seal and is taken shape quick -wittedly
CN106476113B (en) * 2015-08-25 2018-09-11 安徽中科镭泰激光科技有限公司 Desk-top ceramics three-dimensional spray printing forming machine and manufacturing process
CN205684905U (en) * 2016-06-23 2016-11-16 深圳市未来工场科技有限公司 A kind of new selective laser melts rapid shaping power spreading device
CN206568557U (en) * 2017-03-13 2017-10-20 东北林业大学 A kind of selective laser forming machine two-way powder laying workbench
CN207028182U (en) * 2017-04-26 2018-02-23 广西慧思通科技有限公司 A kind of SLS printers
CN207028188U (en) * 2017-04-26 2018-02-23 广西慧思通科技有限公司 A kind of efficiently 3DP printers

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