CN114131054A

CN114131054A - Strengthening device and method for selective laser melting additive manufacturing component

Info

Publication number: CN114131054A
Application number: CN202111523464.7A
Authority: CN
Inventors: 方涛; 吴承伟; 汪彦
Original assignee: Huangshan University
Current assignee: Huangshan University
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-03-04

Abstract

The invention discloses a strengthening device and a method for melting additive manufacturing components in a laser selected area, which comprises a control circuit formed by electrically connecting a trigger switch, a power supply, a blower, a rotating motor and an electromagnet assembly through a lead, wherein a magnetic plate, an elastic connecting rod, an electromagnet, a sliding push plate and a cleaning block which are sequentially and fixedly connected are arranged in an extending groove, the cleaning block is provided with a thread groove in which a threaded rod is arranged, the threaded rod is fixedly connected with an impact head and a rotating blade, the threaded rod is rotatably connected with a rotating connecting plate, the rotating connecting plate is fixedly connected with a trigger rod, and the trigger rod is fixedly connected with an electric connecting rod which is matched and connected with two electric connecting plates, the cleaning block and the impact head move in a reciprocating manner, and the scattering and cleaning effects on the condensed metal powder are further improved.

Description

Strengthening device and method for selective laser melting additive manufacturing component

Technical Field

The invention relates to the technical field of additive manufacturing reinforcement, in particular to a reinforcement device and a reinforcement method for a laser selective melting additive manufacturing component.

Background

The selective laser melting technique is a technique of forming by completely melting metal powder under the heat of a laser beam and cooling and solidifying the metal powder. Under the action of high laser energy density, the metal powder is completely melted, and can be welded with solid metal after heat dissipation and cooling. The SLM technology is a rapid prototyping technology for cumulatively forming a three-dimensional entity layer by layer through this process, however, in the selective laser melting process, due to the superimposed heat input, severe tensile stress is generated inside and on the surface of the additive manufacturing component, thereby reducing the service life of the additive manufacturing component.

In the prior art, a strengthening device and a strengthening method for a laser selective melting additive manufacturing component with the publication number of "CN 110116207A" include a forming cylinder and a powder containing cylinder which are located below a platform, a laser probe for laser selective melting and a laser probe for laser shot blasting are arranged above the forming cylinder, and a first bottom plate and a second bottom plate which can slide up and down are respectively arranged in the forming cylinder and the powder containing cylinder, and the laser probe for laser selective melting and the laser probe for laser shot blasting are used for working alternately to strengthen the sheet metal while the laser additive manufacturing is carried out, until the strengthened laser selective melting additive manufacturing component is completed, the internal stress in the component forming process is reduced.

However, the prior art still has major defects, such as: the condensed metal powder adheres to the outer side of the component formed by laser heat treatment, and the metal powder on the outer side of the component is difficult to completely clean only by a powder suction port of a forming cylinder, so that the metal powder completely adheres to the component during subsequent heat treatment, and the form of the final component is deviated.

Disclosure of Invention

The present invention is directed to a strengthening apparatus and method for selective laser melting of an additive manufactured component to solve the above-mentioned problems.

In order to achieve the purpose, the invention provides the following technical scheme:

a strengthening device for a laser selective melting additive manufacturing component comprises a forming platform provided with a forming groove and a powder storage groove, a working box with a laser component, a powder pushing component and a heating component arranged inside is communicated above the forming platform, sleeves are communicated below the forming groove and the powder storage groove, and the forming groove and the powder storage groove are internally provided with a sliding supporting plate which slides up and down, and also comprises a control circuit which is electrically connected with a trigger switch, a power supply, a blower, a rotating motor and an electromagnet assembly through a lead, the blower, the rotating motor and the electromagnet assembly are connected in parallel, the trigger switch is positioned at the lower part of the forming groove and is matched and extruded with the sliding supporting plate, the electromagnet assembly comprises two electromagnets which are arranged in series, one ends of the two electromagnets, which are close to each other, are fixedly connected with an electric connection plate, the air outlet end of the air blower is communicated with the upper part of the forming groove, and the upper part of the forming groove is also communicated with the collecting box through a collecting groove;

the upper part of the forming groove is communicated with an extending groove, a magnetic plate, an elastic connecting rod, an electromagnet, a sliding push plate and a cleaning block which are fixedly connected in sequence are arranged in the extending groove along the direction close to the forming groove, one end of the cleaning block close to the forming groove is provided with a thread groove in which a threaded rod is arranged, and the outer side of the cleaning block is fixedly connected with a plurality of cleaning soft brushes, one end of the threaded rod extending out of the threaded groove is fixedly connected with an impact head, and the rod body of the threaded rod extending out of the threaded groove is fixedly connected with a rotating blade, one end of the threaded rod extending into the threaded groove is rotatably connected with a rotating connecting plate, an elastic sleeve is fixedly connected between the rotating connecting plate and the inner wall of the threaded groove, the rotating connecting plate is fixedly connected with a trigger rod which extends to the position between the two electric connecting plates in a sliding manner, and one end of the trigger rod, which is far away from the rotating connecting plate, is fixedly connected with an electric connecting rod which is connected with the two electric connecting plates in a matching manner;

the baffle assembly is arranged in the baffle groove in a sliding mode, the baffle assembly is fixedly connected with a transmission toothed plate, the transmission toothed plate is connected with a transmission gear in a meshing mode, an elastic reset connecting rod is fixedly connected between the transmission toothed plate and the inner wall of the baffle groove, and the transmission gear is fixedly connected with a motor driving rod arranged at the output end of the rotating motor.

Preferably, the laser assembly includes a laser probe for selective laser melting and a laser probe for laser peening above the forming trough.

Preferably, push away the powder subassembly including installing the electric jar actuating lever at the drive electric jar output, and the one end fixedly connected with that the electric jar actuating lever stretches into the work box slides and sets up the powder board that pushes away in the platform top that takes shape.

Preferably, the heating assembly includes a preheating plate and a heater disposed in the work box, and the preheating plate is fixedly coupled above the sliding blade located in the forming groove.

Preferably, the bottom areas of the forming groove and the powder storage groove are the same, the lower ends of the two sliding support plates are fixedly connected with toothed plates, and a gear is meshed between the two toothed plates.

Preferably, the trigger switch sets up extrusion head, slip electricity piece and fixed electricity piece that connects including the interval in proper order, the sleeve is close to one side lower part of shaping groove and is offered the extrusion head sliding tray that slides and set up the extrusion head, and fixedly connected with elasticity ejector pad between extrusion head and extrusion head sliding tray inner wall, extrusion head and slip electricity fixedly connected with switch push rod between the piece, the activity is provided with the cooperation and blocks the fixture block that slip electricity piece in the sleeve, and fixedly connected with fixture block elastic connecting rod between fixture block and sleeve inner wall, and fixture block fixedly connected with activity stretches out telescopic fixture block pull rod.

Preferably, the baffle assembly comprises two baffles, and one ends of the two baffles, which are far away from each other, are fixedly connected with transmission toothed plates meshed with the transmission gears.

Preferably, a plurality of adjacent baffle grooves are communicated, the transmission toothed plates which are close to each other on the adjacent baffle assemblies share one transmission gear, and the baffles are provided with slots for the transmission toothed plates of the adjacent baffle assemblies to be movably inserted into.

Preferably, the inner wall of one end of the extending groove close to the forming groove is fixedly connected with a limit baffle plate which is matched with and used for blocking the sliding push plate.

A method of reinforcement using a reinforcement device, comprising the steps of:

a, placing metal powder into a powder storage tank, upwards pushing a sliding supporting plate in the powder storage tank, downwards pushing the sliding supporting plate in a forming tank, sending the metal powder into the forming tank by a powder pushing assembly, reversely sliding and resetting, and sending laser to the metal powder in the forming tank by a laser assembly to enable the metal powder to form sheet metal;

b, repeating the step A until the selective laser melting additive manufacturing component is processed, enabling a sliding supporting plate in the forming groove to extrude and trigger a switch to be closed, rotating a motor to drive a baffle plate assembly to not block the forming groove, enabling a cleaning block to stretch out to clean the component, enabling an impact head to reciprocate to impact the component, and blowing air out by a blower to blow metal powder in the forming groove into a collecting box;

c, pushing the sliding support plate in the powder storage groove downwards and pushing the sliding support plate in the forming groove upwards, and cleaning each part of the component sequentially through a cleaning block;

d, manually disconnecting the trigger switch until the movable supporting plate is reset to the initial position, and performing heat treatment on the component by the heating component.

Compared with the prior art, the invention has the beneficial effects that:

the invention relates to a strengthening device and a strengthening method for a laser selective melting additive manufacturing component, wherein a trigger switch, a sliding supporting plate, an electromagnet and a magnetic plate are arranged in a matching way, so that a cleaning block extends into a forming groove to clean metal powder on the outer side of the component, a collision head collides the component, a rotating blade rotates and stirs to shake off and break up the metal powder condensed on the outer side of the component, the problem of component size deviation caused by adhesion of the subsequent metal powder on the component after heat treatment is avoided, and the cleaning block and the collision head reciprocate through the matching arrangement of a trigger rod, an electric connecting plate and an electric connecting rod, so that the scattering and cleaning effects on the condensed metal powder adhered on the outer side of the component are improved.

Drawings

FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the trigger switch closure of the present invention;

FIG. 3 is an enlarged view of the structure of area A in FIG. 2;

FIG. 4 is a schematic sectional top view of the upper structure of the forming trough of the present invention;

FIG. 5 is a schematic view of the baffle plate blocking the forming slot of FIG. 4;

FIG. 6 is an enlarged view of the structure of the area B in FIG. 4;

FIG. 7 is an enlarged view of the structure of the area C in FIG. 6;

FIG. 8 is a schematic diagram of the energization of two electromagnets in the present invention;

FIG. 9 is a schematic view of the cleaning block of the present invention extending out of the cleaning member;

FIG. 10 is a schematic view of FIG. 9 with the dam no longer blocking the forming channel;

fig. 11 is an enlarged view of the structure of region D in fig. 9.

In the figure: 1 forming platform, 2 working boxes, 3 forming grooves, 4 powder storage grooves, 5 sleeves, 51 extrusion head sliding grooves, 6 sliding supporting plates, 7 toothed plates, 8 leads, 9 power supplies, 10 blowers, 11 rotating motors, 12 electromagnets, 13 extending grooves, 14 magnetic plates, 15 elastic connecting rods, 16 sliding push plates, 17 cleaning blocks, 171 threaded grooves, 172 cleaning soft brushes, 18 threaded rods, 181 impact heads, 182 rotating blades, 19 rotating connecting plates, 20 elastic sleeves, 21 trigger rods, 22 power-on plates, 23 power-on rods, 24 baffle grooves, 25 driving toothed plates, 26 elastic reset connecting rods, 27 driving gears, 28 motor driving rods, 29 collecting grooves, 30 collecting boxes, 31 laser probes for selective laser melting, 32 laser shot blasting laser probes, 33 driving electric cylinders, 34 electric cylinder driving rods, 35 powder pushing plates, 36 heaters, 37 preheating plates, 38 gears, 39 rotating supporting rods, 40 extrusion heads, 41 elastic push block, 42 switch push rod, 43 sliding electric block, 44 fixed electric block, 45 clamping block, 46 clamping block elastic connecting rod, 47 clamping block pull rod, 48 baffle, 481 slot and 49 limit baffle.

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. 1-11, the present invention provides a technical solution:

the first embodiment is as follows:

a strengthening device for a laser selective melting additive manufacturing component comprises a forming platform 1 provided with a forming groove 3 and a powder storage groove 4, wherein the forming groove 3 and the powder storage groove 4 can be square grooves or round grooves, metal powder is stored in the powder storage groove 4, a working box 2 internally provided with a laser assembly, a powder pushing assembly and a heating assembly is communicated with the upper part of the forming platform 1, the laser assembly comprises a laser probe 31 for laser selective melting and a laser probe 32 for laser shot blasting which are positioned above the forming groove 3, a computer is used for carrying out slice dispersion and scanning path planning on a three-dimensional model of the component to be processed to obtain slice profile information scanned by a controllable laser beam, the laser probe 31 for laser selective melting is controlled to emit a laser beam by calling the slice profile information, the metal powder layer in the forming groove 3 is selectively melted to form a metal sheet layer, and the computer is used for carrying out stress analysis on the three-dimensional model of the component, obtaining a stress weak link of the component, inputting laser shot-blasting parameters into a computer, controlling a laser probe 32 for laser shot-blasting to emit laser beams by calling the laser shot-blasting parameters, and strengthening the formed sheet metal to obtain strengthened laser selective area sheet metal;

the powder pushing assembly comprises an electric cylinder driving rod 34 arranged at the output end of a driving electric cylinder 33, one end of the electric cylinder driving rod 34, which extends into the working box 2, is fixedly connected with a powder pushing plate 35 which is arranged above the forming platform 1 in a sliding mode, the driving electric cylinder 33 drives the powder pushing plate 35 to slide through the electric cylinder driving rod 34, metal powder in the powder storage tank 4 is pushed into the forming groove 3, the heating assembly comprises a preheating plate 37 and a heater 36 arranged in the working box 2, the preheating plate 37 is fixedly connected above a sliding supporting plate 6 in the forming groove 3, and the preheating plate 37 and the heater 36 are arranged for carrying out heat treatment on a formed component to reduce the internal stress of the component;

the lower parts of the forming groove 3 and the powder storage groove 4 are communicated with a sleeve 5, sliding support plates 6 are arranged in the forming groove 3 and the powder storage groove 4 in a vertically sliding mode, in the initial situation, the sliding support plates 6 in the forming groove 3 are positioned at the top end of the forming groove 3, the sliding support plates 6 in the powder storage groove 4 are positioned in the sleeve 5, the sliding support plates 6 in the powder storage groove 4 slide upwards to provide metal powder, the sliding support plates 6 in the forming groove 3 slide downwards to provide an entering space for the metal powder, then the metal powder in the powder storage groove 4 is conveyed into the forming groove 3 through a powder pushing plate 35, the bottom area of the forming groove 3 and the sliding height of the sliding support plates 6 in the forming groove 3 are equal to the bottom area of the powder storage groove 4 and the sliding height of the sliding support plates 6 in the powder storage groove 4, and the control circuit formed by electrically connecting a trigger switch, a power supply 9, a blower 10, a rotating motor 11 and an electromagnet assembly through a lead 8, the blower 10, the rotating motor 11 and the electromagnet assembly are connected in parallel;

the trigger switch is positioned at the lower part of the forming groove 3 and is matched with the sliding support plate 6 for extrusion, the trigger switch is in an off state in an initial state until the processing of the laser selective melting additive manufacturing component is completed, the sliding support plate 6 in the forming groove 3 slides downwards to the trigger switch, the sliding support plate 6 extrudes the trigger switch to be closed and then keeps stable, the trigger switch is still in an on state after the sliding support plate 6 leaves the trigger switch until the trigger switch is manually controlled to be off again, the electromagnet assembly comprises two electromagnets 12 which are connected in series, one ends, close to each other, of the two electromagnets 12 are fixedly connected with an electric connection plate 22, the two electromagnets 12 of the same electromagnet assembly are connected in series through the electric connection of the electric connection plate 22 and an electric connection rod 23, the air outlet end of the air blower 10 is communicated with the upper part of the forming groove 3, and the upper part of the forming groove 3 is also communicated with the collecting box 30 through a collecting groove 29, two opposite inner walls at the upper part of the forming groove 3 are respectively communicated with the air outlet end of the air blower 10 and the collecting groove 29, so that the air blower 10 conveniently blows metal powder into the collecting groove 29, after the trigger switch is closed, the air blower 10 blows air into the forming groove 3, the metal powder which is not melted in the forming groove 3 enters the collecting box 30 through the collecting groove 29, the collected metal powder can be continuously used in the next production, and the waste of the metal powder is avoided;

the upper part of the forming groove 3 is communicated with an extending groove 13, a magnetic plate 14, an elastic connecting rod 15, an electromagnet 12, a sliding push plate 16 and a cleaning block 17 which are fixedly connected in sequence are arranged in the extending groove 13 along the direction close to the forming groove 3, the magnetic plate 14 is fixedly connected on the inner wall of the extending groove 13, the inner wall of one end of the extending groove 13 close to the forming groove 3 is fixedly connected with a limit baffle 49 which is matched with and used for blocking the sliding push plate 16, the arrangement of the limit baffle 49 limits the sliding stroke of the sliding push plate 16, the sliding push plate 16 is prevented from leaving the extending groove 13, the sliding push plate 16 is in sliding connection with the inner wall of the extending groove 13, the blocking effect on metal powder is achieved, the metal powder is prevented from entering the extending groove 13 and being attached to the magnetic plate 14 and the electromagnet 12, the adverse effect is caused on the magnetic matching of the magnetic plate 14 and the electromagnet 12, the two electromagnets 12 and the magnetic plate 14 are magnetically repelled, and the two electromagnets 12 are symmetrically arranged, the stability that the electromagnet 12 drives the sliding push plate 16 to slide is improved, after the trigger switch is closed, the electromagnet 12 has magnetism and repels the magnetic plate 14, the electromagnet 12 drives the cleaning block 17 to move towards the direction close to the forming groove 3 through the sliding push plate 16 under the magnetic action, the elastic connecting rod 15 is stretched, the cleaning block 17 extends out of the forming groove 3 and is abutted against and impacted on a component, metal powder adhered on the component is shaken off, and the problem that the size of the component is deviated due to the fact that the subsequent metal powder is adhered on the component after heat treatment is avoided,

one end of the cleaning block 17 close to the forming groove 3 is provided with a thread groove 171 internally provided with a threaded rod 18, the outer side of the cleaning block 17 is fixedly connected with a plurality of cleaning soft brushes 172, the cleaning soft brushes 172 are arranged to improve the cleaning effect of the cleaning block 17 on metal powder on the component, one end of the threaded rod 18 extending out of the thread groove 171 is fixedly connected with a striking head 181, a rod body of the threaded rod 18 extending out of the thread groove 171 is fixedly connected with a rotating blade 182, the cleaning block 17 is abutted and struck on the component under the magnetic action of an electromagnet 12, so that the striking head 181 is in extrusion contact with the component, the striking head 181 shakes off the metal powder adhered on the component, the striking head 181 moves towards the direction close to the thread groove 171 under the blocking of the component, so that the threaded rod 18 is screwed into the thread groove 171, the threaded rod 18 spirally moves to drive the rotating blade 182 to rotate, so as to break up the metal powder condensed near the component, and the blower 10 is convenient for blowing the metal powder into the collecting groove 29, one end of the threaded rod 18 extending into the threaded groove 171 is rotatably connected with a rotating connecting plate 19, an elastic sleeve 20 is fixedly connected between the rotating connecting plate 19 and the inner wall of the threaded groove 171 close to the sliding push plate 16, the rotating connecting plate 19 is fixedly connected with a trigger rod 21 extending between the two electric plates 22 in a sliding manner, and the elastic sleeve 20 is slidably sleeved outside the trigger rod 21, so that the stability of the deformation process of the elastic sleeve 20 is improved;

the threaded rod 18 moves in the direction far away from the forming groove 3 under the block of the component, so that the rotating connecting plate 19 moves in the direction far away from the forming groove 3 together under the drive of the threaded rod 18, the elastic sleeve 20 is compressed, the rotating connecting plate 19 drives the trigger rod 21 to move in the direction far away from the forming groove 3 together until the electric connecting rod 23 leaves the electric connecting plate 22, one end of the trigger rod 21 far away from the rotating connecting plate 19 is fixedly connected with the electric connecting rod 23 which is matched and connected with the two electric connecting plates 22, when the impact head 181 is not in pressing contact with the component, the rotating connecting plate 19 is supported by the elastic sleeve 20 to be stable, the trigger rod 21 is also kept stable, the trigger rod 21 drives the electric connecting rod 23 to electrically connect the two electric connecting plates 22, the electrified state of the electromagnet 12 is maintained until the impact head 181 is in pressing contact with the component, the threaded rod 18 drives the rotating connecting plate 19 to move in the direction far away from the forming groove 3 under the block of the component, the trigger bar 21 drives the electric connecting bar 23 to move together in the direction far away from the forming groove 3 until the electric connecting bar 23 is far away from the electric connecting plate 22, the electromagnet 12 is powered off, the electromagnet 12 moves in the direction far away from the forming groove 3 under the elastic action of the elastic connecting bar 15, the cleaning block 17 moves in the direction far away from the forming groove 3 and leaves away from the component, the component does not block the impact head 181, the threaded rod 18 and the rotating connecting plate 19 move in the direction close to the forming groove 3 again under the elastic action of the elastic sleeve 20, the trigger bar 21 is driven by the rotating connecting plate 19 to move in the reverse direction to reset, the electric connecting bar 23 is electrically connected with the electric connecting plate 22 again, the electromagnet 12 has magnetism and moves in the direction close to the forming groove 3, the impact head 181 impacts on the component again, the reciprocating motion of the cleaning block 171 and the impact head 181 is realized, and the scattering of the condensed metal powder adhered to the outer side of the component is improved, Cleaning effect;

the extending groove 13, the collecting groove 29, the communicating part of the blower 10 and the forming groove 3 are all connected with a baffle groove 24 in a penetrating way, a baffle assembly is arranged in the baffle groove 24 in a sliding way, the baffle assembly blocks the extending groove 13, the collecting groove 29, the communicating part of the blower 10 and the forming groove 3 to prevent metal powder from entering the extending groove 13 and the collecting groove 29 in the component forming process, the baffle assembly is fixedly connected with a driving toothed plate 25, the driving toothed plate 25 is connected with a transmission gear 27 in a meshing way, an elastic reset connecting rod 26 is fixedly connected between the driving toothed plate 25 and the inner wall of the baffle groove 24, the baffle assembly stably blocks the communicating part of the extending groove 13, the collecting groove 29, the blower 10 and the forming groove 3 under the support of the elastic reset connecting rod 26 in an initial state, the transmission gear 27 is fixedly connected with a motor driving rod 28 arranged at the output end of the rotating motor 11, and after the trigger switch is closed, the rotating motor 11 drives the transmission gear 27 to rotate through the motor driving rod 28, the transmission gear 27 rotates to drive the transmission toothed plate 25 to slide, the transmission toothed plate 25 drives the baffle plate assembly to leave the communication position of the extension groove 13, the collecting groove 29, the air blower 10 and the forming groove 3, air outlet of the air blower 10 is facilitated, the cleaning block 17 extends out of the extension groove 13, metal powder enters the collecting groove 29, after the trigger switch is disconnected, the transmission toothed plate 25 moves reversely under the driving of the elastic reset connecting rod 26, and the baffle plate assembly blocks the communication position of the extension groove 13, the collecting groove 29, the air blower 10 and the forming groove 3 again.

Example two:

the second embodiment improves the linkage between the sliding supporting plates 6 on the basis of the first embodiment, namely: the shaping groove 3 is the same with the bottom area of the powder storage groove 4, the lower ends of the two sliding support plates 6 are fixedly connected with toothed plates 7, gears 38 are connected between the two toothed plates 7 in a meshed mode, the gears 38 are supported and positioned through rotating supporting rods 39, the gears 38 are rotated, one toothed plate 7 slides upwards for certain displacement, the other toothed plate 7 slides downwards for the same displacement, the shaping groove 3 is the same with the bottom area of the powder storage groove 4, the sliding height of the sliding support plates 6 in the shaping groove 3 multiplied by the bottom area of the shaping groove 3 is equal to the sliding height of the sliding support plates 6 in the powder storage groove 4 multiplied by the bottom area of the powder storage groove 4.

Example three:

the third embodiment discloses the structure of the trigger switch on the basis of the first embodiment, that is: the trigger switch comprises extrusion heads 40, sliding electric blocks 43 and fixed electric blocks 44 which are arranged at intervals in sequence, an extrusion head sliding groove 51 for slidably arranging the extrusion heads 40 is formed in the lower portion of one side of the sleeve 5 close to the forming groove 3, one end of the extrusion heads 40, which is matched and extruded with the sliding support plate 6, is obliquely arranged, the sliding support plate 6 is convenient to extrude and push the extrusion heads 40, an elastic push block 41 is fixedly connected between the extrusion heads 40 and the inner wall of the extrusion head sliding groove 51, the extrusion heads 40 extend out under the support of the elastic push block 41 and are positioned below the sliding support plate 6, the sliding support plate 6 slides downwards and presses the extrusion heads 40, so that the extrusion heads 40 slide towards the direction close to the fixed electric blocks 44, a switch push rod 42 is fixedly connected between the extrusion heads 40 and the sliding electric blocks 43, the extrusion heads 40 drive the sliding electric blocks 43 to move towards the direction close to the fixed electric blocks 44 through the switch push rod 42, so that the sliding electric blocks 43 are electrically connected with the fixed electric blocks 44, the trigger switch is closed;

a fixture block 45 which is matched with and clamps the sliding electric connection block 43 is movably arranged in the sleeve 5, a fixture block elastic connecting rod 46 is fixedly connected between the fixture block 45 and the inner wall of the sleeve 5, a fixture block pull rod 47 which movably extends out of the sleeve 5 is fixedly connected with the fixture block 45, a clamping groove for inserting the fixture block 45 is formed in the sliding electric connection block 43, when the sliding electric connection block 43 slides to be electrically connected with the fixed electric connection block 44, the fixture block 45 is aligned with the clamping groove of the sliding electric connection block 43, the fixture block 45 extends into the clamping groove under the pushing of the fixture block elastic connecting rod 46 to maintain the electrical connection between the sliding electric connection block 43 and the fixed electric connection block 44, when the sliding supporting plate 6 in the forming groove 3 slides upwards and leaves the extrusion head 40, the sliding electric connection block 43 and the fixed electric connection block 44 are still maintained in the electrical connection, after the sliding supporting plate 6 in the forming groove 3 slides upwards and resets, the fixture block pull rod 47 is manually pulled to enable the fixture block 45 to leave the clamping groove, the extrusion head 40 is pushed by the elastic push block 41 to move reversely and reset, and the extrusion head 40 drives the sliding electric connection block 43 to leave the fixed electric connection block 44 through the switch push rod 42, so that the trigger switch is switched off.

Example four:

the fourth embodiment optimizes the baffle plate assembly on the basis of the first embodiment, namely: the baffle plate component comprises two baffle plates 48, one ends of the two baffle plates 48 which are far away from each other are fixedly connected with a transmission toothed plate 25 meshed with the transmission gear 27, the two baffles 48 of the same baffle assembly are pulled to approach each other through the driving toothed plate 25, so that the baffles 48 block the communication positions of the extending groove 13, the collecting groove 29, the blower 10 and the forming groove 3, and the two baffles 48 of the same baffle assembly are pulled away from each other by the driving toothed plate 25, so that the baffles 48 no longer block the communication between the protrusion slots 13, the collection slot 29, the blower 10 and the forming slot 3, the adjacent baffle slots 24 are communicated, and the mutually adjacent driving toothed plates 25 of the adjacent baffle plate assemblies share one driving gear 27, the baffle plates 48 of two adjacent baffle plate assemblies share one transmission gear 27, so that the number of mechanisms is reduced, the linkage between the mechanisms is improved, the manufacturing cost is also reduced, and the baffle 48 is provided with a slot 481 for movably inserting the transmission toothed plate 25 of the adjacent baffle assembly.

a, putting metal powder into a powder storage tank 4, pushing a sliding supporting plate 6 in the powder storage tank 4 upwards, pushing the sliding supporting plate 6 in a forming tank 3 downwards, sending the metal powder into the forming tank 3 by a powder pushing assembly, reversely sliding and resetting, and sending laser to the metal powder in the forming tank 3 by a laser assembly to enable the metal powder to form sheet metal;

b, repeating the step A until the selective laser melting additive manufacturing component is processed, enabling the sliding supporting plate 6 in the forming groove 3 to extrude the trigger switch to be closed, rotating the motor 11 to drive the baffle plate assembly to not block the forming groove 3, enabling the cleaning block 17 to stretch out to clean the component, enabling the impact head to reciprocate to impact the component, and blowing air out of the blower 10 to blow metal powder in the forming groove 3 into the collecting box 30;

c, pushing the sliding supporting plate 6 in the powder storage tank 4 downwards, pushing the sliding supporting plate 6 in the forming tank 3 upwards, and cleaning each part of the component by a cleaning block 17 in sequence;

d, manually disconnecting the trigger switch until the movable supporting plate 6 is reset to the initial position, and performing heat treatment on the component by the heating component.

The working principle is as follows: when the selective laser melting additive manufacturing component is processed, the sliding support plate 6 in the forming groove 3 slides downwards to the position of the trigger switch, the sliding support plate 6 extrudes the trigger switch to be closed, the rotating motor 11 drives the transmission gear 27 to rotate through the motor driving rod 28, the transmission gear 27 rotates to drive the transmission toothed plate 25 to slide, the transmission toothed plate 25 drives the baffle plate assembly to leave the position where the extending groove 13, the collecting groove 29 and the air blower 10 are communicated with the forming groove 3, the air blower 10 blows air into the forming groove 3, and metal powder enters the collecting groove 30 through the collecting groove 29;

the electromagnet 12 is provided with a magnetic and repulsive magnetic plate 14, the electromagnet 12 drives the cleaning block 17 to move towards the direction close to the forming groove 3 through the sliding push plate 16 under the magnetic action, the elastic connecting rod 15 is stretched, the impact head 181 is in pressing contact with a member, the impact head 181 moves towards the direction close to the thread groove 171 under the blocking of the member, so that the threaded rod 18 is screwed into the thread groove 171, the threaded rod 18 rotates spirally to drive the rotating blade 182 to rotate, and the condensed metal powder near the member is scattered;

the threaded rod 18 moves the rotating web 19 away from the forming chute 3 under the blocking of the member, so that the trigger bar 21 drives the electric connecting bar 23 to move towards the direction far away from the forming groove 3 together until the electric connecting bar 23 leaves the electric connecting plate 22, the electromagnet 12 is powered off, the electromagnet 12 moves towards the direction far away from the forming groove 3 under the elastic action of the elastic connecting bar 15, so that the cleaning block 17 moves away from the forming groove 3 and away from the member, the member no longer blocks the striking head 181, the threaded rod 18 and the rotating connecting plate 19 move again towards the forming groove 3 under the elastic action of the elastic sleeve 20, the trigger rod 21 is reset by the reverse movement of the rotating connecting plate 19, the electric connecting rod 23 is electrically connected to the electric connecting plate 22 again, the electromagnet 12 moves in a direction approaching the forming groove 3 while having magnetism, and the impact head 181 is again made to impact on the member, thereby realizing the reciprocating motion of the cleaning block 171 and the impact head 181.

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

1. The utility model provides a strengthening device of laser selective melting vibration material disk component, is including offering shaping platform (1) of shaping groove (3) and powder storage tank (4), and shaping platform (1) top intercommunication has inside to set up laser assembly, pushes away powder subassembly and heating element's work box (2), shaping groove (3) and powder storage tank (4) below all communicate sleeve (5), and all slide from top to bottom in shaping groove (3) and the powder storage tank (4) and be provided with slip layer board (6), its characterized in that: the forming device is characterized by further comprising a control circuit formed by electrically connecting a trigger switch, a power supply (9), an air blower (10), a rotating motor (11) and an electromagnet assembly through a lead (8), wherein the air blower (10), the rotating motor (11) and the electromagnet assembly are connected in parallel, the trigger switch is positioned at the lower part of the forming groove (3) and is matched and extruded with the sliding supporting plate (6), the electromagnet assembly comprises two electromagnets (12) which are arranged in series, one ends of the two electromagnets (12) which are close to each other are fixedly connected with an electric connection plate (22), the air outlet end of the air blower (10) is communicated with the upper part of the forming groove (3), and the upper part of the forming groove (3) is also communicated with a collecting box (30) through a collecting groove (29);

the upper part of the forming groove (3) is communicated with an extending groove (13), a magnetic plate (14), an elastic connecting rod (15), an electromagnet (12), a sliding push plate (16) and a cleaning block (17) which are sequentially and fixedly connected are arranged in the extending groove (13) along the direction close to the forming groove (3), one end, close to the forming groove (3), of the cleaning block (17) is provided with a thread groove (171) in which a threaded rod (18) is arranged, the outer side of the cleaning block (17) is fixedly connected with a plurality of cleaning soft brushes (172), one end, extending out of the thread groove (171), of the threaded rod (18) is fixedly connected with a striking head (181), a rod body, extending out of the thread groove (171), of the threaded rod (18) is fixedly connected with a rotating blade (182), one end, extending into the thread groove (171), of the threaded rod (18) is rotatably connected with a rotating connecting plate (19), and an elastic sleeve (20) is fixedly connected between the rotating connecting plate (19) and the inner wall of the thread groove (171), a trigger rod (21) which extends to the position between the two electric connection plates (22) in a sliding manner is fixedly connected to the rotating connecting plate (19), and an electric connection rod (23) which is matched and connected with the two electric connection plates (22) is fixedly connected to one end, far away from the rotating connecting plate (19), of the trigger rod (21);

the fan baffle assembly is characterized in that the communicated parts of the extension groove (13), the collecting groove (29), the air blower (10) and the forming groove (3) are all in through connection with baffle grooves (24), baffle assemblies are arranged in the baffle grooves (24) in a sliding mode, the baffle assemblies are fixedly connected with transmission toothed plates (25), the transmission toothed plates (25) are connected with transmission gears (27) in a meshed mode, elastic reset connecting rods (26) are fixedly connected between the transmission toothed plates (25) and the inner walls of the baffle grooves (24), and the transmission gears (27) are fixedly connected with motor driving rods (28) installed at the output end of the rotating motor (11).

2. The apparatus of claim 1, wherein the apparatus is configured to selectively laser ablate an additive manufactured component: the laser assembly comprises a laser probe (31) for selective laser melting and a laser probe (32) for laser peening above the forming trough (3).

3. The apparatus of claim 1, wherein the apparatus is configured to selectively laser ablate an additive manufactured component: push away the powder subassembly including installing electric jar actuating lever (34) at drive electric jar (33) output, and electric jar actuating lever (34) stretch into one end fixedly connected with of work box (2) and slide and set up pushing away powder board (35) in shaping platform (1) top.

4. The apparatus of claim 1, wherein the apparatus is configured to selectively laser ablate an additive manufactured component: the heating assembly comprises a preheating plate (37) and a heater (36) arranged in the working box (2), and the preheating plate (37) is fixedly connected above the sliding supporting plate (6) in the forming groove (3).

5. The apparatus of claim 1, wherein the apparatus is configured to selectively laser ablate an additive manufactured component: the bottom areas of the forming groove (3) and the powder storage groove (4) are the same, the lower ends of the two sliding support plates (6) are fixedly connected with toothed plates (7), and gears (38) are meshed between the two toothed plates (7).

6. The apparatus of claim 1, wherein the apparatus is configured to selectively laser ablate an additive manufactured component: trigger switch sets up extrusion head (40), slip electricity piece (43) and fixed electricity piece (44) that connects including the interval in proper order, one side lower part that sleeve (5) are close to shaping groove (3) is seted up and is slided extrusion head sliding tray (51) that sets up extrusion head (40), and extrusion head (40) and extrusion head sliding tray (51) inner wall within a definite time fixed connection elasticity ejector pad (41), fixedly connected with switch push rod (42) between extrusion head (40) and slip electricity piece (43), the activity is provided with fixture block (45) that the cooperation blocked slip electricity piece (43) in sleeve (5), and fixture block (45) and sleeve (5) inner wall within a definite time fixedly connected with fixture block elastic connecting rod (46), and fixture block (45) fixedly connected with activity stretches out fixture block pull rod (47) of sleeve (5).

7. The apparatus of claim 1, wherein the apparatus is configured to selectively laser ablate an additive manufactured component: the baffle plate assembly comprises two baffle plates (48), and one ends of the two baffle plates (48) far away from each other are fixedly connected with transmission toothed plates (25) meshed with the transmission gears (27).

8. The apparatus of claim 7, wherein the apparatus is configured to selectively laser ablate an additive manufactured component by: the adjacent baffle slots (24) are communicated, the transmission gear plates (25) which are close to each other on the adjacent baffle assemblies share one transmission gear (27), and the baffle (48) is provided with a slot (481) for the transmission gear plates (25) of the adjacent baffle assemblies to be movably inserted.

9. The apparatus of claim 1, wherein the apparatus is configured to selectively laser ablate an additive manufactured component: and a limit baffle (49) matched with and used for blocking the sliding push plate (16) is fixedly connected to the inner wall of one end of the extending groove (13) close to the forming groove (3).

10. A method of reinforcement using the reinforcement device of any one of claims 1-9, comprising the steps of:

a, putting metal powder into a powder storage tank (4), pushing a sliding supporting plate (6) in the powder storage tank (4) upwards, pushing the sliding supporting plate (6) in a forming tank (3) downwards, sending the metal powder into the forming tank (3) by a powder pushing assembly, sliding reversely to reset, and sending laser to the metal powder in the forming tank (3) by a laser assembly to enable the metal powder to form sheet metal;

b, repeating the step A until the laser selective melting additive manufacturing component is processed, enabling a sliding supporting plate (6) in a forming groove (3) to extrude and trigger a switch to be closed, rotating a motor (11) to drive a baffle plate assembly to not block the forming groove (3), enabling a cleaning block (17) to stretch out to clean the component, enabling an impact head to reciprocate to impact the component, and blowing air out by a blower (10) to blow metal powder in the forming groove (3) into a collecting box (30);

c, pushing the sliding supporting plate (6) in the powder storage groove (4) downwards, pushing the sliding supporting plate (6) in the forming groove (3) upwards, and cleaning each part of the component by a cleaning block (17) in sequence;

d, manually disconnecting the trigger switch until the movable supporting plate (6) is reset to the initial position, and performing heat treatment on the component by the heating component.