CN113579419B

CN113579419B - Low heat input multifilament electric arc vibration material disk device of metal structure

Info

Publication number: CN113579419B
Application number: CN202111151747.3A
Authority: CN
Inventors: 徐静皋; 吴霖
Original assignee: Suzhou Qianglong Casting And Forging Nantong Co ltd
Current assignee: Suzhou Qianglong Casting And Forging Nantong Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2021-12-21
Anticipated expiration: 2041-09-29
Also published as: CN113579419A

Abstract

The invention provides a low-heat-input multi-wire electric arc additive manufacturing device for a metal structural part, and relates to the technical field of electric arc additive equipment. This low heat input multifilament electric arc vibration material disk device of metallic structure spare, comprising a main body, the interior top fixedly connected with mount pad of main part, the lower surface swing joint of mount pad has the arm, the one end fixedly connected with mounting panel of arm, the upper surface of mounting panel just is located the equal fixedly connected with of the left and right sides of arm and deposits the silk ware, the left inside wall fixedly connected with purifier of main part, it includes first pivot, second pivot, send the silk roller to deposit the silk ware, the equal swing joint of first pivot and second pivot is at the inside wall of depositing the silk ware, the second pivot is located the right side below of first pivot. Through setting up purifier, can inhale smog effectively to accomplish zero pollutant discharge to purification treatment, be favorable to preventing that the precision part of device is corroded, lead to the machining error increase.

Description

Low heat input multifilament electric arc vibration material disk device of metal structure

Technical Field

The invention relates to the technical field of electric arc additive manufacturing equipment, in particular to a low-heat-input multi-wire electric arc additive manufacturing device for a metal structural part.

Background

Additive Manufacturing (AM) is commonly called 3D printing, combines computer aided design, material processing and molding technology, and based on digital model files, deposits special metal materials, non-metal materials and medical biomaterials layer by layer through software and a numerical control system in modes of extrusion, sintering, melting, photocuring, spraying and the like to manufacture solid objects, and electric arc Additive is a Manufacturing technology for melting, dripping and accumulating metal wires into workpieces by electric arcs.

The applicant finds that a Chinese patent discloses a method and a device for manufacturing a dissimilar metal structural member by using a low-heat-input multi-wire arc additive manufacturing method and a device thereof through retrieval when applying the invention, the application number is 201910642156.2, the patent can flexibly switch more than two wires for additive manufacturing mainly through switching of a loop switch, although the flexibility of the method for manufacturing the arc additive manufacturing is improved in the specification, the arc melting wires can generate smoke in the actual using process, the smoke is toxic and has certain corrosivity, the time is long, the precise parts of equipment can be corroded, the equipment processing error is increased, therefore, according to the invention of the applicant, the device capable of performing the arc additive manufacturing on the metal structural member is invented, the problem that the arc melting wires can generate the smoke in the actual using process, the smoke is toxic and has certain corrosivity is solved, the time is long, the precision parts of the equipment can be corroded, and the processing error of the equipment is increased.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a low-heat-input multi-wire electric arc additive manufacturing device for a metal structural part, which solves the problems that in the actual use process, the electric arc melting metal wire can generate smoke which is toxic and has certain corrosivity, and the smoke can corrode precision parts of equipment for a long time, so that the processing error of the equipment is increased.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a low-heat-input multi-wire electric arc additive manufacturing device for a metal structural part comprises a main body, wherein the inner top of the main body is fixedly connected with a mounting seat, the lower surface of the mounting seat is movably connected with a mechanical arm, one end of the mechanical arm is fixedly connected with a mounting plate, and the upper surface of the mounting plate and the left side and the right side of the mechanical arm are both fixedly connected with wire storage devices;

the left inner side wall of the main body is fixedly connected with a purifying device.

Preferably, it includes first pivot, second pivot, send the silk roller to deposit the silk ware, the equal swing joint of first pivot and second pivot is at the inside wall of depositing the silk ware, the second pivot is located the right side below of first pivot, send the silk roller to be the surface of fixed connection at the second pivot, the second pivot is driven through servo motor.

Preferably, the pressure sensor is fixedly connected to the inside of the first rotating shaft, a placing groove is formed in the surface of the first rotating shaft, a spring is fixedly connected to the surface of the pressure sensor, the spring penetrates through the placing groove and is fixedly connected with a supporting block, a guide rod is fixedly connected to the front side and the rear side of the spring and on the surface of the first rotating shaft, the guide rod penetrates through the supporting block, and the supporting block is arc-shaped.

Preferably, purifier includes air extractor, activated carbon filter, three way catalyst converter, exhaust duct fixed connection is in purifier's inside, the air extractor and the equal fixed connection of three way catalyst converter, activated carbon filter are on exhaust duct's surface, the upper surface of air extractor and purifier's interior top fixed connection, three way catalyst converter's surface and purifier's inside wall fixed connection, activated carbon filter and purifier's interior bottom fixed connection, exhaust duct's one end extends to the outside of main part.

Preferably, exhaust duct's the other end fixedly connected with corrugated hose, corrugated hose's one end fixed connection is at the upper surface of mounting panel, corrugated hose is located the front side of arm, the through-hole has been seted up to the upper surface of mounting panel and the inside that is located corrugated hose.

Preferably, the interior bottom fixedly connected with controller assembly of main part, the interior bottom of main part just is located the right side fixedly connected with current regulator of controller assembly, the interior bottom of main part just is close to right side edge fixedly connected with current converter, the inside of main part just is close to bottom edge fixedly connected with fixed plate, the last fixed surface of fixed plate is connected with the workstation.

Preferably, the interior top of main part just is close to the equal fixedly connected with of edge department of controlling and send a machine, the lower surface of mounting panel just is close to the equal fixedly connected with mounting of edge department of controlling, the bottom fixedly connected with filar guide of mounting, the lower surface of mounting panel just is located the fixedly connected with tungsten utmost point between the filar guide.

Preferably, the front of the main body is movably connected with a door body, the front of the door body is fixedly connected with a handle, and the front of the door body is provided with an observation window above the handle.

Preferably, the front of main part just is located the right side fixedly connected with control panel of the door body, control panel's front fixedly connected with display screen, control panel's the front and the below swing joint that is located the display screen have the button.

Preferably, the bottom of the main body is fixedly connected with a supporting leg, and the bottom of the supporting leg is fixedly connected with a foot pad.

The working principle is as follows: in use, the control panel 23 is used to set processing parameters, the tungsten electrode 13 is moved to a processing area by using the mechanical arm 6, then the metal wire is tensioned to generate a tensile force to press the spring 28 in the wire storage device 10 to contract, when the spring 28 presses the pressure sensor 27, a pressure value is measured at the moment, the wire feeder 4 measures different values according to the pressure sensor 27, the controller assembly 15 is used to control the wire feeder 4 to adjust different wire feeding speeds, the guide rod 36 is used to ensure that the first rotating shaft 26 does not generate a dislocation phenomenon when driving the supporting block 29 to rotate, the current regulator 16 is used to adjust the current, the temperature of the electric arc is controlled to melt and drop the metal wire to a position where material increase processing is needed, and the air extractor 33 is used to generate a suction force to suck smoke generated by electric arc material increase into the exhaust pipeline 9, carbon monoxide and sulfide in the flue gas are decomposed by using the three-way catalyst 35, residual toxic substances in the flue gas are adsorbed and filtered by the activated carbon filter element 34 and are finally discharged, the corrugated hose 8 can be extended to different lengths according to the displacement distance of the mechanical arm 6, and the mechanical arm 6 melts and accumulates metal wires into workpieces according to a set program.

(III) advantageous effects

The invention provides a low-heat-input multi-wire electric arc additive manufacturing device for a metal structural part. The method has the following beneficial effects:

1. the device simple structure that is reasonable, through setting up purifier, can inhale smog effectively and remove to accomplish zero pollutant discharge with purification treatment, be favorable to preventing that the precision part of device is corroded, lead to the machining error increase.

2. The wire storage device is arranged, so that the metal wire can be effectively stored, the phenomenon of wire pulling cannot occur when the mechanical arm moves, and the processing safety is improved.

Drawings

Fig. 1 is a perspective view of an external structure of a low heat input multi-wire arc additive manufacturing device for a metal structural member according to the present invention;

FIG. 2 is a front view of the internal structure of a low heat input multi-wire arc additive manufacturing apparatus for metal structural parts according to the present invention;

FIG. 3 is a front view of the external structure of a low heat input multi-wire arc additive manufacturing apparatus for metallic structural components according to the present invention;

FIG. 4 is a schematic view of a wire storage device of a low heat input multi-wire arc additive manufacturing apparatus for a metal structural member according to the present invention;

fig. 5 is a schematic structural diagram of a purification device of a low heat input multi-wire arc additive manufacturing device for a metal structural member according to the present invention.

Wherein, 1, a main body; 2. a fixing plate; 3. a work table; 4. a wire feeder; 5. a mounting seat; 6. a mechanical arm; 7. a purification device; 8. a corrugated hose; 9. an exhaust duct; 10. a silk storage device; 11. mounting a plate; 12. a fixing member; 13. a tungsten electrode; 14. a thread guide; 15. a controller assembly; 16. a current regulator; 17. a current converter; 18. a support leg; 19. a foot pad; 20. a door body; 21. an observation window; 22. a handle; 23. a control panel; 24. a display screen; 25. pressing a key; 26. a first rotating shaft; 27. a pressure sensor; 28. a spring; 29. a support block; 30. a placement groove; 31. a second rotating shaft; 32. a wire feeding roller; 33. an air extractor; 34. an activated carbon filter element; 35. a three-way catalyst; 36. a guide rod.

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.

As shown in fig. 1-5, an embodiment of the present invention provides a low heat input multi-wire arc additive manufacturing apparatus for a metal structural part, which includes a main body 1, a mounting base 5 is fixedly connected to an inner top portion of the main body 1, a mechanical arm 6 is movably connected to a lower surface of the mounting base 5, an end of the mechanical arm 6 is fixedly connected to a mounting plate 11, a wire storage 10 is fixedly connected to an upper surface of the mounting plate 11 and located on both left and right sides of the mechanical arm 6, the wire storage 10 includes a first rotating shaft 26, a second rotating shaft 31, and a wire feeding roller 32, the second rotating shaft 31 is located on a lower right side of the first rotating shaft 26, the wire feeding roller 32 is fixedly connected to an outer surface of the second rotating shaft 31, the second rotating shaft 31 is driven by a servo motor, a portion of a wire can be stored therein by using the wire storage 10, when the mechanical arm 6 needs to move, a tensile force generated by the wire presses a spring 28 to contract, the length of the redundant metal wire can support the mechanical arm 6 to move, so that the metal wire is prevented from being broken due to the phenomenon of wire pulling, and the number of turns of the metal wire wound on the wire feeding roller 32 is 5-8;

the left inner side wall of the main body 1 is fixedly connected with a purification device 7, the purification device 7 comprises an air pump 33, an activated carbon filter element 34, a three-way catalyst 35 and an exhaust pipeline 9, the air pump 33 and the three-way catalyst 35, the activated carbon filter element 34 is fixedly connected to the surface of the exhaust pipeline 9, the upper surface of the air pump 33 is fixedly connected with the inner top of the purification device 7, the surface of the three-way catalyst 35 is fixedly connected with the inner side wall of the purification device 7, the activated carbon filter element 34 is fixedly connected with the inner bottom of the purification device 7, one end of the exhaust pipeline 9 extends to the outside of the main body 1, smoke generated by electric arc material increase is sucked into the exhaust pipeline 9 by using the suction force generated by the air pump 33, carbon monoxide and sulfide in the smoke are decomposed by using the three-way catalyst 35, and residual toxic substances in the smoke are adsorbed, filtered and finally discharged by the activated carbon filter element 34, the bellows 8 may extend to different lengths depending on the distance the robotic arm 6 is displaced.

Preferably, the first rotating shaft 26 and the second rotating shaft 31 are movably connected to the inner side wall of the filament storage device 10, the pressure sensor 27 is fixedly connected inside the first rotating shaft 26, the placing groove 30 is formed in the surface of the first rotating shaft 26, the spring 28 is fixedly connected to the surface of the pressure sensor 27, the spring 28 penetrates through the placing groove 30 and is fixedly connected with the supporting block 29, the guide rod 36 is fixedly connected to the surface of the first rotating shaft 26 and located on the front side and the rear side of the spring 28, the guide rod 36 penetrates through the supporting block 29, the supporting block 29 is arc-shaped, when the spring 28 presses the pressure sensor 27, the pressure value is measured, the wire feeder 4 measures different values according to the pressure sensor 27, and the wire feeder 4 is controlled by the controller assembly 15 to adjust different wire feeding speeds, the first rotating shaft 26 is not dislocated when the driven supporting block 29 is rotated by using the guide bar 36.

Preferably, exhaust duct 9 fixed connection is in purifier 7's inside, exhaust duct 9's other end fixed connection has corrugated hose 8, corrugated hose 8's one end fixed connection is at the upper surface of mounting panel 11, corrugated hose 8 is located the front side of arm 6, the through-hole has been seted up to the upper surface of mounting panel 11 and the inside that is located corrugated hose 8, can be according to the distance of arm 6 displacement through using corrugated hose 8, thereby extend to different length, set up the through-hole and can make the flue gas can get into corrugated hose 8 smoothly, thereby carry and carry out purification treatment in purifier 7.

Preferably, the interior bottom fixedly connected with controller assembly 15 of main part 1, the interior bottom of main part 1 and the right side fixedly connected with current regulator 16 that is located controller assembly 15, the interior bottom of main part 1 and be close to right side edge fixedly connected with current converter 17, the inside of main part 1 and be close to bottom edge fixedly connected with fixed plate 2, the last fixed surface fixedly connected with workstation 3 of fixed plate 2, can adjust the electric current size through using current regulator 16, and then the temperature of control electric arc, can convert the rated current of equipment into with the heavy current through current converter 17.

Preferably, the equal fixedly connected with of main part 1's interior top and the side edge department of being close to about and send a machine 4, the equal fixedly connected with mounting 12 of side edge department about the lower surface of mounting panel 11 and being close to, the bottom fixedly connected with wire guide 14 of mounting 12, the lower surface of mounting panel 11 just is located fixedly connected with tungsten utmost point 13 between the wire guide 14, play and conveniently send a silk, simultaneously through the effect that uses wire guide 14 to guide the wire to discharge electric arc through using tungsten utmost point 13 with the effect that the wire melts.

Preferably, the front of the main body 1 is movably connected with a door body 20, the front of the door body 20 is fixedly connected with a handle 22, the front of the door body 20 is positioned above the handle 22, an observation window 21 is formed, the function of conveniently cleaning and maintaining and taking out a workpiece is achieved, the machining condition can be observed by using the observation window 21, and the surface of the observation window 21 is pasted with a filter film, so that eyes can be protected.

Preferably, the front of the main body 1 is fixedly connected with a control panel 23 positioned on the right side of the door body 20, the front of the control panel 23 is fixedly connected with a display screen 24, and the front of the control panel 23 is movably connected with a key 25 positioned below the display screen 24, so that the control device can be conveniently operated, and meanwhile, the processing parameters are set.

Preferably, the bottom of the main body 1 is fixedly connected with a leg 18, and the bottom of the leg 18 is fixedly connected with a foot pad 19, so as to play a role in conveniently positioning and supporting.

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. A low heat input multifilament electric arc vibration material disk of metallic structure spare, includes main part (1), its characterized in that: the inner top of the main body (1) is fixedly connected with a mounting seat (5), the lower surface of the mounting seat (5) is movably connected with a mechanical arm (6), one end of the mechanical arm (6) is fixedly connected with a mounting plate (11), and the upper surface of the mounting plate (11) and the left side and the right side of the mechanical arm (6) are fixedly connected with a wire storage device (10); the left inner side wall of the main body (1) is fixedly connected with a purification device (7); the wire storage device (10) comprises a first rotating shaft (26), a second rotating shaft (31) and a wire feeding roller (32), wherein the first rotating shaft (26) and the second rotating shaft (31) are movably connected to the inner side wall of the wire storage device (10), the second rotating shaft (31) is positioned at the lower right side of the first rotating shaft (26), the wire feeding roller (32) is fixedly connected to the outer surface of the second rotating shaft (31), the second rotating shaft (31) is driven by a servo motor, a pressure sensor (27) is fixedly connected to the inner part of the first rotating shaft (26), a placing groove (30) is formed in the surface of the first rotating shaft (26), a spring (28) is fixedly connected to the surface of the pressure sensor (27), a supporting block (29) is fixedly connected to the spring (28) in a penetrating mode, a guide rod (36) is fixedly connected to the surface of the first rotating shaft (26) and positioned at the front side and the rear side of the spring (28), the guide rod (36) penetrates through the supporting block (29), the supporting block (29) is arc-shaped, when the spring (28) presses the pressure sensor (27), a pressure value can be measured at the moment, the wire feeder (4) can measure different values according to the pressure sensor (27), different wire feeding speeds are adjusted by controlling the wire feeder (4) through the controller assembly (15), and the first rotating shaft (26) can not generate a dislocation phenomenon when the supporting block (29) is driven to rotate through the guide rod (36).

2. The low heat input multi-wire arc additive manufacturing apparatus of a metallic structural part according to claim 1, wherein: purifier (7) include air extractor (33), activated carbon filter (34), three way catalyst converter (35), exhaust duct (9) fixed connection is in the inside of purifier (7), air extractor (33) and three way catalyst converter (35), the equal fixed connection of activated carbon filter (34) are on the surface of exhaust duct (9), the upper surface of air extractor (33) and the interior top fixed connection of purifier (7), the surface of three way catalyst converter (35) and the inside wall fixed connection of purifier (7), activated carbon filter (34) and the interior bottom fixed connection of purifier (7), the one end of exhaust duct (9) extends to the outside of main part (1).

3. The low heat input multi-wire arc additive manufacturing apparatus of a metallic structural part according to claim 2, wherein: the other end fixedly connected with corrugated hose (8) of exhaust duct (9), the one end fixed connection of corrugated hose (8) is at the upper surface of mounting panel (11), corrugated hose (8) are located the front side of arm (6), the through-hole has been seted up to the upper surface of mounting panel (11) and the inside that is located corrugated hose (8).

4. The low heat input multi-wire arc additive manufacturing apparatus of a metallic structural part according to claim 1, wherein: the interior bottom fixedly connected with controller assembly (15) of main part (1), the interior bottom of main part (1) and the right side fixedly connected with current regulator (16) that are located controller assembly (15), the interior bottom of main part (1) and be close to right side edge fixedly connected with current converter (17), the inside of main part (1) and be close to bottom edge fixedly connected with fixed plate (2), the last fixed surface of fixed plate (2) is connected with workstation (3).

5. The low heat input multi-wire arc additive manufacturing apparatus of a metallic structural part according to claim 1, wherein: the interior top of main part (1) just is close to about and the equal fixedly connected with of edge department send silk machine (4), the lower surface of mounting panel (11) just is close to about and the equal fixedly connected with mounting (12) of edge department, the bottom fixedly connected with seal wire ware (14) of mounting (12), the lower surface of mounting panel (11) just is located fixedly connected with tungsten utmost point (13) between seal wire ware (14).

6. The low heat input multi-wire arc additive manufacturing apparatus of a metallic structural part according to claim 1, wherein: the front of main part (1) swing joint has a door body (20), the front fixedly connected with handle (22) of door body (20), observation window (21) have been seted up in the front of door body (20) and the top that is located handle (22).

7. The low heat input multi-wire arc additive manufacturing apparatus of a metallic structural part according to claim 1, wherein: the front of main part (1) just is located right side fixedly connected with control panel (23) of the door body (20), the front fixedly connected with display screen (24) of control panel (23), the front of control panel (23) just is located the below swing joint of display screen (24) and has button (25).

8. The low heat input multi-wire arc additive manufacturing apparatus of a metallic structural part according to claim 1, wherein: the bottom fixedly connected with landing leg (18) of main part (1), the bottom fixedly connected with callus on the sole (19) of landing leg (18).