A swinging arc additive manufacturing printing device

Abstract

The present invention belongs to the technical field of electric arc additive manufacturing, and in particular to an oscillating electric arc additive manufacturing printing device. In view of the problem in the prior art that, during the printing process, the device cannot be adjusted according to the printed shape, and cannot protect the gas, which will cause the molten pool to oxidize, thereby affecting the printing effect, the following scheme is proposed, which includes a printing body and an E frame respectively arranged on the top of the printing body and four supporting legs at the bottom; a support plate, fixedly installed on one side of the E frame, and an installation box, slidably installed on the top of the E frame; a moving mechanism, arranged inside the E frame, for moving the installation box; an adjusting mechanism, arranged on the front side of the printing body; a stirring mechanism, arranged on the top of the support plate; a melting mechanism, arranged on the top of the support plate, for melting metal. During the printing process, the present invention can adapt to different shapes for printing, and can protect the gas to prevent the molten pool from oxidizing, thereby improving the printing effect.

Description

Technical Field

[0001] The present invention relates to the technical field of arc additive manufacturing, and in particular to a swinging arc additive manufacturing printing device. Background Art

[0002] With the development of arc additive manufacturing technology, higher requirements are placed on the flexibility and precision of the printing device. The swinging arc additive manufacturing printing device came into being. It introduces a swinging mechanism in the arc melting process to achieve precise control of the shape and size of the printed part. This device usually includes a welding gun, a shielding gas nozzle, a welding gun chuck, an arc swing device (or a semi-circular swing device), a swing connecting rod, a swing motor and other key components.

[0003] In the prior art, during the printing process, the printing shape cannot be adjusted and the protective gas cannot be used, which will cause oxidation of the molten pool and thus affect the printing effect.

[0004] Therefore, we proposed a swinging arc additive manufacturing printing device to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art that, during the printing process, the printing shape cannot be adjusted and the gas cannot be protected, which will cause oxidation of the molten pool and thus affect the printing effect. A swinging arc additive manufacturing printing device is proposed.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A swinging arc additive manufacturing printing device, comprising:

[0008] A printing body and an E frame respectively arranged on the top of the printing body and four supporting legs at the bottom;

[0009] Support plate, fixedly installed on one side of the E frame;

[0010] Installation box, slidably mounted on the top of the E frame;

[0011] The moving mechanism is arranged inside the E frame and is used to move the installation box;

[0012] An adjustment mechanism is arranged on the front side of the printing body;

[0013] A stirring mechanism is arranged on the top of the supporting plate;

[0014] A melting mechanism, disposed on the top of the support plate, for melting the metal;

[0015] An elimination mechanism, arranged on the top of the support plate, is used to eliminate bubbles;

[0016] The protection mechanism is arranged at the front side of the E frame and is used to protect the gas;

[0017] The dust collection mechanism is arranged on the front side of the E frame;

[0018] The swing mechanism is arranged on the front side of the E frame, and the moving mechanism includes a first motor arranged inside the E frame, the output shaft of the first motor is fixedly installed with a screw rod, and the screw rod is rotatably connected to the E frame, a first connecting block is threadedly connected to the screw rod, the first connecting block is fixedly connected to the installation box, and the first connecting block is slidably connected to the E frame, so that the device can be adjusted left and right, and the adjustment mechanism includes a fixed block fixedly installed on the front side of the printing body, a second motor is arranged inside the fixed block, a first threaded rod is fixedly installed on the output shaft of the second motor, and the first threaded rod is rotatably connected to the fixed block, a second connecting block is threadedly connected to the first threaded rod, a moving frame is fixedly installed on the front side of the second connecting block, and the second connecting block and the moving frame The two stirring blades are fixedly installed on the outer surface of the stirring shaft, and the stirring shaft is rotatably connected to the fixed plate and the melting box. The top of the melting box is provided with a first opening, and the bottom of the two heating boxes is provided with a second opening. The output shaft of the driving motor drives the stirring shaft to stir, and the stirring blades are driven to stir during the rotation of the stirring shaft, so as to stir the metal. Stirring can prolong the solidification time of the metal, the melting mechanism includes a first bevel gear fixedly installed on the outer surface of the stirring shaft, the two heating boxes are rotatably installed with a rotating shaft inside, the first bevel gear is meshed with a second bevel gear, the second bevel gear is fixedly installed with a first rotating rod, the outer surface of the first rotating rod is fixedly installed with a second sprocket, the top of the two heating boxes are fixedly installed with a heater, and the bottom of the two heaters are fixedly installed with a heating rod, the inside of the two heating boxes are fixedly installed with a first filter, the outer surfaces of the two rotating shafts are fixedly installed with fan blades and a third bevel gear, the two third bevel gears are meshed with a fourth bevel gear, the two fourth bevel gears are fixedly installed with a second rotating rod, the two second rotating rods are fixedly installed The outer surface of the moving rod is fixedly mounted with a first sprocket, the two first sprockets are meshed with the second sprocket with the same first chain, and the outer surfaces of the first rotating rod and the two second rotating rods are rotatably mounted with the same mounting plate, the mounting plate is fixedly connected to the melting box, and the two heaters are started at the same time, and heating is performed through the two heating rods. When the wind contacts the heating rods, a large amount of hot wind is generated, and the hot wind enters the melting box through the first opening and the second opening, and can melt the metal inside the melting box, and can melt the metal inside the melting box quickly and efficiently, thereby improving production efficiency and making the metal printing process faster and more flexible. The elimination mechanism includes a vibration box fixedly mounted on the top of the support plate, and the outer surface of one of the second rotating rods is fixedly mounted with a third sprocket,The third sprocket is meshed with a second chain, and the second chain is meshed with a fourth sprocket, and a rotating shaft is fixedly installed on the fourth sprocket, and the rotating shaft is rotatably connected to the mounting plate, and a fifth bevel gear is fixedly installed on the outer surface of the rotating shaft, and the fifth bevel gear is meshed with a sixth bevel gear, and a lifting rod is fixedly installed on the bottom of the sixth bevel gear, and the rotating shaft and the lifting rod are both rotatably installed with the same fixed box, and the fixed box is slidably connected to the melting box, and a threaded connecting rod is fixedly installed on the bottom of the lifting rod, and the threaded connecting rod and the lifting rod are both rotatably connected to the vibration box, and a moving block is threadedly connected to the threaded connecting rod, and the moving block is fixedly connected to the melting box, and the moving block and the melting box are both slidably connected to the vibration box, so that during the vibration process, Lifting the lifting rod can eliminate metal bubbles inside the melting box. Eliminating bubbles can make the metal denser and avoid problems such as pores, looseness, and cracks in the printed part caused by bubbles in the metal, thereby improving the strength of the printed part. The protective mechanism includes a welding box rotatably installed on the front side of the installation box, a printing box is fixedly installed on one side of the welding box, and a nozzle is fixedly installed on the bottom of the printing box. A groove is provided inside the printing box, and a first motor is fixedly installed on the inner wall of the groove. A second threaded rod is fixedly installed on the output shaft of the first motor, and the second threaded rod is rotatably connected to the groove. A translation block is threadedly connected to the outer surface of the second threaded rod, and a top block is fixedly installed on one side of the translation block. , the translation block and the top block are both slidably connected with the groove, a protective cover is provided at the bottom of the printing box, a card slot is provided inside the protective cover, a spring is fixedly installed on the inner wall of the card slot, and an inclined block is fixedly installed on the top of the spring. The first motor is started, and the output shaft of the first motor drives the second threaded rod to rotate. During the rotation of the second threaded rod, the translation block is driven to move downward. The downward movement of the translation block will drive the top block to move downward. When the top block moves downward, the inclined block can be pushed out, which will compress the spring, so that the protective cover can be taken out, which can protect the gas and prevent the molten pool from oxidizing. The dust suction mechanism includes a dust suction box fixedly installed on the rear side of the welding box, a welding gun is fixedly installed at the bottom of the welding box, a transmission motor is provided inside the dust suction box, and the dust suction box A second filter is fixedly installed inside the dust suction box, a hose is fixedly installed at the bottom of the dust suction box, a nozzle is fixedly installed at one end of the hose, a mounting rod is fixedly installed on the output shaft of the transmission motor, a fan and a seventh bevel gear are fixedly installed on the outer surface of the mounting rod, the seventh bevel gear is meshed with an eighth bevel gear, a rotating column is fixedly installed on the bottom of the eighth bevel gear, the rotating column is rotatably connected to the dust suction box, a cam is fixedly installed on the outer surface of the rotating column, a cam groove is provided on the outer surface of the cam, a reciprocating rod is slidably installed on the cam groove, and the reciprocating rod is fixedly connected to the nozzle, so that the nozzle can be driven to reciprocate, and dust is sucked according to the welding position, and the nozzle can suck dust in a large range, thereby improving the efficiency of welding quality.The cam is an angularly-spaced gear that is engaged with the first and second gears and is arranged on a cam face and on a cam face. The cam face is engaged with the first and second gears and is arranged on a cam face and on a cam face. The cam face is engaged with the first and second gears and is arranged on a cam face and on a cam face. A second positioning rod is fixedly installed on each of the plurality of gears, and the second positioning rod is rotatably connected to the dust collection box. A fifth sprocket is fixedly installed on the outer surface of the second positioning rod, and the fifth sprocket is meshed with a third chain, and a sixth sprocket is meshed on the third chain. A first support rod is fixedly installed on the sixth sprocket, and the first support rod is rotatably connected to the installation box. A spring plate is fixedly installed on the outer surface of the first support rod, and a third gear is fixedly installed on the top of the spring plate, and a fourth gear is meshed on the third gear. A second support rod is fixedly installed on the fourth gear, and the second support rod is rotatably connected to the installation box. The second support rod is fixedly connected to the welding box, and the spring plate will rebound during the rotation, so that the welding box can be reciprocated, and the printing rate and the width of the printed part can be accurately controlled, so that it can adapt to printed parts of different widths and shapes and meet diversified printing needs.

[0019] In the present invention, the beneficial effects of the swing-type arc additive manufacturing printing device are:

[0020] Since the moving mechanism and the adjusting mechanism are provided, the device can be adjusted left and right;

[0021] Since a stirring mechanism is provided, the metal can be stirred to prevent the metal from solidifying;

[0022] Due to the provision of a melting mechanism, when the wind contacts the heating rod, a large amount of hot wind is generated, and the hot wind enters the melting box through the first opening and the second opening, and can melt the metal inside the melting box, and can melt the metal inside the melting box quickly and efficiently, thereby improving production efficiency and making the metal printing process faster and more flexible;

[0023] Due to the elimination mechanism, the lifting rod can be raised and lowered during the vibration process, which can eliminate the metal bubbles inside the melting box. Eliminating the bubbles can make the metal denser and avoid the problems of pores, looseness, cracks, etc. in the printed parts caused by the bubbles in the metal, thereby improving the strength of the printed parts;

[0024] The protective mechanism is set up to protect the gas and prevent the molten pool from oxidation;

[0025] Since a dust suction mechanism is provided, dust suction is performed according to the welding position, and the nozzle can perform dust suction over a large area, thus improving the efficiency of welding quality;

[0026] Due to the setting of the swing mechanism, the welding box can be moved back and forth, and the printing rate and the width of the printed part can be accurately controlled. It can adapt to prints of different widths and shapes and meet diverse printing needs.

[0027] The present invention can adapt to printing in different shapes during the printing process, and can protect the gas to prevent the molten pool from oxidation, thereby improving the printing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A schematic diagram of the structure of a swing-type arc additive manufacturing printing device proposed by the present invention;

[0029] Figure 2 It is a schematic diagram of the structure of a swing-type arc additive manufacturing printing device from the rear view proposed by the present invention;

[0030] Figure 3 It is a front view structural schematic diagram of a swing-type arc additive manufacturing printing device proposed by the present invention;

[0031] Figure 4 A schematic diagram of the structure of a moving mechanism of a swing-type arc additive manufacturing printing device proposed by the present invention;

[0032] Figure 5 A schematic diagram of the structure of an adjustment mechanism of a swing-type arc additive manufacturing printing device proposed by the present invention;

[0033] Figure 6 A schematic diagram of the structure of a melting box of a swing-type arc additive manufacturing printing device proposed by the present invention;

[0034] Figure 7 A schematic diagram of the structure inside a melting box of a swing-type arc additive manufacturing printing device proposed by the present invention;

[0035] Figure 8 A schematic diagram of the structure of a stirring mechanism of a swing-type arc additive manufacturing printing device proposed by the present invention;

[0036] Fig. 9 A swinging arc additive manufacturing printing device proposed by the present invention Figure 7 The enlarged structural diagram of part A in the middle;

[0037] Fig.10 A swinging arc additive manufacturing printing device proposed by the present invention Figure 6 The enlarged structural diagram of part B in the middle;

[0038] Fig.11 A schematic diagram of the structure of a printing box of a swing-type arc additive manufacturing printing device proposed by the present invention;

[0039] Fig.12 A schematic diagram of the structure of a protection mechanism of a swing-type arc additive manufacturing printing device proposed by the present invention;

[0040] Fig.13 A swinging arc additive manufacturing printing device proposed by the present invention Fig.12 The enlarged structural diagram of part C in the middle;

[0041] Fig.14 A schematic diagram of the structure of the interior of a dust collection box of a swing-type arc additive manufacturing printing device proposed by the present invention;

[0042] Fig.15 A schematic diagram of the structure of a swing mechanism and a dust suction mechanism of a swing-type arc additive manufacturing printing device proposed by the present invention;

[0043] Fig.16 A schematic structural diagram of a first support rod of a swing-type arc additive manufacturing printing device proposed by the present invention;

[0044] Fig.17 A swinging arc additive manufacturing printing device proposed by the present invention Fig.14 Schematic diagram of the structure with part D enlarged.

[0045] In the figure: 1. Printing body; 2. E frame; 3. Support legs; 4. Fixed block; 5. Support plate; 6. Melting box; 7. Vibration box; 8. First motor; 9. Screw; 10. First connecting block; 11. Installation box; 12. Welding box; 13. Printing box; 14. Dust collection box; 15. Second motor; 16. First threaded rod; 17. Second connecting block; 18. Moving frame; 19. Feed port; 20. Heating box; 21. Driving motor machine; 22, stirring shaft; 23, stirring blade; 24, first bevel gear; 25, second bevel gear; 26, rotating shaft; 27, fan blade; 28, third bevel gear; 29, fourth bevel gear; 30, second rotating rod; 31, first sprocket; 32, second sprocket; 33, first chain; 34, third sprocket; 35, second chain; 36, fourth sprocket; 37, rotating shaft; 38, fifth bevel gear; 39, sixth bevel gear; 40, welding gun; 41, nozzle; 42, protective sleeve; 43, spring; 44, inclined block; 45, first motor; 46, second threaded rod; 47, translation block; 48, top block; 49, hose; 50, transmission motor; 51, mounting rod; 52, fan; 53, seventh bevel gear; 54, eighth bevel gear; 55, rotating column; 56, cam; 57, reciprocating rod; 58, first gear; 59, second gear; 60, first positioning rod; 61 , the first large gear; 62, the first small gear; 63, the block groove; 64, the block; 65, the second small gear; 66, the second large gear; 67, the second positioning rod; 68, the hydraulic cylinder; 69, the push plate; 70, the fifth sprocket; 71, the third chain; 72, the sixth sprocket; 73, the first support rod; 74, the third gear; 75, the spring plate; 76, the fourth gear; 77, the second support rod; 78, the lifting rod; 79, the threaded connecting rod. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Embodiment 1

[0047] Reference Figure 1-Figure 17 , a swinging arc additive manufacturing printing device, comprising:

[0048] A printing body 1 and an E frame 2 respectively arranged on the top of the printing body 1 and four supporting legs 3 at the bottom;

[0049] A support plate 5 is fixedly mounted on one side of the E frame 2;

[0050] Installation box 11, slidably mounted on the top of E frame 2;

[0051] A moving mechanism, disposed inside the E frame 2, for moving the installation box 11;

[0052] The adjustment mechanism is arranged at the front side of the printing body 1;

[0053] A stirring mechanism is arranged on the top of the support plate 5;

[0054] A melting mechanism, disposed on the top of the support plate 5, for melting the metal;

[0055] An elimination mechanism, arranged on the top of the support plate 5, for eliminating bubbles;

[0056] A protection mechanism, arranged at the front side of the E frame 2, is used to protect the gas;

[0057] A dust collecting mechanism is arranged on the front side of the E frame 2;

[0058] The swing mechanism is arranged on the front side of the E frame 2.

[0059] In this embodiment, the moving mechanism includes a first motor 8 arranged inside the E frame 2, the output shaft of the first motor 8 is fixedly installed with a screw 9, and the screw 9 is rotatably connected to the E frame 2, a first connecting block 10 is threadedly connected to the screw 9, the first connecting block 10 is fixedly connected to the installation box 11, and the first connecting block 10 is slidably connected to the E frame 2.

[0060] In this embodiment, the adjustment mechanism includes a fixed block 4 fixedly installed on the front side of the printing body 1, a second motor 15 is arranged inside the fixed block 4, a first threaded rod 16 is fixedly installed on the output shaft of the second motor 15, and the first threaded rod 16 is rotatably connected to the fixed block 4, a second connecting block 17 is threadedly connected to the first threaded rod 16, a movable frame 18 is fixedly installed on the front side of the second connecting block 17, and the second connecting block 17 and the movable frame 18 are both slidably connected to the fixed block 4.

[0061] In this embodiment, the stirring mechanism includes a melting box 6 slidably installed on one side of the E frame 2, a feed port 19 is fixedly installed on one side of the melting box 6, heating boxes 20 are fixedly installed on both sides of the top of the melting box 6, a fixed plate is fixedly installed between the two heating boxes 20, a driving motor 21 is arranged on the top of the fixed plate, a stirring shaft 22 is fixedly installed on the output shaft of the driving motor 21, a plurality of stirring blades 23 are fixedly installed on the outer surface of the stirring shaft 22, and the stirring shaft 22 is rotatably connected to the fixed plate and the melting box 6, a first opening is arranged on the top of the melting box 6, and a second opening is arranged on the bottom of the two heating boxes 20.

[0062] In this embodiment, the melting mechanism includes a first bevel gear 24 fixedly mounted on the outer surface of the stirring shaft 22, a rotating shaft 26 is rotatably mounted inside the two heating boxes 20, the first bevel gear 24 is meshed with a second bevel gear 25, a first rotating rod is fixedly mounted on the second bevel gear 25, a second sprocket 32 ​​is fixedly mounted on the outer surface of the first rotating rod, a heater is fixedly mounted on the top of the two heating boxes 20, and a heating rod is fixedly mounted on the bottom of the two heaters, and a first filter is fixedly mounted inside the two heating boxes 20.

[0063] In this embodiment, the outer surfaces of the two rotating shafts 26 are fixedly mounted with fan blades 27 and a third bevel gear 28, the two third bevel gears 28 are meshed with a fourth bevel gear 29, the two fourth bevel gears 29 are fixedly mounted with a second rotating rod 30, the outer surfaces of the two second rotating rods 30 are fixedly mounted with a first sprocket 31, the two first sprockets 31 and the second sprocket 32 ​​are meshed with the same first chain 33, and the outer surfaces of the first rotating rod and the two second rotating rods 30 are rotatably mounted with the same mounting plate, and the mounting plate is fixedly connected to the melting box 6.

[0064] In this embodiment, the elimination mechanism includes a vibration box 7 fixedly mounted on the top of the support plate 5, and a third sprocket 34 is fixedly mounted on the outer surface of one of the second rotating rods 30, the third sprocket 34 is meshed with a second chain 35, and the second chain 35 is meshed with a fourth sprocket 36, and a rotating shaft 37 is fixedly mounted on the fourth sprocket 36, and the rotating shaft 37 is rotatably connected to the mounting plate, a fifth bevel gear 38 is fixedly mounted on the outer surface of the rotating shaft 37, and the fifth bevel gear 38 is meshed with a sixth bevel gear 39, and a lifting rod 78 is fixedly mounted on the bottom of the sixth bevel gear 39, and the same fixed box is rotatably mounted on the rotating shaft 37 and the lifting rod 78, and the fixed box is slidably connected to the melting box 6, and a threaded connecting rod 79 is fixedly mounted on the bottom of the lifting rod 78, and the threaded connecting rod 79 and the lifting rod 78 are both rotatably connected to the vibration box 7, and a moving block is threadedly connected to the threaded connecting rod 79, and the moving block is fixedly connected to the melting box 6, and the moving block and the melting box 6 are both slidably connected to the vibration box 7.

[0065] In this embodiment, the protective mechanism includes a welding box 12 rotatably installed on the front side of the installation box 11, a printing box 13 is fixedly installed on one side of the welding box 12, a nozzle 41 is fixedly installed on the bottom of the printing box 13, a groove is arranged inside the printing box 13, a first motor 45 is fixedly installed on the inner wall of the groove, a second threaded rod 46 is fixedly installed on the output shaft of the first motor 45, and the second threaded rod 46 is rotatably connected to the groove, a translation block 47 is threadedly connected to the outer surface of the second threaded rod 46, a top block 48 is fixedly installed on one side of the translation block 47, and both the translation block 47 and the top block 48 are slidably connected to the groove, a protective sleeve 42 is arranged at the bottom of the printing box 13, a card slot is arranged inside the protective sleeve 42, a spring 43 is fixedly installed on the inner wall of the card slot, and an inclined block 44 is fixedly installed on the top of the spring 43.

[0066] In this embodiment, the dust suction mechanism includes a dust suction box 14 fixedly installed on the rear side of the welding box 12, a welding gun 40 is fixedly installed at the bottom of the welding box 12, a transmission motor 50 is arranged inside the dust suction box 14, a second filter is fixedly installed inside the dust suction box 14, a hose 49 is fixedly installed at the bottom of the dust suction box 14, a nozzle is fixedly installed at one end of the hose 49, a mounting rod 51 is fixedly installed on the output shaft of the transmission motor 50, a fan 52 and a seventh bevel gear 53 are fixedly installed on the outer surface of the mounting rod 51, the seventh bevel gear 53 is meshed with the eighth bevel gear 54, a rotating column 55 is fixedly installed on the bottom of the eighth bevel gear 54, the rotating column 55 is rotatably connected to the dust suction box 14, a cam 56 is fixedly installed on the outer surface of the rotating column 55, a cam groove is arranged on the outer surface of the cam groove, a reciprocating rod 57 is slidably installed on the cam groove, and the reciprocating rod 57 is fixedly connected to the nozzle.

[0067] In this embodiment, the swing mechanism includes a first gear 58 rotatably mounted on the outer surface of the mounting rod 51 and a hydraulic cylinder 68 arranged inside the dust box 14. The first gear 58 is meshed with the second gear 59, and a first positioning rod 60 is movably mounted on the second gear 59. Two clamping blocks 64 are movably mounted on the outer surface of the first positioning rod 60, and the two clamping blocks 64 are located on both sides of the second gear 59, and the first positioning rod 60 is rotatably connected to the dust box 14, and a first large gear 61 and a first small gear 62 are rotatably mounted on the outer surface of the first positioning rod 60. A clamping block groove 63 is rotatably mounted on the outer surface of the first positioning rod 60, and the clamping block groove 63 is located on one side of the first large gear 61 and the first small gear 62. A push plate 69 is fixedly mounted on the output shaft of the hydraulic cylinder 68, and the push plate 69 is slidably connected to the dust box 14. The push plate 69 is movably connected to the first gear 58 and the second gear 59. A large gear 61 and the first small gear 62 are both meshed with a second small gear 65 and a second large gear 66, and a second positioning rod 67 is fixedly installed on the second small gear 65 and the second large gear 66, and the second positioning rod 67 is rotatably connected to the dust collection box 14, and a fifth sprocket 70 is fixedly installed on the outer surface of the second positioning rod 67, and the fifth sprocket 70 is meshed with a third chain 71, and the third chain 71 is meshed with a sixth sprocket 72, and a first support rod 73 is fixedly installed on the sixth sprocket 72, and the first support rod 73 is rotatably connected to the installation box 11, and a spring plate 75 is fixedly installed on the outer surface of the first support rod 73, and a third gear 74 is fixedly installed on the top of the spring plate 75, and the third gear 74 is meshed with a fourth gear 76, and a second support rod 77 is fixedly installed on the fourth gear 76, and the second support rod 77 is rotatably connected to the installation box 11, and the second support rod 77 is fixedly connected to the welding box 12.

[0068] In the present invention, when in use, the metal is fed into the melting box 6 through the feed port 19, and then the drive motor 21 is started. The output shaft of the drive motor 21 drives the stirring shaft 22 to stir. During the rotation of the stirring shaft 22, the stirring blades 23 are driven to stir, so as to stir the metal and prevent the metal from solidifying. At the same time, the stirring shaft 22 drives the first bevel gear 24 to rotate, the first bevel gear 24 drives the second bevel gear 25 to rotate, the second bevel gear 25 drives the first rotating rod to rotate, and during the rotation of the first rotating rod, the second sprocket 32 ​​is driven to rotate, and the two first sprockets 31 are driven to rotate through the first chain 33, the two first sprockets 31 drive the two second rotating rods 30 to rotate, and the two second rotating rods 30 drive the two fourth bevel gears 29 to rotate. , the two fourth bevel gears 29 drive the two third bevel gears 28 to rotate, the two third bevel gears 28 drive the two rotating shafts 26 to rotate, the two rotating shafts 26 drive the two fan blades 27 to blow air, and at the same time, the two heaters are started, and the two heating rods are heated. When the wind contacts the heating rods, a large amount of hot air will be generated, and the hot air enters the melting box 6 through the first opening and the second opening, and can melt the metal inside the melting box 6, and can quickly and efficiently melt the metal inside the melting box 6, thereby improving the production efficiency and making the metal printing process faster and more flexible. When a large number of bubbles are generated during the stirring process, one of the second rotating rods 30 drives the third sprocket 34 to rotate, and drives the fourth sprocket 36 to rotate through the second chain 35, and the fourth sprocket 3 6 drives the rotating shaft 37 to rotate, and during the rotation of the rotating shaft 37, the fifth bevel gear 38 is driven to rotate, the fifth bevel gear 38 rotates, the fifth bevel gear 38 drives the sixth bevel gear 39 to rotate, and the sixth bevel gear 39 drives the lifting rod 78 to rotate, the lifting rod 78 drives the threaded connecting rod 79 to rotate, and during the rotation of the threaded connecting rod 79, the moving block is driven to move up and down, and the moving block drives the melting box 6 to move up and down. During the vibration process, the lifting rod 78 can be lifted and lowered, and the metal bubbles inside the melting box 6 can be eliminated. Eliminating bubbles can make the metal denser, and can avoid the bubbles in the metal may cause pores, looseness, cracks and other problems in the printed part, thereby improving the strength of the printed part. In the process of moving the printing device Then, the first motor 8 is started, and the output shaft of the first motor 8 drives the screw 9 to rotate. During the rotation of the screw 9, the first connecting block 10 is driven to move left and right. During the movement of the first connecting block 10, the installation box 11 is driven to move left and right. The installation box 11 drives the welding box 12 to move left and right. The welding box 12 drives the printing box 13 and the dust collection box 14 to move left and right. When they move to a certain position, printing can be started. Then the second motor 15 is started, and the output shaft of the second motor 15 drives the first threaded rod 16 to rotate. During the rotation of the first threaded rod 16, the second connecting block 17 is driven to move left and right. The second connecting block 17 drives the moving frame 18 to move left and right, and the device can be adjusted left and right. Before printing, the first motor 45 is started.The output shaft of the first motor 45 drives the second threaded rod 46 to rotate, and the second threaded rod 46 drives the translation block 47 to move downward during the rotation, and the downward movement of the translation block 47 drives the top block 48 to move downward, and when the top block 48 moves downward, it can push out the inclined block 44 and compress the spring 43, so that the protective cover 42 can be taken out, which can protect the gas and prevent the molten pool from oxidizing; during the welding process, the transmission motor 50 is started, and the output shaft of the transmission motor 50 drives the installation rod 51 to rotate, and the installation rod 51 drives the fan 52 to perform dust removal during the rotation, and welding is performed after printing is completed, and dust removal is performed during the welding process, which has the advantages of improving the cleanliness of the welding working environment, ensuring the health and safety of workers, and improving welding Quality and efficiency, extend the service life of the equipment. At the same time, the mounting rod 51 drives the seventh bevel gear 53 to rotate, the seventh bevel gear 53 drives the eighth bevel gear 54 to rotate, the eighth bevel gear 54 drives the rotating column 55 to rotate, the rotating column 55 drives the cam 56 to rotate, and the cam 56 drives the reciprocating rod 57 to move back and forth, thereby driving the nozzle to move back and forth, and vacuuming is performed according to the welding position, and the nozzle can vacuum dust over a large range, which improves the efficiency of welding quality, and swings during printing and welding. The mounting rod 51 drives the first gear 58 to drive the second gear 59 to rotate, the second gear 59 drives the first positioning rod 60 to rotate, and the first positioning rod 60 drives the first large gear 61 and the first small gear 62 to rotate. When the pair is swung during the printing and welding process, the hydraulic cylinder 68 is started, and the hydraulic cylinder 68 pushes the push plate 69 to move forward. During the movement of the push plate 69, the first gear 58 and the second gear 59 are driven to move forward. The first gear 58 drives the two blocks 64 to move backward, and one of the blocks 64 is inserted into the block slot 63. During the insertion of the block slot 63, the first large gear 61 is driven to rotate, and the first large gear 61 drives the second small gear 65 to rotate, and the second small gear 65 drives the second positioning rod 67 to rotate, and the second positioning rod 67 drives the second large gear 66 to rotate, and the second large gear 66 drives the first small gear 62 to rotate, which can reduce the speed of the second positioning rod 67. The second positioning rod 67 drives The fifth sprocket 70 is driven to rotate, and the sixth sprocket 72 is driven to rotate through the third chain 71, and the sixth sprocket 72 drives the first support rod 73 to rotate, and the first support rod 73 drives the spring plate 75 to rotate, and the spring plate 75 drives the third gear 74 to rotate, and the third gear 74 drives the fourth gear 76 to rotate, and the fourth gear 76 drives the second support rod 77 to rotate, and the second support rod 77 drives the welding box 12 to swing left and right. The spring plate 75 will rebound during the rotation, and the welding box 12 can be reciprocated, and the printing speed and the width of the print can be accurately controlled. It can adapt to prints of different widths and shapes and meet diversified printing needs. When printing is completed, the protective cover 42 is inserted into the printing box. Embodiment 2

[0069] The difference between this embodiment and the first embodiment is that a push rod motor is arranged on the top of the two heating boxes 20, and a brush is fixedly installed on the bottom of the push rod motor. The push rod motor pushes the brush for cleaning, which can clean the first filter screen and prevent a large amount of dust from remaining on the first filter screen.

[0070] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A swinging arc additive manufacturing printing device, characterized in that: include: A printing body (1) and an E frame (2) respectively arranged on the top of the printing body (1) and four supporting legs (3) at the bottom; A support plate (5) is fixedly mounted on one side of the E frame (2); An installation box (11) is slidably mounted on the top of the E frame (2); A moving mechanism, arranged inside the E frame (2), for moving the installation box (11); An adjustment mechanism, arranged on the front side of the printing body (1); A stirring mechanism, arranged on the top of the support plate (5); A melting mechanism, arranged on the top of the support plate (5) and used for melting the metal; An elimination mechanism, arranged on the top of the support plate (5) and used for eliminating bubbles; A protection mechanism, arranged on the front side of the E frame (2) and used for protecting the gas; A dust suction mechanism is arranged on the front side of the E frame (2), the protection mechanism comprising a welding box (12) rotatably mounted on the front side of the mounting box (11), a printing box (13) being fixedly mounted on one side of the welding box (12), a nozzle (41) being fixedly mounted on the bottom of the printing box (13), a groove being arranged inside the printing box (13), a first motor (45) being fixedly mounted on the inner wall of the groove, a second threaded rod (46) being fixedly mounted on the output shaft of the first motor (45), and the second threaded rod (46) The second threaded rod (46) is rotatably connected to the groove, the outer surface of the second threaded rod (46) is threadedly connected to a translation block (47), one side of the translation block (47) is fixedly mounted with a top block (48), the translation block (47) and the top block (48) are both slidably connected to the groove, a protective sleeve (42) is provided at the bottom of the printing box (13), a card slot is provided inside the protective sleeve (42), a spring (43) is fixedly mounted on the inner wall of the card slot, and an inclined block (44) is fixedly mounted on the top of the spring (43), and the dust suction mechanism includes A dust collection box (14) is fixedly mounted on the rear side of the welding box (12); a welding gun (40) is fixedly mounted on the bottom of the welding box (12); a transmission motor (50) is arranged inside the dust collection box (14); a second filter is fixedly mounted inside the dust collection box (14); a hose (49) is fixedly mounted on the bottom of the dust collection box (14); a nozzle is fixedly mounted on one end of the hose (49); a mounting rod (51) is fixedly mounted on the output shaft of the transmission motor (50); and the outer portion of the mounting rod (51) is A fan (52) and a seventh bevel gear (53) are fixedly mounted on the surface, the seventh bevel gear (53) is meshed with an eighth bevel gear (54), a rotating column (55) is fixedly mounted on the bottom of the eighth bevel gear (54), the rotating column (55) is rotatably connected to the dust collection box (14), a cam (56) is fixedly mounted on the outer surface of the rotating column (55), a cam groove is provided on the outer surface of the cam (56), a reciprocating rod (57) is slidably mounted on the cam groove, and the reciprocating rod (57) is fixedly connected to the nozzle; The swing mechanism is arranged on the front side of the E frame (2) and is used to reciprocate the welding box, thereby being able to accurately control the printing speed and the width of the printed part.

2. The swing-type arc additive manufacturing printing device according to claim 1, characterized in that: The moving mechanism comprises a first motor (8) arranged inside the E frame (2); a screw rod (9) is fixedly mounted on the output shaft of the first motor (8); the screw rod (9) is rotatably connected to the E frame (2); a first connecting block (10) is threadedly connected to the screw rod (9); the first connecting block (10) is fixedly connected to the installation box (11); and the first connecting block (10) is slidably connected to the E frame (2).

3. The swing-type arc additive manufacturing printing device according to claim 2, characterized in that: The adjustment mechanism comprises a fixed block (4) fixedly mounted on the front side of the printing body (1); a second motor (15) is arranged inside the fixed block (4); a first threaded rod (16) is fixedly mounted on the output shaft of the second motor (15); the first threaded rod (16) is rotatably connected to the fixed block (4); a second connecting block (17) is threadedly connected to the first threaded rod (16); a movable frame (18) is fixedly mounted on the front side of the second connecting block (17); and both the second connecting block (17) and the movable frame (18) are slidably connected to the fixed block (4).

4. The swing-type arc additive manufacturing printing device according to claim 3, characterized in that: The stirring mechanism comprises a melting box (6) slidably mounted on one side of the E frame (2); a feed port (19) is fixedly mounted on one side of the melting box (6); heating boxes (20) are fixedly mounted on both sides of the top of the melting box (6); a fixed plate is fixedly mounted between the two heating boxes (20); a driving motor (21) is arranged on the top of the fixed plate; a stirring shaft (22) is fixedly mounted on the output shaft of the driving motor (21); a plurality of stirring blades (23) are fixedly mounted on the outer surface of the stirring shaft (22); and the stirring shaft (22) is rotatably connected to the fixed plate and the melting box (6); a first opening is arranged on the top of the melting box (6); and a second opening is arranged on the bottom of the two heating boxes (20).

5. The swing-type arc additive manufacturing printing device according to claim 4, characterized in that: The melting mechanism comprises a first bevel gear (24) fixedly mounted on the outer surface of the stirring shaft (22); a rotating shaft (26) is rotatably mounted inside the two heating boxes (20); the first bevel gear (24) is meshed with a second bevel gear (25); a first rotating rod is fixedly mounted on the second bevel gear (25); a second sprocket (32) is fixedly mounted on the outer surface of the first rotating rod; a heater is fixedly mounted on the top of the two heating boxes (20); a heating rod is fixedly mounted on the bottom of the two heaters; and a first filter is fixedly mounted inside the two heating boxes (20).

6. The swing-type arc additive manufacturing printing device according to claim 5, characterized in that: The outer surfaces of the two rotating shafts (26) are fixedly mounted with fan blades (27) and third bevel gears (28), the two third bevel gears (28) are meshed with fourth bevel gears (29), the two fourth bevel gears (29) are fixedly mounted with second rotating rods (30), the outer surfaces of the two second rotating rods (30) are fixedly mounted with first sprockets (31), the two first sprockets (31) and the second sprockets (32) are meshed with the same first chain (33), and the outer surfaces of the first rotating rod and the two second rotating rods (30) are rotatably mounted with the same mounting plate, which is fixedly connected to the melting box (6).

7. The swing-type arc additive manufacturing printing device according to claim 6, characterized in that: The elimination mechanism comprises a vibration box (7) fixedly mounted on the top of the support plate (5), and a third sprocket (34) is fixedly mounted on the outer surface of one of the second rotating rods (30), the third sprocket (34) is meshed with a second chain (35), the second chain (35) is meshed with a fourth sprocket (36), a rotating shaft (37) is fixedly mounted on the fourth sprocket (36), and the rotating shaft (37) is rotatably connected to the mounting plate, a fifth bevel gear (38) is fixedly mounted on the outer surface of the rotating shaft (37), and the fifth bevel gear (38) is meshed with a sixth bevel gear (39). ), a lifting rod (78) is fixedly mounted on the bottom of the sixth bevel gear (39), a fixed box is rotatably mounted on both the rotating shaft (37) and the lifting rod (78), the fixed box is slidably connected to the melting box (6), a threaded connecting rod (79) is fixedly mounted on the bottom of the lifting rod (78), and the threaded connecting rod (79) and the lifting rod (78) are both rotatably connected to the vibration box (7), a moving block is threadedly connected to the threaded connecting rod (79), the moving block is fixedly connected to the melting box (6), and the moving block and the melting box (6) are both slidably connected to the vibration box (7).

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