CN114473178A - Automatic wire-feeding friction stir material additive manufacturing machine - Google Patents
Automatic wire-feeding friction stir material additive manufacturing machine Download PDFInfo
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- CN114473178A CN114473178A CN202210217739.2A CN202210217739A CN114473178A CN 114473178 A CN114473178 A CN 114473178A CN 202210217739 A CN202210217739 A CN 202210217739A CN 114473178 A CN114473178 A CN 114473178A
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- 238000003756 stirring Methods 0.000 title claims abstract description 67
- 239000000654 additive Substances 0.000 title claims abstract description 60
- 230000000996 additive effect Effects 0.000 title claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 59
- 239000000463 material Substances 0.000 title claims abstract description 20
- 238000005520 cutting process Methods 0.000 claims abstract description 17
- 238000004140 cleaning Methods 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 15
- 238000013461 design Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 8
- 238000003466 welding Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 description 7
- 238000011960 computer-aided design Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000003475 lamination Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/128—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding making use of additional material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Wire Processing (AREA)
Abstract
The invention discloses a friction stir additive manufacturing machine capable of automatically feeding wires, and belongs to the field of friction stir welding/additive manufacturing. The device includes the stirring part, send a part, clearance part, and the stirring part passes through the screw connection with a part of sending, the stirring part includes main shaft box, rotary main shaft, stirring head, send a part including bearing frame, little bearing, banded silk, year material device, pinch roller, thrust cylinder, cutting device and send a partial box, thrust cylinder divide into thrust cylinder I, thrust cylinder II, the clearance part includes thrust cylinder III, motor, clearance cutter. The invention fully combines the advantages of mechanics, mechanical design and other subjects, is simple and convenient to operate, can effectively solve the problem of process flexibility in the friction stir additive manufacturing technology on the premise of ensuring the additive efficiency, realizes the seamless connection between the friction stir additive manufacturing technology of laminated additive and a computer, and improves the process flexibility and the design and manufacturing consistency.
Description
Technical Field
The invention belongs to the field of friction stir welding/additive manufacturing, and particularly relates to a friction stir additive manufacturing machine capable of automatically feeding wires.
Background
The stirring friction additive manufacturing technology is a solid lamination additive manufacturing technology, the movement track of a stirring head is set through a computer program to realize the integrated combination of computer CAD design and manufacturing, compared with the melting additive manufacturing technology, the stirring friction additive manufacturing technology has the technical advantages of low welding temperature, good processing quality, no hot processing manufacturing defects and the like, in the lamination process, the material at the part is softened by the violent friction between the stirring head and a workpiece, the softened material plastically flows from the front end to the rear part of the stirring head under the pressure action of the stirring head, and the solid additive is formed by the combined extrusion action of a shaft shoulder. For light alloys such as aluminum alloys which are difficult to weld by the traditional welding technology, the efficiency of additive manufacturing can be improved while high-quality members are obtained by adopting friction stir additive manufacturing.
In the actual friction stir additive manufacturing process, in order to realize friction stir additive manufacturing of a product with a specific shape, processing must be performed through combination and repetition of lamination additive manufacturing and machining subtractive manufacturing, so that the flexibility of an additive manufacturing processing process and the combination of a friction stir additive manufacturing technology and computer-aided design (CAD) graphic design are limited. Therefore, it is necessary to develop a friction stir additive manufacturing technology with a more flexible automatic feeding/wire technology to match with an automatic wire feeding device, so as to implement automatic wire feeding/supplementing during the additive manufacturing process, to implement the combination of the friction stir additive manufacturing technology and the computer CAD graphic design, and to improve the consistency and flexibility of product design and processing.
The invention has the significance of providing the automatic wire feeding friction stir additive manufacturing machine, which can effectively solve the problem of process flexibility in the friction stir additive manufacturing technology on the premise of ensuring the additive efficiency, realize the seamless connection between the laminated additive friction stir additive manufacturing technology and a computer, improve the process flexibility and the consistency of design and manufacture, has a simple principle and is easy to realize technically.
Disclosure of Invention
The invention can realize the friction stir additive manufacturing of automatic wire feeding, and effectively improve the process flexibility and the application range of the friction stir additive manufacturing, thereby providing the friction stir additive manufacturing machine with automatic wire feeding.
The technical scheme for realizing the functions is as follows:
the friction stir additive manufacturing machine with automatic wire feeding comprises a stirring part, a wire feeding part and a cleaning part; the stirring part and the wire feeding part are fixedly connected through a connecting frame 1;
the stirring part comprises a main shaft box body 5, a rotating main shaft 6 and a stirring head 7; the stirring head 7 is coaxially connected with the rotating main shaft 6 and is positioned at the bottom of the main shaft box body 5;
the wire feeding part comprises a bearing seat 10, a small bearing 9, a ribbon wire 13, a loading device 25, a pinch roller, a thrust hydraulic cylinder I18, a thrust hydraulic cylinder II 19, a cutting device 20, a stepping motor 21 and a wire feeding part box body 11, wherein the pinch roller comprises a fixed pinch roller 15 and a movable pinch roller 17;
the ribbon wire 13 is wound on the cylindrical part of the material loading device 25, and two ends of the cylindrical part of the material loading device 25 are arranged on the bearing block 10 through the small bearings 9 and can rotate around the shaft 14 in the cylindrical part; the bearing block is fixed at the top end of the wire feeding part box body 11; it offers logical groove 26 to send a partial box 11 top, ensures that the ribbon wire 13 of carrying material device 25 roll release can smoothly pass through logical groove 26 in the same direction as sending a partial box 11:
the number of the fixed pinch rollers 15 is two, the two fixed pinch rollers are arranged in the middle of the inside of the wire feeding part box body 11, one end of a central shaft of each fixed pinch roller 15 is connected with the stepping motor 21, and the other end of the central shaft is rotatably connected with the fixed pinch roller bracket 30; the stepping motor 21 is fixed on the stepping motor bracket 29; the stepping motor bracket (29) and the fixed pinch roller bracket (30) are both fixed on the inner wall of the wire feeding part box body (11);
the movable pinch roller 17 is positioned at the bottom of the wire feeding part box body 11 and above the objective table 4; two ends of a central shaft of the movable pinch roller 17 are rotatably connected to a pinch roller bracket 16, and the pinch roller bracket 16 is fixed on the wire feeding part box body 11; the pinch roller bracket 16 connected with the movable pinch roller 17 is connected with a thrust hydraulic cylinder I18, and the thrust hydraulic cylinder I18 can drive the pinch roller bracket 16 to move up and down so as to drive the movable pinch roller 17 to move up and down; the cutting device 20 is connected with a thrust hydraulic cylinder II 19, and the thrust hydraulic cylinder II 19 is fixed on two sides of the wire feeding part box body 11; a baffle 31 is arranged inside one side of the wire feeding part box body 11, and the baffle 31 is used for ensuring that the strip-shaped wire 13 can be conveyed to one side of the movable pinch roller 17 in a directional manner after passing through the fixed pinch roller 15; the movable pinch roller 17 downwards compresses the ribbon-shaped wire 13 through a thrust hydraulic cylinder II 19, and the compression degree is adjustable; the stage 4 is used to fix the workpiece 3.
The cleaning part comprises a thrust hydraulic cylinder III 23, a cleaning cutter 24 and a motor 28, a push rod of the thrust hydraulic cylinder III 23 is fixedly connected with the motor 28, and a rotating shaft of the motor 28 is fixedly connected with the cleaning cutter 24.
Further, the outer side of the wire feeding part box body is provided with a protrusion 12, and the inner side of the wire feeding part box body 11 is provided with a hydraulic cylinder preformed hole 27 specially used for fixing the thrust hydraulic cylinder II 19.
Further, the spindle box 5 has a slope i 8, one side of the wire feeding portion box 11 is a slope ii 22, and the slope i 8 and the slope ii 22 have a complementary inclination angle.
Compared with the prior art, the invention has the advantages that: the stirring friction additive manufacturing machine capable of automatically feeding wires is provided, and the material of a workpiece can be prevented from being thinned in the additive manufacturing process by a method of adding a wire feeding part in front of a main spindle box; the lower end of a main shaft box body of the equipment is provided with a cleaning tool, and the flash can be cleaned through the cleaning tool, so that the surface of a workpiece is smoother, and the phenomenon of stress concentration is avoided; the cutting device of the wire feeding part cuts the ribbon wire after the work is finished; the device provides downward pressure of the movable pinch roller by a hydraulic system, the downward pressing degree can be adjusted, and the device is suitable for various workpieces; the wire feeding part of the device can supplement ribbon wires at any time, and can use various types of wires, thereby realizing multiple purposes of one machine; the device has simple structure, simple and reliable operation and safe and stable overall performance; the wire feeding of the device is connected with the main spindle box body through screws, and can be detached at any time, so that the device is convenient to maintain; the invention fully combines the advantages of mechanics and mechanical design, simplifies the additive manufacturing process, improves the consistency and flexibility of product design and processing, and realizes the seamless connection between the stirring friction additive manufacturing technology of laminated additive and a computer.
Drawings
The invention will be further described with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the stirring section of the present invention;
FIG. 3 is a schematic structural view of a wire feeding portion of the present invention;
FIG. 4 is a first schematic view of the internal structure of a box body of the wire feeding part;
FIG. 5 is a second schematic view of the internal structure of the wire feeding portion;
FIG. 6 is a schematic view of the cleaning section of the present invention;
FIG. 7 is a schematic top view of the wire feeding portion of the present invention with the box portion hidden;
FIG. 8 is a schematic view of the structure of the loading device of the wire feeding part;
FIG. 9 is a schematic structural diagram of a thrust hydraulic cylinder I and a thrust hydraulic cylinder II;
FIG. 10 is a schematic view of the cutting device of the wire feeding section;
FIG. 11 is a schematic view showing the structure of a box of the wire feeding section;
FIG. 12 is a schematic view of the present apparatus during an additive manufacturing process;
FIG. 13 is a schematic view of the apparatus during deflashing operation;
fig. 14 is a structural schematic view of a fixed pinch roller of the device.
In the figure: 1 link, 2 screws, 3 workpieces, 4 object stages, 5 main shaft boxes, 6 rotating main shafts, 7 stirring heads, 8 inclined planes I, 9 small bearings, 10 bearing seats, 11 wire feeding part boxes, 12 bulges, 13 ribbon wires, 14 shafts, 15 fixed pinch rollers, 16 pinch roller supports, 17 movable pinch rollers, 18 thrust hydraulic cylinders I, 19 thrust hydraulic cylinders II, 20 cutting devices, 21 stepping motors, 22 inclined planes II, 23 thrust hydraulic cylinders III, 24 cleaning tools, 25 material loading devices, 26 through grooves, 27 hydraulic cylinder preformed holes, 28 motors, 29 stepping motor supports, 30 fixed pinch roller supports and 31 blocking pieces.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described clearly and completely with reference to the accompanying drawings, but the scope of protection claimed is not limited thereto.
As shown in fig. 1 to 11, an automatic wire feeding friction stir additive manufacturing machine includes a stirring portion, a wire feeding portion, and a cleaning portion; the stirring part and the wire feeding part are fixedly connected through a connecting frame 1;
the stirring part comprises a main shaft box body 5, a rotating main shaft 6 and a stirring head 7; the stirring head 7 is coaxially connected with the rotating main shaft 6 and is positioned at the bottom of the main shaft box body 5;
the wire feeding part comprises a bearing seat 10, a small bearing 9, a ribbon wire 13, a loading device 25, a pinch roller, a thrust hydraulic cylinder I18, a thrust hydraulic cylinder II 19, a cutting device 20, a stepping motor 21 and a wire feeding part box body 11, wherein the pinch roller comprises a fixed pinch roller 15 and a movable pinch roller 17;
the ribbon wire 13 is wound on the cylindrical part of the material loading device 25, and two ends of the cylindrical part of the material loading device 25 are arranged on the bearing block 10 through the small bearing 9 (the small bearing 9 and the material loading device 25 are coaxially arranged), and can rotate around a shaft 14 in the cylindrical part; the bearing block is fixed at the top end of the wire feeding part box body 11; it offers logical groove 26 to send a partial box 11 top, ensures that the ribbon wire 13 of carrying material device 25 roll release can smoothly pass through logical groove 26 in the same direction as sending a partial box 11:
the number of the fixed pinch rollers 15 is two, the two fixed pinch rollers are arranged in the middle of the inside of the wire feeding part box body 11, one end of a central shaft of each fixed pinch roller 15 is connected with the stepping motor 21, and the other end of the central shaft is rotatably connected with the fixed pinch roller bracket 30; the stepping motor 21 is fixed on the stepping motor bracket 29; the stepping motor bracket (29) and the fixed pinch roller bracket (30) are both fixed on the inner wall of the wire feeding part box body (11);
the movable pinch roller 17 is positioned at the bottom of the wire feeding part box body 11 and above the objective table 4; two ends of a central shaft of the movable pinch roller 17 are rotatably connected to a pinch roller bracket 16, and the pinch roller bracket 16 is fixed on the wire feeding part box body 11; the pinch roller bracket 16 connected with the movable pinch roller 17 is connected with a thrust hydraulic cylinder I18, and the thrust hydraulic cylinder I18 can drive the pinch roller bracket 16 to move up and down so as to drive the movable pinch roller 17 to move up and down; the cutting device 20 is connected with a thrust hydraulic cylinder II 19, and the thrust hydraulic cylinder II 19 is fixed on two sides of the wire feeding part box body 11; a baffle 31 is arranged inside one side of the wire feeding part box body 11, and the baffle 31 is used for ensuring that the strip-shaped wire 13 can be conveyed to one side of the movable pinch roller 17 in a directional manner after passing through the fixed pinch roller 15; the movable pinch roller 17 downwards compresses the ribbon-shaped wire 13 through a thrust hydraulic cylinder II 19, and the compression degree is adjustable; the stage 4 is used to fix the workpiece 3.
The cleaning part comprises a thrust hydraulic cylinder III 23, a cleaning cutter 24 and a motor 28, a push rod of the thrust hydraulic cylinder III 23 is fixedly connected with the motor 28, and a rotating shaft of the motor 28 is fixedly connected with the cleaning cutter 24.
The outside of sending a partial box is provided with arch 12, send the inboard of a partial box 11 to be provided with the hydraulic cylinder preformed hole 27 that is used for fixed thrust hydraulic cylinder II 19 specially.
The spindle box body 5 is provided with an inclined plane I8, one surface of the wire feeding part box body 11 is an inclined plane II 22, and the inclined plane I8 and the inclined plane II 22 are complementary in inclined angle.
The thickness of the ribbon wire 13 is relatively thin, the through groove 26 is not too wide nor too narrow, and the width of the through groove is 1 mm-2 mm larger than that of the ribbon wire 13.
The length of the thrust hydraulic cylinder II 19 is consistent with the depth of the reserved hole 27 of the hydraulic cylinder.
The cutting device 20 is shown in fig. 10. During the cutting process, the thrust hydraulic cylinder ii 19 drives the cutting device 20 to bring the cutting blade into contact with the ribbon wire 13, thereby cutting it.
After the additive manufacturing is finished, the cleaning tool 24 rotates, the pressing degree of the thrust hydraulic cylinder III 23 is adjusted, the surface of a workpiece after additive manufacturing can be polished, the flash is removed, or the polishing amount is consistent with the pressing amount of the stirring head 7, and the problems of 'grooves' and 'flash' in the next additive manufacturing process are solved.
An automatic wire feeding friction stir additive manufacturing machine comprises the following steps in an additive manufacturing process, as shown in fig. 12:
the method comprises the following steps: the workpiece 3 is fixed on the object stage 2, the two fixed pinch rollers 15 clamp the strip-shaped wire and rotate, so that the strip-shaped wire 13 enters the box along the through groove 26 on the upper surface of the box body 11 of the wire feeding part, and the strip-shaped wire 13 contacts with the workpiece 3 after passing through the 2 fixed pinch rollers 15.
Step two: the height of the spindle housing 5 is adjusted so that the stirring head 7 is pressed down against the ribbon wire 13.
Step three: the pushing hydraulic cylinder I18 is adjusted to further adjust the pressing degree of the movable pressing wheel 17 to the ribbon wire 13, so that the stirring head 7 and the movable pressing wheel 17 form two-point constraint on the ribbon wire 13.
Step four: the main shaft box body 5 drives the stirring head 7 to rotate through the rotating main shaft 6, the stirring head 7 is pressed into the ribbon wire 13 and the workpiece 3 through the downward pressure provided by the rotating main shaft 6, the stirring head 7, the ribbon wire 13 and the workpiece 3 are rubbed to generate heat under the driving of the rotating main shaft 6, so that materials are softened, and the ribbon wire 13 is combined with the workpiece 2 through the rotation and the movement of the stirring head 7.
Step five: the main shaft box 5 is translated according to the direction shown in fig. 12, and the fixed pinch roller 15 keeps synchronous rotation to realize continuous wire feeding and continuous additive manufacturing.
Step six: after the end of the operation, the thrust hydraulic cylinder ii 19 pushes the cutting device 20 to cut the ribbon wire 13.
An automatic wire feeding friction stir additive manufacturing machine comprises the following steps in the flash removing process, as shown in fig. 13:
the method comprises the following steps: the main shaft box body 5 is lifted upwards, so that the stirring head 7 does not contact the workpiece 3 any more, and the thrust hydraulic cylinder I18 is adjusted, so that the movable pinch roller 17 does not contact the workpiece 3.
Step two: the thrust hydraulic cylinder iii 23 is adjusted so that the cleaning tool 24 is in contact with the surface of the workpiece 3 and maintains a proper pressing force.
Step three: the cleaning tool 24 rotates, the spindle box 5 translates in the direction shown in fig. 13, polishing of the surface of the workpiece after material increase is achieved, and removal of the flash is completed.
The invention has the following beneficial effects: the automatic wire feeding friction stir additive manufacturing machine is provided, the advantages of mechanics, mechanical design and other subjects are fully combined, various functions can be fully realized, operation is simplified, and production cost is reduced. The material of the workpiece can be prevented from being thinned in the additive manufacturing process by adding the wire feeding part in front of the main spindle box body 5; the lower end of a spindle box body 5 of the equipment is provided with a cleaning tool 24, after additive manufacturing is finished, the surface of a workpiece after additive manufacturing can be polished by adjusting the compression degree of a thrust hydraulic cylinder III 23, and burrs are removed, or the polishing amount is kept consistent with the pressing amount of a stirring head 7, so that the problems of grooves, burrs and the like in the next additive manufacturing process are prevented; the cutting device 20 of the wire feeding part cuts the ribbon wire 13 after the additive manufacturing is finished; the equipment provides downward pressure for the movable pinch roller 17 by a hydraulic system, the downward pressing degree can be adjusted, and the equipment is suitable for various workpieces; the wire feeding part of the device can supplement the ribbon wire 13 at any time, and can use various types of wires, thereby realizing multiple purposes of one machine; the device has simple structure, simple and reliable operation and safe and stable overall performance; the wire feeding part is connected with the spindle box body 5 through the screw 2 and can be detached at any time, so that the maintenance is convenient. The invention simplifies the additive manufacturing process, improves the consistency and flexibility of product design and processing, and realizes the seamless connection between the stirring friction additive manufacturing technology of laminated additive and a computer.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; may be directly connected or indirectly connected through an intermediate. It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (3)
1. The friction stir additive manufacturing machine is characterized by comprising a stirring part, a wire feeding part and a cleaning part; the stirring part and the wire feeding part are fixedly connected through a connecting frame (1);
the stirring part comprises a main shaft box body (5), a rotating main shaft (6) and a stirring head (7); the stirring head (7) is coaxially connected with the rotating main shaft (6) and is positioned at the bottom of the main shaft box body (5);
the wire feeding part comprises a bearing seat (10), a small bearing (9), a strip wire (13), a loading device (25), a pressing wheel, a thrust hydraulic cylinder I18, a thrust hydraulic cylinder II 19, a cutting device (20), a stepping motor (21) and a wire feeding part box body (11), and the pressing wheel comprises a fixed pressing wheel (15) and a movable pressing wheel (17);
the ribbon wire (13) is wound on the cylindrical part of the material loading device (25), and two ends of the cylindrical part of the material loading device (25) are arranged on the bearing block (10) through small bearings (9) and can rotate around a shaft (14) in the cylindrical part; the bearing block is fixed at the top end of the wire feeding part box body (11); it sets up logical groove (26) to send a partial box (11) top, ensures that banded silk (13) of carrying material device (25) roll release can be in the same direction as sending a partial box (11) to through logical groove (26) smoothly:
the two fixed pinch rollers (15) are arranged in the middle of the inside of the wire feeding part box body (11), one end of a central shaft of each fixed pinch roller (15) is connected with the stepping motor (21), and the other end of the central shaft of each fixed pinch roller is rotatably connected with the fixed pinch roller bracket (30); the stepping motor (21) is fixed on the stepping motor bracket (29); the stepping motor bracket (29) and the fixed pinch roller bracket (30) are both fixed on the inner wall of the wire feeding part box body (11);
the movable pinch roller (17) is positioned at the bottom of the wire feeding part box body (11) and above the objective table (4); two ends of a central shaft of the movable pinch roller (17) are rotatably connected to a pinch roller bracket (16), and the pinch roller bracket (16) is fixed on the wire feeding part box body (11); a pinch roller bracket (16) connected with the movable pinch roller (17) is connected with a thrust hydraulic cylinder I (18), and the thrust hydraulic cylinder I (18) can drive the pinch roller bracket (16) to move up and down so as to drive the movable pinch roller (17) to move up and down; the cutting device (20) is connected with a second thrust hydraulic cylinder (19), and the second thrust hydraulic cylinder (19) is fixed on two sides of the wire feeding part box body (11); a baffle plate (31) is arranged inside one side of the wire feeding part box body (11), and the baffle plate (31) is used for ensuring that the strip-shaped wire (13) can be conveyed to one side of the movable pinch roller (17) in a fixed direction after passing through the fixed pinch roller (15); the movable pinch roller (17) downwards compresses the ribbon-shaped wire (13) through a thrust hydraulic cylinder II (19), and the compression degree is adjustable; the objective table (4) is used for fixing the workpiece (3);
the cleaning part comprises a thrust hydraulic cylinder III (23), a cleaning cutter (24) and a motor (28), a push rod of the thrust hydraulic cylinder III (23) is fixedly connected with the motor (28), and a rotating shaft of the motor (28) is fixedly connected with the cleaning cutter (24).
2. The automatic wire feeding friction stir additive manufacturing machine according to claim 1, wherein a protrusion (12) is provided on an outer side of the wire feeding portion box, and a hydraulic cylinder prepared hole (27) for fixing the thrust hydraulic cylinder ii (19) is provided on an inner side of the wire feeding portion box (11).
3. The automatic wire feeding friction stir additive manufacturing machine according to claim 1 or 2, wherein the spindle box (5) has a slope i 8, one side of the wire feeding portion box (11) is a slope ii 22, and the slope i 8 is inclined at an angle complementary to the slope ii 22.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210217739.2A CN114473178A (en) | 2022-03-08 | 2022-03-08 | Automatic wire-feeding friction stir material additive manufacturing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210217739.2A CN114473178A (en) | 2022-03-08 | 2022-03-08 | Automatic wire-feeding friction stir material additive manufacturing machine |
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| CN114473178A true CN114473178A (en) | 2022-05-13 |
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| CN202210217739.2A Pending CN114473178A (en) | 2022-03-08 | 2022-03-08 | Automatic wire-feeding friction stir material additive manufacturing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115647559A (en) * | 2022-05-23 | 2023-01-31 | 哈尔滨工业大学 | Follow-up pre-positioning stirring friction additive manufacturing device and manufacturing method thereof |
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| CN203209836U (en) * | 2013-03-22 | 2013-09-25 | 宁波市鄞州品达电器焊料有限公司 | Novel welding wire feeding device |
| WO2015020954A1 (en) * | 2013-08-09 | 2015-02-12 | United Technologies Corporation | Method for integrating multiple materials in a foil consolidation of additive manufacturing process |
| CN107234317A (en) * | 2017-08-14 | 2017-10-10 | 北京工业大学 | A kind of automatic welding main body mechanism for building and its welding system |
| CN107414283A (en) * | 2017-08-31 | 2017-12-01 | 重庆理工大学 | A kind of friction stir welding method of automatic feeding for different metal materials docking |
| CN108127246A (en) * | 2018-02-13 | 2018-06-08 | 艾美特焊接自动化技术(北京)有限公司 | A kind of cold silk filling agitating friction welding mechanism and welding method |
| CN112238291A (en) * | 2019-07-17 | 2021-01-19 | 晟通科技集团有限公司 | Welding equipment |
| DE102019126644A1 (en) * | 2019-10-02 | 2021-04-08 | F&S Bondtec Semiconductor GmbH | Bond head, wire bonder with such and method using such |
| CN110802317A (en) * | 2019-11-15 | 2020-02-18 | 中车长春轨道客车股份有限公司 | Static shaft shoulder wire filling friction stir welding machine head system |
| CN111408821A (en) * | 2020-05-21 | 2020-07-14 | 徐飞翔 | Welding wire conveying device for argon arc welding machine |
| CN212823735U (en) * | 2020-06-23 | 2021-03-30 | 杭州固建机器人科技有限公司 | Welding seam dross removal mechanism among I-steel welding process |
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| CN115647559A (en) * | 2022-05-23 | 2023-01-31 | 哈尔滨工业大学 | Follow-up pre-positioning stirring friction additive manufacturing device and manufacturing method thereof |
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