CN110802317A - Static shaft shoulder wire filling friction stir welding machine head system - Google Patents
Static shaft shoulder wire filling friction stir welding machine head system Download PDFInfo
- Publication number
- CN110802317A CN110802317A CN201911117300.7A CN201911117300A CN110802317A CN 110802317 A CN110802317 A CN 110802317A CN 201911117300 A CN201911117300 A CN 201911117300A CN 110802317 A CN110802317 A CN 110802317A
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- wire
- shaft shoulder
- filling
- static shaft
- friction stir
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- 238000003466 welding Methods 0.000 title claims abstract description 56
- 238000003756 stirring Methods 0.000 title claims abstract description 51
- 230000003068 static effect Effects 0.000 title claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 20
- 230000006835 compression Effects 0.000 claims abstract description 15
- 238000007906 compression Methods 0.000 claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims abstract description 8
- 230000001360 synchronised effect Effects 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims abstract 2
- 239000000945 filler Substances 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 14
- 238000003825 pressing Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 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
- B23K20/1245—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 characterised by the apparatus
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The utility model provides a static shaft shoulder fills silk friction stir welding head system, includes stirring pin installation handle, main shaft handle of a knife, main shaft backplate, static shaft shoulder mount pad, static shaft shoulder, stirring pin, automatic wire feeder, its characterized in that: one side of the static shaft shoulder mounting seat is provided with a compression roller mechanism and a wire feeder, and the compression roller mechanism has vertical freedom degree and is used for realizing elastic rolling of filled wires sent out by the wire feeder and realizing synchronous wire filling. When the automatic wire feeder is used for welding, the filling wire is pushed by the automatic wire feeder, and under the action of the pressing wheel in the pressing roller system, the filling wire is filled to the front end of the stirring needle through the wire filling guide groove of the static shaft shoulder, so that the automatic and effective filling of the filling wire is realized. Meanwhile, the problem that the effective pressing force applied in the welding process is influenced by the large and small reaction of the filling wire material on the pressing wheel due to the change of the assembly clearance of the workpiece in the rolling process is effectively solved, and the stability of the welding process quality is further ensured.
Description
Technical Field
The invention belongs to the technical field of static shaft shoulder friction stir welding, and particularly relates to a friction stir welding head system for aluminum alloy product components with different assembly gap sizes.
Background
Friction Stir Welding (FSW) was invented from 1991 and has been used in a large number of industrial applications in the fields of aviation, aerospace, automotive, shipbuilding, and rail transportation. In general, in order to ensure a good FSW welding effect, the assembly gap of the workpieces to be welded needs to be controlled within a certain process allowable range, which is closely related to the thickness of the workpieces to be welded, the size of the selected stirring head structure and the matching process (at present, the assembly gap needs to be controlled within 10% of the thickness of the plates of the workpieces to be welded, and the maximum assembly gap does not exceed 1.0 mm). However, in practical engineering applications, the assembly gap of the workpiece to be welded is often out of the allowable range of the process wholly or partially due to the problems of the out-of-precision dimension of the material, the flatness or the insufficient rigidity of the tool, and the like, and particularly, when the length of the workpiece to be welded is large, the assembly gap of the workpiece is more difficult to control. As such, the commercial application of friction stir welding techniques to some large and large parts is limited. Static Shoulder Friction Stir Welding (SSFSW) is developed on the basis of conventional friction stir welding, and the so-called "static shoulder" is that the shoulder of the SSFSW head and the probe are of a split structure, so that the inner probe is directly driven by the main shaft of the head to rotate during welding, and the outer shoulder does not rotate but only translates along the welding advancing direction. Therefore, compared with the conventional FSW, the SSFSW has the characteristics of low requirements on torque and power of a main shaft of a machine head, smooth forming of the surface of a welding seam and the like. In addition, the shaft shoulder does not rotate in the SSFSW welding process, so that the introduction and the addition of external materials are facilitated, and the wire filling friction stir welding is further realized. However, heretofore, the work related to static shoulder filler wire friction stir welding is mainly carried out around the research work in the aspects of fillet weld welding, the influence of different filler materials on the structure performance of a welded joint and the like, and related practical engineering application is not reported yet. The analysis reason is mainly because the current filler wire for the static shaft shoulder friction stir welding is realized by arranging the filler material in the gap of the weld joint to be welded in advance under the fixed assembly gap and then performing SSFSW welding. When the method is applied to specific engineering, the actual situation is that the whole gap of the welding line to be welded is different in size, at the moment, the filling material is difficult to arrange in the gap of the welding line to be welded in advance, and particularly, when the size of a workpiece to be welded is large and the welding line to be welded is long, the difficulty is higher if the filling material is arranged in the gap of the welding line to be welded with different sizes in advance. Therefore, aiming at the problems that the existing SSFSW wire filling method has poor adaptability to the size of the gap of the welding seam to be welded and synchronous wire filling cannot be realized, the research and development of the static shaft shoulder wire filling friction stir welding head which is highly adaptive to the assembly gap of the welding seam and can realize the synchronous automatic wire filling effect becomes urgent.
Disclosure of Invention
The invention aims to provide a welding head system for static shaft shoulder wire filling friction stir welding, which is suitable for large-length workpieces to be welded and different-size assembly gaps of welding seams to be welded, and can realize synchronous and automatic wire filling.
In order to achieve the purpose, the invention provides a static shaft shoulder wire filling friction stir welding machine head system, which comprises a stirring needle mounting handle, a main shaft cutter handle, a main shaft protection plate, a static shaft shoulder mounting seat, a static shaft shoulder, a stirring needle and an automatic wire feeder, and is characterized in that: one side of the static shaft shoulder mounting seat is provided with a compression roller mechanism and a wire feeder, and the compression roller mechanism has vertical freedom degree and is used for realizing elastic rolling of filled wires sent out by the wire feeder and realizing synchronous wire filling.
The compression roller mechanism comprises a mounting seat, a guide block mounting plate, a cylinder, an air pressure station, a guide sliding rail and a compression roller, wherein the mounting seat is mounted on the static shaft shoulder mounting seat, the guide block is fixed on the guide block mounting plate, the guide block mounting plate is mounted on the mounting seat, the cylinder is mounted on the guide block mounting plate and is connected with the air pressure station, the guide sliding rail is provided with three support legs, one support leg is connected with a piston of the cylinder, the other support leg penetrates through the guide block to move freely up and down in the guide block, the compression roller is mounted at the front end of one support leg, and the compression roller is in contact fit.
The surface of the static shaft shoulder is provided with a raised ring which is concentric with the stirring needle through hole and used for controlling the surface size and the shape of the stirring friction welding seam of the static shaft shoulder.
The surface of the static shaft shoulder is provided with a wire filling guide groove in parallel with the advancing direction of the machine head, the wire filling guide groove extends to the convex ring all the way, so that a filled wire is filled to the front end of the stirring needle, and the concave parts at the two ends of the static shaft shoulder are provided with mounting holes for connecting with a static shaft shoulder mounting seat.
The wire filling guide groove penetrates through the upper surface of the whole static shaft shoulder through the protruding ring and is used for realizing welding seam welding with reinforcement requirements.
The surface of the pinch roller is provided with a guide groove, so that the guide filling of the filled wire materials is realized.
The guide groove is a V-shaped groove.
When the automatic wire feeder is used for welding, the filling wire is pushed by the automatic wire feeder, and under the action of the pressing wheel in the pressing roller system, the filling wire is filled to the front end of the stirring needle through the wire filling guide groove of the static shaft shoulder, so that the automatic and effective filling of the filling wire is realized. Meanwhile, the problem that the effective pressing force applied in the welding process is influenced by the large and small reaction of the filling wire material on the pressing wheel due to the change of the assembly clearance of the workpiece in the rolling process is effectively solved, and the stability of the welding process quality is further ensured.
Drawings
FIG. 1 is a schematic view of a workpiece to be welded with a built-up gap;
FIG. 2 is a schematic structural view of a static shaft shoulder wire filling friction stir welding head;
FIG. 3 is a schematic view of a stationary shoulder of the filler wire guide channel not opened;
FIG. 4 is a schematic view of an open stationary shoulder of the filler wire guide channel;
figure 5 is a schematic view of the puck.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the embodiment of the invention includes a stirring pin mounting handle 4, a main shaft tool shank 5, a main shaft guard plate 6, a static shaft shoulder mounting seat 7, a static shaft shoulder 8, a stirring pin 9, a compression roller mechanism 10 and a wire feeder 11, wherein the stirring pin 9 is screwed to the stirring pin mounting handle 4, and the stirring pin mounting handle 4 is fixed on the main shaft tool shank 5 through bolts. The stationary shoulder mount 7 is fixed to the main shaft protector 6 by bolts, and the stationary shoulder 8 is mounted on the stationary shoulder mount 7 by bolts.
The press roller mechanism 10 is composed of a mounting seat 10-1, a guide block 10-2, a guide block mounting plate 10-3, an air cylinder 10-4, a guide slide rail 10-5, an air pressure station 10-6 and a press roller 10-7. The mounting seat 10-1 is mounted on the static shaft shoulder mounting seat 7 through bolts, the guide block 10-2 is fixed on the guide block mounting plate 10-3 through bolts, and the guide block mounting plate 10-3 is mounted on the mounting seat 10-1 through bolts. The cylinder 10-4 is mounted to the guide block mounting plate 10-3 by bolts and is connected to the air pressure station 10-6. The guide slide rail 10-5 is provided with three support legs, wherein one support leg is connected with a piston of the cylinder, the other support leg passes through the guide block 10-2 and freely moves up and down in the guide block, the front end of the other support leg is provided with a press wheel 10-7, and the wheel surface of the press wheel is provided with a V-shaped groove, so that the guide filling of the filled wire materials is realized. The pinch roller is in contact fit with the filled wire material, the pinch roller transmits the acting force of the filled wire material to the guide slide rail, the guide slide rail drives the cylinder piston to freely move up and down along the guide block, the elastic rolling of the filled wire material is realized, and therefore the effective downward pressure applied in the welding process is not influenced, the stability of the welding process quality is further ensured, and meanwhile synchronous wire filling is realized.
Referring to fig. 3, a stirring needle through hole 8-1 is formed in the center of a static shaft shoulder 8, a protruding ring 8-2 is arranged at the stirring needle through hole, the stirring needle through hole and the protruding ring are concentric, the protruding ring is an action contact surface of the static shaft shoulder and a workpiece to be welded, the size and the shape of the protruding ring directly control the surface size and the shape of a stirring friction welding seam of the static shaft shoulder, a wire filling guide groove 8-3 is formed in the surface of the static shaft shoulder in parallel with the advancing direction of a machine head and serves as a guide path for filling wires, the filled wires are guaranteed to be effectively filled to the front end of the stirring needle, the wire filling guide groove 8-3 extends to the protruding ring, and therefore the materials can be filled to the front end of the stirring needle, and mounting holes 8-4 are formed in the concave positions of the two ends.
Referring to fig. 4, a wire-filling guide groove 8-3 penetrates through the entire stationary shoulder upper surface through the projection ring for achieving weld joint with high reinforcement requirements.
Referring to fig. 5, the surface of the pinch roller 10-7 is provided with a V-shaped groove, which is beneficial to the grasping control of the filled wire, ensures the control of the filled wire and realizes the guiding filling of the filled wire.
The working process is as follows:
the filling wire material 12 is pushed by the automatic wire feeder 11 and is filled to the front end of the stirring pin through the wire filling guide groove of the static shaft shoulder under the rolling action of the pressing wheel, thereby realizing the automatic and effective filling of the filling wire material. When the gap of the 3 groups of welding lines is reduced, more parts of the filling wire materials float on the surface of the 3 welding lines to be welded, and the pressing wheel integrally moves upwards under the reaction force of the filling wire materials, so that the effective downward force of the main shaft on the stirring needle cannot be influenced, meanwhile, the position of the filling wire materials can be effectively restrained and controlled under the condition that the preset rolling force is unchanged, and the filling of the welding line tracks to be welded between the workpieces 1 and 2 is guaranteed.
Claims (7)
1. The utility model provides a static shaft shoulder fills silk friction stir welding head system, includes stirring pin installation handle, main shaft handle of a knife, main shaft backplate, static shaft shoulder mount pad, static shaft shoulder, stirring pin, automatic wire feeder, its characterized in that: one side of the static shaft shoulder mounting seat is provided with a compression roller mechanism and a wire feeder, and the compression roller mechanism has vertical freedom degree and is used for realizing elastic rolling of filled wires sent out by the wire feeder and realizing synchronous wire filling.
2. The stationary shoulder wire filler friction stir welding head system of claim 1, wherein: the compression roller mechanism comprises a mounting seat, a guide block mounting plate, a cylinder, an air pressure station, a guide sliding rail and a compression roller, wherein the mounting seat is mounted on the static shaft shoulder mounting seat, the guide block is fixed on the guide block mounting plate, the guide block mounting plate is mounted on the mounting seat, the cylinder is mounted on the guide block mounting plate and is connected with the air pressure station, the guide sliding rail is provided with three support legs, one support leg is connected with a piston of the cylinder, the other support leg penetrates through the guide block to move freely up and down in the guide block, the compression roller is mounted at the front end of one support leg, and the compression roller is in contact fit.
3. The stationary shoulder wire filler friction stir welding head system of claim 1, wherein: the surface of the static shaft shoulder is provided with a raised ring which is concentric with the stirring needle through hole and used for controlling the surface size and the shape of the stirring friction welding seam of the static shaft shoulder.
4. The stationary shoulder wire filler friction stir welding head system of claim 1, wherein: the surface of the static shaft shoulder is provided with a wire filling guide groove in parallel with the advancing direction of the machine head, the wire filling guide groove extends to the convex ring all the way, so that a filled wire is filled to the front end of the stirring needle, and the concave parts at the two ends of the static shaft shoulder are provided with mounting holes for connecting with a static shaft shoulder mounting seat.
5. The stationary shoulder wire-filling friction stir welding head system of claim 4, wherein: the wire filling guide groove penetrates through the upper surface of the whole static shaft shoulder through the protruding ring and is used for realizing welding seam welding with reinforcement requirements.
6. The stationary shoulder wire filler friction stir welding head system of claim 2, wherein: the surface of the pinch roller is provided with a guide groove, so that the guide filling of the filled wire materials is realized.
7. The stationary shoulder wire filler friction stir welding head system of claim 6, wherein: the guide groove is a V-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117300.7A CN110802317B (en) | 2019-11-15 | 2019-11-15 | Static shaft shoulder wire filling friction stir welding machine head system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117300.7A CN110802317B (en) | 2019-11-15 | 2019-11-15 | Static shaft shoulder wire filling friction stir welding machine head system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110802317A true CN110802317A (en) | 2020-02-18 |
| CN110802317B CN110802317B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911117300.7A Active CN110802317B (en) | 2019-11-15 | 2019-11-15 | Static shaft shoulder wire filling friction stir welding machine head system |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111331246A (en) * | 2020-04-17 | 2020-06-26 | 哈尔滨万洲焊接技术有限公司 | Method and device for friction stir welding of dissimilar metals |
| CN111822845A (en) * | 2020-07-10 | 2020-10-27 | 江苏理工学院 | A static shaft shoulder powder-filled friction welding head system |
| CN111843173A (en) * | 2020-07-09 | 2020-10-30 | 中车青岛四方机车车辆股份有限公司 | Composite welding method and device for friction stir welding |
| CN112276335A (en) * | 2020-09-28 | 2021-01-29 | 纽维科精密制造江苏有限公司 | Follow-up pressing device for friction stir welding of thin plate |
| CN112496522A (en) * | 2021-02-01 | 2021-03-16 | 昆山哈工万洲焊接研究院有限公司 | Stirring friction material increase device and material increase manufacturing method |
| CN112658460A (en) * | 2020-12-09 | 2021-04-16 | 昆山哈工万洲焊接研究院有限公司 | Device and method for performing FSW (free space wall) additive manufacturing by utilizing static shaft shoulder cavity |
| CN112958902A (en) * | 2021-02-05 | 2021-06-15 | 山东大学 | Wire-filling static shaft shoulder friction stir welding and material increase manufacturing device and method |
| TWI732676B (en) * | 2020-09-14 | 2021-07-01 | 喬崴進科技股份有限公司 | Friction stir welding adapter and tool holder having an air valve switch system |
| TWI738507B (en) * | 2020-09-14 | 2021-09-01 | 喬崴進科技股份有限公司 | Friction stir welding adapter having a static shaft shoulder system |
| CN113351954A (en) * | 2021-07-06 | 2021-09-07 | 何海 | Brazing filling device for surface weld joint of sealing steel ring |
| CN114012245A (en) * | 2021-11-23 | 2022-02-08 | 湖南坤鼎数控科技有限公司 | A pinch roller leveling device for friction stir welding |
| CN114473178A (en) * | 2022-03-08 | 2022-05-13 | 大连理工大学 | Automatic wire-feeding friction stir material additive manufacturing machine |
| CN115647569A (en) * | 2022-11-15 | 2023-01-31 | 哈尔滨工业大学 | Robot continuous wire feeding friction stir material increasing device and curved surface material increasing method |
| US20240009757A1 (en) * | 2020-12-04 | 2024-01-11 | Nippon Light Metal Company, Ltd. | Rotary tool, joining device, and joining method |
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| CN211135904U (en) * | 2019-11-15 | 2020-07-31 | 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 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111331246A (en) * | 2020-04-17 | 2020-06-26 | 哈尔滨万洲焊接技术有限公司 | Method and device for friction stir welding of dissimilar metals |
| CN111843173A (en) * | 2020-07-09 | 2020-10-30 | 中车青岛四方机车车辆股份有限公司 | Composite welding method and device for friction stir welding |
| CN111822845A (en) * | 2020-07-10 | 2020-10-27 | 江苏理工学院 | A static shaft shoulder powder-filled friction welding head system |
| TWI732676B (en) * | 2020-09-14 | 2021-07-01 | 喬崴進科技股份有限公司 | Friction stir welding adapter and tool holder having an air valve switch system |
| TWI738507B (en) * | 2020-09-14 | 2021-09-01 | 喬崴進科技股份有限公司 | Friction stir welding adapter having a static shaft shoulder system |
| CN112276335A (en) * | 2020-09-28 | 2021-01-29 | 纽维科精密制造江苏有限公司 | Follow-up pressing device for friction stir welding of thin plate |
| US20240009757A1 (en) * | 2020-12-04 | 2024-01-11 | Nippon Light Metal Company, Ltd. | Rotary tool, joining device, and joining method |
| CN112658460A (en) * | 2020-12-09 | 2021-04-16 | 昆山哈工万洲焊接研究院有限公司 | Device and method for performing FSW (free space wall) additive manufacturing by utilizing static shaft shoulder cavity |
| CN112496522A (en) * | 2021-02-01 | 2021-03-16 | 昆山哈工万洲焊接研究院有限公司 | Stirring friction material increase device and material increase manufacturing method |
| CN112958902A (en) * | 2021-02-05 | 2021-06-15 | 山东大学 | Wire-filling static shaft shoulder friction stir welding and material increase manufacturing device and method |
| CN113351954A (en) * | 2021-07-06 | 2021-09-07 | 何海 | Brazing filling device for surface weld joint of sealing steel ring |
| CN114012245A (en) * | 2021-11-23 | 2022-02-08 | 湖南坤鼎数控科技有限公司 | A pinch roller leveling device for friction stir welding |
| CN114473178A (en) * | 2022-03-08 | 2022-05-13 | 大连理工大学 | Automatic wire-feeding friction stir material additive manufacturing machine |
| CN115647569A (en) * | 2022-11-15 | 2023-01-31 | 哈尔滨工业大学 | Robot continuous wire feeding friction stir material increasing device and curved surface material increasing method |
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