CN114406445A - Rotary isolation mechanism and friction welding machine - Google Patents
Rotary isolation mechanism and friction welding machine Download PDFInfo
- Publication number
- CN114406445A CN114406445A CN202210236256.7A CN202210236256A CN114406445A CN 114406445 A CN114406445 A CN 114406445A CN 202210236256 A CN202210236256 A CN 202210236256A CN 114406445 A CN114406445 A CN 114406445A
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- China
- Prior art keywords
- guide disc
- adjusting
- rotary
- tailstock
- isolation mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 51
- 238000002955 isolation Methods 0.000 title claims abstract description 21
- 238000003466 welding Methods 0.000 title abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000033001 locomotion Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- 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
- B23K20/126—Workpiece support, i.e. backing or clamping
-
- 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
Abstract
The invention discloses a rotary isolation mechanism, which relates to the technical field of friction welding and comprises the following components: the tailstock integrated body is used for installing a tailstock workpiece, a through hole is formed in the guide disc, a plurality of rollers are uniformly arranged on the inner wall of the through hole along the circumferential direction of the through hole, part of side walls of the rollers can be in contact with the outer wall of the rotary positioning body at the same time, and the rotary positioning body is used for installing a spindle workpiece; the invention also provides a friction welding machine which comprises a rotary isolating mechanism, wherein the rotary isolating mechanism is arranged on the tailstock integrated body, the plurality of adjusting mechanisms are distributed around the guide disc, and the radial position of the guide disc can be adjusted through the matching of the adjusting mechanisms so as to enable the guide disc to be coaxial with the rotary locating body and lock the position of the guide disc. The rotary isolating mechanism and the friction welding machine provided by the invention can avoid the deviation of the workpiece in the welding process.
Description
Technical Field
The invention relates to the technical field of friction welding, in particular to a rotary isolation mechanism and a friction welding machine.
Background
The compressor is an important component of an aircraft engine and is a mechanical device which transmits mechanical energy to gas to complete the compression of a gas medium in the thermodynamic cycle of the engine, so as to improve the gas pressure. The compressor disk is used as an important component of the compressor, the traditional connection between all the stages of disks is in a mechanical bolt connection mode and an electron beam welding mode, but the mechanical connection causes the thickness of the compressor disk to be larger, the quality is higher, the overall weight of an engine is increased, the improvement of the thrust-weight ratio and the performance of the aero-engine are not facilitated, the electron beam welding method is higher in heat input, larger in welding deformation, higher in residual stress after welding, large in welding difficulty of dissimilar materials, difficult to completely meet the manufacturing requirement of the design of the compressor disk of the aero-engine, and the improvement of the overall performance of the aero-engine is severely restricted. The welding requirement of the compressor disk can be met by adopting friction welding, and the existing friction welding machine restrains the workpiece to be easy to deviate due to the torque action in the welding process, so that the workpiece cannot meet the welding requirement.
Disclosure of Invention
The invention aims to provide a rotary isolation mechanism and a friction welding machine, which are used for solving the problems in the prior art and avoiding the deviation of a workpiece in the welding process.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a rotary isolation mechanism, comprising: the tailstock integrated body is used for mounting a tailstock workpiece, a through hole is formed in the guide disc, a plurality of rollers are uniformly arranged on the inner wall of the through hole along the circumferential direction of the through hole, part of side walls of the rollers can be in contact with the outer wall of a rotary positioning body at the same time, and the rotary positioning body is used for mounting a spindle workpiece; each adjusting mechanism is fixedly arranged on the tailstock integrated body, the adjusting mechanisms are distributed around the guide disc, and the radial position of the guide disc can be adjusted through the matching of the adjusting mechanisms, so that the guide disc and the rotary positioning body are coaxial, and the position of the guide disc can be locked.
Preferably, each of the adjusting mechanisms includes a first driving device and a first adjusting structure, the first driving device is in transmission connection with the first adjusting structure, the guide plate is provided with a plurality of second adjusting structures corresponding to the first adjusting structures, the first driving device drives the first adjusting structures to move, the first driving structures can drive the second adjusting structures to move, so that the radial position of the guide plate is changed, and the guide plate can be locked by matching the first adjusting structures with the second adjusting structures.
Preferably, the first adjusting structure is an adjusting wedge fixedly connected with the output end of the first driving device, the second adjusting structure is a fixed wedge distributed around the guide disc, a sliding surface of each adjusting wedge is attached to a sliding surface of one fixed wedge correspondingly arranged to the adjusting wedge, the sliding surface of each adjusting wedge forms an angle with the movement direction of the adjusting wedge, and the first driving device can drive the adjusting wedge to move, so that the position of the guide disc is changed.
Preferably, the first driving device is an oil cylinder.
Preferably, the first driving device comprises a servo motor, a screw rod and a nut, the screw rod is in transmission connection with the output shaft of the servo motor, the screw rod is in threaded connection with the nut, the nut is fixedly connected with the adjusting wedge block, and the adjusting wedge block can move along with the screw rod along the extension direction of the screw rod by the servo motor driving the screw rod to rotate.
The invention also provides a friction welding machine which comprises the rotary isolation mechanism.
Compared with the prior art, the invention has the following technical effects:
according to the rotary isolation mechanism and the friction welding machine provided by the invention, the position of the guide disc on the tailstock integrated body can be adjusted through each adjusting mechanism, the rotary positioning body used for mounting the main shaft workpiece on the main shaft can partially extend into the guide disc and contact with the roller, meanwhile, the position of the guide disc can be locked through the adjusting mechanism, the guide disc plays a limiting role, and the workpiece can be prevented from being deviated in the welding process. Therefore, the rotary isolation mechanism and the friction welding machine provided by the invention can avoid the deviation of the workpiece in the welding process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a rotational isolation mechanism provided in the first embodiment;
fig. 2 is a schematic mechanical diagram of the tailstock integrated body provided in the first embodiment;
in the figure: 100-a rotational isolation mechanism; 1-a guiding disc; 2-an adjusting mechanism; 21-a first drive; 22-adjusting the wedge block; 23-a locking mechanism; 3-fixing the wedge block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a rotary isolation mechanism to solve the problems in the prior art and avoid the deviation of a workpiece in the welding process.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
The embodiment provides a rotary isolation mechanism 100, as shown in fig. 1, which includes a guiding disc 1 and a plurality of adjusting mechanisms 2, wherein the guiding disc 1 is used for being movably disposed on a tailstock integrated body, the tailstock integrated body is used for mounting a tailstock workpiece, the guiding disc 1 is provided with a through hole, a plurality of rollers are uniformly disposed on an inner wall of the through hole along the circumferential direction of the through hole, part of side walls of the rollers can be simultaneously contacted with an outer wall of a rotary positioning body, and the rotary positioning body is used for mounting a spindle workpiece; each guiding mechanism 2 all is used for fixed setting on the tailstock integration body, and a plurality of guiding mechanisms 2 distribute around the positioning disk 1, can cooperate through each guiding mechanism 2 and adjust so that positioning disk 1 and tailstock work piece are coaxial to can lock positioning disk 1 position.
Can adjust 1 position of guiding disk on the tailstock integrated body through each guiding mechanism 2, the rotational positioning body that is used for installing the main shaft work piece on the main shaft can partly stretch into 1 inside and contact with the gyro wheel of guiding disk, can lock 1 position of guiding disk through guiding mechanism 2 simultaneously, and guiding disk 1 plays limiting displacement, can avoid the work piece to take place the skew in welding process.
The rotary positioning body is arranged on a main shaft, the main shaft workpiece can be clamped through a main shaft elastic chuck arranged in the rotary positioning body, the rotary positioning body and the main shaft workpiece synchronously rotate along with the main shaft during welding, the tailstock integrated body can be used for clamping the tailstock workpiece, a plurality of pressure plates are arranged on the tailstock integrated body, a guide disc 1 can be arranged on the tailstock integrated body through the pressure plates, the pressure plates can limit the axial movement of the guide disc 1, when friction welding is carried out, the main shaft workpiece and the tailstock workpiece are firstly adjusted to be coaxial, the adjusting mechanisms 2 are preferably four, and are respectively arranged at the left lower part, the right lower part, the left upper part and the right upper part of the guide disc 1, wherein the adjusting mechanisms 2 at the left lower part and the right lower part of the guide disc 1 are used for adjusting the radial position of the guide disc 1, the adjusting mechanisms 2 at the left upper part and the right upper part of the guide disc 1 are used for matching with the adjusting mechanisms 2 at the left lower part and the right lower part of the guide disc 1, the locking mechanism 23 of the guide disc after the radial position is adjusted in a locking mode, the adjusting mechanism 2 located on the left lower side and the right lower side of the guide disc 1 is adjusted, the guide disc 1 can move along all directions in the radial direction, accurate adjustment of the position of the guide disc 1 can be achieved by controlling the feeding amount of the first driving device 21, the guide disc 1 is adjusted through the adjusting mechanism 2 to be coaxial with a main shaft workpiece and a tailstock workpiece, the guide disc 1 is sleeved on a rotary positioning body in the welding process, the rotary positioning body drives rollers to rotate together, each roller is provided with a rotating shaft and can rotate independently, the main shaft workpiece and the tailstock workpiece are guaranteed to be coaxial all the time, relative friction motion can be avoided between other parts, and the functions of guiding and rotary isolation are achieved.
Each adjusting mechanism 2 comprises a first driving device 21 and a first adjusting structure, the first driving device 21 is in transmission connection with the first adjusting structure, a plurality of second adjusting structures are arranged on the guide disc corresponding to the first adjusting structures, the first adjusting structures are driven to move through the first driving device 21, the first driving structures can drive the second adjusting structures to move, accordingly, the radial position of the guide disc 1 is changed, and the guide disc 1 can be locked through the matching of each first adjusting structure and each second adjusting structure.
The first adjustment structure is the adjustment voussoir 22 with first drive arrangement 21 output end fixed connection, and the second adjustment structure is the fixed voussoir 3 that distributes around the guiding disc 1, and the glide plane of each adjustment voussoir 22 and the glide plane of a fixed voussoir 3 that sets up rather than corresponding are laminated mutually, and the glide plane of each adjustment voussoir 22 all becomes angle with self direction of motion, and first drive arrangement 21 can drive the motion of adjustment voussoir 22 to make the guiding disc 1 position change.
The first driving means 21 located at the upper left and upper right are preferably oil cylinders.
The first driving device 21 positioned at the left lower part and the right lower part comprises a servo motor, a screw rod and a nut, the screw rod is in transmission connection with an output shaft of the servo motor, the screw rod is in threaded connection with the nut, the nut is fixedly connected with the adjusting wedge block 22, and the adjusting wedge block 22 can move along with the nut along the extension direction of the screw rod by driving the screw rod to rotate through the servo motor.
Example two
The friction welder of the present embodiment includes the rotational isolation mechanism 100 of the first embodiment.
Can adjust 1 position of guiding disk on the tailstock integrated body through each guiding mechanism 2, the rotational positioning body that is used for installing the main shaft work piece on the main shaft can partly stretch into 1 inside and contact with the gyro wheel of guiding disk, can lock 1 position of guiding disk through guiding mechanism 2 simultaneously, and guiding disk 1 plays limiting displacement, can avoid the work piece to take place the skew in welding process.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (6)
1. A rotary isolation mechanism is characterized in that: the method comprises the following steps:
the tailstock integrated body is used for mounting a tailstock workpiece, a through hole is formed in the guide disc, a plurality of rollers are uniformly arranged on the inner wall of the through hole along the circumferential direction of the through hole, part of side walls of the rollers can be in contact with the outer wall of a rotary positioning body at the same time, and the rotary positioning body is used for mounting a spindle workpiece;
and the adjusting mechanisms are fixedly arranged on the tailstock integrated body, are distributed around the guide disc, and can be matched with each other to adjust the radial position of the guide disc so as to enable the guide disc and the rotary positioning body to be coaxial and lock the position of the guide disc.
2. The rotational isolation mechanism of claim 1, wherein: each adjustment mechanism all includes first drive arrangement and first adjustment structure, first drive arrangement with first adjustment structure transmission is connected, be provided with a plurality of second adjustment structures on the positioning disk corresponding first adjustment structure, through first drive arrangement drive first adjustment structure motion, first drive structure motion can drive second adjustment structure motion, thereby makes the positioning disk radial position changes, through each first adjustment structure with the cooperation of second adjustment structure can be to the positioning disk position is locked.
3. The rotational isolation mechanism of claim 1, wherein: the first adjusting structure is an adjusting wedge fixedly connected with the output end of the first driving device, the second adjusting structure is a fixed wedge distributed around the guide disc, the sliding surface of each adjusting wedge is attached to the sliding surface of one fixed wedge correspondingly arranged with the adjusting wedge, the sliding surface of each adjusting wedge forms an angle with the movement direction of the adjusting wedge, and the first driving device can drive the adjusting wedges to move, so that the position of the guide disc is changed.
4. The rotational isolation mechanism of claim 2, wherein: the first driving device is an oil cylinder.
5. The rotational isolation mechanism of claim 2, wherein: the first driving device comprises a servo motor, a screw rod and a nut, the screw rod is in transmission connection with an output shaft of the servo motor, the screw rod is in threaded connection with the nut, the nut is fixedly connected with the adjusting wedge block, and the adjusting wedge block can move along with the nut along the extension direction of the screw rod by the servo motor driving the screw rod to rotate.
6. A friction welder, characterized by: comprising a rotary isolation mechanism according to any one of claims 1 to 5.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210236256.7A CN114406445A (en) | 2022-03-11 | 2022-03-11 | Rotary isolation mechanism and friction welding machine |
| PCT/CN2022/129117 WO2023168962A1 (en) | 2022-03-11 | 2022-11-02 | Rotational isolation mechanism and friction welding machine |
| NL2034298A NL2034298B1 (en) | 2022-03-11 | 2023-03-08 | Rotary isolating mechanism and friction welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210236256.7A CN114406445A (en) | 2022-03-11 | 2022-03-11 | Rotary isolation mechanism and friction welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114406445A true CN114406445A (en) | 2022-04-29 |
Family
ID=81263907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210236256.7A Pending CN114406445A (en) | 2022-03-11 | 2022-03-11 | Rotary isolation mechanism and friction welding machine |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN114406445A (en) |
| NL (1) | NL2034298B1 (en) |
| WO (1) | WO2023168962A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023168962A1 (en) * | 2022-03-11 | 2023-09-14 | 哈尔滨焊接研究院有限公司 | Rotational isolation mechanism and friction welding machine |
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| CN201537805U (en) * | 2009-11-05 | 2010-08-04 | 沈阳黎明航空发动机(集团)有限责任公司 | Removable positioning device |
| EP2561951A1 (en) * | 2011-08-24 | 2013-02-27 | Wartmann Technologie AG | Device and method for manufacturing a butt joint between rotation-symmetrical bodies with local forming of the abutting zone of the held bodies |
| CN102990220A (en) * | 2012-08-28 | 2013-03-27 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for regulating accuracy of coaxiality between spindle side and tailstock side of friction welding machine |
| CN107971625A (en) * | 2017-11-24 | 2018-05-01 | 中国航发沈阳黎明航空发动机有限责任公司 | It is a kind of to adjust inertia friction welder main shaft side and the special method of tailstock side concentricity |
| CN111251129A (en) * | 2020-03-03 | 2020-06-09 | 河南理工大学 | Cam chuck structure for grinding cam shaft |
| CN113199133A (en) * | 2021-05-26 | 2021-08-03 | 贵州航天天马机电科技有限公司 | Angle-adjustable conical cylinder annular seam friction stir welding device and welding method |
| CN217166930U (en) * | 2022-03-11 | 2022-08-12 | 哈尔滨焊接研究院有限公司 | Friction welding machine and rotary isolation mechanism thereof |
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|---|---|---|---|---|
| US20090294511A1 (en) * | 2008-05-30 | 2009-12-03 | Vanderbilt University | Lateral position detection for friction stir systems |
| CN110579164A (en) * | 2019-09-29 | 2019-12-17 | 重庆科技学院 | synchronous clamping eccentric detection device for circular workpieces |
| CN211085083U (en) * | 2019-09-29 | 2020-07-24 | 重庆科技学院 | Synchronous clamping eccentric detection device for circular workpieces |
| CN113510361A (en) * | 2021-08-16 | 2021-10-19 | 哈尔滨焊接研究院有限公司 | Inertia friction welding device and method for aero-engine compressor disc assembly |
| CN215824522U (en) * | 2021-08-16 | 2022-02-15 | 哈尔滨焊接研究院有限公司 | Inertia friction welding device for aero-engine compressor disc assembly |
| CN114406445A (en) * | 2022-03-11 | 2022-04-29 | 哈尔滨焊接研究院有限公司 | Rotary isolation mechanism and friction welding machine |
-
2022
- 2022-03-11 CN CN202210236256.7A patent/CN114406445A/en active Pending
- 2022-11-02 WO PCT/CN2022/129117 patent/WO2023168962A1/en unknown
-
2023
- 2023-03-08 NL NL2034298A patent/NL2034298B1/en active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201537805U (en) * | 2009-11-05 | 2010-08-04 | 沈阳黎明航空发动机(集团)有限责任公司 | Removable positioning device |
| EP2561951A1 (en) * | 2011-08-24 | 2013-02-27 | Wartmann Technologie AG | Device and method for manufacturing a butt joint between rotation-symmetrical bodies with local forming of the abutting zone of the held bodies |
| CN102990220A (en) * | 2012-08-28 | 2013-03-27 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for regulating accuracy of coaxiality between spindle side and tailstock side of friction welding machine |
| CN107971625A (en) * | 2017-11-24 | 2018-05-01 | 中国航发沈阳黎明航空发动机有限责任公司 | It is a kind of to adjust inertia friction welder main shaft side and the special method of tailstock side concentricity |
| CN111251129A (en) * | 2020-03-03 | 2020-06-09 | 河南理工大学 | Cam chuck structure for grinding cam shaft |
| CN113199133A (en) * | 2021-05-26 | 2021-08-03 | 贵州航天天马机电科技有限公司 | Angle-adjustable conical cylinder annular seam friction stir welding device and welding method |
| CN217166930U (en) * | 2022-03-11 | 2022-08-12 | 哈尔滨焊接研究院有限公司 | Friction welding machine and rotary isolation mechanism thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023168962A1 (en) * | 2022-03-11 | 2023-09-14 | 哈尔滨焊接研究院有限公司 | Rotational isolation mechanism and friction welding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| NL2034298B1 (en) | 2024-04-08 |
| NL2034298A (en) | 2023-09-13 |
| WO2023168962A1 (en) | 2023-09-14 |
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