CN112828485A - Device for micro laser spot welding of thrust foil - Google Patents
Device for micro laser spot welding of thrust foil Download PDFInfo
- Publication number
- CN112828485A CN112828485A CN202011626156.2A CN202011626156A CN112828485A CN 112828485 A CN112828485 A CN 112828485A CN 202011626156 A CN202011626156 A CN 202011626156A CN 112828485 A CN112828485 A CN 112828485A
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- China
- Prior art keywords
- pressing
- translation
- spot welding
- rotating
- rotating mechanism
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Classifications
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0823—Devices involving rotation of the workpiece
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/083—Devices involving movement of the workpiece in at least one axial direction
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/22—Spot welding
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a device for micro laser spot welding of a thrust foil, which relates to the technical field of welding devices and mainly comprises a translation mechanism, a rotating mechanism and an upper pressing mechanism; the rotating mechanism is arranged on the translation mechanism, and the upper pressing mechanism is arranged on the side part of the rotating mechanism; the translation mechanism is used for driving the rotating mechanism to move along a straight line, the rotating mechanism is used for driving a weldment to rotate, and the upper pressing mechanism is used for pressing the weldment onto the rotating mechanism; the control system enables the translation mechanism to drive the weldment to move along a straight line, the laser welding equipment is matched with the tooth pitch of the pressing teeth on the pressing mechanism to punch a row of uniform welding spots, and the rotating mechanism drives the weldment to rotate so as to enter the next welding position quickly.
Description
Technical Field
The invention relates to the technical field of welding devices, in particular to a device for micro laser spot welding of thrust foil.
Background
Thrust foil bearings are widely used in aviation turbines and inertial gyroscopes, are indispensable parts in the aviation industry, are considered as key supporting parts, and are mainly imported from foreign countries. In terms of manufacturing technology, high-precision and high-reliability welding between the thrust top foil and the substrate is critical because the thrust foil bearing has high manufacturing precision and rotor alignment requirement and bears large temperature gradient change. According to the analysis of the material, the structural characteristics and the manufacturing requirements of the thrust foil bearing, a micro laser spot welding method is selected to accurately position the discrete thrust foil and the substrate and perform high-reliability welding. According to the high reliability of the thrust foil bearing and the high precision requirement of the manufacturing process, the device specially used for the micro laser spot welding of the thrust foil bearing is designed and manufactured by combining the technical characteristics of the micro laser spot welding.
Disclosure of Invention
In order to solve the technical problems, the invention provides a device for micro laser spot welding of thrust foil, which is used for realizing accurate welding of a thrust foil bearing.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a device for micro laser spot welding of a thrust foil, which comprises a translation mechanism, a rotating mechanism and an upper pressing mechanism, wherein the translation mechanism is arranged on the upper pressing mechanism; the rotating mechanism is arranged on the translation mechanism, and the upper pressing mechanism is arranged on the side part of the rotating mechanism; the translation mechanism is used for driving the rotating mechanism to move along a straight line, the rotating mechanism is used for driving a weldment to rotate, and the upper pressing mechanism is used for pressing the weldment on the rotating mechanism.
Optionally, the device for the micro laser spot welding of the thrust foil further comprises a clamp bottom plate, the clamp bottom plate is arranged on the translation mechanism, and the rotating mechanism and the upper pressing mechanism are arranged on the clamp bottom plate.
Optionally, the translation mechanism comprises a translation guide driving structure and a sliding plate; the slide set up in translation direction drive structure is last, slewing mechanism set up in on the slide.
Optionally, the translation guide driving structure includes a translation motor, a guide rail and a threaded guide rod; one end of the threaded guide rod is connected with a power output shaft of the translation motor, the guide rails are arranged on two sides of the threaded guide rod, and the sliding plate is in transmission connection with the threaded guide rod.
Optionally, the rotating mechanism includes a turntable, a data converter and a rotating motor; the data converter is electrically connected with the rotating motor, and the turntable is in transmission connection with the rotating motor.
Optionally, the upper pressing mechanism comprises a base, a pressing rod and a pressing head; the middle part of the pressing rod is rotatably connected with the base, and the pressing head is arranged at one end of the pressing rod; the lower end of the pressing head is provided with a plurality of pressing teeth.
Optionally, the upper pressing mechanism further comprises a connecting block, and the connecting block is arranged between the pressing rod and the pressing head.
Optionally, the pressing rod is connected with the base through a rotating pin.
Optionally, the device for the micro laser spot welding of the thrust foil further comprises a pressing plate and a base plate, wherein the base plate is arranged on the rotating mechanism, the pressing plate is arranged on the base plate, and the pressing plate is used for pressing the bearing seat.
Optionally, the device for the thrust foil micro laser spot welding further comprises a control system, the control system comprises a control module, and the translation mechanism and the rotation mechanism are electrically connected with the control module.
Compared with the prior art, the invention has the following technical effects:
the device for the micro laser spot welding of the thrust foil mainly structurally comprises a translation mechanism, a rotating mechanism and an upper pressing mechanism; the control system enables the translation mechanism to drive the weldment to move along a straight line, the laser welding equipment is matched with the tooth pitch of the pressing teeth on the pressing mechanism to punch a row of uniform welding spots, and the rotating mechanism drives the weldment to rotate so as to enter the next welding position quickly.
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 view of an apparatus for micro laser spot welding of a thrust washer according to the present invention;
FIG. 2 is a schematic structural diagram of a translation mechanism in the device for micro laser spot welding of the thrust foil of the present invention;
FIG. 3 is a schematic structural diagram of a rotating mechanism in the device for micro laser spot welding of the thrust foil of the present invention;
FIG. 4 is a schematic structural diagram of an upper pressing mechanism in the device for micro laser spot welding of the thrust top foil of the present invention;
fig. 5 is a schematic structural diagram of a weldment to be processed by the device for the micro laser spot welding of the thrust top foil of the invention.
Description of reference numerals: 11. a base; 12. a rotation pin; 13. a hold down bar; 14. connecting blocks; 15. a compression head; 2. pressing a plate; 3. a base plate; 4. a clamp base plate; 51. a turntable; 52. a drive shaft; 53. a data converter; 54. rotating the motor; 55. a coupling; 6. a translation mechanism; 61. a translation motor; 62. a guide rail; 63. a threaded guide rod; 64. a slide plate; 7. a thrust foil; 8. welding spots; 9. a substrate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, the present embodiment provides an apparatus for push-stop foil micro laser spot welding, including a translation mechanism 6, a rotation mechanism, and an upper pressing mechanism; the rotating mechanism is arranged on the translation mechanism 6, and the upper pressing mechanism is arranged on the side part of the rotating mechanism; the translation mechanism 6 is used for driving the rotating mechanism to move along a straight line, the rotating mechanism is used for driving the weldment to rotate, and the upper pressing mechanism is used for pressing the weldment on the rotating mechanism.
In this embodiment, the device for the micro laser spot welding of the thrust foil further includes a clamp bottom plate 4, a pressing plate 2 and a backing plate 3, the clamp bottom plate 4 is connected with a sliding plate 64 on the translation mechanism 6 through a bolt, and the rotating mechanism and the upper pressing mechanism are both arranged on the clamp bottom plate 4. The backing plate 3 is arranged on a rotary disc 51 in the rotating mechanism, and the backing plate 3 is connected with the rotary disc 51 through a screw; the pressing plate 2 is arranged on the base plate 3, and the pressing plate 2 is used for pressing the bearing seat.
The translation mechanism 6 comprises a translation guide driving structure and a sliding plate 64; the sliding plate 64 is arranged on the translation guide driving structure, and the rotating mechanism is arranged on the sliding plate 64.
The translation guide driving structure comprises a translation motor 61, a guide rail 62 and a threaded guide rod 63; one end of the threaded guide rod 63 is connected with a power output shaft of the translation motor 61, the guide rails 62 are arranged on two sides of the threaded guide rod 63, and the sliding plate 64 is in transmission connection with the threaded guide rod 63.
The translational guide driving structure can also adopt other structures with linear driving, such as a linear motor or an air cylinder or a hydraulic cylinder.
The rotating mechanism comprises a turntable 51, a data converter 53 and a rotating motor 54; the data converter 53 is electrically connected with the rotating motor 54, and the turntable 51 is in transmission connection with the rotating motor 54.
The upper pressing mechanism comprises a base 11, a pressing rod 13, a connecting block 14 and a pressing head 15; the base 11 is installed on the clamp bottom plate 4 through a bolt, the middle of the pressing rod 13 is rotatably connected with the base 11 through a rotating pin 12, the connecting block 14 is arranged at one end of the pressing rod 13 through a bolt, and the pressing head 15 is arranged on the connecting block 14 through a bolt. The lower end of the pressing head 15 is provided with a plurality of pressing teeth, and the number and the intervals of the pressing teeth are determined according to the length of a welding seam and the density of a welding spot.
The device for the micro laser spot welding of the thrust and ejection foil further comprises a control system, the control system comprises a control module, and the translation mechanism 6 and the rotating mechanism are electrically connected with the control module.
When the welding piece is used, the circular and straight foil pieces of the welding piece are placed on the backing plate 3 and matched with the positioning pins, so that the welding piece has a safe and reliable welding position. Then, the pressing plate 2 is placed, the fan-shaped flat foil sheets are placed in the fan-shaped lattices in the pressing plate 2, and then the weldment is pressed through the upper pressing mechanism 1. The whole set of fixture is placed on laser micro-welding equipment, and light spots are aligned with a first inter-tooth space of the pressing head 15 through the translation mechanism and the rotation mechanism. The control system automatically controls the translation mechanism 6 to enable the weldment to intermittently and uniformly move, and the distance of one tooth pitch of the pressing head is moved every time, so that a row of uniform welding spots are punched. After the completion of the process, the pressing rod 13 is pressed to lift the pressing head 15, and the computer controls the rotating motor 54 to rotate the turntable 51 by 45 degrees so as to weld the next position. The clamp is controlled by a computer to ensure that welding spots are uniform and welding positions are accurate.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present 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 (10)
1. A device for micro laser spot welding of a thrust foil is characterized by comprising a translation mechanism, a rotation mechanism and an upper pressing mechanism; the rotating mechanism is arranged on the translation mechanism, and the upper pressing mechanism is arranged on the side part of the rotating mechanism; the translation mechanism is used for driving the rotating mechanism to move along a straight line, the rotating mechanism is used for driving a weldment to rotate, and the upper pressing mechanism is used for pressing the weldment on the rotating mechanism.
2. The apparatus of claim 1, further comprising a fixture base plate, said fixture base plate being disposed on said translation mechanism, said rotation mechanism and said upper hold-down mechanism being disposed on said fixture base plate.
3. The apparatus for thrust foil microlaser spot welding according to claim 1, wherein said translating mechanism comprises a translating guide drive structure and a slide; the slide set up in translation direction drive structure is last, slewing mechanism set up in on the slide.
4. The apparatus for thrust foil microlaser spot welding according to claim 3, wherein said translational guide drive structure comprises a translation motor, a guide rail and a threaded guide rod; one end of the threaded guide rod is connected with a power output shaft of the translation motor, the guide rails are arranged on two sides of the threaded guide rod, and the sliding plate is in transmission connection with the threaded guide rod.
5. The apparatus for thrust foil microlaser spot welding according to claim 1, wherein said rotating mechanism comprises a turntable, a data converter and a rotating motor; the data converter is electrically connected with the rotating motor, and the turntable is in transmission connection with the rotating motor.
6. The apparatus for push-stop foil microlaser spot welding according to claim 1, characterised in that said upper pressing means comprises a base, a pressing rod and a pressing head; the middle part of the pressing rod is rotatably connected with the base, and the pressing head is arranged at one end of the pressing rod; the lower end of the pressing head is provided with a plurality of pressing teeth.
7. The apparatus of claim 6, wherein said upper clamping mechanism further comprises a connecting block disposed between said clamping bar and said clamping head.
8. The device for micro laser spot welding of thrust top foils according to claim 6, characterized in that the pressing rod is connected to the base by a rotating pin.
9. The device for micro laser spot welding of thrust top foil according to claim 1, further comprising a pressing plate and a backing plate, wherein the backing plate is arranged on the rotating mechanism, the pressing plate is arranged on the backing plate, and the pressing plate is used for pressing the bearing seat.
10. The apparatus of claim 1, further comprising a control system, the control system including a control module, wherein the translation mechanism and the rotation mechanism are each electrically connected to the control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011626156.2A CN112828485B (en) | 2020-12-31 | 2020-12-31 | Device for micro laser spot welding of thrust foil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011626156.2A CN112828485B (en) | 2020-12-31 | 2020-12-31 | Device for micro laser spot welding of thrust foil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112828485A true CN112828485A (en) | 2021-05-25 |
| CN112828485B CN112828485B (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011626156.2A Active CN112828485B (en) | 2020-12-31 | 2020-12-31 | Device for micro laser spot welding of thrust foil |
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| Country | Link |
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| CN (1) | CN112828485B (en) |
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| CN112828485B (en) | 2023-03-24 |
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