CN110293342B - Welding combination revolving stage device and adopt its real empty room - Google Patents
Welding combination revolving stage device and adopt its real empty room Download PDFInfo
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- CN110293342B CN110293342B CN201910551441.3A CN201910551441A CN110293342B CN 110293342 B CN110293342 B CN 110293342B CN 201910551441 A CN201910551441 A CN 201910551441A CN 110293342 B CN110293342 B CN 110293342B
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- turntable
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- rotary table
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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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
- 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
-
- 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
- B23K37/0461—Welding tables
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding combination turntable device and a vacuum chamber adopting the same, wherein the vacuum chamber is fixedly arranged on a base, the welding combination turntable device is arranged in a cavity of the vacuum chamber and comprises a large turntable, a small turntable, a rotating shaft, a first motor, a second motor and a first transmission mechanism, one end of the rotating shaft is fixedly connected with the large turntable, the other end of the rotating shaft is connected with the base, and the small turntable is provided with a plurality of parts and is arranged on the large turntable; the first motor is connected with the first transmission mechanism, and the rotating shaft is driven by the first transmission mechanism to rotate; the second motor is arranged at the position below the large rotary table corresponding to each small rotary table and used for driving the small rotary tables to rotate, and each small rotary table is provided with a clamp used for clamping a workpiece; the first motor and the second motor are both driven by the PLC control unit. The damping table of the blade to be welded is sent to the welding combined rotary table device of the induction coil through the combined rotation of the large rotary table and the small rotary table, and the mechanical device replaces manual operation to complete the welding process, so that the product quality is improved.
Description
Technical Field
The invention relates to the field of manufacturing of aero-engine blades, in particular to a welding combined rotary table device and a vacuum chamber adopting the same.
Background
At present, the welding of the blade damping platform of the large-bypass-ratio aircraft engine is completed by manually lifting a workpiece to send the workpiece into a high-frequency induction coil in a vacuum argon filling chamber, and the welding is an operation mode depending on the skill of an operator, the operation process is inconsistent due to the influence of human factors, the welding positions of the blades are not uniform, the welding temperature is not uniform, the welding quality is unstable, the blades are easy to touch the induction coil to generate discharge and damage the blade body, and after the electrically damaged blades are mounted on the engine, great quality hidden dangers can be caused; therefore, it is necessary to invent a welding device suitable for welding large fan rotor blades.
Disclosure of Invention
The invention aims to provide a welding combined turntable device and a vacuum chamber adopting the same, wherein a mechanical device replaces manual operation to finish a welding process, and the stability and consistency of product quality are greatly improved.
The invention is realized by the following technical scheme:
a welding combination turntable device comprises a large turntable, small turntables, a rotating shaft, a first motor, a second motor and a first transmission mechanism, wherein one end of the rotating shaft is fixedly connected with the large turntable, the other end of the rotating shaft is fixed, and the small turntables are provided with a plurality of small turntables and are distributed on the large turntable;
the first motor is connected with the first transmission mechanism, and the rotating shaft is driven by the first transmission mechanism to rotate;
the second motor is arranged at the position below the large rotary table corresponding to each small rotary table and used for driving the small rotary tables to rotate; each small rotary table is provided with a clamp for clamping a workpiece;
the first motor and the second motor are controlled and driven by the PLC control unit.
Furthermore, the first transmission mechanism is a gear transmission mechanism and comprises a first gear and a second gear, the first gear is connected with a first motor, the first gear is meshed with the second gear, the second gear is fixed on the rotating shaft, the motor drives the first gear to rotate, and the first gear drives the rotating shaft to rotate through the second gear.
Furthermore, the large turntable is fixedly connected with the second gear through a plurality of bolts.
Furthermore, a shaft hole and a sliding groove are formed in the small rotary table, the small rotary table is installed on the second motor through the shaft hole, a limiting pin is arranged on the large rotary table and is arranged in the sliding groove, and the limiting pin is used for limiting displacement of the sliding groove and further limiting rotation of the small rotary table.
Furthermore, the number of the small rotary tables is 6, and the small rotary tables are uniformly distributed on the large rotary table.
Further, the small turntable is mostly semicircular.
Furthermore, a plurality of lightening holes are uniformly distributed on the large rotary table along the circumference, and the lightening holes and the small rotary table are arranged in a crossed mode.
Further, when the welding combination turntable device is used, the welding combination turntable device is installed in a cavity of the vacuum chamber, the vacuum chamber is fixedly installed on the base, and the rotating shaft is connected with the base through a bearing.
Further, the second motor is connected with an electric brush, a power supply groove is formed in the vacuum chamber, and when the second motor drives the electric brush to rotate to the power supply groove, the second motor is electrified.
The invention also discloses a vacuum chamber adopting the welding combination rotary table device, and the welding combination rotary table device is arranged on the inner side of the gate of the vacuum chamber.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention discloses a welding combined turntable device which comprises a large turntable, a small turntable, a rotating shaft, a first motor, a second motor and a first transmission mechanism. When the combined rotary table device is used, the combined rotary table device for welding is arranged in a cavity of a vacuum chamber, and the damping table of the blade to be welded is sent into the combined rotary table device for welding of the induction coil through the combined rotation of the large rotary table and the small rotary table, so that a mechanical device replaces manual operation to complete the welding process. The device's use can promote product quality's stability and uniformity by a wide margin, realizes the automatic high-efficient welding production of blade, alleviates workman's intensity of labour by a wide margin, satisfies security and the reliability requirement of using fan rotor blade.
Further, first drive mechanism is gear drive, including first gear and second gear, and gear drive simply easily realizes, and first motor passes through gear drive and drives the axis of rotation and rotate, and then drives big revolving stage rotatory, rotates little revolving stage to the welding station.
Furthermore, a sliding groove is formed in the small rotary table, a limiting pin is correspondingly arranged on the large rotary table, the rotary displacement of the sliding groove is limited through the limiting pin, the rotary angle of the small rotary table is limited, small-angle rotation of the small rotary table is achieved, the posture of the blade is adjusted, and the blade damping table is coupled with the induction coil and then welded.
Furthermore, the number of the small rotary tables is generally 6, and the PLC control unit drives the large rotary table to rotate for 60 degrees each time, so that one small rotary table is conveyed to the welding station.
Further, the second motor is connected with the electric brush, and the electric brush realizes that the second motor conducts current with the static power supply groove to control the electrification of a certain motor.
The invention also discloses a vacuum chamber adopting the welding combination rotary table device, which realizes the automatic welding of the blade.
Drawings
FIG. 1 is a schematic structural view of a welding combination turntable device of the present invention;
FIG. 2 is a schematic view of a connection structure of a large turntable and a small turntable;
fig. 3 is a schematic structural diagram of a small turntable.
The device comprises a base 1, an electric brush 2, a first motor 3, a first gear 4, a bearing 5, a clamp 6, a second gear 7, a second motor 8, a large rotary table 9, a small rotary table 10, a rotating shaft 11, a lightening hole 12, a shaft hole 13, a sliding groove 14 and a limiting pin 15.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
As shown in fig. 1, the welding combination turntable device of the present invention includes a large turntable 9, a small turntable 10, a rotating shaft 11, a first motor 3, a second motor 8 and a first transmission mechanism, wherein one end of the rotating shaft 11 is fixedly connected with the large turntable 9, the other end is fixed with an external device, and the small turntable 10 is provided with a plurality of small turntables and is arranged on the large turntable 9; the first motor 3 is connected with a first transmission mechanism, and the rotating shaft 11 is driven by the first transmission mechanism to rotate; the second motor 8 is arranged at the position below the large rotary table 9 corresponding to each small rotary table 10 and used for driving the small rotary tables 10 to rotate, and each small rotary table 10 is provided with a clamp 6 for clamping a workpiece; the first motor 3 and the second motor 8 are controlled and driven by the PLC control unit. When the welding combined rotary table device is used, the welding combined rotary table device is arranged in a cavity of a vacuum chamber, the vacuum chamber is fixedly arranged on the base 1, and the rotating shaft 11 is connected with the base 1 through the bearing 5.
The first transmission mechanism is a gear transmission mechanism and comprises a first gear 4 and a second gear 7, the first gear 4 is connected with a first motor 3, the first gear 4 is meshed with the second gear 7, the second gear 7 is fixed on a rotating shaft 11, the motor drives the first gear 4 to rotate, and the first gear 4 drives the rotating shaft 11 to rotate through the second gear 7. The large turntable 9 is fixedly connected with the second gear 7 through a plurality of bolts.
Aiming at the characteristics of large size, heavy weight and complex structure of the blade, the invention meets the requirement that the welding part of the blade damping table can automatically reach the preset welding space position during welding, adopts the mode that 6 small turntables 10 are arranged on a large turntable 9 and a set of blade clamps 6 are arranged on each small turntable 10, and utilizes the servo frequency conversion circumference stepless control technology based on PLC control to realize that the large turntable 9 rotates the small turntable 10 to the welding station according to the indexing rotation, and the small turntable 10 independently rotates during welding to realize the blade posture adjustment.
As shown in figure 2, the number of the small turntables 10 is 6, and the small turntables are uniformly distributed on the large turntable 9, so that 6 workpieces can be clamped in the vacuum argon filling chamber at one time.
The damping table of the blade to be welded is sent into the induction coil through the combined rotation of the large rotary table 9 and the small rotary table 10, so that a mechanical device replaces manual operation to complete the welding process. The device's use can promote product quality's stability and uniformity by a wide margin, realizes the automatic high-efficient welding production of blade, alleviates workman's intensity of labour by a wide margin, satisfies security and the reliability requirement of using fan rotor blade.
The large turntable 9 is circular, 6 lightening holes 12 are formed in the table top and are uniformly distributed along the circumference, the large turntable 9 and the rotating shaft 11 are connected to form a rotating body, and the rotating shaft 11 and the second gear 7 are of an integrated structure.
As shown in fig. 3, the small turntable 10 is designed in a semicircular shape to save materials and to reduce weight. Open on little revolving stage 10 has shaft hole 13 and spout 14, and little revolving stage 10 passes through shaft hole 13 to be installed on second motor 8, and then makes little revolving stage 10 and big revolving stage 9 couple together, is equipped with spacer pin 15 on big revolving stage 9, and in the spout 14 was located to spacer pin 15, spacer pin 15 was used for limiting the displacement of spout 14, and then the rotation of restriction little revolving stage 10. The PLC control unit controls and drives the small rotary table 10 to rotate within a certain range at a small angle so as to adjust the blade posture, so that the blade damping table is coupled with the induction coil and then welded.
The rotating shaft 11 is connected to the base 1 through a bearing 5. The electric brush 2 is used for supplying power for the second motor 8, a power supply groove is arranged in the vacuum chamber body and connected with a power supply, and when the second motor 8 drives the electric brush 2 to rotate to the power supply groove, the second motor 8 is electrified.
During welding, the first motor 3 is started, the large rotary table 9 is driven to rotate through the gear transmission mechanism, the PLC control unit drives the large rotary table 9 to rotate for 60 degrees at each time, one of the small rotary tables 10 is sent to a welding station, at the moment, the electric brush 2 installed on the second motor 8 is in contact with the power supply groove, power supply of the second motor 8 is achieved, the second motor 8 is started, the PLC control unit controls and drives the small rotary tables 10 to rotate at a small angle, blade postures are adjusted, and the blade damping table is coupled with the induction coil and then welded.
The welding combination turntable device is integrally integrated on the inner side of the arc-shaped gate of the vacuum chamber, is integrated with the gate, and can axially move along with the gate opening/closing mechanism to realize the movement of the blade into and out of a welding position.
The welding process realizes efficient and stable production of the abrasion-resistant layer of the adjacent surface of the damping platform of the rotor blade of the aircraft engine fan, the quality consistency of the welded blade is high, the welding process control, the defect control, the industrial safety control level and the product quality and the production efficiency are greatly improved compared with manual operation, and the labor intensity of operators is reduced.
The welding combined turntable device is applied to scientific research and production of certain type of blades of aeroengines in China, can also be popularized and applied to welding and manufacturing of wear-resistant layers of adjacent surfaces of damping tables of fan blades of aeroengines of other types, and can also be applied to manufacturing of blades of gas turbines and large generators.
Claims (9)
1. A welding combination turntable device is characterized by comprising a large turntable (9), a small turntable (10), a rotating shaft (11), a first motor (3), a second motor (8) and a first transmission mechanism, wherein one end of the rotating shaft (11) is fixedly connected with the large turntable (9), the other end of the rotating shaft is fixed, and a plurality of small turntables (10) are arranged on the large turntable (9);
the first motor (3) is connected with the first transmission mechanism, and the rotating shaft (11) is driven by the first transmission mechanism to rotate;
the second motor (8) is arranged at the position below the large rotary table (9) corresponding to each small rotary table (10) and is used for driving the small rotary tables (10) to rotate; each small rotary table (10) is provided with a clamp (6) for clamping a workpiece;
the first motor (3) and the second motor (8) are controlled and driven by the PLC control unit;
the rotary table is characterized in that a shaft hole (13) and a sliding groove (14) are formed in the small rotary table (10), the small rotary table (10) is installed on the second motor (8) through the shaft hole (13), a limiting pin (15) is arranged on the large rotary table (9), the limiting pin (15) is arranged in the sliding groove (14), and the limiting pin (15) is used for limiting displacement of the sliding groove (14) and further limiting rotation of the small rotary table (10).
2. Welding gang turntable device according to claim 1, characterized in that the first transmission is a gear transmission comprising a first gear (4) and a second gear (7), the first gear (4) being connected to a first motor (3), the first gear (4) being in mesh with the second gear (7), the second gear (7) being fixed to a rotating shaft (11), the motor driving the first gear (4) to rotate, the first gear (4) driving the rotating shaft (11) to rotate via the second gear (7).
3. Welding gang turntable device according to claim 2, characterized in that the large turntable (9) is fixedly connected to the second gear wheel (7) by means of several bolts.
4. Welding gang turntable device according to claim 1, characterized in that there are 6 small turntables (10) and evenly distributed on the large turntable (9).
5. Welding gang turntable device according to claim 1, characterized in that the small turntable (10) is mostly semi-circular.
6. The welding combination turntable device according to claim 1, characterized in that a plurality of lightening holes (12) are uniformly distributed on the large turntable (9) along the circumference, and the lightening holes (12) are arranged crosswise with the position where the small turntable (10) is arranged.
7. Welding gang turntable device according to claim 1, characterized in that, in use, it is mounted in a chamber of a vacuum chamber, which is fixedly mounted on the base (1), and the rotating shaft (11) is connected to the base (1) by means of a bearing (5).
8. Welding gang turntable device according to claim 7, characterized in that the second motor (8) is connected to an electric brush (2), that a power supply slot is provided in the vacuum chamber cavity, and that the second motor (8) is energized when the second motor (8) rotates the electric brush (2) to the power supply slot.
9. The vacuum chamber using the welding combination turntable device as claimed in any one of claims 1 to 8, wherein the welding combination turntable device is installed on an inner side of a gate of the vacuum chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910551441.3A CN110293342B (en) | 2019-06-24 | 2019-06-24 | Welding combination revolving stage device and adopt its real empty room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910551441.3A CN110293342B (en) | 2019-06-24 | 2019-06-24 | Welding combination revolving stage device and adopt its real empty room |
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| Publication Number | Publication Date |
|---|---|
| CN110293342A CN110293342A (en) | 2019-10-01 |
| CN110293342B true CN110293342B (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910551441.3A Active CN110293342B (en) | 2019-06-24 | 2019-06-24 | Welding combination revolving stage device and adopt its real empty room |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0596796B1 (en) * | 1992-11-04 | 1997-06-18 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" | Method for welding a bladed rotor disk using a beam of radiant energy |
| JPH09248679A (en) * | 1996-03-18 | 1997-09-22 | Dengensha Mfg Co Ltd | Grinding device for electrode tip in resistance welding machine |
| CN103616844A (en) * | 2013-11-20 | 2014-03-05 | 沈阳黎明航空发动机(集团)有限责任公司 | Multi-station rotating table control device and method |
| CN204504445U (en) * | 2015-03-26 | 2015-07-29 | 张旭 | A kind of automatic brazing machine |
| CN207824423U (en) * | 2018-01-04 | 2018-09-07 | 鹤山市信佳自动化机械设备有限公司 | A kind of process equipment of adjustable angle |
| CN208279680U (en) * | 2018-04-08 | 2018-12-25 | 广东省新材料研究所 | Rotary clamp and arc ion plating apparatus for turbo blade arc ion plating |
| CN109396720A (en) * | 2018-11-29 | 2019-03-01 | 中国工程物理研究院机械制造工艺研究所 | A kind of multistation vacuum welding is consecutive |
| CN109570721A (en) * | 2018-12-03 | 2019-04-05 | 中国工程物理研究院材料研究所 | A kind of horizontal Six-position rotating automatic welding device |
-
2019
- 2019-06-24 CN CN201910551441.3A patent/CN110293342B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0596796B1 (en) * | 1992-11-04 | 1997-06-18 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" | Method for welding a bladed rotor disk using a beam of radiant energy |
| JPH09248679A (en) * | 1996-03-18 | 1997-09-22 | Dengensha Mfg Co Ltd | Grinding device for electrode tip in resistance welding machine |
| CN103616844A (en) * | 2013-11-20 | 2014-03-05 | 沈阳黎明航空发动机(集团)有限责任公司 | Multi-station rotating table control device and method |
| CN204504445U (en) * | 2015-03-26 | 2015-07-29 | 张旭 | A kind of automatic brazing machine |
| CN207824423U (en) * | 2018-01-04 | 2018-09-07 | 鹤山市信佳自动化机械设备有限公司 | A kind of process equipment of adjustable angle |
| CN208279680U (en) * | 2018-04-08 | 2018-12-25 | 广东省新材料研究所 | Rotary clamp and arc ion plating apparatus for turbo blade arc ion plating |
| CN109396720A (en) * | 2018-11-29 | 2019-03-01 | 中国工程物理研究院机械制造工艺研究所 | A kind of multistation vacuum welding is consecutive |
| CN109570721A (en) * | 2018-12-03 | 2019-04-05 | 中国工程物理研究院材料研究所 | A kind of horizontal Six-position rotating automatic welding device |
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