CN110757054A - Welding device for casing diffuser shell assembly - Google Patents
Welding device for casing diffuser shell assembly Download PDFInfo
- Publication number
- CN110757054A CN110757054A CN201910893620.5A CN201910893620A CN110757054A CN 110757054 A CN110757054 A CN 110757054A CN 201910893620 A CN201910893620 A CN 201910893620A CN 110757054 A CN110757054 A CN 110757054A
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- base
- locking
- positioning
- centering
- welding device
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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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding device for a casing diffuser shell assembly, which comprises a base, a positioning core shaft vertically connected to the base, an elastic locking mechanism arranged at the end part of the positioning core shaft far away from the base, and a positioning mechanism positioned between the base and the elastic locking mechanism and connected to the positioning core shaft in a matching manner; the positioning mechanism comprises a plurality of centering discs arranged along the axial direction of the positioning mandrel and sleeves which are positioned between the adjacent centering discs and are connected to the positioning mandrel in a matching way; the centering device is simple in structure and convenient to operate, parts are centered and installed through the centering discs and the sleeve, stability and reliability are realized, the parallelism of each centering disc on the base is not influenced by each sleeve, the influence caused by accumulated errors is eliminated, the welding cost is reduced, and the welding efficiency is improved; the elastic locking mechanism drives the pressing cover to move, so that the shrinkage of parts is eliminated, and the welding effect is improved.
Description
Technical Field
The invention relates to the technical field of electron beam welding of a plurality of annular parts, in particular to a welding device for a casing diffuser shell assembly.
Background
The diffuser housing assembly of the casing consists of cylindrical and conical surfaces, most of these dimensions have coaxiality requirements and are strictly guaranteed during machining. The diffuser housing assembly is welded in large numbers at a time, saving welding time and expense. In order to achieve a desired size of the welded housing components, each housing component needs to be individually centered. In the prior art, the welding tool is only suitable for a single part or a positioning structure with a plurality of positioning bases. And when welding operation is carried out, the operation of workers is complicated, the accumulated error is large, and the welding operation is not easy to be qualified.
Disclosure of Invention
The invention aims to provide a welding device for a casing diffuser shell assembly, which aims to solve the problems of inconvenient operation and poor welding quality of the existing welding device.
The technical scheme for solving the technical problems is as follows: a welding device for a casing diffuser shell assembly comprises a base, a positioning core shaft vertically connected to the base, a locking adjusting mechanism arranged on the end portion of the base, an elastic locking mechanism arranged on the end portion, far away from the base, of the positioning core shaft, and a positioning mechanism located between the base and the elastic locking mechanism and connected to the positioning core shaft in a matched mode;
the positioning mechanism comprises a plurality of centering disks arranged along the axial direction of the positioning mandrel and sleeves which are positioned between the adjacent centering disks and are connected to the positioning mandrel in a matching manner.
Further, the elastic locking mechanism comprises a pressing cover and a locking piece which are arranged at the end part of the positioning mandrel, and an elastic piece which is positioned between the pressing cover and the locking piece.
Further, the pressing cover is connected with the pressing plate at the end part of the positioning mandrel and the limiting plate connected with the pressing plate in a matching mode, and the elastic piece is located between the pressing plate and the locking piece.
Furthermore, a limiting groove is formed in the limiting plate, and the limiting groove is located in the end face, facing the base, of the limiting plate.
Further, the positioning core shaft is including setting up fixing base on the base, setting are in centering shaft on the fixing base and connection are in the locking axle of centering shaft tip, centering dish and sleeve cooperation are connected on the centering shaft, retaining member cooperation is connected on the locking axle, the pressure strip sets up the centering shaft with locking hub connection department.
Furthermore, be provided with the external screw thread on the locking shaft outer wall, seted up in the retaining member with external screw thread matched with screw hole.
Furthermore, the locking adjusting mechanism comprises a supporting adjusting piece arranged at the end part of the base, a pressing plate connected to the supporting adjusting piece in a matching manner, and a fixing piece arranged on the pressing plate.
Further, the sleeve is pressed against the centering shaft by a screw.
Further, two ends of the sleeve are respectively abutted against the surfaces of the adjacent centering disks.
Further, a sealing gasket is arranged between the locking piece and the pressing cover.
The invention has the following beneficial effects: the welding device for the casing diffuser shell assembly provided by the invention is simple in structure, convenient to operate, suitable for welding one or more groups of parts, stable and reliable, and capable of realizing centering installation of the parts through the centering discs and the sleeve, and enabling the parallelism of each centering disc to the base not to be influenced by each other through the sleeve, thereby eliminating the influence caused by accumulated errors, reducing the welding cost and improving the welding efficiency; the elastic locking mechanism drives the pressing cover to move, so that the pressing cover is tightly pressed on the spigot of the part, a coarse centering effect is achieved, pressing force is uniformly distributed on the part, the shrinkage of the part is eliminated, and the welding effect is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the hold down cover of the present invention;
FIG. 3 is a schematic view of a positioning mandrel of the present invention;
the reference numerals shown in fig. 1 to 3 are respectively expressed as: 1-base, 2-positioning mandrel, 10-locking adjusting mechanism, 3-elastic locking mechanism, 4-positioning mechanism, 40-centering disc, 41-sleeve, 30-pressing cover, 31-locking member, 301-pressing plate, 302-limiting plate, 303-limiting groove, 22-fixing seat, 20-centering shaft, 21-locking shaft, 101-supporting adjusting member, 102-pressing plate, 103-fixing member, 5-sealing washer and 100-part.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, a welding device for a casing diffuser shell assembly includes a base 1, a positioning mandrel 2 vertically connected to the base 1, a locking adjusting mechanism 10 disposed on an end of the base 1, an elastic locking mechanism 3 disposed on an end of the positioning mandrel 2 far from the base 1, and a positioning mechanism 4 disposed between the base 1 and the elastic locking mechanism 3 and cooperatively connected to the positioning mandrel 2. The base 1 provides reliable and stable support for the whole device, and guarantees the stability in the welding process. The positioning mandrel 2 and the positioning mechanism 4 form a positioning structure of the device, and the part 100 is installed on the positioning structure, so that the device is stable and reliable. The elastic locking mechanism 3 is used for compressing the parts, the compression mode is elastic compression, and a certain amount of shrinkage can be generated in the welding process of the parts, so that the welding quality is ensured. The locking adjusting mechanism 10 is used for fixing the combined parts, and the fixing reliability is guaranteed.
The positioning mechanism 4 includes a plurality of centering disks 40 disposed axially along the positioning mandrel 2 and a sleeve 41 disposed between adjacent centering disks 40 and cooperatively connected to the positioning mandrel 2. And positioning the parts on the positioning disc according to the welding positions of the product parts. The two ends of the sleeve 41 are respectively abutted against the surfaces of the adjacent centering disks 40, and the sleeve 41 is tightly pressed on the positioning mandrel 2 through screws, so that the parallelism of each centering disk 40 to the base 1 is not influenced mutually, and the influence caused by accumulated errors is eliminated.
The elastic locking mechanism 3 includes a hold-down cap 30 and a locker 31 provided at the end of the positioning spindle 2, and an elastic member 32 located between the hold-down cap 30 and the locker 31. The locking member 31 is preferably a nut, and the elastic member 32 is preferably a return spring. And selecting a proper return spring according to the shrinkage of welding of the parts, so that no gap exists between the parts. The pressing cover 30 is pressed and buckled on the seam allowance of the part, on one hand, the coarse centering effect can be achieved, and on the other hand, the pressing force can be uniformly distributed on the part. Through screwing up retaining member 31 for the spring shrink compresses tightly the part, and in welding process, the part takes place the shrink, and the spring eliminates the part shrink under the effect of force.
In order to improve the pressing reliability of the pressing cover 30 on the part, as shown in fig. 2, in the present invention, the pressing cover 30 includes a pressing plate 301 cooperatively connected to the end of the positioning mandrel 2 and a limiting plate 302 connected to the pressing plate 301, and the elastic member 32 is located between the pressing plate 301 and the locking member 31. The pressure strip 301 is connected with the cooperation of location dabber 2, and limiting plate 302 then with part looks butt, wherein, has seted up spacing groove 303 on the limiting plate 302 is close to the terminal surface of base 1, in the use, this spacing groove 303 contacts as the terminal surface of tang with the part to the displacement of restriction part guarantees the reliable performance in welding process.
In order to improve the usability of the positioning core shaft 2, as shown in fig. 3, in the present invention, the positioning core shaft 2 includes a fixed seat 22 disposed on the base 1, a centering shaft 20 disposed on the fixed seat 22, and a locking shaft 21 connected to an end of the centering shaft 20, the centering plate 40 and the sleeve 41 are cooperatively connected to the centering shaft 20, the locking member 31 is cooperatively connected to the locking shaft 21, and the pressing plate 301 is disposed at a connection position of the centering shaft 20 and the locking shaft 21. The centering shaft 20 and the locking shaft 21 are connected into an integral structure, so that the structure is high in strength, stable and reliable. Be provided with the external screw thread on the locking axle 21 outer wall, seted up in retaining member 31 with external screw thread matched with screw hole to realize the threaded connection between retaining member 31 and the locking axle 21, and then be convenient for retaining member 31 to the regulation of the state that compresses tightly of pressing down lid 30, convenient and reliable, easy operation.
In order to improve the fixing effect on the combined parts, in the invention, the locking adjusting mechanism 10 comprises a supporting adjusting part 101 arranged at the end part of the base 1, a pressure plate 102 connected on the supporting adjusting part 101 in a matching way, and a fixing part 103 arranged on the pressure plate 102. In order to save cost, preferably, the adjusting part and the fixing part are supported by bolts, threaded holes matched with the bolts are formed in the pressing plate, the position of the pressing plate is adjusted through the bolts, so that the pressing plate can be abutted to the end part of the part, the end part of the part is fixed through the bolts on the surface of the pressing plate, and the fixing effect is effectively improved.
In order to improve the reliability of the pressure connection between the locker 31 and the pressing cover 30, in the present invention, a sealing washer 5 is disposed between the locker 31 and the pressing cover 30. A seamless connection between the locking element 31 and the pressure cover 30 is ensured by the sealing washer 5 and the occurrence of loosening during the crimping process is avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A welding device for a casing diffuser shell assembly is characterized by comprising a base (1), a positioning mandrel (2) vertically connected to the base (1), a locking adjusting mechanism (10) arranged at the end part of the base (1), an elastic locking mechanism (3) arranged at the end part of the positioning mandrel (2) far away from the base (1), and a positioning mechanism (4) which is arranged between the base (1) and the elastic locking mechanism (3) and is connected to the positioning mandrel (2) in a matched mode; the elastic locking mechanism (3) is arranged opposite to the base (1);
the positioning mechanism (4) comprises a plurality of centering disks (40) which are axially arranged along the positioning mandrel (2) and sleeves (41) which are positioned between the adjacent centering disks (40) and are connected to the positioning mandrel (2) in a matching mode.
2. A welding device for a casing diffuser housing assembly according to claim 1, characterized in that said elastic locking means (3) comprise a hold-down cover (30) and a locking member (31) arranged at the end of said positioning spindle (2) and an elastic member (32) located between said hold-down cover (30) and said locking member (31).
3. A welding device for a casing diffuser housing assembly according to claim 2, characterized in that said hold-down cover (30) comprises a hold-down plate (301) fittingly connected to the end of said positioning mandrel (2) and a limit plate (302) connected to said hold-down plate (301), said elastic element (32) being located between said hold-down plate (301) and said locking element (31).
4. The welding device for the diffuser housing assembly of the casing according to claim 3, wherein the limiting plate (302) is provided with a limiting groove (303), and the limiting groove (303) is located on an end surface of the limiting plate (302) facing the base (1).
5. A welding device for a casing diffuser housing assembly according to claim 4, characterized in that the positioning mandrel (2) comprises a fixed seat (22) arranged on the base (1), a centering shaft (20) arranged on the fixed seat (22) and a locking shaft (21) connected to the end of the centering shaft (20), the centering disc (40) and the sleeve (41) are connected on the centering shaft (20) in a matching way, the locking member (31) is connected on the locking shaft (21) in a matching way, and the pressing plate (301) is arranged at the connection position of the centering shaft (20) and the locking shaft (21).
6. A welding device for a casing diffuser housing assembly according to any of claims 2 to 5, characterized in that the locking shaft (21) is provided with an external thread on its outer wall, and the locking member (31) is provided with a threaded hole matching with the external thread.
7. A welding device for a casing diffuser housing assembly according to claim 1, characterized in that said locking adjustment mechanism (10) comprises a supporting adjustment member (101) provided at the end of said base (1), a pressure plate (102) fittingly connected to said supporting adjustment member (101), and a fixing member (103) provided on said pressure plate (102).
8. A welding device for a casing diffuser housing assembly according to claim 6, characterized in that said sleeve (41) is pressed onto said centering shaft (20) by means of screws.
9. A welding device for a casing diffuser housing assembly according to claim 6, characterized in that said sleeve (41) has two ends respectively abutting against the surface of the adjacent centering disc (40).
10. A welding device for a casing diffuser housing assembly according to claim 8, characterized in that a sealing gasket (5) is provided between said locking member (31) and said hold-down cover (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910893620.5A CN110757054B (en) | 2019-09-20 | 2019-09-20 | Welding device for casing diffuser shell assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910893620.5A CN110757054B (en) | 2019-09-20 | 2019-09-20 | Welding device for casing diffuser shell assembly |
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| Publication Number | Publication Date |
|---|---|
| CN110757054A true CN110757054A (en) | 2020-02-07 |
| CN110757054B CN110757054B (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910893620.5A Active CN110757054B (en) | 2019-09-20 | 2019-09-20 | Welding device for casing diffuser shell assembly |
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| CN207656171U (en) * | 2017-12-27 | 2018-07-27 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | A kind of welder of ring laser frequency stabilization component |
| CN108637584A (en) * | 2018-07-27 | 2018-10-12 | 刘方圆 | A kind of flange welding automatic centering fixture |
| CN108907603A (en) * | 2018-09-30 | 2018-11-30 | 济南万象轩智能科技有限公司 | Nuclear piping mouth of pipe weld mold |
| CN109454394A (en) * | 2018-12-25 | 2019-03-12 | 上海诺地乐通用设备制造有限公司 | A kind of roundness control device and method of axial flow blower cylinder |
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2019
- 2019-09-20 CN CN201910893620.5A patent/CN110757054B/en active Active
Patent Citations (16)
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| DE29821499U1 (en) * | 1998-09-23 | 1999-04-08 | Kalberg, Friedel Paul, 22885 Barsbüttel | Device for closing a pipe end or shaped part for the purpose of forming a weld seam in the production of a welded connection with this pipe end or shaped part and arrangement using the device |
| US6629808B1 (en) * | 2000-10-31 | 2003-10-07 | Caterpillar Inc | Expandable mounting pin arrangement |
| CN104344208A (en) * | 2013-06-09 | 2015-02-11 | 嘉兴职业技术学院 | Biogas storage device with gas storage bags |
| CN203679581U (en) * | 2013-11-30 | 2014-07-02 | 江苏宏丰奥凯机电有限公司 | Automatic pressing clamp for heat dissipation disc |
| CN104162759A (en) * | 2014-08-18 | 2014-11-26 | 中航湖南通用航空发动机有限公司 | Cartridge receiver welding method and clamp applied to same |
| CN203992730U (en) * | 2014-09-01 | 2014-12-10 | 徐州汉通电子科技有限公司 | For welding the weldering mould of semi-conductor power module |
| CN204954442U (en) * | 2015-09-02 | 2016-01-13 | 湖北三江航天江北机械工程有限公司 | Round platform cylinder combination thin wall tube -shape part face work anchor clamps |
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| CN207155116U (en) * | 2017-07-14 | 2018-03-30 | 新昌县羽林街道全顺机械厂 | Novel flatting welding tool for support plate connector |
| CN107671469A (en) * | 2017-08-17 | 2018-02-09 | 武汉船用机械有限责任公司 | The welding tooling and method of a kind of gas turbine housing |
| CN207656171U (en) * | 2017-12-27 | 2018-07-27 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | A kind of welder of ring laser frequency stabilization component |
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| CN110757054B (en) | 2022-02-08 |
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