CN112496630A - Spray tube shell welding tool - Google Patents
Spray tube shell welding tool Download PDFInfo
- Publication number
- CN112496630A CN112496630A CN202011302360.9A CN202011302360A CN112496630A CN 112496630 A CN112496630 A CN 112496630A CN 202011302360 A CN202011302360 A CN 202011302360A CN 112496630 A CN112496630 A CN 112496630A
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- China
- Prior art keywords
- central shaft
- supporting
- welding tool
- shell welding
- central
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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
-
- 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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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The application discloses a spray pipe shell welding tool in the technical field of machining equipment, which comprises a machine tool, a limiting mechanism and a supporting mechanism, wherein the limiting mechanism comprises a central shaft, the central shaft is sequentially sleeved with a plurality of supporting rings which are respectively matched with a connecting section and a heat insulation section from left to right, a guide pipe is sleeved between the adjacent supporting rings, the central shaft is further in threaded connection with a locking nut, and a check ring is further sleeved between the locking nut and the leftmost supporting ring; the supporting mechanism comprises a central support and a stabilizing support, the central support comprises a semicircular supporting block, the stabilizing support comprises a square block, the top of the square block is provided with an inclined plane, and the inclined plane is also provided with an arc-shaped groove. This application is through making the axis of linkage segment and adiabatic section align with the axis of central axle, then locks linkage segment and adiabatic section through lock nut and retaining ring, guarantees spray tube welding quality and improvement welding efficiency.
Description
Technical Field
The invention relates to the technical field of machining equipment, in particular to a nozzle shell welding tool.
Background
In an aviation engine, a jet pipe shell is a key part of a solid rocket, is positioned at the tail part of the rocket, is an energy conversion device of the solid rocket, and consists of a circular pipe, an inverted cone-shaped connecting section and a horn-shaped heat insulation section, and an annular turned edge is welded on one side of the heat insulation section.
Due to the large volume of the adiabatic block and the limitation of the machining conditions of the machine tool, which is a common machining apparatus including a chuck, a frame, and a thimble, the cylinder and the coupling block are integrally machined, and the adiabatic block is separately machined, so that it is necessary to weld the coupling block and the adiabatic block together. However, since all the components are made of carbon quenched and tempered steel, the welding device has high strength and sufficient toughness, the hardenability is good, but the welding performance is poor, the structure of the spray pipe is complex, the reference is difficult to find during welding, and the welding quality of the spray pipe cannot be guaranteed.
Disclosure of Invention
The invention aims to provide a spray pipe shell welding tool to achieve the purposes of positioning and fixing a spray pipe shell and improving the welding quality and efficiency.
In order to achieve the purpose, the invention provides the following technical scheme: a spray pipe shell welding tool comprises a machine tool, a limiting mechanism and a supporting mechanism, wherein the limiting mechanism comprises a central shaft, the central shaft is sequentially sleeved with a plurality of supporting rings which are respectively matched with a connecting section and a heat insulation section from left to right, a guide pipe is sleeved between every two adjacent supporting rings, the central shaft is further in threaded connection with a locking nut, and a retainer ring is further sleeved between the locking nut and the leftmost supporting ring; the supporting mechanism comprises a central support and a stabilizing support, the central support comprises a semicircular supporting block, the stabilizing support comprises a square block, the top of the square block is provided with an inclined plane, and the inclined plane is also provided with an arc-shaped groove.
The working principle of the invention is as follows: the scheme is used for clamping one end of the central shaft and a chuck of the machine tool, sleeving the support rings and the guide pipes on the central shaft in sequence, enabling the adjacent support rings and the guide pipes to be close to each other, placing the square block below the central shaft and enabling the axis of the square block to be aligned with the axis of the central shaft. The heat insulation section penetrates through the central shaft and is hung over the square block, due to the limiting of the rightmost support ring, the heat insulation section can penetrate through the central shaft only when the axis of the heat insulation section is parallel to the axis of the central shaft, so that the heat insulation section is positioned, after the heat insulation section penetrates through the central shaft, the support ring on the right side supports the side wall inside the heat insulation section, the inclined surface of the square block is abutted to the inclined surface of the heat insulation section, the turning edge of the heat insulation section is clamped into the arc-shaped groove, and the square block further supports the heat insulation section;
the supporting shoe is placed in the below of center pin in the same way, makes the axis of supporting shoe and the axis of center pin align, passes the center pin with the linkage segment hoist and mount, because the spacing of left side support ring, only when the axis of linkage segment and the axis of center pin are parallel, the center pin just can be passed to the linkage segment to fix a position the linkage segment, after the linkage segment passed the center pin, left supporting ring supported the inside lateral wall of linkage segment, and the supporting shoe further supported the linkage segment. After the connection section and the heat insulation section are hoisted, the welding positions of the connection section and the heat insulation section are contacted with each other, the check ring is sleeved in the central shaft, and the connection section and the heat insulation section are locked by the locking nut, so that the connection section and the heat insulation section can be welded.
The invention has the beneficial effects that: this application is through cup jointing a plurality of support rings at the center pin, and it is spacing to linkage segment and adiabatic section, makes the axis of linkage segment and adiabatic section and the axis of center pin align, then locks linkage segment and adiabatic section through lock nut and retaining ring, can find the benchmark when welding, guarantees spray tube welding quality and improvement welding efficiency.
Furthermore, the support ring is provided with a plurality of through holes at even intervals along the circumferential direction. The through holes are convenient to hoist the support ring, so that the support ring is convenient to mount on the central shaft.
Furthermore, the supporting block and the square block are both connected with the rack in a horizontal sliding mode. When the connecting section and the adiabatic section pass through the central shaft, the connecting section is supported by the supporting block, the adiabatic section is supported by the square block, and the welding parts of the connecting section and the adiabatic section are contacted and aligned by pushing the supporting block to slide toward the square block.
Furthermore, the side wall of the supporting block is symmetrically and rotatably connected with a rolling bearing. The connecting section can rotate between the rolling bearings on two sides during welding, so that the connecting section and the heat insulation section are welded more flexibly.
Further, the central shaft comprises a plurality of stepped sections from left to right, and the heights of the stepped sections gradually increase from left to right. The purpose of this arrangement is to divide the entire central shaft into a plurality of sections, facilitating the mounting of the corresponding support rings.
Furthermore, a center hole is formed in one side, close to the locking nut, of the center shaft. The thimble of lathe can push into in the centre bore, makes the center pin more steady.
Furthermore, the side wall of the locking nut is provided with a plurality of staggered convex parts. The plurality of staggered convex parts can enable the force application point to be formed when the locking nut is screwed down, and the locking nut is convenient to screw.
Further, the inner wall of the arc-shaped groove is provided with a rubber pad. The rubber pad can play wear-resisting and skid-proof effect.
Drawings
FIG. 1 is a front view of a nozzle casing;
FIG. 2 is a front view of the connection section of FIG. 1;
FIG. 3 is a front view of the insulated section of FIG. 1;
fig. 4 is a schematic structural diagram of a nozzle shell welding tool of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the heat insulation device comprises a connecting section 1, a heat insulation section 2, a turned edge 3, a welding seam 4, a boss 5, a square block 6, a supporting block 7, a rack 8, a thimble 9, a central shaft 10, a locking nut 11, a retainer ring 12, a guide pipe 13, a supporting ring 14 and a chuck 15.
In the following statements, all the directional terms such as "left", "right", "upper", "lower", etc. are based on the directions shown in the drawings, and in practice, the corresponding structures do not affect the implementation of the schemes under the condition that the relative positions are kept unchanged by the same directional changes based on the directions.
Example (b): as shown in fig. 1 to 3, the nozzle shell is composed of a circular tube, an inverted conical connecting section 1 and a horn-shaped heat insulation section 2, wherein a circle of boss 5 is arranged on the periphery of the connecting section 1, and a turned edge 3 is arranged on the periphery of the heat insulation section 2.
As shown in fig. 4, a nozzle shell welding tool comprises a machine tool, a limiting mechanism and a supporting mechanism, wherein the machine tool comprises a frame 8, a thimble 9 and a chuck 15, the limiting mechanism comprises a central shaft 10, the central shaft 10 comprises 5 stepped sections from left to right, and the heights of the stepped sections gradually increase from left to right; the right end of the central shaft 10 is clamped with a chuck 15 of a machine tool, the central shaft 10 is sequentially sleeved with 4 support rings 14 from left to right, a guide pipe 13 is sleeved between the adjacent support rings 14 of the central shaft 10, the central shaft 10 is further in threaded connection with a locking nut 11, and a check ring 12 is further sleeved between the locking nut 11 and the leftmost support ring 14 of the central shaft 10; the supporting mechanism comprises a central support and a stabilizing support, the central support comprises a semicircular supporting block 7, the stabilizing support comprises a square block 6, the top of the square block 6 is provided with an inclined plane, and the lower end of the inclined plane is also provided with an arc-shaped groove.
One end of a central shaft 10 and a chuck 15 of a machine tool are clamped, support rings 14 and guide pipes 13 are sleeved on the central shaft 10 in sequence, adjacent support rings 14 and guide pipes 13 are close to each other, a square block 6 is placed below the central shaft 10, and the axis of the square block 6 is aligned with the axis of the central shaft 10. The heat insulation section 2 penetrates through the central shaft 10 and is hung over the square block 6, due to the limiting of the rightmost two support rings 14, only when the axis of the heat insulation section 2 is parallel to the axis of the central shaft 10, the heat insulation section 2 can penetrate through the central shaft 10 so as to be convenient for positioning the heat insulation section 2, after the heat insulation section 2 penetrates through the central shaft 10, the two support rings 14 on the right side support the side wall inside the heat insulation section 2, the inclined surface of the square block 6 is abutted to the inclined surface of the heat insulation section 2, the turning edge 3 of the heat insulation section 2 is clamped into the arc-shaped groove, and the square block 6 further supports the heat insulation section 2;
in the same way, the supporting block 7 is placed below the central shaft 10, the axis of the supporting block 7 is aligned with the axis of the central shaft 10, the connecting section 1 is hoisted to penetrate through the central shaft 10, due to the limitation of the left supporting ring 14, only when the axis of the connecting section 1 is parallel to the axis of the central shaft 10, the connecting section 1 can penetrate through the central shaft 10, so that the connecting section 1 is positioned, after the connecting section 1 penetrates through the central shaft 10, the two supporting rings 14 on the left side support the side wall inside the connecting section 1, and the supporting block 7 further supports the connecting section 1. After the connection section 1 and the heat insulation section 2 are hoisted, the welding seams 4 of the connection section 1 and the heat insulation section 2 are contacted with each other, the check ring 12 is sleeved in the central shaft 10, the connection section 1 and the heat insulation section 2 are locked by the locking nut 11, the thimble 9 is abutted against the left end of the central shaft 10, and then welding can be carried out.
Preferably, the side wall of the supporting block 7 is symmetrically and rotatably connected with a rolling bearing. The connecting section 1 can rotate between the rolling bearings on two sides during welding, so that the connecting section 1 and the heat insulation section 2 can be welded more flexibly.
Preferably, the support ring 14 has a plurality of through holes uniformly spaced along the circumferential direction. The through holes are arranged to facilitate the hoisting of the support ring 14, so that the support ring 14 can be conveniently mounted on the central shaft 10.
It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the structure of the invention, and these should be construed as the scope of the invention, which will not affect the effect of the invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (8)
1. The utility model provides a spray tube shell welding frock which characterized in that: the heat insulation device comprises a machine tool, a limiting mechanism and a supporting mechanism, wherein the limiting mechanism comprises a central shaft, the central shaft is sequentially sleeved with a plurality of supporting rings which are respectively matched with a connecting section and a heat insulation section from left to right, a guide pipe is sleeved between the adjacent supporting rings of the central shaft, the central shaft is further in threaded connection with a locking nut, and a check ring is further sleeved between the locking nut and the leftmost supporting ring of the central shaft; the supporting mechanism comprises a central support and a stabilizing support, the central support comprises a semicircular supporting block, the stabilizing support comprises a square block, the top of the square block is provided with an inclined plane, and the inclined plane is also provided with an arc-shaped groove.
2. The nozzle shell welding tool according to claim 1, characterized in that: the support ring is provided with a plurality of through holes at even intervals along the circumferential direction.
3. The nozzle shell welding tool according to claim 2, characterized in that: the supporting block and the square block are both connected with the rack in a horizontal sliding mode.
4. The nozzle shell welding tool of claim 3, wherein: and the side wall of the supporting block is symmetrically and rotatably connected with rolling bearings.
5. The nozzle shell welding tool of claim 4, wherein: the central shaft comprises a plurality of stepped sections from left to right, and the heights of the stepped sections gradually increase from left to right.
6. The nozzle shell welding tool of claim 5, wherein: and a central hole is formed in one side of the central shaft, which is close to the locking nut.
7. The nozzle shell welding tool according to any one of claims 1 to 6, characterized in that: the lateral wall of lock nut is equipped with a plurality of crisscross bellyings.
8. The nozzle shell welding tool of claim 7, wherein: and a rubber pad is arranged on the inner wall of the arc-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011302360.9A CN112496630A (en) | 2020-11-19 | 2020-11-19 | Spray tube shell welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011302360.9A CN112496630A (en) | 2020-11-19 | 2020-11-19 | Spray tube shell welding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112496630A true CN112496630A (en) | 2021-03-16 |
Family
ID=74958739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011302360.9A Pending CN112496630A (en) | 2020-11-19 | 2020-11-19 | Spray tube shell welding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112496630A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7617963B1 (en) * | 2008-08-08 | 2009-11-17 | Ge-Hitachi Nuclear Energy Americas Llc | Apparatus and method for repairing welded elbow joints in a core spray line |
| CN103252619A (en) * | 2013-05-02 | 2013-08-21 | 湖北三江航天江北机械工程有限公司 | Combined milling method of shell body of bearing ball socket swing nozzle and fixture thereof |
| CN103978340A (en) * | 2014-05-12 | 2014-08-13 | 西北工业大学 | Girth welding device and girth welding method for aircraft pipeline component |
| CN205074541U (en) * | 2015-09-14 | 2016-03-09 | 郭浩宇 | Turning lathe |
| CN106112035A (en) * | 2016-06-27 | 2016-11-16 | 湖北三江航天万峰科技发展有限公司 | The processing unit (plant) of a kind of cone thin-wall case and processing method |
| CN205914923U (en) * | 2016-07-08 | 2017-02-01 | 常州大千科技股份有限公司 | An awl section of thick bamboo is with welding frock |
| CN106425265A (en) * | 2016-10-20 | 2017-02-22 | 成都久欣时代科技有限公司 | Spray pipe welding fixture |
| CN206084483U (en) * | 2016-09-30 | 2017-04-12 | 东莞市四维复合材料制品有限公司 | Clamping device is used in profile processing in combined material conical part |
| EP3165310A1 (en) * | 2015-11-06 | 2017-05-10 | Ott-Jakob Spanntechnik GmbH | Clamping device |
| CN206305699U (en) * | 2016-09-27 | 2017-07-07 | 莆田学院 | A kind of thin cylinder fixture and the laser melting coating machine for repairing thin cylinder crack |
| CN207139186U (en) * | 2016-10-20 | 2018-03-27 | 成都久欣时代科技有限公司 | A kind of jet pipe welding tool setup |
| CN107855721A (en) * | 2017-09-20 | 2018-03-30 | 上海市安装工程集团有限公司 | The prefabricated platform and method for prefabricating of jacket pipe |
| CN110465976A (en) * | 2019-09-11 | 2019-11-19 | 广州飞创嘉佑科技有限公司 | A kind of unmanned plane of the water sampling with cutter |
| CN110883540A (en) * | 2019-11-27 | 2020-03-17 | 西安长峰机电研究所 | Welding assembly process for thin-wall spray pipe shell of engine |
| CN211759564U (en) * | 2020-01-04 | 2020-10-27 | 陈伟珍 | Petrochemical pipeline welding table |
-
2020
- 2020-11-19 CN CN202011302360.9A patent/CN112496630A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7617963B1 (en) * | 2008-08-08 | 2009-11-17 | Ge-Hitachi Nuclear Energy Americas Llc | Apparatus and method for repairing welded elbow joints in a core spray line |
| CN103252619A (en) * | 2013-05-02 | 2013-08-21 | 湖北三江航天江北机械工程有限公司 | Combined milling method of shell body of bearing ball socket swing nozzle and fixture thereof |
| CN103978340A (en) * | 2014-05-12 | 2014-08-13 | 西北工业大学 | Girth welding device and girth welding method for aircraft pipeline component |
| CN205074541U (en) * | 2015-09-14 | 2016-03-09 | 郭浩宇 | Turning lathe |
| EP3165310A1 (en) * | 2015-11-06 | 2017-05-10 | Ott-Jakob Spanntechnik GmbH | Clamping device |
| CN106112035A (en) * | 2016-06-27 | 2016-11-16 | 湖北三江航天万峰科技发展有限公司 | The processing unit (plant) of a kind of cone thin-wall case and processing method |
| CN205914923U (en) * | 2016-07-08 | 2017-02-01 | 常州大千科技股份有限公司 | An awl section of thick bamboo is with welding frock |
| CN206305699U (en) * | 2016-09-27 | 2017-07-07 | 莆田学院 | A kind of thin cylinder fixture and the laser melting coating machine for repairing thin cylinder crack |
| CN206084483U (en) * | 2016-09-30 | 2017-04-12 | 东莞市四维复合材料制品有限公司 | Clamping device is used in profile processing in combined material conical part |
| CN106425265A (en) * | 2016-10-20 | 2017-02-22 | 成都久欣时代科技有限公司 | Spray pipe welding fixture |
| CN207139186U (en) * | 2016-10-20 | 2018-03-27 | 成都久欣时代科技有限公司 | A kind of jet pipe welding tool setup |
| CN107855721A (en) * | 2017-09-20 | 2018-03-30 | 上海市安装工程集团有限公司 | The prefabricated platform and method for prefabricating of jacket pipe |
| CN110465976A (en) * | 2019-09-11 | 2019-11-19 | 广州飞创嘉佑科技有限公司 | A kind of unmanned plane of the water sampling with cutter |
| CN110883540A (en) * | 2019-11-27 | 2020-03-17 | 西安长峰机电研究所 | Welding assembly process for thin-wall spray pipe shell of engine |
| CN211759564U (en) * | 2020-01-04 | 2020-10-27 | 陈伟珍 | Petrochemical pipeline welding table |
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