CN113770433A - Auxiliary welding device for umbrella-shaped cylinder - Google Patents
Auxiliary welding device for umbrella-shaped cylinder Download PDFInfo
- Publication number
- CN113770433A CN113770433A CN202111186770.6A CN202111186770A CN113770433A CN 113770433 A CN113770433 A CN 113770433A CN 202111186770 A CN202111186770 A CN 202111186770A CN 113770433 A CN113770433 A CN 113770433A
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- CN
- China
- Prior art keywords
- base
- welding device
- umbrella
- supporting block
- backing plate
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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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
-
- 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
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
Abstract
The invention provides an auxiliary welding device for an umbrella-shaped cylinder, which comprises a mandrel, a welding rod and a welding rod, wherein the mandrel is arranged on the mandrel; the mandrel is sleeved with the shaft sleeve, the base is coaxially fixed on an outer ring of the shaft sleeve, the periphery of the outer coaxial ring of the base is fixedly provided with the backing plate, and the diameter of the ring formed by the backing plate is larger than that of the base. The invention integrates the milling and welding functions into a whole, and is realized only by replacing the base plate, so that the replacement is simple; simple structure, less module quantity and low weight. Compared with the traditional multilayer welding device, the welding device is simple to assemble, stable in triangular structure and high in rigidity and strength; the propping-out action is consistent, and the roundness of the workpiece assembly can be better ensured compared with the traditional device.
Description
Technical Field
The invention relates to an auxiliary welding device for an umbrella-shaped cylinder.
Background
In the processing field, the part to be welded needs to be milled before welding so as to achieve the characteristics of flatness and small gap of the workpiece to the gap, and the accuracy and form and position accuracy of the assembled workpiece and device, the rigidity and strength of the inner support device and the like have great influence on the forming quality of the welding seam. Cylindrical workpieces, particularly large-size workpieces, are mostly formed by bending and roll bending, the forming methods are rough forming, and the precision and the form and position precision of the workpieces cannot be well guaranteed. The use of the inner supporting device can calibrate the precision and the form and position precision of the workpiece so as to facilitate the milling and welding positioning of the workpiece, and can transfer the heat brought by high-heat input welding such as fusion welding and the like, thereby effectively reducing the thermal deformation of a welding seam, and ensuring the reliability of the inner supporting device to be crucial.
Different devices are often used for milling and welding cylindrical workpieces at the present stage, the two devices are complex to disassemble and assemble, the inner support device for welding is mostly of a multi-layer ring-shaped assembly structure, a plurality of support mechanisms are mainly used for radially supporting a circle along the cylindrical shape, each support mechanism is independently supported through the form of a lemon thread and the like, the devices are complex to assemble, the support mechanisms are in sequence, and the problem that the roundness of the assembled workpieces is poor due to inconsistent actions is solved.
Disclosure of Invention
In order to solve the technical problems, the invention provides the auxiliary welding device for the umbrella-shaped cylinder, which can better realize the shape and position precision control of the workpiece and has the advantages of simple structure, convenience in assembly, light weight, good rigidity, high strength, high reliability and the like.
The invention is realized by the following technical scheme.
The invention provides an auxiliary welding device for an umbrella-shaped cylinder, which comprises a mandrel, a welding rod and a welding rod, wherein the mandrel is arranged on the mandrel; the mandrel is sleeved with the shaft sleeve, the base is coaxially fixed on an outer ring of the shaft sleeve, the periphery of the outer coaxial ring of the base is fixedly provided with the backing plate, and the diameter of the ring formed by the backing plate is larger than that of the base.
The backing plate is fixed through many spokes, and on the axial projection of backing plate, the spoke perpendicular to backing plate axial just along circumference equipartition.
The base plate is composed of a plurality of sections, each section is correspondingly fixed by two spokes, and every two spokes are overlapped on the axial projection of the base plate.
And a milling cutter groove and/or a welding plate are/is arranged on the base plate.
The base plate is non-rigidly fixed to the spoke through the first supporting block, the second supporting block and the third supporting block, and a gap is reserved between the first supporting block and the third supporting block.
And a wedge-shaped block is arranged in a gap between the first supporting block and the third supporting block.
The end part of the mandrel is provided with threads in opposite directions, and the shaft sleeve and the base are divided into two groups which are respectively fixed on the two threads.
The spoke is rotatably fixed on the base through a ball head bolt.
And the thread junctions in opposite directions are positioned at the center line between the two groups of shaft sleeves and the base.
The invention has the beneficial effects that: the functions of milling and welding are integrated, and the replacement is simple only by replacing the base plate; simple structure, less module quantity and low weight. Compared with the traditional multilayer welding device, the welding device is simple to assemble, stable in triangular structure and high in rigidity and strength; the propping-out action is consistent, and the roundness of the workpiece assembly can be better ensured compared with the traditional device.
Drawings
FIG. 1 is a schematic diagram of a positive triaxial test structure of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
fig. 4 is a schematic view of the spoke structure of fig. 1.
In the figure: 1-mandrel, 2-shaft sleeve, 3-base, 4-base fastening screw, 5-ball head bolt, 6-spoke, 7-first supporting block, 8-second supporting block, 9-third supporting block, 10-cylindrical bolt, 11-backing plate, 12-wedge block, 13-wedge block fastening screw and 14-positioning pin.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
Example 1
An auxiliary welding device for umbrella-shaped cylinder bodies as shown in fig. 1 to 4 comprises a mandrel 1; the mandrel 1 is sleeved with the shaft sleeve 2, the base 3 is coaxially fixed on the outer ring of the shaft sleeve 2, the base plate 11 is fixed on the outer periphery of the outer coaxial ring of the base 3, and the diameter of the ring formed by the base plate 11 is larger than that of the base 3.
Example 2
Based on embodiment 1, the backing plate 11 is fixed by a plurality of spokes 6, and the spokes 6 are perpendicular to the axial direction of the backing plate 11 and are uniformly distributed along the circumference on the axial projection of the backing plate 11.
Example 3
According to embodiment 1, the backing plate 11 is made up of a plurality of segments, each segment being fixed by two spokes 6, and each two spokes 6 are overlapped in an axial projection of the backing plate 11.
Example 4
Based on embodiment 1, the shim plate 11 is provided with milling flutes and/or welding plates.
Example 5
Based on the embodiment 1, the backing plate 11 is non-rigidly fixed to the spoke 6 through the first support block 7, the second support block 8 and the third support block 9, and a gap is reserved between the first support block 7 and the third support block 9.
Example 6
Based on the embodiment 1, the wedge block 12 is installed at the gap position between the first supporting block 7 and the third supporting block 9.
Example 7
Based on the embodiment 1, the end part of the mandrel 1 is provided with threads in opposite directions, and the shaft sleeve 2 and the base 3 are divided into two groups and are respectively fixed on the two threads.
Example 8
Based on embodiment 1, the spoke 6 is rotatably fixed on the base 3 through the ball head pin 5.
Example 9
Based on embodiment 1, the thread junctions in opposite directions are located at the midline between the two sets of bushings 2 and the base 3.
Example 10
Based on the above embodiment, the method comprises the following steps: the device comprises a mandrel 1, a shaft sleeve 2, a base 3, a base fastening screw 4, a ball head bolt 5, a spoke 6, a first supporting block 7, a second supporting block 8, a third supporting block 9, a cylindrical bolt 10, a backing plate 11, a wedge block 12, a wedge block fastening screw 13 and a positioning pin 14. The mandrel 1 is a reference axis of the device and is overlapped with the axis of the cylinder, the mandrel 1 needs to extend to the outside of a workpiece and is connected with a driving mechanism, threads with opposite processing directions are arranged at the end part of the mandrel 1, the diameter of the threads at the end part of the mandrel 1 is smaller than that of the threads at the inner side, the inner side shaft sleeve 2 is guaranteed not to be influenced by the threads in the opposite direction at the outer side, and the mandrel 1 can be installed in place. The shaft sleeve 2 has two specifications, the outer diameter of the shaft sleeve is consistent, the inner diameter of the shaft sleeve is matched with the spindle 1 to process threads, the shaft sleeve 2 and the base 3 are processed to be matched with the positioning grooves in a concave-convex mode, and axial fixation between the two mechanisms is achieved. The base 3 is divided into a plurality of blocks, concave-convex matching positioning grooves are processed between every two blocks, the base 3 is axially fixed, the base 3 is circumferentially fixed through base fastening screws 4, and the matching is a whole circle. One side of the spoke 6 is fixed on the base 3 through a ball head bolt 5, the other side of the spoke is fixed on a first supporting block 7, a second supporting block 8 and a third supporting block 9 through a cylindrical bolt, and the spoke 6 is fixed and not rigidly fixed at the moment. The first supporting block 7, the second supporting block 8 and the third supporting block 9 are connected with the device through cylindrical bolts 10 and spokes 6, and each supporting block is supported and fixed by a left spoke and a right spoke. A large gap is reserved between the first supporting block 7 and the third supporting block 9 in a matching mode, and a wedge-shaped block 12 can be installed. And small gaps are reserved among the second supporting block 8, the first supporting block 7 and the third supporting block 9, so that the required space for retraction and support is ensured, and the rigidity and the strength of the device are ensured. The backing plate 11 is connected to the support block by locating pins 14. The wedge block 12 is arranged between the first supporting block 7 and the second supporting block 9, a plurality of wedge block mechanisms are arranged on the circumference, and the device is ejected out in the radial direction through a wedge block fastening screw 13 after being supported in place, so that the circumferential clearance is compensated.
Milling and welding integrated functions are mainly realized by replacing the base plate 11, if the base plate 11 is provided with a milling cutter groove, the device can be used for milling, if the base plate 11 is an arc plate, the device can be used for welding, and the purpose of compatible milling and welding processes can be achieved by replacing the base plate 11
The center line of the supporting block coincides with the butt seam of a workpiece, and the shaft sleeve 2, the base 3, the base fastening screw 4, the ball head bolt 5, the spoke 6, the cylindrical bolt 10, the backing plate 11, the wedge block 12, the wedge block fastening screw 13 and the positioning pin 14 are symmetrically arranged.
The mounting sequence is that dabber 1, axle sleeve 2, base 3, base fastening screw 4, spoke 6, bulb bolt 5, first supporting shoe 7, second supporting shoe 8, third supporting shoe 9, cylinder bolt 10, backing plate 11, locating pin 14, wedge 12, wedge fastening screw 13.
One way of use is: the workpiece is externally provided with a rotary driving mechanism which extends out of the mandrel 1, and the device is arranged on the mandrel 1. The mandrel is driven to rotate through an external rotary driving mechanism, a fixed support extends from the base 3 and is connected with the outside of a workpiece, and the base 3 and the shaft sleeve 2 are guaranteed not to rotate along with the rotation of the mandrel. When the mandrel 1 rotates, the bases 3 on the two sides move inwards along the positive and negative threads to drive the spokes 6 to move inwards, and the spokes 6 drive the first supporting block 7, the second supporting block 8 and the third supporting block 9 to support circles upwards due to the fixed length of the spokes 6. After the device rounds the workpiece, the wedge block 12 is installed to compensate the circumferential clearance of the device.
The main operating principle does, turns into radial thrust with power through the rotation of dabber 1, because whole device only has a power supply, the circularity of assurance work piece assembly that so the device can be better, and device simple structure, the assembly degree of difficulty is low, and the device is the triangle structure simultaneously, has stronger rigidity intensity, can satisfy the work piece and expand needs such as circle and friction stir welding.
Claims (9)
1. The utility model provides an auxiliary welding device of umbelliform barrel, includes dabber (1), its characterized in that: the mandrel (1) is sleeved with the shaft sleeve (2), the base (3) is coaxially fixed on the outer ring of the shaft sleeve (2), the base (3) is coaxially fixed with the backing plate (11) on the periphery, and the diameter of a ring formed by the backing plate (11) is larger than that of the base (3).
2. The auxiliary welding device for umbrella-shaped cylinder bodies as claimed in claim 1, wherein: the backing plate (11) is fixed through a plurality of spokes (6), and on the axial projection of the backing plate (11), the spokes (6) are vertical to the axial direction of the backing plate (11) and are uniformly distributed along the circumference.
3. The auxiliary welding device for the umbrella-shaped cylinder body as claimed in claim 2, wherein: the backing plate (11) is composed of a plurality of sections, each section is correspondingly fixed by two spokes (6), and every two spokes (6) are overlapped on the axial projection of the backing plate (11).
4. The auxiliary welding device for umbrella-shaped cylinder bodies as claimed in claim 1, wherein: the base plate (11) is provided with a milling cutter groove and/or a welding plate.
5. The auxiliary welding device for the umbrella-shaped cylinder body as claimed in claim 2, wherein: the base plate (11) is non-rigidly fixed on the spoke (6) through the first supporting block (7), the second supporting block (8) and the third supporting block (9), and a gap is reserved between the first supporting block (7) and the third supporting block (9).
6. The auxiliary welding device for umbrella-shaped cylinder bodies as claimed in claim 5, wherein: and a wedge-shaped block (12) is arranged in a gap between the first supporting block (7) and the third supporting block (9).
7. The auxiliary welding device for umbrella-shaped cylinder bodies as claimed in claim 1, wherein: the end part of the mandrel (1) is provided with threads in opposite directions, and the shaft sleeve (2) and the base (3) are divided into two groups and are respectively fixed on the two threads.
8. The auxiliary welding device for the umbrella-shaped cylinder body as claimed in claim 2, wherein: the spokes (6) are rotatably fixed on the base (3) through ball head bolts (5).
9. The auxiliary welding device for umbrella-shaped cylinder bodies as claimed in claim 7, wherein: and the thread junction in the opposite direction is positioned at the center line between the two groups of shaft sleeves (2) and the base (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111186770.6A CN113770433B (en) | 2021-10-12 | 2021-10-12 | Auxiliary welding device for umbrella-shaped cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111186770.6A CN113770433B (en) | 2021-10-12 | 2021-10-12 | Auxiliary welding device for umbrella-shaped cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113770433A true CN113770433A (en) | 2021-12-10 |
| CN113770433B CN113770433B (en) | 2023-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111186770.6A Active CN113770433B (en) | 2021-10-12 | 2021-10-12 | Auxiliary welding device for umbrella-shaped cylinder |
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| Country | Link |
|---|---|
| CN (1) | CN113770433B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5285947A (en) * | 1992-09-14 | 1994-02-15 | Cogsdill Tool Products, Inc. | Welding fixture |
| US20010015369A1 (en) * | 1999-12-07 | 2001-08-23 | The Boeing Company | Tooling and methods for circumferential friction stir welding |
| CN102873494A (en) * | 2012-09-25 | 2013-01-16 | 内蒙古红岗机械厂 | Umbrella-type inner support clamp for annular welding of elongated cylindrical workpieces |
| CN104139238A (en) * | 2014-07-04 | 2014-11-12 | 上海拓璞数控科技有限公司 | Internal flexible supporting device and supporting method for abutting joint of large-scale cylindrical components |
| CN204684851U (en) * | 2015-04-29 | 2015-10-07 | 上海哈克过滤器有限公司 | Cylindrical air filter inner circle support fixture |
| CN107755955A (en) * | 2017-11-06 | 2018-03-06 | 上海交通大学 | Integral type for component inner support inner support chucking device free of demolition |
| CN110625236A (en) * | 2019-09-23 | 2019-12-31 | 北京卫星制造厂有限公司 | Can dismantle flexible major diameter circumferential weld welding frock fast |
| CN210908789U (en) * | 2019-11-29 | 2020-07-03 | 辽宁顺达机械制造(集团)有限公司 | Barrel shell section centering tool |
-
2021
- 2021-10-12 CN CN202111186770.6A patent/CN113770433B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5285947A (en) * | 1992-09-14 | 1994-02-15 | Cogsdill Tool Products, Inc. | Welding fixture |
| US20010015369A1 (en) * | 1999-12-07 | 2001-08-23 | The Boeing Company | Tooling and methods for circumferential friction stir welding |
| CN102873494A (en) * | 2012-09-25 | 2013-01-16 | 内蒙古红岗机械厂 | Umbrella-type inner support clamp for annular welding of elongated cylindrical workpieces |
| CN104139238A (en) * | 2014-07-04 | 2014-11-12 | 上海拓璞数控科技有限公司 | Internal flexible supporting device and supporting method for abutting joint of large-scale cylindrical components |
| CN204684851U (en) * | 2015-04-29 | 2015-10-07 | 上海哈克过滤器有限公司 | Cylindrical air filter inner circle support fixture |
| CN107755955A (en) * | 2017-11-06 | 2018-03-06 | 上海交通大学 | Integral type for component inner support inner support chucking device free of demolition |
| CN110625236A (en) * | 2019-09-23 | 2019-12-31 | 北京卫星制造厂有限公司 | Can dismantle flexible major diameter circumferential weld welding frock fast |
| CN210908789U (en) * | 2019-11-29 | 2020-07-03 | 辽宁顺达机械制造(集团)有限公司 | Barrel shell section centering tool |
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| Publication number | Publication date |
|---|---|
| CN113770433B (en) | 2023-01-20 |
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