CN106493501A - Pipe fitting welding tool and welding method - Google Patents
Pipe fitting welding tool and welding method Download PDFInfo
- Publication number
- CN106493501A CN106493501A CN201610929866.XA CN201610929866A CN106493501A CN 106493501 A CN106493501 A CN 106493501A CN 201610929866 A CN201610929866 A CN 201610929866A CN 106493501 A CN106493501 A CN 106493501A
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- sheet metal
- metal component
- welding
- alignment pin
- Prior art date
- 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
-
- 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
- B23K37/0533—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 external pipe alignment clamps
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses pipe fitting welding tool, for pipe fitting and the welding of sheet metal component, including tool base plate, also includes that the pipe fitting welding unit that least one set is connected with the tool base plate, the pipe fitting welding unit include：Pipe fitting detent mechanism, for the positioning of the pipe fitting；Pipe fitting rotation-preventing mechanism, for preventing the rotation during pipe fitting welding；Sheet metal component detent mechanism, for the positioning of the sheet metal component；Sheet metal component hold-down mechanism, for compressing the sheet metal component.Beneficial effect of the present invention：Pipe fitting detent mechanism is provided with, for the positioning of the pipe fitting；Pipe fitting rotation-preventing mechanism, for preventing the rotation during pipe fitting welding；Sheet metal component detent mechanism, for the positioning of the sheet metal component；Pipe fitting and sheet metal component, for compressing the sheet metal component, during welding, can be positioned, will not produce relative displacement between pipe fitting and sheet metal component by sheet metal component hold-down mechanism simultaneously, and welding precision is high, while will not also rotate during welding, substantially increases the efficiency of welding.
Description
Technical field
The present invention relates to welding field, and in particular to pipe fitting welding tool and welding method.
Background technology
During weld-end fittings, as pipe fitting is easily rolled or is rotated, during with the welding of sheet metal parts, relative position is susceptible to
Move, welding precision is poor, and during pipe fitting welding, easily produce pipe fitting or sheet metal component welds anti-situation, percent defective is high.
Content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention provides pipe fitting welding tool.
For reaching above-mentioned purpose, the technical solution adopted for the present invention to solve the technical problems is：
Pipe fitting welding tool, for the welding of pipe fitting and sheet metal component, including tool base plate, it is characterised in that also include to
Few one group of pipe fitting welding unit being connected with the tool base plate, the pipe fitting welding unit are included：
Pipe fitting detent mechanism, for the positioning of the pipe fitting；
Pipe fitting rotation-preventing mechanism, for preventing the rotation during pipe fitting welding；
Sheet metal component detent mechanism, for the positioning of the sheet metal component；
Sheet metal component hold-down mechanism, for compressing the sheet metal component.
Further, one end of the pipe fitting is provided with location hole, and the pipe fitting detent mechanism includes and the tool base plate
Locating piece under the pipe fitting of connection, under the pipe fitting, locating piece is used for placing the pipe fitting；The L being fixedly connected with the tool base plate
Type bearing, the pipe fitting positioning pin bearing being connected with the L-type bearing, the pipe fitting being connected with the pipe fitting alignment pin bearing sliding are fixed
Position pin, the pipe fitting alignment pin are coordinated with the location hole.
Further, an end section of the pipe fitting alignment pin is D-shaped, and another end section of the pipe fitting alignment pin is circle
Shape, the pipe fitting positioning pin bearing are provided with the through hole for passing through the pipe fitting alignment pin, and the pipe fitting positioning pin bearing connects
Screw is connected to, the end face of the screw is connected with the planar slide of D-shaped one end of the pipe fitting alignment pin.
Further, the side of the pipe fitting is provided with a notch, and the pipe fitting rotation-preventing mechanism includes solid with the L-type bearing
The counnter attack mechanism support of fixed connection, and the counnter attack mechanism slide block that be slidably connected vertical with the counnter attack mechanism support, the counnter attack
Mechanism's slide block is matched with the notch.
Further, the sheet metal component detent mechanism includes the support block being fixedly connected with the L-type bearing, the support
The section of block is U-shaped, and in the U-shaped opening, the support block is provided with sheet metal component support column, the panel beating to the pipe fitting
Part is positioned on the sheet metal component support column, and the sheet metal component positions pin connection with the sheet metal component support column by sheet metal component.
Further, the sheet metal component hold-down mechanism include with the support block rotate the cam mechanism that is connected and with described
The sheet metal component of cam mechanism connection presses attached piece, and the cam mechanism is included being pressed with the sheet metal component and is provided with cam between attached piece, institute
State cam and be connected with rotating bar, the rotating bar drives the cam rotation.
Further, the sheet metal component is provided with counnter attack groove, and the support base is provided with that sheet metal component is anti-anti-markets, institute
State sheet metal component to prevent anti-marketing and the counnter attack groove fit.
Further, also include that material removing mechanism, the material removing mechanism are used for the lifting of the pipe fitting.
Using the beneficial effect of above-mentioned technical proposal it is：Pipe fitting detent mechanism is provided with, for the positioning of the pipe fitting；Pipe fitting
Rotation-preventing mechanism, for preventing the rotation during pipe fitting welding；Sheet metal component detent mechanism, for the positioning of the sheet metal component；Metal plate
Golden part hold-down mechanism, for compressing the sheet metal component, during welding, can be by pipe fitting and sheet metal component while positioning, pipe fitting and panel beating
Relative displacement will not be produced between part, and welding precision is high, while will not also rotate during welding, substantially increases the effect of welding
Rate.
The invention also discloses a kind of pipe fitting welding method, it is characterised in that comprise the following steps：
Step one：Pipe fitting is placed under pipe fitting in locating piece；
Step 2：The notch of pipe fitting is turned to the parallel position of counnter attack mechanism slide block；
Step 3：Sheet metal component is put into, is mated anti-market anti-with sheet metal component of sheet metal component, is inserted sheet metal component alignment pin；
Step 4：Pipe fitting alignment pin is inserted in location hole；
Step 5：Rotating bar is rotated, sheet metal component is pressed attached piece to push down sheet metal component by band moving cam；
Step 6：Mobile counnter attack mechanism slide block, makes notch with the slide block cooperation of counnter attack mechanism；
Step 7：Welded.
In other embodiments of the present invention, also include：
Step 8：Pipe fitting alignment pin is pulled away from pipe fitting by de- material, and rotating rotating bar band moving cam makes sheet metal component press attached piece of pine
Open, by counnter attack mechanism slide block away from pipe fitting, using material removing mechanism by one segment distance of pipe fitting jacking.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of axonometric drawing of the present invention.
Fig. 2 is the structural representation of top view of the present invention.
Fig. 3 is the structural representation of front view of the present invention.
Fig. 4 is the structural representation of right view of the present invention.
The title of the corresponding component in figure represented by digital and letter：
1- tool base plates；The first reference blocks of 2-；The second reference blocks of 3-；Locating piece under 4- pipe fittings；5- counnter attacks mechanism slide block；6-
Sheet metal component presses attached piece；7- rotating bars；8- cams；9- sheet metal components；10- pipe fitting alignment pins；11-L type bearings；12- screws；13- is managed
Part；14- sheet metal components support column；15- counnter attack mechanism supports；16- sheet metal components are anti-to be anti-marketed；17- sheet metal component alignment pins；18- pipe fittings
Positioning pin bearing；20- support blocks；21- material removing mechanisms.
Specific embodiment
With reference to specific embodiment, present disclosure is described in further detail：
In order to reach the purpose of the present invention, as illustrated, in one embodiment of the present invention being：
Pipe fitting welding tool, for the welding of pipe fitting 13 and sheet metal component 9, including tool base plate 1, also include least one set with
The pipe fitting welding unit of the connection of tool base plate 1, pipe fitting welding unit include：Pipe fitting detent mechanism, for the positioning of pipe fitting 13；Pipe
Part rotation-preventing mechanism, for preventing rotation when pipe fitting 13 is welded；Sheet metal component detent mechanism, for the positioning of sheet metal component 9；Sheet metal component
Hold-down mechanism, for compressing sheet metal component 9, one end of pipe fitting 13 is provided with location hole, and pipe fitting detent mechanism includes connecting with tool base plate 1
Locating piece 4 under the pipe fitting for connecing, under pipe fitting, locating piece 4 is positioned by the first reference block 2 and the second reference block 3, fixed under pipe fitting
Position block 4 is used for placing pipe fitting 13；The L-type bearing 11 being fixedly connected with tool base plate 1, the pipe fitting positioning being connected with L-type bearing 11
Pin bearing 18, positions the pipe fitting alignment pin 10 that pin bearing 18 is slidably connected with pipe fitting, and pipe fitting alignment pin 10 is coordinated with location hole, pipe
One end section of part alignment pin 17 is D-shaped, and another end section of pipe fitting alignment pin 17 is circle, improves the repeatable accuracy of positioning,
The pipe fitting positioning pin bearing 18 is provided with the through hole for passing through the pipe fitting alignment pin 17, and the pipe fitting positions pin bearing 18
Screw 12 is connected with, the end face of the screw 12 is connected with the planar slide of D-shaped one end of the pipe fitting alignment pin 17, the D-shaped
Setting can prevent pipe fitting alignment pin 17 from rotating, positioning precision is higher, and the side of pipe fitting 13 is provided with a notch, the anti-favourable turn of pipe fitting
Structure includes the counnter attack mechanism support 15 being fixedly connected with L-type bearing 11, vertical with counnter attack mechanism support 15 and be slidably connected anti-
Anti- mechanism's slide block 5, counnter attack mechanism slide block 5 are matched with notch, and sheet metal component detent mechanism includes being fixedly connected with L-type bearing 11
Support block 20, the section of support block 20 is U-shaped, and in U-shaped opening, support block 20 is provided with sheet metal component support column to pipe fitting 13
14, sheet metal component 9 is positioned on sheet metal component support column 14, and sheet metal component 9 is connected by sheet metal component alignment pin 17 with sheet metal component support column 14
Connect, sheet metal component hold-down mechanism includes that the sheet metal component pressure for rotating the cam mechanism being connected with support block 20 and being connected with cam mechanism is attached
Block 6, cam mechanism are included being pressed with sheet metal component and are provided with cam 8 between attached piece 6, and cam 8 is connected with rotating bar 7, and rotating bar 7 drives convex
Wheel 8 is rotated.
Using the beneficial effect of above-mentioned technical proposal it is：Pipe fitting detent mechanism is provided with, for the positioning of pipe fitting；Pipe fitting anti-rotation
Mechanism, for preventing rotation during pipe fitting welding；Sheet metal component detent mechanism, for the positioning of sheet metal component；Sheet metal component hold-down mechanism,
For compressing sheet metal component, during welding, pipe fitting and sheet metal component can be positioned simultaneously, will not be produced between pipe fitting and sheet metal component relative
Displacement, welding precision is high, while will not also rotate during welding, substantially increases the efficiency of welding, and sheet metal component hold-down mechanism makes
With cam mechanism, thrust is bigger, more stable；Compact structure, welding space are bigger, beneficial to welding gun action.
In other embodiments of the present invention, sheet metal component 9 is provided with counnter attack groove, and support base is provided with panel beating
Part is anti-to anti-market 16, and sheet metal component is anti-to anti-market 16 with counnter attack groove fit.Using the beneficial effect of above-mentioned technical proposal it is：Can prevent
The misplaced and positive and negative of sheet metal component 180 degree is misplaced, simple effective, has prevented the generation of defective products.
In other embodiments of the present invention, also include that material removing mechanism 21, material removing mechanism 21 are used for the liter of pipe fitting 13
Drop.Using the beneficial effect of above-mentioned technical proposal it is：Can to welding after product carry out quick de- material, product can be quickly removed
Product.
The invention also discloses a kind of pipe fitting welding method, it is characterised in that comprise the following steps：
Step one：Pipe fitting is placed under pipe fitting in locating piece；
Step 2：The notch of pipe fitting is turned to the parallel position of counnter attack mechanism slide block；
Step 3：Sheet metal component is put into, is mated anti-market anti-with sheet metal component of sheet metal component, is inserted sheet metal component alignment pin；
Step 4：Pipe fitting alignment pin is inserted in location hole；
Step 5：Rotating bar is rotated, sheet metal component is pressed attached piece to push down sheet metal component by band moving cam；
Step 6：Mobile counnter attack mechanism slide block, makes notch with the slide block cooperation of counnter attack mechanism；
Step 7：Welded.
In other embodiments of the present invention, also include：
Step 8：Pipe fitting alignment pin is pulled away from pipe fitting by de- material, and rotating rotating bar band moving cam makes sheet metal component press attached piece of pine
Open, by counnter attack mechanism slide block away from pipe fitting, using material removing mechanism by one segment distance of pipe fitting jacking.
Above-described embodiment technology design only to illustrate the invention and feature, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and be carried out, can not be limited the scope of the invention with this, all according to the present invention
Equivalence changes or modification that Spirit Essence is made, should all cover within the scope of the present invention.
Claims (10)
1. pipe fitting welding tool, for the welding of pipe fitting and sheet metal component, including tool base plate, it is characterised in that also include at least
One group of pipe fitting welding unit being connected with the tool base plate, the pipe fitting welding unit are included：
Pipe fitting detent mechanism, for the positioning of the pipe fitting；
Pipe fitting rotation-preventing mechanism, for preventing the rotation during pipe fitting welding；
Sheet metal component detent mechanism, for the positioning of the sheet metal component；
Sheet metal component hold-down mechanism, for compressing the sheet metal component.
2. pipe fitting welding tool according to claim 1, it is characterised in that one end of the pipe fitting is provided with location hole, the pipe
Part detent mechanism includes locating piece under the pipe fitting being connected with the tool base plate, and under the pipe fitting, locating piece is used for placing the pipe
Part；The L-type bearing being fixedly connected with the tool base plate, the pipe fitting positioning pin bearing being connected with the L-type bearing, with the pipe
The pipe fitting alignment pin of part alignment pin bearing sliding connection, the pipe fitting alignment pin are coordinated with the location hole.
3. pipe fitting welding tool according to claim 2 a, it is characterised in that end section of the pipe fitting alignment pin is D-shaped, institute
Another end section of pipe fitting alignment pin is stated for circle, the pipe fitting positioning pin bearing is provided with for passing through the pipe fitting alignment pin
Through hole, pipe fitting positioning pin bearing is connected with screw, the end face of the screw and D-shaped one end of the pipe fitting alignment pin
Planar slide connects.
4. pipe fitting welding tool according to claim 3, it is characterised in that the side of the pipe fitting is provided with a notch, the pipe
Part rotation-preventing mechanism includes the counnter attack mechanism support being fixedly connected with the L-type bearing, vertical with the counnter attack mechanism support and sliding
The counnter attack mechanism slide block of dynamic connection, counnter attack mechanism slide block are matched with the notch.
5. pipe fitting welding tool according to claim 4, it is characterised in that the sheet metal component detent mechanism includes and the L-type
The support block that bearing is fixedly connected, the section of the support block is U-shaped, and the pipe fitting is located in the U-shaped opening, the support
Block is provided with sheet metal component support column, and the sheet metal component is positioned on the sheet metal component support column, the sheet metal component and the panel beating
Part support column positions pin connection by sheet metal component.
6. pipe fitting welding tool according to claim 5, it is characterised in that the sheet metal component hold-down mechanism includes and the support
Block rotate connection cam mechanism and the sheet metal component being connected with the cam mechanism press attached piece, the cam mechanism include with described
Sheet metal component to be pressed and be provided with cam between attached piece, and the cam is connected with rotating bar, and the rotating bar drives the cam rotation.
7. pipe fitting welding tool according to claim 6, it is characterised in that the sheet metal component to be provided with counnter attack recessed
Groove, the support base is provided with sheet metal component to be prevented anti-marketing, and the sheet metal component is anti-to be anti-marketed and the counnter attack groove fit.
8. pipe fitting welding tool according to claim 7, it is characterised in that also include material removing mechanism, the material removing mechanism
Lifting for the pipe fitting.
9. pipe fitting welding method, it is characterised in that comprise the following steps：
Step one：Pipe fitting is placed under pipe fitting in locating piece；
Step 2：The notch of pipe fitting is turned to the parallel position of counnter attack mechanism slide block；
Step 3：Sheet metal component is put into, is mated anti-market anti-with sheet metal component of sheet metal component, is inserted sheet metal component alignment pin；
Step 4：Pipe fitting alignment pin is inserted in location hole；
Step 5：Rotating bar is rotated, sheet metal component is pressed attached piece to push down sheet metal component by band moving cam；
Step 6：Mobile counnter attack mechanism slide block, makes notch with the slide block cooperation of counnter attack mechanism；
Step 7：Welded.
10. pipe fitting welding method according to claim 9, it is characterised in that also include：
Step 8：Pipe fitting alignment pin is pulled away from pipe fitting by de- material, and rotating rotating bar band moving cam makes sheet metal component press attached piece of release, will
Counnter attack mechanism slide block away from pipe fitting, using material removing mechanism by one segment distance of pipe fitting jacking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610929866.XA CN106493501B (en) | 2016-10-31 | 2016-10-31 | Pipe fitting welding jig and welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610929866.XA CN106493501B (en) | 2016-10-31 | 2016-10-31 | Pipe fitting welding jig and welding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106493501A true CN106493501A (en) | 2017-03-15 |
| CN106493501B CN106493501B (en) | 2018-11-23 |
Family
ID=58319235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610929866.XA Active CN106493501B (en) | 2016-10-31 | 2016-10-31 | Pipe fitting welding jig and welding method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106493501B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378374A (en) * | 2017-08-31 | 2017-11-24 | 安徽众汇制冷有限公司 | A kind of multi-connected machine business air conditioner gas-liquid separator welding tooling and its application method |
| CN108000047A (en) * | 2018-01-29 | 2018-05-08 | 浙江工业大学之江学院 | A kind of thin wall tee pipe clamping device |
| CN108188649A (en) * | 2018-01-29 | 2018-06-22 | 浙江工业大学 | A kind of clamping device of thin-walled varying cross-section duct |
| CN108188648A (en) * | 2018-01-29 | 2018-06-22 | 浙江工业大学 | A kind of clamping device of thin-wall tube |
| CN108381093A (en) * | 2018-04-13 | 2018-08-10 | 河南省恒明新能源有限公司 | A kind of welding tooling |
| CN108637582A (en) * | 2018-04-09 | 2018-10-12 | 芜湖立普德机械科技有限公司 | A kind of metal weldment splicing equipment |
| CN109048144A (en) * | 2018-10-29 | 2018-12-21 | 项大清 | Double-station thin-wall drilling welding machine |
| CN109894778A (en) * | 2019-03-28 | 2019-06-18 | 青岛康润源工贸有限公司 | Hoisting type roller processing unit (plant) |
| CN110125602A (en) * | 2019-05-16 | 2019-08-16 | 平高集团有限公司 | Shell flange welds positioning tool |
| CN110153632A (en) * | 2019-05-16 | 2019-08-23 | 平高集团有限公司 | A kind of shell flange welding positioning tool |
| CN111822947A (en) * | 2020-06-12 | 2020-10-27 | 中车青岛四方机车车辆股份有限公司 | Machining method for stay bar assembly in straddle bogie end beam structure |
| CN113305495A (en) * | 2021-05-17 | 2021-08-27 | 金华鑫荣过滤设备有限公司 | Welding tool for melt filter component |
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| CN206335287U (en) * | 2016-10-31 | 2017-07-18 | 亿和精密工业（苏州）有限公司 | Pipe fitting welding tool |
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| CN104439808A (en) * | 2014-11-28 | 2015-03-25 | 江苏沃得植保机械有限公司 | Special welding machine for welding parts on shaft pipes |
| CN105880889A (en) * | 2014-12-29 | 2016-08-24 | 无锡龙舜实业有限公司 | Vertical welding machine for water distribution pipes |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378374B (en) * | 2017-08-31 | 2023-02-28 | 安徽众汇制冷有限公司 | Gas-liquid separator welding tool for multi-split commercial air conditioner and using method thereof |
| CN107378374A (en) * | 2017-08-31 | 2017-11-24 | 安徽众汇制冷有限公司 | A kind of multi-connected machine business air conditioner gas-liquid separator welding tooling and its application method |
| CN108000047A (en) * | 2018-01-29 | 2018-05-08 | 浙江工业大学之江学院 | A kind of thin wall tee pipe clamping device |
| CN108188649A (en) * | 2018-01-29 | 2018-06-22 | 浙江工业大学 | A kind of clamping device of thin-walled varying cross-section duct |
| CN108188648A (en) * | 2018-01-29 | 2018-06-22 | 浙江工业大学 | A kind of clamping device of thin-wall tube |
| CN108188648B (en) * | 2018-01-29 | 2024-04-02 | 浙江工业大学 | Clamping device for thin-wall pipe |
| CN108188649B (en) * | 2018-01-29 | 2024-03-22 | 浙江工业大学 | Clamping device for thin-wall variable-section pipe |
| CN108000047B (en) * | 2018-01-29 | 2024-03-12 | 浙江工业大学之江学院 | Thin-wall three-way pipe clamping device |
| CN108637582A (en) * | 2018-04-09 | 2018-10-12 | 芜湖立普德机械科技有限公司 | A kind of metal weldment splicing equipment |
| CN108381093A (en) * | 2018-04-13 | 2018-08-10 | 河南省恒明新能源有限公司 | A kind of welding tooling |
| CN109048144A (en) * | 2018-10-29 | 2018-12-21 | 项大清 | Double-station thin-wall drilling welding machine |
| CN109894778A (en) * | 2019-03-28 | 2019-06-18 | 青岛康润源工贸有限公司 | Hoisting type roller processing unit (plant) |
| CN110125602A (en) * | 2019-05-16 | 2019-08-16 | 平高集团有限公司 | Shell flange welds positioning tool |
| CN110153632A (en) * | 2019-05-16 | 2019-08-23 | 平高集团有限公司 | A kind of shell flange welding positioning tool |
| CN111822947B (en) * | 2020-06-12 | 2021-11-30 | 中车青岛四方机车车辆股份有限公司 | Machining method for stay bar assembly in straddle bogie end beam structure |
| CN111822947A (en) * | 2020-06-12 | 2020-10-27 | 中车青岛四方机车车辆股份有限公司 | Machining method for stay bar assembly in straddle bogie end beam structure |
| CN113305495B (en) * | 2021-05-17 | 2023-07-25 | 金华鑫荣过滤设备有限公司 | Welding fixture for melt filter component |
| CN113305495A (en) * | 2021-05-17 | 2021-08-27 | 金华鑫荣过滤设备有限公司 | Welding tool for melt filter component |
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| Publication number | Publication date |
|---|---|
| CN106493501B (en) | 2018-11-23 |
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