CN204449724U - A kind of welding bench - Google Patents
A kind of welding bench Download PDFInfo
- Publication number
- CN204449724U CN204449724U CN201520105994.3U CN201520105994U CN204449724U CN 204449724 U CN204449724 U CN 204449724U CN 201520105994 U CN201520105994 U CN 201520105994U CN 204449724 U CN204449724 U CN 204449724U
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- welding
- welding gun
- lathe bed
- governor motion
- welding bench
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Abstract
The utility model provides a kind of welding bench, relate to technical field of welding equipment, comprising lathe bed, being located at described lathe bed length direction one end for the main spindle box that drives workpiece to rotate and for carrying out the welding gun welded, described main spindle box comprises the rotating shaft of rotating setting, the chuck being located at described rotating shaft one end and the interlock claw be evenly located at for clamping work pieces on described chuck, also comprise the adjusting device for welding gun for regulating welding gun, described adjusting device for welding gun is connected to described lathe bed by mobile device.The welding bench that the utility model provides, overall structure is simple, reasonable, the longitudinal seam welding work of workpiece for barrel can not only be used for, the girth welding work of workpiece for barrel can also be used for, achieve the working forms of a tractor serves several purposes, be convenient to reduce the cost produced and need drop into, and substantially reduce the space occupied needed for equipment, be convenient to improve productivity effect.
Description
Technical field
The utility model relates to technical field of welding equipment, particularly relates to a kind of welding bench.
Background technology
Barrel soldering work is generally divided into longitudinal seam welding and girth welding, existing welding bench generally can only complete single welding job, namely longitudinal seam welding work or girth welding work can only be completed, the purposes of welding bench is comparatively single, can not select corresponding welding manner according to weld seam situation.So, need to buy different welding equipments for different weld seam situations, equipment purchase fund is high, and the space occupied needed for equipment is also large, and virtually substantially increase production cost, productivity effect is low.
Utility model content
In order to solve the shortcoming and defect that above-mentioned prior art exists, the utility model provides a kind of welding bench that can meet multiple welding manner.
In order to reach above-mentioned technical purpose, the welding bench that the utility model provides, comprising lathe bed, being located at described lathe bed length direction one end for the main spindle box that drives workpiece to rotate and for carrying out the welding gun welded, described main spindle box comprises the rotating shaft of rotating setting, the chuck being located at described rotating shaft one end and the interlock claw be evenly located at for clamping work pieces on described chuck, also comprise the adjusting device for welding gun for regulating welding gun, described adjusting device for welding gun is connected to described lathe bed by mobile device.
Main spindle box drives workpiece to rotate, and adjusting device for welding gun is connected to lathe bed by mobile device, and welding gun is arranged on adjusting device for welding gun.If workpiece is longitudinal seam welding, main spindle box does not drive rotating shaft to rotate, and after regulating welding gun by adjusting device for welding gun, in welding process, mobile device drives welding gun to move along its length, completes workpiece longitudinal seam welding work.If workpiece is external circular seam welding, regulated the position of welding gun according to the position of outer circumferential weld by mobile device and adjusting device for welding gun, in welding process, main spindle box drives workpiece to rotate by rotating shaft, completes the work of workpiece external circular seam welding.
Preferably, described mobile device comprise rotate be located at drive lead screw on described lathe bed, for drive described drive lead screw to rotate motor one, be set in slide plate on screw mandrel by threaded engagement and bottom is connected to the support of described slide plate by clamping seats one, the length direction of described drive lead screw is consistent with the length direction of described lathe bed.
Motor one drives screw mandrel of passing on Gong to rotate, and drive lead screw drives slide plate to move around relative to lathe bed, and then drives welding gun relative to lathe-bed moving, is convenient to welding gun and completes workpiece longitudinal seam welding work and move welding gun according to position while welding.
Preferably, described lathe bed is provided with the guide rail one coordinated with described slide plate, and described guide rail one is parallel to the setting of described drive lead screw.
Slide plate coordinates with the guide rail one on lathe bed, and slide plate moves more steady, and then ensures welding gun movement stably in longitudinal seam welding process, ensures weldquality.
Preferably, the two ends of described drive lead screw are provided with the limit switches for controlling described slide plate shift motion.Limit switches, for controlling the shift motion of slide plate, departs from drive lead screw when avoiding slide plate to move, and ensures the normal work of mobile device, and then ensures that welding bench entirety is normally run.
Preferably, described adjusting device for welding gun comprises the X that connects successively to governor motion, Y-direction governor motion and Z-direction governor motion, and described X is connected to described support to governor motion by clamping seats two.
Preferably, described Y-direction governor motion is connected to described X to governor motion by rotating mechanism and link gear.
X forms three-coordinate to governor motion, Y-direction governor motion and Z-direction governor motion, is convenient to regulate welding gun according to position while welding, by the Y-direction governor motion of the adjustable welding gun of rotating mechanism relative to the angle of X to governor motion, expands the adjustable range of welding gun.Link gear for drive welding gun close, away from workpiece, avoid welding gun to clamping, unload and get workpiece and cause obstruction, make staff can complete the clamping of workpiece fast and unload the work of getting.
Preferably, described rotating mechanism comprises and is connected to described X to the fixed disk of governor motion, the rolling disc be rotatably connected with described fixed disk and the handle for locking described rolling disc.
Preferably, the linkage board that described link gear comprises the base plate four be fixedly arranged on described rolling disc, is located at the cylinder at described base plate four top, is fixedly connected with the piston-rod lower end portion of described cylinder, described base plate four is installed with fixed block, described linkage board is provided with the slide rail coordinated with described fixed block, and described Y-direction governor motion is located on described linkage board.Cylinder is close by linkage board drive welding gun, away from workpiece, fixed block coordinates with slide rail, and resistance to overturning is good, and welding gun moves steadily.
Preferably, described adjusting device for welding gun also comprises the clamp system for welding gun being connected to described Z-direction governor motion, and described clamp system comprises and is connected to the connecting rod of described Z-direction governor motion by fixture block one and is located on described connecting rod for installing the fixture block two of welding gun.
Preferably, also comprise the tailstock being located at the described lathe bed length direction other end, described tailstock comprises sliding to be located at pedestal on described lathe bed, to be located at top, top relative to the rocking bar of described pedestal movement and the set lever for locking top position for driving for clamping work pieces of pedestal side, and described top axial line overlaps with the axial line of described rotating shaft.
Tailstock is used for clamping work pieces, in order to ensure Workpiece clamping stability, makes workpiece smooth rotation in girth welding, the harmful effect avoiding workpiece to rotate unstable welding quality causing.
The welding bench that the utility model provides, overall structure is simple, reasonable, the longitudinal seam welding work of workpiece for barrel can not only be used for, the girth welding work of workpiece for barrel can also be used for, achieve the working forms of a tractor serves several purposes, be convenient to reduce the cost produced and need drop into, and substantially reduce the space occupied needed for equipment, be convenient to improve productivity effect.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model embodiment welding bench;
Fig. 2 is the structural representation of mobile device in the utility model embodiment welding bench;
Fig. 3 is the structural representation of adjusting device for welding gun in the utility model embodiment welding bench;
Fig. 4 is the part-structure schematic diagram of adjusting device for welding gun in the utility model embodiment welding bench;
Fig. 5 is the structural representation of main spindle box in the utility model embodiment welding bench;
Fig. 6 is the structural representation of tailstock in the utility model embodiment welding bench.
In figure, 1-lathe bed, 11-base, 12-casing, 13-connector assembly, 14-guide rail one, 15-guide rail two, 16-fixed mount, 2-mobile device, 21-support, 22-motor one, 23-drive lead screw, 24-slide plate, 25-clamping seats one, 26-limit switches, 27-encoder housing, 3-adjusting device for welding gun, 31-X is to governor motion, 311-base plate one, 312-screw mandrel one, 313-slide block one, 314-backstay one, 32-Y is to governor motion, 321-base plate two, 322-screw mandrel two, 323-slide block two, 324-backstay two, 33-Z is to governor motion, 331-base plate three, 332-screw mandrel three, 333-slide block three, 334-backstay three, 34-link gear, 341-base plate four, 342-cylinder, 343-linkage board, 344-slide rail, 345-fixed block, 35-rotating mechanism, 36-frame plate, 37-clamp system, 371-fixture block one, 372-connecting rod, 373-fixture block two, 38-clamping seats two, 4-main spindle box, 41-rotating shaft, 42-chuck, 43-claw, 44-rolling disc, 45-gear housing, 46-motor two, 47-encoder housing two, 48-mount pad, 5-tailstock, 51-pedestal, 52-is top, 53-rocking bar, 54-set lever, 6-control device, 61-control cabinet, 62-pole, 63-Connection Block, 71-magnetic valve, 72-bigeminy part.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in the figure, the welding bench that the utility model embodiment provides, comprise lathe bed 1, be located at this lathe bed length direction one end for drive workpiece to rotate main spindle box 4, for carry out welding welding gun, for regulate the adjusting device for welding gun 3 of welding gun, in order to connect adjusting device for welding gun and lathe bed mobile device 2, be located at the lathe bed length direction other end for the tailstock 5 of clamping work pieces and the control device 6 be located on lathe bed.
Lathe bed 1 comprises base 11 and is located at the casing 12 on this base, and the outer wall of casing is provided with the connector assembly 13 for socket power.
The control cabinet 61 that control device 6 comprises the Connection Block 63 be fixed on casing, pole 62 that bottom coordinates with this Connection Block and is located at pole top, control cabinet is provided with display screen and the button for controlling.
The side of casing 12 is located at by mobile device 2, comprise rotate be located at drive lead screw 23 on casing, for drive drive lead screw to rotate motor 1, be set in slide plate 24 on screw mandrel by threaded engagement and bottom is connected to the support 21 of slide plate by clamping seats 1, the length direction of drive lead screw is consistent with the length direction of lathe bed, the outer wall of motor one is fixed with encoder housing 1.
The outer wall of casing 12 is provided with fixed mount 16 for installing screw mandrel and two guide rails coordinated with slide plate 1, and the two ends of drive lead screw 23 are rotatably installed on fixed mount 16, fixed mount are provided with the limit switches 26 for controlling slide travel.Two guide rails 1 are positioned at the both sides of drive lead screw 23, and guide rail one is parallel to drive lead screw 23 arranges.
Motor 1 drives screw mandrel 23 of passing on Gong to rotate, and drive lead screw drives slide plate 24 to move around relative to lathe bed 1, and then drives welding gun relative to lathe-bed moving, is convenient to welding gun and completes workpiece longitudinal seam welding work and move welding gun according to position while welding.Slide plate 24 coordinates with the guide rail 1 on lathe bed, and slide plate moves more steady, and then ensures welding gun movement stably in longitudinal seam welding process, ensures weldquality.Limit switches 26, for controlling the shift motion of slide plate 24, departs from drive lead screw 23 when avoiding slide plate to move, and ensures the normal work of mobile device, and then ensures that welding bench entirety is normally run.
Adjusting device for welding gun 3 comprises the X connected successively and is connected to support 21 to governor motion by clamping seats 2 38 to governor motion 31, rotating mechanism 35, link gear 34, Y-direction governor motion 32, Z-direction governor motion 33 and clamp system 37, X.
X comprises base plate 1 to governor motion 31, rotate the screw mandrel one 312, two be located on this base plate one to be fixedly mounted on base plate one and the parallel backstay 1 being positioned at screw mandrel one both sides and the slide block 1 be sleeved on screw mandrel one and backstay one, and base plate one is installed on the stent 21 by clamping seats 2 38.
Rotating mechanism 35 is connected to X to governor motion 31 by square frame plate 36, one end of square frame plate is fixed on slide block 1, and rotating mechanism comprises the fixed disk being fixed on the square frame plate other end, the rolling disc be rotatably connected with this fixed disk and the handle for locking this rolling disc.
The linkage board 343 that link gear 34 comprises the base plate 4 341 be fixed on rolling disc, is fixed on the cylinder 342 at this base plate four top, is fixedly connected with the piston-rod lower end portion of cylinder, base plate four is fixed with fixed block
345, linkage board is provided with the slide rail 344 coordinated with this fixed block.
Y-direction governor motion 32 comprises the base plate 2 321 be fixed on linkage board 343, rotate the screw mandrel 2 322, two be located on this base plate two to be fixed on this base plate two and parallel be positioned at screw mandrel two both sides backstay 2 324 and engagement sleeves be contained in slide block 2 323 on screw mandrel two and backstay two.
Z-direction governor motion 33 comprises the base plate 3 331 be fixed on slide block 2 323, rotate the screw mandrel 3 332, two be arranged on this base plate three to be fixed on this base plate three and parallel be positioned at screw mandrel three both sides backstay 3 334 and engagement sleeves be contained in slide block 3 333 on screw mandrel three and backstay three.
Clamp system 37 comprises the fixture block 1 be fixed on slide block 3 333, is arranged on the connecting rod 372 on this fixture block one and is sleeved on connecting rod for clamping the fixture block 2 373 of welding gun.
X forms three-coordinate to governor motion 31, Y-direction governor motion 32 and Z-direction governor motion 33, one end of screw mandrel one, screw mandrel two and screw mandrel three is provided with the handle of rotary screw rod, adjusting device for welding gun 3 is convenient to regulate welding gun according to position while welding, by the Y-direction governor motion of the adjustable welding gun of rotating mechanism 35 relative to the angle of X to governor motion, expand the adjustable range of welding gun, welding gun is made to be convenient to, according to workpiece model, angle between shape adjustment welding gun and workpiece outer wall, make welding gun reach optimum welding position.Link gear for drive welding gun close, away from workpiece, avoid welding gun to clamping, unload and get workpiece and cause obstacle, make staff can complete the clamping of workpiece fast and unload the work of getting.
Main spindle box 4 comprise be located at top mount pad 48, rotate and be located at rotating shaft 41 on mount pad, the motor 2 46 driving rotating shaft to rotate by gear transmission structure, cover gear transmission structure and drop down onto the gear housing 45 on gear, the chuck 42 being located at rotating shaft one end and the interlock claw 43 be located at for clamping work pieces on chuck in order to avoid welding slag, the outer wall of motor two is provided with encoder housing 2 47, the outer wall of main spindle box is fixed with bigeminy part 72 and the magnetic valve 71 for control cylinder 342.Bigeminy part comprises pressure-reducing valve and oil sprayer, and pressure-reducing valve carries out voltage stabilizing to the source of the gas acting on cylinder, makes source of the gas be in steady state, and oil sprayer, in order to lubricate each parts, extends complete machine service life.
Claw 43 is for clamping work pieces, and motor 2 46 drives rotating shaft 41 to rotate by gear transmission structure, thus drives workpiece to rotate.
Tailstock 5 comprises pedestal 51, be located at pedestal side for clamping work pieces top 52, for driving the top rocking bar 53 relative to pedestal movement and for locking top set lever 54, top axial line overlaps with the axial line of rotating shaft 41, the upper surface of the casing 12 length direction other end has pair of parallel guide rail 2 15 surely, pedestal 51 by with guide rail 2 15 coordinate other end tailstock 5 being slidably mounted on lathe bed 1 length direction.
Tailstock 5, for clamping work pieces, in order to ensure Workpiece clamping stability, makes workpiece smooth rotation in girth welding, the harmful effect avoiding workpiece to rotate unstable welding quality causing.
Main spindle box 4 drives workpiece to rotate, and adjusting device for welding gun 3 is connected to lathe bed by mobile device 2, and welding gun is arranged on adjusting device for welding gun.If workpiece is longitudinal seam welding, main spindle box does not drive rotating shaft to rotate, and after regulating welding gun by adjusting device for welding gun, in welding process, mobile device drives welding gun to move along lathe bed length direction, completes workpiece longitudinal seam welding work.If workpiece is external circular seam welding, regulated the position of welding gun according to the position of outer circumferential weld by mobile device and adjusting device for welding gun, in welding process, main spindle box drives workpiece to rotate by rotating shaft, completes the work of workpiece external circular seam welding.
The welding bench that the utility model embodiment provides, overall structure is simple, reasonable, the longitudinal seam welding work of workpiece for barrel can not only be used for, the girth welding work of workpiece for barrel can also be used for, achieve the working forms of a tractor serves several purposes, be convenient to reduce the cost produced and need drop into, and substantially reduce the space occupied needed for equipment, be convenient to improve productivity effect.
In a word, the foregoing is only preferred embodiment of the present utility model, every equalization done according to the utility model changes and modifies, and all should belong to the protection domain that the utility model is applied for a patent.
Claims (10)
1. a welding bench, comprising lathe bed (1), being located at described lathe bed length direction one end for the main spindle box (4) that drives workpiece to rotate and for carrying out the welding gun welded, described main spindle box comprises the rotating shaft (41) of rotating setting, the chuck (42) being located at described rotating shaft one end and the interlock claw (43) be evenly located at for clamping work pieces on described chuck, it is characterized in that, also comprise the adjusting device for welding gun (3) for regulating welding gun, described adjusting device for welding gun is connected to described lathe bed (1) by mobile device (2).
2. welding bench according to claim 1, it is characterized in that, described mobile device (2) comprise rotate be located at drive lead screw (23) on described lathe bed, for drive described drive lead screw to rotate motor one (22), be set in slide plate (24) on screw mandrel by threaded engagement and the support (21) that clamping seats one (25) is connected to described slide plate is passed through in bottom, the length direction of described drive lead screw is consistent with the length direction of described lathe bed.
3. welding bench according to claim 2, is characterized in that, described lathe bed (1) is provided with the guide rail one (14) coordinated with described slide plate (24), and described guide rail one is parallel to described drive lead screw (23) setting.
4. welding bench according to claim 2, is characterized in that, the two ends of described drive lead screw (23) are provided with the limit switches (26) for controlling described slide plate (24) shift motion.
5. the welding bench according to any one of claim 2-4, it is characterized in that, described adjusting device for welding gun (3) comprises the X that connects successively to governor motion (31), Y-direction governor motion (32) and Z-direction governor motion (33), and described X is connected to described support (21) to governor motion by clamping seats two (38).
6. welding bench according to claim 5, is characterized in that, described Y-direction governor motion (32) is connected to described X to governor motion (31) by rotating mechanism (35) and link gear (34).
7. welding bench according to claim 6, it is characterized in that, described rotating mechanism (35) comprises and is connected to described X to the fixed disk of governor motion (31), the rolling disc be rotatably connected with described fixed disk and the handle for locking described rolling disc.
8. welding bench according to claim 7, it is characterized in that, the linkage board (343) that described link gear (34) comprises the base plate four (341) be fixedly arranged on described rolling disc, is located at the cylinder (342) at described base plate four top, is fixedly connected with the piston-rod lower end portion of described cylinder, described base plate four is installed with fixed block (345), described linkage board is provided with the slide rail (344) coordinated with described fixed block, and described Y-direction governor motion (32) is located on described linkage board.
9. welding bench according to claim 5, it is characterized in that, described adjusting device for welding gun (3) also comprises the clamp system (37) for welding gun being connected to described Z-direction governor motion (33), and described clamp system comprises and is connected to the connecting rod (372) of described Z-direction governor motion (33) by fixture block one (371) and is located on described connecting rod for installing the fixture block two (373) of welding gun.
10. the welding bench according to any one of claim 1-4, it is characterized in that, also comprise the tailstock (5) being located at described lathe bed (1) the length direction other end, described tailstock comprises sliding to be located at pedestal (51) on described lathe bed, to be located at top (52), for drive top relative to the rocking bar (53) of described pedestal movement and set lever for lock top position of pedestal side for clamping work pieces, and described top axial line overlaps with the axial line of described rotating shaft (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520105994.3U CN204449724U (en) | 2015-02-13 | 2015-02-13 | A kind of welding bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520105994.3U CN204449724U (en) | 2015-02-13 | 2015-02-13 | A kind of welding bench |
Publications (1)
| Publication Number | Publication Date |
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| CN204449724U true CN204449724U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520105994.3U Expired - Fee Related CN204449724U (en) | 2015-02-13 | 2015-02-13 | A kind of welding bench |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105855680A (en) * | 2016-06-12 | 2016-08-17 | 广西电力线路器材厂 | Automatic welding forming machine for frameworks of electric poles |
| CN106334879A (en) * | 2016-11-07 | 2017-01-18 | 四川唯诺家私有限公司 | Oil Cylinder Piston for Welding Thickness of Machine Tool in Special Furniture Production |
| CN107052647A (en) * | 2017-04-17 | 2017-08-18 | 宁晋县昱恒机械制造有限公司 | Bonding machine applied to axial workpiece |
| CN107309594A (en) * | 2017-06-16 | 2017-11-03 | 昆山凯禄电子科技有限公司 | A kind of automated variable position circular seam welding device |
| CN108000016A (en) * | 2018-01-15 | 2018-05-08 | 山东建筑大学 | A kind of major diameter drill bit welder |
| CN108422113A (en) * | 2017-02-14 | 2018-08-21 | 武汉楚天工业激光设备有限公司 | A kind of circle oil distributing pipe welding fixture |
| CN108620709A (en) * | 2017-03-20 | 2018-10-09 | 王俏予 | A kind of mash welder |
| CN109746587A (en) * | 2019-03-19 | 2019-05-14 | 昆山华恒焊接股份有限公司 | A kind of welding system |
| CN110216394A (en) * | 2017-08-22 | 2019-09-10 | 东莞市蓉工自动化科技有限公司 | A kind of sleeve mash welder facilitating blanking |
| CN110586692A (en) * | 2019-09-27 | 2019-12-20 | 胡智轩 | Automobile metal plate repairing is with exempting from to dismantle formula vacuum draws a ware |
| CN112404782A (en) * | 2020-12-11 | 2021-02-26 | 陕西龙门钢铁有限责任公司 | Semi-automatic welding device for welding equipment with roller shafts below 400mm based on lathe |
| CN112548402A (en) * | 2020-11-23 | 2021-03-26 | 南京创科电气有限公司 | Welding device and welding method for annular welding line on exhaust funnel |
| CN114453460A (en) * | 2022-01-25 | 2022-05-10 | 阳尚求 | Disassembly-free type metal plate repairing equipment |
-
2015
- 2015-02-13 CN CN201520105994.3U patent/CN204449724U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105855680A (en) * | 2016-06-12 | 2016-08-17 | 广西电力线路器材厂 | Automatic welding forming machine for frameworks of electric poles |
| CN106334879A (en) * | 2016-11-07 | 2017-01-18 | 四川唯诺家私有限公司 | Oil Cylinder Piston for Welding Thickness of Machine Tool in Special Furniture Production |
| CN108422113A (en) * | 2017-02-14 | 2018-08-21 | 武汉楚天工业激光设备有限公司 | A kind of circle oil distributing pipe welding fixture |
| CN108620709A (en) * | 2017-03-20 | 2018-10-09 | 王俏予 | A kind of mash welder |
| CN107052647A (en) * | 2017-04-17 | 2017-08-18 | 宁晋县昱恒机械制造有限公司 | Bonding machine applied to axial workpiece |
| CN107309594A (en) * | 2017-06-16 | 2017-11-03 | 昆山凯禄电子科技有限公司 | A kind of automated variable position circular seam welding device |
| CN110216394A (en) * | 2017-08-22 | 2019-09-10 | 东莞市蓉工自动化科技有限公司 | A kind of sleeve mash welder facilitating blanking |
| CN108000016A (en) * | 2018-01-15 | 2018-05-08 | 山东建筑大学 | A kind of major diameter drill bit welder |
| CN108000016B (en) * | 2018-01-15 | 2023-11-21 | 山东建筑大学 | Major diameter drill bit welding set |
| CN109746587A (en) * | 2019-03-19 | 2019-05-14 | 昆山华恒焊接股份有限公司 | A kind of welding system |
| CN110586692A (en) * | 2019-09-27 | 2019-12-20 | 胡智轩 | Automobile metal plate repairing is with exempting from to dismantle formula vacuum draws a ware |
| CN110586692B (en) * | 2019-09-27 | 2021-12-24 | 深圳市百思泰科技有限公司 | Automobile metal plate repairing is with exempting from to dismantle formula vacuum draws a ware |
| CN112548402A (en) * | 2020-11-23 | 2021-03-26 | 南京创科电气有限公司 | Welding device and welding method for annular welding line on exhaust funnel |
| CN112548402B (en) * | 2020-11-23 | 2022-05-03 | 南京创科电气有限公司 | Welding method for annular welding seam on exhaust funnel |
| CN112404782A (en) * | 2020-12-11 | 2021-02-26 | 陕西龙门钢铁有限责任公司 | Semi-automatic welding device for welding equipment with roller shafts below 400mm based on lathe |
| CN114453460A (en) * | 2022-01-25 | 2022-05-10 | 阳尚求 | Disassembly-free type metal plate repairing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20220213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |