CN204673179U - A kind of auto spiral welder with conveying device - Google Patents
A kind of auto spiral welder with conveying device Download PDFInfo
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- CN204673179U CN204673179U CN201520352297.8U CN201520352297U CN204673179U CN 204673179 U CN204673179 U CN 204673179U CN 201520352297 U CN201520352297 U CN 201520352297U CN 204673179 U CN204673179 U CN 204673179U
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Abstract
The utility model helix tube solder technology, be specifically related to a kind of automatic welding and haulage equipment thereof of helix tube: concrete technical scheme is: a kind of auto spiral welder with conveying device, comprise welding system and handling system, welding system comprises automatic welding frame, the workbench of automatic welding frame is provided with work holder and welder, work holder comprises hold-down support, sliding support and guide rail, guide rail is arranged between hold-down support and sliding support, the bottom of hold-down support is arranged on workbench by bolt, by handling system by trade union college on workbench, workpiece rotates under the drive of spindle servo electric machine, after work holder horizontal-clamping workpiece, rotate under the drive of spindle servo electric machine, select the quantity of welding gun according to actual needs, many welding gun to be moved to stable velocity linear, welding gun carries out automatic welding to the outer wall of workpiece, welding efficiency is high, welding quality might as well.
Description
Technical field
The utility model helix tube solder technology, is specifically related to a kind of automatic welding and haulage equipment thereof of helix tube.
Background technology
The welding of helix tube is all generally human weld, and the tube wall of helix tube has radian, and operationally, welding gun needs to turn around helix tube welder always, and operating difficulties, precision is low, easily occurs waste product.If rotary helix pipe thin welds, the rotating speed of helix tube and the speed of welding of workman are difficult to regulate, and the labour intensity of workman is high, and welding efficiency is low, and the quality of welding and stability are all very poor.In addition, large-scale helix tube quality is large, and it is very inconvenient to be placed on by helix tube on jig.
Utility model content
The utility model overcomes the deficiency that prior art exists, and aims to provide the high and helix tube automatic welding machine of good stability of a kind of welding quality, additionally provides a kind of Handling device matched with bonding machine simultaneously.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of auto spiral welder with conveying device, comprises welding system and the handling system being arranged on welding system side.
Wherein, welding system comprises automatic welding frame, the workbench of automatic welding frame is provided with work holder and welder, and work holder is used for holding workpiece, and welder is for welding the workpiece on work holder.
Wherein, work holder comprises hold-down support, sliding support and guide rail, guide rail is arranged between hold-down support and sliding support, the bottom of hold-down support is arranged on workbench by bolt, the top of hold-down support has the first installing hole, the first main shaft is coated with in first installing hole, first main shaft is connected with the first positioning disk, first positioning disk and the first spindle synchronous rotate, be connected by shaft coupling between first main shaft and the output shaft of spindle servo electric machine, the bottom of sliding support is arranged in guide rail, the top of sliding support has the second installing hole, the second main shaft is coated with in second installing hole, second main shaft is connected with the second positioning disk, second positioning disk and the second spindle synchronous rotate, the workpiece of tubulose is clamped between first positioning disk and the second positioning disk, movable bearing support can move back and forth at guide rail cathetus, movable bearing support by bolt locking on guide rail, workpiece rotates under the drive of spindle servo electric machine.After work holder horizontal-clamping workpiece, rotate under the drive of spindle servo electric machine, select the quantity of welding gun according to actual needs, many welding gun to be moved to stable velocity linear, welding gun carries out automatic welding to the outer wall of workpiece, and welding efficiency is high, and welding quality might as well.
Wherein, welder comprises multiple welding gun, workbench is provided with slide unit, slide unit is arranged along the length direction of workpiece, multiple welding gun is all arranged on slide unit by slide, and the rifle head of welding gun, towards workpiece setting, workbench is also provided with feed servo motor, feed servo motor is connected by screw mandrel with between slide, and feed servo motor can drive slide straight reciprocating motion on slide unit.
Wherein, automatic welding frame is supported on the ground by four supporting legs, and the column of supporting leg is channel-section steel, and the bottom of supporting leg is supported by steel plate, and the Stability Analysis of Structures of channel-section steel, bearing capacity is large.
Wherein, automatic welding frame is evenly equipped with multiple waste residue groove, discarded welding slag can leak down by multiple waste residue groove, avoids the foreign material on workbench too many.
Wherein, guide rail is also provided with multiple two blocks of wing plates, two pieces of wing plate reversed dips are arranged, be connected by transverse slat between the bottom of two blocks of wing plates, transverse slat is bolted on guide rail by multiple, form the horn-like upper shed of 120 ~ 150 degree between two wing plates, workpiece is placed in the upper shed of two blocks of wing plates.
Wherein, the first positioning disk is by disk and the annular slot being connected to disk border, and the first positioning disk is identical with the structure of the second positioning disk, and the two ends of workpiece are installed in the annular slot of the first positioning disk and the annular slot of the second positioning disk respectively.
In addition, the handling system matched with welding system comprises crane arm, arm head and suspension hook, crane arm is telescopic arm, the rear end of crane arm is supported by flexible montant, arm head is arranged on the front end of crane arm, head pulley is provided with in arm head, auxiliary pulley is provided with in suspension hook, be connected by steel wire rope between head pulley with auxiliary pulley, suspension hook pumps under the drive of steel wire rope, arm head there is suspension hook baffle plate by hinge, crane arm is provided with the first bending plate, first bending plate entirety is L-shaped and its upper end is fixed on crane arm, the first opening entered for suspension hook baffle plate is formed between the lower end of the first bending plate and crane arm, first bending plate has the first through hole, the first locking system of locating hook baffle plate is coated with in first through hole, arm head is also provided with the second bending plate of L shape, formed towards the second opening of crane arm between one end of second bending plate and arm head, the other end is fixed on arm head, second bending plate has the second through hole, the second locking system of locating hook baffle plate is coated with in second through hole, suspension hook is fixed with the 3rd bending plate, 3rd bending plate entirety is U-shaped, 3rd groove forming the upper and lower opening for clamping suspension hook baffle plate between bending plate and suspension hook.
Wherein, electric pushrod support is connected with bottom suspension hook, electric pushrod support comprises Electrohydraulic push rod, the top of Electrohydraulic push rod is connected with suspension hook, the bottom of Electrohydraulic push rod is connected with back shaft, the other end of back shaft is hinged with aerofoil, Electrohydraulic push rod bottom is connected with aerofoil by umbrella opening and closing structure, umbrella open/close mechanism comprises the upper connecting rod being hinged on back shaft lower end, the upper connecting rod other end is hinged in the middle part of aerofoil, lower link one end is hinged on slide head, and the other end is hinged in the middle part of connecting rod, and the bottom of aerofoil is connected with multiple gripper.
The utility model compared with prior art has following beneficial effect:
One, the utility model is engaged by the precision of welding gun with workpiece helix, ensure that the realization of helix automatic welding, the weldquality of helix weld seam is high, weldquality is apparently higher than human weld, helix weld seam is welding quality stable when long-time continuous is welded, the stability of weldquality and uniformity are apparently higher than human weld, welding efficiency is high, the welding efficiency of a spiral weld automatic welding device is equivalent to the operating efficiency of 4-6 skilled welder, so greatly reduce the manufacturing cost of product.During the work of spiral weld automatic welding device; operator only need observe; do not need long-time near welding position; therefore operator receive welding high light, welding gas and welding electromagnetic radiation harm also greatly reduce; improve working environment, protect the healthy of operator.
Two, Handling device of the present utility model can avoid a dead lift, easy to operate, reduces labour intensity.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of welding system in Fig. 1.
Fig. 3 is the side view of welding system.
Fig. 4 is the syndeton schematic diagram of crane arm and suspension hook in Fig. 1.
Fig. 5 is the structural representation of electric pushrod support.
In figure: 1 is automatic welding frame, 2 is workbench, 3 is work holder, 4 is welder, 5 is hold-down support, 6 is sliding support, 7 is guide rail, 8 is the first main shaft, 9 is the first positioning disk, 10 is the second main shaft, 11 is the second positioning disk, 12 is spindle servo electric machine, 13 is welding gun, 14 is slide unit, 15 is feed servo motor, 16 is supporting leg, 17 is column, 18 is waste residue groove, 19 is wing plate, 20 is disk, 21 is annular slot, 22 is crane arm, 23 is arm head, 24 is suspension hook, 25 is montant, 26 is the first locking system, 27 is the second locking system, 28 is the first bending plate, 29 is the second bending plate, 31 is gripper, 32 is electric pushrod support, 33 is back shaft, 34 is Electrohydraulic push rod, 35 is aerofoil, 36 is upper connecting rod, 37 is lower link.
Detailed description of the invention
Be described in further detail the utility model by reference to the accompanying drawings now, accompanying drawing is the schematic diagram simplified, and only basic structure of the present utility model is described in a schematic way, therefore it only shows the formation relevant with the utility model.
As Figure 1-5, a kind of auto spiral welder with conveying device, comprises welding system and the handling system being arranged on welding system side.
Wherein, welding system comprises automatic welding frame 1, the workbench 2 of described automatic welding frame 1 is provided with work holder 3 and welder 4, and work holder 3 is for holding workpiece, and welder 4 is for welding the workpiece on work holder 3.
Wherein, described work holder 3 comprises hold-down support 5, sliding support 6 and guide rail 7, described guide rail 7 is arranged between hold-down support 5 and sliding support 6, the bottom of described hold-down support 5 is arranged on workbench 2 by bolt, the top of described hold-down support 5 has the first installing hole, the first main shaft 8 is coated with in first installing hole, first main shaft 8 is connected with the first positioning disk 9, first positioning disk 9 and the first main shaft 8 synchronous axial system, first main shaft 8 is connected by shaft coupling with between the output shaft of spindle servo electric machine 12, the bottom of described sliding support 6 is arranged in guide rail 7, the top of sliding support 6 has the second installing hole, the second main shaft 10 is coated with in second installing hole, second main shaft 10 is connected with the second positioning disk 11, second positioning disk 11 and the second main shaft 10 synchronous axial system, the workpiece of tubulose is clamped between first positioning disk 9 and the second positioning disk 11, movable bearing support can move back and forth at guide rail 7 cathetus, movable bearing support by bolt locking on guide rail 7, described workpiece rotates under the drive of spindle servo electric machine 12.After work holder 3 horizontal-clamping workpiece, rotate under the drive of spindle servo electric machine 12, select the quantity of welding gun 13 according to actual needs, many welding gun 13 to be moved to stable velocity linear, the outer wall of welding gun 13 pairs of workpiece carries out automatic welding, and welding efficiency is high, and welding quality might as well.
Wherein, described welder 4 comprises multiple welding gun 13, described workbench 2 is provided with slide unit 14, slide unit 14 is arranged along the length direction of workpiece, multiple welding gun 13 is all arranged on slide unit 14 by slide, and the rifle head of described welding gun 13, towards workpiece setting, described workbench 2 is also provided with feed servo motor 15, described feed servo motor 15 is connected by screw mandrel with between slide, and feed servo motor 15 can drive slide straight reciprocating motion on slide unit 14.
Wherein, described automatic welding frame 1 supports on the ground by four supporting legs 16, and the column 17 of described supporting leg 16 is channel-section steel, and the bottom of supporting leg 16 is supported by steel plate, and the Stability Analysis of Structures of channel-section steel, bearing capacity is large.
Wherein, described automatic welding frame 1 is evenly equipped with multiple waste residue groove 18, discarded welding slag can leak down by multiple waste residue groove 18, avoids the foreign material on workbench 2 too many.
Wherein, described guide rail 7 is also provided with multiple two blocks of wing plates 19, two pieces of wing plate 19 reversed dips are arranged, be connected by transverse slat between the bottom of two blocks of wing plates 19, transverse slat is bolted on guide rail 7 by multiple, form the horn-like upper shed of 120 ~ 150 degree between two wing plates 19, described workpiece is placed in the upper shed of two blocks of wing plates 19.
Wherein, described first positioning disk 9 is by disk 20 and the annular slot 21 being connected to disk 20 edge, first positioning disk 9 is identical with the structure of the second positioning disk 11, and the two ends of workpiece are installed in the annular slot 21 of the first positioning disk 9 and the annular slot 21 of the second positioning disk 11 respectively.
The utility model is engaged with the precision of workpiece helix by welding gun 13, ensure that the realization of helix automatic welding, the weldquality of helix weld seam is high, weldquality is apparently higher than human weld, helix weld seam is welding quality stable when long-time continuous is welded, the stability of weldquality and uniformity are apparently higher than human weld, welding efficiency is high, the welding efficiency of a spiral weld automatic welding device is equivalent to the operating efficiency of 4-6 skilled welder, so greatly reduce the manufacturing cost of product.During the work of spiral weld automatic welding device; operator only need observe; do not need long-time near welding position; therefore operator receive welding high light, welding gas and welding electromagnetic radiation harm also greatly reduce; improve working environment, protect the healthy of operator.
Wherein, handling system comprises crane arm 22, arm head 23 and suspension hook 24, crane arm 22 is telescopic arm, the rear end of crane arm 22 is supported by montant 25, arm head 23 is arranged on the front end of crane arm 22, head pulley is provided with in arm head 23, auxiliary pulley is provided with in suspension hook 24, be connected by steel wire rope between head pulley with auxiliary pulley, suspension hook 24 pumps under the drive of steel wire rope, arm head 23 there is suspension hook 24 baffle plate by hinge, crane arm 22 is provided with the first bending plate 28, first bending plate 28 entirety is L-shaped and its upper end is fixed on crane arm 22, the first opening entered for suspension hook 24 baffle plate is formed between the lower end of the first bending plate 28 and crane arm 22, first bending plate 28 has the first through hole, the first locking system 26 of locating hook 24 baffle plate is coated with in first through hole, arm head 23 is also provided with the second bending plate 29 of L shape, formed between one end of second bending plate 29 and arm head 23 towards the second opening of crane arm 22, the other end is fixed on arm head 23, second bending plate 29 has the second through hole, the second locking system 27 of locating hook 24 baffle plate is coated with in second through hole, suspension hook 24 is fixed with the 3rd bending plate, 3rd bending plate entirety is U-shaped, the groove of the upper and lower opening for clamping suspension hook 24 baffle plate is formed between 3rd bending plate and suspension hook 24.
Electric pushrod support 32 is connected with bottom suspension hook 24, electric pushrod support 32 comprises Electrohydraulic push rod 34, the top of Electrohydraulic push rod 34 is connected with suspension hook 24, the bottom of Electrohydraulic push rod 34 is connected with back shaft 33, the other end of back shaft 33 is hinged with aerofoil 35, Electrohydraulic push rod 34 bottom is connected with aerofoil 35 by umbrella opening and closing structure, umbrella open/close mechanism comprises the upper connecting rod 36 being hinged on back shaft 33 lower end, upper connecting rod 36 other end is hinged in the middle part of aerofoil 35, lower link 37 one end is hinged on slide head, the other end is hinged in the middle part of connecting rod 36, the bottom of aerofoil 35 is connected with multiple gripper 31.In use, by suspension hook 24, helix tube is lifted in automatic welding frame 1, very practical.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from the utility model aim.
Claims (7)
1. with an auto spiral welder for conveying device, it is characterized in that, comprise welding system and the handling system being arranged on welding system side;
Described welding system comprises automatic welding frame (1), the workbench (2) of described automatic welding frame (1) is provided with work holder (3) and welder (4), described work holder (3) comprises hold-down support (5), sliding support (6) and guide rail (7), described guide rail (7) is arranged between hold-down support (5) and sliding support (6), the bottom of described hold-down support (5) is arranged on workbench (2) by bolt, the top of described hold-down support (5) has the first installing hole, the first main shaft (8) is coated with in first installing hole, first main shaft (8) is connected with the first positioning disk (9), first positioning disk (9) and the first main shaft (8) synchronous axial system, first main shaft (8) is connected by shaft coupling with between the output shaft of spindle servo electric machine (12), the bottom of described sliding support (6) is arranged in guide rail (7), the top of sliding support (6) has the second installing hole, the second main shaft (10) is coated with in second installing hole, second main shaft (10) is connected with the second positioning disk (11), second positioning disk (11) and the second main shaft (10) synchronous axial system, the workpiece of tubulose is clamped between first positioning disk (9) and the second positioning disk (11), movable bearing support can move back and forth at guide rail (7) cathetus, movable bearing support by bolt locking on guide rail (7), described workpiece rotates under the drive of spindle servo electric machine (12),
Described handling system comprises crane arm (22), arm head (23) and suspension hook (24), described crane arm (22) is telescopic arm, the rear end of crane arm (22) is supported by flexible montant (25), described arm head (23) is arranged on the front end of crane arm (22), described arm head is provided with head pulley in (23), described suspension hook is provided with auxiliary pulley in (24), described head pulley is connected by steel wire rope with between auxiliary pulley, described suspension hook (24) pumps under the drive of steel wire rope, described arm head (23) there is suspension hook (24) baffle plate by hinge, described crane arm (22) is provided with the first bending plate (28), described first bending plate (28) entirety is L-shaped and its upper end is fixed on crane arm (22), the first opening entered for suspension hook (24) baffle plate is formed between the lower end of the first bending plate (28) and crane arm (22), described first bending plate (28) has the first through hole, first locking system (26) of locating hook (24) baffle plate is coated with in described first through hole, described arm head (23) is also provided with second bending plate (29) of L shape, formed between one end of described second bending plate (29) and arm head (23) towards the second opening of crane arm (22), the other end is fixed on arm head (23), (29) have the second through hole to second bending plate, second locking system (27) of locating hook (24) baffle plate is coated with in described second through hole, described suspension hook (24) is fixed with the 3rd bending plate, described 3rd bending plate entirety is U-shaped, the groove being used for the upper and lower opening clamping suspension hook (24) baffle plate is formed between 3rd bending plate and suspension hook (24).
2. a kind of auto spiral welder with conveying device according to claim 1, it is characterized in that, described welder (4) comprises multiple welding gun (13), described workbench (2) is provided with slide unit (14), slide unit (14) is arranged along the length direction of workpiece, multiple welding gun (13) is all arranged on slide unit (14) by slide, the rifle head of described welding gun (13) is towards workpiece setting, described workbench (2) is also provided with feed servo motor (15), described feed servo motor (15) is connected by screw mandrel with between slide, feed servo motor (15) can drive slide in the upper straight reciprocating motion of slide unit (14).
3. a kind of auto spiral welder with conveying device according to claim 2, it is characterized in that, described suspension hook (24) bottom is connected with electric pushrod support (32), electric pushrod support (32) comprises Electrohydraulic push rod (34), the top of Electrohydraulic push rod (34) is connected with suspension hook (24), the bottom of Electrohydraulic push rod (34) is connected with back shaft (33), the other end of back shaft (33) is hinged with aerofoil (35), Electrohydraulic push rod (34) bottom is connected with aerofoil (35) by umbrella opening and closing structure, described umbrella open/close mechanism comprises the upper connecting rod (36) being hinged on back shaft (33) lower end, upper connecting rod (36) other end is hinged on aerofoil (35) middle part, the bottom of described aerofoil (35) is connected with multiple gripper (31).
4. a kind of auto spiral welder with conveying device according to claim 3, it is characterized in that, described automatic welding frame (1) is supported on the ground by four supporting legs (16), the column (17) of described supporting leg (16) is channel-section steel, and the bottom of supporting leg (16) is supported by steel plate.
5. a kind of auto spiral welder with conveying device according to claim 4, is characterized in that, described automatic welding frame (1) is evenly equipped with multiple waste residue groove (18).
6. a kind of auto spiral welder with conveying device according to claim 5, it is characterized in that, described guide rail (7) is also provided with multiple two pieces of wing plates (19), two pieces of wing plate (19) reversed dips are arranged, be connected by transverse slat between the bottom of two pieces of wing plates (19), transverse slat is bolted on guide rail (7) by multiple, and form the horn-like upper shed of 120 ~ 150 degree between two wing plates (19), described workpiece is placed in the upper shed of two pieces of wing plates (19).
7. a kind of auto spiral welder with conveying device according to claim 6, it is characterized in that, described first positioning disk (9) is by disk (20) and the annular slot (21) being connected to disk (20) edge, first positioning disk (9) is identical with the structure of the second positioning disk (11), and the two ends of workpiece are installed in the annular slot (21) of the first positioning disk (9) and the annular slot (21) of the second positioning disk (11) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520352297.8U CN204673179U (en) | 2015-05-27 | 2015-05-27 | A kind of auto spiral welder with conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520352297.8U CN204673179U (en) | 2015-05-27 | 2015-05-27 | A kind of auto spiral welder with conveying device |
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| CN204673179U true CN204673179U (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520352297.8U Expired - Fee Related CN204673179U (en) | 2015-05-27 | 2015-05-27 | A kind of auto spiral welder with conveying device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106542419A (en) * | 2017-01-13 | 2017-03-29 | 哈电集团（秦皇岛）重型装备有限公司 | Large scale bull flexible screw tube assembly equipment for supporting patient with burn and turn-over method |
| CN107138856A (en) * | 2017-06-30 | 2017-09-08 | 安徽悦众车身装备有限公司 | The braking wheel disc welding of vehicle front venting plate jaw type and palletizing apparatus |
| CN107160082A (en) * | 2017-06-30 | 2017-09-15 | 安徽悦众车身装备有限公司 | Spindle case weld is clamped and handling device |
| CN107553031A (en) * | 2017-08-29 | 2018-01-09 | 湖州吴兴华隆机械有限公司 | A kind of auto parts welding clamping device |
| CN107775222A (en) * | 2017-12-08 | 2018-03-09 | 威海科莱默自动化设备有限公司 | A kind of auto spiral bonding machine and its welding method |
| CN108357107A (en) * | 2018-04-12 | 2018-08-03 | 浙江大学 | A kind of rotational moulding hull bottom automatic welding clamping pressing mechanism |
| CN110640391A (en) * | 2019-10-23 | 2020-01-03 | 福州新盛达钢构有限公司 | Steel constructs welding and uses auxiliary seat |
| CN114248059A (en) * | 2022-03-02 | 2022-03-29 | 山东鸿瑞照明科技有限公司 | Large-scale welding auxiliary device |
| CN114654143A (en) * | 2022-05-24 | 2022-06-24 | 湖北工业大学 | Intelligent welding machine tool based on voice control |
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2015
- 2015-05-27 CN CN201520352297.8U patent/CN204673179U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106542419A (en) * | 2017-01-13 | 2017-03-29 | 哈电集团（秦皇岛）重型装备有限公司 | Large scale bull flexible screw tube assembly equipment for supporting patient with burn and turn-over method |
| CN106542419B (en) * | 2017-01-13 | 2018-03-27 | 哈电集团（秦皇岛）重型装备有限公司 | Large scale bull flexible screw tube assembly equipment for supporting patient with burn and turn-over method |
| CN107138856A (en) * | 2017-06-30 | 2017-09-08 | 安徽悦众车身装备有限公司 | The braking wheel disc welding of vehicle front venting plate jaw type and palletizing apparatus |
| CN107160082A (en) * | 2017-06-30 | 2017-09-15 | 安徽悦众车身装备有限公司 | Spindle case weld is clamped and handling device |
| CN107553031A (en) * | 2017-08-29 | 2018-01-09 | 湖州吴兴华隆机械有限公司 | A kind of auto parts welding clamping device |
| CN107775222A (en) * | 2017-12-08 | 2018-03-09 | 威海科莱默自动化设备有限公司 | A kind of auto spiral bonding machine and its welding method |
| CN108357107A (en) * | 2018-04-12 | 2018-08-03 | 浙江大学 | A kind of rotational moulding hull bottom automatic welding clamping pressing mechanism |
| CN110640391A (en) * | 2019-10-23 | 2020-01-03 | 福州新盛达钢构有限公司 | Steel constructs welding and uses auxiliary seat |
| CN114248059A (en) * | 2022-03-02 | 2022-03-29 | 山东鸿瑞照明科技有限公司 | Large-scale welding auxiliary device |
| CN114248059B (en) * | 2022-03-02 | 2022-05-24 | 山东鸿瑞照明科技有限公司 | Large-scale welding auxiliary device |
| CN114654143A (en) * | 2022-05-24 | 2022-06-24 | 湖北工业大学 | Intelligent welding machine tool based on voice control |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20160527 |
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| CF01 | Termination of patent right due to non-payment of annual fee |