CN108687458B - Metal mesh butt welding device - Google Patents

Metal mesh butt welding device Download PDF

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Publication number
CN108687458B
CN108687458B CN201810903439.3A CN201810903439A CN108687458B CN 108687458 B CN108687458 B CN 108687458B CN 201810903439 A CN201810903439 A CN 201810903439A CN 108687458 B CN108687458 B CN 108687458B
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roller
shaped
door
welding
frame
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CN108687458A (en
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俞嘉陈
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Harbin Wanji Machinery and Electronics Co.,Ltd.
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Zhejiang College of Construction
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Resistance Welding (AREA)

Abstract

The invention discloses a metal mesh butt welding device, and mainly relates to the field of building facilities. The metal mesh material butt welding device comprises a rack assembly, a finishing assembly and a butt welding assembly, wherein the finishing assembly is fixed on the rack assembly and comprises a driving roller and a driven roller which are used for feeding metal mesh materials and a feeding roller which is used for feeding lining materials, and the butt welding assembly comprises a front clamping roller, a rear clamping roller and a welding gun arranged between the front clamping roller and the rear clamping roller which are arranged in the front and at the back. The invention has the beneficial effects that: the butt welding machine can efficiently butt-joint weld metal nets, is firm in welding, attractive in appearance and good in quality, and greatly saves labor cost of construction sites.

Description

Metal mesh butt welding device
Technical Field
The invention relates to the field of building facilities, in particular to a metal mesh butt welding device.
Background
On a building construction site, metal mesh is often used. Since the application area and range are often large, the metal mesh generally needs to be cut, connected, and the like. Because one side of the section of a common metal net is a grid with breakpoints, and the metal net to be processed has larger and longer application requirements, the difficulty of manual welding is very high, the labor intensity is high, the cost is high, the problem of difficult butt joint often exists, the welding quality and level are also influenced by the objective factors, the welding seam is irregular and easy to break, and the metal net is not firm and attractive.
Disclosure of Invention
The invention aims to provide a metal mesh butt welding device which can efficiently butt weld metal meshes, is firm and attractive in welding and good in quality, and greatly saves labor cost of a construction site.
In order to achieve the purpose, the invention is realized by the following technical scheme:
metal mesh butt welding device includes:
the frame assembly comprises a front fixing seat and a rear fixing seat, the front fixing seat and the rear fixing seat are fixedly connected, the front fixing seat is symmetrically provided with a fin plate at the left and right, two ends of the fin plate are provided with right-angle mounting grooves, the bottom surface of the mounting groove is obliquely arranged, the rear fixing seat is provided with a door-shaped baffle plate, the lower part of the door-shaped baffle plate is distributed with a row of roller shafts along the front and rear direction, the roller shafts are rotatably connected with conveying rollers,
the arrangement assembly comprises an L-shaped installation frame and a vertical frame, the L-shaped installation frame is installed and fixed in the installation groove, openings of the L-shaped installation frame are arranged oppositely, a driving roller is rotatably installed on the L-shaped installation frame and driven by a motor, a driven roller matched with the driving roller and used for compressing the metal mesh is arranged above the driving roller, the driven roller is rotatably sleeved on the installation shaft, an adjusting block fixedly connected with the outer end of the installation shaft is arranged at the outer end of the installation shaft, a screw rod is arranged on the adjusting block, a strip-shaped hole is formed in the upper portion of the L-shaped installation frame, the screw rod penetrates through the strip-shaped hole outwards and is fastened by a nut, the inner ends of the driving roller and the driven roller are both obliquely arranged upwards, the inner ends of the driving roller and the driven roller are inclined by 5-10 degrees towards the front far away from the, the top of the vertical frame is provided with an installation block, the inner end of the installation shaft is rotationally connected with the two sides of the installation block, the top surface of the installation block is provided with a door-shaped frame fixed with the installation block, the door-shaped frame is internally provided with feeding rollers which are arranged symmetrically left and right, and a gap between the feeding rollers and the door-shaped frame is used for feeding the strip-shaped lining plate,
the butt welding assembly comprises a welding gun, a welding gun support, a front clamping roller and a rear clamping roller, wherein the front clamping roller and the rear clamping roller are respectively rotatably mounted at the top of the door-shaped baffle, the front clamping roller and the rear clamping roller are arranged side by side about two, the rear clamping roller is arranged side by side about two, the welding gun is fixed on the welding gun support, and the welding gun support is fixed in the door-shaped baffle.
The feeding roller is provided with a front row and a rear row, wherein one of the feeding rollers is driven by a motor.
And the feeding roller is provided with a clamping groove adapted to the strip-shaped lining plate.
2-4 roll shafts close to the opening at the front side of the door-shaped frame incline downwards to form a slope.
The roller shaft is arranged on the inner wall of the door-shaped frame, a supporting platform is arranged on the lower portion of the inner wall of the door-shaped frame, a movable supporting plate is arranged below the roller shaft and placed on the supporting platform, the area of the movable supporting plate is matched with the inner cross section of the door-shaped frame, a stop block is arranged at the position, close to the edge of the front side, of the bottom of the movable supporting plate, and the stop block is used for being matched with the supporting platform of the front side to limit the front position and.
The front side of the movable supporting plate is positioned in the door-shaped frame, and the rear side of the movable supporting plate penetrates out of the door-shaped frame and is positioned outside the door-shaped frame.
The horn pulley is all installed to the bottom of preceding fixing base and back fixing base, the horn pulley is the horn pulley of straight line walking, and one of them install driving motor on the horn pulley.
Compared with the prior art, the invention has the beneficial effects that:
two metal nets needing to be welded and connected respectively pass through the driving roller and the driven roller which are symmetrically arranged at the left side and the right side (the connection side is oppositely arranged inside), and the lining plate (strip-shaped) passes through the middle of the feeding roller. After the device is started, the driving roller and the driven roller on the two sides continuously push the metal net backwards, and because the inner ends of the driving roller and the driven roller are inclined upwards and also inclined forwards, the inner side edge of the metal net pushed to the rear part by the inner ends of the driving roller and the driven roller is tilted upwards, and the metal nets at the two sides are all closed towards the center, thereby forming a herringbone shape near the central axis, and through two parallel symmetrically arranged wallet material rollers, the flared opening is naturally formed at the entrance because of the round structure, the metal mesh and the lining plate can be effectively clamped together, the side edges adjacent to the metal mesh and the lining plate in the middle form a sandwich structure, and the state is fixed through the rear clamping roller at the rear part, welding operation is carried out through a welding gun arranged between the two clamping rollers, and the welding connection of the metal mesh can be efficiently and high-quality completed. After the connection, the metal nets on the two sides of the welding seam are leveled, so that the effect of the invisible welding seam formed by welding and connecting the two metal nets can be realized, and the welding seam is neat and attractive. And the welding part is greatly increased due to the addition of the lining plate, so that the firmness of the joint is improved, and the welding quality is improved.
Drawings
FIG. 1 is a schematic front view (from the feed side) of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a schematic view of the welded metal mesh and backing plate of the present invention.
Fig. 4 is a schematic view of the flattened wire mesh and backing sheet of the present invention.
Reference numerals shown in the drawings:
1. a front fixed seat; 2. an L-shaped mounting bracket; 3. a fin plate; 4. a gate-type baffle; 5. a conveying roller; 6. erecting a frame; 7. a drive roll; 8. a driven roller; 9. an adjusting block; 10. a screw; 11. a strip-shaped hole; 12. a nut; 13. mounting blocks; 14. a gantry frame; 15. a feeding roller; 16. a card slot; 17. a welding gun; 18. a front material clamping roller; 19. a rear clamping roller; 20. a saddle; 21. a movable supporting plate; 22. and a stop block.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
The invention relates to a metal mesh butt welding device, which comprises a main structure:
the frame assembly, the frame assembly includes preceding fixing base 1 and after-fixing base, and preceding fixing base 1 is used for the relevant subassembly of fixed feeding, and the after-fixing base is used for the relevant subassembly of fixed welding operation. Preceding fixing base 1 and back fixing base fixed connection, bilateral symmetry is equipped with fin plate 3 on the preceding fixing base 1, the mounting groove at right angle is equipped with at the both ends of fin plate 3, the bottom surface slope of mounting groove sets up, be equipped with door type baffle 4 on the back fixing base, the lower part of door type baffle 4 distributes along the fore-and-aft direction has one row of roller, it is connected with conveying roller 5 to rotate on the roller, because some metal mesh is more heavy, only impels comparatively difficultly through parts centre gripping such as gyro wheel, the roller that this device set up, still can cause the influence to the connection angle, so set up conveying roller 5, the resistance that the feeding was marchd backward to the reduction metal mesh that can be great, make the metal mesh keep appropriate angle and form impel backward. Meanwhile, according to the requirement, electric power can be arranged on the conveying roller 5, so that the backward conveying of the metal mesh is further matched, and the backward conveying speed is matched with the feeding speed.
The arrangement assembly, the arrangement assembly includes L type mounting bracket 2 and grudging post 6, 2 erection fixings of L type mounting bracket are in the mounting groove, the mouth of opening of L type mounting bracket 2 sets up relatively, rotatable drive roll 7 of installing on the L type mounting bracket 2, drive roll 7 passes through motor drive, the top of drive roll 7 is equipped with the driven voller 8 that is used for compressing tightly the metal mesh rather than the cooperation, the driven voller 8 is rotatable cup joints on the installation axle, and drive roll 7 and driven voller 8 are parallel about and join in marriage the setting, and through the centre gripping cooperation of drive roll 7 and driven voller 8, with the continuous pay-off backward of metal mesh, guarantee the continuous high-efficient operation of welded. The outer end of the mounting shaft is provided with an adjusting block 9 fixedly connected with the mounting shaft, the adjusting block 9 is provided with a screw rod 10, the upper part of the L-shaped mounting frame 2 is provided with a strip-shaped hole 11, the screw rod 10 outwards penetrates through the strip-shaped hole 11 and is fastened through a nut 12, so that gaps between the driving roller 7 and the driven roller 8 can be adjusted according to the thickness, surface smoothness and clamping requirements of different metal nets, the inner ends of the driving roller 7 and the driven roller 8 are upwards obliquely arranged, the inner ends of the driving roller 7 and the driven roller 8 are obliquely inclined 5-10 degrees towards the front far away from the rear fixing seat, as the inner ends of the driving roller 7 and the driven roller 8 are obliquely upwards and forwards, the inner side edges of the metal nets pushed to the rear direction by the driving roller 7 are upwards tilted, and the metal nets at the two sides are all closed towards the center, so that a herringbone shape is formed near the central axis, the inboard side of the metal mesh of both sides and the interior liner strip that lies in central axis department form 121's sandwich overall arrangement, 6 vertical settings in the middle part of preceding fixing base 1 of grudging post, the top of grudging post 6 is equipped with installation piece 13, the inner of installation axle is rotated with the both sides of installation piece 13 and is connected, be equipped with on the top surface of installation piece 13 rather than fixed door type frame 14, be equipped with feeding roller 15 in the door type frame 14, 15 bilateral symmetry settings of feeding roller, and the gap between the two is used for the feeding of bar welt for lasting backward pay-off (liner strip).
Butt welding assembly, the butt welding assembly includes welder 17, welder support, preceding double-layered material gyro wheel 18, back double-layered material gyro wheel 19, preceding double-layered material gyro wheel 18 and back double-layered material gyro wheel 19 are rotatable respectively and install the top at door type baffle 4, preceding double-layered material gyro wheel 18 sets up side by side for two and controlling, and the entrance is because its circular structure and the mouth that opens of natural formation horn mouth, can effectually with metal mesh and welt clip together, make the adjacent side of metal mesh and the sandwich structure of welt formation sandwich in the middle of, back double-layered material gyro wheel sets up side by side for two and controlling, welder 17 fixes on the welder support, the welder support is fixed in door type baffle 4. The state is fixed by the rear material clamping roller 19, and the welding operation is carried out by the welding gun 17 arranged between the two material clamping rollers, so that the welding connection of the metal mesh can be efficiently and high-quality completed.
In order to improve the stability and fixation of the running track of the lining plate strip and enable the welding line to be more tidy, the feeding rollers 15 are provided with a front row and a rear row, and one of the feeding rollers 15 is driven by a motor.
In order to better position and clamp the lining plate strip and prevent the lining plate strip from falling off, the feeding roller 15 is provided with a clamping groove 16 which is matched with the strip-shaped lining plate used. When the lining board strips are clamped backwards for feeding, the height of the lining board strips at the clamping grooves 16 can be stably and accurately kept, and the lining board strips are better matched with metal nets on two sides in position.
In order to conveniently support the metal mesh, 2-4 roll shafts close to the opening at the front side of the door-shaped frame 14 are inclined downwards to form a slope.
Because the welding process is dangerous, and a large amount of welding slag that drops, the lower part of door type frame 14 inner wall is equipped with saddle 20, the below of roller is equipped with movable layer board 21, movable layer board 21 is placed on saddle 20, the area size of movable layer board 21 suits with the inside cross-section of door type frame 14, the bottom of movable layer board 21 is close to front side edge and is equipped with dog 22, dog 22 is used for spacing the front and back position of movable layer board 21 with the cooperation of the saddle 20 of front side. Can effectively keep apart welded dangerous operation area through door type baffle 4, greatly increased welding jobs's security improves building site operation safety level. The layer board can connect to get debris rubbish such as welding slag that drops, and convenient clearance improves the management level of site operation on the one hand, and on the other hand, the job site is comparatively complicated, and multiple combustible object such as heat preservation cotton, wooden board probably stacks scattered more, and the connection of layer board is got and is kept apart with door type baffle 4, can all surround welding operation and the high temperature welding slag that produces, mars in a relatively safe within range, avoids welding slag, mars to drop, splash and cause the safety problem.
The front side of the movable supporting plate 21 is positioned inside the door-shaped frame 14, and the rear side of the movable supporting plate 21 penetrates through the door-shaped frame 14 and is positioned outside the door-shaped frame.
The horn pulley is all installed to the bottom of preceding fixing base 1 and rear mounting, the horn pulley is the horn pulley of straight line walking, and one of them install driving motor on the horn pulley. The design is mainly used for matching with a large area or a heavy metal mesh, and the welding is completed by replacing the movement of the metal mesh with the movement of the welding device (namely, the device gradually moves backwards along with the welding, and the metal mesh is not moved). Therefore, the welding device is suitable for the welding operation of large-area metal nets, replaces manual labor, not only can obtain high-quality welding quality, but also can obviously improve the operation efficiency and reduce the construction cost.
Example (b): metal mesh butt welding device, the major structure includes:
the frame assembly, the frame assembly includes preceding fixing base 1 and after-fixing base, preceding fixing base 1 and after-fixing base fixed connection, bilateral symmetry's the finned plate 3 that is equipped with on the preceding fixing base 1, the both ends of finned plate 3 are equipped with the mounting groove at right angle, the bottom surface slope of mounting groove sets up, be equipped with door type baffle 4 on the after-fixing base, door type baffle 4's lower part distributes along the fore-and-aft direction has one row of roller, it is connected with conveying roller 5 to rotate on the roller, is close to 3 of 14 front side openings parts of door type frame the roller downward sloping forms domaticly. The lower part of the inner wall of the door-shaped frame 14 is provided with a supporting platform 20, a movable supporting plate 21 is arranged below the roller shaft, the movable supporting plate 21 is placed on the supporting platform 20, the area of the movable supporting plate 21 is matched with the inner section of the door-shaped frame 14, a stop block 22 is arranged at the position, close to the front side edge, of the bottom of the movable supporting plate 21, and the stop block 22 is used for being matched with the supporting platform 20 on the front side to limit the front and back positions of the movable supporting plate 21. The front side of the movable supporting plate 21 is positioned inside the door-shaped frame 14, and the rear side of the movable supporting plate 21 penetrates through the door-shaped frame 14 and is positioned outside the door-shaped frame.
The arrangement assembly comprises an L-shaped installation frame 2 and a vertical frame 6, the L-shaped installation frame 2 is installed and fixed in an installation groove, the opening of the L-shaped installation frame 2 is arranged oppositely, a driving roller 7 is rotatably installed on the L-shaped installation frame 2, the driving roller 7 is driven by a motor, a driven roller 8 matched with the driving roller 7 and used for compressing a metal net is arranged above the driving roller 7, the driven roller 8 is rotatably sleeved on the installation shaft, an adjusting block 9 fixedly connected with the outer end of the installation shaft is arranged at the outer end of the installation shaft, a screw rod 10 is arranged on the adjusting block 9, a strip-shaped hole 11 is arranged at the upper part of the L-shaped installation frame 2, the screw rod 10 outwards penetrates through the strip-shaped hole 11 and is fastened through a nut 12, the inner ends of the driving roller 7 and the driven roller 8 are both upwards obliquely arranged, and the inner ends of the driving roller 7 and the, the utility model discloses a quick-witted, including grudging post 6, preceding fixing base 1, the top of grudging post 6 is equipped with installation piece 13, the inner of installation axle is rotated with the both sides of installation piece 13 and is connected, be equipped with on the top surface of installation piece 13 rather than fixed door type frame 14, be equipped with feeding roller 15 in the door type frame 14, feeding roller 15 bilateral symmetry sets up, and the gap between the two is used for the feeding of bar welt, feeding roller 15 is provided with two rows, one of them feeding roller 15 passes through motor drive. And a clamping groove 16 matched with the used strip-shaped lining plate is arranged on the feeding roller 15.
The butt welding assembly comprises a welding gun 17, a welding gun support, a front clamping roller 18 and a rear clamping roller 19, wherein the front clamping roller 18 and the rear clamping roller 19 are respectively rotatably mounted at the top of the door-shaped baffle 4, the front clamping roller 18 is arranged side by side for two and the left and the right, the rear clamping roller is arranged side by side for two and the left and the right, the welding gun 17 is fixed on the welding gun support, and the welding gun support is fixed in the door-shaped baffle 4.

Claims (7)

1. Expanded metal butt welding device, its characterized in that includes:
the automatic feeding device comprises a rack assembly, wherein the rack assembly comprises a front fixing seat (1) and a rear fixing seat, the front fixing seat (1) is fixedly connected with the rear fixing seat, fin plates (3) are symmetrically arranged on the front fixing seat (1) in a bilateral mode, right-angle mounting grooves are formed in two ends of each fin plate (3), the bottom surfaces of the mounting grooves are obliquely arranged, a door-shaped baffle (4) is arranged on the rear fixing seat, a row of roller shafts are distributed on the lower portion of the door-shaped baffle (4) along the front-back direction, conveying rollers (5) are rotatably connected onto the roller shafts,
the arrangement assembly comprises an L-shaped installation frame (2) and a vertical frame (6), the L-shaped installation frame (2) is fixedly installed in an installation groove, openings of the L-shaped installation frame (2) are oppositely arranged, a driving roller (7) is rotatably installed on the L-shaped installation frame (2), the driving roller (7) is driven by a motor, a driven roller (8) which is matched with the driving roller (7) and is used for compressing a metal net is arranged above the driving roller (7), the driven roller (8) is rotatably sleeved on the installation shaft, an adjusting block (9) fixedly connected with the driving roller is arranged at the outer end of the installation shaft, a screw rod (10) is arranged on the adjusting block (9), a strip-shaped hole (11) is formed in the upper portion of the L-shaped installation frame (2), the screw rod (10) penetrates through the strip-shaped hole (11) outwards and is fastened through a nut (12), and the inner ends of the driving roller (7) and the driven roller, and the inner ends of the driving roller (7) and the driven roller (8) incline 5-10 degrees to the front far away from the rear fixing seat, the vertical stand (6) is vertically arranged in the middle of the front fixing seat (1), the top of the vertical stand (6) is provided with an installation block (13), the inner end of the installation shaft is rotatably connected with the two sides of the installation block (13), the top surface of the installation block (13) is provided with a door-shaped frame (14) fixed with the installation block, the door-shaped frame (14) is internally provided with feeding rollers (15), the feeding rollers (15) are arranged in bilateral symmetry, and a gap between the two is used for feeding of the strip-shaped lining plate,
the butt welding assembly comprises a welding gun (17), a welding gun support, a front clamping roller (18) and a rear clamping roller (19), wherein the front clamping roller (18) and the rear clamping roller (19) are respectively rotatably mounted at the top of the door-shaped baffle (4), the front clamping roller (18) is arranged side by side for two and the left and the right, the rear clamping roller is arranged side by side for two and the left and the right, the welding gun (17) is fixed on the welding gun support, and the welding gun support is fixed in the door-shaped baffle (4).
2. The apparatus for butt-welding expanded metal according to claim 1, wherein: the feeding rollers (15) are provided with a front row and a rear row, wherein one feeding roller (15) is driven by a motor.
3. The apparatus for butt-welding expanded metal according to claim 1, wherein: and a clamping groove (16) which is matched with the used strip-shaped lining plate is arranged on the feeding roller (15).
4. The apparatus for butt-welding expanded metal according to claim 1, wherein: 2-4 roll shafts close to the opening at the front side of the door-shaped frame (14) incline downwards to form a slope.
5. The apparatus for butt-welding expanded metal according to claim 1, wherein: the lower part of the inner wall of the door-shaped frame (14) is provided with a supporting table (20), a movable supporting plate (21) is arranged below the roller shaft, the movable supporting plate (21) is placed on the supporting table (20), the area of the movable supporting plate (21) is matched with the inner cross section of the door-shaped frame (14), a stop block (22) is arranged at the edge of the bottom of the movable supporting plate (21), which is close to the front side, and the stop block (22) is used for limiting the front position and the rear position of the movable supporting plate (21) by being matched with the supporting table (20) at the front side.
6. The apparatus for butt-welding expanded metal according to claim 5, wherein: the front side of the movable supporting plate (21) is positioned in the door-shaped frame (14), and the rear side of the movable supporting plate (21) penetrates out of the door-shaped frame (14) and is positioned outside the door-shaped frame.
7. The apparatus for butt-welding expanded metal according to claim 1, wherein: the corner wheel is installed to the bottom of preceding fixing base (1) and rear mounting all, the corner wheel is the corner wheel of straight line walking, and one of them install driving motor on the corner wheel.
CN201810903439.3A 2018-08-09 2018-08-09 Metal mesh butt welding device Active CN108687458B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201810903439.3A CN108687458B (en) 2018-08-09 2018-08-09 Metal mesh butt welding device

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CN108687458B true CN108687458B (en) 2020-06-23

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Publication number Priority date Publication date Assignee Title
CN111774691A (en) * 2020-07-28 2020-10-16 浙江路鑫交通设施工程有限公司 Efficient and safe isolation net automatic welding equipment and working method thereof
CN112809238B (en) * 2021-02-09 2022-12-16 上海市机械施工集团有限公司 Reinforcing mesh welding method

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GB854717A (en) * 1958-12-09 1960-11-23 Gasaccumulator Svenska Ab Improved method of and apparatus for manufacturing heating radiators
WO2004101190A1 (en) * 2003-05-14 2004-11-25 Corus Bausysteme Gmbh Method for bending a standing-seam sheet metal section supplied in a web and a device for carrying out said method
JP2010264462A (en) * 2009-05-12 2010-11-25 Miyachi Technos Corp Wire net joining method
CN201735656U (en) * 2010-05-26 2011-02-09 福建省万坤顺建筑节能有限公司 Metal net double wave forming machine
GR20120100644A (en) * 2012-12-21 2014-07-18 Παυλος Δημητριου Λεκκακης Machine for welding protective angular lamellae at the end edge of metal mesh rollers
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Effective date of registration: 20221222

Address after: 230000 Room 203, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province

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Patentee after: Harbin Wanji Machinery and Electronics Co.,Ltd.

Address before: 230000 Room 203, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province

Patentee before: Hefei Jiuzhou Longteng scientific and technological achievement transformation Co.,Ltd.