CN217290223U

CN217290223U - Electrodeless flexible welding net production line

Info

Publication number: CN217290223U
Application number: CN202220072955.8U
Authority: CN
Inventors: 丁国民
Original assignee: Tianjin Yinfeng Machinery System Engineering Co ltd
Current assignee: Tianjin Yinfeng Machinery System Engineering Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-08-26
Anticipated expiration: 2032-01-12

Abstract

The utility model provides an electrodeless flexible welding net production line, a serial communication port, including indulging muscle supply system, horizontal muscle supply system, automatic welding machine, traction system and curved net system, indulge muscle supply system and horizontal muscle supply system and be located the right side of automatic welding machine, traction system is located the automatic welding machine left side and is used for realizing bending for curved net system with the good net piece supply of welding, curved net system includes that the perpendicular to indulges the guide rail that the muscle set up, installs two curved net machines on the guide rail and lifts the mechanism, and the distance between two curved net machines is adjustable. The beneficial effects are as follows: the full-automatic welding and bending of the flexible welding nets with different densities are realized, and the production efficiency is high.

Description

Electrodeless flexible welding net production line

Technical Field

The utility model relates to a metal processing technology field, concretely relates to electrodeless flexible welding net production line.

Background

The flexible welded mesh is mainly used for building meshes, football fields, railways, highways, bridges, buildings, residential districts, goods shelves, storage cages and the like, in the steel bar welded mesh operation, a longitudinal rib is one of workpiece raw materials for realizing welding, the longitudinal rib is required to be distributed into longitudinal rib groups which are parallel to each other and have equal intervals when being welded, and then a transverse rib is welded on the longitudinal rib by a welding machine part, so that the steel bar mesh is welded, the conventional welded mesh production line can only distribute the longitudinal rib and the transverse rib with fixed intervals, the equipment application range is narrow, and the requirement for producing the welded meshes with different densities is difficult to meet.

Therefore, the company develops a longitudinal bar supply system with adjustable longitudinal bar spacing and a transverse bar supply system with adjustable transverse bar spacing respectively, wherein the longitudinal bar supply system comprises an automatic bar arrangement machine, a line collecting frame, a longitudinal bar placing vehicle and a longitudinal bar towing vehicle (the specific structure can refer to patent application document 202011544948.5), the transverse bar supply system comprises an automatic bar arrangement machine, a line collecting frame, a transverse bar transverse connection machine, a transverse bar transport vehicle and a transverse bar delivery machine, through the functioning speed and the intermittent time of adjusting horizontal muscle delivery machine, realize the adjustment to the horizontal muscle density of flexible welding net (specific structure can refer to patent application document 202121702566.0), finally indulge the horizontal muscle of muscle supply system and horizontal muscle supply system supply and indulge the muscle and weld on automatic welding machine, the interval of welding between the level piece on automatic welding machine can be adjusted (specific structure can refer to patent application document 202011544948.5) according to the distance of indulging between the muscle and realized the density adjustment of flexible welding net.

Still need carry out the plastic to horizontal muscle after the flexible welding net welding is accomplished and bend, how to weld the net with the flexibility and pull curved net machine department smoothly, and make curved net machine can deal with the welding net of different density, become the problem that awaits a urgent need to solve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem and designing a full-automatic flexible welding net production line. The specific design scheme is as follows:

the utility model provides an electrodeless flexible welding net production line, includes vertical muscle supply system, horizontal muscle supply system, automatic welding machine, traction system and bent net system, and vertical muscle supply system and horizontal muscle supply system are located the right side of automatic welding machine, and traction system is located the automatic welding machine left side and is used for supplying the curved net system with the net piece that welds well and realize bending, the bent net system includes the guide rail that the perpendicular to was indulged the muscle and is set up, installs two bent net machines and the lifting mechanism on the guide rail, and the distance between two bent net machines is adjustable.

Specifically, the traction system comprises an upper net pulling slide way and a lower net pulling slide way, the lower net pulling slide way is positioned on one side, close to the automatic welding machine, below the upper net pulling slide way, an upper net pulling trolley and an upper net pulling trolley are mounted on the upper net pulling slide way, the upper net pulling trolley is close to the bent net system, the lower net pulling slide way is provided with a lower net pulling trolley, and the upper net pulling trolley, the upper net pulling trolley and the lower net pulling trolley all slide on the upper net pulling slide way and the lower net pulling slide way through traction mechanisms.

The upper net-pulling trolley comprises a rotating shaft, the rotating shaft is connected with a traction main connecting plate positioned on the front side and the rear side in a rotating mode, the rotation of the rotating shaft is achieved through a clamping cylinder, a fixing arm and a rotating arm are installed on the right side of the rotating shaft, the fixing arm is fixedly connected with the rotating shaft, the front end of the rotating arm penetrates through a strip-shaped through hole in the fixing arm and is connected with a clamping transverse rib in a rotating mode through the fixing arm, and the rotating arm rotates through an upper net-pulling cylinder.

Specifically, the fixed arm of the net pushing-up trolley faces the net bending system, and the length of the fixed arm of the net pushing-up trolley is longer than that of the fixed arm of the net pulling-up trolley.

The utility model discloses a pull net car is including parallel arrangement's the main beam of hauling net, the fixed beam of hauling net and the sliding beam of hauling net, and the sliding beam bottom of hauling net is provided with the track linking arm of the horizontal muscle of perpendicular to, and the fixed beam of hauling net passes through the slider and realizes that the slide rail along the track linking arm slides, the sliding beam of hauling net is by fixing the sliding cylinder drive on the fixed beam of hauling net, the fixed hook of hauling net that a plurality of arrays distribute is installed on the right side of the fixed beam of hauling net, and the right-hand member of the sliding beam of hauling net installs the slip hook of hauling net the same quantity with fixed hook of hauling net, the fixed beam of hauling net passes through the trip shaft and is connected with the rotation of the main beam of hauling net, and the left side of the main beam of hauling net articulates there is the upset cylinder the jar axle of upset cylinder and the fixed beam is articulated through long rack.

Specifically, the base is installed to net bender bottom, and gliding slider on the guide rail is installed to the bottom of base, and the removal of net bender is realized through actuating mechanism, actuating mechanism is including installing in the frame with the parallel rack of guide rail, the tooth of rack is located the rack upper surface, install the gear with rack toothing on the base, the gear is including installing drive gear and the driven gear in bottom surface open-ended walking gear box, and drive gear cover is established on servo motor's output shaft, driven gear be located drive gear below and with drive gear and rack toothing.

Specifically, the base bottom is provided with and is no less than two sets of stop gear, stop gear includes die clamping cylinder and die clamping cylinder both ends articulated clamp arm, the one end that die clamping cylinder was kept away from to clamp arm is provided with and presss from both sides tight piece, presss from both sides tight piece and lies in both sides around the frame of installing the rack respectively, presss from both sides tight piece and is provided with many parallel arrangement's the tight tooth's socket of clamp towards the one side of frame, the clamp arm realizes through the round pin axle and is connected with the rotation between the cylinder riser that sets up in the base.

Specifically, lift the mechanism and include the multiunit support frame that the perpendicular to net piece moving direction set up and lift square pipe of array distribution on the support frame, the length direction of lifting square pipe is perpendicular with the support frame.

Through the utility model discloses a full-automatic flexible welding net production line that above-mentioned technical scheme obtained, its beneficial effect is:

1. the full-automatic welding and bending of the flexible welding nets with different densities are realized, and the applicability of the production line is improved.

2. Through the alternate push-and-pull of the net pulling-down trolley, the net pulling-up trolley and the net pushing-up trolley, the net piece is pulled to the bending system by the automatic welding machine, and the processing efficiency is high.

Drawings

FIG. 1 is a schematic structural view of the electrodeless flexible welding net production line of the utility model;

fig. 2 is a schematic structural view of the net pulling-down trolley of the present invention;

fig. 3 is a schematic view of a part of the structure of the net hauling truck of the present invention;

fig. 4 is a schematic view of a part of the structure of the net pushing-up trolley of the present invention;

fig. 5 is a schematic structural view of the bent net system of the present invention;

fig. 6 is a schematic view of another angle of the grid bending system according to the present invention;

fig. 7 is a schematic structural diagram of the limiting mechanism of the present invention;

in the figure, 1, an automatic reinforcement machine; 2. a wire collecting rack; 3. a longitudinal bar placing vehicle; 4. a longitudinal bar tractor; 5. an automatic welding machine; 6. a traction system; 6a, pulling up the net slideway; 6b, pulling down the net slide; 6c, pulling up the net trolley; 6c1, fixed arm; 6c2, swivel arm; 6c3, net pulling up cylinder; 6c4, axis of rotation; 6c5, clamp cylinder; 6d, pulling the net vehicle down; 6d1, a net pulling fixing beam; 6d2, sliding net hook; 6d3, track link arm; 6d4, main net pulling beams; 6d5, overturning cylinder; 6d6, fixing the net-pulling hook; 6d7, sliding cylinder; 6d8, net pulling sliding beam; 6d9, tilt bearing; 6e, a traction mechanism; 6e1, drive shaft; 6e2, traction motor; 6e3, transmission gear set; 6e4, traction main connection plate; 6f, pushing up the net trolley; 7. a net bending system; 7a, a net bending machine; 7b, a guide rail; 7c, a lifting mechanism; 7d, a driving mechanism; 7d1, rack; 7d2, gear; 7f, a limiting mechanism; 7f1, clamp cylinder; 7f2, clamping block; 7f3, clamp arm; 7f4 and a limit plate; 7f5, a backing plate; 7f6, a locking spacer bush; 7f7 and a cylinder vertical plate; 7f8, pin shaft; 8. a transverse bar transport vehicle; 9. the transverse bar bearing machine.

Detailed Description

The invention will be described in detail with reference to the drawings, in which the spatially oriented terminology is used with reference to fig. 1.

As shown in the figure, the electrodeless flexible mesh welding production line comprises a longitudinal rib supply system, a transverse rib supply system, an automatic welding machine 5, a traction system 6 and a mesh bending system 7, wherein the longitudinal rib supply system and the transverse rib supply system are positioned on the right side of the automatic welding machine 5, the traction system 6 is positioned on the left side of the automatic welding machine 5 and is used for supplying welded meshes to the mesh bending system 7 to realize bending, the mesh bending system 7 comprises a guide rail 7b perpendicular to the longitudinal ribs, two mesh bending machines 7a and a lifting mechanism 7c, the two mesh bending machines 7a are installed on the guide rail 7b, and the distance between the two mesh bending machines 7a is adjustable.

The longitudinal bar supply system, the transverse bar supply system and the automatic welding machine 5 all adopt the structure described in the background document, wherein the longitudinal bar supply system comprises an automatic bar arrangement machine 1, a line concentration rack 2, a longitudinal bar placing vehicle 3 and a longitudinal bar towing vehicle 4, the transverse bar supply system comprises an automatic bar arrangement machine 1, a line concentration rack 2, a transverse bar bearing machine 9, a transverse bar transport vehicle 8 and a transverse bar delivery machine, the automatic bar arrangement machine 1 and the line concentration rack 2 of the longitudinal bar supply system and the transverse bar supply system are respectively positioned at the front side and the rear side of the longitudinal bar towing vehicle 4, the longitudinal bar towing vehicle 4 is connected with the line concentration rack 2 through the longitudinal bar placing vehicle 3, the transverse bar transport vehicle 8 is connected with the line concentration rack 2 through the transverse bar bearing machine 9 and is connected with the automatic welding machine 5 through the transverse bar delivery machine, the transverse bar transport vehicle 8 is used for rotating the direction of the steel bars falling from the line concentration rack 2 to be vertical to the direction of the longitudinal bars to be used as the transverse bars, one end of the running track of the transverse bar transport vehicle 8 is positioned below the transverse bar bearing machine 9, the other end is positioned below the transverse bar delivery machine.

The traction system 6 comprises an upper net pulling slide 6a and a lower net pulling slide 6b, the lower net pulling slide 6b is positioned on one side, close to the automatic welding machine 5, below the upper net pulling slide 6a, an upper net pulling trolley 6c and an upper net pulling trolley 6f are mounted on the upper net pulling slide 6a, the upper net pulling trolley 6f is close to the bent net system 7, a lower net pulling trolley 6d is mounted on the lower net pulling slide 6b, and the upper net pulling trolley 6c, the upper net pulling trolley 6f and the lower net pulling trolley 6d all slide on the upper net pulling slide 6a and the lower net pulling slide 6b through a traction mechanism 6 e.

As shown in the figure, the net-pulling-up trolley 6c comprises a rotating shaft 6c4, the rotating shaft 6c4 is rotatably connected with a traction main connecting plate 6e4 positioned at the front side and the rear side, the rotating shaft 6c4 rotates through a rotating cylinder 6c5, a fixed arm 6c1 and a rotating arm 6c2 are installed at the right side of the rotating shaft 6c4, the fixed arm 6c1 is fixedly connected with a rotating shaft 6c4, the front end of the rotating arm 6c2 penetrates through a strip-shaped through hole in a fixed arm 6c1 and is rotatably connected with the fixed arm 6c1 to clamp a transverse rib, and the rotating arm 6c2 rotates through a net-pulling-up cylinder 6c 3.

Specifically, the cylinder body of the net pulling-up cylinder 6c3 is rotatably connected with the fixed arm 6c1, and the cylinder shaft of the net pulling-up cylinder 6c3 is hinged with one end of the rotating arm 6c 2; the cylinder body of the rotary cylinder 6c5 is hinged with the traction main connecting plate, and the cylinder shaft of the rotary cylinder 6c5 is hinged with the rotary shaft 6c4 through a rocker.

As shown, the structure of the push-up net carriage 6f is substantially the same as that of the pull-up net carriage 6c, except that the fixing arm 6c1 of the push-up net carriage 6f faces the net bending system 7, and the length of the fixing arm 6c1 of the push-up net carriage 6f is longer than that of the fixing arm 6c1 of the pull-up net carriage 6 c.

As shown in the figure, the net pulling-down trolley 6d comprises net pulling main beams 6d4, net pulling fixed beams 6d1 and net pulling sliding beams 6d8 which are arranged in parallel, the bottom of each net pulling sliding beam 6d8 is provided with a track connecting arm 6d3 which is perpendicular to the transverse ribs, the net pulling fixed beams 6d1 realize sliding along slide rails of the track connecting arms 6d3 through sliding blocks, the net drawing sliding beam 6d8 is driven by a sliding cylinder 6d7 fixed on the net drawing fixed beam 6d1, the right side of the net drawing fixed beam 6d1 is provided with a plurality of fixed net drawing hooks 6d6 distributed in an array manner, the right end of the net drawing sliding beam 6d8 is provided with sliding net drawing hooks 6d2 with the same number as the fixed net drawing hooks 6d6, the net pulling fixing beam 6d1 is rotatably connected with a net pulling main beam 6d4 through a turnover shaft, the left side of the net pulling main beam 6d4 is hinged with a turnover cylinder 6d5, and a cylinder shaft of the turnover cylinder 6d5 is hinged with the net pulling fixing beam 6d1 through a long ditch frame.

The traction mechanism 6e comprises a driving shaft 6e1 fixed on a traction main connecting plate 6e4, the driving shaft 6e1 is driven to rotate by a traction motor 6e2, the traction motor 6e2 is connected with the driving shaft 6e1 by a transmission gear 7d2 group 6e3, a fixed bearing is further sleeved on the driving shaft 6e1 and connected with the traction main connecting plate 6e4, the driving shaft 6e1 penetrates through the traction main connecting plate 6e4 and is provided with a gear 7d2 and is meshed and connected with racks 7d1 on the net pulling slide 6a and the net pulling slide 6b, and a sliding block is arranged on the traction main connecting plate 4 and is connected with the side ends of the net pulling slide 6a and the net pulling slide 6b in a sliding mode.

The guide rail 7b comprises two parallel guide rails mounted on the frame, and the net bender 7a slides on the guide rail 7b under the action of the driving mechanism 7 d.

Specifically, the base is installed to net bender 7a bottom, the slider that slides on guide rail 7b is installed to the bottom of base, actuating mechanism 7d is including installing rack 7d1 parallel with guide rail 7b in the frame, and the tooth of rack 7d1 is located rack 7d1 upper surface, installs gear 7d2 with rack 7d1 meshing on the base, gear 7d2 is including installing drive gear 7d2 and driven gear 7d2 in the walking gear 7d2 case of bottom surface open-ended, and drive gear 7d2 overlaps on servo motor's output shaft, and driven gear 7d2 is located drive gear 7d2 below and meshes with drive gear 7d2 and rack 7d 1.

For fixing net bending machine 7a on guide rail 7b when the reinforcing bar is bent, every net bending machine 7a bottom is provided with stop gear 7f no less than two sets of, stop gear 7f includes die clamping cylinder 7f1 and die clamping cylinder 7f1 both ends articulated clamp arm 7f3, the one end that die clamping cylinder 7f1 was kept away from to clamp arm 7f3 is provided with presss from both sides tight piece 7f2, presss from both sides tight piece 7f2 and is located the frame front and back both sides of installing rack 7d1 respectively, presss from both sides tight piece 7f2 and is provided with many parallel arrangement's clamping tooth's socket towards the one side of frame, when die clamping cylinder 7f1 extended, presss from both sides tight frame of tight piece 7f2, realizes the fixed to net bending machine 7 a.

The clamping arm 7f3 is rotatably connected with a cylinder vertical plate 7f7 arranged in the base through a pin shaft 7f8, two ends of the pin shaft 7f8 penetrate through the cylinder vertical plate 7f7 and the side wall of the base respectively, a locking spacer 7f6 is fixed in a through hole through which the pin shaft 7f8 penetrates through the clamping arm 7f3, and two ends of the clamping arm 7f3 are hinged with a clamping cylinder 7f1 and a clamping block 7f2 respectively.

The cylinder vertical plate 7f7 is further provided with a limiting plate 7f4 located on the outer side of the two clamping arms 7f3, the limiting plate 7f4 is arranged in parallel with the pin shaft 7f8, wedge-shaped limiting cushion plates 7f5 facing the clamping arms 7f3 are fixed to two ends of the limiting plate 7f4 respectively, and the limiting cushion plates 7f5 can abut against the locking spacer 7f6 when the clamping cylinders 7f1 contract to limit the contraction stroke of the cylinders.

The web bending machine 7a is prior art and will not be further described herein, and the specific structure can be referred to patent document 202023146526.0.

The lifting mechanism 7c comprises a plurality of groups of supporting frames perpendicular to the moving direction of the net piece and lifting square pipes distributed on the supporting frames in an array mode, and the length direction of the lifting square pipes is perpendicular to the supporting frames and used for lifting the bent net piece.

The reinforcing bar coiled material welds on automatic welder 5 after horizontal muscle supply system and the muscle of indulging supply system arrangement of reinforcement, interval adjustment, delivery and obtains the net piece, and the operation such as clamp is got, is removed through the clamp to horizontal muscle to lower net car 6d, pull-up net car 6c, push-up net car 6f, and the pulling net piece moves backward in order to bend it, does not influence going on of follow-up weldment work simultaneously, and the distance between two net welders is adjusted according to the muscle density of indulging of net piece.

The upper net pulling vehicle 6c is driven by an upper net pulling cylinder 6c3 to clamp, the fixed arm 6c1 and the rotating arm 6c2 are both in an L-shaped structure, and the tail ends of the fixed arm 6c1 and the rotating arm 6c2 can clamp when rotating; after the net pulling vehicle 6c finishes pulling operation, the clamping cylinder 7f1 drives the rotating shaft 6c4 to turn over until the fixed arm 6c1 and the rotating arm 6c2 are both higher than the height of the net, so that the influence on the continuous transmission of the net is avoided.

Similarly, the gripping of the net pushing up trolley 6f is the same as the gripping of the net pulling up trolley 6c, except that the net pushing up trolley pushes the net to be far away from one end of the net bending machine, and the net pulling up trolley pulls the net to be close to one end of the net bending machine.

The fixed net pulling hook 6d6 and the sliding net pulling hook 6d2 of the net pulling trolley 6d are of an L-shaped structure, the mechanism is different from the mechanism of the rotary clamping of the net pulling trolley 6c, the net pulling trolley 6d adopts a sliding clamping mechanism, the sliding cylinder 6d7 drives the net pulling sliding beam 6d8 to move left and right relative to the net pulling fixed beam 6d1, so that the fixed net pulling hook 6d6 connected with the net pulling fixed beam 6d1 and the sliding net pulling hook 6d2 connected with the net pulling sliding beam 6d8 are changed in position to realize clamping, and the overturning cylinder 6d5 drives the integral net pulling fixed beam 6d1 and other connected components to rotate by taking the overturning shaft as the axis; when the automatic welding machine 5 works, the fixed net drawing hook 6d6 and the sliding net drawing hook 6d2 of the downward-drawing net pass through the net drawing groove to turn downwards until the hook part is lower than the height of the lower electrode block of the automatic welding machine 5, so that the conveying of the transverse ribs is prevented from being influenced.

The net pulling trolley 6c and the net pulling trolley 6f move along the left-right direction, are driven by a traction motor 6e2, are driven by a driving shaft 6e1 to transmit, and are engaged and rotated by a rack 7d1 on the net pulling slideway 6a and the net pulling slideway 6b and a traction gear 7d 2.

The lower net pulling assembly consisting of the fixed net pulling hook 6d6 and the sliding net pulling hook 6d2 and the upper net pulling assembly consisting of the fixed arm 6c1 and the rotating arm 6c2 of the upper net pulling vehicle 6c are distributed in a staggered mode, when the lower net pulling assembly moves to the position of the upper net pulling assembly, the fixed net pulling hook 6d6 and the sliding net pulling hook 6d2 are separated, the fixed arm 6c1 and the rotating arm 6c2 are closed, the net sheets are pulled to move in the direction of the upper net pushing vehicle 6f, the lower net pulling vehicle 6d returns to the initial position, after the upper net pulling vehicle 6c pulls the whole net sheets to be separated from the area of the automatic welding machine 5, the lower net pulling vehicle 6d pulls another formed net sheet to move in the direction of the upper net pulling vehicle 6c, the upper net pulling vehicle 6c returns to the initial position, the upper net pushing vehicle 6f moves to the side of the net sheet far away from the net bending machine 7a, then the net sheet is pushed to move in the direction of the net bending machine 7a, and bending operation of bending the transverse ribs of the net sheet is carried out.

The operation steps realize full automation of the flexible welded mesh, the flexible welded mesh is suitable for welded meshes with different densities, traction of the next mesh is not influenced in the process of moving the mesh to the mesh bending machine 7a after the mesh is completely formed, and the processing efficiency is high.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. An electrodeless flexible welding net production line is characterized by comprising a longitudinal bar supply system, a transverse bar supply system, an automatic welding machine, a traction system and a bent net system, wherein the longitudinal bar supply system and the transverse bar supply system are positioned on the right side of the automatic welding machine, the traction system is positioned on the left side of the automatic welding machine and is used for supplying welded nets to the bent net system, the bent net system comprises a guide rail perpendicular to the longitudinal bars, two bent net machines and a lifting mechanism, the two bent net machines are installed on the guide rail, and the distance between the two bent net machines is adjustable.

2. The electrodeless flexible welding wire production line as claimed in claim 1, wherein the traction system comprises an upper net pulling slide way and a lower net pulling slide way, the lower net pulling slide way is positioned at one side below the upper net pulling slide way close to the automatic welding machine, an upper net pulling trolley and an upper net pulling trolley are mounted on the upper net pulling slide way, the upper net pulling trolley is close to the bent net system, a lower net pulling trolley is mounted on the lower net pulling slide way, and the upper net pulling trolley, the upper net pulling trolley and the lower net pulling trolley all slide on the upper net pulling slide way and the lower net pulling slide way through a traction mechanism.

3. An electrodeless flexible welding wire production line as claimed in claim 2, characterized in that the net pulling-up trolley comprises a rotating shaft, the rotating shaft is rotatably connected with the traction main connecting plate positioned at the front side and the rear side, the rotation of the rotating shaft is realized by a clamping cylinder, a fixed arm and a rotating arm are arranged at the right side of the rotating shaft, the fixed arm is fixedly connected with the rotating shaft, the front end of the rotating arm passes through the strip-shaped through hole on the fixed arm and is rotatably connected with the fixed arm to clamp the transverse rib, and the rotation of the rotating arm is realized by the net pulling-up cylinder.

4. An electrodeless flexible welding wire production line as defined in claim 3, characterized in that the fixed arm of the net pushing-up trolley faces the net bending system, and the length of the fixed arm of the net pushing-up trolley is longer than that of the fixed arm of the net pulling-up trolley.

5. The electrodeless flexible welding wire production line as claimed in claim 2, wherein the net pulling trolley comprises a net pulling main beam, a net pulling fixed beam and a net pulling sliding beam which are arranged in parallel, a rail connecting arm perpendicular to the transverse rib is arranged at the bottom of the net pulling sliding beam, the net pulling fixed beam realizes sliding of a sliding rail along the rail connecting arm through a sliding block, the net pulling sliding beam is driven by a sliding cylinder fixed on the net pulling fixed beam, a plurality of fixed net pulling hooks distributed in an array mode are installed on the right side of the net pulling fixed beam, the sliding net pulling hooks with the same number as the fixed net pulling hooks are installed at the right end of the net pulling sliding beam, the net pulling fixed beam is rotatably connected with the net pulling main beam through a turnover shaft, a turnover cylinder is hinged to the left side of the net pulling main beam, and a cylinder shaft of the turnover cylinder is hinged to the net pulling fixed beam through a long length groove frame.

6. The electrodeless flexible welding wire production line as claimed in claim 1, wherein a base is mounted at the bottom of the wire bending machine, a sliding block which slides on a guide rail is mounted at the bottom of the base, and the movement of the wire bending machine is realized by a driving mechanism.

7. The electrodeless flexible welding wire production line as claimed in claim 6, wherein at least two groups of limiting mechanisms are arranged at the bottom of the base, each limiting mechanism comprises a clamping cylinder and clamping arms hinged to two ends of the clamping cylinder, clamping blocks are arranged at one ends of the clamping arms far away from the clamping cylinder, the clamping blocks are respectively arranged at the front side and the rear side of the rack provided with the rack, a plurality of clamping tooth grooves arranged in parallel are arranged on one surface of each clamping block facing the rack, and the clamping arms are rotatably connected with cylinder vertical plates arranged in the base through pin shafts.

8. The electrodeless flexible welding wire production line as defined in claim 1, wherein the lifting mechanism comprises a plurality of groups of supporting frames arranged perpendicular to the moving direction of the mesh sheet and lifting square tubes distributed on the supporting frames in an array, and the length direction of the lifting square tubes is perpendicular to the supporting frames.