CN217343020U - Steel bar welding net bending forming machine - Google Patents

Abstract

The utility model relates to a reinforcing bar processing technology field specifically discloses a reinforcing bar welds net bending make-up machine. The utility model provides a curved net unit of reinforcing bar welded mesh bending machine can walk along the floorbar, and the position of curved net unit is adjusted according to the different bending position of reinforcing bar welded mesh, can buckle the whole reinforcing bar welded mesh, can also process the reinforcing bar welded mesh of different grade type through adjusting the position of curved net unit, and need not to change the equipment of other models or dismantle curved net unit, and is swift convenient, has improved production efficiency and reinforcing bar welded mesh bending machine's application scope; a plurality of net bending units can be arranged on the bottom beam according to actual requirements, so that a long reinforcing steel bar welded net or a reinforcing steel bar welded net with more bending positions can be processed conveniently, and the production efficiency is improved; in addition, after the reinforcing steel bar welding net is bent, the bent net unit moves to the next position to be bent and folded, and in order to avoid deformation caused by self-weight sagging of the reinforcing steel bar welding net, the lifting platform unit supports the bent reinforcing steel bar welding net.

Description

Steel bar welding net bending forming machine

Technical Field

The utility model relates to a reinforcing bar processing technology field especially relates to a reinforcing bar welds net bending forming machine.

Background

The welded mesh reinforcement is also called welded mesh reinforcement, etc. The net is formed by arranging longitudinal steel bars and transverse steel bars at certain intervals, forming right angles with each other and welding all cross points together. The reinforcing mesh is widely applied to the fields of beam column floor slabs, house covers, walls, concrete pavements, bridge deck pavement, airport runways, tunnel linings, box culverts, wharf floors and the like of industrial and civil houses. Due to different application scenarios, the steel mesh is also generally processed into various shapes as prefabricated parts.

The utility model relates to a well pipe gallery is that the city underground pipeline synthesizes corridor, builds a tunnel space promptly in city underground, collects various engineering pipelines such as electric power, communication, gas, heat supply, plumbing in an organic whole, is equipped with special maintenance mouth, hoist and mount mouth and detecting system, implements unified planning, unified design, unified construction and management, is the important infrastructure of guarantee city operation. The construction of underground pipe gallery needs a steel bar welding net corresponding to the cross section shape of the underground pipe gallery as a steel structure in a reinforced concrete structure, such as a square tube, and the common steel bar welding net needs to be processed and bent into a square tube structure.

The existing steel bar welded mesh bending forming machine is still low in automation degree and poor in adaptability, the position of a mesh bending mechanism on the steel bar welded mesh bending forming machine is usually fixed and cannot be moved, the production requirement of a specific product type can only be met, when the bending position is changed, equipment of other types can only be replaced or the mesh bending mechanism can be mounted at a required position after being disassembled, the disassembly and the assembly are difficult, the equipment is easily damaged, and the production cost is high; and the quantity of the net bending mechanisms on the existing reinforcing steel bar welded net bending forming machine is only one or two, when the length of the bent reinforcing steel bar welded net to be processed is long and the bending position is large, the net bending mechanism needs to be moved frequently to change the bending position, a large amount of time is wasted, and the production efficiency is extremely low.

Therefore, it is desirable to provide a bending machine for a welded steel mesh to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reinforcing bar welds net bending machine can process the reinforcing bar of different grade type and weld the net to can weld the net to whole reinforcing bar and buckle processing, improve production efficiency, reduce the processing cost.

To achieve the purpose, the utility model adopts the following technical proposal:

a bending and forming machine for a welded steel mesh comprises:

a bottom beam;

the lifting platform units are arranged at intervals along the length direction of the bottom beam and can ascend to support the bent steel bar welded mesh;

and the bent net unit is used for bending the steel bar welding net, the bent net unit walks and is arranged on the bottom beam, and the bent net unit can walk to stride over the lifting platform unit in a descending state.

As an optional technical solution of the foregoing reinforcing bar welded mesh bending machine, the mesh bending unit includes:

a net bending frame;

the traveling mechanism is arranged on the net bending machine frame and can enable the net bending machine frame to move relative to the bottom beam;

the positioning mechanism is arranged on the net bending rack and used for fixing the welded steel bar net to be bent;

and the bending mechanism is used for bending the steel bar welding net.

As an optional technical solution of the above bending and forming machine for welded steel mesh, the traveling mechanism includes:

the walking wheels are arranged on two opposite sides of the net bending machine frame, and walking tracks matched with the walking wheels are arranged on the bottom beam; and

and the walking driving assembly drives the net bending machine frame to move relative to the bottom beam.

As an optional technical solution of the above bending and forming machine for welded steel mesh, the traveling drive assembly includes:

the walking driver is arranged on the net bending rack;

the walking shaft is in driving connection with the walking driver, and the walking driver drives the walking shaft to rotate;

the driving wheels are arranged on two opposite sides of the net bending machine frame, and the two driving wheels are connected with two ends of the walking shaft;

the driven wheel is meshed with the driving wheel;

and the walking rack is arranged on the bottom beam and extends along the length direction of the bottom beam, and the walking rack is meshed with the driven wheel.

As an optional technical solution of the above bending and forming machine for a welded steel mesh, the positioning mechanism includes:

the supporting roller is used for supporting the steel bar welding net to be bent;

the clamping hand assembly is arranged below the supporting roller and used for clamping longitudinal steel bars of the steel bar welding net;

the wire clamping seat is arranged below the supporting roller and is used for clamping the to-be-bent position of the longitudinal steel bar of the steel bar welding net;

the longitudinal driving assembly is used for driving the clamping hand assembly and the wire clamping seat to lift;

and the transverse driving assembly drives the wire clamping seat to horizontally move so as to clamp the position to be bent of the longitudinal steel bar of the steel bar welding net.

As an optional technical solution of the foregoing bending and forming machine for a welded steel mesh, the longitudinal driving assembly includes:

the clamping hand assembly is fixedly arranged on the longitudinal lifting beam, and the wire clamping seat is horizontally arranged on the longitudinal lifting beam in a sliding manner;

and the longitudinal driver drives the longitudinal lifting beam to lift.

As an optional technical scheme of the bending forming machine for the steel bar welding net, the clamping hand assembly comprises a plurality of clamping hands arranged side by side at intervals, and each clamping hand comprises a clamping jaw and a clamping jaw driver for driving the clamping jaw to open and close.

As an optional technical solution of the above bending machine for welded steel mesh, the bending mechanism includes:

the wire pressing roller is used for contacting with a position to be bent of the steel bar welding net;

the connecting rod assembly is connected with the rotating cylinder and the positioning mechanism;

and the bending driver drives the rotating cylinder to rotate so as to adjust the distance between the wire pressing roller and the position to be bent of the steel bar welding net.

As an optional technical solution of the above-mentioned steel bar welding net bending forming machine, the lifting platform unit includes:

a lifting base;

the lifting plate is arranged above the lifting base, and a supporting roller is arranged on the top surface of the lifting plate;

and the lifting driving assembly is connected with the lifting base and the lifting plate, and the lifting driving assembly enables the lifting plate to ascend so as to support the bent steel bar welding net and enable the lifting plate to descend to be attached to the lifting base.

As an optional technical solution of the foregoing bending and forming machine for a welded steel mesh, the lifting drive assembly includes:

the lifting base is provided with an inner supporting beam and an outer supporting beam which are arranged in a crossed mode and hinged to the middle, one end of the inner supporting beam is connected with the lifting base in a sliding mode, the other end of the inner supporting beam is hinged to the lifting plate, one end of the outer supporting beam is connected with the lifting plate in a sliding mode, and the other end of the outer supporting beam is hinged to the lifting base;

the lifting driver is hinged to one of the outer supporting beam and the inner supporting beam, and the driving end of the lifting driver is hinged to the other one;

and the auxiliary driver is used for preferentially jacking the lifting plate upwards by a preset height.

The utility model has the advantages that:

the utility model provides a curved net unit of reinforcing bar welded mesh bending machine can walk along the floorbar, and the position of curved net unit is adjusted according to the different bending position of reinforcing bar welded mesh, can be to whole reinforcing bar welded mesh buckle processing, can also process the reinforcing bar welded mesh of different grade type through the position of adjusting curved net unit, and need not to change the equipment of other models or dismantle curved net unit, and is swift convenient, has improved production efficiency and reinforcing bar welded mesh bending machine's application scope, has reduced manufacturing cost; a plurality of net bending units can be arranged on the bottom beam according to actual requirements, so that a long reinforcing steel bar welded net or a reinforcing steel bar welded net with more bending positions can be processed conveniently, and the production efficiency is improved; in addition, after the reinforcing steel bar welding net is bent, the bent net unit moves to the next position to be bent and folded, and in order to avoid deformation caused by self-weight sagging of the reinforcing steel bar welding net, the lifting platform unit supports the bent reinforcing steel bar welding net.

Drawings

Fig. 1 is a schematic perspective view of a bending and forming machine for a welded steel mesh according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a bent net unit provided in an embodiment of the present invention;

fig. 3 is a side view of a bending and forming machine for a welded steel mesh according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is an enlarged view of a portion of FIG. 1 at B;

fig. 6 is a front view of a mesh bending unit provided by an embodiment of the present invention;

fig. 7 is a rear view of a bent net unit according to an embodiment of the present invention;

fig. 8 is a top view of a bent net unit provided by an embodiment of the present invention;

fig. 9 is a schematic structural view of a gripper according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a bent net unit provided by the embodiment of the present invention before bending a steel bar;

fig. 11 is a schematic structural view of the bent net unit after bending the reinforcing steel bars provided by the embodiment of the present invention;

fig. 12 is a schematic perspective view of a lifting platform unit provided in the embodiment of the present invention;

fig. 13 is a schematic structural diagram of the lifting platform unit provided in the embodiment of the present invention in a descending state;

fig. 14 is a side view of a first viewing angle of a lifting platform unit provided by an embodiment of the present invention;

fig. 15 is a side view of a second perspective of a lift platform unit according to an embodiment of the present invention.

In the figure:

1. a bottom beam; 2. a lifting platform unit; 3. a net bending unit;

11. a traveling rail;

21. a lifting base; 22. a lifting plate; 23. a support roller; 24. a lift drive assembly;

241. an inner support beam; 242. an outer support beam; 243. an internal support lifting driver; 244. an outer support lift drive; 245. an auxiliary drive; 246. a first inner support connecting beam; 247. a second inner support connecting beam; 248. a first outer support link beam; 249. a second outer support link beam;

31. a net bending frame; 32. a traveling mechanism; 33. a positioning mechanism; 34. a bending mechanism; 35. a hydraulic station;

311. a screen bending bearing plate; 312. a longitudinal driver mount; 313. a supporting roller frame; 314. bending the driver mounting frame;

321. a traveling wheel; 322. a travel drive assembly; 3221. a travel driver; 3222. a traveling shaft; 3223. a driving wheel; 3224. a driven wheel; 3225. a traveling rack;

331. a lifting roller; 332. a gripper assembly; 3321. a clamping jaw; 3322. a jaw actuator; 333. a wire clamping seat; 3331. a wire clamping seat body; 3332. a clamping block; 3333. a horizontal slider; 3334. a horizontal slide rail; 335. a longitudinal drive assembly; 3351. a longitudinal lifting beam; 3352. a longitudinal driver; 3353. a guide rail; 3354. a guide slider; 336. a lateral drive assembly; 337. a guide plate; 3371. opening the gap;

341. a rotary drum; 342. a wire pressing roller; 343. a connecting rod assembly; 3431. a first link; 3432. a second link; 3433. a third link; 3434. a hinged seat; 3435. hinging a shaft; 344. a bending driver; 345. a position detecting member.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The embodiment provides the steel bar welding net bending forming machine to solve the technical problems that in the prior art, the automation degree of the steel bar welding net bending forming machine is still low, the adaptability is poor, the position of a net bending mechanism on the steel bar welding net bending forming machine is usually fixed and cannot move, and the production requirement of a specific product type can only be met.

As shown in fig. 1, the reinforcing welded mesh bending machine provided by this embodiment includes a bottom beam 1, a lifting platform unit 2, and a mesh bending unit 3.

The bent net unit 3 is used for bending the steel bar welded net, the bent net unit 3 is arranged on the bottom beam 1 in a walking manner, the position of the bent net unit 3 is adjusted according to different bending positions of the steel bar welded net, the whole steel bar welded net can be bent, different types of steel bar welded nets can be processed by adjusting the position of the bent net unit 3, equipment with other types does not need to be replaced, or the bent net unit 3 does not need to be disassembled, the bending machine is fast and convenient, the production efficiency and the application range of the steel bar welded net bending forming machine are improved, and the production cost is reduced; can set up a plurality of curved net units 3 according to actual demand on floorbar 1 to the reinforcing bar that processing length is longer welds the net or the reinforcing bar that the position of buckling is more welds the net, improves production efficiency.

Lifting platform unit 2 is equipped with a plurality ofly, and a plurality of lifting platform unit 2 set up along the length direction interval of floorbar 1, and lifting platform unit 2 can rise in order to support the reinforcing bar that finishes of buckling and weld the net. The net bending unit 3 can walk across the lifting platform unit 2 in a descending state, and the lifting platform unit 2 does not interfere with the walking of the net bending unit 3. After the reinforcing steel bar welding net is bent, the bent net unit 3 moves to the next position to be bent, and in order to avoid deformation caused by self-weight sagging of the reinforcing steel bar welding net, the lifting platform unit 2 supports the bent reinforcing steel bar welding net.

In this embodiment, the bottom beam 1 includes two bottom support beams disposed in parallel at intervals, and the two bottom support beams are connected through a transverse connection beam, the lifting platform unit 2 is disposed between the two bottom support beams, and the plurality of lifting platform units 2 are arranged at intervals along the length direction of the bottom support beams. The wire bending unit 3 is movably connected with two bottom supporting beams.

An upper beam is arranged above the bottom supporting beam in parallel, and the upper beam is connected with the bottom supporting beam through a vertical beam to form a rack.

As shown in fig. 2, the net bending unit 3 in the present embodiment includes a net bending frame 31, and a traveling mechanism 32 is provided on the net bending frame 31, and the traveling mechanism 32 enables the net bending frame 31 to move relative to the bottom beam 1. Be equipped with positioning mechanism 33 and bending mechanism 34 on the net bending machine frame 31, positioning mechanism 33 is used for the fixed reinforcing bar that treats the bending and welds the net, and bending mechanism 34 is used for the reinforcing bar that buckles and welds the net to buckle to predetermineeing the angle.

Specifically, as shown in fig. 2, 3 and 4, the net bender frame 31 includes a rectangular bottom support frame, and the length direction of the support frame is perpendicular to the bottom support beam of the bottom beam 1. The walking mechanism 32 comprises walking wheels 321 arranged on two opposite sides of the net bending machine frame 31, and a walking track 11 matched with the walking wheels 321 is arranged on the bottom beam 1. Specifically, the side at four angles of net bending machine frame 31 all is equipped with walking wheel 321, and the concave walking spout that is equipped with in the inside wall of floorbar 1 is in order to form the walking track 11 that matches with walking wheel 321, and in walking wheel 321 embedded walking spout, and can follow the spout that walks and remove. Of course, in other embodiments, the traveling rail 11 may be disposed on the upper surface of the bottom beam 1, and the traveling wheel 321 is slidably connected to the traveling rail 11.

In order to realize the automatic walking of the net bending unit 3, in the embodiment, referring to fig. 2 and 5, the walking mechanism further includes a walking driving assembly 322, and the walking driving assembly 322 drives the net bending frame 31 to move relative to the bottom beam 1.

In particular, the walking drive assembly 322 comprises a walking driver 3221, the walking driver 3221 being disposed on the curved net rack 31, in particular being mounted on the bottom support frame. The walking driver 3221 is drivingly connected to a walking shaft 3222, and the walking driver 3221 drives the walking shaft 3222 to rotate. A walking axis 3222 extends along the length of the bottom support frame. The traveling driver 3221 is preferably a biaxial driver, and the traveling driver 3221 is installed at the middle of the bottom support frame to avoid the problem of interference of the bending net unit 3 with other components while traveling. Two output ends of the walking driver 3221 are respectively connected to the first walking shaft and the second walking shaft.

Two opposite sides of the net bending machine frame 31 are provided with driving wheels 3223, and the driving wheels 3223 are connected with two ends of the walking shaft 3222. Specifically, the other end of the first traveling shaft and the other end of the second traveling shaft are respectively connected to a driving wheel 3223, and the traveling driver 3221 drives the traveling shaft 3222 to rotate, so as to drive the driving wheel 3223 to rotate. In order to facilitate the installation of the traveling shaft 3222 and the driving wheel 3223, two opposite sides of the bottom supporting frame of the net bending rack 31 are respectively provided with a net bending bearing plate 311, and the traveling shaft 3222 is rotatably connected with the net bending supporting plate 311 and penetrates the net bending supporting plate 311 to be connected with the driving wheel 3223.

The driving wheel 3223 is engaged with a driven wheel 3224, and specifically, the driven wheel 3224 is rotatably mounted on the web bearing plate 311. A traveling rack 3225 is arranged on the bottom beam 1 and extends along the length direction of the bottom beam 1, the driven wheel 3224 is engaged with the traveling rack 3225, and the traveling driver 3221 drives the net bending machine frame 31 through a gear and rack structure, so that the net bending machine frame 31 travels along the traveling track 11 on the bottom beam 1. In other embodiments, the driving force can also be transmitted by a synchronous belt structure or a chain wheel and chain structure, so that the net bending machine frame 31 can walk on the bottom beam 1.

The positioning mechanism 33 is used for fixing the steel bar welding net to be bent, so that the steel bar welding net is prevented from generating displacement when the steel bar welding net is bent, and the bending precision is prevented from being influenced. In the present embodiment, as shown in fig. 2, 6, 7 and 8, the positioning mechanism 33 includes a supporting roller 331, a gripper assembly 332 and a wire clamping seat 333, and the gripper assembly 332 and the wire clamping seat 333 are both disposed below the supporting roller 331. The supporting roller 331 is used for supporting a steel bar welding net to be bent, the clamping hand assembly 332 is used for clamping longitudinal steel bars of the steel bar welding net, and the wire clamping seat 333 is used for clamping a position to be bent of the longitudinal steel bars of the steel bar welding net. The longitudinal driving component 335 drives the clamping hand component 332 and the wire clamping seat 333 to lift. After the reinforcing steel bar welding net to be bent is placed on the supporting roller 331, the longitudinal driving assembly 335 drives the clamping hand assembly 332 and the wire clamping seat 333 to ascend simultaneously, and the clamping hand assembly 332 clamps longitudinal reinforcing steel bars of the reinforcing steel bar welding net. The transverse driving assembly 336 drives the clamping screw seat 333 to move horizontally to clamp the position to be bent of the longitudinal steel bars of the steel bar welding net. After the clamping assembly 332 clamps the longitudinal steel bars of the steel bar welding net, the wire clamping seat 333 clamps each longitudinal steel bar, the bending mechanism 34 bends the longitudinal steel bars upwards at the clamping position of the wire clamping seat 333, and the wire clamping seat 333 plays a role in positioning and supporting the bending of the longitudinal steel bars.

Further, a supporting roller support frame 313 is provided on the bottom support frame of the net bending frame 31, and the supporting roller 331 is mounted on the supporting roller support frame 313. The longitudinal driving assembly 335 comprises a longitudinal lifting beam 3351 and a longitudinal driver 3352, the gripping assembly 332 is fixedly arranged on the longitudinal lifting beam 3351, and the wire clamping seat 333 is horizontally and slidably arranged on the longitudinal lifting beam 3351 so as to facilitate the wire clamping seat 333 to clamp the steel bar welding net. The longitudinal driver 3352 drives the longitudinal lifting beam 3351 to lift, and the clamping hand assembly 332 and the wire clamping seat 333 share one lifting device, so that the structure of the net bending unit 3 is simplified.

The bottom support frame of the bent net rack 31 is provided with a longitudinal driver mounting frame 312, a longitudinal driver 3352 is fixed on the longitudinal driver mounting frame 312, and the output end of the longitudinal driver 3352 is connected with the longitudinal lifting beam 3351. The longitudinal lifting beam 3351 comprises a rectangular frame which is perpendicular to the bottom support frame of the frame 31. The output end of the longitudinal driver 3352 is connected to the bottom rim of the rectangular frame, and the clamping assembly 332 and the wire holder 333 are respectively connected to the top rim of the rectangular frame. The longitudinal actuator 3352 is preferably a pneumatic cylinder with its piston rod facing downward and connected to the bottom rim of the rectangular frame. The piston rod of the air cylinder extends out to drive the bottom supporting frame to descend, and the piston rod of the air cylinder retracts to drive the bottom supporting frame to ascend.

In order to improve the lifting stability of the longitudinal lifting beam 3351 due to the large length dimension of the longitudinal lifting beam 3351, in the embodiment, two longitudinal drivers 3352 are provided to drive the longitudinal lifting beam 3351 to lift.

In order to improve the lifting stability of the longitudinal lifting beam 3351, in this embodiment, a guide structure is further provided, the guide structure includes a guide rail 3353 and a guide slider 3354, one of the guide rail 3353 and the guide slider 3354 is provided on both sides of the longitudinal lifting beam 3351, and the other is provided on the lift roller support frame 313.

In this embodiment, the gripper assembly 332 includes a plurality of grippers spaced side by side and disposed on one side of the lifting roller 331, as shown in fig. 9, each gripper includes a gripping jaw 3321 and a gripping jaw driver 3322 for driving the gripping jaw 3321 to open and close, and the gripping jaw 3321 is closed to grip the longitudinal bars of the welded mesh.

Specifically, clamping jaw 3321 includes that two clamping jaws divide the piece, and the clamping jaw divides the piece to include clamping part and two V-arrangement pole portions that are connected with the clamping part and the interval sets up, and two clamping jaws divide the V-arrangement pole portion cross arrangement of piece to be the X shape, and the middle part of two V-arrangement pole portions that every clamping jaw divides the piece all is through spacing hub connection to the angle that two clamping jaws divide the piece to open is restricted. The rectangular hole has all been seted up to the other end in the V-arrangement pole portion of every clamping jaw branch piece, and the rectangular hole extends along the length direction in V-arrangement pole portion, uses the drive shaft to wear to locate the rectangular hole on two clamping jaws branch pieces, has realized the connection that two clamping jaws divide the piece. The jaw driver 3322 is drivingly connected to the drive shaft to drive the clamping portions of the two jaw segments toward and away from each other. Jaw actuator 3322 is preferably a pneumatic cylinder with a piston rod extending to drive jaw 3321 open and a piston rod retracting to drive jaw 3321 closed. After the gripper assembly 332 is raised in the vertical direction, the longitudinal reinforcement of the wire mesh falls between the two clamping portions of the gripper, and the jaw driver 3322 drives the clamping portions of the two jaw segments toward each other to grip the reinforcement. In other embodiments, jaw 3321 may have other configurations, and is not particularly limited herein.

The wire clamping seat 333 in this embodiment includes a wire clamping seat body 3331, the wire clamping seat body 3331 is slidably connected to the longitudinal lifting beam 3351, and specifically, the wire clamping seat body 3331 is connected to a top frame of the rectangular frame of the longitudinal lifting beam 3351. The rectangle top frame is equipped with horizontal slider 3333, and the bottom surface of card silk pedestal 3331 is equipped with horizontal slide rail 3334, and horizontal slider 3333 slides and sets up on horizontal slide rail 3334. A plurality of L-shaped clamping blocks 3332 are arranged on the upper surface of the clamping wire seat body 3331 at intervals, the vertical end parts of the clamping blocks 3332 are connected with the upper surface of the clamping wire seat body 3331, and longitudinal steel bars of the steel bar welding net can be arranged in a space surrounded by the vertical part and the transverse part of the clamping blocks 3332. The wire clamping seat 333 is arranged at the other side of the supporting roller 331, and the wire clamping seat 333 fixes the steel bar welding net in the horizontal direction.

Furthermore, a guide plate 337 is arranged between the wire clamping seat 333 and the supporting roller 331, a plurality of notches 3371 are arranged on the guide plate 337 at intervals along the length direction of the guide plate 337, each notch 3371 can accommodate a longitudinal steel bar of the steel bar welding net to guide the placement position of the steel bar welding net, and can also position the steel bar welding net, so that a gripper can conveniently clamp the longitudinal steel bar of the steel bar welding net.

The bending mechanism 34 is disposed on one side of the wire clamping seat 333, opposite to the supporting roller 331, and is used for bending the steel bar welded mesh. In this embodiment, as shown in fig. 2, 10 and 11, the bending mechanism 34 includes a rotating cylinder 341, a wire pressing roller 342 is disposed on the rotating cylinder 341, and the wire pressing roller 342 is configured to contact with a position to be bent of the reinforcing bar welding net. A connecting rod assembly 343 is connected between the rotary cylinder 341 and the positioning mechanism 33, and preferably, the connecting rod assembly 343 is connected between the rotary cylinder 341 and a wire clamping seat 3331 of the wire clamping seat 333. The rotating cylinder 341 is connected with a bending driver 344, and the bending driver 344 drives the rotating cylinder 341 to rotate so as to adjust the distance between the wire pressing roller 342 and the position to be bent of the steel bar welding net, so as to realize bending of the steel bar welding net.

Specifically, both ends of the wire-pressing roller 342 are connected to the rotary cylinder 341 through a wire-pressing roller holder. The connecting rod assemblies 343 are provided with a plurality of groups, and the plurality of groups of connecting rod assemblies 343 are arranged at intervals along the length direction of the rotating cylinder 341. The connecting rod assembly 343 includes a first connecting rod 3431, one end of the first connecting rod 3431 is hinged to the positioning mechanism 33, and specifically, one end of the first connecting rod 3431 is connected to the clamping thread seat 3331 of the clamping thread seat 333. The other end of the first link 3431 is hinged to a second link 3432, the bottom of the rotary drum 341 is provided with a hinge seat 3434, the hinge seat 3434 is rotatably provided with a hinge shaft 3435, and the other end of the second link 3432 penetrates through the hinge shaft 3435 and is fixedly connected with the hinge shaft 3435. The middle of the first link 3431 is hinged to a third link 3433, and the other end of the third link 3433 is fixedly connected to the side wall of the rotating cylinder 341 near the positioning mechanism 33.

The bending machine frame 31 is provided with a bending driver mounting frame 314, a bending driver 344 is hinged on the bending driver mounting frame 314, and a driving end of the bending driver 344 is hinged with the bottom of the rotary cylinder 341. In this embodiment, the bending driver 344 is preferably a hydraulic cylinder, and a plurality of hydraulic cylinders are provided along the length direction of the rotating cylinder 341, and the hydraulic cylinder is used to provide a bending driving force to apply a sufficient bending force to the reinforcing bar welding net. The net bending machine frame 31 is further provided with a hydraulic station 35, and the hydraulic station 35 is connected with a hydraulic cylinder.

In this embodiment, the bending driver 344 is provided with a position detector 345, so that the driving stroke of the bending driver 344 can be controlled, thereby controlling the bending angle of the steel mesh. The position detector 345 is preferably an encoder.

After the reinforcing steel bar welding net is bent, the bent net unit 3 moves to the next position to be bent, and in order to avoid deformation caused by self-weight sagging of the reinforcing steel bar welding net, the lifting platform unit 2 supports the bent reinforcing steel bar welding net. In this embodiment, as shown in fig. 12 to fig. 15, the lifting platform unit 2 includes a lifting base 21 and a lifting plate 22, the lifting plate 22 is disposed above the lifting base 21, a supporting roller 23 is disposed on a top surface of the lifting plate 22 for supporting the steel bar welding net, and the supporting roller 23 is disposed to facilitate taking off the steel bar welding net from the lifting platform unit 2, so as to reduce friction between the steel bar welding net and the lifting platform unit 2.

The lifting driving assembly 24 comprises an inner supporting beam 241 and an outer supporting beam 242 which are arranged in a crossed manner and hinged in the middle, and the inner supporting beam 241 and the outer supporting beam 242 are connected to form a scissor shape. One end of the inner support beam 241 is slidably connected to the lifting base 21, and the other end of the inner support beam 241 is hinged to the lifting plate 22. One end of the outer support beam 242 is slidably connected to the lifting plate 22, and the other end of the outer support beam 242 is slidably connected to the lifting base 21. The extent to which the outer support beam 242 and the inner support beam 241 slide determines the height at which the lifter plate 22 is raised.

Specifically, the lifting plate 22 and the lifting base 21 are both provided with elongated sliding grooves, the end portions of the outer support beam 242 and the inner support beam 241 are both hinged with sliding blocks, and the sliding blocks slide in the elongated sliding grooves.

The lift drive assembly 24 further includes a lift drive hingedly disposed on one of the outer support beam 242 and the inner support beam 241, with a drive end of the lift drive hingedly connected to the other.

In this embodiment, the lift drive includes an inner support lift drive 243 and an outer support lift drive 244. In order to improve the supporting force for the lifting plate 22, in this embodiment, at least two sets of inner supporting beams 241 and outer supporting beams 242 are arranged in a crossing manner and hinged in the middle, the inner supporting beams 241 are connected by a first inner supporting connecting beam 246 and a second inner supporting connecting beam 247, the first inner supporting connecting beam 246 and the second inner supporting connecting beam 247 are arranged near the hinged joint of the inner supporting beam 241 and the outer supporting beam 242, and the first inner supporting connecting beam 246 and the second inner supporting connecting beam 247 are arranged on both sides of the hinged joint. The outer supporting beams 242 are connected through a first outer supporting connecting beam 248 and a second outer supporting connecting beam 249, the first outer supporting connecting beam 248 is arranged close to a hinge point of the outer supporting beam 242 and the lifting base 21, and the second outer supporting connecting beam 249 is arranged close to a sliding connection position of the outer supporting beam 242 and the lifting plate 22. The inner support lifting driver 243 is hinged on the first outer support connecting beam 248, the driving end of the inner support lifting driver 243 is hinged with the second inner support connecting beam 247, and preferably, the driving end of the inner support lifting driver 243 is connected with the second inner support connecting beam 247 through a fisheye joint. The outer support lifting driver 244 is hingedly mounted on a second outer support link 249, the drive end of the outer support lifting driver 244 is hingedly connected to the first inner support link 246, and preferably the drive end of the outer support lifting driver 244 is connected to the first inner support link 246 by a fisheye joint. The inner supporting lifting driver 243 and the outer supporting lifting driver 244 are installed in a manner that the lifting plate 22 is driven to lift, and meanwhile, the lifting plate 22 is not influenced to descend to be attached to the lifting base 21, so that sufficient walking space is provided for the net bending unit 3.

Both inner support elevator drive 243 and outer support elevator drive 244 are preferably pneumatic cylinders.

The lifting driving assembly 24 further includes an auxiliary driver 245, and the auxiliary driver 245 is used for preferentially lifting the lifting board 22 by a preset height, that is, after the auxiliary driver 245 pushes the lifting board 22 to rise by a certain height, the inner supporting lifting driver 243 and the outer supporting lifting driver 244 push the inner supporting beam 241 and the outer supporting beam 242 to rise, so that the lifting board 22 rises to a specified height to support the mesh reinforcement.

In this embodiment, the auxiliary actuator 245 includes an auxiliary cylinder, a lifting plate is connected to an end of a piston rod of the auxiliary cylinder, and a contact plate capable of contacting with the lifting plate is disposed on the lifting plate 22. When the lifting plate 22 is at the lowest position, the contact plate comes into contact with the lift plate. When the lifting plate 22 needs to be lifted, the auxiliary cylinder drives the lifting plate to be lifted to lift the lifting plate 22 upwards, and after the lifting plate is lifted to a certain height, the inner supporting lifting driver 243 and the outer supporting lifting driver 244 push the lifting plate 22 to be lifted.

Preferably, auxiliary drives 245 are provided on at least two opposite sides of the lifter plate 22 to provide uniform force to the lifter plate 22.

When using the reinforcing bar to weld net bending machine bending reinforcing bar welding net that this embodiment provided, will treat the reinforcing bar welding net of buckling and place in reinforcing bar welding net bending machine's processing position department, bent net unit 3 welds the position of treating the processing position adjustment on floorbar 1 of net according to the reinforcing bar, then welds the net to the reinforcing bar and buckles, has welded the net at this reinforcing bar of having buckled, bent net unit 3 need move to the next and treat the bent position after, the reinforcing bar welding net that the completion of buckling is supported by lift platform unit 2.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A steel bar welding net bending forming machine is characterized by comprising:

a bottom beam (1);

the lifting platform units (2) are arranged in a plurality, the lifting platform units (2) are arranged at intervals along the length direction of the bottom beam (1), and the lifting platform units (2) can ascend to support the bent steel bar welding net;

the bent net unit (3) is used for bending a steel bar welding net, the bent net unit (3) walks and is arranged on the bottom beam (1), and the bent net unit (3) can walk to cross the lifting platform unit (2) in a descending state.

2. A reinforcement grid bending machine according to claim 1, characterized in that the grid bending unit (3) comprises:

a net bender frame (31);

the travelling mechanism (32) is arranged on the net bending machine frame (31), and the travelling mechanism (32) can enable the net bending machine frame (31) to move relative to the bottom beam (1);

the positioning mechanism (33) is arranged on the net bending rack (31) and used for fixing the steel bar welded net to be bent;

and the bending mechanism (34) is used for bending the steel bar welding net.

3. The machine for bending and forming net according to claim 2, wherein said travelling mechanism (32) comprises:

the walking wheels (321) are arranged on two opposite sides of the net bending machine frame (31), and walking tracks (11) matched with the walking wheels (321) are arranged on the bottom beam (1); and

and the walking driving assembly (322) drives the net bending frame (31) to move relative to the bottom beam (1).

4. The reinforcement welding mesh bending machine according to claim 3, wherein the walking drive assembly (322) comprises:

the walking driver (3221) is arranged on the net bending machine frame (31);

the walking shaft (3222) is in driving connection with the walking driver (3221), and the walking driver (3221) drives the walking shaft (3222) to rotate;

driving wheels (3223) disposed at two opposite sides of the net bending machine frame (31), wherein the two driving wheels (3223) are connected to two ends of the traveling shaft (3222);

a driven wheel (3224) engaged with the driving wheel (3223);

and the walking rack (3225) is arranged on the bottom beam (1) and extends along the length direction of the bottom beam (1), and the walking rack (3225) is meshed with the driven wheel (3224).

5. The machine for bending and forming a welded steel mesh according to claim 2, characterized in that said positioning means (33) comprise:

the lifting roller (331) is used for supporting the steel bar welding net to be bent;

the clamping hand assembly (332) is arranged below the supporting roller (331) and used for clamping longitudinal steel bars of the steel bar welding net;

the wire clamping seat (333) is arranged below the supporting roller (331) and used for clamping the position to be bent of the longitudinal steel bar of the steel bar welding net;

the longitudinal driving assembly (335) is used for driving the clamping hand assembly (332) and the wire clamping seat (333) to lift;

and the transverse driving assembly (336) drives the wire clamping seat (333) to horizontally move so as to clamp the position to be bent of the longitudinal steel bars of the steel bar welding net.

6. A reinforcement grid bending machine according to claim 5, wherein said longitudinal drive assembly (335) comprises:

the clamping handle assembly (332) is fixedly arranged on the longitudinal lifting beam (3351), and the clamping screw seat (333) is horizontally and slidably arranged on the longitudinal lifting beam (3351);

and the longitudinal driver (3352) drives the longitudinal lifting beam (3351) to lift.

7. The machine according to claim 5, wherein the gripper assembly (332) comprises a plurality of spaced side-by-side grippers, each gripper comprising a jaw (3321) and a jaw actuator (3322) for actuating the jaw (3321) to open and close.

8. The machine for bending and forming a welded steel mesh according to claim 2, characterized in that said bending mechanism (34) comprises:

the wire pressing device comprises a rotating cylinder (341), wherein a wire pressing roller (342) is arranged on the rotating cylinder (341), and the wire pressing roller (342) is used for being in contact with a position to be bent of a steel bar welding net;

a link assembly (343) connecting the rotary cylinder (341) and the positioning mechanism (33);

and the bending driver (344) drives the rotating cylinder (341) to rotate so as to adjust the distance between the wire pressing roller (342) and the position to be bent of the steel bar welding net.

9. A reinforcement grid bending machine according to claim 1, characterized in that the lifting platform unit (2) comprises:

a lifting base (21);

the lifting plate (22) is arranged above the lifting base (21), and a supporting roller (23) is arranged on the top surface of the lifting plate (22);

the lifting driving assembly (24) is connected with the lifting base (21) and the lifting plate (22), the lifting driving assembly (24) enables the lifting plate (22) to ascend to support the bent steel bar welding net and enable the lifting plate (22) to descend to be attached to the lifting base (21).

10. The machine for bending and forming wire-reinforced welding meshes according to claim 9, characterized in that said lifting drive assembly (24) comprises:

the lifting device comprises an inner supporting beam (241) and an outer supporting beam (242) which are arranged in a crossed mode and hinged to the middle, wherein one end of the inner supporting beam (241) is connected with the lifting base (21) in a sliding mode, the other end of the inner supporting beam (241) is hinged to the lifting plate (22), one end of the outer supporting beam (242) is connected with the lifting plate (22) in a sliding mode, and the other end of the outer supporting beam (242) is hinged to the lifting base (21);

the lifting driver is hinged to one of the outer supporting beam (242) and the inner supporting beam (241), and the driving end of the lifting driver is hinged to the other one;

an auxiliary drive (245) for preferentially jacking the lifting plate (22) upward by a preset height.

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