CN115229081A - Two-dimensional bending, cutting and welding machine for bent frame - Google Patents

Abstract

The invention belongs to the technical field of welding, and particularly relates to a two-dimensional bent frame bending, cutting and welding machine which comprises a machine table, an iron wire conveying mechanism, a bending mechanism, a cutting mechanism and a welding mechanism; the iron wire conveying mechanism and the bending mechanism are sequentially arranged on the machine table, the bending mechanism is provided with a bending fixing part and a bending moving part, and the bending moving part moves and the bending fixing part extrudes the iron wire to bend the iron wire; the cutting mechanism is arranged between the iron wire conveying mechanism and the bending mechanism and is used for cutting off the iron wires conveyed by the iron wire conveying mechanism; the welding mechanism comprises a mounting seat, a butt welding mechanism and two clamping mechanisms; the installation seat sets up on the board, and butt welding mechanism sets up on the installation seat, and butt welding mechanism sets up on shutdown mechanism's top including the welding end, and two fixture set up in butt welding mechanism's both sides relatively for both ends to the welding end butt welding of butt welding mechanism after the centre gripping iron wire is cut off. This two-dimensional curved frame cuts off welding machine of bending can realize continuous processing, can raise the efficiency.

Description

Two-dimensional bending, cutting and welding machine for bent frame

Technical Field

The invention belongs to the technical field of automatic welding, and particularly relates to a two-dimensional bending, cutting and welding machine for a bent frame.

Background

The iron ring and the iron frame are common equipment, are used for manufacturing frame bodies and are also applied to the building industry. The iron ring and the iron frame are generally bent and cut by iron wires, and then two ends of the iron ring and the iron frame are butt welded to form a closed frame structure. The production process of the iron ring and the iron frame comprises the steps of firstly bending an iron wire according to a specified shape structure and cutting off the iron wire, or firstly cutting off the iron wire in a fixed length and then bending the iron wire; after bending and cutting, the two ends of the steel plate are welded into a whole.

At present, in the production process of the iron frame and the iron ring, the bending and the cutting of the shape structure are continuously completed through bending equipment, and the iron frame and the iron ring are collected after being cut and bent and are transferred to welding equipment to complete butt welding so as to form a complete iron frame or iron ring structure. When the bent and cut iron frame is transferred to a welding position, the iron frame needs to be fed again, so that the efficiency is low; and an opening exists in the unwelded iron frame, so that other iron frames can be clamped into the iron ring from the opening, and the iron frames need to be separated during subsequent welding, so that inconvenience is caused for the subsequent welding.

Disclosure of Invention

The invention aims to provide a two-dimensional bent frame bending, cutting and welding machine, which solves the problems that the current iron frame or iron ring has low bending, cutting and welding efficiency and is inconvenient to weld.

In order to achieve the purpose, the two-dimensional bending frame bending, cutting and welding machine provided by the embodiment of the invention is used for bending, cutting and welding an iron wire to form an iron ring; comprises a machine table, an iron wire conveying mechanism, a bending mechanism, a cutting mechanism and a welding mechanism; the iron wire conveying mechanism and the bending mechanism are sequentially arranged on the machine table, the bending mechanism is provided with a bending fixing part and a bending moving part, and the bending moving part moves and the bending fixing part extrudes the iron wire to bend the iron wire; the cutting mechanism is arranged between the iron wire conveying mechanism and the bending mechanism and is used for cutting off the iron wires conveyed by the iron wire conveying mechanism; the welding mechanism comprises a mounting seat, a butt welding mechanism and two clamping mechanisms; the installation seat sets up on the board, and butt welding mechanism sets up on the installation seat, and butt welding mechanism sets up on shutdown mechanism's top including the welding end, and two fixture set up in butt welding mechanism's both sides relatively for both ends to the welding end butt welding of butt welding mechanism after the centre gripping iron wire is cut off.

Further, the cutting mechanism comprises a die holder, a cutter and a lifting driving piece; the die holder sets up on the board, and upward extension has step portion on the die holder, is provided with the through wires hole in the step portion for the iron wire passes, is provided with the guiding hole on the die holder, and the lift driving piece sets up in the bottom of die holder, is provided with the guide that passes the guiding hole on the lift driving piece, and the cutter setting is on the guide, and the cutter forms shearing portion with the terminal surface in through wires hole.

Further, the butt welding mechanism comprises a first fixed conductive seat, a first movable clamping block, a second fixed conductive seat, a second movable clamping block, a first air cylinder, a second air cylinder and a resistance welding host; the lower end of the mounting seat is provided with a clearance gap, and the first fixed conductive seat and the second fixed conductive seat are oppositely arranged at the upper end of the clearance gap; the first movable clamping block extends upwards to form a first connecting part which is pivoted with the first fixed conductive seat, and the back side of the mounting seat extends to form a first mounting part; the main body of the first cylinder is rotationally connected to the first mounting part, and the telescopic rod is pivoted with the tail end of the first movable clamping block; the second movable clamping block extends upwards to form a second connecting part which is pivoted with the second fixed conductive seat, and the back side of the mounting seat extends to form a second mounting part; the main body of the second cylinder is rotationally connected to the second mounting part, and the telescopic rod is pivoted with the tail end of the second movable clamping block; the first cylinder drives the first movable clamping block to swing upwards to clamp the iron wire on one clamping mechanism with the first fixed conductive block, the second cylinder drives the second movable clamping block to swing upwards to clamp the iron wire clamped by the other clamping mechanism with the second fixed conductive seat, and therefore two ends of the iron wire are in butt joint and form a welding current loop with the resistance welding host.

Further, butt welding mechanism still includes translation mechanism, sets up the dorsal part at the mount pad, and translation mechanism is including the translation seat, and the fixed conductive seat of second and second installation department all connect on the translation seat, and translation mechanism is used for driving the one end of the fixed conductive seat centre gripping iron wire of second activity clamp splice and second and removes to the other end of iron wire.

Furthermore, a guide plate is arranged between the first fixed conductive seat and the second fixed conductive seat, and a V-shaped positioning groove is formed in the bottom end of the guide plate and used for positioning the end part of the iron wire; the upper end of deflector is connected with lift cylinder, and lift cylinder connects on the mount pad for the pulling deflector rebound.

Further, the bending mechanism comprises a fixed seat, a mandrel, a rotating sleeve and a rotary driving piece, the fixed seat is arranged in the machine table, the mandrel is connected to the fixed seat, the upper end of the mandrel extends out of the upper surface of the machine table, and the top end of the mandrel is provided with a limiting groove; the rotary sleeve is rotatably sleeved on the mandrel, and the top end of the rotary sleeve is provided with a shifting part which is used for bending an iron wire together with the limiting groove; the rotary driving piece is connected with the rotary sleeve and used for driving the rotary sleeve to rotate.

Further, the fixed seat comprises two guide columns, a top plate, a bottom plate and a first lifting plate, the two guide columns are mutually connected with the top plate and the bottom plate in parallel, and the top plate is connected to the machine table; the first lifting plate is connected with the two guide pillars in a vertically sliding mode, the lower end of the mandrel is connected with the first lifting plate, and a first lifting cylinder is further arranged at the bottom of the bottom plate and connected with the first lifting plate and used for driving the mandrel to extend upwards.

Furthermore, the fixed seat also comprises a second lifting plate which is connected with the two guide posts in a vertically sliding manner; the bottom of the top plate is also provided with a guide sleeve, the rotary sleeve penetrates through the guide sleeve in a vertically sliding mode, the bottom end of the rotary sleeve is connected with a second lifting plate, and a second lifting cylinder connected with the second lifting plate is arranged on the bottom plate.

Further, a guide plate is arranged at the top of the machine table and is positioned between the cutting mechanism and the iron wire conveying mechanism; the guide plate is internally provided with a lead hole, the upper surface of the guide plate is provided with two inclined planes, and the two inclined planes form an obtuse angle structure.

Further, the iron wire conveying mechanism comprises a plurality of groups of roller groups and a driving motor, and the plurality of groups of roller groups are sequentially arranged on the machine table; the roller group comprises a driving roller, a sliding block, a driven roller, a first compression spring, a second compression spring and an adjusting screw rod; the driving roller is rotationally connected to the machine table, a driving gear is arranged at the bottom of the driving roller, and the driving gear is linked with a driving motor; the machine table is also provided with a sliding chute, the sliding block is connected in the sliding chute in a sliding manner, the sliding chute is divided into a first cavity and a second cavity by the sliding block, the first compression spring is arranged in the first cavity and used for extruding one side of the sliding block, and the second compression spring is arranged in the second cavity and used for extruding the other side of the sliding block; the adjusting screw is in threaded connection with the machine table, and one end of the adjusting screw is abutted against the second compression spring and is used for extruding and adjusting the second compression spring; the driven roller is rotatably connected to the sliding block, and a driven gear is arranged at the bottom end of the driven roller and used for meshing with the driving gear.

One or more technical schemes in the two-dimensional bending frame bending cutting welding machine provided by the embodiment of the invention at least have the following technical effects:

one end of the iron wire sequentially penetrates through the iron wire conveying mechanism, the cutting mechanism and the bending mechanism, the iron wire conveying mechanism pushes the iron wire forwards, and after the iron wire is conveyed for a section of length, the bending mechanism finishes bending the iron wire for one section until the iron wire is bent to form an iron ring or iron frame structure. After bending into iron ring or iron frame structure, cut off the iron wire by shutdown mechanism, fixture holds the both ends of iron ring or iron frame respectively downwards simultaneously to move to the welding end welding of butt welding mechanism. In the butt welding process, the bending mechanism can finish the bending processing of the other iron frame, so that the continuous processing is realized, and the efficiency can be improved. In addition, the problem that the iron frame and the iron frame or the iron ring and the iron ring are buckled with each other is also avoided.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments or the prior art description will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings may be obtained according to these drawings without inventive labor.

Fig. 1 is a structural diagram of a two-dimensional bending frame cutting and welding machine according to an embodiment of the present invention.

FIG. 2 is a structural diagram of a two-dimensional curved frame bending cut-off welding machine provided by an embodiment of the invention.

Fig. 3 is a back side structure diagram of a welding mechanism of a two-dimensional bending frame bending cutting welding machine according to an embodiment of the invention.

Fig. 4 is a structural diagram of a first movable clamping block portion of a two-dimensional bending frame cutting and welding machine according to an embodiment of the invention.

Fig. 5 is a structural diagram of a second movable clamping block portion of a two-dimensional bending frame cutting and welding machine according to an embodiment of the invention.

Fig. 6 is a structural diagram of a wire conveying mechanism part of a two-dimensional bending frame bending cutting welding machine according to an embodiment of the invention.

Fig. 7 is a right side view of a wire feeding mechanism portion of a two-dimensional bending frame cutting and welding machine according to an embodiment of the present invention.

Fig. 8 is a structural diagram of a cutting mechanism of a two-dimensional bending frame cutting and welding machine according to an embodiment of the invention.

Fig. 9 is a structural diagram of a bending mechanism of a two-dimensional bending frame bending cutting welding machine according to an embodiment of the invention.

FIG. 10 is a cross-sectional view of a bending mechanism of a two-dimensional frame bending cut-off welding machine according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the embodiments of the present invention and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In an embodiment of the present invention, the two-dimensional bending frame cutting and welding machine provided in this embodiment is used for bending, cutting and welding an iron wire to form an iron ring, where the iron ring may be a circular iron frame or a square iron frame. Referring to fig. 1 to 10, the two-dimensional bending, cutting and welding machine includes a machine table 100, an iron wire conveying mechanism 200, a bending mechanism 300, a cutting mechanism 400, and a welding mechanism 500. The iron wire conveying mechanism 200 and the bending mechanism 300 are sequentially disposed on the machine 100, and the bending mechanism 300 has a bending fixing portion and a bending moving portion, and the bending moving portion moves and the bending fixing portion presses the iron wire to bend the iron wire. The cutting mechanism 400 is provided between the wire feeding mechanism 200 and the bending mechanism 300, and is configured to cut the wire fed by the wire feeding mechanism 200. The welding mechanism 500 includes a mount 510, a butt welding mechanism 520, and two clamping mechanisms 530. The mount pad 510 sets up on board 100, and butt welding mechanism 520 sets up on mount pad 510, and butt welding mechanism 520 sets up on shutdown mechanism's top including the welding end. The two clamping mechanisms 530 are oppositely disposed at two sides of the butt welding mechanism 520, and are used for clamping two ends of the cut iron wire to the welding end of the butt welding mechanism 520 for butt welding. Specifically, one end of the iron wire sequentially passes through the iron wire conveying mechanism 200, the cutting mechanism 400 and the bending mechanism 300, the iron wire is pushed forward by the iron wire conveying mechanism 200, and after the iron wire is conveyed for a certain length, the bending mechanism 300 finishes bending the iron wire for a certain length until the iron wire is bent to form an iron ring or iron frame structure. After being bent into an iron ring or an iron frame structure, the iron wire is cut by the cutting mechanism 400, and meanwhile, the clamping mechanisms 530 respectively clamp the two ends of the iron ring or the iron frame downwards and move to the welding ends of the butt welding mechanism 520 for welding. In the butt welding process, the bending mechanism can finish the bending processing of the other iron frame, so that the continuous processing is realized, and the efficiency can be improved. In addition, the problem that the iron frame and the iron frame or the iron ring and the iron ring are buckled with each other is also avoided.

Further, in order to better collect the welded iron ring without affecting the bending and welding of the next iron ring, the top surface of the machine table 100 is inclined and faces the front side obliquely, so that the welded iron ring slides down along the table top plate of the machine table 100, and a collecting frame may be disposed at the front side of the machine table 100 to collect the sliding iron ring.

Still further, referring to fig. 2, the clamping mechanism 530 includes: a lifting slide table 531 which is provided at the front side of the mount base 510 to be slidable up and down; the driving cylinder 532 is arranged on the mounting base 510, is connected with the lifting sliding table 531, and is used for driving the lifting sliding table 531 to slide up and down; and the clamping cylinder 533 is arranged on the lifting sliding table 531, and the clamping cylinder 533 is provided with two clamping blocks which are opened at an included angle. When clamping the two ends of the bent iron ring, the driving cylinder 532 pushes the lifting sliding table 531 to move downwards, so that the clamping cylinder 533 can clamp the end of the iron ring and clamp the welding end of the butt welding mechanism 520, and the welding of the iron ring is completed. Further, to achieve synchronization, the two sets of gripping mechanisms 530 may share the same set of lift slide 531 and drive cylinder 532.

Further, referring to fig. 8, the cutting mechanism 400 includes a die holder 410, a cutter 420, and an elevating drive 430. The die holder 410 is arranged on the machine table 100, a stepped portion 411 extends upwards from the die holder 410, a threading hole 412 is formed in the stepped portion 411 and used for an iron wire to pass through, a guide hole 413 is formed in the die holder 410, the lifting driving piece 430 is arranged at the bottom end of the die holder 410, a guide part 431 passing through the guide hole 413 is arranged on the lifting driving piece 430, the cutter 420 is arranged on the guide part 431, and the cutter 420 and the end face of the threading hole 413 form a cutting part. In this embodiment, the iron wire output by the iron wire conveying mechanism 200 passes through the threading hole 412; when the iron wire is cut by the cutting mechanism 400, the guide 431 is driven by the elevation driving member 430 to move upward, so that the cutting knife 420 and the end surface of the wire threading hole 412 cut the iron wire.

Further, referring to fig. 1 to 5, the butt welding mechanism 520 includes a first fixed conductive seat 521, a first movable clamping block 522, a second fixed conductive seat 523, a second movable clamping block 524, a first cylinder 525, a second cylinder 526, and a resistance welding host (not shown in the drawings). The lower end of the mounting seat 510 is provided with a clearance gap, and the first fixed conductive seat 521 and the second fixed conductive seat 523 are oppositely disposed at the upper end of the clearance gap. The first movable clamping block 522 extends upward to form a first connecting portion 527, the first connecting portion 527 is pivotally connected to the first fixed conductive socket 521, and a first mounting portion 540 extends from the back side of the mounting base 510. The main body of the first cylinder 525 is rotatably connected to the first mounting part 540, and the telescopic rod is pivotally connected to the tail end of the first movable clamping block 522, so that the first movable clamping block 522 can be driven by the first cylinder 525 to swing up and down, and the first cylinder 525 and the first fixed conductive seat 521 clamp the end of the iron ring. The second movable clamping block 524 has a second connecting portion 528 extending downward, the second connecting portion 528 is pivotally connected to the second fixed conductive pad 523, and a second mounting portion 550 extends from a back side of the mounting base 510. The main body of the second cylinder 526 is rotatably connected to the second mounting portion 550, and the telescopic rod is pivotally connected to the rear end of the second movable clamping block 524. Specifically, before the butt welding mechanism 520 welds the iron ring, the first air cylinder 525 drives the first movable clamping block 522 to swing to the lowest position, and the second air cylinder drives the second movable clamping block 522 to swing to the lowest position; thus avoiding the wire held by the holding mechanism 530. After the two ends of the iron wire clamped by the clamping mechanism are respectively abutted against the bottoms of the first fixed conductive seat 521 and the second fixed conductive seat 523, the first cylinder 525 drives the first movable clamping block 522 to swing upwards to clamp one end of the iron wire with the first fixed conductive seat 521; and the second cylinder 526 drives the second movable clamping block 524 to swing upwards, and the other end of the iron wire is clamped by the second fixed conductive seat 523, so that the two ends of the iron wire can be butted and form a welding current loop with the resistance welding host, and current is formed through the resistance welding host, so that the two ends of the iron wire can be welded together to form an integral structure.

Further, referring to fig. 2 and 3, the butt welding mechanism 520 further includes a translation mechanism 560 disposed on the back side of the mounting seat 510, the translation mechanism 560 includes a translation seat 561, the second fixed conductive seat 523 and the second mounting portion 550 are both connected to the translation seat 561, and the translation mechanism 560 is configured to drive one ends of the second movable clamping block 524 and the second fixed conductive seat 523, which clamp the iron wire, to move toward the other end of the iron wire, so that two ends of the iron wire are butted, and the welding is firmer.

Further, referring to fig. 2, a guide plate 529 is further disposed between the first fixed conductive seat 521 and the second fixed conductive seat 523, a V-shaped positioning groove is disposed at the bottom end of the guide plate 529, and is used for positioning the end of an iron wire, when the two ends of the iron ring are lifted upwards, the two ends of the iron ring are guided and positioned by the V-shaped positioning groove, so that the two ends of the iron ring can be aligned, and the welding precision is improved. The upper end of the guide plate 529 is connected to a lifting cylinder 52, and the lifting cylinder 52 is connected to the mounting base 510 for pulling the guide plate 529 to move upwards. Make deflector 529 to the back of iron ring both ends location, with stagger with the iron ring, avoid with the welding of deflector 529 together.

Further, referring to fig. 9 and 10, the bending mechanism 300 includes a fixing base 310, a mandrel 320, a rotating sleeve 330, and a rotary driver 340. The fixing seat 310 is arranged in the machine table 100, the mandrel 320 is connected to the fixing seat 310, the upper end of the mandrel 320 extends out of the upper surface of the machine table 100, and the top end of the mandrel 320 is provided with a limiting groove 321; the rotating sleeve 330 is rotatably sleeved on the mandrel 320, and a shifting part 331 is arranged at the top end of the rotating sleeve 330 and is connected with the limiting groove 321 to bend an iron wire. The rotary driving member 340 is connected to the rotary sleeve 330 for driving the rotary sleeve 330 to rotate. In this embodiment, when bending the iron wire, the iron wire passes through the limiting groove 321, and when bending, the rotary driving member 340 drives the rotary sleeve 330 to rotate, and the iron wire is shifted and bent through the shifting portion 331 and the limiting groove 321. Specifically, the rotary driving member 340 is a motor, and the rotary sleeve 330 is driven to rotate by the motor.

Further, referring to fig. 9 and 10, the fixing base 310 includes two guide posts 311, a top plate 312, a bottom plate 313 and a first lifting plate 314. The two guide posts 311 are parallel to each other and connect the top plate 312 and the bottom plate 313, and the top plate 312 is connected to the machine 100. The first lifting plate 314 is connected with the two guide posts 311 in a vertically sliding manner, the lower end of the mandrel 320 is connected with the first lifting plate 314, and the bottom of the bottom plate 313 is further provided with a first lifting cylinder 350 connected with the first lifting plate 314 and used for driving the mandrel 320 to extend upwards. In this embodiment, when shutdown mechanism 400 cuts off the iron wire, can promote first lifter plate 314 upwards through first lift cylinder 350 for dabber 320 and shutdown mechanism 400 simultaneous rebound, consequently when cutting off the iron wire, play upwards lifting supporting role to the iron wire through the dabber, break away from bending mechanism 300 after firstly avoiding the iron wire to cut off, lead to the unable tip of centre gripping to the iron wire of fixture 530, secondly can make the incision after the iron wire cuts off level and smooth, the both ends welding of being convenient for.

Further, referring to fig. 9 and 10, the fixing base 310 further includes a second lifting plate 315 slidably connecting the two guide posts 311 up and down. The bottom of the top plate 312 is further provided with a guide sleeve 316, the rotating sleeve 330 passes through the guide sleeve 316 in a vertically sliding manner, the bottom end of the rotating sleeve 330 is connected with a second lifting plate 315, and the bottom plate 313 is provided with a second lifting cylinder 317 connected with the second lifting plate 315. In this embodiment, after the cutting mechanism 400 cuts the iron wire, the second lifting plate 315 can be pushed by the second lifting cylinder 317 to be lifted upwards, and then the rotating sleeve 330 is pushed to be lifted upwards, so that the cut iron wire can be lifted upwards, a gap is formed between the iron wire and the top surface of the machine table 100, and the clamping mechanism 530 is convenient to clamp the end of the iron wire.

Further, a guide plate 110 is disposed on the top of the machine 100, referring to fig. 8, the guide plate 110 is located between the cutting mechanism 400 and the iron wire conveying mechanism 200. A lead hole 111 is provided in the guide plate 110, and an iron wire is passed through the lead hole 111 and extended to the cutting mechanism 400. The upper surface of the guide plate 110 is provided with two inclined surfaces 112, and the two inclined surfaces form an obtuse angle structure. Since one end of the wire bent by the bending mechanism 300 is caught by the guide plate 110, the end of the wire can be caught along the inclined surface 112 when the tail end of the wire is held by the holding mechanism 530.

Further, referring to fig. 6 and 7, the wire conveying mechanism 200 includes a plurality of sets of roller groups 210 and a driving motor 220, and the plurality of sets of roller groups 210 are sequentially disposed on the machine table 100. Wherein, the roller group 210 includes a driving roller 211, a slider 212, a driven roller 213, a first compression spring 214, a second compression spring 215, and an adjustment screw 216. The driving roller 211 is rotatably connected to the machine 100, a driving gear 217 is disposed at the bottom of the driving roller 211, and the driving gear 217 is linked with the driving motor 220. Still be provided with spout 101 on the board 100, slider 212 sliding connection is in spout 101, and slider 212 divides the spout into first cavity and second cavity, and first compression spring 214 sets up in first cavity for extrude one side of slider 212, and second compression spring 215 sets up in the second cavity, is used for extruding the opposite side of slider 212. The adjusting screw 216 is connected to the machine 100 by a screw, and one end of the adjusting screw abuts against the second compression spring 215 for pressing and adjusting the compression elasticity of the second compression spring 215. The driven roller 213 is rotatably connected to the slider 212, and a driven gear 218 is provided at a bottom end of the driven roller 213 to engage with the driving gear 217. In this embodiment, a conveying channel is formed by the driving roller 211 and the driven roller 213, so that the iron wire can pass through between the driving roller 211 and the driven roller 213, the driving gear 217 is driven to rotate by the driving motor 220, and the driven roller 213 and the driving roller 211 are driven by the driven gear 218 to convey the iron wire at the same time, so as to convey the iron wire to the front end. In addition, adjust the extrusion force of second compression spring 215 through adjusting screw 216, consequently can be according to the iron wire be diameter size adjustment second compression spring 215 for it can adapt to the iron wire of different sizes and carry. And this structure can also make driven roller 213 realize two-way floating, can make initiative gyro wheel 211 and driven roller 213 press from both sides the iron wire all the time, guarantees that it can carry smoothly.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A two-dimensional bending frame bending cutting welding machine is used for bending, cutting and welding an iron wire to form an iron ring; the device is characterized by comprising a machine table, an iron wire conveying mechanism, a bending mechanism, a cutting mechanism and a welding mechanism; the iron wire conveying mechanism and the bending mechanism are sequentially arranged on the machine table, the bending mechanism is provided with a bending fixing part and a bending moving part, and the bending moving part moves and the bending fixing part extrudes the iron wire to bend the iron wire; the cutting mechanism is arranged between the iron wire conveying mechanism and the bending mechanism and is used for cutting off the iron wires conveyed by the iron wire conveying mechanism; the welding mechanism comprises a mounting seat, a butt welding mechanism and two clamping mechanisms; the installation seat is arranged on the machine table, the butt welding mechanism is arranged on the installation seat, the butt welding mechanism comprises a welding end and is arranged at the top end of the cutting mechanism, and the two clamping mechanisms are oppositely arranged on two sides of the butt welding mechanism and used for clamping two ends of the cut iron wire to the welding end of the butt welding mechanism for butt welding.

2. The two-dimensional bending, cutting and welding machine for the bent frame according to claim 1, characterized in that: the cutting mechanism comprises a die holder, a cutter and a lifting driving piece; the utility model discloses a wire drawing machine, including the board, the board is provided with the die holder, the die holder sets up on the board, upwards extend on the die holder has step portion, be provided with the through wires hole in the step portion, be used for the iron wire passes, be provided with the guiding hole on the die holder, the setting of lift driving piece is in the bottom of die holder, be provided with on the lift driving piece and pass the guiding piece of guiding hole, the cutter sets up on the guiding piece, the cutter with the terminal surface in through wires hole forms shearing portion.

3. The two-dimensional bending, cutting and welding machine for the bent frame according to claim 1, characterized in that: the butt welding mechanism comprises a first fixed conductive seat, a first movable clamping block, a second fixed conductive seat, a second movable clamping block, a first air cylinder, a second air cylinder and a resistance welding host; a clearance gap is formed in the lower end of the mounting seat, and the first fixed conductive seat and the second fixed conductive seat are oppositely arranged at the upper end of the clearance gap; the first movable clamping block extends upwards to form a first connecting part, the first connecting part is pivoted with the first fixed conductive seat, and a first mounting part extends from the back side of the mounting seat; the main body of the first cylinder is rotationally connected to the first mounting part, and the telescopic rod is pivoted with the tail end of the first movable clamping block; the second movable clamping block extends upwards to form a second connecting part, the second connecting part is pivoted with the second fixed conductive seat, and a second mounting part extends from the back side of the mounting seat; the main body of the second cylinder is rotationally connected to the second mounting part, and the telescopic rod is pivoted with the tail end of the second movable clamping block; first cylinder drive first activity clamp splice upwards swing, with first fixed conducting block centre gripping is one iron wire on the fixture, second cylinder drive second activity clamp splice upwards swing, with the fixed conducting seat centre gripping of second is another the fixture centre gripping the iron wire makes the both ends butt joint of iron wire, and with the resistance welding host computer forms the welding current return circuit.

4. The two-dimensional bending, cutting and welding machine for the bent frame according to claim 3, characterized in that: butt welding mechanism still includes translation mechanism, sets up the dorsal part of mount pad, translation mechanism is including the translation seat, the fixed conductive seat of second with the second installation department is all connected on the translation seat, translation mechanism is used for the drive the second activity clamp splice with the fixed conductive seat centre gripping of second the one end of iron wire removes to the other end of iron wire.

5. The two-dimensional bending, cutting and welding machine for the bent frame according to claim 4, characterized in that: a guide plate is further arranged between the first fixed conductive seat and the second fixed conductive seat, and a V-shaped positioning groove is formed in the bottom end of the guide plate and used for positioning the end portion of the iron wire; the upper end of deflector is connected with lift cylinder, lift cylinder is connected on the mount pad, be used for the pulling the deflector rebound.

6. The two-dimensional bending, cutting and welding machine for the bent frame according to any one of claims 1 to 5, characterized in that: the bending mechanism comprises a fixed seat, a mandrel, a rotating sleeve and a rotary driving piece, the fixed seat is arranged in the machine table, the mandrel is connected to the fixed seat, the upper end of the mandrel extends out of the upper surface of the machine table, and a limiting groove is formed in the top end of the mandrel; the rotary sleeve is rotatably sleeved on the mandrel, and a shifting part is arranged at the top end of the rotary sleeve and bends the iron wire together with the limiting groove; the rotary driving piece is connected with the rotary sleeve and used for driving the rotary sleeve to rotate.

7. The two-dimensional bending, cutting and welding machine for the bent frame according to claim 6, characterized in that: the fixed seat comprises two guide columns, a top plate, a bottom plate and a first lifting plate, the two guide columns are mutually connected with the top plate and the bottom plate in parallel, and the top plate is connected to the machine table; the first lifting plate is connected with the two guide pillars in a vertically sliding mode, the lower end of the mandrel is connected with the first lifting plate, and a first lifting cylinder is further arranged at the bottom of the base plate and connected with the first lifting plate and used for driving the mandrel to extend upwards.

8. The two-dimensional bending, cutting and welding machine according to claim 7, characterized in that: the fixed seat also comprises a second lifting plate which is connected with the two guide posts in a vertically sliding manner; the bottom of roof still is provided with the uide bushing, the swivel sleeve passes with sliding from top to bottom the uide bushing, the bottom of swivel sleeve is connected the second lifter plate, be provided with on the bottom plate and connect the second lift cylinder of second lifter plate.

9. The two-dimensional bending, cutting and welding machine for the bent frame according to claim 8, characterized in that: the top of the machine table is also provided with a guide plate, and the guide plate is positioned between the cutting mechanism and the iron wire conveying mechanism; the guide plate is internally provided with a lead hole, the upper surface of the guide plate is provided with two inclined planes, and the two inclined planes form an obtuse angle structure.

10. The two-dimensional bending, cutting and welding machine for the bent frame according to claim 1, characterized in that: the iron wire conveying mechanism comprises a plurality of groups of roller groups and a driving motor, and the plurality of groups of roller groups are sequentially arranged on the machine table; the roller group comprises a driving roller, a sliding block, a driven roller, a first compression spring, a second compression spring and an adjusting screw rod; the driving roller is rotationally connected to the machine table, a driving gear is arranged at the bottom of the driving roller, and the driving gear is linked with the driving motor; the machine table is further provided with a sliding groove, the sliding block is connected in the sliding groove in a sliding mode, the sliding groove is divided into a first cavity and a second cavity by the sliding block, the first compression spring is arranged in the first cavity and used for extruding one side of the sliding block, and the second compression spring is arranged in the second cavity and used for extruding the other side of the sliding block; the adjusting screw is in threaded connection with the machine table, and one end of the adjusting screw is abutted against the second compression spring and is used for extruding and adjusting the second compression spring; the driven roller is rotatably connected to the sliding block, and a driven gear is arranged at the bottom end of the driven roller and is used for being meshed with the driving gear.

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