Steel bar joint welding and bending device for bridge construction

Abstract

The utility model provides a steel bar joint welding and bending device for bridge construction, which comprises a rack, a steel bar rotating mechanism, a bar pressing mechanism, a movable welding mechanism, a bar blocking mechanism and a bar lifting mechanism, the steel bar rotating mechanism is embedded on the rack, and one end of the steel bar rotating mechanism extends out of the rack and is used for embedding a pair of steel bars of which the end parts are overlapped and attached in parallel; the rib pressing mechanism is connected to the rear side of the rebar rotating mechanism and used for moving up and down to abut against and fix a pair of rebars, and the movable welding mechanism is arranged at the upper end of the rib pressing mechanism and transversely moves along the upper end of the rib pressing mechanism to weld the pair of rebars. The rebar blocking mechanism is arranged on the rack and used for blocking the two sides of the pair of rebars when the ends of the pair of welded rebars rotate, and the rebar lifting mechanisms are arranged on the two sides of the rebar pressing mechanism and used for lifting the pair of bent rebars to be separated from the rebar rotating mechanism. According to the welding and bending device, a pair of steel bar joints can be welded, bent and extracted at the same time, convenience and rapidness are achieved, and the production efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bridge engineering technical field, concretely relates to a reinforcing bar joint welding bending device for bridge construction. BACKGROUND

[0002] In the construction of bridge engineering, the end of a pair of reinforcing bars is often bent and welded to form a misaligned connecting reinforcing bar fitting, and the current commonly used method is to manually bend the reinforcing bar joint to about 10-20°, and then to abut and weld the pair of bent reinforcing bar joints to form a butt joint.

[0003] The reinforcing bar bending device for engineering construction disclosed in the publication CN 219986061 U comprises a base for installation, a rotating disc fixedly installed on the top surface of the base, a bending rod fixedly connected to the top surface of the rotating disc, limit rods fixedly and symmetrically connected to the top surface of the rotating disc, sliding grooves symmetrically formed in the top surface of the rotating disc, the limit rods being slidingly connected to the inside of the sliding grooves, a motor fixedly installed in the inside of the base, a rotating shaft of the motor extending upward to the outside of the base and fixedly connected to a driving roller, a strip-shaped groove formed in the top surface of the base, and a driven roller slidingly connected to the inside of the strip-shaped groove. Although the device can bend reinforcing bars of different diameters, it can only bend one reinforcing bar and cannot simultaneously bend and weld one reinforcing bar. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems, the purpose of the utility model is to provide a reinforcing bar joint welding bending device for bridge construction, which can simultaneously weld and bend a pair of reinforcing bar joints, effectively improve production efficiency and save cost.

[0005] In order to achieve the above purpose, the utility model adopts the technical scheme that:

[0006] A reinforcing bar joint welding bending device for bridge construction, comprising:

[0007] a rack;

[0008] a reinforcing bar rotating mechanism embedded in the rack and extending out of one end of the rack, the end extending out of the rack being embedded with a pair of reinforcing bars arranged in parallel with the end portions overlapping and abutting each other, for driving the overlapping end portions of the pair of reinforcing bars to rotate;

[0009] a reinforcing bar pressing mechanism connected to the rear side of the reinforcing bar rotating mechanism, for pressing and fixing the outer periphery of the pair of reinforcing bars;

[0010] a moving welding mechanism arranged at the upper end of the reinforcing bar pressing mechanism and moving transversely along the upper end of the reinforcing bar pressing mechanism, for welding the abutting surface of the overlapping pair of reinforcing bars;

[0011] The blocking rib mechanism is arranged on the frame and includes a pair of blocking wheels arranged oppositely and spaced apart, and the pair of blocking wheels are arranged oppositely in the transverse direction at two ends of the reinforcing rib rotating mechanism and oppositely in the longitudinal direction at two sides of the pair of reinforcing ribs, and are used for resisting the two sides of the pair of reinforcing ribs to form a bend when the end portions of the pair of reinforcing ribs after welding rotate.

[0012] The reinforcing rib lifting mechanism is arranged on two sides of the reinforcing rib pressing mechanism and is used for lifting the pair of reinforcing ribs after bending to separate from the reinforcing rib rotating mechanism.

[0013] Further, the reinforcing rib rotating mechanism includes a rotating rack, a rotating gear, a rotating shaft and a rotating plate, the rotating shaft is slidingly nested on the frame and extends out of the plate surface of the frame at two ends, the upper end of the rotating shaft is provided with the rotating plate, the lower end of the rotating shaft is provided with the rotating gear, the rotating gear is engaged with the rotating rack, one end of the rotating rack is connected with a first telescopic assembly, one end of the first telescopic assembly is fixed on one side of the frame, and the end portions of the pair of reinforcing ribs are axially embedded in the rotating plate.

[0014] Further, the reinforcing rib pressing mechanism includes a second telescopic assembly, a fixed plate and a wedge block, the fixed plate is arranged vertically on one side of the rotating plate and is arranged oppositely in parallel with the reinforcing rib, a pair of second telescopic assemblies are arranged spaced apart on the fixed plate opposite to the reinforcing rib, the lower ends of the pair of second telescopic assemblies are provided with the wedge block, and one side of the wedge block has an arc surface matched with the outer periphery of the reinforcing rib.

[0015] Further, the moving and welding mechanism includes a fixed frame, a translation rack, a sliding groove, a smooth shaft, a translation driving motor, a translation gear, a translation rack, a horizontal telescopic adjusting assembly, a vertical telescopic moving assembly and a welding gun, the fixed frame is nested on both sides of the upper end of the fixed plate, the sliding groove is arranged in the interior of the upper end of the fixed plate, the translation rack is arranged axially on the upper end of the fixed plate, the smooth shaft is slidingly nested in the longitudinal direction in the sliding groove, the lower ends of both sides of the fixed frame are sleeved on the smooth shaft, one side of the fixed frame is provided with the translation driving motor, one end of the translation driving motor is sleeved with the translation gear, the translation gear is engaged with the translation rack in the up-down direction, the upper end of the fixed frame is provided with the horizontal telescopic adjusting assembly, one end of the horizontal telescopic adjusting assembly towards the reinforcing rib is provided with the vertical telescopic moving assembly, and the welding gun is arranged on the vertical telescopic moving assembly.

[0016] Further, the horizontal telescopic adjusting assembly comprises a fixed cylinder and an adjusting rod, the fixed cylinder is longitudinally arranged on the upper end of the fixed frame, and the adjusting rod is axially and slidably nested in the fixed cylinder; the vertical telescopic moving assembly comprises a welding gun sliding sleeve, a welding gun lifting rod and a third telescopic assembly, the welding gun sliding sleeve is connected to the end of the adjusting rod facing the steel bars, the welding gun lifting rod is axially and slidably nested in the welding gun sliding sleeve, and the third telescopic assembly is arranged on the outer periphery of the welding gun sliding sleeve, one end of the third telescopic assembly is hinged to the upper end of the welding gun lifting rod, and the lower end of the welding gun lifting rod is provided with the welding gun.

[0017] Further, the reinforcing bar lifting mechanism comprises a reinforcing bar lifting sliding sleeve, a sliding rod, a lifting rod and a fourth telescopic assembly, a pair of the reinforcing bar lifting sliding sleeves are respectively connected to the lateral sides of the fixed plate, the sliding rod is axially and slidably nested in the inner periphery of each reinforcing bar lifting sliding sleeve, one end of the fourth telescopic assembly is connected to the upper end of each reinforcing bar lifting sliding sleeve, and the other end of the fourth telescopic assembly is connected to one end of the lifting rod, and the other end of the lifting rod extends towards the side of the steel bars and penetrates the radial direction of the pair of steel bars.

[0018] Further, limit switches are arranged at the two ends of the rotary rack, and the limit switches are connected to the rack.

[0019] Further, a groove is formed in the rotary plate and penetrates the lateral ends of the rotary plate, and the groove is used for nesting the pair of steel bars.

[0020] Further, the reinforcing bar rotating mechanism further comprises a shaft sleeve and a rotating disc, the shaft sleeve is embedded in the rack, the rotating shaft is axially and slidably nested in the shaft sleeve, the upper end of the rotating shaft is connected to the rotating disc, and the rotary plate is arranged on the rotating disc.

[0021] Further, a control box is further arranged, and the control box is electrically connected with the first telescopic assembly, the second telescopic assembly, the third telescopic assembly, the fourth telescopic assembly, the translation driving motor and the limit switches.

[0022] Due to the above technical scheme, the welding and bending device for reinforcing bar joints has the following advantages and effects:

[0023] The welding and bending device for reinforcing bar joints can realize the simultaneous welding, bending and lifting of the pair of reinforcing bar joints, is convenient and fast, and effectively improves the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0024] Fig. 1The utility model discloses a main view structure schematic diagram.

[0025] Fig. 2 The utility model discloses a side view structure schematic diagram.

[0026] The signs are as follows: 1 - frame, 2 - first telescopic component, 3 - rotating rack, 4 - rotating gear, 5 - stop wheel, 6 - limit switch, 7 - sliding seat, 8 - rotating shaft, 9 - shaft sleeve, 10 - rotating disc, 11 - rotating plate, 12 - rib insert plate, 13 - second telescopic component, 14 - fixed plate, 15 - rib lifting sleeve, 16 - sliding rod, 17 - lifting rod, 18 - fourth telescopic component, 19 - wedge strip block, 20 - smooth shaft, 21 - translation gear, 22 - translation rack, 23 - welding gun lifting rod, 24 - welding gun sleeve, 25 - third telescopic component, 26 - welding gun, 27 - reinforcing steel bar, 28 - translation drive motor, 29 - hydraulic control box, 30 - electric control box, 31 - fixed cylinder, 32 - adjusting rod, 33 - fixed frame. DETAILED DESCRIPTION

[0027] The embodiments of the utility model will be described below in detail with reference to the drawings, so that the purpose, characteristics and advantages of the utility model can be understood more clearly. It should be understood that the embodiments shown in the drawings are not the limitation of the scope of the utility model, but only for explaining the essential spirit of the technical scheme of the utility model.

[0028] As Figs. 1-2 The utility model provides a reinforcing steel joint welding bending device for bridge construction, including frame 1, reinforcing steel rotating mechanism, rib pressing mechanism, mobile welding mechanism, stop rib mechanism and rib lifting mechanism, wherein reinforcing steel rotating mechanism is embedded in frame 1 and one end extends out of frame 1, the end of reinforcing steel rotating mechanism extending out of frame 1 is used for embedding the pair of end overlapping and parallel adhering reinforcing steel bars 27, and reinforcing steel rotating mechanism is used for rotating the overlapping end of the pair of reinforcing steel bars 27. Rib pressing mechanism is connected to the rear side of reinforcing steel rotating mechanism, and rib pressing mechanism is used for up and down telescopic movement to press and fix the outer periphery of the pair of reinforcing steel bars 27. Mobile welding mechanism is arranged at the upper end of rib pressing mechanism and moves along the upper end of rib pressing mechanism, and mobile welding mechanism is used for welding the adhering surface of the pair of reinforcing steel bars 27. Stop rib mechanism is arranged on frame 1 and is located at the both ends of reinforcing steel rotating mechanism and is spaced from reinforcing steel rotating mechanism, and stop rib mechanism includes a pair of spaced opposite stop wheels 5, and the pair of stop wheels 5 are located at the both ends of reinforcing steel rotating mechanism horizontally opposite, and are located at the both sides of the pair of reinforcing steel bars longitudinally opposite respectively, and the pair of stop wheels 5 are sleeved on frame 1 for resisting the both sides of the pair of reinforcing steel bars 27 when the overlapping end of the pair of welded reinforcing steel bars rotates to make the reinforcing steel bar form bending. Rib lifting mechanism is arranged on the both sides of rib pressing mechanism, and rib lifting mechanism is used for up and down movement to lift the pair of reinforcing steel bars 27 after bending and separate from reinforcing steel rotating mechanism.

[0029] Specifically, the rack 1 is an n-type frame structure, which is composed of an upper plate, rack columns, support plates and cross beams. The upper plate is arranged at the upper end of the four rack columns. The stop wheel 5 is sleeved on the rotating shaft through a bearing, and the lower end of the rotating shaft is fixed on the upper plate. The reinforcing bar 27 can rotate simultaneously when it is bent. The middle part of the rack column is provided with a cross beam, and the bottom of the rack column is provided with a support plate. An electric control box 30 is arranged on one side of the rack column. The electric control box 30 is electrically connected with the reinforcing bar rotating mechanism, the reinforcing bar pressing mechanism, the moving welding mechanism, the reinforcing bar stopping mechanism and the reinforcing bar lifting mechanism for controlling the actions of the mechanisms.

[0030] The reinforcing bar rotating mechanism is embedded in the upper plate. The reinforcing bar stopping mechanism is sleeved on the upper end of the upper plate and located on both sides of the reinforcing bar rotating mechanism. The end portions of a pair of reinforcing bars 27 are embedded in the upper plate in a relative overlapping manner. After being fixed by the reinforcing bar pressing mechanism, the reinforcing bars are welded by the moving welding mechanism, and then the reinforcing bar rotating mechanism rotates around the stop wheels 5 on both sides as supporting points to realize the simultaneous bending of the end portions of the reinforcing bars 27. After the reinforcing bar pressing mechanism moves upward, the reinforcing bars 27 are lifted out of the reinforcing bar rotating mechanism by the reinforcing bar lifting mechanism.

[0031] Further, the reinforcing bar rotating mechanism comprises a rotating rack 3, a rotating gear 4, a rotating shaft 8 and a rotating plate 11. The rotating shaft 8 is slidably embedded in the rack 1 and extends out of the upper plate of the rack at both ends. The upper end of the rotating shaft 8 is provided with the rotating plate 11, and the lower end is sleeved with the rotating gear 4. The rotating gear 4 is engaged with the rotating rack 3. One end of the rotating rack 3 is connected with a first telescopic assembly 2. One end of the first telescopic assembly 2 is fixed on one side of the rack 1. The end portions of a pair of reinforcing bars 27 are axially embedded in the rotating plate 11.

[0032] Specifically, an axle sleeve 9 is embedded in the upper plate of the rack 1. The rotating shaft 8 is radially and slidably sleeved in the axle sleeve 9. The rotating shaft 8 extends out of the axle sleeve 9 at both ends and out of the upper plate at both ends. The upper end of the rotating shaft 8 is connected with a rotating disc 10, and the rotating plate 11 is arranged on the rotating disc 10. The fixed end of the first telescopic assembly 2 is horizontally fixed on the cross beam of the rack 1. The telescopic end of the first telescopic assembly 2 is hinged with a sliding seat 7. One side of the sliding seat 7 is nested with the rotating rack 3. The rotating rack 3 is spaced above and below the first telescopic assembly 2 and arranged in a horizontal direction. The first telescopic assembly 2 drives the rotating rack 3 to move horizontally and reciprocally to engage with the rotating gear 4 to realize the reciprocating rotation of the rotating shaft 8. The rotating shaft 8 drives the rotating disc 10 and the rotating plate 11 to rotate. The rotating plate 11 is provided with a groove penetrating through both ends in the horizontal direction. The groove is used for nesting a pair of reinforcing bars 27. The rotating plate 11 rotates to bend the reinforcing bars 27 in cooperation with the stop block.

[0033] Further, the pressing rib mechanism comprises the pressing rib inserting plate 12, the second telescopic assembly 13, the fixed plate 14 and the wedge strip block 19. The fixed plate 14 is vertically arranged on one side of the rotating plate 11 and is parallel to the steel bars 27. The second telescopic assembly 13 is arranged on the fixed plate 14 opposite to the steel bars 27. The lower end of the second telescopic assembly 13 is provided with the pressing rib inserting plate 12. The lower end of the pressing rib inserting plate 12 is provided with the wedge strip block 19. One side of the wedge strip block 19 is provided with an arc-shaped surface matching the outer periphery of the steel bars 27.

[0034] Specifically, the lower end of the fixed plate 14 is connected to the upper part of the longitudinal rear end of the rotating plate 11. The second telescopic assembly 13 is vertically arranged. The fixed end of the second telescopic assembly 13 is connected to the plate surface of the fixed plate 14. The telescopic end of the second telescopic assembly 13 extending downward is connected to the two ends of the pressing rib inserting plate 12. The lower end surface of the pressing rib inserting plate 12 is connected to the upper end surface of the wedge strip block 19. The pressing rib inserting plate 12 and the wedge strip block 19 are in a horizontal state. The arc-shaped surface of the wedge strip block 19 can be pressed on the upper part of the outer periphery of the steel bars 27 on one side of the wedge strip block 19 to avoid the middle welding points of the pair of steel bars 27. When the second telescopic assembly 13 moves up and down to drive the wedge strip block 19 to press the steel bars 27, the pair of steel bars 27 are embedded in the groove of the rotating plate 11. The wedge strip block 19 and the other side of the groove form a clamping force to fix the pair of steel bars 27.

[0035] Further, the moving welding mechanism comprises the fixed frame 33, the translation rack 22, the sliding groove 36, the smooth shaft 20, the translation driving motor 28, the translation gear 21, the translation rack 22, the horizontal telescopic adjusting assembly, the vertical telescopic moving assembly and the welding gun 26. The fixed frame 33 is embedded in the upper end of the fixed plate 14. The sliding groove 36 is arranged in the upper end of the fixed plate 14. The translation rack 22 is axially arranged in the upper end of the fixed plate 14. The smooth shaft 20 is longitudinally and slidably embedded in the sliding groove 36. The lower end of the fixed frame 33 is sleeved on the smooth shaft 20. One side of the fixed frame 33 is provided with the translation driving motor 28. One end of the translation driving motor 28 is sleeved with the translation gear 21. The translation gear 21 is engaged with the translation rack 22. The upper end of the fixed frame 33 is provided with the horizontal telescopic adjusting assembly. One end of the horizontal telescopic adjusting assembly towards the steel bars 27 is provided with the vertical telescopic moving assembly. The welding gun 26 is arranged on the vertical telescopic moving assembly.

[0036] Specifically, the fixed frame 33 is a pair of vertically arranged spaced apart vertical slats, a pair of vertical slats are respectively slidably sleeved on both ends of the smooth shaft 20, the sliding groove 36 is embedded with a bearing, and the middle part of the smooth shaft 20 is sleeved in the bearing and is in sliding connection with the sliding groove 36. The upper ends of the pair of vertical slats are connected with the horizontal telescopic adjusting assembly. The translation driving motor 28 is fixed on the vertical slat on one side. The longitudinal displacement of the welding gun 26 can be adjusted by the horizontal telescopic adjusting assembly so that it is perpendicular to the welding point. The welding gun 26 is adjusted to move up and down to contact the welding point by the vertical telescopic moving assembly. The translation driving motor 28 drives the horizontal telescopic adjusting assembly, the vertical telescopic moving assembly and the welding gun 26 to move along the sliding groove 36 by driving the translation gear 21 to move along the translation rack 22 in the axial direction, thereby realizing the welding of the pair of reinforcing bars 27 by moving the welding gun 26 along the welding point in sequence.

[0037] Further, the horizontal telescopic adjusting assembly comprises a fixed cylinder 31 and an adjusting rod 32, the fixed cylinder 31 is longitudinally arranged at the upper end of the fixed frame 33, and the adjusting rod 32 is axially and slidably nested in the fixed cylinder 31. The vertical telescopic moving assembly comprises a welding gun sliding sleeve 24, a welding gun lifting rod 23 and a third telescopic assembly 25, the welding gun sliding sleeve 24 is connected to one end of the adjusting rod 32 towards the reinforcing bar 27, the welding gun lifting rod 23 is axially and slidably nested in the welding gun sliding sleeve 24, and the third telescopic assembly 25 is arranged on the outer periphery of the welding gun sliding sleeve 24, one end of the third telescopic assembly 25 is hinged to the upper end of the welding gun lifting rod 23, and the lower end of the welding gun lifting rod 23 is provided with the welding gun 26.

[0038] Specifically, the inner periphery of the fixed cylinder 31 is provided with a groove, and the outer periphery of the adjusting rod 32 is provided with a protruding strip matched with the groove. When the adjusting rod 32 is sleeved in the inner periphery of the fixed cylinder 31, the protruding strip is embedded in the groove to prevent the adjusting rod 32 from rotating radially. The upper end of the fixed cylinder 31 is provided with an adjusting screw, and when the telescopic distance of the adjusting rod 32 is adjusted, the position of the adjusting rod 32 is fixed by the adjusting screw. The fixed end of the third telescopic assembly 25 is hinged to the outer periphery of the upper end of the welding gun sliding sleeve 24, the telescopic end of the third telescopic assembly 25 is hinged to the lower end of the welding gun lifting rod 23, and the third telescopic assembly 25 moves up and down to drive the welding gun lifting rod 23 to move up and down to adjust the up and down position of the welding gun 26.

[0039] Of course, as a preferred, the inner periphery of the fixed cylinder 31 is a square structure, and the cross section of the adjusting rod 32 is a square structure matched with the fixed cylinder 31, at this time, the groove and the protruding strip are not needed to realize the limiting.

[0040] Further, the reinforcing bar lifting mechanism comprises a reinforcing bar lifting sleeve 15, a sliding rod 16, a reinforcing bar lifting rod 17 and a fourth telescopic assembly 18, a pair of reinforcing bar lifting sleeves 15 are respectively connected to the lateral sides of the fixed plate 14, the sliding rod 16 is axially slidably nested in the inner periphery of each reinforcing bar lifting sleeve 15, the upper end of each reinforcing bar lifting sleeve 15 is connected to one end of the fourth telescopic assembly 18, the lower end of the sliding rod 16 and the other end of the fourth telescopic assembly 18 are both connected to one end of the reinforcing bar lifting rod 17, and the other end of the reinforcing bar lifting rod 17 extends towards the side of the reinforcing bar 27 and penetrates the reinforcing bar 27 in the radial direction.

[0041] Specifically, one end of each reinforcing bar lifting sleeve 15 is connected to the lateral sides of the rear end of the fixed plate 14 through a connecting plate, and the other end of each reinforcing bar lifting sleeve 15 extends out of the lateral sides of the fixed plate 14, the fixed end of the fourth telescopic assembly 18 is hingedly connected to the outer periphery of the upper end of the welding gun sleeve 24, the telescopic end of the fourth telescopic assembly 18 is hingedly connected to the connecting plate, the telescopic end of the fourth telescopic assembly 18 is connected to the reinforcing bar lifting rod 17, the up-down telescopic movement of the fourth telescopic assembly 18 drives the up-down movement of the reinforcing bar lifting rod 17, and the up-down movement of the reinforcing bar lifting rod 17 can lift the reinforcing bar 27.

[0042] Further, in order to control the bending angle of the reinforcing bar 27, limit switches 6 are arranged at the two ends of the rotating rack 3, and a pair of limit switches 6 are arranged opposite to each other at a distance from the two ends of the rotating rack 3, the distance of the rotating rack 3 is used to trigger the limit switches 6 to control the telescopic movement of the first telescopic assembly 2, and the limit switches 6 are connected to the lower end of the upper plate surface of the rack 1 through a connecting rod.

[0043] Further, the welding and bending device further comprises a control box 30, and the control box 30 is electrically connected with the first telescopic assembly 2, the second telescopic assembly 13, the third telescopic assembly 25, the fourth telescopic assembly 18, the translation driving motor 28 and the limit switches 6.

[0044] Specifically, the first telescopic assembly 2, the second telescopic assembly 13, the third telescopic assembly 25 and the fourth telescopic assembly 18 are electric telescopic hydraulic cylinders, and when they are electric telescopic hydraulic cylinders, a hydraulic control box 29 is further arranged on the support plate of the rack 1, the hydraulic control box 29 is hydraulically connected with each electric telescopic hydraulic cylinder, and at this time, the controller 30 can indirectly control the movement of each electric telescopic hydraulic cylinder by controlling the hydraulic control box 29. A PLC controller is arranged in the control box 30, and the switch sequence and time of starting of each telescopic assembly and the translation driving motor 28 can be edited. The program editing of the PLC controller to control the telescopic assembly and the translation driving motor is prior art, and the utility model will not be described in detail again.

[0045] As a preferred, the first telescopic assembly 2, the second telescopic assembly 13, the third telescopic assembly 25 and the fourth telescopic assembly 18 can also be electric telescopic rods, and the electric telescopic rods are directly controlled by the control box 30, and at this time, the hydraulic control box 29 is not needed.

[0046] The utility model discloses when using, place a pair of reinforcing steel bars 27 in the rotary plate 11 and fix the welding length size, then through the wedge strip block 19 of pressure mechanism lower pressure a pair of reinforcing steel bars 27, then by mobile welding mechanism makes the welding torch 26 downlink to the welding position above, open the welding torch 26 and pass through the translation drive motor 28 drive welding torch 26 and move to the welding length of setting after mobile welding, the welding torch 26 rises and withdraws, the translation drive motor 28 drive translation gear 21 reverse drive welding torch 26 and return to the original position, then again through the rotary plate 11 of reinforcing steel rotary mechanism rotation drive reinforcing steel bar 27 rotation and respectively resist a pair of stop wheel 5 after realizing the bending, rotary rack 3 moves to one side and touches limit switch 6 after first telescopic component 2 stop moving, finally the reinforcing steel bar 27 of welding bending is taken out rotary plate 11 by reinforcing mechanism, first telescopic component 2 drive rotary rack 3 reverse movement and touch the limit switch 6 on the other side after stop, the reinforcing steel rotary mechanism recovers the original position at this moment, so reciprocating realizes a pair of reinforcing steel bar 27's continuous welding bending processing.

[0047] Finally, it should be noted that: the above examples are used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement to some technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A reinforcing bar joint welding and bending device for bridge construction, characterized by, The utility model relates to a steel bar rotating mechanism, pressing mechanism, mobile welding mechanism, blocking mechanism and lifting mechanism are arranged on the frame, and the steel bar rotating mechanism is used for driving the rotation of the end of a pair of steel bars, the pressing mechanism is used for pressing the outer periphery of a pair of steel bars, the mobile welding mechanism is used for welding the abutting surface of a pair of steel bars, the blocking mechanism is used for resisting the two sides of a pair of steel bars and forming bending when the end of a pair of welded steel bars rotates, and the lifting mechanism is used for lifting a pair of steel bars after bending and separating from the steel bar rotating mechanism. The steel bar rotating mechanism comprises a rotating rack, a rotating gear, a rotating shaft and a rotating plate, the rotating shaft is slidingly nested on the frame and extends out of the upper surface of the frame at both ends, the upper end of the rotating shaft is provided with the rotating plate, the lower end of the rotating shaft is provided with the rotating gear, the rotating gear is engaged with the rotating rack, one end of the rotating rack is connected with a first telescopic assembly, one end of the first telescopic assembly is fixed on one side of the frame, and the end of a pair of steel bars is axially nested in the rotating plate. The pressing mechanism comprises a second telescopic assembly, a fixed plate and a wedge block, the fixed plate is vertically arranged on one side of the rotating plate and is parallel to the steel bar, a pair of second telescopic assemblies are arranged on the fixed plate opposite to the steel bar, the lower end of a pair of second telescopic assemblies is provided with the wedge block, and one side of the wedge block has an arc surface matched with the outer periphery of the steel bar. The mobile welding mechanism comprises a fixed frame, a translation rack, a sliding groove, a smooth shaft, a translation driving motor, a translation gear, a translation rack, a horizontal telescopic adjusting assembly, a vertical telescopic moving assembly and a welding gun, the fixed frame is nested on both sides of the upper end of the fixed plate, the sliding groove is arranged in the interior of the upper end of the fixed plate, the translation rack is axially arranged on the upper end of the fixed plate, the smooth shaft is longitudinally slidingly nested in the sliding groove, the lower end of the fixed frame is sleeved on the smooth shaft, the translation driving motor is arranged on one side of the fixed frame, one end of the translation driving motor is sleeved with the translation gear, the translation gear is engaged with the translation rack up and down, the horizontal telescopic adjusting assembly is arranged on the upper end of the fixed frame, one end of the horizontal telescopic adjusting assembly towards the steel bar is provided with the vertical telescopic moving assembly, and the welding gun is arranged on the vertical telescopic moving assembly. ​ ​ ​ 2. The reinforcing bar joint welding and bending device for bridge construction according to claim 1, characterized in that, ​ 3. The reinforcing bar joint welding and bending device for bridge construction according to claim 2, characterized in that, ​ 4. The reinforcing bar joint welding and bending device for bridge construction according to claim 3, characterized in that, ​ 5. The reinforcing bar joint welding and bending device for bridge construction according to claim 4, characterized in that, The horizontal telescopic adjusting assembly comprises a fixed cylinder and an adjusting rod, the fixed cylinder is longitudinally arranged on the upper end of the fixed frame, and the adjusting rod is axially and slidably nested in the fixed cylinder; the vertical telescopic moving assembly comprises a welding gun sliding sleeve, a welding gun lifting rod and a third telescopic assembly, the welding gun sliding sleeve is connected to the end of the adjusting rod facing the steel bars, the welding gun lifting rod is axially and slidably nested in the welding gun sliding sleeve, the outer periphery of the welding gun sliding sleeve is provided with the third telescopic assembly, one end of the third telescopic assembly is hinged to the upper end of the welding gun lifting rod, and the lower end of the welding gun lifting rod is provided with the welding gun.

6. The reinforcing bar joint welding and bending device for bridge construction of any one of claims 3 to 4, wherein The reinforcing bar lifting mechanism comprises a reinforcing bar lifting sliding sleeve, a sliding rod, a lifting rod and a fourth telescopic assembly, a pair of reinforcing bar lifting sliding sleeves are respectively connected to the lateral sides of the fixed plate, the sliding rod is axially and slidably nested in the inner periphery of each reinforcing bar lifting sliding sleeve, one end of the fourth telescopic assembly is connected to the upper end of each reinforcing bar lifting sliding sleeve, and the lower end of the sliding rod and the other end of the fourth telescopic assembly are both connected to one end of the lifting rod, and the other end of the lifting rod extends towards the side of the steel bars and penetrates the diameters of a pair of steel bars.

7. The reinforcing bar joint welding and bending device for bridge construction according to claim 5, characterized in that, The two ends of the rotary rack are both provided with limit switches, and the limit switches are connected to the frame.

8. The reinforcing bar joint welding and bending device for bridge construction according to claim 2, characterized in that, The rotary plate is provided with a groove penetrating through the lateral ends thereof, and the groove is used for nesting a pair of steel bars.

9. The reinforcing bar joint welding and bending device for bridge construction according to claim 8, characterized in that, The reinforcing bar rotating mechanism further comprises a shaft sleeve and a rotating disc, the shaft sleeve is embedded on the frame, the rotating shaft is radially and slidably nested in the shaft sleeve, the upper end of the rotating shaft is connected to the rotating disc, and the rotary plate is arranged on the rotating disc.

10. The reinforcing bar joint welding and bending device for bridge construction according to claim 7, characterized in that, The control box is electrically connected with the first telescopic assembly, the second telescopic assembly, the third telescopic assembly, the fourth telescopic assembly, the translation driving motor and the limit switches.

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