CN212525832U - Arc-shaped mesh welding forming machine for shield segment steel reinforcement cage - Google Patents

Abstract

The utility model discloses an arc-shaped net piece welding forming machine of a shield segment steel cage, which belongs to the technical field of shield segment welding and comprises an arc bending device, a forming mould, a traction device, a first welding device, a clamping device, a bending device, an alignment device and a second welding device, wherein the arc bending device is used for pressing and drawing inner arc steel bars and outer arc steel bars, and the forming mould is used for correcting the radian of the inner arc steel bars and the outer arc steel bars after the arc pressing; the traction device is used for drawing the corrected inner arc steel bars and outer arc steel bars, and the first welding device is used for welding transverse bars between the inner arc steel bars and the outer arc steel bars to form a semi-finished product; the clamping device is used for clamping two sides of the semi-finished product, and the bending device is used for bending two ends of the inner arc steel bar to form folded edges; the aligning device is used for aligning the end part of the folded edge with the outer arc steel bars, and the second welding device is used for welding the end part of the folded edge with the outer arc steel bars. The automatic welding forming of the arc-shaped net pieces is realized, the labor intensity is reduced, and the production efficiency is improved.

Description

Arc-shaped mesh welding forming machine for shield segment steel reinforcement cage

Technical Field

The utility model relates to a shield constructs section of jurisdiction welding technical field, especially relates to a shield constructs arc-shaped mesh piece welding make-up machine of section of jurisdiction steel reinforcement cage.

Background

The shield constructs section of jurisdiction steel reinforcement cage includes a plurality of arc net pieces, single arc net piece is as shown in figure 1, the arc net piece includes inner arc reinforcing bar 101, outer arc reinforcing bar 102 and sets up horizontal muscle 103 between inner arc reinforcing bar 101 and outer arc reinforcing bar 102, the frame that forms the arc net piece after the hem that forms after the both ends of inner arc reinforcing bar 101 to same side bending and the both ends welding of outer arc reinforcing bar 102, including many horizontal muscle 103 of interval welding between inner arc reinforcing bar 101 and outer arc reinforcing bar 102, form the arc net piece.

In the prior art, the arc mesh is formed by processing a straight bar of steel bars into inner arc steel bars 101 and outer arc steel bars 102 by using a bending machine, and then manually welding the butt joint points of the inner arc steel bars 101 and the outer arc steel bars 102 and the lap joint points of the transverse bars 103 and the inner arc steel bars 101 and the outer arc steel bars 102 by using a dioxide welder. The labor intensity of manual welding is high, the long-time welding has certain influence on the physical and psychological health of people, and the welding quality cannot be controlled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shield constructs arc net piece welding make-up machine of section of jurisdiction steel reinforcement cage to solve the manual welding intensity of labour who exists among the prior art big, influence physical and mental health, the uncontrollable technical problem of welding quality.

As the conception, the utility model adopts the technical proposal that:

the utility model provides a shield constructs arc net piece welding make-up machine of section of jurisdiction steel reinforcement cage, includes:

the main frame is fixedly arranged;

the arc bending device is used for performing arc pressing and traction on the inner arc steel bars and the outer arc steel bars;

the shaping die is arranged at the downstream of the arc bending device and used for correcting the radian of the inner arc steel bars and the outer arc steel bars after arc pressing;

the traction device is arranged on the main rack and positioned at the discharge end of the shaping mold and is used for drawing the corrected inner arc steel bars and the corrected outer arc steel bars;

the first welding device is arranged between the shaping mold and the traction device and used for welding transverse bars between the inner arc steel bars and the outer arc steel bars to form a semi-finished product;

the clamping device is arranged on the main rack and used for clamping two sides of the semi-finished product;

the bending device is arranged on the main rack and used for bending two ends of the inner arc steel bar to form folded edges;

the aligning device is arranged on the main frame and used for aligning the end part of the folded edge with the outer arc steel bar;

and the second welding device is used for welding the end part of the folded edge with the outer arc steel bar.

Wherein, the curved arc device includes:

the supporting frame is fixedly arranged;

the first supporting plate is connected with the supporting rack in a sliding manner;

the arc bending mechanism is arranged on the first supporting plate and is provided with a first position for pressing arc and drawing the inner arc steel bar and a second position for pressing arc and drawing the outer arc steel bar.

The shaping die comprises a positioning plate and a plurality of guide wheel sets arranged on the positioning plate, the positioning plate is provided with a feeding end and a discharging end and is provided with a guide channel between the guide wheel sets, and the inner arc steel bars and the outer arc steel bars can be guided along the guide channel from the feeding end to the discharging end.

Wherein, draw gear includes:

the arc-shaped rack is fixedly connected with the main rack;

the positioning frame can be fixed with the end parts of the inner arc steel bars and the outer arc steel bars;

the traction motor is fixed on the positioning frame;

and the traction gear is meshed with the arc-shaped rack and is connected with the output end of the traction motor.

Wherein the clamping device comprises:

the mounting seat is fixed on the main rack;

the clamping jaws are connected with the main rack in a sliding mode, and are distributed on the inner side and the outer side of the semi-finished product at intervals around the circumferential direction of the semi-finished product;

and the clamping oil cylinder is hinged with the mounting seat, and the output end of the clamping oil cylinder is hinged with the clamping jaw to drive the clamping jaw to be close to or far away from the semi-finished product.

Wherein the bending device comprises:

the bending mechanism comprises a central shaft and a bending shaft arranged at an interval with the central shaft, and the bending shaft can rotate around the central shaft to bend the end part of the inner arc reinforcing steel bar;

and the position adjusting mechanism is connected with the bending mechanism and is used for adjusting the position of the bending mechanism.

The second welding device is connected with the position adjusting mechanism, and the position adjusting mechanism is used for adjusting the position of the second welding device.

Wherein the aligning device includes:

the alignment driving piece is fixedly arranged on the main rack;

the aligning guide block is connected with the output end of the aligning driving piece, a groove is formed in the end face of the aligning guide block, and the aligning driving piece can drive the aligning guide block to move linearly so as to guide the outer arc reinforcing steel bars and the end part of the folded edge into the groove.

Wherein, the upper side of the groove is a guide inclined plane.

The alignment device comprises a semi-finished product, a plurality of folding edges and alignment devices, wherein the alignment devices are provided with two sets, the two sets of alignment devices are arranged on the outer side of the semi-finished product at intervals, and one set of alignment device is arranged corresponding to each folding edge.

The utility model has the advantages that:

the utility model provides an arc net piece welding forming machine of a shield segment steel cage, an arc bending device carries out arc pressing and traction on inner arc steel bars and outer arc steel bars, and a forming die carries out radian correction on the inner arc steel bars and the outer arc steel bars after arc pressing; the traction device is used for drawing the corrected inner arc steel bars and outer arc steel bars, and the first welding device is used for welding transverse bars between the inner arc steel bars and the outer arc steel bars to form a semi-finished product; the clamping device is used for clamping two sides of the semi-finished product, and the bending device is used for bending two ends of the inner arc steel bar to form folded edges; the aligning device is used for aligning the end part of the folded edge with the outer arc steel bars, and the second welding device is used for welding the end part of the folded edge with the outer arc steel bars. The automatic welding forming of the arc-shaped net piece of the shield segment steel cage is realized, the labor intensity is reduced, and the production efficiency is improved. The shaping die can ensure the bending radians of the inner arc steel bars and the outer arc steel bars, so that the product quality is improved; the aligning device can ensure that the end part of the folded edge is aligned with the outer arc steel bar, so that the welding position is accurate, and the product quality is further ensured.

Drawings

FIG. 1 is a schematic view of a curved mesh;

fig. 2 is a schematic structural view of an arc-shaped mesh welding forming machine for a shield segment steel reinforcement cage according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an arc bending device according to an embodiment of the present invention;

fig. 4 is a schematic view of a part of the structure of an arc-shaped mesh welding and forming machine for a shield segment steel cage according to an embodiment of the present invention;

FIG. 5 is an enlarged view at A of FIG. 2;

fig. 6 is a top view of an arc-shaped mesh welding and forming machine for a shield segment steel reinforcement cage according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6;

FIG. 8 is a schematic view of a portion of the structure of FIG. 7;

fig. 9 is a sectional view taken along line C-C of fig. 6.

In the figure:

101. inner arc steel bars; 102. outer arc reinforcing steel bars; 103. transverse ribs;

1. a main frame; 11. a guide groove;

2. an arc bending device; 21. a support frame; 22. a first support plate; 23. an arc bending mechanism; 231. a driving wheel; 232. a second support plate; 233. an upper pinch roller;

3. shaping the mold; 31. positioning a plate; 32. a guide wheel group;

4. a traction device; 41. an arc-shaped rack; 42. a positioning frame; 43. a traction motor; 44. a traction gear;

5. a first welding device; 51. a support; 52. a storage bin;

6. a clamping device; 61. a mounting seat; 62. a clamping jaw; 63. clamping the oil cylinder;

7. a bending device; 71. a bending mechanism; 711. a central shaft; 712. a bending shaft; 713. positioning seats; 72. a position adjustment mechanism; 721. a guide rack; 722. a mounting frame; 723. adjusting the motor; 724. adjusting the gear;

8. an alignment device; 81. an alignment drive; 82. aligning the guide block; 821. a groove;

9. a second welding device; 91. a first guide rail; 92. a second guide rail; 93. a third guide rail; 94. a support pillar; 95. a cross member.

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 drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting 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 disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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 technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Referring to fig. 2 to 9, an embodiment of the present invention provides an arc mesh welding forming machine for a shield segment steel cage, including an arc bending device 2, a forming mold 3, a traction device 4, a first welding device 5, a clamping device 6, a bending device 7, an alignment device 8 and a second welding device 9, wherein the arc bending device 2 presses and pulls an inner arc steel bar 101 and an outer arc steel bar 102, and the forming mold 3 is disposed at a downstream of the arc bending device 2 and is used for performing arc correction on the inner arc steel bar 101 and the outer arc steel bar 102 after the arc pressing; the traction device 4 is arranged at the discharge end of the shaping mold 3 and used for drawing the corrected inner arc steel bars 101 and outer arc steel bars 102, and the first welding device 5 is arranged between the shaping mold 3 and the traction device 4 and used for welding transverse bars 103 between the inner arc steel bars 101 and the outer arc steel bars 102 to form a semi-finished product; the clamping device 6 is used for clamping two sides of the semi-finished product, and the bending device 7 is used for bending two ends of the inner arc steel bar 101 to form folded edges; the aligning device 8 is used for aligning the end of the folded edge with the outer-arc reinforcing bars 102, and the second welding device 9 is used for welding the end of the folded edge with the outer-arc reinforcing bars 102.

Through the cooperation of each device, realize shield structure section of jurisdiction steel reinforcement cage's arc net piece automatic weld shaping, reduced intensity of labour, improved production efficiency. The shaping mold 3 can ensure the bending radians of the inner arc steel bars 101 and the outer arc steel bars 102, so that the product quality is improved; the aligning device 8 can ensure that the end part of the folded edge is aligned with the outer arc steel bar 102, so that the welding position is accurate, and the product quality is further ensured.

The above-mentioned traction device 4, clamping device 6, bending device 7, aligning device 8 and second welding device 9 are all arranged on the main frame 1. In order to match the arc-shaped inner arc steel bars 101 and the arc-shaped outer arc steel bars 102, the main frame 1 is arranged in an arc shape and is consistent with the bending direction of the inner arc steel bars 101 and the bending direction of the outer arc steel bars 102, so that the inner arc steel bars 101 and the outer arc steel bars 102 are supported. Each device will be described in detail below.

Referring to fig. 2 and 3, the arc bending apparatus 2 includes a support frame 21, a first support plate 22 and an arc bending mechanism 23, the first support plate 22 is slidably connected to the support frame 21, the arc bending mechanism 23 is disposed on the first support plate 22, the arc bending mechanism 23 has a first position for pressing and pulling the inner-arc reinforcement bar 101 and a second position for pressing and pulling the outer-arc reinforcement bar 102, that is, when the arc bending mechanism 23 is located at the first position, the inner-arc reinforcement bar 101 can be pressed and pulled, and when the arc bending mechanism 23 is located at the second position, the outer-arc reinforcement bar 102 can be pressed and pulled.

When the first supporting plate 22 moves, the position of the arc bending mechanism 23 is changed, so that the arc bending mechanism 23 is switched between the first position and the second position, the structure is simplified, and the occupied space is reduced.

The arc bending device 2 may include two sets of arc bending mechanisms 23, one set of arc bending mechanism 23 is used for pressing and drawing the inner arc steel bars 101, and the other set of arc bending mechanism 23 is used for pressing and drawing the outer arc steel bars 102. The two sets of arc bending mechanisms 23 can simultaneously work for simultaneously pressing and drawing the arc of the inner arc steel bars 101 and the outer arc steel bars 102, and although the working efficiency is high, the occupied space is large.

Specifically, the arching mechanism 23 includes a driving wheel 231, a second supporting plate 232 and an upper pressing wheel 233, the driving wheel 231 is rotatably disposed on the first supporting plate 22, the second supporting plate 232 is slidably connected with the first supporting plate 22, and the upper pressing wheel 233 is rotatably disposed on the second supporting plate 232. When second backup pad 232 removes, drive pinch roller 233 and be close to action wheel 231, go up pinch roller 233 and action wheel 231 and can press from both sides tight inner arc reinforcing bar 101 or outer arc reinforcing bar 102, under the drive effect of action wheel 231, inner arc reinforcing bar 101 or outer arc reinforcing bar 102 can move forward, realize pressing the arc and pull under the mating reaction of action wheel 231 and pinch roller 233.

Alternatively, the first support plate 22 and the second support plate 232 can be moved by the cylinder, and the movement can be sliding along the guide rail. The rotation of the driving wheel 231 can be realized by a motor drive, which is not described in detail herein.

The sizing die 3 comprises a positioning plate 31 and a plurality of guide wheel sets 32 arranged on the positioning plate 31, the positioning plate 31 is provided with a feeding end and a discharging end, guide channels are formed among the guide wheel sets 32, the inner arc steel bars 101 and the outer arc steel bars 102 can enter the guide channels under the traction action of the arc bending mechanism 23, and the inner arc steel bars 101 and the outer arc steel bars 102 can move from the feeding end to the discharging end along the guide channels along with the traction of the arc bending mechanism 23.

The feed end of the positioning plate 31 is erected on the support frame 21, and the discharge end of the positioning plate 31 is erected on the main frame 1. On the positioning plate 31, a plurality of first guide wheel sets are provided along the extending direction of the inner arc reinforcing bars 101, and a plurality of second guide wheel sets are provided along the extending direction of the outer arc reinforcing bars 102. A plurality of first guide pulley group is the circular arc and arranges, and a plurality of second guide pulley group is the circular arc and arranges, and two circular arcs are the concentric circles.

When the driving wheel 231 and the upper pressing wheel 233 are matched to drive the inner-arc steel bars 101 forward, the inner-arc steel bars 101 enter the plurality of first guide wheel sets, and the inner-arc steel bars 101 move forward along with the driving of the driving wheel 231. When the driving wheel 231 and the upper pressing wheel 233 are engaged to drive the outer-arc reinforcing bars 102 forward, the outer-arc reinforcing bars 102 enter the plurality of second guide wheel sets, and the outer-arc reinforcing bars 102 move forward along with the driving of the driving wheel 231.

Referring to fig. 4, 7 and 8, the traction device 4 includes an arc rack 41, a positioning frame 42, a traction motor 43 and a traction gear 44, the arc rack 41 is fixedly disposed on the main frame 1, the traction motor 43 is disposed on the positioning frame 42, the positioning frame 42 can be fixed with the ends of the inner arc steel bars 101 and the outer arc steel bars 102, the output end of the traction motor 43 is connected with the traction gear 44, and the traction gear 44 is meshed with the arc rack 41.

The ends of the inner arc steel bars 101 and the outer arc steel bars 102 moving out of the guide channel of the self-shaping mold 3 are fixedly connected with the positioning frame 42, the traction gear 44 rotates under the driving of the traction motor 43, and the traction gear 44 moves along the arc rack 41 due to the fixed arrangement of the arc rack 41, so that the traction motor 43 and the positioning frame 42 move along the arc rack 41, and the advancing of the inner arc steel bars 101 and the outer arc steel bars 102 is realized.

Specifically, the positioning frame 42 is provided with sleeves corresponding to the inner arc steel bars 101 and the outer arc steel bars 102, ends of the inner arc steel bars 101 and the outer arc steel bars 102 penetrate the sleeves and are locked by a locking member, and the locking member is an existing lock catch or a clamp, and is not limited herein.

Of course, the traction device 4 may also clamp the ends of the inner-arc steel bars 101 and the outer-arc steel bars 102 by the clamping jaws, which is not limited herein as long as the inner-arc steel bars 101 and the outer-arc steel bars 102 can be driven to move along the arc.

Referring to fig. 4, the traction device 4 intermittently moves the inner-arc reinforcing bars 101 and the outer-arc reinforcing bars 102 so that the first welding device 5 welds the transverse bars 103 between the inner-arc reinforcing bars 101 and the outer-arc reinforcing bars 102. First welding set 5 includes support 51, set up in the storage silo 52 on support 51 top, the discharge mechanism be connected with storage silo 52 and the welding mechanism be connected with support 51, and storage silo 52 is used for holding horizontal muscle 103, and discharge mechanism is arranged in the horizontal muscle 103 of interval release storage silo 52 and leads horizontal muscle 103 to welding position, and welding mechanism is used for welding horizontal muscle 103 with inner arc reinforcing bar 101 and outer arc reinforcing bar 102.

Specifically, the lower end of the storage bin 52 has an outlet, and the discharging mechanism includes a sliding plate slidably disposed at the outlet and a discharging passage communicated with the outlet, the sliding plate being capable of opening and closing the outlet, so that one transverse rib 103 is released at a time. The released transverse bar 103 slides along the discharge channel to the welding position. The welding mechanism may be an existing welding torch, and is not limited herein.

Alternatively, the first welding device 5 may also be a welding robot, which performs material taking and welding, and is not limited herein.

Referring to fig. 4 to 8, the clamping device 6 includes an installation base 61, a plurality of clamping jaws 62 and a clamping cylinder 63, the installation base 61 is fixed on the main frame 1, the clamping jaws 62 are slidably connected with the main frame 1, and the plurality of clamping jaws 62 are circumferentially spaced around the semi-finished product and are distributed on the inner side and the outer side of the semi-finished product; a clamping cylinder 63 is arranged corresponding to each clamping jaw 62, the clamping cylinder 63 is hinged with the mounting base 61, and the output end of the clamping cylinder 63 is hinged with the clamping jaw 62 to drive the clamping jaw 62 to be close to or far away from the semi-finished product.

The plurality of jaws 62 are able to grip the semi-finished product close to it. The inner jaws 62 and the outer jaws 62 may be staggered so that the semi-finished product is clamped at multiple locations and is stressed more uniformly.

Specifically, a guide slot 11 is formed on the main frame 1, and the clamping jaw 62 is slidably disposed in the guide slot 11, so that the clamping jaw 62 can move linearly. A guide groove 11 is provided for each jaw 62, and the extension direction of the guide groove 11 is along the radial direction of the curvature of the inner arc reinforcement bar 101.

Referring to fig. 2, 4 and 5, the bending apparatus 7 includes a bending mechanism 71 and a position adjusting mechanism 72, the bending mechanism 71 includes a central shaft 711 and a bending shaft 712 disposed at a distance from the central shaft 711, the bending shaft 712 being rotatable about the central shaft 711 to bend an end of the inner-arc reinforcing bar 101; the position adjusting mechanism 72 is connected to the bending mechanism 71, and adjusts the position of the bending mechanism 71.

Specifically, the bending shaft 712 is connected with the central shaft 711 through a connecting rod, the central shaft 711 can be driven by a motor, and when the inner-arc steel bar 101 is located between the central shaft 711 and the bending shaft 712, the central shaft 711 rotates, so that the connecting rod rotates, the bending shaft 712 rotates around the central shaft 711, and the inner-arc steel bar 101 is bent.

The position adjusting mechanism 72 can drive the bending mechanism 71 to slide along the arc of the main frame 1 so as to reach the position to be bent of the inner arc steel bar 101. Specifically, the position adjusting mechanism 72 includes a guide rack 721, an installation frame 722, an adjusting motor 723 and an adjusting gear 724, the guide rack 721 is fixedly connected to the main frame 1, the adjusting motor 723 is disposed on the installation frame 722, an output end of the adjusting motor 723 is connected to the adjusting gear 724, and the adjusting gear 724 is engaged with the guide rack 721.

The bending mechanism 71 is disposed on the mounting rack 722, and driven by the adjusting motor 723, the adjusting gear 724 rotates, and due to the fixed arrangement of the guide rack 721, the adjusting gear 724 moves along the guide rack 721, so that the adjusting motor 723 and the mounting rack 722 move along the arc rack 41, thereby implementing the arc movement of the bending apparatus 7.

The bending mechanism 71 further includes a support frame, the central shaft 711 and a motor driving the central shaft 711 are disposed on the support frame, and the support frame is slidably connected to the mounting frame 722, so that the support frame can move toward or away from the semi-finished product.

Specifically, the bending apparatus 7 is located below the semi-finished product, and after the bending mechanism 71 is moved in place in an arc by the position adjusting mechanism 72, the support frame is moved in a straight line so that the inner-arc reinforcing bars 101 are located between the central shaft 711 and the bending shaft 712. Alternatively, the support frame may be connected to an output end of an air cylinder, and the air cylinder drives the support frame to move, so that the central shaft 711 and the bending shaft 712 approach the inner arc reinforcement 101.

The bending mechanism 71 further includes a positioning seat 713, the positioning seat 713 is disposed on the supporting frame and located on one side of the central shaft 711, a positioning groove is formed in the positioning seat 713, and the inner arc steel bar 101 can penetrate through the positioning groove to prevent the inner arc steel bar 101 from shifting when being bent.

After the bending mechanism 71 bends the end of the inner-arc reinforcing bar 101 to form a hem, the support frame is returned so that the center shaft 711 and the bending shaft 712 are disengaged from the inner-arc reinforcing bar 101.

In this embodiment, two sets of bending mechanisms 71 are provided, the two sets of bending mechanisms 71 are arranged on the mounting bracket 722 at intervals, and the positions of the two sets of bending mechanisms 71 are adjusted by the same set of position adjusting mechanism 72, so as to ensure the synchronism of the two sets of bending mechanisms 71.

Referring to fig. 2, 4, 5 and 9, the aligning apparatus 8 includes an aligning driving member 81 and an aligning guide block 82, the aligning driving member 81 is fixedly disposed on the main frame 1, the aligning guide block 82 is connected to an output end of the aligning driving member 81, a groove 821 is formed on an end surface of the aligning guide block 82, and the aligning driving member 81 can drive the aligning guide block 82 to linearly move to guide the outer-arc reinforcing bars 102 and the end portion of the folded edge into the groove 821.

During actual production, the diameters of the inner arc steel bars 101 and the outer arc steel bars 102 are not necessarily the same, when different diameters occur, the height difference occurs at the butt joint point of the end portions of the outer arc steel bars 102 and the folded edge, welding is not easy to occur, the groove 821 is used for enabling the outer arc steel bars 102 to be aligned with the end portions of the folded edge, and welding accuracy is guaranteed.

The aligning device 8 is disposed outside the semi-finished product, the outer arc reinforcing bars 102 enter the groove 821 first, and in order to enable the end portion of the folded edge to enter the groove 821 smoothly, the upper side surface of the groove 821 is a guide inclined surface to guide the folded edge, and even if the end portion of the folded edge is tilted to some extent, the end portion of the folded edge can be guided into the groove 821.

Two sets of aligning devices 8 are arranged, the two sets of aligning devices 8 are arranged at intervals on the outer side of the semi-finished product, and one set of aligning device 8 is arranged corresponding to each folded edge. The two alignment guides 82 can be moved synchronously to align the two folds with the outer arc rebars 102 simultaneously.

Referring to fig. 2, 4 and 5, the second welding device 9 may be a three-coordinate welding robot including a welding gun, which is movable in three directions perpendicular to each other to adjust the position of the welding gun for welding the butt joint of the flange and the outer-arc reinforcing bar 102.

The second welding device 9 is connected to the mounting frame 722 of the position adjusting mechanism 72 of the bending device 7 to adjust the circumferential position by means of the position adjusting mechanism 72, and shares one adjusting motor 723 to save energy.

Specifically, three-coordinate welding manipulator includes first guide rail 91, second guide rail 92 and third guide rail 93, first guide rail 91 and mounting bracket 722 fixed connection, can follow the arc and remove under the drive of mounting bracket 722, second guide rail 92 and first guide rail 91 sliding connection, the curved radial is followed to the slip direction of second guide rail 92, be provided with support column 94 on the second guide rail 92, support column 94 and second guide rail 92 sliding connection, the slip direction of support column 94 is perpendicular to the slip direction of second guide rail 92, third guide rail 93 and support column 94 sliding connection, the slip direction of third guide rail 93 is along vertical direction, be provided with crossbeam 95 on the third guide rail 93, welder sets up on crossbeam 95, welder can from the top down move to the butt joint of hem and outer arc reinforcing bar 102.

In this embodiment, two sets of the second welding devices 9 are provided, and the two sets of the second welding devices 9 are arranged on the mounting bracket 722 at intervals.

The arc-shaped mesh welding forming machine for the shield segment steel cage comprises the following concrete processes:

inner arc reinforcing bar 101 and outer arc reinforcing bar 102 are pressed the arc and are pull by curved arc device 2 respectively, carry out the radian correction of inner arc reinforcing bar 101 and outer arc reinforcing bar 102 through design mould 3, along with curved arc device 2's traction, inner arc reinforcing bar 101 and outer arc reinforcing bar 102 pass through design mould 3, reach draw gear 4 department, with the front end of inner arc reinforcing bar 101 and outer arc reinforcing bar 102 and draw gear 4's locating rack 42 fixed connection, curved arc device 2 stop work this moment.

Drive traction gear 44 through traction motor 43 and move on arc rack 41, move inner arc reinforcing bar 101 and outer arc reinforcing bar 102 traction, move the in-process and carry out the intermittent type according to the position and the interval of horizontal muscle 103 to cooperate horizontal muscle 103 welding set with horizontal muscle 103 to weld between inner arc reinforcing bar 101 and outer arc reinforcing bar 102.

After all the transverse bars 103 are welded, a semi-finished product of the arc-shaped mesh is formed, the semi-finished product which is welded is pulled to a specified position by the traction device 4, the semi-finished product is clamped by the clamping device 6, the front ends of the inner arc steel bars 101 and the outer arc steel bars 102 and the positioning frame 42 of the traction device 4 are disassembled, and the traction device 4 is started to enable the positioning frame 42 to be far away from the inner arc steel bars 101 and the outer arc steel bars 102.

The bending apparatus 7 is started, and the positions of the two sets of bending mechanisms 71 are adjusted by the position adjusting mechanism 72 so that the both end portions of the inner-arc reinforcing bars 101 are positioned between the center shaft 711 and the bending shafts 712, and at the same time, the position adjusting mechanism 72 adjusts the positions of the two sets of second welding apparatuses 9. The bending shaft 712 rotates around the central shaft 711 to bend the end of the inner-arc reinforcement 101 to form a hem, and after the bending is completed, the aligning device 8 aligns the outer-arc reinforcement 102 with the butt point of the hem, and the second welding device 9 welds the butt point. The arc-shaped net piece after the welding can be lifted and transported away, and the description is omitted.

The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a shield constructs arc net piece welding make-up machine of section of jurisdiction steel reinforcement cage which characterized in that includes:

a main frame (1) fixedly arranged;

the arc bending device (2) is used for performing arc pressing and traction on the inner arc steel bars (101) and the outer arc steel bars (102);

the shaping mold (3) is arranged at the downstream of the arc bending device (2) and is used for correcting the radian of the inner arc steel bars (101) and the outer arc steel bars (102) after arc pressing;

the traction device (4) is arranged on the main frame (1), is positioned at the discharge end of the shaping mold (3), and is used for drawing the corrected inner arc steel bars (101) and the corrected outer arc steel bars (102);

the first welding device (5) is arranged between the shaping die (3) and the traction device (4) and is used for welding a transverse bar (103) between the inner arc steel bar (101) and the outer arc steel bar (102) to form a semi-finished product;

the clamping device (6) is arranged on the main rack (1) and used for clamping two sides of the semi-finished product;

the bending device (7) is arranged on the main frame (1) and is used for bending two ends of the inner arc steel bar (101) to form folded edges;

the aligning device (8) is arranged on the main frame (1) and is used for aligning the end of the folded edge with the outer arc steel bar (102);

and the second welding device (9) is used for welding the end part of the folded edge with the outer arc reinforcing steel bar (102).

2. The arc-shaped mesh welding forming machine for the shield segment steel cage according to claim 1, wherein the arc bending device (2) comprises:

a support frame (21) fixedly arranged;

the first supporting plate (22) is connected with the supporting frame (21) in a sliding mode;

and the arc bending mechanism (23) is arranged on the first supporting plate (22), and the arc bending mechanism (23) is provided with a first position for pressing arc and drawing the inner arc steel bar (101) and a second position for pressing arc and drawing the outer arc steel bar (102).

3. The arc-shaped mesh welding forming machine for the shield segment steel reinforcement cage according to claim 1, wherein the shaping mold (3) comprises a positioning plate (31) and a plurality of guide wheel sets (32) arranged on the positioning plate (31), the positioning plate (31) is provided with a feeding end and a discharging end, a guide channel is formed between the guide wheel sets (32), and the inner arc steel bars (101) and the outer arc steel bars (102) can move from the feeding end to the discharging end along the guide channel.

4. The arc-shaped mesh welding forming machine for the shield segment steel cage according to claim 1, wherein the traction device (4) comprises:

the arc-shaped rack (41) is fixedly connected with the main rack (1);

a positioning frame (42) capable of being fixed to the ends of the inner arc reinforcing steel bar (101) and the outer arc reinforcing steel bar (102);

a traction motor (43) fixed on the positioning frame (42);

and the traction gear (44) is meshed with the arc-shaped rack (41) and is connected with the output end of the traction motor (43).

5. The arc-shaped mesh welding forming machine for the shield segment steel cage according to claim 1, wherein the clamping device (6) comprises:

a mounting base (61) fixed to the main frame (1);

the clamping jaws (62) are connected with the main frame (1) in a sliding mode, and the clamping jaws (62) are distributed on the inner side and the outer side of the semi-finished product at intervals around the circumferential direction of the semi-finished product;

the clamping oil cylinder (63) is hinged to the mounting base (61), and the output end of the clamping oil cylinder (63) is hinged to the clamping jaw (62) to drive the clamping jaw (62) to be close to or far away from the semi-finished product.

6. The machine for welding and forming the arc-shaped meshes of the shield segment steel cage according to claim 1, wherein the bending device (7) comprises:

a bending mechanism (71) including a central shaft (711) and a bending shaft (712) provided at an interval from the central shaft (711), the bending shaft (712) being rotatable around the central shaft (711) to bend an end portion of the inner-arc reinforcing bar (101);

and a position adjusting mechanism (72) connected to the bending mechanism (71) and used for adjusting the position of the bending mechanism (71).

7. The arc-shaped mesh welding forming machine for the shield segment steel cage according to claim 6, wherein the second welding device (9) is connected with the position adjusting mechanism (72), and the position adjusting mechanism (72) is used for adjusting the position of the second welding device (9).

8. The machine for welding and forming arc-shaped meshes of shield segment steel cages according to any one of claims 1 to 7, wherein the alignment device (8) comprises:

an alignment drive (81) fixedly arranged on the main frame (1);

the aligning guide block (82) is connected with the output end of the aligning driving piece (81), a groove (821) is formed in the end face of the aligning guide block (82), and the aligning driving piece (81) can drive the aligning guide block (82) to move linearly so as to guide the outer arc reinforcing steel bars (102) and the end portion of the folded edge into the groove (821).

9. The arc-shaped mesh welding forming machine for the shield segment steel reinforcement cage according to claim 8, wherein the upper side surface of the groove (821) is a guide inclined surface.

10. The arc-shaped mesh welding forming machine for the shield segment steel reinforcement cage according to claim 8, wherein two sets of aligning devices (8) are arranged, the two sets of aligning devices (8) are arranged at intervals on the outer side of the semi-finished product, and one set of aligning device (8) is arranged corresponding to each folded edge.

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