A shield segment steel cage three-dimensional forming welding production line and welding method

Abstract

The invention belongs to the field of steel cage processing, and discloses a shield segment steel cage three-dimensional forming welding production line and a welding method. The production line comprises a steel cage formwork, a stirrup stacking area, a welding area and a finished product taking area. The steel cage formwork can move to the three areas in sequence. The steel cage formwork comprises a bottom plate, a first bracket and a second bracket. A plurality of stirrup positioning assemblies are arranged at intervals on the bottom plate; a plurality of single-piece nets of the steel cage are arranged in parallel and at intervals between two first brackets; the two first brackets are each provided with a first positioning assembly, which can extend inward and abut against the single-piece net; the two second brackets are each provided with a second positioning assembly, and the second positioning assemblies on the two second brackets can extend relatively to support the inner arc side and the outer arc side of the single-piece net respectively; the welding area welds the stirrups and the single-piece net to obtain a finished steel cage; the finished product taking area receives the steel cage formwork with the finished steel cage, and the production efficiency is high, the manpower input is small, and the welding quality is high.

Description

Technical Field

[0001] The invention relates to the technical field of steel cage processing, and in particular to a shield segment steel cage three-dimensional forming welding production line and a welding method. Background Art

[0002] During the tunnel construction process, after the shield machine digs a circular hole, multiple arc-shaped shield segments are needed to fix the circular hole to provide a solid and safe space for subsequent projects. The shield segment is a combination of shield segment steel cage and concrete anchor to form arc-shaped shield segments of different sizes.

[0003] The shield segment reinforcement cage includes multiple single-piece meshes and multiple stirrups. The multiple single-piece meshes are arranged in parallel and spaced apart. The stirrups are vertically connected to the outer edges of the multiple single-piece meshes, and the multiple stirrups are arranged in parallel and spaced apart. After the stirrups are welded to the single-piece meshes, the shield segment reinforcement cage is formed.

[0004] The existing technology for preparing shield segment steel cages is completed by manual welding. The steel bars are first bent into inner arc steel bars and outer arc steel bars by hand, and the electric welder welds the tension bars to the inner arc steel bars and the outer arc steel bars to form a single-piece net; with the help of lifting equipment, multiple stirrups are manually welded to multiple single-piece nets to form a shield segment steel cage. The existing technology for preparing shield segment steel cages has the problems of low production efficiency, high manpower input, and poor welding quality. Summary of the invention

[0005] The purpose of the present invention is to provide a shield segment steel cage three-dimensional forming welding production line and welding method, which has high production efficiency, low manpower input and high welding quality.

[0006] In order to achieve the above objectives, the following technical solutions are provided:

[0007] In a first aspect, a shield segment steel cage three-dimensional forming welding production line is provided, comprising a steel cage formwork and a stirrup stacking area, a welding area and a finished product taking area arranged in sequence, wherein the steel cage formwork can move to the stirrup stacking area, the welding area and the finished product taking area in sequence, and the steel cage formwork comprises:

[0008] A bottom plate, on which a plurality of stirrup positioning assemblies are arranged at intervals, and the stirrup positioning assemblies are used to position stirrups constituting a steel cage;

[0009] A first bracket, wherein two first brackets are respectively arranged at two ends of the bottom plate, and a plurality of single-piece nets constituting the steel cage are arranged vertically parallel and at intervals between the two first brackets;

[0010] A second bracket, wherein two second brackets are spaced apart on the bottom plate and located between the two first brackets;

[0011] A first positioning component, wherein the two first brackets are each provided with a plurality of the first positioning components spaced apart from each other, and the first positioning components can extend inwardly and abut against the single-piece net;

[0012] A second positioning assembly, wherein a plurality of second positioning assemblies are disposed on each of the two second brackets at intervals in an upper and lower direction, and the second positioning assemblies on the two second brackets can extend relative to each other to respectively support the inner arc side and the outer arc side of the single-piece net;

[0013] The welding area is used to weld the stirrups and the single-piece mesh on the steel cage formwork to form a finished steel cage;

[0014] The finished product taking area is used to receive the steel cage formwork on which the finished steel cage product is placed.

[0015] As an optional solution of the shield segment steel cage three-dimensional forming welding production line of the present invention, the first positioning assembly includes a first driving member and a first positioning member, the fixed end of the first driving member is arranged on the first bracket, and the output end of the first driving member is connected to the first positioning member to drive the first positioning member to extend inward and abut against the single-piece net; and / or,

[0016] The second positioning assembly includes a second driving member, a rotating shaft and a supporting wheel. The fixed end of the second driving member is arranged on the second bracket, the output end of the second driving member is connected to the rotating shaft, and the supporting wheel is rotatably arranged on the rotating shaft.

[0017] As an optional solution of the shield segment steel cage three-dimensional forming welding production line of the present invention, the welding area is provided with:

[0018] An inner bracket is arranged on the inner arc side of the single-piece net;

[0019] An outer bracket is arranged on the outer arc side of the single-piece net;

[0020] A third positioning assembly, a plurality of the third positioning assemblies are arranged at intervals on the inner bracket, and the third positioning assemblies can extend inward to position the stirrups located on the inner arc side of the single-piece net on the single-piece net;

[0021] A fourth positioning assembly, a plurality of the fourth positioning assemblies are spaced apart on the outer bracket, and the fourth positioning assemblies can extend inward to position the stirrups located on the outer arc side of the single-piece net on the single-piece net.

[0022] As an optional solution of the shield segment steel cage three-dimensional forming welding production line of the present invention, the third positioning assembly includes a third driving member and a third positioning member, the fixed end of the third driving member is arranged on the inner bracket, and the output end of the third driving member is connected to the third positioning member to drive the third positioning member to extend inward; and / or,

[0023] The fourth positioning assembly includes a fourth driving member and a fourth positioning member. The fixed end of the fourth driving member is arranged on the outer bracket, and the output end of the fourth driving member is connected to the fourth positioning member to drive the fourth positioning member to extend inward.

[0024] As an optional solution of the shield segment steel cage three-dimensional forming welding production line of the present invention, the welding area is also provided with a welding robot, which is used to weld the stirrups and the single-piece mesh on the steel cage formwork, and the welding robot is provided with a visual positioning system.

[0025] As an optional solution of the shield segment steel cage three-dimensional forming welding production line of the present invention, it also includes a conveying component for conveying the steel cage formwork to the stirrup stacking area, the welding area and the finished product taking area in sequence; the conveying component includes:

[0026] A support plate, the support plate extending along the stirrup stacking area, the welding area and the finished product taking area;

[0027] Active conveying rollers, a plurality of active conveying rollers are rotatably arranged on the support plate at intervals;

[0028] A rotating driving member, wherein a fixed end of the rotating driving member is disposed on the supporting plate, and an output end of the rotating driving member is connected to the active conveying roller;

[0029] A driven conveying roller is rotatably disposed on the support plate, and a driven conveying roller is disposed between any two adjacent active conveying rollers;

[0030] The active conveying roller and the driven conveying roller are both used for supporting the bottom plate.

[0031] As an optional solution of the shield segment steel cage three-dimensional forming welding production line of the present invention, the stirrup positioning assembly includes two positioning plates arranged at intervals, and a positioning groove for the stirrup to be inserted is formed between the two positioning plates.

[0032] In a second aspect, a shield segment steel cage three-dimensional forming welding method is provided, using the shield segment steel cage three-dimensional forming welding production line as described above, the shield segment steel cage three-dimensional forming welding method comprising:

[0033] S1. Stack multiple single-piece meshes from bottom to top on the steel cage formwork;

[0034] S2. Hoist the steel cage formwork with the single-piece mesh to the stirrup stacking area;

[0035] S3, stacking the stirrups on the single-piece net in the stirrup stacking area, and positioning each stirrup by a stirrup positioning component;

[0036] S4, moving the steel cage formwork with the single-piece mesh and stirrups to the welding area, and welding the stirrups and the single-piece mesh to form a finished steel cage;

[0037] S5. Move the steel cage formwork on which the finished steel cage product is placed to the finished product taking area.

[0038] As an optional solution of the shield segment steel cage three-dimensional forming welding method of the present invention, step S1 includes:

[0039] S1.1. All first positioning components and second positioning components are retracted;

[0040] S1.2. The second positioning components at the bottom layer on the two second brackets extend relative to each other, and the first single-piece net is placed from top to bottom on the second positioning components at the bottom layer;

[0041] S1.3, the first positioning assembly at the bottom layer of the two first brackets extends out and abuts against the first single-piece net;

[0042] S1.4. The second positioning components of the second-to-last layer on the two second brackets extend relative to each other, and the second single-piece net is placed from top to bottom on the second positioning components of the second-to-last layer;

[0043] S1.5, the first positioning assembly of the second-to-last layer on the two first brackets extends out and abuts against the second single-piece net;

[0044] S1.6. Repeat steps S1.4-S1.5 to extend the second positioning components on the two second brackets from bottom to top, and stack the single nets from bottom to top. At the same time, extend the first positioning components on the two first brackets and abut against the corresponding single nets.

[0045] As an optional solution of the shield segment steel cage three-dimensional forming welding method of the present invention, step S4 includes:

[0046] S4.1. Move the steel cage formwork with the single-piece mesh and stirrups to between the inner support and the outer support;

[0047] S4.2, the third positioning assembly extends inwardly to position the stirrups located on the inner arc side of the single-piece mesh on the single-piece mesh; the fourth positioning assembly extends inwardly to position the stirrups located on the outer arc side of the single-piece mesh on the single-piece mesh;

[0048] S4.3. Weld the overlap points between stirrups and single mesh.

[0049] The beneficial effects of the present invention are:

[0050] The shield segment steel cage three-dimensional forming welding production line and welding method provided by the present invention, when producing the steel cage, firstly place a single-piece net on the steel cage formwork, support the single-piece net by a second positioning component, clamp and fix the single-piece net by a first positioning component, then hoist the steel cage formwork with the single-piece net to a stirrup stacking area, stack the stirrups on the single-piece net in the stirrup stacking area, then transfer the steel cage formwork with the single-piece net and stirrups to a welding area, weld the lap joints between the stirrups and the single-piece net to obtain a finished steel cage, then transfer the steel cage formwork with the finished steel cage to a finished product material taking area, and finally take out the finished steel cage by a hoisting device, thereby completing the production of the steel cage, with high production efficiency, low manpower input and high welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0052] Figure 1 A schematic diagram of a shield segment reinforcement cage provided by an embodiment of the present invention;

[0053] Figure 2 A schematic diagram of a shield segment reinforcement cage three-dimensional forming welding production line provided by an embodiment of the present invention;

[0054] Figure 3 A top view of a shield segment reinforcement cage three-dimensional forming welding production line provided in an embodiment of the present invention;

[0055] Figure 4 A schematic diagram of a single sheet mesh provided in an embodiment of the present invention being stacked on a steel cage formwork;

[0056] Figure 5 A schematic diagram of a single sheet mesh and stirrups on a steel cage formwork provided by an embodiment of the present invention;

[0057] Figure 6 for Figure 2 A partial enlarged view of the middle A;

[0058] Figure 7 for Figure 4 A partial enlarged view of point B in the middle;

[0059] Figure 8 for Figure 5 A partial enlarged view of point C in the middle;

[0060] Fig. 9 A schematic diagram of a steel cage formwork with a single-piece mesh and stirrups placed in a welding area provided in an embodiment of the present invention;

[0061] Fig.10 A side view of a steel cage formwork provided in an embodiment of the present invention with a single-piece mesh and stirrups placed in a welding area;

[0062] Fig.11 for Fig. 9 A partial enlarged view of point D in the middle;

[0063] Fig.12 A schematic diagram of a conveying assembly provided in an embodiment of the present invention.

[0064] Reference numerals:

[0065] 100, single-piece mesh; 200, stirrups;

[0066] 1. Steel cage formwork; 2. Stirrup stacking area; 3. Welding area; 4. Finished product taking area; 5. Conveying components;

[0067] 11. Bottom plate; 12. First bracket; 13. Second bracket; 14. First positioning assembly; 15. Second positioning assembly; 16. Stirrup positioning assembly;

[0068] 121, the first avoidance hole;

[0069] 131, first vertical pole; 132, second vertical pole; 133, horizontal pole; 134, second avoidance hole;

[0070] 141. first driving member; 142. first positioning member; 143. first mounting bracket;

[0071] 151, second driving member; 152, rotating shaft; 153, supporting wheel; 154, second mounting frame;

[0072] 161, positioning plate;

[0073] 31. Inner bracket; 32. Outer bracket; 33. Third positioning assembly; 34. Fourth positioning assembly; 35. Welding robot;

[0074] 311, third vertical pole; 312, first mounting plate;

[0075] 321, fourth vertical pole; 322, second mounting plate;

[0076] 331, a third driving member; 332, a third positioning member; 333, a third mounting bracket;

[0077] 3321, first card slot;

[0078] 341, fourth driving member; 342, fourth positioning member; 343, fourth mounting bracket;

[0079] 51. Support plate; 52. Active conveying roller; 53. Rotating driving member; 54. Driven conveying roller; 55. Support seat. DETAILED DESCRIPTION

[0080] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0081] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0082] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0083] This embodiment provides a shield segment steel cage three-dimensional forming welding production line. Figure 1 As shown, the shield segment reinforcement cage includes multiple single-piece meshes 100 and multiple stirrups 200. The multiple single-piece meshes 100 are arranged in parallel and spaced apart. The stirrups 200 are vertically connected to the outer edges of the multiple single-piece meshes 100, and the multiple stirrups 200 are arranged in parallel and spaced apart. After the stirrups 200 are welded to the single-piece meshes 100, the shield segment reinforcement cage is formed. Figure 2 and Figure 3As shown, the shield segment steel cage three-dimensional forming welding production line of this embodiment includes a steel cage formwork 1 and a stirrup stacking area 2, a welding area 3 and a finished product taking area 4 arranged in sequence. The steel cage formwork 1 can move to the stirrup stacking area 2, the welding area 3 and the finished product taking area 4 in sequence.

[0084] like Figure 2-Figure 12 As shown, the steel cage formwork 1 includes a base plate 11, a first bracket 12, a second bracket 13, a first positioning assembly 14 and a second positioning assembly 15. A plurality of stirrup positioning assemblies 16 are arranged at intervals on the base plate 11, and the stirrup positioning assemblies 16 are used to position the stirrups 200 constituting the steel cage. Two first brackets 12 are arranged at both ends of the base plate 11, and a plurality of single-piece nets 100 constituting the steel cage are arranged parallel to each other and at intervals between the two first brackets 12. Two second brackets 13 are arranged at intervals on the base plate 11 and are located between the two first brackets 12. A plurality of first positioning assemblies 14 are arranged at intervals on both first brackets 12, and the first positioning assemblies 14 can extend inward and abut against the single-piece net 100. The plurality of first positioning assemblies 14 on the two first brackets 12 correspond to each other one by one, and the two corresponding first positioning assemblies 14 on the two first brackets 12 abut against the two ends of the same single-piece net 100, respectively. A plurality of second positioning components 15 are arranged at intervals up and down on the two second brackets 13, and the second positioning components 15 on the two second brackets 13 can extend relative to each other to respectively support the inner arc side and the outer arc side of the single-piece net 100. The second positioning components 15 on the two second brackets 13 correspond one to one, and the two corresponding second positioning components 15 on the two second brackets 13 respectively support the inner arc side and the outer arc side of the same single-piece net 100. The welding area 3 is used to weld the stirrups 200 on the steel cage formwork 1 and the single-piece net 100 to form a finished steel cage. The finished product taking area 4 is used to receive the steel cage formwork 1 on which the finished steel cage is placed.

[0085] When producing a steel cage, first place a single-piece net 100 on the steel cage formwork 1, support the single-piece net 100 by the second positioning component 15, clamp and fix the single-piece net 100 by the first positioning component 14, then hoist the steel cage formwork 1 with the single-piece net 100 to the stirrup stacking area 2, stack the stirrups 200 on the single-piece net 100 in the stirrup stacking area 2, then transfer the steel cage formwork 1 with the single-piece net 100 and the stirrups 200 to the welding area 3, weld the overlapping points of the stirrups 200 and the single-piece net 100 to obtain a finished steel cage, then transfer the steel cage formwork 1 with the finished steel cage to the finished product material taking area 4, and finally take out the finished steel cage by the hoisting equipment, thereby completing the production of the steel cage, with high production efficiency and low manpower investment.

[0086] The steel cage formwork 1 of this embodiment can realize the stacking of the single-piece nets 100 from top to bottom by providing a first bracket 12 and a second bracket 13, and providing a first positioning component 14 that can be extended or retracted on the first bracket 12, and providing a second positioning component 15 that can be extended or retracted on the second bracket 13. Specifically, in the initial state, the steel cage formwork 1 is empty, and all the first positioning components 14 and the second positioning components 15 are in a retracted state; then, the second positioning components 15 of the bottom layer on the two second brackets 13 are extended, so that the first single-piece net 100 is placed from top to bottom on the second positioning components 15 of the bottom layer, and the second positioning components 15 on the two second brackets 13 of the bottom layer respectively support the steel bars on the inner arc side and the outer arc side of the first single-piece net 100, and then, the first positioning components 14 of the bottom layer on the two first brackets 12 are extended and abutted against the first single-piece net 100, and the two first positioning components 14 clamp the first single-piece net 100 from both ends to The first monolithic mesh 100 is fixed on the steel cage formwork 1; then, the second positioning components 15 of the second-to-last layer on the two second brackets 13 are extended relative to each other, and the second monolithic mesh 100 is placed from top to bottom on the second positioning components 15 of the second-to-last layer, so that the second positioning components 15 on the two second-to-last layers of the second brackets 13 support the steel bars on the inner arc side and the outer arc side of the second monolithic mesh 100, and then, the first positioning components 14 of the second-to-last layers on the two first brackets 12 are extended and abutted against the second monolithic mesh 100, and the two first positioning components 14 clamp the second monolithic mesh 100 from both ends to fix the second monolithic mesh 100 on the steel cage formwork 1. Repeat the above process, so that the second positioning components 15 on the two second brackets 13 are extended from bottom to top in sequence, and the single-piece nets 100 are stacked on the second positioning components 15 from bottom to top in sequence. After each placement of the single-piece net 100, the first positioning components 14 on the corresponding two first brackets 12 are extended to clamp and fix the single-piece net 100, thereby completing the stacking of the single-piece net 100.

[0087] The single-piece net 100 can be hoisted from top to bottom onto the steel cage formwork 1 by a hoisting machine, thereby saving manpower and improving production efficiency.

[0088] It can be understood that the distance between two adjacent layers of the second positioning components 15 and the distance between two adjacent layers of the first positioning components 14 are both the layer distances between two adjacent layers of the single-sheet mesh 100 .

[0089] By setting the second positioning component 15 to be able to extend or retract, the single-piece nets 100 can be stacked in sequence from bottom to top, and the first positioning component 14 can be extended or retracted to clamp and fix the single-piece nets 100, thereby achieving smooth stacking of the single-piece nets 100 and ensuring the stacking accuracy of the single-piece nets 100; each stirrup 200 is positioned by the stirrup positioning component 16 to ensure the stacking accuracy of the stirrup 200; thereby, the welding quality of the finally formed steel cage is high.

[0090] Optionally, the first positioning assembly 14 includes a first driving member 141 and a first positioning member 142, the fixed end of the first driving member 141 is arranged on the first bracket 12, and the output end of the first driving member 141 is connected to a positioning member to drive the first positioning member 142 to extend inward and abut against the single-piece net 100. The first driving member 141 drives the first positioning member 142 to extend inward or retract. Exemplarily, the first driving member 141 is a motor, a cylinder or an oil cylinder. Specifically, the fixed end of the first driving member 141 is located on the outside of the first bracket 12, and the fixed end of the first driving member 141 is mounted on the first bracket 12 through a first mounting frame 143. The first avoidance hole 121 is provided on the first bracket 12, and the output end of the first driving member 141 and the first positioning member 142 connected thereto extend out of the inner side of the first bracket 12 through the first avoidance hole 121. Exemplarily, the first positioning member 142 is block-shaped.

[0091] Optionally, the single-piece net 100 is sleeved outside the second bracket 13 at intervals and is located between the two first brackets 12, that is, the first bracket 12 and the second bracket 13 can play a role in guiding the stacking of the single-piece net 100, thereby improving the stacking efficiency and stacking accuracy of the single-piece net 100. Specifically, the second bracket 13 includes a first vertical rod 131, a second vertical rod 132 and a cross bar 133. The first vertical rod 131 and the second vertical rod 132 are arranged on the bottom plate 11 at intervals, the first vertical rod 131 is close to the inner arc side of the single-piece net 100, and the second vertical rod 132 is close to the outer arc side of the single-piece net 100, and the two ends of the cross bar 133 are respectively connected to the upper ends of the first vertical rod 131 and the second vertical rod 132. For the convenience of description, the two second brackets 13 are respectively set as the second bracket 13 one and the second bracket 13 two. In the second bracket 131, a plurality of second positioning components 15 are arranged at intervals along the first vertical pole 131, a second avoidance hole 134 is provided on the second vertical pole 132, the second positioning component 15 extends toward the second vertical pole 132, and extends out of the second bracket 13 from the second avoidance hole 134 on the second vertical pole 132, so as to support the steel bars on the outer arc side of the single-piece net 100. In the second bracket 132, a plurality of second positioning components 15 are arranged at intervals along the second vertical pole 132, a second avoidance hole 134 is provided on the first vertical pole 131, the second positioning component 15 extends toward the first vertical pole 131, and extends out of the first bracket 12 from the second avoidance hole 134 on the first vertical pole 131, so as to support the steel bars on the inner arc side of the single-piece net 100.

[0092] Optionally, the second positioning assembly 15 includes a second driving member 151, a rotating shaft 152 and a supporting wheel 153, wherein the fixed end of the second driving member 151 is arranged on the first vertical pole 131 or the second vertical pole 132, the output end of the second driving member 151 is connected to the rotating shaft 152, and the supporting wheel 153 is rotatably arranged on the rotating shaft 152. The second driving member 151 drives the rotating shaft 152 to extend or retract, and the rotating shaft 152 further drives the supporting wheel 153 thereon to extend or retract. Exemplarily, the second driving member 151 is a motor, a cylinder or an oil cylinder. Specifically, the fixed end of the second driving member 151 is fixed to the first vertical pole 131 or the second vertical pole 132 through a second mounting bracket 154. Optionally, in other embodiments, the supporting wheel 153 may also be fixedly connected to the rotating shaft 152, that is, the supporting wheel 153 does not rotate, as long as the supporting wheel 153 can support the single-piece net 100.

[0093] Optionally, the stirrup positioning assembly 16 includes two spacing positioning plates 161 , and a positioning groove for inserting the stirrup 200 is formed between the two positioning plates 161 . The structure is simple, the processing is convenient, and the insertion of the stirrup 200 is convenient.

[0094] Optionally, the welding area 3 is provided with an inner bracket 31, an outer bracket 32, a third positioning assembly 33 and a fourth positioning assembly 34. The inner bracket 31 is provided on the inner arc side of the monolithic net 100. The outer bracket 32 ​​is provided on the outer arc side of the monolithic net 100. A plurality of third positioning assemblies 33 are arranged at intervals on the inner bracket 31, and the plurality of third positioning assemblies 33 correspond one-to-one to the plurality of stirrups 200 on the inner arc side of the monolithic net 100. The third positioning assembly 33 can extend inwardly to position the stirrups 200 located on the inner arc side of the monolithic net 100 on the monolithic net 100. A plurality of fourth positioning assemblies 34 are arranged at intervals on the outer bracket 32, and the plurality of fourth positioning assemblies 34 correspond one-to-one to the plurality of stirrups 200 on the outer arc side of the monolithic net 100. The fourth positioning assembly 34 can extend inwardly to position the stirrups 200 located on the outer arc side of the monolithic net 100 on the monolithic net 100. Specifically, when the steel cage formwork 1 with the single-piece net 100 and the stirrups 200 is moved to the welding area 3, the third positioning assembly 33 and the fourth positioning assembly 34 are both in a retracted state to ensure that the steel cage formwork 1 is smoothly moved between the inner support 31 and the outer support 32. When the steel cage formwork 1 is moved into place, the third positioning assembly 33 and the fourth positioning assembly 34 are both extended inward to position the stirrups 200 on the inner and outer arc sides of the single-piece net 100 on the single-piece net 100.

[0095] Exemplarily, the inner bracket 31 includes a third vertical rod 311 and a first mounting plate 312. The three third vertical rods 311 are arranged at intervals, and the first mounting plate 312 is installed on the three third vertical rods 311. The first mounting plate 312 is an arc-shaped plate, which is in line with one side of the inner arc steel bar of the single-piece net 100. A plurality of third positioning components 33 are arranged at intervals on the first mounting plate 312.

[0096] Optionally, the third positioning assembly 33 includes a third driving member 331 and a third positioning member 332, the fixed end of the third driving member 331 is arranged on the inner bracket 31, and the output end of the third driving member 331 is connected to the third positioning member 332 to drive the third positioning member 332 to extend inward. Specifically, the fixed end of the third driving member 331 is mounted on the first mounting plate 312 through the third mounting frame 333. The third driving member 331 is a motor, a cylinder or an oil cylinder. Preferably, a first slot 3321 is provided on the third positioning member 332, and the third positioning member 332 is engaged with the stirrup 200 on the inner arc side of the single-piece net 100 through the first slot 3321, and the stirrup 200 is tightly attached to the inner arc side of the single-piece net 100.

[0097] Similarly, the outer bracket 32 ​​includes a fourth vertical rod 321 and a second mounting plate 322. The three fourth vertical rods 321 are arranged at intervals, and the second mounting plate 322 is mounted on the three fourth vertical rods 321. The second mounting plate 322 is an arc-shaped plate, which conforms to the outer arc steel bar side of the single-piece net 100. A plurality of fourth positioning components 34 are arranged at intervals on the second mounting plate 322.

[0098] Optionally, the fourth positioning assembly 34 includes a fourth driving member 341 and a fourth positioning member 342, the fixed end of the fourth driving member 341 is arranged on the outer bracket 32, and the output end of the fourth driving member 341 is connected to the fourth positioning member 342 to drive the fourth positioning member 342 to extend inward. Specifically, the fixed end of the fourth driving member 341 is mounted on the second mounting plate 322 through a fourth mounting bracket 343. The fourth driving member 341 is a motor, a cylinder or an oil cylinder. Preferably, a second card slot is provided on the fourth positioning member 342, and the fourth positioning member 342 is engaged with the stirrup 200 on the outer arc side of the single-piece net 100 through the second card slot, and the stirrup 200 is tightly attached to the outer arc side of the single-piece net 100.

[0099] Optionally, the welding area 3 is further provided with a welding robot 35, which is used to weld the overlapping points of the stirrups 200 and the single-piece net 100 on the steel cage formwork 1 to form a finished steel cage. A visual positioning system is provided on the welding robot 35. Exemplarily, the visual positioning system includes a 3D camera, which can shoot the welding area 3 to identify and locate the position of the overlapping point of the stirrup 200 and the single-piece net 100, and then the welding robot 35 automatically completes the welding of the overlapping point.

[0100] Optionally, the shield segment steel cage three-dimensional forming welding production line further includes a conveying assembly 5, which is used to sequentially convey the steel cage formwork 1 to the stirrup stacking area 2, the welding area 3 and the finished product taking area 4, so as to realize the automatic movement of the steel cage formwork 1. The stirrup stacking area 2, the welding area 3 and the finished product taking area 4 work independently to improve production efficiency.

[0101] Exemplarily, the conveying assembly 5 includes a support plate 51, an active conveying roller 52, a rotating driving member 53 and a driven conveying roller 54. The support plate 51 extends along the stirrup stacking area 2, the welding area 3 and the finished product taking area 4. A plurality of active conveying rollers 52 are arranged on the support plate 51 at intervals and rotatably. The fixed end of the rotating driving member 53 is arranged on the support plate 51, and the output end of the rotating driving member 53 is connected to the active conveying roller 52. The driven conveying roller 54 is rotatably arranged on the support plate 51, and a driven conveying roller 54 is arranged between any two adjacent active conveying rollers 52. The active conveying roller 52 and the driven conveying roller 54 are both used to support the bottom plate 11. The rotating driving member 53 drives the active conveying roller 52 to rotate around its own axis, and at the same time, the active conveying roller 52 drives the bottom plate 11 and the entire steel cage formwork 1 from the stirrup stacking area 2 to the welding area 3, and from the welding area 3 to the finished product taking area 4 through the friction between the active conveying roller 52 and the bottom plate 11. At the same time, during the movement of the steel cage formwork 1, the bottom plate 11 drives the driven conveying roller 54 to rotate around its own axis through its friction force on the driven conveying roller 54, and the driven conveying roller 54 plays a role in supporting the steel cage formwork 1. Exemplarily, the rotation driving member 53 is a motor. The active conveying roller 52 and the driven conveying roller 54 can be optionally installed on the support plate 51 through a support seat 55.

[0102] This embodiment also provides a shield segment steel cage three-dimensional forming welding method, using the above-mentioned shield segment steel cage three-dimensional forming welding production line, the shield segment steel cage three-dimensional forming welding method comprises:

[0103] S1. Stack multiple single-piece nets 100 on the steel cage formwork 1 from bottom to top.

[0104] Specifically, step S1 includes:

[0105] S1.1. All the first positioning components 14 and the second positioning components 15 are retracted.

[0106] Before pre-loading the single-piece net 100, all the first positioning components 14 and the second positioning components 15 are retracted to avoid the first positioning components 14 and the second positioning components 15 interfering with the single-piece net 100 when the single-piece net 100 is loaded from top to bottom.

[0107] S1.2. The second positioning components 15 at the bottom layer on the two second brackets 13 extend relative to each other, and the first single-piece net 100 is placed on the second positioning components 15 at the bottom layer from top to bottom.

[0108] The second positioning components 15 on the two second brackets 13 at the bottom layer support the steel bars on the inner arc side and the steel bars on the outer arc side of the first single-piece mesh 100 respectively.

[0109] S1.3, the first positioning components 14 at the bottom layer of the two first brackets 12 extend out and abut against the first single-piece net 100. The two first positioning components 14 clamp the first single-piece net 100 from both ends to fix the first single-piece net 100 on the steel cage formwork 1.

[0110] S1.4. The second positioning components 15 of the second last layer on the two second brackets 13 extend relative to each other, and the second single-piece net 100 is placed on the second positioning components 15 of the second last layer from top to bottom.

[0111] The second positioning components 15 on the two second-to-last layers of the second brackets 13 support the steel bars on the inner arc side and the steel bars on the outer arc side of the second single-piece net 100 .

[0112] S1.5. The first positioning assembly 14 of the second-to-last layer on the two first brackets 12 extends out and abuts against the second single-piece net 100.

[0113] The penultimate first positioning assembly 14 on the two first brackets 12 extends out and abuts against the second monolithic mesh 100 . The two first positioning assemblies 14 clamp the second monolithic mesh 100 from both ends to fix the second monolithic mesh 100 on the steel cage formwork 1 .

[0114] S1.6. Repeat steps S1.4-S1.5 to extend the second positioning components 15 on the two second brackets 13 in sequence from bottom to top, and stack the single-piece nets 100 in sequence from bottom to top. At the same time, extend the first positioning components 14 on the two first brackets 12 in sequence and abut against the corresponding single-piece nets 100, thereby completing the stacking of the single-piece nets 100.

[0115] By setting the second positioning component 15 to be able to extend or retract, the single-piece net 100 can be stacked in sequence from bottom to top, and the first positioning component 14 can be extended or retracted to clamp and fix the single-piece net 100, thereby achieving smooth stacking of the single-piece net 100 and ensuring the stacking accuracy of the single-piece net 100.

[0116] S2. Hoist the steel cage formwork 1 with the single-piece mesh 100 to the stirrup stacking area 2.

[0117] At this time, the rotating driving member 53 on the conveying assembly 5 does not start, and the active conveying roller 52 does not rotate around its own axis.

[0118] S3, stacking the stirrups 200 on the single-piece mesh 100 in the stirrup stacking area 2, and positioning each stirrup 200 by the stirrup positioning assembly 16.

[0119] The stirrups 200 are manually stacked on the single-sheet net 100. When the stirrups 200 are stacked, the stirrup positioning assembly 16 is used to locate the stacking position of the stirrups 200 to ensure the stacking accuracy of the stirrups 200.

[0120] S4, moving the steel cage formwork 1 with the single-piece mesh 100 and stirrups 200 to the welding area 3, and welding the stirrups 200 and the single-piece mesh 100 to form a finished steel cage.

[0121] Specifically, step S4 includes:

[0122] S4.1. Move the steel cage formwork 1 on which the single-piece mesh 100 and stirrups 200 are placed to between the inner support 31 and the outer support 32.

[0123] The rotating driving member 53 on the conveying assembly 5 starts, the active conveying roller 52 rotates around its own axis, and through the friction between it and the bottom plate 11, it drives the bottom plate 11 and the entire reinforcement cage formwork 1 to move from the stirrup stacking area 2 to between the bracket and the outer bracket 32. After that, the rotating driving member 53 stops working, so that the reinforcement cage formwork stays in the welding area 3.

[0124] S4.2. The third positioning assembly 33 extends inward to position the stirrup 200 located on the inner arc side of the single-piece net 100 on the single-piece net 100; the fourth positioning assembly 34 extends inward to position the stirrup 200 located on the outer arc side of the single-piece net 100 on the single-piece net 100.

[0125] S4.3. Weld the overlapping points between the stirrups 200 and the single-piece mesh 100.

[0126] The welding robot 35 in the welding area 3 welds the overlapping points of the stirrup 200 and the single-piece net 100. A visual positioning system is provided on the welding robot 35. Exemplarily, the visual positioning system includes a 3D camera, which can shoot the welding area 3 to identify and locate the position of the overlapping point of the stirrup 200 and the single-piece net 100, and then the welding robot 35 automatically completes the welding of the overlapping point, with high welding efficiency and good welding quality.

[0127] S5, moving the steel cage formwork 1 on which the finished steel cage product is placed to the finished product taking area 4.

[0128] The third positioning assembly 33 and the fourth positioning assembly 34 are retracted. The rotating drive member 53 on the conveying assembly 5 is started again, and the active conveying roller 52 rotates around its own axis, and through the friction between it and the bottom plate 11, it drives the bottom plate 11 and the entire steel cage formwork 1 from the welding area 3 to the material removal area. Except for the second positioning assembly 15 at the bottom, the remaining second positioning assemblies 15 and all the first positioning assemblies 14 are retracted, and the finished steel cage is taken out by the hoisting equipment, thereby completing the production of the steel cage, with high production efficiency and low manpower investment.

[0129] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A shield segment steel cage three-dimensional forming welding production line, characterized in that: The invention comprises a steel cage formwork (1) and a stirrup stacking area (2), a welding area (3) and a finished product taking area (4) which are arranged in sequence. The steel cage formwork (1) can move to the stirrup stacking area (2), the welding area (3) and the finished product taking area (4) in sequence. The stirrup stacking area (2), the welding area (3) and the finished product taking area (4) work independently. The steel cage formwork (1) comprises: A bottom plate (11), wherein a plurality of stirrup positioning assemblies (16) are arranged at intervals on the bottom plate (11), and the stirrup positioning assemblies (16) are used to position stirrups (200) constituting a steel cage; A first bracket (12), wherein two first brackets (12) are respectively arranged at two ends of the bottom plate (11), and a plurality of single-piece nets (100) constituting the steel cage are arranged vertically parallel and at intervals between the two first brackets (12); A second bracket (13), wherein two second brackets (13) are arranged on the bottom plate (11) at intervals and are located between the two first brackets (12); A first positioning component (14), wherein the two first brackets (12) are each provided with a plurality of the first positioning components (14) spaced apart from one another in the upper and lower parts, and the first positioning components (14) are capable of extending inwards and abutting against the single-piece net (100); A second positioning component (15), wherein a plurality of second positioning components (15) are arranged on each of the two second brackets (13) at intervals in the upper and lower directions, and the second positioning components (15) on the two second brackets (13) can extend relative to each other to respectively support the inner arc side and the outer arc side of the single-piece net (100), and the single-piece net (100) can be placed on the second positioning components (15) from top to bottom; the distance between two adjacent layers of the second positioning components (15) and the distance between two adjacent layers of the first positioning components (14) are both the layer distances between two adjacent layers of the single-piece net (100); stacking the stirrups (200) on the single-piece net (100) in the stirrup stacking area (2); The welding area (3) is used to weld the stirrups (200) and the single-piece mesh (100) on the steel cage formwork (1) to form a finished steel cage product; The welding area (3) is provided with: An inner support (31) is arranged on the inner arc side of the single-piece net (100); An outer bracket (32) is arranged on the outer arc side of the single-piece net (100); a third positioning assembly (33), wherein a plurality of the third positioning assemblies (33) are arranged at intervals on the inner bracket (31), and the third positioning assembly (33) can extend inwardly to position the stirrup (200) located on the inner arc side of the single-piece net (100) on the single-piece net (100); a fourth positioning assembly (34), wherein a plurality of the fourth positioning assemblies (34) are arranged at intervals on the outer bracket (32), and the fourth positioning assemblies (34) are capable of extending inwardly to position the stirrups (200) located on the outer arc side of the single-piece net (100) on the single-piece net (100); The finished product taking area (4) is used to receive the steel cage formwork (1) on which the finished steel cage product is placed; It also includes a conveying assembly (5) for conveying the steel cage formwork (1) to the stirrup stacking area (2), the welding area (3) and the finished product taking area (4) in sequence; the conveying assembly (5) includes: A support plate (51), the support plate (51) extending along the stirrup stacking area (2), the welding area (3) and the finished product taking area (4); Active conveying rollers (52), a plurality of active conveying rollers (52) are rotatably arranged on the support plate (51) at intervals; A rotating driving member (53), wherein a fixed end of the rotating driving member (53) is disposed on the supporting plate (51), and an output end of the rotating driving member (53) is connected to the active conveying roller (52); A driven conveying roller (54) is rotatably disposed on the support plate (51), and a driven conveying roller (54) is disposed between any two adjacent active conveying rollers (52); The active conveying roller (52) and the driven conveying roller (54) are both used to support the bottom plate (11).

2. The shield segment steel cage three-dimensional forming welding production line according to claim 1 is characterized in that: The first positioning component (14) comprises a first driving member (141) and a first positioning member (142), the fixed end of the first driving member (141) is arranged on the first bracket (12), and the output end of the first driving member (141) is connected to the first positioning member (142) to drive the first positioning member (142) to extend inwardly and abut against the single-piece net (100); and / or, The second positioning assembly (15) comprises a second driving member (151), a rotating shaft (152) and a supporting wheel (153); the fixed end of the second driving member (151) is arranged on the second bracket (13); the output end of the second driving member (151) is connected to the rotating shaft (152); and the supporting wheel (153) is rotatably arranged on the rotating shaft (152).

3. The shield segment steel cage three-dimensional forming welding production line according to claim 1 is characterized in that: The third positioning assembly (33) comprises a third driving member (331) and a third positioning member (332), wherein a fixed end of the third driving member (331) is arranged on the inner bracket (31), and an output end of the third driving member (331) is connected to the third positioning member (332) to drive the third positioning member (332) to extend inwardly; and / or, The fourth positioning assembly (34) comprises a fourth driving member (341) and a fourth positioning member (342), wherein a fixed end of the fourth driving member (341) is arranged on the outer bracket (32), and an output end of the fourth driving member (341) is connected to the fourth positioning member (342) to drive the fourth positioning member (342) to extend inwardly.

4. The shield segment steel cage three-dimensional forming welding production line according to claim 1 is characterized in that: The welding area (3) is also provided with a welding robot (35), and the welding robot (35) is used to weld the stirrups (200) and the single-piece mesh (100) on the steel cage formwork (1), and the welding robot (35) is provided with a visual positioning system.

5. The shield segment steel cage three-dimensional forming welding production line according to any one of claims 1 to 4, characterized in that: The stirrup positioning assembly (16) comprises two positioning plates (161) arranged at intervals, and a positioning groove for inserting the stirrup (200) is formed between the two positioning plates (161).

6. A shield segment steel cage three-dimensional forming welding method, characterized in that: The shield segment steel cage three-dimensional forming welding production line according to any one of claims 1 to 5 is adopted, and the shield segment steel cage three-dimensional forming welding method comprises: S1, stacking a plurality of single-piece nets (100) in sequence from bottom to top on a steel cage formwork (1); S2, hoisting the steel cage formwork (1) on which the single-piece mesh (100) is placed to the stirrup stacking area (2); S3, stacking stirrups (200) on the single-piece mesh (100) in the stirrup stacking area (2), and positioning each stirrup (200) using a stirrup positioning assembly (16); S4, moving the steel cage formwork (1) on which the single-piece mesh (100) and the stirrups (200) are placed to the welding area (3), and welding the stirrups (200) and the single-piece mesh (100) to form a finished steel cage; S5, moving the steel cage formwork (1) on which the finished steel cage product is placed to the finished product taking area (4).

7. The shield segment steel cage three-dimensional forming welding method according to claim 6 is characterized in that: Step S1 includes: S1.

1. All first positioning components (14) and second positioning components (15) are retracted; S1.2, the second positioning components (15) at the bottom layer on the two second brackets (13) are extended relative to each other, and the first single-piece net (100) is placed from top to bottom on the second positioning components (15) at the bottom layer; S1.3, the first positioning assembly (14) at the bottom layer of the two first brackets (12) extends out and abuts against the first single-piece net (100); S1.4, the second positioning components (15) of the second last layer on the two second brackets (13) are extended relative to each other, and the second single-piece net (100) is placed from top to bottom on the second positioning components (15) of the second last layer; S1.5, the first positioning assembly (14) of the second-to-last layer on the two first brackets (12) extends out and abuts against the second single-piece net (100); S1.

6. Repeat steps S1.4-S1.5, so that the second positioning components (15) on the two second brackets (13) are extended in sequence from bottom to top, and the single-piece nets (100) are stacked in sequence from bottom to top. At the same time, the first positioning components (14) on the two first brackets (12) are extended in sequence and abut against the corresponding single-piece nets (100).

8. The shield segment steel cage three-dimensional forming welding method according to claim 6 is characterized in that: Step S4 includes: S4.

1. Move the steel cage formwork (1) on which the single-piece mesh (100) and stirrups (200) are placed to between the inner support (31) and the outer support (32); S4.2, the third positioning assembly (33) extends inwardly to position the stirrup (200) located on the inner arc side of the single-piece net (100) on the single-piece net (100); the fourth positioning assembly (34) extends inwardly to position the stirrup (200) located on the outer arc side of the single-piece net (100) on the single-piece net (100); S4.

3. Weld the overlapping points between the stirrups (200) and the single mesh (100).

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