A reinforcing cage welding device
By designing a rebar cage welding device, which uses retractable hooks and clamps for rebar positioning, automated welding of complex-shaped rebar cages has been achieved. This solves the problem that existing devices are difficult to adapt to irregular-shaped rebar cages, and improves efficiency and forming quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUNAN WUXIN MACHINERY
- Filing Date
- 2025-06-30
- Publication Date
- 2026-06-26
AI Technical Summary
Existing steel bar welding equipment is difficult to apply to irregularly shaped steel bar cages. Manual welding is inefficient, labor-intensive, and difficult to guarantee the quality of the finished product.
A rebar cage welding device was designed, comprising a rebar jig, a welding mechanism, and a moving mechanism. It uses retractable hooks and chucks for rebar positioning and achieves automated welding through welding components, including retractable welding components and positioning components, and can adapt to the processing of rebar cages with complex shapes.
It enables automated welding of complex-shaped steel cages, improving efficiency, reducing labor intensity, ensuring forming quality, and avoiding the shortcomings of manual welding.
Smart Images

Figure CN224406707U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of steel bar processing equipment technology, and in particular to a steel bar cage welding device. Background Technology
[0002] Existing rebar welding equipment is mostly used for welding rebar components with relatively regular shapes, such as rectangular rebar mesh and cylindrical rebar cages. It is difficult to apply to irregularly shaped rebar cages, such as L-shaped rebar cages for New Jersey fencing. Currently, the processing of New Jersey fencing rebar cages generally uses manual welding or binding. Manual welding is inefficient, labor-intensive, and requires a high level of skill from operators, leading to increased production costs. When manually binding rebar cages, the forming quality is difficult to guarantee. Often, due to insecure binding, the formed cage dimensions do not meet the design dimensions, and the binding wires may fall off during later use. Utility Model Content
[0003] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a steel cage welding device with a high degree of automation and high efficiency that can be used for processing steel cages with complex shapes.
[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:
[0005] A rebar cage welding device includes a rebar jig, a welding mechanism, and a moving mechanism for moving the welding mechanism to various welding positions of the rebar cage. The welding mechanism includes a retractable welding component and a positioning component for positioning the rebar. The positioning component includes a hook that can hook or release the rebar and a retractable clamping claw. The clamping claw is provided with a clamping groove, which is arranged toward the hook.
[0006] As a further improvement to the above technical solution: the welding mechanism further includes a welding seat, a first connecting rod, a second connecting rod, and a first telescopic drive member. The first connecting rod and the second connecting rod are arranged in parallel. One end of the first connecting rod and the second connecting rod are hinged to the hook claw, and the other end is hinged to the welding seat. One end of the first telescopic drive member is hinged to the hook claw, and the other end is hinged to the welding seat.
[0007] As a further improvement to the above technical solution: the welding seat is provided with a claw guide rail and a second telescopic drive component, the claw is provided on the claw guide rail, one end of the second telescopic drive component is hinged to the claw, and the other end is hinged to the welding seat, and the welding component is provided on the claw.
[0008] As a further improvement to the above technical solution: the jaw is provided with an adjusting guide rail and a third telescopic drive component. The angle between the adjusting guide rail and the telescopic direction of the jaw is α, where 0 < α < 90°. The welding component is slidably disposed on the adjusting guide rail. One end of the third telescopic drive component is hinged to the jaw, and the other end is hinged to the welding component.
[0009] As a further improvement to the above technical solution: the moving mechanism includes a longitudinal guide rail arranged along the length direction of the steel bar frame and a longitudinal component disposed on the longitudinal guide rail. The longitudinal component is provided with a lifting component, the lifting component is provided with a transverse component, and the transverse component is provided with the welding mechanism. The welding component and the claw can extend and retract laterally.
[0010] As a further improvement to the above technical solution: the longitudinal guide rail is provided with a longitudinal rack, the longitudinal component includes a longitudinal support on the longitudinal guide rail and a longitudinal drive gear on the longitudinal support, the longitudinal drive gear meshes with the longitudinal rack, and the lifting component is provided on the longitudinal support.
[0011] As a further improvement to the above technical solution: the longitudinal guide rail is located on both sides of the steel reinforcement frame, the longitudinal support is a portal frame and spans across the steel reinforcement frame, and the top of the longitudinal support is provided with an installation platform.
[0012] As a further improvement to the above technical solution: the longitudinal support is provided with lifting racks and lifting guide rails on both longitudinal sides, and the lifting assembly includes a lifting seat on the lifting guide rail and lifting drive gears on both longitudinal sides of the lifting seat, wherein the lifting drive gears mesh with the lifting racks in a one-to-one correspondence.
[0013] As a further improvement to the above technical solution: the transverse component includes a transverse seat disposed on the lifting seat, the transverse seat is provided with a transverse guide rail and a transverse drive screw, the welding mechanism is disposed on the transverse guide rail, and the welding mechanism is provided with a transverse nut that cooperates with the transverse drive screw.
[0014] As a further improvement to the above technical solution: the lifting assembly is provided with a plurality of the transverse moving components and the distance between the transverse moving components is adjustable.
[0015] Compared with the prior art, the advantages of this utility model are:
[0016] This utility model discloses a rebar cage welding device. During operation, the longitudinal and transverse reinforcing bars used to fabricate the rebar cage are placed on a rebar jig. A moving mechanism drives the welding mechanism to the welding position within the rebar cage. The hook first hooks the reinforcing bar, then the clamping jaws and welding components extend, with the clamping jaws' slots securing the reinforcing bar, thus achieving positioning and fixation. Finally, the welding component initiates welding. After welding is complete, the welding component stops and retracts, the clamping jaws retract and separate from the reinforcing bar, and finally, the hook releases the reinforcing bar. The moving mechanism then drives the welding mechanism to the next welding position within the rebar cage, and this cycle repeats. This eliminates the need for manual welding or binding, resulting in a high degree of automation and efficiency, and can be used for processing rebar cages with complex shapes.
[0017] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description
[0018] Figure 1 This is a three-dimensional structural schematic diagram of the steel cage welding device of this utility model.
[0019] Figure 2 This is a front view structural diagram of the steel cage welding device of this utility model in its working state.
[0020] Figure 3 This is a side view of the working state of the steel cage welding device of this utility model.
[0021] Figure 4 This is a three-dimensional structural diagram of the longitudinal movement component in this utility model.
[0022] Figure 5 This is a three-dimensional structural diagram of the lifting component in this utility model.
[0023] Figure 6 This is a three-dimensional structural diagram of the transverse moving component in this utility model.
[0024] Figure 7 This is a front view structural diagram of the transverse moving component in this utility model.
[0025] Figure 8 This is a three-dimensional structural diagram of the welding mechanism in this utility model.
[0026] Figure 9 This is a bottom view of the welding mechanism in this utility model.
[0027] The labels in the diagram represent:
[0028] 1. Rebar frame; 2. Welding mechanism; 20. Welding seat; 21. Welding component; 22. Hook; 221. First connecting rod; 222. Second connecting rod; 223. First telescopic drive component; 23. Claw; 231. Slot; 232. Second telescopic drive component; 233. Adjusting guide rail; 234. Claw guide rail; 235. Third telescopic drive component; 3. Rebar cage; 4. Moving mechanism; 41. Longitudinal guide rail; 411. Longitudinal rack; 42. Longitudinal assembly; 421. Longitudinal support; 422. Longitudinal drive gear; 423. Lifting rack; 424. Lifting guide rail; 425. Installation platform; 43. Lifting assembly; 431. Lifting seat; 432. Lifting drive gear; 44. Lateral assembly; 441. Lateral seat; 442. Lateral guide rail; 443. Lateral drive screw. Detailed Implementation
[0029] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0031] In this utility model, unless otherwise explicitly specified and limited, the terms "assembly," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0032] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0033] Figures 1 to 9This illustration shows an embodiment of the rebar cage welding device of the present invention. The rebar cage welding device of this embodiment includes a rebar jig 1, a welding mechanism 2, and a moving mechanism 4 for moving the welding mechanism 2 to various welding positions within the rebar cage 3. The welding mechanism 2 includes a retractable welding component 21 and a positioning assembly for positioning the rebars. The positioning assembly includes a hook 22 capable of hooking or releasing the rebars and a retractable clamp 23. The clamp 23 has a groove 231 arranged facing the hook 22. The welding component 21 can be, for example, a welding torch, capable of welding the rebars together.
[0034] In this embodiment, the steel cage welding device, during operation, places the longitudinal and transverse reinforcing bars used to make the steel cage 3 on the steel cage jig 1. The moving mechanism 4 drives the welding mechanism 2 to move to the welding position of the steel cage 3 (e.g., the intersection of the longitudinal and transverse reinforcing bars). The hook 22 first hooks the reinforcing bar, and then the clamp 23 and welding component 21 extend. The clamping groove 231 of the clamp 23 clamps the reinforcing bar, thereby achieving the positioning and fixing of the reinforcing bar (see...). Figure 6 At this point, the distance between the chuck 23 and the hook 22 is relatively close, and the rebar is clamped between the chuck 231 and the hook 22. Finally, the welding component 21 starts to complete the welding. After the welding is completed, the welding component 21 stops and retracts, the chuck 23 retracts and separates from the rebar, and finally the hook 22 releases the rebar (see...). Figure 8 At this time, the distance between the chuck 23 and the hook 22 is relatively far. The moving mechanism 4 drives the welding mechanism 2 to move to the next welding position of the steel cage 1. This cycle is repeated. No manual welding or binding is required. The automation level is high and the efficiency is high. It can be used for processing steel cages 3 with complex shapes.
[0035] See details Figure 7 In this embodiment, the welding mechanism 2 further includes a welding seat 20, a first connecting rod 221, a second connecting rod 222, and a first telescopic drive member 223. The first connecting rod 221 and the second connecting rod 222 are arranged in parallel. One end of the first connecting rod 221 and the second connecting rod 222 are hinged to the hook 22, and the other end is hinged to the welding seat 20. One end of the first telescopic drive member 223 (e.g., a cylinder, hydraulic cylinder, electric push rod, etc.) is hinged to the hook 22, and the other end is hinged to the welding seat 20. When the first telescopic drive member 223 extends or retracts, the hook 22 also moves up and down during the extension and retraction movement, or in other words, the height of the hook 22 also changes, thereby hooking or releasing the reinforcing bar. The structure has good stability and high reliability. Of course, in other embodiments, the hook 22 can also hook or release the reinforcing bar by rotating in both directions, which will not be described in detail here.
[0036] See details Figures 7 to 9In this embodiment, the welding base 20 is provided with a claw guide rail 234 and a second telescopic drive component 232 (e.g., a cylinder, hydraulic cylinder, electric push rod, etc.). The claw 23 is disposed on the claw guide rail 234 (e.g., a slider, roller, etc. are installed on the claw 23 to cooperate with the claw guide rail 234). One end of the second telescopic drive component 232 is hinged to the claw 23, and the other end is hinged to the welding base 20. The welding component 21 is disposed on the claw 23. The second telescopic drive component 232 can drive the claw 23 to extend and retract, thereby pressing the reinforcing bar or separating it from the reinforcing bar. The welding component 21 extends and retracts with the claw 23, and can reach the welding position for welding or leave the welding position. The claw guide rail 234 can provide guidance for the extension and retraction movement of the claw 23, reduce movement resistance, and prevent deviation.
[0037] Furthermore, the chuck 23 is equipped with an adjusting guide rail 233 and a third telescopic drive component 235 (e.g., a cylinder, hydraulic cylinder, electric push rod, etc.). The angle between the adjusting guide rail 233 and the telescopic direction of the chuck 23 is α, where 0 < α < 90°. The welding component 21 is slidably mounted on the adjusting guide rail 233. One end of the third telescopic drive component 235 is hinged to the chuck 23, and the other end is hinged to the welding component 21. By adjusting the installation position of the welding component 21 along the adjusting guide rail 233, the relative position of the head of the welding component 21 and the slot 231 can be adjusted, which is beneficial for accurate welding of the head of the welding component 21. The structure is simple and effective.
[0038] See details Figures 1 to 3 In this embodiment, the moving mechanism 4 includes a component along the length direction of the steel frame 1 ( Figure 2 The structure comprises a longitudinal guide rail 41 (arranged in the left-right direction) and a longitudinal moving component 42 mounted on the longitudinal guide rail 41. The longitudinal moving component 42 is equipped with a lifting component 43, which in turn is equipped with a transverse moving component 44. The transverse moving component 44 is equipped with a welding mechanism 2. The welding component 21 and the chuck 23 can extend and retract laterally (i.e., in the width direction of the rebar frame 1). During operation, the longitudinal moving component 42 can move longitudinally along the longitudinal guide rail 41, thereby driving the lifting component 43, the transverse moving component 44, and the welding mechanism 2 to move longitudinally. The lifting component 43 can then drive the transverse moving component 44 and the welding mechanism 2 to rise and fall. The transverse moving component 44 can then drive the welding mechanism 2 to move laterally (the welding component 21, the chuck 22, and the chuck 23 move laterally as a whole, unlike the chuck 23's own lateral extension and retraction). This allows the longitudinal, transverse, and vertical positions of the welding mechanism 2 to be changed, ensuring that the welding position of the welding mechanism 2 can cover the entire rebar cage 3. The structure is simple and effective. Of course, in other embodiments, the welding mechanism 2 can also be moved by a robotic arm or other means.
[0039] In this embodiment, a longitudinal guide rail 41 is provided with a longitudinal rack 411, and the longitudinal component 42 includes a longitudinal support 421 (for example, a slider, roller, etc. are mounted on the support 421 to cooperate with the longitudinal guide rail 41) and a longitudinal drive gear 422 provided on the longitudinal support 421. The longitudinal drive gear 422 meshes with the longitudinal rack 411, and the lifting component 43 is provided on the longitudinal support 421. When longitudinal movement is required, the longitudinal drive gear 422 rotates, which can drive the longitudinal support 421 to move along the longitudinal guide rail 41. The longitudinal drive gear 422 cooperates with the longitudinal rack 411, and the transmission is reliable. It is convenient to determine the longitudinal position of the longitudinal support 421. The longitudinal guide rail 41 can provide a guiding function, reduce the movement resistance of the longitudinal support 421, and prevent deviation. The structure is simple and reliable.
[0040] See details Figure 3 and Figure 4 In this embodiment, the longitudinal guide rail 41 is located on both sides of the steel reinforcement frame 1, and the longitudinal support 421 is a portal frame that spans across the steel reinforcement frame 1. The structure has good symmetry and stability, which is beneficial to improving the safety of the equipment during operation. Welding can be carried out simultaneously from both sides, improving welding efficiency. Furthermore, the force exerted on the steel reinforcement cage 3 by the welding mechanisms 2 on both sides can be partially offset, which is beneficial to maintaining the stability of the steel reinforcement frame 1 and the steel reinforcement cage 3. The top of the longitudinal support 421 is provided with an installation platform 425, on which electrical components used for controlling movement and welding can be installed to avoid interference with the steel reinforcement frame 1. The overall layout is reasonable and effective.
[0041] Furthermore, in this embodiment, the longitudinal support 421 is provided with lifting racks 423 and lifting guide rails 424 on both longitudinal sides. The lifting assembly 43 includes a lifting seat 431 (e.g., a slider, roller, etc. are installed on the lifting seat 431 to cooperate with the lifting guide rail 424) and lifting drive gears 432 on both longitudinal sides of the lifting seat 431. The lifting drive gears 432 and the lifting racks 423 mesh one-to-one, resulting in good structural symmetry and stability, which is beneficial to improving the safety of the equipment during operation. When lifting is required, the lifting drive gears 432 rotate, which drives the lifting seat 431 to move up and down along the lifting guide rail 424. The lifting drive gears 432 cooperate with the lifting racks 423, ensuring reliable transmission and facilitating the determination of the vertical position of the lifting seat 431. The lifting guide rails 424 provide guidance, reducing the movement resistance of the lifting seat 431 and preventing deviation. The structure is simple and reliable. See details. Figure 5 Preferably, the lifting drive gears 432 on both sides can be driven to rotate synchronously by a motor and a bevel gear pair.
[0042] See details Figure 6 and Figure 7In this embodiment, the lateral movement assembly 44 includes a lateral movement seat 441 mounted on the lifting seat 431. The lateral movement seat 441 is equipped with a lateral movement guide rail 442 and a lateral movement drive screw 443. The welding mechanism 2 is mounted on the lateral movement guide rail 442 (specifically, the welding seat 20 of the welding mechanism 2 is mounted on the lateral movement guide rail 442; sliders, rollers, etc., can be installed on the lateral movement seat 441 to cooperate with the lateral movement guide rail 442). The welding mechanism 2 is equipped with a lateral movement nut (not shown in the figure) that cooperates with the lateral movement drive screw 443. When lateral movement is required, the drive screw 443 rotates, which drives the welding mechanism 2 to extend and retract laterally via the lateral movement nut, moving it closer to or away from the reinforcing cage 3. The screw and nut pair ensures reliable transmission and facilitates precise adjustment of the lateral position of the welding mechanism 2. The lateral movement guide rail 442 provides guidance, reduces the movement resistance of the welding mechanism 2, and prevents deviation. The structure is simple and reliable.
[0043] In a preferred embodiment, the lifting assembly 43 is provided with multiple transverse moving assemblies 44, and the distance between the transverse moving assemblies 44 is adjustable. For example, a guide rail is provided on the lifting base 431, and the transverse moving seats 441 of the transverse moving assemblies 44 are provided on the guide rail, so that the distance between the transverse moving assemblies 44 can be adjusted. Correspondingly, the multiple welding mechanisms 2 on the multiple transverse moving assemblies 44 can perform welding simultaneously, thereby further improving welding efficiency.
[0044] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make many possible variations and modifications to the present invention, or modify it into equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention, without departing from the content of the present invention, should fall within the protection scope of the present invention.
Claims
1. A reinforcing cage welding apparatus characterised in that: The system includes a steel reinforcement frame (1), a welding mechanism (2), and a moving mechanism (4) for moving the welding mechanism (2) to each welding part of the steel reinforcement cage (3). The welding mechanism (2) includes a retractable welding component (21) and a positioning component for positioning the steel reinforcement. The positioning component includes a hook (22) for hooking or releasing the steel reinforcement and a retractable clamp (23). The clamp (23) is provided with a groove (231) which is arranged toward the hook (22).
2. The steel cage welding device according to claim 1, characterized in that: The welding mechanism (2) further includes a welding seat (20), a first connecting rod (221), a second connecting rod (222), and a first telescopic drive member (223). The first connecting rod (221) and the second connecting rod (222) are arranged in parallel. One end of the first connecting rod (221) and the second connecting rod (222) are hinged to the hook (22), and the other end is hinged to the welding seat (20). One end of the first telescopic drive member (223) is hinged to the hook (22), and the other end is hinged to the welding seat (20).
3. The steel cage welding device according to claim 2, characterized in that: The welding seat (20) is provided with a claw guide rail (234) and a second telescopic drive member (232). The claw (23) is located on the claw guide rail (234). One end of the second telescopic drive member (232) is hinged to the claw (23), and the other end is hinged to the welding seat (20). The welding component (21) is located on the claw (23).
4. The steel cage welding device according to claim 3, characterized in that: The claw (23) is provided with an adjustment guide rail (233) and a third telescopic drive member (235). The angle between the adjustment guide rail (233) and the extension direction of the claw (23) is α, 0 < α < 90°. The welding component (21) is slidably disposed on the adjustment guide rail (233). One end of the third telescopic drive member (235) is hinged to the claw (23), and the other end is hinged to the welding component (21).
5. The steel cage welding device according to any one of claims 1 to 4, characterized in that: The moving mechanism (4) includes a longitudinal guide rail (41) arranged along the length of the steel frame (1) and a longitudinal component (42) provided on the longitudinal guide rail (41). The longitudinal component (42) is provided with a lifting component (43), the lifting component (43) is provided with a transverse component (44), the transverse component (44) is provided with the welding mechanism (2), and the welding component (21) and the claw (23) can extend and retract laterally.
6. The steel cage welding device according to claim 5, characterized in that: The longitudinal guide rail (41) is provided with a longitudinal rack (411), the longitudinal component (42) includes a longitudinal support (421) provided on the longitudinal guide rail (41) and a longitudinal drive gear (422) provided on the longitudinal support (421). The longitudinal drive gear (422) meshes with the longitudinal rack (411), and the lifting component (43) is provided on the longitudinal support (421).
7. The steel cage welding device according to claim 6, characterized in that: The longitudinal guide rail (41) is located on both sides of the steel reinforcement frame (1). The longitudinal support (421) is a portal frame and spans across the steel reinforcement frame (1). The top of the longitudinal support (421) is provided with an installation platform (425).
8. The steel cage welding device according to claim 7, characterized in that: The longitudinal support (421) is provided with lifting racks (423) and lifting guide rails (424) on both longitudinal sides. The lifting assembly (43) includes a lifting seat (431) on the lifting guide rail (424) and lifting drive gears (432) on both longitudinal sides of the lifting seat (431). The lifting drive gears (432) mesh with the lifting racks (423) one by one.
9. The steel cage welding device according to claim 8, characterized in that: The transverse assembly (44) includes a transverse seat (441) disposed on the lifting seat (431), a transverse guide rail (442) and a transverse drive screw (443) disposed on the transverse seat (441), a welding mechanism (2) disposed on the transverse guide rail (442), and a transverse nut that cooperates with the transverse drive screw (443).
10. The steel cage welding device according to claim 5, characterized in that: The lifting assembly (43) is provided with a plurality of the transverse moving assemblies (44), and the distance between the transverse moving assemblies (44) is adjustable.