Ground rail type welding machine

Abstract

The utility model relates to a ground rail type welding machine. The ground rail type welding machine comprises a workbench, a supporting device, a plurality of locking devices, a rail and a welding robot. The supporting device is fixedly arranged on the workbench and used for supporting and assembling a truss. The multiple locking devices are distributed on the two sides of the supporting device, one end of each locking device is fixedly arranged on the workbench, the other end of each locking device is located above the supporting device, and the locking devices are used for pressing the truss and fixing the truss to the supporting device; the track is fixedly arranged on the side of the workbench, and the track robot is connected to the track in a sliding mode and used for welding the truss. According to the ground rail type welding machine, bolts do not need to be disassembled, the truss can be quickly assembled and locked, the clamping difficulty of the truss is reduced, and manpower and material resources are saved; original manual welding is changed into movable robot welding, so that the welding quality and efficiency are improved, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the field of welding, in particular to a ground rail type welding machine. Background Art

[0002] At present, the welding method of ballastless switch sleeper truss in the industry is manual welding, and its processes include: welding fixture production - lower main reinforcement material - automatic corrugation bending machine bending corrugation - locking lower main reinforcement - placing upper main reinforcement - using bolt pressure plate to press lower main reinforcement in sections - one person uses a crowbar to pry the corrugated reinforcement close to the main reinforcement, and one person welds, repeatedly prying and welding - after welding is completed, loosen the nut and remove the pressure plate - remove the truss - truss production is completed. This process is labor-intensive and inefficient, and it is urgent to design an automatic welding machine that can quickly clamp and weld trusses. Summary of the invention

[0003] Based on this, the purpose of the utility model is to provide a floor rail type welding machine, which has the advantages of fast clamping, saving manpower and high welding efficiency.

[0004] A floor rail welding machine comprises a workbench, a supporting device, a plurality of locking devices, a track and a welding robot; the supporting device is fixedly mounted on the workbench and is used to support and assemble a truss; a plurality of the locking devices are distributed on both sides of the supporting device, one end of each of the locking devices is fixedly mounted on the workbench, and the other end thereof is located above the supporting device and is used to press the truss and fix the truss on the supporting device; the track is fixedly mounted on the side of the workbench, and the track robot is slidably connected to the track and is used to weld the truss.

[0005] The floor rail welding machine described in the utility model does not need to remove and tighten bolts. The trusses can be quickly assembled and locked through the supporting device and the locking device, which reduces the difficulty of truss clamping and saves manpower and material resources. The original manual welding is changed to movable robot welding, which improves welding quality and efficiency and reduces the labor intensity of workers.

[0006] Furthermore, the locking devices distributed on both sides of the supporting device are arranged opposite to each other in pairs, so as to better clamp the truss.

[0007] Furthermore, the supporting device includes a supporting platform, two long ribs and a plurality of supporting frames; the supporting platform is fixed on the working table; the two long ribs are parallel and fixed at intervals on the upper surface of the supporting platform, and are used to abut two main reinforcements of the truss; a plurality of supporting frames are fixed on the supporting platform at intervals along the direction of the long ribs, and are located between the two long ribs, and are used to support one of the main reinforcements of the truss.

[0008] Furthermore, a plurality of the support frames are provided with grooves with a semicircular longitudinal section at the top ends thereof for clamping the main reinforcement.

[0009] Further, the locking device includes a plurality of bearing seats, two rotating shafts, a plurality of the first pressure members and a plurality of the second pressure members; a plurality of the bearing seats are fixed on the workbench, distributed on both sides of the support platform, and are spaced apart along the direction of the long edges; the two rotating shafts are rotatably connected to the two bearing seats, respectively, and are arranged in parallel; a plurality of the first pressure members are radially fixed on the rotating shaft, and the first pressure members fixed on the same rotating shaft are located on the same horizontal plane; a plurality of the second pressure members are fixed to one end of the first pressure member away from the bearing seat, are located between two adjacent first pressure members, and are arranged to be inclined downward toward the support frame.

[0010] Furthermore, the locking device also includes a plurality of the third pressing members, which are fixedly connected to one end of the first pressing member away from the bearing seat and are used to press the main rib at the top to prevent it from jumping out.

[0011] Furthermore, the locking device also includes a plurality of the pressure rods, each of which is U-shaped and radially fixed to the rotating shaft.

[0012] In order to better understand and implement the present invention, the present invention is described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the truss of this application;

[0014] Figure 2 This is a schematic diagram of the structure of the ground rail welding machine of the present application;

[0015] Figure 3 This is a schematic diagram of the structure of the support device of the present application;

[0016] Figure 4 This is a schematic diagram of the structure of the locking device of the present application.

[0017] In the figure:

[0018] 1-truss; 11-main reinforcement; 111-upper main reinforcement; 112-lower main reinforcement; 12-corrugated reinforcement;

[0019] 2- Workbench;

[0020] 3-support device; 31-support platform; 32-long ribs; 33-support frame;

[0021] 4-locking device; 41-bearing seat; 42-rotating shaft; 43-first pressing piece; 44-second pressing piece; 45-third pressing piece; 46-pressing rod;

[0022] 5-lifting cylinder; 51-connecting rod;

[0023] 6-Track; 7-Welding robot. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present invention, it should be noted that the terms "vertical direction", "upper", "lower", "horizontal" and the like indicate directions or positional relationships based on the directions 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 direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, "first", "second", "third", and "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or 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.

[0027] See also Figure 1 , the product to be processed in this application is a truss 1, which includes three main bars 11 and two corrugated bars 12. The three main bars 11 are straight bars, arranged in parallel, and distributed as triangular points on the cross section; in this embodiment, one of the main bars 11 is defined as an upper main bar 111, and the other two main bars 11 are defined as lower main bars 112. The two corrugated bars 12 are formed by corrugating two straight bars using an automatic bending machine; the two corrugated bars 12 are symmetrically inclined, and one of their bent ends is fixedly connected to the upper main bar 111, and the other bent ends are respectively fixedly connected to the two lower main bars 112. The ground rail welding machine provided by the utility model is intended to weld three main bars 11 and two corrugated bars 12 that are pre-assembled in a triangular shape and dispersed, thereby fixing them.

[0028] See also Figure 2The present application provides a floor rail welding machine, including a workbench 2, a supporting device 3, a plurality of locking devices 4, a plurality of lifting cylinders 5, a rail 6 and a welding robot 7.

[0029] The supporting device 3 is fixed on the workbench 2, and is used to support and assemble the truss 1. A plurality of locking devices 4 are distributed on both sides of the supporting device 3, one end of each locking device 4 is fixed on the workbench 2, and the other end is located above the supporting device 3, and is used to press the truss 1. When working, the truss 1 is arranged on the supporting device 3 and is located below the free end of the locking device 4. Preferably, the locking devices 4 located on both sides of the supporting device 3 are arranged opposite to each other in pairs, so as to better clamp the truss 1. A plurality of lifting cylinders 5 are fixed on the side of the workbench 2, and their movable ends are fixedly connected to the movable ends of the locking devices 4, and are used to control the locking devices 4 to press or release the truss 1. The track 6 is fixed on the side of the workbench 2; the welding robot 7 is slidably connected to the track 6, and its welding head is located above the supporting device 3 and the locking device 4, and is used to weld the truss 1 on the supporting device 3.

[0030] See also Figure 3-4 The support device 3 includes a support platform 31, two long ribs 32 and a plurality of support frames 33. The support platform 31 is fixed on the workbench 2. In this embodiment, the support platform 31 is an inverted channel steel. The two long ribs 32 are fixed on the upper surface of the support platform 31 in parallel and at intervals. A plurality of support frames 33 are fixed on the support platform 31, located between the two long ribs 32, and are arranged at intervals along the direction of the long ribs 32. The top of the support frame 33 is provided with a groove with a semicircular longitudinal section for clamping the upper main rib 111.

[0031] When working, the upper main rib 111 is placed on the top of several support frames 33 and clamped in the groove, and is arranged parallel to the long rib 32. Two lower main ribs 112 are placed on the support platform 31 and are respectively located on both sides of the support frame 33, and their circumferences are in contact with the long rib 32 on the same side. Two corrugated ribs 12 are respectively placed on both sides of the support frame 33, and are symmetrically inclined; the upper end of the corrugated rib 12 is in contact with the upper main rib 111, and the lower end of the corrugated rib 12 is placed on the support platform 31 and is in contact with the lower main rib 112 on the same side. Through the support device 3, the truss 1 is assembled into a triangular shape.

[0032] The locking device 4 includes a plurality of bearing seats 41, two rotating shafts 42, a plurality of first pressing pieces 43, a plurality of second pressing pieces 44 and a plurality of third pressing pieces 45. A plurality of bearing seats 41 are fixed on the workbench 2, distributed on both sides of the support platform 31, and arranged at intervals along the direction of the long ribs 32. Two rotating shafts 42 are rotatably connected to the bearing seats 41, and are arranged in parallel on both sides of the support platform 31. A plurality of first pressing pieces 43 are radially fixed on the rotating shaft 42, and the first pressing pieces 43 fixed on the same rotating shaft 42 are located in the same plane, and are used to press the upper ends of the corrugated ribs 12 on the same side of the support device 3. In this embodiment, the first pressing piece 43 is a long strip; in other embodiments, the first pressing piece 43 can be a long strip or other components that can achieve the same effect. A plurality of second pressing members 44 are plate-shaped, fixedly connected to one end of the first pressing member 43 away from the bearing seat 41, located between two adjacent first pressing members 43, and tilted downward toward the support frame 33, and used to press the upper end of the corrugated ribs 12 on the same side of the support device 3. Preferably, only one second pressing member 44 is fixedly connected between every three first pressing members 43. A plurality of third pressing members 45 are fixedly arranged at one end of the first pressing member 43 away from the bearing seat 41, and used to fix the upper main rib 111 to prevent it from jumping out from above. In this embodiment, the third pressing member 45 is an angle iron.

[0033] During operation, the two rotating shafts 42 can rotate around the bearing seat 41 and drive the first pressing piece 43 thereon to approach the supporting device 3; when the first pressing piece 43 is in a horizontal state, the second pressing piece 44 just presses the upper end of the corrugated rib 12 on the same side of the supporting device 3, so that the corrugated rib 12 on the supporting device 3 and the main rib 11 are fixed firmly; the third pressing piece 45 is located above the upper main rib 111 on the supporting frame 33, pressing the upper main rib 111 to prevent it from jumping out of the semicircular groove. The locking device 4 can be used to firmly fix the truss 1 on the supporting device 3, which is convenient for later welding.

[0034] The locking device 4 further includes a plurality of pressure rods 46, which are U-shaped, radially fixed to one side of the rotating shaft 42, and are located on the same horizontal plane as the first pressure piece 43. In this embodiment, the pressure rod 46 is formed by two adjacent first pressure pieces 43, whose ends close to the rotating shaft 42 continue to extend and are finally vertically bent and connected, and is used to facilitate driving the first pressure piece 43 to rotate around the rotating shaft 42, so that the second pressure piece 44 and the third pressure piece 45 can press or loosen the truss 1.

[0035] The track 6 is fixed on the side of the workbench 2 and is arranged parallel to the long rib 32, and a storage plate is slidably connected thereon. The welding robot 7 is fixed on the storage plate, and its welding head is located above the support device 3 and the locking device 4, and is used to weld the truss 1 on the support device 3. It also includes an electric box, an electric cabinet and an electric welder, all of which are fixed on the storage plate. After the locking device 4 presses the truss 1 on the support device 3, the welding robot 7 welds the connection between the main reinforcement 11 and the corrugated reinforcement 12 one by one along the track 6.

[0036] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and the utility model is also intended to include these modifications and modifications.

Claims

1. A ground rail welding machine, characterized in that: It includes a workbench, a supporting device, a plurality of locking devices, a track and a welding robot; the supporting device is fixed on the workbench, and is used to support and assemble the truss; a plurality of the locking devices are distributed on both sides of the supporting device, one end of each of the locking devices is fixed on the workbench, and the other end is located above the supporting device, and is used to press the truss and fix the truss on the supporting device; the track is fixed on the side of the workbench, and the track robot is slidably connected to the track, and is used to weld the truss.

2. The ground rail welding machine according to claim 1, characterized in that: The locking devices distributed on both sides of the supporting device are arranged opposite to each other in pairs.

3. The ground rail welding machine according to any one of claims 1-2, characterized in that: The supporting device includes a supporting platform, two long ribs and a plurality of supporting frames; the supporting platform is fixed on the working table; the two long ribs are parallel and fixed at intervals on the upper surface of the supporting platform, and are used to abut against two main reinforcements of the truss; a plurality of supporting frames are fixed on the supporting platform at intervals along the direction of the long ribs, and are located between the two long ribs, and are used to support one main reinforcement of the truss.

4. The ground rail welding machine according to claim 3, characterized in that: A plurality of the support frames are provided with grooves with a semicircular longitudinal section at the top ends thereof for clamping the main reinforcement.

5. The ground rail welding machine according to claim 4, characterized in that: The locking device includes a plurality of bearing seats, two rotating shafts, a plurality of first pressure pieces and a plurality of second pressure pieces; a plurality of the bearing seats are fixed on the workbench, distributed on both sides of the support platform, and are arranged at intervals along the direction of the long ribs; the two rotating shafts are rotatably connected to the two bearing seats respectively and are arranged in parallel; a plurality of the first pressure pieces are radially fixed on the rotating shafts, and the first pressure pieces fixed on the same rotating shaft are located on the same horizontal plane; a plurality of the second pressure pieces are fixed to one end of the first pressure piece away from the bearing seat, are located between two adjacent first pressure pieces, and are arranged to be inclined downward toward the support frame.

6. The ground rail welding machine according to claim 5, characterized in that: The locking device also includes a plurality of third pressing members, which are fixedly connected to one end of the first pressing member away from the bearing seat and are used to press the main rib at the top to prevent it from jumping out.

7. The ground rail welding machine according to claim 6, characterized in that: The locking device also includes a plurality of pressure rods, which are U-shaped and radially fixed to the rotating shaft.

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